Merge branch 'master' into pa_reprap_g10_temperature_support

CMakeLists.txt

@@ -35,6 +35,11 @@ option(SLIC3R_ASAN              "Enable ASan on Clang and GCC" 0)
 
 set(SLIC3R_GTK "2" CACHE STRING "GTK version to use with wxWidgets on Linux")
 
+if (APPLE)
+    set(CMAKE_FIND_FRAMEWORK LAST)
+    set(CMAKE_FIND_APPBUNDLE LAST)
+endif ()
+
 # Proposal for C++ unit tests and sandboxes
 option(SLIC3R_BUILD_SANDBOXES   "Build development sandboxes" OFF)
 option(SLIC3R_BUILD_TESTS       "Build unit tests" ON)
@@ -386,7 +391,7 @@ if (NOT EXPAT_FOUND)
     set(EXPAT_LIBRARIES expat)
 endif ()
 
-find_package(PNG)
+find_package(PNG REQUIRED)
 
 find_package(OpenGL REQUIRED)
 

deps/deps-linux.cmake

@@ -3,10 +3,11 @@ set(DEP_CMAKE_OPTS "-DCMAKE_POSITION_INDEPENDENT_CODE=ON")
 
 include("deps-unix-common.cmake")
 
-find_package(PNG QUIET)
+# Some Linuxes may have very old libpng, so it's best to bundle it instead of relying on the system version.
-if (NOT PNG_FOUND)
+# find_package(PNG QUIET)
-    message(WARNING "No PNG dev package found in system, building static library. You should install the system package.")
+# if (NOT PNG_FOUND)
-endif ()
+#     message(WARNING "No PNG dev package found in system, building static library. You should install the system package.")
+# endif ()
 
 #TODO UDEV
 

doc/How to build - Mac OS.md

@@ -79,3 +79,29 @@ This is set in the property list file
     /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Info.plist
 
 To remove the limitation, simply delete the key `MinimumSDKVersion` from that file.
+
+
+# TL; DR
+
+Works on a fresh installation of MacOS Catalina 10.15.6
+
+- Install [brew](https://brew.sh/):
+- Open Terminal
+    
+- Enter:
+
+```brew install cmake git gettext
+brew update
+brew upgrade
+git clone https://github.com/prusa3d/PrusaSlicer/
+cd PrusaSlicer/deps
+mkdir build
+cd build
+cmake ..
+make
+cd ../..
+mkdir build
+cd build
+cmake .. -DCMAKE_PREFIX_PATH="$PWD/../deps/build/destdir/usr/local"
+make
+src/prusa-slicer

resources/icons/add.svg

@@ -1,17 +1,22 @@
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+<g id="ADD">
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+		<path fill="#ED6B21" d="M112,93.5H98.5V80c0-1.38-1.12-2.5-2.5-2.5s-2.5,1.12-2.5,2.5v13.5H80c-1.38,0-2.5,1.12-2.5,2.5
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+</g>
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resources/icons/arrange.svg

@@ -1,24 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
-<g id="ARRANGE">
+<g id="arrange">
-	<path fill="#FFFFFF" d="M113.85,14.27v99.36h-99.7V14.27H113.85 M115.85,8.27H12.15c-2.2,0-4,1.8-4,4v103.36c0,2.2,1.8,4,4,4h103.7
-		c2.2,0,4-1.8,4-4V12.27C119.85,10.07,118.05,8.27,115.85,8.27L115.85,8.27z"/>
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-			L48.04,99.24L48.04,99.24z"/>
+			C122.5,121.38,121.38,122.5,120,122.5z M10.5,117.5h107v-107h-107V117.5z"/>
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-			/>
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 </g>
 </svg>

resources/icons/cancel.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 23.0.3, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 16 16" enable-background="new 0 0 16 16" xml:space="preserve">
+<g id="resin">
+	<rect x="4" y="7" fill="#ED6B21" width="8" height="8"/>
+	<path fill="none" stroke="#808080" stroke-linecap="round" stroke-miterlimit="10" d="M4.5,15h6.99c0.28,0,0.5-0.23,0.5-0.5V6
+		c0-1-2-1-2-2s0-1,0-1h1V1.5C11,1.23,10.77,1,10.5,1H5.5C5.23,1,5,1.23,5,1.5V3h1v1c0,1-2,1-2,2v8.5C4,14.77,4.23,15,4.5,15z"/>
+</g>
+</svg>

resources/icons/copy.svg

@@ -1,37 +1,29 @@
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resources/icons/cross_focus_large.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
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+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="cross_megafocus.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 16 16"
+   viewBox="0 0 16 16"
+   y="0px"
+   x="0px"
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+   version="1.0"><metadata
+   id="metadata16"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
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+   inkscape:window-maximized="1"
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+   inkscape:window-x="-9"
+   inkscape:cy="8"
+   inkscape:cx="8"
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+   inkscape:window-height="1721"
+   inkscape:window-width="3200"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
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+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
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+   pagecolor="#ffffff" />
+<g
+   style="opacity:1;fill-opacity:1"
+   transform="matrix(1.1,0,0,1.1,-0.8,-0.8)"
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+	<g
+   style="fill-opacity:1"
+   id="g4">
+		
+			<line
+   style="fill-opacity:1"
+   id="line2"
+   y2="14"
+   x2="2"
+   y1="2"
+   x1="14"
+   stroke-miterlimit="10"
+   stroke-linecap="round"
+   stroke-width="3"
+   stroke="#ed6b21"
+   fill="none" />
+	</g>
+	<g
+   style="fill-opacity:1"
+   id="g8">
+		
+			<line
+   style="fill-opacity:1"
+   id="line6"
+   y2="14"
+   x2="14"
+   y1="2"
+   x1="2"
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+   stroke-linecap="round"
+   stroke-width="3"
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+	</g>
+</g>
+</svg>

resources/icons/delete_all.svg

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 	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
-<g id="DELETE_ALL_1_">
+<g id="delete_x5F_all">
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resources/icons/instance_add.svg

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-<g id="ADD_INSTANCE">
+<g id="instance_x5F_add">
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 </svg>

resources/icons/ironing.svg

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 24.2.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 16 16" enable-background="new 0 0 16 16" xml:space="preserve">
+<g id="ironing">
+	<g>
+		<path fill="#ED6B21" d="M14,9.42H2c-0.39,0-0.71-0.32-0.71-0.71C1.29,7.08,2.07,4,5,4h8c0.33,0,0.61,0.22,0.69,0.54l1,4
+			c0.05,0.21,0,0.44-0.13,0.61C14.42,9.32,14.22,9.42,14,9.42z M2.77,8h10.32l-0.65-2.58H5C3.39,5.42,2.91,7.03,2.77,8z"/>
+	</g>
+	<g>
+		<path fill="#ED6B21" d="M13,5.42c-0.39,0-0.71-0.32-0.71-0.71v-1c0-1.18-0.99-1.29-1.3-1.29H6c-0.39,0-0.71-0.32-0.71-0.71
+			S5.61,1,6,1h5c1.05,0,2.61,0.68,2.7,2.52c0,0.03,0,0.06,0,0.08v1.1C13.71,5.1,13.39,5.42,13,5.42z"/>
+	</g>
+	<g>
+		<path fill="#808080" d="M14.65,15H1.35C1.16,15,1,14.84,1,14.65s0.16-0.35,0.35-0.35h13.29c0.2,0,0.35,0.16,0.35,0.35
+			S14.84,15,14.65,15z"/>
+	</g>
+	<g>
+		<path fill="#808080" d="M14.65,13H1.35C1.16,13,1,12.84,1,12.65s0.16-0.35,0.35-0.35h13.29c0.2,0,0.35,0.16,0.35,0.35
+			S14.84,13,14.65,13z"/>
+	</g>
+	<g>
+		<path fill="#808080" d="M14.65,11H1.35C1.16,11,1,10.84,1,10.65s0.16-0.35,0.35-0.35h13.29c0.2,0,0.35,0.16,0.35,0.35
+			S14.84,11,14.65,11z"/>
+	</g>
+</g>
+</svg>

resources/icons/notification_close.svg

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 24.2.3, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.0" id="close_window" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px"
+	 y="0px" viewBox="0 0 100 100" enable-background="new 0 0 100 100" xml:space="preserve">
+<g>
+	<path fill="#ED6B21" d="M80,92.83H20c-7.08,0-12.83-5.76-12.83-12.84V20c0-7.08,5.76-12.83,12.83-12.83h60
+		c7.08,0,12.84,5.76,12.84,12.83v60C92.83,87.08,87.08,92.83,80,92.83z M20,12.83c-3.95,0-7.17,3.21-7.17,7.17v60
+		c0,3.95,3.21,7.17,7.17,7.17h60c3.95,0,7.17-3.21,7.17-7.17V20c0-3.95-3.21-7.17-7.17-7.17H20z"/>
+</g>
+<g>
+	<path fill="#ED6B21" d="M70,75.67c-1.45,0-2.9-0.55-4.01-1.66l-40-40c-2.21-2.21-2.21-5.8,0-8.02s5.8-2.21,8.02,0l40,40
+		c2.21,2.21,2.21,5.8,0,8.02C72.9,75.12,71.45,75.67,70,75.67z"/>
+</g>
+<g>
+	<path fill="#ED6B21" d="M30,75.67c-1.45,0-2.9-0.55-4.01-1.66c-2.21-2.21-2.21-5.8,0-8.02l40-40c2.21-2.21,5.8-2.21,8.02,0
+		c2.21,2.21,2.21,5.8,0,8.02l-40,40C32.9,75.12,31.45,75.67,30,75.67z"/>
+</g>
+</svg>

resources/icons/notification_close_hover.svg

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="notification_close_hover.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 100 100"
+   viewBox="0 0 100 100"
+   y="0px"
+   x="0px"
+   id="close_window"
+   version="1.0"><metadata
+   id="metadata19"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+   id="defs17" /><sodipodi:namedview
+   inkscape:current-layer="close_window"
+   inkscape:window-maximized="1"
+   inkscape:window-y="-8"
+   inkscape:window-x="-8"
+   inkscape:cy="50"
+   inkscape:cx="50"
+   inkscape:zoom="10.08"
+   showgrid="false"
+   id="namedview15"
+   inkscape:window-height="1377"
+   inkscape:window-width="2560"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="matrix(1.15,0,0,1.15,-7.50075,-7.5)"
+   id="g4">
+	<path
+   id="path2"
+   d="M 80,92.83 H 20 C 12.92,92.83 7.17,87.07 7.17,79.99 V 20 C 7.17,12.92 12.93,7.17 20,7.17 h 60 c 7.08,0 12.84,5.76 12.84,12.83 V 80 C 92.83,87.08 87.08,92.83 80,92.83 Z m -60,-80 c -3.95,0 -7.17,3.21 -7.17,7.17 v 60 c 0,3.95 3.21,7.17 7.17,7.17 h 60 c 3.95,0 7.17,-3.21 7.17,-7.17 V 20 c 0,-3.95 -3.21,-7.17 -7.17,-7.17 z"
+   fill="#ED6B21" />
+</g>
+<g
+   transform="matrix(1.15,0,0,1.15,-7.50075,-7.5)"
+   id="g8">
+	<path
+   id="path6"
+   d="m 70,75.67 c -1.45,0 -2.9,-0.55 -4.01,-1.66 l -40,-40 c -2.21,-2.21 -2.21,-5.8 0,-8.02 2.21,-2.22 5.8,-2.21 8.02,0 l 40,40 c 2.21,2.21 2.21,5.8 0,8.02 -1.11,1.11 -2.56,1.66 -4.01,1.66 z"
+   fill="#ED6B21" />
+</g>
+<g
+   transform="matrix(1.15,0,0,1.15,-7.50075,-7.5)"
+   id="g12">
+	<path
+   id="path10"
+   d="m 30,75.67 c -1.45,0 -2.9,-0.55 -4.01,-1.66 -2.21,-2.21 -2.21,-5.8 0,-8.02 l 40,-40 c 2.21,-2.21 5.8,-2.21 8.02,0 2.21,2.21 2.21,5.8 0,8.02 l -40,40 C 32.9,75.12 31.45,75.67 30,75.67 Z"
+   fill="#ED6B21" />
+</g>
+</svg>

resources/icons/notification_error.svg

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.0"
+   id="error"
+   x="0px"
+   y="0px"
+   viewBox="0 0 200 200"
+   enable-background="new 0 0 100 100"
+   xml:space="preserve"
+   sodipodi:docname="notification_error.svg"
+   width="200"
+   height="200"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"><metadata
+   id="metadata19"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs17" /><sodipodi:namedview
+   inkscape:document-rotation="0"
+   pagecolor="#ffffff"
+   bordercolor="#666666"
+   borderopacity="1"
+   objecttolerance="10"
+   gridtolerance="10"
+   guidetolerance="10"
+   inkscape:pageopacity="0"
+   inkscape:pageshadow="2"
+   inkscape:window-width="2560"
+   inkscape:window-height="1377"
+   id="namedview15"
+   showgrid="false"
+   inkscape:zoom="5.04"
+   inkscape:cx="117.17146"
+   inkscape:cy="98.609664"
+   inkscape:window-x="-8"
+   inkscape:window-y="-8"
+   inkscape:window-maximized="1"
+   inkscape:current-layer="error" />
+<g
+   id="g4"
+   transform="matrix(2.52,0,0,2.52,-26,-26)">
+	<path
+   fill="#ed6b21"
+   d="m 50,54.25 c -2.35,0 -4.25,-1.9 -4.25,-4.25 V 35 c 0,-2.35 1.9,-4.25 4.25,-4.25 2.35,0 4.25,1.9 4.25,4.25 v 15 c 0,2.35 -1.9,4.25 -4.25,4.25 z"
+   id="path2" />
+</g>
+<g
+   id="g8"
+   transform="matrix(2.52,0,0,2.52,-26,-26)">
+	<circle
+   fill="#ed6b21"
+   cx="50"
+   cy="65"
+   r="5"
+   id="circle6" />
+</g>
+<g
+   id="g12"
+   transform="matrix(2.52,0,0,2.52,-26,-26)">
+	<path
+   fill="#ed6b21"
+   d="M 50,89.25 C 28.36,89.25 10.75,71.64 10.75,50 10.75,28.36 28.36,10.75 50,10.75 71.64,10.75 89.25,28.36 89.25,50 89.25,71.64 71.64,89.25 50,89.25 Z m 0,-70 C 33.05,19.25 19.25,33.04 19.25,50 19.25,66.95 33.04,80.75 50,80.75 66.95,80.75 80.75,66.96 80.75,50 80.75,33.05 66.95,19.25 50,19.25 Z"
+   id="path10" />
+</g>
+</svg>

resources/icons/notification_minimalize.svg

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 24.2.3, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.0" id="minimalize_window" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px"
+	 y="0px" viewBox="0 0 100 100" enable-background="new 0 0 100 100" xml:space="preserve">
+<g>
+	<path fill="#ED6B21" d="M80,92.83H20c-7.08,0-12.83-5.76-12.83-12.84V20c0-7.08,5.76-12.83,12.83-12.83h60
+		c7.08,0,12.84,5.76,12.84,12.83v60C92.83,87.08,87.08,92.83,80,92.83z M20,12.83c-3.95,0-7.17,3.21-7.17,7.17v60
+		c0,3.95,3.21,7.17,7.17,7.17h60c3.95,0,7.17-3.21,7.17-7.17V20c0-3.95-3.21-7.17-7.17-7.17H20z"/>
+</g>
+<g>
+	<path fill="#ED6B21" d="M70,75.67H30c-3.13,0-5.67-2.54-5.67-5.67v-5c0-3.13,2.54-5.67,5.67-5.67h40c3.13,0,5.67,2.54,5.67,5.67v5
+		C75.67,73.13,73.13,75.67,70,75.67z"/>
+</g>
+</svg>

resources/icons/notification_minimalize_hover.svg

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="notification_minimalize.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 100 100"
+   viewBox="0 0 100 100"
+   y="0px"
+   x="0px"
+   id="minimalize_window"
+   version="1.0"><metadata
+   id="metadata15"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /></cc:Work></rdf:RDF></metadata><defs
+   id="defs13" /><sodipodi:namedview
+   inkscape:current-layer="minimalize_window"
+   inkscape:window-maximized="1"
+   inkscape:window-y="-8"
+   inkscape:window-x="-8"
+   inkscape:cy="50"
+   inkscape:cx="50"
+   inkscape:zoom="10.08"
+   showgrid="false"
+   id="namedview11"
+   inkscape:window-height="1377"
+   inkscape:window-width="2560"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="matrix(1.15,0,0,1.15,-7.50075,-7.5)"
+   id="g4">
+	<path
+   id="path2"
+   d="M 80,92.83 H 20 C 12.92,92.83 7.17,87.07 7.17,79.99 V 20 C 7.17,12.92 12.93,7.17 20,7.17 h 60 c 7.08,0 12.84,5.76 12.84,12.83 V 80 C 92.83,87.08 87.08,92.83 80,92.83 Z m -60,-80 c -3.95,0 -7.17,3.21 -7.17,7.17 v 60 c 0,3.95 3.21,7.17 7.17,7.17 h 60 c 3.95,0 7.17,-3.21 7.17,-7.17 V 20 c 0,-3.95 -3.21,-7.17 -7.17,-7.17 z"
+   fill="#ed6b21" />
+</g>
+<g
+   transform="matrix(1.15,0,0,1.15,-7.50075,-7.5)"
+   id="g8">
+	<path
+   id="path6"
+   d="M 70,75.67 H 30 c -3.13,0 -5.67,-2.54 -5.67,-5.67 v -5 c 0,-3.13 2.54,-5.67 5.67,-5.67 h 40 c 3.13,0 5.67,2.54 5.67,5.67 v 5 c 0,3.13 -2.54,5.67 -5.67,5.67 z"
+   fill="#ed6b21" />
+</g>
+</svg>

resources/icons/notification_warning.svg

@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   height="200"
+   width="200"
+   sodipodi:docname="notification_warning.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 100 100"
+   viewBox="0 0 200 200"
+   y="0px"
+   x="0px"
+   id="warning"
+   version="1.0"><metadata
+   id="metadata19"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
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+   inkscape:window-maximized="1"
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+   inkscape:window-height="1377"
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+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
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+   gridtolerance="10"
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+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="matrix(2.2,0,0,2.2,-9.9977389,-10)"
+   id="g4">
+	<path
+   id="path2"
+   d="M 90,89.25 H 10 C 8.48,89.25 7.08,88.44 6.32,87.13 5.56,85.82 5.55,84.2 6.31,82.89 l 40,-70 c 0.76,-1.33 2.17,-2.14 3.69,-2.14 1.53,0 2.93,0.82 3.69,2.14 l 40,70 c 0.75,1.32 0.75,2.93 -0.01,4.24 -0.76,1.32 -2.16,2.12 -3.68,2.12 z M 17.33,80.75 H 82.68 L 50,23.57 Z"
+   fill="#ed6b21" />
+</g>
+<g
+   transform="matrix(2.2,0,0,2.2,-9.9977389,-10)"
+   id="g8">
+	<path
+   id="path6"
+   d="m 50,59.25 c -2.35,0 -4.25,-1.9 -4.25,-4.25 V 40 c 0,-2.35 1.9,-4.25 4.25,-4.25 2.35,0 4.25,1.9 4.25,4.25 v 15 c 0,2.35 -1.9,4.25 -4.25,4.25 z"
+   fill="#ed6b21" />
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+<g
+   transform="matrix(2.2,0,0,2.2,-9.9977389,-10)"
+   id="g12">
+	<circle
+   id="circle10"
+   r="5"
+   cy="70"
+   cx="50"
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+</svg>

resources/icons/paste.svg

@@ -1,27 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.3, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
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resources/icons/prusa_slicer_logo.svg

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resources/icons/seam.svg

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+	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
+<g id="paint_x5F_seams_2_">
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resources/icons/search_.svg

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resources/icons/search_blink.svg

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+</svg>

resources/icons/split_objects.svg

@@ -1,19 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
-<g id="OBJECTS">
+<g id="split_x5F_objects">
 	<g>
-		<path fill="#FFFFFF" d="M34.63,91.95h-17.3c-4.96,0-9-4.04-9-9V17.28c0-4.96,4.04-9,9-9H83c4.96,0,9,4.04,9,9v17.3
+		<path fill="#FFFFFF" d="M32,90.5H8c-1.38,0-2.5-1.12-2.5-2.5V8c0-1.38,1.12-2.5,2.5-2.5h80c1.38,0,2.5,1.12,2.5,2.5v24
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-			c1.66,0,3,1.34,3,3S36.28,91.95,34.63,91.95z"/>
 	</g>
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+		<path fill="#ED6B21" d="M120,122.5H40c-1.38,0-2.5-1.12-2.5-2.5V40c0-1.38,1.12-2.5,2.5-2.5h80c1.38,0,2.5,1.12,2.5,2.5v80
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+	</g>
-		<path fill="#ED6B21" d="M80.93,59.8c-7.94,0-9.45,3.58-9.45,9.14v24.78c0,5.8,1.51,9.13,9.45,9.13s9.93-3.33,9.93-9.13V68.94
+	<g>
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+		<path fill="#ED6B21" d="M86,106.5H74c-6.89,0-12.5-5.61-12.5-12.5V66c0-6.89,5.61-12.5,12.5-12.5h12c6.89,0,12.5,5.61,12.5,12.5
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+			V66c0-4.14-3.36-7.5-7.5-7.5H74z"/>
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 </g>
 </svg>

resources/icons/split_parts.svg

@@ -1,18 +1,20 @@
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-<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
-<g id="PARTS">
+<g id="split_x5F_parts_1_">
 	<g>
-		<path fill="#FFFFFF" d="M34.63,91.95h-17.3c-4.96,0-9-4.04-9-9V17.28c0-4.96,4.04-9,9-9H83c4.96,0,9,4.04,9,9v17.3
+		<path fill="#FFFFFF" d="M32,90.5H8c-1.38,0-2.5-1.12-2.5-2.5V8c0-1.38,1.12-2.5,2.5-2.5h80c1.38,0,2.5,1.12,2.5,2.5v24
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+			c0,1.38-1.12,2.5-2.5,2.5s-2.5-1.12-2.5-2.5V10.5h-75v75H32c1.38,0,2.5,1.12,2.5,2.5S33.38,90.5,32,90.5z"/>
-			c1.66,0,3,1.34,3,3S36.28,91.95,34.63,91.95z"/>
 	</g>
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-		<path fill="#ED6B21" d="M114.91,42.32H47.57c-2.85,0-5.18,2.33-5.18,5.18v67.34c0,2.85,2.33,5.18,5.18,5.18h67.34
+		<path fill="#ED6B21" d="M120,122.5H40c-1.38,0-2.5-1.12-2.5-2.5V40c0-1.38,1.12-2.5,2.5-2.5h80c1.38,0,2.5,1.12,2.5,2.5v80
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+			C122.5,121.38,121.38,122.5,120,122.5z M42.5,117.5h75v-75h-75V117.5z"/>
-			v19.05H62.25V50.09h15.66c15.02,0,22.04,5.41,22.04,18.57C99.95,68.66,99.95,74.39,99.95,74.39z"/>
+	</g>
-		<path fill="#ED6B21" d="M78.07,60.26h-4.52v22.2h4.36c8.08,0,10.74-2.74,10.74-8.64v-4.6C88.65,63.33,86.71,60.26,78.07,60.26z"/>
+	<g>
+		<path fill="#ED6B21" d="M64,106.5c-1.38,0-2.5-1.12-2.5-2.5V61c0-4.14,3.36-7.5,7.5-7.5h17c6.89,0,12.5,5.61,12.5,12.5v4
+			c0,6.89-5.61,12.5-12.5,12.5H66.5V104C66.5,105.38,65.38,106.5,64,106.5z M66.5,77.5H86c4.14,0,7.5-3.36,7.5-7.5v-4
+			c0-4.14-3.36-7.5-7.5-7.5H69c-1.38,0-2.5,1.12-2.5,2.5V77.5z"/>
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 </svg>

resources/icons/thumb_left.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="thumb_left.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 16 16"
+   viewBox="0 0 16 16"
+   y="0px"
+   x="0px"
+   id="Layer_1"
+   version="1.0"><metadata
+   id="metadata32"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs30" /><sodipodi:namedview
+   inkscape:current-layer="Layer_1"
+   inkscape:window-maximized="0"
+   inkscape:window-y="0"
+   inkscape:window-x="1268"
+   inkscape:cy="8"
+   inkscape:cx="8"
+   inkscape:zoom="63"
+   showgrid="false"
+   id="namedview28"
+   inkscape:window-height="1368"
+   inkscape:window-width="1283"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="rotate(-90,8.0158731,7.984127)"
+   id="hex_x5F_plus">
+	<g
+   id="g24">
+		<polygon
+   id="polygon22"
+   style="stroke:#ffffff;stroke-width:1"
+   points="15,7 15,5 8,0 1,5 1,7 1,8 15,8 "
+   fill="#ed6b21" />
+	</g>
+</g>
+</svg>

resources/icons/thumb_right.svg

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="thumb_right.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 16 16"
+   viewBox="0 0 16 16"
+   y="0px"
+   x="0px"
+   id="Layer_1"
+   version="1.0"><metadata
+   id="metadata32"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs30" /><sodipodi:namedview
+   inkscape:current-layer="Layer_1"
+   inkscape:window-maximized="0"
+   inkscape:window-y="0"
+   inkscape:window-x="1268"
+   inkscape:cy="8"
+   inkscape:cx="8"
+   inkscape:zoom="63"
+   showgrid="false"
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+   inkscape:window-height="1368"
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+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
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+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="matrix(0,-1,-1,0,16.012532,16)"
+   id="hex_x5F_plus">
+	<g
+   id="g24">
+		<polygon
+   id="polygon22"
+   style="stroke:#ffffff;stroke-width:1"
+   points="15,8 15,7 15,5 8,0 1,5 1,7 1,8 "
+   fill="#ed6b21" />
+	</g>
+</g>
+</svg>

resources/icons/tick_mark.svg

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg version="1.1" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
+ <g transform="translate(0 -292.77)">
+  <path d="m2.2728 301.7 3.2932 4.8789 8.3542-11.435" fill="none" stroke="#00af00" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.9994"/>
+ </g>
+</svg>

resources/icons/timer_dot.svg

@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
+   sodipodi:docname="timer_dot.svg"
+   xml:space="preserve"
+   enable-background="new 0 0 16 16"
+   viewBox="0 0 16 16"
+   y="0px"
+   x="0px"
+   id="Layer_1"
+   version="1.0"><metadata
+   id="metadata11"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><defs
+   id="defs9"><linearGradient
+     id="linearGradient830"
+     inkscape:collect="always"><stop
+       id="stop826"
+       offset="0"
+       style="stop-color:#000000;stop-opacity:1;" /><stop
+       id="stop828"
+       offset="1"
+       style="stop-color:#000000;stop-opacity:0;" /></linearGradient><radialGradient
+     gradientUnits="userSpaceOnUse"
+     r="3.5"
+     fy="8"
+     fx="8"
+     cy="8"
+     cx="8"
+     id="radialGradient832"
+     xlink:href="#linearGradient830"
+     inkscape:collect="always" /></defs><sodipodi:namedview
+   inkscape:document-rotation="0"
+   inkscape:current-layer="Layer_1"
+   inkscape:window-maximized="1"
+   inkscape:window-y="-11"
+   inkscape:window-x="-11"
+   inkscape:cy="6.66147"
+   inkscape:cx="7.0304602"
+   inkscape:zoom="83.4386"
+   showgrid="false"
+   id="namedview7"
+   inkscape:window-height="2066"
+   inkscape:window-width="3840"
+   inkscape:pageshadow="2"
+   inkscape:pageopacity="0"
+   guidetolerance="10"
+   gridtolerance="10"
+   objecttolerance="10"
+   borderopacity="1"
+   bordercolor="#666666"
+   pagecolor="#ffffff" />
+<g
+   transform="matrix(0.7,0,0,0.7,2.4,2.4)"
+   style="fill:#bf6637;fill-opacity:1;stroke:none;stroke-opacity:1"
+   id="g4">
+	<circle
+   style="fill:#bf6637;fill-opacity:1;stroke:none;stroke-opacity:1"
+   id="circle2"
+   r="3"
+   cy="8"
+   cx="8" />
+</g>
+</svg>

resources/icons/timer_dot_empty.svg

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 23.0.3, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.0"
+   id="Layer_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 16 16"
+   enable-background="new 0 0 16 16"
+   xml:space="preserve"
+   sodipodi:docname="timer_dot_empty.svg"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"><metadata
+   id="metadata11"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+   id="defs9"><linearGradient
+     inkscape:collect="always"
+     id="linearGradient830"><stop
+       style="stop-color:#000000;stop-opacity:1;"
+       offset="0"
+       id="stop826" /><stop
+       style="stop-color:#000000;stop-opacity:0;"
+       offset="1"
+       id="stop828" /></linearGradient><radialGradient
+     inkscape:collect="always"
+     xlink:href="#linearGradient830"
+     id="radialGradient832"
+     cx="8"
+     cy="8"
+     fx="8"
+     fy="8"
+     r="3.5"
+     gradientUnits="userSpaceOnUse" /></defs><sodipodi:namedview
+   pagecolor="#ffffff"
+   bordercolor="#666666"
+   borderopacity="1"
+   objecttolerance="10"
+   gridtolerance="10"
+   guidetolerance="10"
+   inkscape:pageopacity="0"
+   inkscape:pageshadow="2"
+   inkscape:window-width="3840"
+   inkscape:window-height="2066"
+   id="namedview7"
+   showgrid="false"
+   inkscape:zoom="83.4386"
+   inkscape:cx="7.0304602"
+   inkscape:cy="6.66147"
+   inkscape:window-x="-11"
+   inkscape:window-y="-11"
+   inkscape:window-maximized="1"
+   inkscape:current-layer="Layer_1" />
+<g
+   id="g4"
+   style="fill:#000000;fill-opacity:1;stroke:none;stroke-opacity:1"
+   transform="matrix(0.7,0,0,0.7,2.4,2.4)">
+	<circle
+   cx="8"
+   cy="8"
+   r="3"
+   id="circle2"
+   style="fill:#000000;fill-opacity:1;stroke:none;stroke-opacity:1" />
+</g>
+</svg>

resources/icons/undo_toolbar.svg

@@ -1,13 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Adobe Illustrator 23.0.6, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.0" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 16 16" enable-background="new 0 0 16 16" xml:space="preserve">
+	 viewBox="0 0 128 128" enable-background="new 0 0 128 128" xml:space="preserve">
-<path id="undo_1_" fill="#ED6B21" d="M14.05,7.01H3.82l3.32-4.51c0.31-0.42,0.22-1.01-0.2-1.32c-0.42-0.31-1.01-0.22-1.32,0.2
+<g id="redo">
-	L1.18,7.4c0,0.01-0.01,0.01-0.01,0.02C1.17,7.43,1.16,7.44,1.15,7.46C1.13,7.48,1.12,7.5,1.11,7.53C1.1,7.54,1.09,7.56,1.08,7.58
+	<g>
-	C1.08,7.59,1.07,7.61,1.06,7.62C1.06,7.65,1.05,7.67,1.04,7.69C1.04,7.71,1.03,7.73,1.02,7.75c0,0.01,0,0.03-0.01,0.04
+		<path fill="#ED6B21" d="M36.57,72.21c0.73,0,1.46-0.32,1.95-0.94c0.86-1.08,0.69-2.65-0.39-3.51L12,46.86l26.13-20.9
-	c0,0.02-0.01,0.05-0.01,0.07C1.01,7.89,1,7.92,1,7.94c0,0.01,0,0.01,0,0.02c0,0.01,0,0.01,0,0.02c0,0.02,0,0.05,0.01,0.07
+			c1.08-0.86,1.25-2.44,0.39-3.51c-0.86-1.08-2.43-1.25-3.51-0.39L6.44,44.9C5.85,45.38,5.5,46.1,5.5,46.86s0.35,1.48,0.94,1.95
-	c0,0.02,0,0.05,0.01,0.07c0,0.01,0,0.03,0.01,0.04c0,0.02,0.01,0.04,0.02,0.06C1.05,8.26,1.06,8.28,1.07,8.3
+			l28.57,22.86C35.47,72.04,36.02,72.21,36.57,72.21z"/>
-	c0.01,0.01,0.01,0.03,0.02,0.04C1.09,8.36,1.1,8.38,1.11,8.4c0.01,0.02,0.02,0.04,0.04,0.07c0.01,0.01,0.02,0.03,0.03,0.04
+	</g>
-	c0,0.01,0.01,0.01,0.01,0.02l4.54,6.05c0.19,0.25,0.47,0.38,0.76,0.38c0.2,0,0.4-0.06,0.57-0.19c0.42-0.31,0.5-0.91,0.19-1.32
+	<g>
-	L3.84,8.91h10.22c0.52,0,0.95-0.42,0.95-0.95C15,7.44,14.58,7.01,14.05,7.01z"/>
+		<path fill="#ED6B21" d="M48,106.5h43.43c17.13,0,31.07-13.94,31.07-31.07s-13.94-31.07-31.07-31.07H8c-1.38,0-2.5,1.12-2.5,2.5
+			s1.12,2.5,2.5,2.5h83.43c14.38,0,26.07,11.7,26.07,26.07s-11.7,26.07-26.07,26.07H48c-1.38,0-2.5,1.12-2.5,2.5
+			S46.62,106.5,48,106.5z"/>
+	</g>
+</g>
 </svg>

resources/shaders/gouraud_light.fs

@@ -0,0 +1,11 @@
+#version 110
+
+uniform vec4 uniform_color;
+
+// x = tainted, y = specular;
+varying vec2 intensity;
+
+void main()
+{
+    gl_FragColor = vec4(vec3(intensity.y, intensity.y, intensity.y) + uniform_color.rgb * intensity.x, uniform_color.a);
+}

resources/shaders/gouraud_light.vs

@@ -0,0 +1,38 @@
+#version 110
+
+#define INTENSITY_CORRECTION 0.6
+
+// normalized values for (-0.6/1.31, 0.6/1.31, 1./1.31)
+const vec3 LIGHT_TOP_DIR = vec3(-0.4574957, 0.4574957, 0.7624929);
+#define LIGHT_TOP_DIFFUSE    (0.8 * INTENSITY_CORRECTION)
+#define LIGHT_TOP_SPECULAR   (0.125 * INTENSITY_CORRECTION)
+#define LIGHT_TOP_SHININESS  20.0
+
+// normalized values for (1./1.43, 0.2/1.43, 1./1.43)
+const vec3 LIGHT_FRONT_DIR = vec3(0.6985074, 0.1397015, 0.6985074);
+#define LIGHT_FRONT_DIFFUSE  (0.3 * INTENSITY_CORRECTION)
+
+#define INTENSITY_AMBIENT    0.3
+
+// x = tainted, y = specular;
+varying vec2 intensity;
+
+void main()
+{
+    // First transform the normal into camera space and normalize the result.
+    vec3 normal = normalize(gl_NormalMatrix * gl_Normal);
+    
+    // Compute the cos of the angle between the normal and lights direction. The light is directional so the direction is constant for every vertex.
+    // Since these two are normalized the cosine is the dot product. We also need to clamp the result to the [0,1] range.
+    float NdotL = max(dot(normal, LIGHT_TOP_DIR), 0.0);
+
+    intensity.x = INTENSITY_AMBIENT + NdotL * LIGHT_TOP_DIFFUSE;
+    vec3 position = (gl_ModelViewMatrix * gl_Vertex).xyz;
+    intensity.y = LIGHT_TOP_SPECULAR * pow(max(dot(-normalize(position), reflect(-LIGHT_TOP_DIR, normal)), 0.0), LIGHT_TOP_SHININESS);
+
+    // Perform the same lighting calculation for the 2nd light source (no specular applied).
+    NdotL = max(dot(normal, LIGHT_FRONT_DIR), 0.0);
+    intensity.x += NdotL * LIGHT_FRONT_DIFFUSE;
+
+    gl_Position = ftransform();
+}

resources/shaders/options_110.fs

@@ -0,0 +1,8 @@
+#version 110
+
+uniform vec4 uniform_color;
+
+void main()
+{
+    gl_FragColor = uniform_color;
+}

resources/shaders/options_110.vs

@@ -0,0 +1,11 @@
+#version 110
+
+uniform float zoom;
+uniform float point_size;
+uniform float near_plane_height;
+
+void main()
+{
+    gl_Position = ftransform();
+    gl_PointSize = (gl_Position.w == 1.0) ? zoom * near_plane_height * point_size : near_plane_height * point_size / gl_Position.w;
+}

resources/shaders/options_120.fs

@@ -0,0 +1,22 @@
+// version 120 is needed for gl_PointCoord
+#version 120
+
+uniform vec4 uniform_color;
+uniform float percent_outline_radius;
+uniform float percent_center_radius;
+
+vec4 calc_color(float radius, vec4 color)
+{
+    return ((radius < percent_center_radius) || (radius > 1.0 - percent_outline_radius)) ?
+            vec4(0.5 * color.rgb, color.a) : color;
+}
+
+void main()
+{
+    vec2 pos = (gl_PointCoord - 0.5) * 2.0;
+    float radius = length(pos);
+    if (radius > 1.0)
+        discard;
+
+    gl_FragColor = calc_color(radius, uniform_color);
+}

resources/shaders/options_120.vs

@@ -0,0 +1,11 @@
+#version 120
+
+uniform float zoom;
+uniform float point_size;
+uniform float near_plane_height;
+
+void main()
+{
+    gl_Position = ftransform();
+    gl_PointSize = (gl_Position.w == 1.0) ? zoom * near_plane_height * point_size : near_plane_height * point_size / gl_Position.w;
+}

resources/shaders/toolpaths_lines.fs

@@ -0,0 +1,28 @@
+#version 110
+
+// normalized values for (-0.6/1.31, 0.6/1.31, 1./1.31)
+const vec3 LIGHT_TOP_DIR = vec3(-0.4574957, 0.4574957, 0.7624929);
+const vec3 LIGHT_FRONT_DIR = vec3(0.0, 0.0, 1.0);
+
+// x = ambient, y = top diffuse, z = front diffuse, w = global
+uniform vec4 light_intensity;
+uniform vec4 uniform_color;
+
+varying vec3 eye_normal;
+
+void main()
+{
+    vec3 normal = normalize(eye_normal);
+
+    // Compute the cos of the angle between the normal and lights direction. The light is directional so the direction is constant for every vertex.
+    // Since these two are normalized the cosine is the dot product. Take the abs value to light the lines no matter in which direction the normal points.
+    float NdotL = abs(dot(normal, LIGHT_TOP_DIR));
+
+    float intensity = light_intensity.x + NdotL * light_intensity.y;
+
+    // Perform the same lighting calculation for the 2nd light source.
+    NdotL = abs(dot(normal, LIGHT_FRONT_DIR));
+    intensity += NdotL * light_intensity.z;    
+
+    gl_FragColor = vec4(uniform_color.rgb * light_intensity.w * intensity, uniform_color.a);
+}

resources/shaders/toolpaths_lines.vs

@@ -0,0 +1,19 @@
+#version 110
+
+varying vec3 eye_normal;
+
+vec3 world_normal()
+{
+    // the world normal is always parallel to the world XY plane
+    // the x component is stored into gl_Vertex.w
+    float x = gl_Vertex.w;
+    float y = sqrt(1.0 - x * x);
+    return vec3(x, y, 0.0);
+}
+
+void main()
+{
+    vec4 world_position = vec4(gl_Vertex.xyz, 1.0);
+    gl_Position = gl_ModelViewProjectionMatrix * world_position;
+    eye_normal = gl_NormalMatrix * world_normal();    
+}

sandboxes/opencsg/CMakeLists.txt

@@ -6,6 +6,7 @@ add_executable(opencsg_example WIN32
     main.cpp 
     Engine.hpp Engine.cpp 
     ShaderCSGDisplay.hpp ShaderCSGDisplay.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/slic3r/GUI/Jobs/Job.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/../../src/slic3r/GUI/ProgressStatusBar.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/../../src/slic3r/GUI/I18N.hpp
     ${CMAKE_CURRENT_SOURCE_DIR}/../../src/slic3r/GUI/I18N.cpp)

sandboxes/opencsg/main.cpp

@@ -26,7 +26,7 @@
 #include "libslic3r/Format/3mf.hpp"
 #include "libslic3r/SLAPrint.hpp"
 
-#include "slic3r/GUI/Job.hpp"
+#include "slic3r/GUI/Jobs/Job.hpp"
 #include "slic3r/GUI/ProgressStatusBar.hpp"
 
 using namespace Slic3r::GL;

src/CMakeLists.txt

@@ -92,6 +92,7 @@ endif()
 # Create a slic3r executable
 # Process mainfests for various platforms.
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/platform/msw/PrusaSlicer.rc.in ${CMAKE_CURRENT_BINARY_DIR}/PrusaSlicer.rc @ONLY)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/platform/msw/PrusaSlicer-gcodeviewer.rc.in ${CMAKE_CURRENT_BINARY_DIR}/PrusaSlicer-gcodeviewer.rc @ONLY)
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/platform/msw/PrusaSlicer.manifest.in ${CMAKE_CURRENT_BINARY_DIR}/PrusaSlicer.manifest @ONLY)
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/platform/osx/Info.plist.in ${CMAKE_CURRENT_BINARY_DIR}/Info.plist @ONLY)
 if (WIN32)
@@ -105,8 +106,8 @@ if (MINGW)
     set_target_properties(PrusaSlicer PROPERTIES PREFIX "")
 endif (MINGW)
 
-if (NOT WIN32)
+if (NOT WIN32 AND NOT APPLE)
-    # Binary name on unix like systems (OSX, Linux)
+    # Binary name on unix like systems (Linux, Unix)
     set_target_properties(PrusaSlicer PROPERTIES OUTPUT_NAME "prusa-slicer")
 endif ()
 
@@ -167,6 +168,16 @@ if (WIN32)
     add_dependencies(PrusaSlicer_app_console PrusaSlicer)
     set_target_properties(PrusaSlicer_app_console PROPERTIES OUTPUT_NAME "prusa-slicer-console")
     target_link_libraries(PrusaSlicer_app_console PRIVATE boost_headeronly)
+
+    add_executable(PrusaSlicer_app_gcodeviewer WIN32 PrusaSlicer_app_msvc.cpp ${CMAKE_CURRENT_BINARY_DIR}/PrusaSlicer-gcodeviewer.rc)
+    # Generate debug symbols even in release mode.
+    if (MSVC)
+        target_link_options(PrusaSlicer_app_gcodeviewer PUBLIC "$<$<CONFIG:RELEASE>:/DEBUG>")
+    endif ()
+    target_compile_definitions(PrusaSlicer_app_gcodeviewer PRIVATE -DSLIC3R_WRAPPER_NOCONSOLE -DSLIC3R_WRAPPER_GCODEVIEWER)
+    add_dependencies(PrusaSlicer_app_gcodeviewer PrusaSlicer)
+    set_target_properties(PrusaSlicer_app_gcodeviewer PROPERTIES OUTPUT_NAME "prusa-gcodeviewer")
+    target_link_libraries(PrusaSlicer_app_gcodeviewer PRIVATE boost_headeronly)
 endif ()
 
 # Link the resources dir to where Slic3r GUI expects it
@@ -198,20 +209,34 @@ if (WIN32)
     add_custom_target(PrusaSlicerDllsCopy ALL DEPENDS PrusaSlicer)
     prusaslicer_copy_dlls(PrusaSlicerDllsCopy)
     
-elseif (XCODE)
-    # Because of Debug/Release/etc. configurations (similar to MSVC) the slic3r binary is located in an extra level
-    add_custom_command(TARGET PrusaSlicer POST_BUILD
-        COMMAND ln -sfn "${SLIC3R_RESOURCES_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/resources"
-        COMMENT "Symlinking the resources directory into the build tree"
-        VERBATIM
-    )
 else ()
+    if (APPLE)
+        # On OSX, the name of the binary matches the name of the Application.
         add_custom_command(TARGET PrusaSlicer POST_BUILD
-        COMMAND ln -sfn "${SLIC3R_RESOURCES_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/../resources"
+            COMMAND ln -sf PrusaSlicer prusa-slicer
+            COMMAND ln -sf PrusaSlicer prusa-gcodeviewer
+            COMMAND ln -sf PrusaSlicer PrusaGCodeViewer
+            WORKING_DIRECTORY "$<TARGET_FILE_DIR:PrusaSlicer>"
+            COMMENT "Symlinking the G-code viewer to PrusaSlicer, symlinking to prusa-slicer and prusa-gcodeviewer"
+            VERBATIM)
+    else ()
+        add_custom_command(TARGET PrusaSlicer POST_BUILD
+            COMMAND ln -sf prusa-slicer prusa-gcodeviewer
+            WORKING_DIRECTORY "$<TARGET_FILE_DIR:PrusaSlicer>"
+            COMMENT "Symlinking the G-code viewer to PrusaSlicer"
+            VERBATIM)
+    endif ()
+    if (XCODE)
+        # Because of Debug/Release/etc. configurations (similar to MSVC) the slic3r binary is located in an extra level
+        set(BIN_RESOURCES_DIR "${CMAKE_CURRENT_BINARY_DIR}/resources")
+    else ()
+        set(BIN_RESOURCES_DIR "${CMAKE_CURRENT_BINARY_DIR}/../resources")
+    endif ()
+    add_custom_command(TARGET PrusaSlicer POST_BUILD
+        COMMAND ln -sfn "${SLIC3R_RESOURCES_DIR}" "${BIN_RESOURCES_DIR}"
         COMMENT "Symlinking the resources directory into the build tree"
-        VERBATIM
+        VERBATIM)
-    )
+endif ()
-endif()
 
 # Slic3r binary install target
 if (WIN32)

src/PrusaSlicer.cpp

@@ -22,6 +22,7 @@
 #include <cstring>
 #include <iostream>
 #include <math.h>
+#include <boost/algorithm/string/predicate.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/nowide/args.hpp>
 #include <boost/nowide/cenv.hpp>
@@ -44,6 +45,7 @@
 #include "libslic3r/Format/OBJ.hpp"
 #include "libslic3r/Format/SL1.hpp"
 #include "libslic3r/Utils.hpp"
+#include "libslic3r/AppConfig.hpp" 
 
 #include "PrusaSlicer.hpp"
 
@@ -52,7 +54,6 @@
     #include "slic3r/GUI/GUI_App.hpp"
     #include "slic3r/GUI/3DScene.hpp"
     #include "slic3r/GUI/InstanceCheck.hpp" 
-    #include "slic3r/GUI/AppConfig.hpp" 
     #include "slic3r/GUI/MainFrame.hpp"
     #include "slic3r/GUI/Plater.hpp"
 #endif /* SLIC3R_GUI */
@@ -101,6 +102,13 @@ int CLI::run(int argc, char **argv)
         std::find(m_transforms.begin(), m_transforms.end(), "cut") == m_transforms.end() &&
         std::find(m_transforms.begin(), m_transforms.end(), "cut_x") == m_transforms.end() &&
         std::find(m_transforms.begin(), m_transforms.end(), "cut_y") == m_transforms.end();
+    bool 							start_as_gcodeviewer =
+#ifdef _WIN32
+            false;
+#else
+            // On Unix systems, the prusa-slicer binary may be symlinked to give the application a different meaning.
+            boost::algorithm::iends_with(boost::filesystem::path(argv[0]).filename().string(), "gcodeviewer");
+#endif // _WIN32
 
     const std::vector<std::string> &load_configs		= m_config.option<ConfigOptionStrings>("load", true)->values;
 
@@ -132,9 +140,24 @@ int CLI::run(int argc, char **argv)
         m_print_config.apply(config);
     }
 
+#if ENABLE_GCODE_VIEWER
+    // are we starting as gcodeviewer ?
+    for (auto it = m_actions.begin(); it != m_actions.end(); ++it) {
+        if (*it == "gcodeviewer") {
+            start_gui = true;
+            start_as_gcodeviewer = true;
+            m_actions.erase(it);
+            break;
+        }
+    }
+#endif // ENABLE_GCODE_VIEWER
+
     // Read input file(s) if any.
-    for (const std::string &file : m_input_files) {
+#if ENABLE_GCODE_VIEWER
-        if (! boost::filesystem::exists(file)) {
+    if (!start_as_gcodeviewer) {
+#endif // ENABLE_GCODE_VIEWER
+        for (const std::string& file : m_input_files) {
+            if (!boost::filesystem::exists(file)) {
                 boost::nowide::cerr << "No such file: " << file << std::endl;
                 exit(1);
             }
@@ -146,14 +169,16 @@ int CLI::run(int argc, char **argv)
                 PrinterTechnology other_printer_technology = Slic3r::printer_technology(config);
                 if (printer_technology == ptUnknown) {
                     printer_technology = other_printer_technology;
-            } else if (printer_technology != other_printer_technology && other_printer_technology != ptUnknown) {
+                }
+                else if (printer_technology != other_printer_technology && other_printer_technology != ptUnknown) {
                     boost::nowide::cerr << "Mixing configurations for FFF and SLA technologies" << std::endl;
                     return 1;
                 }
                 // config is applied to m_print_config before the current m_config values.
                 config += std::move(m_print_config);
                 m_print_config = std::move(config);
-        } catch (std::exception &e) {
+            }
+            catch (std::exception& e) {
                 boost::nowide::cerr << file << ": " << e.what() << std::endl;
                 return 1;
             }
@@ -163,6 +188,9 @@ int CLI::run(int argc, char **argv)
             }
             m_models.push_back(model);
         }
+#if ENABLE_GCODE_VIEWER
+    }
+#endif // ENABLE_GCODE_VIEWER
 
     // Apply command line options to a more specific DynamicPrintConfig which provides normalize()
     // (command line options override --load files)
@@ -469,7 +497,11 @@ int CLI::run(int argc, char **argv)
                         print->process();
                         if (printer_technology == ptFFF) {
                             // The outfile is processed by a PlaceholderParser.
+#if ENABLE_GCODE_VIEWER
+                            outfile = fff_print.export_gcode(outfile, nullptr, nullptr);
+#else
                             outfile = fff_print.export_gcode(outfile, nullptr);
+#endif // ENABLE_GCODE_VIEWER
                             outfile_final = fff_print.print_statistics().finalize_output_path(outfile);
                         } else {
                             outfile = sla_print.output_filepath(outfile);
@@ -517,6 +549,11 @@ int CLI::run(int argc, char **argv)
                     << " (" << print.total_extruded_volume()/1000 << "cm3)" << std::endl;
 */
             }
+#if !ENABLE_GCODE_VIEWER
+        } else if (opt_key == "gcodeviewer") {
+            start_gui = true;
+        	start_as_gcodeviewer = true;
+#endif // !ENABLE_GCODE_VIEWER
         } else {
             boost::nowide::cerr << "error: option not supported yet: " << opt_key << std::endl;
             return 1;
@@ -526,7 +563,11 @@ int CLI::run(int argc, char **argv)
     if (start_gui) {
 #ifdef SLIC3R_GUI
 // #ifdef USE_WX
+#if ENABLE_GCODE_VIEWER
+        GUI::GUI_App* gui = new GUI::GUI_App(start_as_gcodeviewer ? GUI::GUI_App::EAppMode::GCodeViewer : GUI::GUI_App::EAppMode::Editor);
+#else
         GUI::GUI_App *gui = new GUI::GUI_App();
+#endif // ENABLE_GCODE_VIEWER
 
 		bool gui_single_instance_setting = gui->app_config->get("single_instance") == "1";
 		if (Slic3r::instance_check(argc, argv, gui_single_instance_setting)) {
@@ -536,10 +577,21 @@ int CLI::run(int argc, char **argv)
 		
 //		gui->autosave = m_config.opt_string("autosave");
         GUI::GUI_App::SetInstance(gui);
+#if ENABLE_GCODE_VIEWER
+        gui->CallAfter([gui, this, &load_configs, start_as_gcodeviewer] {
+#else
         gui->CallAfter([gui, this, &load_configs] {
+#endif // ENABLE_GCODE_VIEWER
             if (!gui->initialized()) {
                 return;
             }
+
+#if ENABLE_GCODE_VIEWER
+            if (start_as_gcodeviewer) {
+                if (!m_input_files.empty())
+                    gui->plater()->load_gcode(wxString::FromUTF8(m_input_files[0].c_str()));
+            } else {
+#endif // ENABLE_GCODE_VIEWER_AS
 #if 0
                 // Load the cummulative config over the currently active profiles.
                 //FIXME if multiple configs are loaded, only the last one will have an effect.
@@ -548,16 +600,19 @@ int CLI::run(int argc, char **argv)
                 if (!m_print_config.empty())
                     gui->mainframe->load_config(m_print_config);
 #endif
-            if (! load_configs.empty())
+                if (!load_configs.empty())
                     // Load the last config to give it a name at the UI. The name of the preset may be later
                     // changed by loading an AMF or 3MF.
                     //FIXME this is not strictly correct, as one may pass a print/filament/printer profile here instead of a full config.
                     gui->mainframe->load_config_file(load_configs.back());
                 // If loading a 3MF file, the config is loaded from the last one.
-            if (! m_input_files.empty())
+                if (!m_input_files.empty())
                     gui->plater()->load_files(m_input_files, true, true);
-            if (! m_extra_config.empty())
+                if (!m_extra_config.empty())
                     gui->mainframe->load_config(m_extra_config);
+#if ENABLE_GCODE_VIEWER
+            }
+#endif // ENABLE_GCODE_VIEWER
         });
         int result = wxEntry(argc, argv);
         return result;

src/PrusaSlicer_app_msvc.cpp

@@ -221,6 +221,11 @@ int wmain(int argc, wchar_t **argv)
     std::vector<wchar_t*> argv_extended;
     argv_extended.emplace_back(argv[0]);
 
+#ifdef SLIC3R_WRAPPER_GCODEVIEWER
+    wchar_t gcodeviewer_param[] = L"--gcodeviewer";
+    argv_extended.emplace_back(gcodeviewer_param);
+#endif /* SLIC3R_WRAPPER_GCODEVIEWER */
+
 #ifdef SLIC3R_GUI
     // Here one may push some additional parameters based on the wrapper type.
     bool force_mesa = false;

src/clipper/clipper.cpp

@@ -48,9 +48,19 @@
 #include <ostream>
 #include <functional>
 #include <assert.h>
-#include <Shiny/Shiny.h>
 #include <libslic3r/Int128.hpp>
 
+// Profiling support using the Shiny intrusive profiler
+//#define CLIPPERLIB_PROFILE
+#if defined(SLIC3R_PROFILE) && defined(CLIPPERLIB_PROFILE)
+	#include <Shiny/Shiny.h>
+	#define CLIPPERLIB_PROFILE_FUNC() PROFILE_FUNC()
+	#define CLIPPERLIB_PROFILE_BLOCK(name) PROFILE_BLOCK(name)
+#else
+	#define CLIPPERLIB_PROFILE_FUNC()
+	#define CLIPPERLIB_PROFILE_BLOCK(name)
+#endif
+
 #ifdef use_xyz
 namespace ClipperLib_Z {
 #else /* use_xyz */
@@ -263,7 +273,7 @@ int PointInPolygon (const IntPoint &pt, OutPt *op)
 // This is potentially very expensive! O(n^2)!
 bool Poly2ContainsPoly1(OutPt *OutPt1, OutPt *OutPt2)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   OutPt* op = OutPt1;
   do
   {
@@ -714,7 +724,7 @@ TEdge* ClipperBase::ProcessBound(TEdge* E, bool NextIsForward)
 
 bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   // Remove duplicate end point from a closed input path.
   // Remove duplicate points from the end of the input path.
   int highI = (int)pg.size() -1;
@@ -738,7 +748,7 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed)
 
 bool ClipperBase::AddPaths(const Paths &ppg, PolyType PolyTyp, bool Closed)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   std::vector<int> num_edges(ppg.size(), 0);
   int num_edges_total = 0;
   for (size_t i = 0; i < ppg.size(); ++ i) {
@@ -780,7 +790,7 @@ bool ClipperBase::AddPaths(const Paths &ppg, PolyType PolyTyp, bool Closed)
 
 bool ClipperBase::AddPathInternal(const Path &pg, int highI, PolyType PolyTyp, bool Closed, TEdge* edges)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
 #ifdef use_lines
   if (!Closed && PolyTyp == ptClip)
     throw clipperException("AddPath: Open paths must be subject.");
@@ -954,7 +964,7 @@ bool ClipperBase::AddPathInternal(const Path &pg, int highI, PolyType PolyTyp, b
 
 void ClipperBase::Clear()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   m_MinimaList.clear();
   m_edges.clear();
   m_UseFullRange = false;
@@ -966,7 +976,7 @@ void ClipperBase::Clear()
 // Sort the LML entries, initialize the left / right bound edges of each Local Minima.
 void ClipperBase::Reset()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   if (m_MinimaList.empty()) return; //ie nothing to process
   std::sort(m_MinimaList.begin(), m_MinimaList.end(), [](const LocalMinimum& lm1, const LocalMinimum& lm2){ return lm1.Y < lm2.Y; });
 
@@ -995,7 +1005,7 @@ void ClipperBase::Reset()
 // Returns (0,0,0,0) for an empty rectangle.
 IntRect ClipperBase::GetBounds()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   IntRect result;
   auto lm = m_MinimaList.begin();
   if (lm == m_MinimaList.end())
@@ -1056,7 +1066,7 @@ Clipper::Clipper(int initOptions) :
 
 void Clipper::Reset()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   ClipperBase::Reset();
   m_Scanbeam = std::priority_queue<cInt>();
   m_Maxima.clear();
@@ -1071,7 +1081,7 @@ void Clipper::Reset()
 bool Clipper::Execute(ClipType clipType, Paths &solution,
     PolyFillType subjFillType, PolyFillType clipFillType)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   if (m_HasOpenPaths)
     throw clipperException("Error: PolyTree struct is needed for open path clipping.");
   solution.resize(0);
@@ -1089,7 +1099,7 @@ bool Clipper::Execute(ClipType clipType, Paths &solution,
 bool Clipper::Execute(ClipType clipType, PolyTree& polytree,
     PolyFillType subjFillType, PolyFillType clipFillType)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   m_SubjFillType = subjFillType;
   m_ClipFillType = clipFillType;
   m_ClipType = clipType;
@@ -1103,10 +1113,10 @@ bool Clipper::Execute(ClipType clipType, PolyTree& polytree,
 
 bool Clipper::ExecuteInternal()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   bool succeeded = true;
   try {
-   PROFILE_BLOCK(Clipper_ExecuteInternal_Process);
+   CLIPPERLIB_PROFILE_BLOCK(Clipper_ExecuteInternal_Process);
     Reset();
     if (m_MinimaList.empty()) return true;
     cInt botY = m_Scanbeam.top();
@@ -1131,13 +1141,13 @@ bool Clipper::ExecuteInternal()
 
   if (succeeded)
   {
-    PROFILE_BLOCK(Clipper_ExecuteInternal_Fix);
+    CLIPPERLIB_PROFILE_BLOCK(Clipper_ExecuteInternal_Fix);
 
     //fix orientations ...
     //FIXME Vojtech: Does it not invalidate the loop hierarchy maintained as OutRec::FirstLeft pointers?
     //FIXME Vojtech: The area is calculated with floats, it may not be numerically stable!
     {
-      PROFILE_BLOCK(Clipper_ExecuteInternal_Fix_orientations);
+      CLIPPERLIB_PROFILE_BLOCK(Clipper_ExecuteInternal_Fix_orientations);
       for (OutRec *outRec : m_PolyOuts)
         if (outRec->Pts && !outRec->IsOpen && (outRec->IsHole ^ m_ReverseOutput) == (Area(*outRec) > 0))
           ReversePolyPtLinks(outRec->Pts);
@@ -1147,7 +1157,7 @@ bool Clipper::ExecuteInternal()
 
     //unfortunately FixupOutPolygon() must be done after JoinCommonEdges()
     {
-      PROFILE_BLOCK(Clipper_ExecuteInternal_Fix_fixup);
+      CLIPPERLIB_PROFILE_BLOCK(Clipper_ExecuteInternal_Fix_fixup);
       for (OutRec *outRec : m_PolyOuts)
         if (outRec->Pts) {
           if (outRec->IsOpen)
@@ -1401,7 +1411,7 @@ bool Clipper::IsContributing(const TEdge& edge) const
 // Called from Clipper::InsertLocalMinimaIntoAEL() and Clipper::IntersectEdges().
 OutPt* Clipper::AddLocalMinPoly(TEdge *e1, TEdge *e2, const IntPoint &Pt)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   OutPt* result;
   TEdge *e, *prevE;
   if (IsHorizontal(*e2) || ( e1->Dx > e2->Dx ))
@@ -1493,7 +1503,7 @@ void Clipper::CopyAELToSEL()
 // Called from Clipper::ExecuteInternal()
 void Clipper::InsertLocalMinimaIntoAEL(const cInt botY)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   while (!m_MinimaList.empty() && m_MinimaList.back().Y == botY)
   {
     TEdge* lb = m_MinimaList.back().LeftBound;
@@ -2043,7 +2053,7 @@ OutPt* Clipper::GetLastOutPt(TEdge *e)
 
 void Clipper::ProcessHorizontals()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   TEdge* horzEdge = m_SortedEdges;
   while(horzEdge)
   {
@@ -2414,7 +2424,7 @@ void Clipper::UpdateEdgeIntoAEL(TEdge *&e)
 
 bool Clipper::ProcessIntersections(const cInt topY)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   if( !m_ActiveEdges ) return true;
   try {
     BuildIntersectList(topY);
@@ -2569,7 +2579,7 @@ void Clipper::DoMaxima(TEdge *e)
 
 void Clipper::ProcessEdgesAtTopOfScanbeam(const cInt topY)
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   TEdge* e = m_ActiveEdges;
   while( e )
   {
@@ -3177,7 +3187,7 @@ bool Clipper::JoinPoints(Join *j, OutRec* outRec1, OutRec* outRec2)
 // This is potentially very expensive! O(n^3)!
 void Clipper::FixupFirstLefts1(OutRec* OldOutRec, OutRec* NewOutRec) const
 { 
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   //tests if NewOutRec contains the polygon before reassigning FirstLeft
   for (OutRec *outRec : m_PolyOuts)
   {
@@ -3201,7 +3211,7 @@ void Clipper::FixupFirstLefts2(OutRec* OldOutRec, OutRec* NewOutRec) const
 
 void Clipper::JoinCommonEdges()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   for (Join &join : m_Joins)
   {
     OutRec *outRec1 = GetOutRec(join.OutPt1->Idx);
@@ -3771,7 +3781,7 @@ void ClipperOffset::DoRound(int j, int k)
 // http://www.angusj.com/delphi/clipper/documentation/Docs/Units/ClipperLib/Classes/Clipper/Properties/StrictlySimple.htm
 void Clipper::DoSimplePolygons()
 {
-  PROFILE_FUNC();
+  CLIPPERLIB_PROFILE_FUNC();
   size_t i = 0;
   while (i < m_PolyOuts.size()) 
   {

src/imgui/imconfig.h

@@ -113,7 +113,14 @@ namespace ImGui
     const char PrinterSlaIconMarker    = 0x6; 
     const char FilamentIconMarker      = 0x7; 
     const char MaterialIconMarker      = 0x8;
-
+	const char CloseIconMarker         = 0xB;
+	const char CloseIconHoverMarker    = 0xC;
+//	const char TimerDotMarker          = 0xE;
+//	const char TimerDotEmptyMarker     = 0xF;
+    const char MinimalizeMarker        = 0xE;
+    const char MinimalizeHoverMarker   = 0xF;
+	const char WarningMarker           = 0x10;
+	const char ErrorMarker             = 0x11;
 //    void MyFunction(const char* name, const MyMatrix44& v);
 
 }

src/libnest2d/LICENSE.txt

@@ -1,661 +1,165 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
+    GNU LESSER GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
+                       Version 3, 29 June 2007
 
  Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
-                            Preamble
+
-
+  This version of the GNU Lesser General Public License incorporates
-  The GNU Affero General Public License is a free, copyleft license for
+the terms and conditions of version 3 of the GNU General Public
-software and other kinds of works, specifically designed to ensure
+License, supplemented by the additional permissions listed below.
-cooperation with the community in the case of network server software.
+
-
+  0. Additional Definitions.
-  The licenses for most software and other practical works are designed
+
-to take away your freedom to share and change the works.  By contrast,
+  As used herein, "this License" refers to version 3 of the GNU Lesser
-our General Public Licenses are intended to guarantee your freedom to
+General Public License, and the "GNU GPL" refers to version 3 of the GNU
-share and change all versions of a program--to make sure it remains free
+General Public License.
-software for all its users.
+
-
+  "The Library" refers to a covered work governed by this License,
-  When we speak of free software, we are referring to freedom, not
+other than an Application or a Combined Work as defined below.
-price.  Our General Public Licenses are designed to make sure that you
+
-have the freedom to distribute copies of free software (and charge for
+  An "Application" is any work that makes use of an interface provided
-them if you wish), that you receive source code or can get it if you
+by the Library, but which is not otherwise based on the Library.
-want it, that you can change the software or use pieces of it in new
+Defining a subclass of a class defined by the Library is deemed a mode
-free programs, and that you know you can do these things.
+of using an interface provided by the Library.
-
+
-  Developers that use our General Public Licenses protect your rights
+  A "Combined Work" is a work produced by combining or linking an
-with two steps: (1) assert copyright on the software, and (2) offer
+Application with the Library.  The particular version of the Library
-you this License which gives you legal permission to copy, distribute
+with which the Combined Work was made is also called the "Linked
-and/or modify the software.
+Version".
-
+
-  A secondary benefit of defending all users' freedom is that
+  The "Minimal Corresponding Source" for a Combined Work means the
-improvements made in alternate versions of the program, if they
+Corresponding Source for the Combined Work, excluding any source code
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-encouraged by the resulting cooperation.  However, in the case of
+
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+  The "Corresponding Application Code" for a Combined Work means the
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+  1. Exception to Section 3 of the GNU GPL.
-ensure that, in such cases, the modified source code becomes available
+
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+  You may convey a covered work under sections 3 and 4 of this License
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+   whatever part of its purpose remains meaningful, or
-                       TERMS AND CONDITIONS
+
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-  0. Definitions.
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-  "This License" refers to version 3 of the GNU Affero General Public License.
+  3. Object Code Incorporating Material from Library Header Files.
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+
-is widely used among developers working in that language.
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-For more information on this, and how to apply and follow the GNU AGPL, see
-<http://www.gnu.org/licenses/>.

src/libslic3r/AABBTreeIndirect.hpp

@@ -692,6 +692,40 @@ inline typename VectorType::Scalar squared_distance_to_indexed_triangle_set(
     	detail::squared_distance_to_indexed_triangle_set_recursive(distancer, size_t(0), Scalar(0), std::numeric_limits<Scalar>::infinity(), hit_idx_out, hit_point_out);
 }
 
+// Decides if exists some triangle in defined radius on a 3D indexed triangle set using a pre-built AABBTreeIndirect::Tree.
+// Closest point to triangle test will be performed with the accuracy of VectorType::Scalar
+// even if the triangle mesh and the AABB Tree are built with floats.
+// Returns true if exists some triangle in defined radius, false otherwise.
+template<typename VertexType, typename IndexedFaceType, typename TreeType, typename VectorType>
+inline bool is_any_triangle_in_radius(
+        // Indexed triangle set - 3D vertices.
+        const std::vector<VertexType> 		&vertices,
+        // Indexed triangle set - triangular faces, references to vertices.
+        const std::vector<IndexedFaceType> 	&faces,
+        // AABBTreeIndirect::Tree over vertices & faces, bounding boxes built with the accuracy of vertices.
+        const TreeType 						&tree,
+        // Point to which the closest point on the indexed triangle set is searched for.
+        const VectorType					&point,
+        // Maximum distance in which triangle is search for
+        typename VectorType::Scalar &max_distance)
+{
+    using Scalar = typename VectorType::Scalar;
+    auto distancer = detail::IndexedTriangleSetDistancer<VertexType, IndexedFaceType, TreeType, VectorType>
+            { vertices, faces, tree, point };
+
+	size_t hit_idx;
+	VectorType hit_point = VectorType::Ones() * (std::nan(""));
+
+	if(tree.empty())
+	{
+		return false;
+	}
+
+	detail::squared_distance_to_indexed_triangle_set_recursive(distancer, size_t(0), Scalar(0), max_distance, hit_idx, hit_point);
+
+    return hit_point.allFinite();
+}
+
 } // namespace AABBTreeIndirect
 } // namespace Slic3r
 

src/libslic3r/AppConfig.cpp

@@ -1,6 +1,7 @@
 #include "libslic3r/libslic3r.h"
 #include "libslic3r/Utils.hpp"
 #include "AppConfig.hpp"
+#include "Exception.hpp"
 
 #include <utility>
 #include <vector>
@@ -15,8 +16,8 @@
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/format/format_fwd.hpp>
 
-#include <wx/string.h>
+//#include <wx/string.h>
-#include "I18N.hpp"
+//#include "I18N.hpp"
 
 namespace Slic3r {
 
@@ -101,6 +102,9 @@ void AppConfig::set_defaults()
     if (get("use_inches").empty())
         set("use_inches", "0");
 
+    if (get("show_splash_screen").empty())
+        set("show_splash_screen", "1");
+
     // Remove legacy window positions/sizes
     erase("", "main_frame_maximized");
     erase("", "main_frame_pos");
@@ -110,7 +114,7 @@ void AppConfig::set_defaults()
     erase("", "object_settings_size");
 }
 
-void AppConfig::load()
+std::string AppConfig::load()
 {
     // 1) Read the complete config file into a boost::property_tree.
     namespace pt = boost::property_tree;
@@ -120,10 +124,15 @@ void AppConfig::load()
         pt::read_ini(ifs, tree);
     } catch (pt::ptree_error& ex) {
         // Error while parsing config file. We'll customize the error message and rethrow to be displayed.
-        throw std::runtime_error(
+        // ! But to avoid the use of _utf8 (related to use of wxWidgets) 
+        // we will rethrow this exception from the place of load() call, if returned value wouldn't be empty
+        /*
+        throw Slic3r::RuntimeError(
         	_utf8(L("Error parsing PrusaSlicer config file, it is probably corrupted. "
                     "Try to manually delete the file to recover from the error. Your user profiles will not be affected.")) + 
         	"\n\n" + AppConfig::config_path() + "\n\n" + ex.what());
+        */
+        return ex.what();
     }
 
     // 2) Parse the property_tree, extract the sections and key / value pairs.
@@ -169,10 +178,16 @@ void AppConfig::load()
     // Override missing or keys with their defaults.
     this->set_defaults();
     m_dirty = false;
+    return "";
 }
 
 void AppConfig::save()
 {
+#if ENABLE_GCODE_VIEWER
+    if (!m_save_enabled)
+        return;
+#endif // ENABLE_GCODE_VIEWER
+
     // The config is first written to a file with a PID suffix and then moved
     // to avoid race conditions with multiple instances of Slic3r
     const auto path = config_path();

src/libslic3r/AppConfig.hpp

@@ -18,6 +18,9 @@ public:
 	AppConfig() :
 		m_dirty(false),
 		m_orig_version(Semver::invalid()),
+#if ENABLE_GCODE_VIEWER
+		m_save_enabled(true),
+#endif // ENABLE_GCODE_VIEWER
 		m_legacy_datadir(false)
 	{
 		this->reset();
@@ -29,7 +32,8 @@ public:
 	void 			   	set_defaults();
 
 	// Load the slic3r.ini from a user profile directory (or a datadir, if configured).
-	void 			   	load();
+	// return error string or empty strinf
+	std::string		   	load();
 	// Store the slic3r.ini into a user profile directory (or a datadir, if configured).
 	void 			   	save();
 
@@ -156,6 +160,10 @@ public:
 	bool get_mouse_device_swap_yz(const std::string& name, bool& swap) const
 		{ return get_3dmouse_device_numeric_value(name, "swap_yz", swap); }
 
+#if ENABLE_GCODE_VIEWER
+	void enable_save(bool enable) { m_save_enabled = enable; }
+#endif // ENABLE_GCODE_VIEWER
+
 	static const std::string SECTION_FILAMENTS;
     static const std::string SECTION_MATERIALS;
 
@@ -182,6 +190,10 @@ private:
 	bool														m_dirty;
 	// Original version found in the ini file before it was overwritten
 	Semver                                                      m_orig_version;
+#if ENABLE_GCODE_VIEWER
+	// Whether or not calls to save() should take effect
+	bool                                                        m_save_enabled;
+#endif // ENABLE_GCODE_VIEWER
 	// Whether the existing version is before system profiles & configuration updating
 	bool                                                        m_legacy_datadir;
 };

src/libslic3r/BoundingBox.hpp

@@ -2,6 +2,7 @@
 #define slic3r_BoundingBox_hpp_
 
 #include "libslic3r.h"
+#include "Exception.hpp"
 #include "Point.hpp"
 #include "Polygon.hpp"
 
@@ -22,7 +23,7 @@ public:
     {
         if (points.empty()) {
             this->defined = false;
-            // throw std::invalid_argument("Empty point set supplied to BoundingBoxBase constructor");
+            // throw Slic3r::InvalidArgument("Empty point set supplied to BoundingBoxBase constructor");
         } else {
             typename std::vector<PointClass>::const_iterator it = points.begin();
             this->min = *it;
@@ -68,7 +69,7 @@ public:
     BoundingBox3Base(const std::vector<PointClass>& points)
     {
         if (points.empty())
-            throw std::invalid_argument("Empty point set supplied to BoundingBox3Base constructor");
+            throw Slic3r::InvalidArgument("Empty point set supplied to BoundingBox3Base constructor");
         typename std::vector<PointClass>::const_iterator it = points.begin();
         this->min = *it;
         this->max = *it;
@@ -192,6 +193,20 @@ inline BoundingBox3 scaled(const BoundingBoxf3 &bb) { return {scaled(bb.min), sc
 inline BoundingBoxf unscaled(const BoundingBox &bb) { return {unscaled(bb.min), unscaled(bb.max)}; }
 inline BoundingBoxf3 unscaled(const BoundingBox3 &bb) { return {unscaled(bb.min), unscaled(bb.max)}; }
 
+template<class Tout, class Tin>
+auto cast(const BoundingBoxBase<Tin> &b)
+{
+    return BoundingBoxBase<Vec<3, Tout>>{b.min.template cast<Tout>(),
+                                         b.max.template cast<Tout>()};
+}
+
+template<class Tout, class Tin>
+auto cast(const BoundingBox3Base<Tin> &b)
+{
+    return BoundingBox3Base<Vec<3, Tout>>{b.min.template cast<Tout>(),
+                                          b.max.template cast<Tout>()};
+}
+
 } // namespace Slic3r
 
 // Serialization through the Cereal library

src/libslic3r/CMakeLists.txt

@@ -46,6 +46,8 @@ add_library(libslic3r STATIC
     Fill/Fill.hpp
     Fill/Fill3DHoneycomb.cpp
     Fill/Fill3DHoneycomb.hpp
+    Fill/FillAdaptive.cpp
+    Fill/FillAdaptive.hpp
     Fill/FillBase.cpp
     Fill/FillBase.hpp
     Fill/FillConcentric.cpp
@@ -99,6 +101,8 @@ add_library(libslic3r STATIC
     GCode/ToolOrdering.hpp
     GCode/WipeTower.cpp
     GCode/WipeTower.hpp
+    GCode/GCodeProcessor.cpp
+    GCode/GCodeProcessor.hpp
     GCode.cpp
     GCode.hpp
     GCodeReader.cpp
@@ -147,6 +151,12 @@ add_library(libslic3r STATIC
     PolygonTrimmer.hpp
     Polyline.cpp
     Polyline.hpp
+    Preset.cpp
+    Preset.hpp
+    PresetBundle.cpp
+    PresetBundle.hpp
+    AppConfig.cpp
+    AppConfig.hpp
     Print.cpp
     Print.hpp
     PrintBase.cpp
@@ -155,6 +165,8 @@ add_library(libslic3r STATIC
     PrintConfig.hpp
     PrintObject.cpp
     PrintRegion.cpp
+    PNGRead.hpp
+    PNGRead.cpp
     Semver.cpp
     ShortestPath.cpp
     ShortestPath.hpp
@@ -187,6 +199,8 @@ add_library(libslic3r STATIC
     Utils.hpp
     Time.cpp
     Time.hpp
+    TriangleSelector.cpp
+    TriangleSelector.hpp
     MTUtils.hpp
     VoronoiOffset.cpp
     VoronoiOffset.hpp
@@ -201,12 +215,15 @@ add_library(libslic3r STATIC
     SimplifyMeshImpl.hpp
     SimplifyMesh.cpp
     MarchingSquares.hpp
+    Optimize/Optimizer.hpp
+    Optimize/NLoptOptimizer.hpp
+    Optimize/BruteforceOptimizer.hpp
     ${OpenVDBUtils_SOURCES}
-    SLA/Common.hpp
-    SLA/Common.cpp
     SLA/Pad.hpp
     SLA/Pad.cpp
     SLA/SupportTreeBuilder.hpp
+    SLA/SupportTreeMesher.hpp
+    SLA/SupportTreeMesher.cpp
     SLA/SupportTreeBuildsteps.hpp
     SLA/SupportTreeBuildsteps.cpp
     SLA/SupportTreeBuilder.cpp
@@ -218,6 +235,7 @@ add_library(libslic3r STATIC
     SLA/Rotfinder.cpp
     SLA/BoostAdapter.hpp
     SLA/SpatIndex.hpp
+    SLA/SpatIndex.cpp
     SLA/RasterBase.hpp
     SLA/RasterBase.cpp
     SLA/AGGRaster.hpp
@@ -233,8 +251,10 @@ add_library(libslic3r STATIC
     SLA/SupportPointGenerator.cpp
     SLA/Contour3D.hpp
     SLA/Contour3D.cpp
-    SLA/EigenMesh3D.hpp
+    SLA/IndexedMesh.hpp
+    SLA/IndexedMesh.cpp
     SLA/Clustering.hpp
+    SLA/Clustering.cpp
     SLA/ReprojectPointsOnMesh.hpp
 )
 
@@ -296,6 +316,8 @@ target_link_libraries(libslic3r
     TBB::tbb
     libslic3r_cgal
     ${CMAKE_DL_LIBS}
+    PNG::PNG
+    ZLIB::ZLIB
     )
 
 if (TARGET OpenVDB::openvdb)

src/libslic3r/ClipperUtils.cpp

@@ -8,7 +8,16 @@
 #include "SVG.hpp"
 #endif /* CLIPPER_UTILS_DEBUG */
 
-#include <Shiny/Shiny.h>
+// Profiling support using the Shiny intrusive profiler
+//#define CLIPPER_UTILS_PROFILE
+#if defined(SLIC3R_PROFILE) && defined(CLIPPER_UTILS_PROFILE)
+	#include <Shiny/Shiny.h>
+	#define CLIPPERUTILS_PROFILE_FUNC() PROFILE_FUNC()
+	#define CLIPPERUTILS_PROFILE_BLOCK(name) PROFILE_BLOCK(name)
+#else
+	#define CLIPPERUTILS_PROFILE_FUNC()
+	#define CLIPPERUTILS_PROFILE_BLOCK(name)
+#endif
 
 #define CLIPPER_OFFSET_SHORTEST_EDGE_FACTOR (0.005f)
 
@@ -50,7 +59,7 @@ err:
 
 void scaleClipperPolygon(ClipperLib::Path &polygon)
 {
-    PROFILE_FUNC();
+    CLIPPERUTILS_PROFILE_FUNC();
     for (ClipperLib::Path::iterator pit = polygon.begin(); pit != polygon.end(); ++pit) {
         pit->X <<= CLIPPER_OFFSET_POWER_OF_2;
         pit->Y <<= CLIPPER_OFFSET_POWER_OF_2;
@@ -59,7 +68,7 @@ void scaleClipperPolygon(ClipperLib::Path &polygon)
 
 void scaleClipperPolygons(ClipperLib::Paths &polygons)
 {
-    PROFILE_FUNC();
+    CLIPPERUTILS_PROFILE_FUNC();
     for (ClipperLib::Paths::iterator it = polygons.begin(); it != polygons.end(); ++it)
         for (ClipperLib::Path::iterator pit = (*it).begin(); pit != (*it).end(); ++pit) {
             pit->X <<= CLIPPER_OFFSET_POWER_OF_2;
@@ -69,7 +78,7 @@ void scaleClipperPolygons(ClipperLib::Paths &polygons)
 
 void unscaleClipperPolygon(ClipperLib::Path &polygon)
 {
-    PROFILE_FUNC();
+    CLIPPERUTILS_PROFILE_FUNC();
     for (ClipperLib::Path::iterator pit = polygon.begin(); pit != polygon.end(); ++pit) {
         pit->X += CLIPPER_OFFSET_SCALE_ROUNDING_DELTA;
         pit->Y += CLIPPER_OFFSET_SCALE_ROUNDING_DELTA;
@@ -80,7 +89,7 @@ void unscaleClipperPolygon(ClipperLib::Path &polygon)
 
 void unscaleClipperPolygons(ClipperLib::Paths &polygons)
 {
-    PROFILE_FUNC();
+    CLIPPERUTILS_PROFILE_FUNC();
     for (ClipperLib::Paths::iterator it = polygons.begin(); it != polygons.end(); ++it)
         for (ClipperLib::Path::iterator pit = (*it).begin(); pit != (*it).end(); ++pit) {
             pit->X += CLIPPER_OFFSET_SCALE_ROUNDING_DELTA;
@@ -790,7 +799,7 @@ ExPolygons simplify_polygons_ex(const Polygons &subject, bool preserve_collinear
 
 void safety_offset(ClipperLib::Paths* paths)
 {
-    PROFILE_FUNC();
+    CLIPPERUTILS_PROFILE_FUNC();
 
     // scale input
     scaleClipperPolygons(*paths);
@@ -812,11 +821,11 @@ void safety_offset(ClipperLib::Paths* paths)
         if (! ccw)
             std::reverse(path.begin(), path.end());
         {
-            PROFILE_BLOCK(safety_offset_AddPaths);
+            CLIPPERUTILS_PROFILE_BLOCK(safety_offset_AddPaths);
             co.AddPath((*paths)[i], ClipperLib::jtMiter, ClipperLib::etClosedPolygon);
         }
         {
-            PROFILE_BLOCK(safety_offset_Execute);
+            CLIPPERUTILS_PROFILE_BLOCK(safety_offset_Execute);
             // offset outside by 10um
             ClipperLib::Paths out_this;
             co.Execute(out_this, ccw ? 10.f * float(CLIPPER_OFFSET_SCALE) : -10.f * float(CLIPPER_OFFSET_SCALE));

src/libslic3r/Config.cpp

@@ -5,7 +5,6 @@
 #include <fstream>
 #include <iostream>
 #include <iomanip>
-#include <exception> // std::runtime_error
 #include <boost/algorithm/string.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/erase.hpp>
@@ -218,7 +217,7 @@ ConfigOption* ConfigOptionDef::create_empty_option() const
 	    case coInts:            return new ConfigOptionIntsNullable();
 	    case coPercents:        return new ConfigOptionPercentsNullable();
 	    case coBools:           return new ConfigOptionBoolsNullable();
-	    default:                throw std::runtime_error(std::string("Unknown option type for nullable option ") + this->label);
+	    default:                throw Slic3r::RuntimeError(std::string("Unknown option type for nullable option ") + this->label);
 	    }
 	} else {
 	    switch (this->type) {
@@ -238,7 +237,7 @@ ConfigOption* ConfigOptionDef::create_empty_option() const
 	    case coBool:            return new ConfigOptionBool();
 	    case coBools:           return new ConfigOptionBools();
 	    case coEnum:            return new ConfigOptionEnumGeneric(this->enum_keys_map);
-	    default:                throw std::runtime_error(std::string("Unknown option type for option ") + this->label);
+	    default:                throw Slic3r::RuntimeError(std::string("Unknown option type for option ") + this->label);
 	    }
 	}
 }
@@ -535,7 +534,7 @@ double ConfigBase::get_abs_value(const t_config_option_key &opt_key) const
         return opt_def->ratio_over.empty() ? 0. : 
             static_cast<const ConfigOptionFloatOrPercent*>(raw_opt)->get_abs_value(this->get_abs_value(opt_def->ratio_over));
     }
-    throw std::runtime_error("ConfigBase::get_abs_value(): Not a valid option type for get_abs_value()");
+    throw Slic3r::RuntimeError("ConfigBase::get_abs_value(): Not a valid option type for get_abs_value()");
 }
 
 // Return an absolute value of a possibly relative config variable.
@@ -546,7 +545,7 @@ double ConfigBase::get_abs_value(const t_config_option_key &opt_key, double rati
     const ConfigOption *raw_opt = this->option(opt_key);
     assert(raw_opt != nullptr);
     if (raw_opt->type() != coFloatOrPercent)
-        throw std::runtime_error("ConfigBase::get_abs_value(): opt_key is not of coFloatOrPercent");
+        throw Slic3r::RuntimeError("ConfigBase::get_abs_value(): opt_key is not of coFloatOrPercent");
     // Compute absolute value.
     return static_cast<const ConfigOptionFloatOrPercent*>(raw_opt)->get_abs_value(ratio_over);
 }
@@ -609,7 +608,7 @@ void ConfigBase::load_from_gcode_file(const std::string &file)
 		std::getline(ifs, firstline);
 		if (strncmp(slic3r_gcode_header, firstline.c_str(), strlen(slic3r_gcode_header)) != 0 &&
             strncmp(prusaslicer_gcode_header, firstline.c_str(), strlen(prusaslicer_gcode_header)) != 0)
-			throw std::runtime_error("Not a PrusaSlicer / Slic3r PE generated g-code.");
+			throw Slic3r::RuntimeError("Not a PrusaSlicer / Slic3r PE generated g-code.");
 	}
     ifs.seekg(0, ifs.end);
 	auto file_length = ifs.tellg();
@@ -621,7 +620,7 @@ void ConfigBase::load_from_gcode_file(const std::string &file)
 
     size_t key_value_pairs = load_from_gcode_string(data.data());
     if (key_value_pairs < 80)
-        throw std::runtime_error(format("Suspiciously low number of configuration values extracted from %1%: %2%", file, key_value_pairs));
+        throw Slic3r::RuntimeError(format("Suspiciously low number of configuration values extracted from %1%: %2%", file, key_value_pairs));
 }
 
 // Load the config keys from the given string.
@@ -750,7 +749,7 @@ ConfigOption* DynamicConfig::optptr(const t_config_option_key &opt_key, bool cre
         throw NoDefinitionException(opt_key);
     const ConfigOptionDef *optdef = def->get(opt_key);
     if (optdef == nullptr)
-//        throw std::runtime_error(std::string("Invalid option name: ") + opt_key);
+//        throw Slic3r::RuntimeError(std::string("Invalid option name: ") + opt_key);
         // Let the parent decide what to do if the opt_key is not defined by this->def().
         return nullptr;
     ConfigOption *opt = optdef->create_default_option();

src/libslic3r/Config.hpp

@@ -13,6 +13,7 @@
 #include <vector>
 #include "libslic3r.h"
 #include "clonable_ptr.hpp"
+#include "Exception.hpp"
 #include "Point.hpp"
 
 #include <boost/algorithm/string/trim.hpp>
@@ -34,31 +35,31 @@ extern bool         unescape_string_cstyle(const std::string &str, std::string &
 extern bool         unescape_strings_cstyle(const std::string &str, std::vector<std::string> &out);
 
 /// Specialization of std::exception to indicate that an unknown config option has been encountered.
-class UnknownOptionException : public std::runtime_error {
+class UnknownOptionException : public Slic3r::RuntimeError {
 public:
     UnknownOptionException() :
-        std::runtime_error("Unknown option exception") {}
+        Slic3r::RuntimeError("Unknown option exception") {}
     UnknownOptionException(const std::string &opt_key) :
-        std::runtime_error(std::string("Unknown option exception: ") + opt_key) {}
+        Slic3r::RuntimeError(std::string("Unknown option exception: ") + opt_key) {}
 };
 
 /// Indicate that the ConfigBase derived class does not provide config definition (the method def() returns null).
-class NoDefinitionException : public std::runtime_error
+class NoDefinitionException : public Slic3r::RuntimeError
 {
 public:
     NoDefinitionException() :
-        std::runtime_error("No definition exception") {}
+        Slic3r::RuntimeError("No definition exception") {}
     NoDefinitionException(const std::string &opt_key) :
-        std::runtime_error(std::string("No definition exception: ") + opt_key) {}
+        Slic3r::RuntimeError(std::string("No definition exception: ") + opt_key) {}
 };
 
 /// Indicate that an unsupported accessor was called on a config option.
-class BadOptionTypeException : public std::runtime_error
+class BadOptionTypeException : public Slic3r::RuntimeError
 {
 public:
-	BadOptionTypeException() : std::runtime_error("Bad option type exception") {}
+	BadOptionTypeException() : Slic3r::RuntimeError("Bad option type exception") {}
-	BadOptionTypeException(const std::string &message) : std::runtime_error(message) {}
+	BadOptionTypeException(const std::string &message) : Slic3r::RuntimeError(message) {}
-    BadOptionTypeException(const char* message) : std::runtime_error(message) {}
+    BadOptionTypeException(const char* message) : Slic3r::RuntimeError(message) {}
 };
 
 // Type of a configuration value.
@@ -167,7 +168,7 @@ public:
     void set(const ConfigOption *rhs) override
     {
         if (rhs->type() != this->type())
-            throw std::runtime_error("ConfigOptionSingle: Assigning an incompatible type");
+            throw Slic3r::RuntimeError("ConfigOptionSingle: Assigning an incompatible type");
         assert(dynamic_cast<const ConfigOptionSingle<T>*>(rhs));
         this->value = static_cast<const ConfigOptionSingle<T>*>(rhs)->value;
     }
@@ -175,7 +176,7 @@ public:
     bool operator==(const ConfigOption &rhs) const override
     {
         if (rhs.type() != this->type())
-            throw std::runtime_error("ConfigOptionSingle: Comparing incompatible types");
+            throw Slic3r::RuntimeError("ConfigOptionSingle: Comparing incompatible types");
         assert(dynamic_cast<const ConfigOptionSingle<T>*>(&rhs));
         return this->value == static_cast<const ConfigOptionSingle<T>*>(&rhs)->value;
     }
@@ -239,7 +240,7 @@ public:
     void set(const ConfigOption *rhs) override
     {
         if (rhs->type() != this->type())
-            throw std::runtime_error("ConfigOptionVector: Assigning an incompatible type");
+            throw Slic3r::RuntimeError("ConfigOptionVector: Assigning an incompatible type");
         assert(dynamic_cast<const ConfigOptionVector<T>*>(rhs));
         this->values = static_cast<const ConfigOptionVector<T>*>(rhs)->values;
     }
@@ -256,12 +257,12 @@ public:
             if (opt->type() == this->type()) {
                 auto other = static_cast<const ConfigOptionVector<T>*>(opt);
                 if (other->values.empty())
-                    throw std::runtime_error("ConfigOptionVector::set(): Assigning from an empty vector");
+                    throw Slic3r::RuntimeError("ConfigOptionVector::set(): Assigning from an empty vector");
                 this->values.emplace_back(other->values.front());
             } else if (opt->type() == this->scalar_type())
                 this->values.emplace_back(static_cast<const ConfigOptionSingle<T>*>(opt)->value);
             else
-                throw std::runtime_error("ConfigOptionVector::set():: Assigning an incompatible type");
+                throw Slic3r::RuntimeError("ConfigOptionVector::set():: Assigning an incompatible type");
         }
     }
 
@@ -280,12 +281,12 @@ public:
             // Assign the first value of the rhs vector.
             auto other = static_cast<const ConfigOptionVector<T>*>(rhs);
             if (other->values.empty())
-                throw std::runtime_error("ConfigOptionVector::set_at(): Assigning from an empty vector");
+                throw Slic3r::RuntimeError("ConfigOptionVector::set_at(): Assigning from an empty vector");
             this->values[i] = other->get_at(j);
         } else if (rhs->type() == this->scalar_type())
             this->values[i] = static_cast<const ConfigOptionSingle<T>*>(rhs)->value;
         else
-            throw std::runtime_error("ConfigOptionVector::set_at(): Assigning an incompatible type");
+            throw Slic3r::RuntimeError("ConfigOptionVector::set_at(): Assigning an incompatible type");
     }
 
     const T& get_at(size_t i) const
@@ -310,9 +311,9 @@ public:
         else if (n > this->values.size()) {
             if (this->values.empty()) {
                 if (opt_default == nullptr)
-                    throw std::runtime_error("ConfigOptionVector::resize(): No default value provided.");
+                    throw Slic3r::RuntimeError("ConfigOptionVector::resize(): No default value provided.");
                 if (opt_default->type() != this->type())
-                    throw std::runtime_error("ConfigOptionVector::resize(): Extending with an incompatible type.");
+                    throw Slic3r::RuntimeError("ConfigOptionVector::resize(): Extending with an incompatible type.");
                 this->values.resize(n, static_cast<const ConfigOptionVector<T>*>(opt_default)->values.front());
             } else {
                 // Resize by duplicating the last value.
@@ -329,7 +330,7 @@ public:
     bool operator==(const ConfigOption &rhs) const override
     {
         if (rhs.type() != this->type())
-            throw std::runtime_error("ConfigOptionVector: Comparing incompatible types");
+            throw Slic3r::RuntimeError("ConfigOptionVector: Comparing incompatible types");
         assert(dynamic_cast<const ConfigOptionVector<T>*>(&rhs));
         return this->values == static_cast<const ConfigOptionVector<T>*>(&rhs)->values;
     }
@@ -341,9 +342,9 @@ public:
     // An option overrides another option if it is not nil and not equal.
     bool overriden_by(const ConfigOption *rhs) const override {
         if (this->nullable())
-        	throw std::runtime_error("Cannot override a nullable ConfigOption.");
+        	throw Slic3r::RuntimeError("Cannot override a nullable ConfigOption.");
         if (rhs->type() != this->type())
-            throw std::runtime_error("ConfigOptionVector.overriden_by() applied to different types.");
+            throw Slic3r::RuntimeError("ConfigOptionVector.overriden_by() applied to different types.");
     	auto rhs_vec = static_cast<const ConfigOptionVector<T>*>(rhs);
     	if (! rhs->nullable())
     		// Overridding a non-nullable object with another non-nullable object.
@@ -361,9 +362,9 @@ public:
     // Apply an override option, possibly a nullable one.
     bool apply_override(const ConfigOption *rhs) override {
         if (this->nullable())
-        	throw std::runtime_error("Cannot override a nullable ConfigOption.");
+        	throw Slic3r::RuntimeError("Cannot override a nullable ConfigOption.");
         if (rhs->type() != this->type())
-			throw std::runtime_error("ConfigOptionVector.apply_override() applied to different types.");
+			throw Slic3r::RuntimeError("ConfigOptionVector.apply_override() applied to different types.");
 		auto rhs_vec = static_cast<const ConfigOptionVector<T>*>(rhs);
 		if (! rhs->nullable()) {
     		// Overridding a non-nullable object with another non-nullable object.
@@ -452,7 +453,7 @@ public:
     bool                    operator==(const ConfigOptionFloatsTempl &rhs) const { return vectors_equal(this->values, rhs.values); }
     bool 					operator==(const ConfigOption &rhs) const override {
         if (rhs.type() != this->type())
-            throw std::runtime_error("ConfigOptionFloatsTempl: Comparing incompatible types");
+            throw Slic3r::RuntimeError("ConfigOptionFloatsTempl: Comparing incompatible types");
         assert(dynamic_cast<const ConfigOptionVector<double>*>(&rhs));
         return vectors_equal(this->values, static_cast<const ConfigOptionVector<double>*>(&rhs)->values);
     }
@@ -499,7 +500,7 @@ public:
         		if (NULLABLE)
         			this->values.push_back(nil_value());
         		else
-        			throw std::runtime_error("Deserializing nil into a non-nullable object");
+        			throw Slic3r::RuntimeError("Deserializing nil into a non-nullable object");
         	} else {
 	            std::istringstream iss(item_str);
 	            double value;
@@ -524,9 +525,9 @@ protected:
         		if (NULLABLE)
         			ss << "nil";
         		else
-                    throw std::runtime_error("Serializing NaN");
+                    throw Slic3r::RuntimeError("Serializing NaN");
         	} else
-                throw std::runtime_error("Serializing invalid number");
+                throw Slic3r::RuntimeError("Serializing invalid number");
 	}
     static bool vectors_equal(const std::vector<double> &v1, const std::vector<double> &v2) {
     	if (NULLABLE) {
@@ -645,7 +646,7 @@ public:
         		if (NULLABLE)
         			this->values.push_back(nil_value());
         		else
-                    throw std::runtime_error("Deserializing nil into a non-nullable object");
+                    throw Slic3r::RuntimeError("Deserializing nil into a non-nullable object");
         	} else {
 	            std::istringstream iss(item_str);
 	            int value;
@@ -662,7 +663,7 @@ private:
         		if (NULLABLE)
         			ss << "nil";
         		else
-                    throw std::runtime_error("Serializing NaN");
+                    throw Slic3r::RuntimeError("Serializing NaN");
         	} else
         		ss << v;
 	}
@@ -847,7 +848,7 @@ public:
     bool                        operator==(const ConfigOption &rhs) const override
     {
         if (rhs.type() != this->type())
-            throw std::runtime_error("ConfigOptionFloatOrPercent: Comparing incompatible types");
+            throw Slic3r::RuntimeError("ConfigOptionFloatOrPercent: Comparing incompatible types");
         assert(dynamic_cast<const ConfigOptionFloatOrPercent*>(&rhs));
         return *this == *static_cast<const ConfigOptionFloatOrPercent*>(&rhs);
     }
@@ -858,7 +859,7 @@ public:
 
     void set(const ConfigOption *rhs) override {
         if (rhs->type() != this->type())
-            throw std::runtime_error("ConfigOptionFloatOrPercent: Assigning an incompatible type");
+            throw Slic3r::RuntimeError("ConfigOptionFloatOrPercent: Assigning an incompatible type");
         assert(dynamic_cast<const ConfigOptionFloatOrPercent*>(rhs));
         *this = *static_cast<const ConfigOptionFloatOrPercent*>(rhs);
     }
@@ -1126,7 +1127,7 @@ public:
         		if (NULLABLE)
         			this->values.push_back(nil_value());
         		else
-                    throw std::runtime_error("Deserializing nil into a non-nullable object");
+                    throw Slic3r::RuntimeError("Deserializing nil into a non-nullable object");
         	} else
         		this->values.push_back(item_str.compare("1") == 0);	
         }
@@ -1139,7 +1140,7 @@ protected:
         		if (NULLABLE)
         			ss << "nil";
         		else
-                    throw std::runtime_error("Serializing NaN");
+                    throw Slic3r::RuntimeError("Serializing NaN");
         	} else
         		ss << (v ? "1" : "0");
 	}
@@ -1175,14 +1176,14 @@ public:
     bool operator==(const ConfigOption &rhs) const override
     {
         if (rhs.type() != this->type())
-            throw std::runtime_error("ConfigOptionEnum<T>: Comparing incompatible types");
+            throw Slic3r::RuntimeError("ConfigOptionEnum<T>: Comparing incompatible types");
         // rhs could be of the following type: ConfigOptionEnumGeneric or ConfigOptionEnum<T>
         return this->value == (T)rhs.getInt();
     }
 
     void set(const ConfigOption *rhs) override {
         if (rhs->type() != this->type())
-            throw std::runtime_error("ConfigOptionEnum<T>: Assigning an incompatible type");
+            throw Slic3r::RuntimeError("ConfigOptionEnum<T>: Assigning an incompatible type");
         // rhs could be of the following type: ConfigOptionEnumGeneric or ConfigOptionEnum<T>
         this->value = (T)rhs->getInt();
     }
@@ -1259,14 +1260,14 @@ public:
     bool operator==(const ConfigOption &rhs) const override
     {
         if (rhs.type() != this->type())
-            throw std::runtime_error("ConfigOptionEnumGeneric: Comparing incompatible types");
+            throw Slic3r::RuntimeError("ConfigOptionEnumGeneric: Comparing incompatible types");
         // rhs could be of the following type: ConfigOptionEnumGeneric or ConfigOptionEnum<T>
         return this->value == rhs.getInt();
     }
 
     void set(const ConfigOption *rhs) override {
         if (rhs->type() != this->type())
-            throw std::runtime_error("ConfigOptionEnumGeneric: Assigning an incompatible type");
+            throw Slic3r::RuntimeError("ConfigOptionEnumGeneric: Assigning an incompatible type");
         // rhs could be of the following type: ConfigOptionEnumGeneric or ConfigOptionEnum<T>
         this->value = rhs->getInt();
     }
@@ -1321,7 +1322,7 @@ public:
 		    case coInts:            { auto opt = new ConfigOptionIntsNullable();	archive(*opt); return opt; }
 		    case coPercents:        { auto opt = new ConfigOptionPercentsNullable();archive(*opt); return opt; }
 		    case coBools:           { auto opt = new ConfigOptionBoolsNullable();	archive(*opt); return opt; }
-		    default:                throw std::runtime_error(std::string("ConfigOptionDef::load_option_from_archive(): Unknown nullable option type for option ") + this->opt_key);
+		    default:                throw Slic3r::RuntimeError(std::string("ConfigOptionDef::load_option_from_archive(): Unknown nullable option type for option ") + this->opt_key);
 		    }
     	} else {
 		    switch (this->type) {
@@ -1340,7 +1341,7 @@ public:
 		    case coBool:            { auto opt = new ConfigOptionBool(); 			archive(*opt); return opt; }
 		    case coBools:           { auto opt = new ConfigOptionBools(); 			archive(*opt); return opt; }
 		    case coEnum:            { auto opt = new ConfigOptionEnumGeneric(this->enum_keys_map); archive(*opt); return opt; }
-		    default:                throw std::runtime_error(std::string("ConfigOptionDef::load_option_from_archive(): Unknown option type for option ") + this->opt_key);
+		    default:                throw Slic3r::RuntimeError(std::string("ConfigOptionDef::load_option_from_archive(): Unknown option type for option ") + this->opt_key);
 		    }
 		}
 	}
@@ -1352,7 +1353,7 @@ public:
 		    case coInts:            archive(*static_cast<const ConfigOptionIntsNullable*>(opt));    break;
 		    case coPercents:        archive(*static_cast<const ConfigOptionPercentsNullable*>(opt));break;
 		    case coBools:           archive(*static_cast<const ConfigOptionBoolsNullable*>(opt)); 	break;
-		    default:                throw std::runtime_error(std::string("ConfigOptionDef::save_option_to_archive(): Unknown nullable option type for option ") + this->opt_key);
+		    default:                throw Slic3r::RuntimeError(std::string("ConfigOptionDef::save_option_to_archive(): Unknown nullable option type for option ") + this->opt_key);
 		    }
 		} else {
 		    switch (this->type) {
@@ -1371,7 +1372,7 @@ public:
 		    case coBool:            archive(*static_cast<const ConfigOptionBool*>(opt)); 			break;
 		    case coBools:           archive(*static_cast<const ConfigOptionBools*>(opt)); 			break;
 		    case coEnum:            archive(*static_cast<const ConfigOptionEnumGeneric*>(opt)); 	break;
-		    default:                throw std::runtime_error(std::string("ConfigOptionDef::save_option_to_archive(): Unknown option type for option ") + this->opt_key);
+		    default:                throw Slic3r::RuntimeError(std::string("ConfigOptionDef::save_option_to_archive(): Unknown option type for option ") + this->opt_key);
 		    }
 		}
 		// Make the compiler happy, shut up the warnings.

src/libslic3r/CustomGCode.cpp

@@ -1,6 +1,10 @@
 #include "CustomGCode.hpp"
 #include "Config.hpp"
+#if ENABLE_GCODE_VIEWER
+#include "GCode.hpp"
+#else
 #include "GCode/PreviewData.hpp"
+#endif // ENABLE_GCODE_VIEWER
 #include "GCodeWriter.hpp"
 
 namespace Slic3r {
@@ -17,7 +21,11 @@ extern void update_custom_gcode_per_print_z_from_config(Info& info, DynamicPrint
         return;
     if (info.gcodes.empty() && ! colorprint_heights->values.empty()) {
 		// Convert the old colorprint_heighs only if there is no equivalent data in a new format.
+#if ENABLE_GCODE_VIEWER
+        const std::vector<std::string>& colors = ColorPrintColors::get();
+#else
         const std::vector<std::string>& colors = GCodePreviewData::ColorPrintColors();
+#endif // ENABLE_GCODE_VIEWER
         const auto& colorprint_values = colorprint_heights->values;
         info.gcodes.clear();
         info.gcodes.reserve(colorprint_values.size());

src/libslic3r/ExPolygon.cpp

@@ -1,5 +1,6 @@
 #include "BoundingBox.hpp"
 #include "ExPolygon.hpp"
+#include "Exception.hpp"
 #include "Geometry.hpp"
 #include "Polygon.hpp"
 #include "Line.hpp"
@@ -435,7 +436,7 @@ void ExPolygon::triangulate_pp(Polygons* polygons) const
     std::list<TPPLPoly> output;
     int res = TPPLPartition().Triangulate_MONO(&input, &output);
     if (res != 1)
-        throw std::runtime_error("Triangulation failed");
+        throw Slic3r::RuntimeError("Triangulation failed");
     
     // convert output polygons
     for (std::list<TPPLPoly>::iterator poly = output.begin(); poly != output.end(); ++poly) {
@@ -548,7 +549,7 @@ void ExPolygon::triangulate_pp(Points *triangles) const
     int res = TPPLPartition().Triangulate_MONO(&input, &output);
 // int TPPLPartition::Triangulate_EC(TPPLPolyList *inpolys, TPPLPolyList *triangles) {
     if (res != 1)
-        throw std::runtime_error("Triangulation failed");
+        throw Slic3r::RuntimeError("Triangulation failed");
     *triangles = polypartition_output_to_triangles(output);
 }
 
@@ -591,7 +592,7 @@ void ExPolygon::triangulate_p2t(Polygons* polygons) const
                 }
                 polygons->push_back(p);
             }
-        } catch (const std::runtime_error & /* err */) {
+        } catch (const Slic3r::RuntimeError & /* err */) {
             assert(false);
             // just ignore, don't triangulate
         }

src/libslic3r/ExPolygon.hpp

@@ -333,6 +333,14 @@ extern std::list<TPPLPoly> expoly_to_polypartition_input(const ExPolygons &expp)
 extern std::list<TPPLPoly> expoly_to_polypartition_input(const ExPolygon &ex);
 extern std::vector<Point> polypartition_output_to_triangles(const std::list<TPPLPoly> &output);
 
+inline double area(const ExPolygons &polys)
+{
+    double s = 0.;
+    for (auto &p : polys) s += p.area();
+
+    return s;
+}
+
 } // namespace Slic3r
 
 // start Boost

src/libslic3r/Exception.hpp

@@ -0,0 +1,28 @@
+#ifndef _libslic3r_Exception_h_
+#define _libslic3r_Exception_h_
+
+#include <stdexcept>
+
+namespace Slic3r {
+
+// PrusaSlicer's own exception hierarchy is derived from std::runtime_error.
+// Base for Slicer's own exceptions.
+class Exception : public std::runtime_error { using std::runtime_error::runtime_error; };
+#define SLIC3R_DERIVE_EXCEPTION(DERIVED_EXCEPTION, PARENT_EXCEPTION) \
+    class DERIVED_EXCEPTION : public PARENT_EXCEPTION { using PARENT_EXCEPTION::PARENT_EXCEPTION; }
+// Critical exception produced by Slicer, such exception shall never propagate up to the UI thread.
+// If that happens, an ugly fat message box with an ugly fat exclamation mark is displayed.
+SLIC3R_DERIVE_EXCEPTION(CriticalException,  Exception);
+SLIC3R_DERIVE_EXCEPTION(RuntimeError,       CriticalException);
+SLIC3R_DERIVE_EXCEPTION(LogicError,         CriticalException);
+SLIC3R_DERIVE_EXCEPTION(InvalidArgument,    LogicError);
+SLIC3R_DERIVE_EXCEPTION(OutOfRange,         LogicError);
+SLIC3R_DERIVE_EXCEPTION(IOError,            CriticalException);
+SLIC3R_DERIVE_EXCEPTION(FileIOError,        IOError);
+// Runtime exception produced by Slicer. Such exception cancels the slicing process and it shall be shown in notifications.
+SLIC3R_DERIVE_EXCEPTION(SlicingError,       Exception);
+#undef SLIC3R_DERIVE_EXCEPTION
+
+} // namespace Slic3r
+
+#endif // _libslic3r_Exception_h_

src/libslic3r/ExtrusionEntity.cpp

@@ -306,14 +306,18 @@ double ExtrusionLoop::min_mm3_per_mm() const
 std::string ExtrusionEntity::role_to_string(ExtrusionRole role)
 {
     switch (role) {
+#if ENABLE_GCODE_VIEWER
+        case erNone                         : return L("Unknown");
+#else
         case erNone                         : return L("None");
+#endif // ENABLE_GCODE_VIEWER
         case erPerimeter                    : return L("Perimeter");
         case erExternalPerimeter            : return L("External perimeter");
         case erOverhangPerimeter            : return L("Overhang perimeter");
         case erInternalInfill               : return L("Internal infill");
         case erSolidInfill                  : return L("Solid infill");
-        case erIroning                      : return L("Ironing");
         case erTopSolidInfill               : return L("Top solid infill");
+        case erIroning                      : return L("Ironing");
         case erBridgeInfill                 : return L("Bridge infill");
         case erGapFill                      : return L("Gap fill");
         case erSkirt                        : return L("Skirt");
@@ -327,4 +331,40 @@ std::string ExtrusionEntity::role_to_string(ExtrusionRole role)
     return "";
 }
 
+ExtrusionRole ExtrusionEntity::string_to_role(const std::string& role)
+{
+    if (role == L("Perimeter"))
+        return erPerimeter;
+    else if (role == L("External perimeter"))
+        return erExternalPerimeter;
+    else if (role == L("Overhang perimeter"))
+        return erOverhangPerimeter;
+    else if (role == L("Internal infill"))
+        return erInternalInfill;
+    else if (role == L("Solid infill"))
+        return erSolidInfill;
+    else if (role == L("Top solid infill"))
+        return erTopSolidInfill;
+    else if (role == L("Ironing"))
+        return erIroning;
+    else if (role == L("Bridge infill"))
+        return erBridgeInfill;
+    else if (role == L("Gap fill"))
+        return erGapFill;
+    else if (role == L("Skirt"))
+        return erSkirt;
+    else if (role == L("Support material"))
+        return erSupportMaterial;
+    else if (role == L("Support material interface"))
+        return erSupportMaterialInterface;
+    else if (role == L("Wipe tower"))
+        return erWipeTower;
+    else if (role == L("Custom"))
+        return erCustom;
+    else if (role == L("Mixed"))
+        return erMixed;
+    else
+        return erNone;
+}
+
 }

src/libslic3r/ExtrusionEntity.hpp

@@ -106,6 +106,7 @@ public:
     virtual double total_volume() const = 0;
 
     static std::string role_to_string(ExtrusionRole role);
+    static ExtrusionRole string_to_role(const std::string& role);
 };
 
 typedef std::vector<ExtrusionEntity*> ExtrusionEntitiesPtr;
@@ -121,8 +122,8 @@ public:
     // Height of the extrusion, used for visualization purposes.
     float height;
 
-    ExtrusionPath(ExtrusionRole role) : mm3_per_mm(-1), width(-1), height(-1), m_role(role) {};
+    ExtrusionPath(ExtrusionRole role) : mm3_per_mm(-1), width(-1), height(-1), m_role(role) {}
-    ExtrusionPath(ExtrusionRole role, double mm3_per_mm, float width, float height) : mm3_per_mm(mm3_per_mm), width(width), height(height), m_role(role) {};
+    ExtrusionPath(ExtrusionRole role, double mm3_per_mm, float width, float height) : mm3_per_mm(mm3_per_mm), width(width), height(height), m_role(role) {}
     ExtrusionPath(const ExtrusionPath& rhs) : polyline(rhs.polyline), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}
     ExtrusionPath(ExtrusionPath&& rhs) : polyline(std::move(rhs.polyline)), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}
     ExtrusionPath(const Polyline &polyline, const ExtrusionPath &rhs) : polyline(polyline), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}

src/libslic3r/ExtrusionEntityCollection.hpp

@@ -2,6 +2,7 @@
 #define slic3r_ExtrusionEntityCollection_hpp_
 
 #include "libslic3r.h"
+#include "Exception.hpp"
 #include "ExtrusionEntity.hpp"
 
 namespace Slic3r {
@@ -107,7 +108,7 @@ public:
 
     // Following methods shall never be called on an ExtrusionEntityCollection.
     Polyline as_polyline() const override {
-        throw std::runtime_error("Calling as_polyline() on a ExtrusionEntityCollection");
+        throw Slic3r::RuntimeError("Calling as_polyline() on a ExtrusionEntityCollection");
         return Polyline();
     };
 
@@ -117,7 +118,7 @@ public:
     }
 
     double length() const override {
-        throw std::runtime_error("Calling length() on a ExtrusionEntityCollection");
+        throw Slic3r::RuntimeError("Calling length() on a ExtrusionEntityCollection");
         return 0.;        
     }
 };

src/libslic3r/FileParserError.hpp

@@ -10,14 +10,14 @@
 namespace Slic3r {
 
 // Generic file parser error, mostly copied from boost::property_tree::file_parser_error
-class file_parser_error: public std::runtime_error
+class file_parser_error: public Slic3r::RuntimeError
 {
 public:
     file_parser_error(const std::string &msg, const std::string &file, unsigned long line = 0) :
-        std::runtime_error(format_what(msg, file, line)),
+        Slic3r::RuntimeError(format_what(msg, file, line)),
         m_message(msg), m_filename(file), m_line(line) {}
     file_parser_error(const std::string &msg, const boost::filesystem::path &file, unsigned long line = 0) :
-        std::runtime_error(format_what(msg, file.string(), line)),
+        Slic3r::RuntimeError(format_what(msg, file.string(), line)),
         m_message(msg), m_filename(file.string()), m_line(line) {}
     // gcc 3.4.2 complains about lack of throw specifier on compiler
     // generated dtor
@@ -35,7 +35,7 @@ private:
     std::string     m_filename;
     unsigned long   m_line;
 
-    // Format error message to be returned by std::runtime_error::what()
+    // Format error message to be returned by Slic3r::RuntimeError::what()
     static std::string format_what(const std::string &msg, const std::string &file, unsigned long l)
     {
         std::stringstream stream;

src/libslic3r/Fill/Fill.cpp

@@ -318,7 +318,7 @@ void export_group_fills_to_svg(const char *path, const std::vector<SurfaceFill>
 #endif
 
 // friend to Layer
-void Layer::make_fills()
+void Layer::make_fills(FillAdaptive_Internal::Octree* adaptive_fill_octree, FillAdaptive_Internal::Octree* support_fill_octree)
 {
 	for (LayerRegion *layerm : m_regions)
 		layerm->fills.clear();
@@ -345,6 +345,8 @@ void Layer::make_fills()
         f->layer_id = this->id();
         f->z 		= this->print_z;
         f->angle 	= surface_fill.params.angle;
+        f->adapt_fill_octree = adaptive_fill_octree;
+        f->support_fill_octree = support_fill_octree;
 
         // calculate flow spacing for infill pattern generation
         bool using_internal_flow = ! surface_fill.surface.is_solid() && ! surface_fill.params.flow.bridge;

src/libslic3r/Fill/FillAdaptive.cpp

@@ -0,0 +1,520 @@
+#include "../ClipperUtils.hpp"
+#include "../ExPolygon.hpp"
+#include "../Surface.hpp"
+#include "../Geometry.hpp"
+#include "../AABBTreeIndirect.hpp"
+#include "../Layer.hpp"
+#include "../Print.hpp"
+#include "../ShortestPath.hpp"
+
+#include "FillAdaptive.hpp"
+
+namespace Slic3r {
+
+std::pair<double, double> adaptive_fill_line_spacing(const PrintObject &print_object)
+{
+    // Output, spacing for icAdaptiveCubic and icSupportCubic
+    double  adaptive_line_spacing = 0.;
+    double  support_line_spacing = 0.;
+
+    enum class Tristate {
+        Yes,
+        No,
+        Maybe
+    };
+    struct RegionFillData {
+        Tristate        has_adaptive_infill;
+        Tristate        has_support_infill;
+        double          density;
+        double          extrusion_width;
+    };
+    std::vector<RegionFillData> region_fill_data;
+    region_fill_data.reserve(print_object.print()->regions().size());
+    bool                        build_octree = false;
+    for (const PrintRegion *region : print_object.print()->regions()) {
+        const PrintRegionConfig &config   = region->config();
+        bool                     nonempty = config.fill_density > 0;
+        bool                     has_adaptive_infill = nonempty && config.fill_pattern == ipAdaptiveCubic;
+        bool                     has_support_infill  = nonempty && config.fill_pattern == ipSupportCubic;
+        region_fill_data.push_back(RegionFillData({
+            has_adaptive_infill ? Tristate::Maybe : Tristate::No,
+            has_support_infill ? Tristate::Maybe : Tristate::No,
+            config.fill_density,
+            config.infill_extrusion_width
+        }));
+        build_octree |= has_adaptive_infill || has_support_infill;
+    }
+
+    if (build_octree) {
+        // Compute the average of above parameters over all layers
+        for (const Layer *layer : print_object.layers())
+            for (size_t region_id = 0; region_id < layer->regions().size(); ++ region_id) {
+                RegionFillData &rd = region_fill_data[region_id];
+                if (rd.has_adaptive_infill == Tristate::Maybe && ! layer->regions()[region_id]->fill_surfaces.empty())
+                    rd.has_adaptive_infill = Tristate::Yes;
+                if (rd.has_support_infill == Tristate::Maybe && ! layer->regions()[region_id]->fill_surfaces.empty())
+                    rd.has_support_infill = Tristate::Yes;
+            }
+
+        double  adaptive_fill_density           = 0.;
+        double  adaptive_infill_extrusion_width = 0.;
+        int     adaptive_cnt                    = 0;
+        double  support_fill_density            = 0.;
+        double  support_infill_extrusion_width  = 0.;
+        int     support_cnt                     = 0;
+
+        for (const RegionFillData &rd : region_fill_data) {
+            if (rd.has_adaptive_infill == Tristate::Yes) {
+                adaptive_fill_density           += rd.density;
+                adaptive_infill_extrusion_width += rd.extrusion_width;
+                ++ adaptive_cnt;
+            } else if (rd.has_support_infill == Tristate::Yes) {
+                support_fill_density           += rd.density;
+                support_infill_extrusion_width += rd.extrusion_width;
+                ++ support_cnt;
+            }
+        }
+
+        auto to_line_spacing = [](int cnt, double density, double extrusion_width) {
+            if (cnt) {
+                density         /= double(cnt);
+                extrusion_width /= double(cnt);
+                return extrusion_width / ((density / 100.0f) * 0.333333333f);
+            } else
+                return 0.;
+        };
+        adaptive_line_spacing = to_line_spacing(adaptive_cnt, adaptive_fill_density, adaptive_infill_extrusion_width);
+        support_line_spacing  = to_line_spacing(support_cnt, support_fill_density, support_infill_extrusion_width);
+    }
+
+    return std::make_pair(adaptive_line_spacing, support_line_spacing);
+}
+
+void FillAdaptive::_fill_surface_single(const FillParams &             params,
+                                        unsigned int                   thickness_layers,
+                                        const std::pair<float, Point> &direction,
+                                        ExPolygon &                    expolygon,
+                                        Polylines &                    polylines_out)
+{
+    if(this->adapt_fill_octree != nullptr)
+        this->generate_infill(params, thickness_layers, direction, expolygon, polylines_out, this->adapt_fill_octree);
+}
+
+void FillAdaptive::generate_infill(const FillParams &             params,
+                                        unsigned int                   thickness_layers,
+                                        const std::pair<float, Point> &direction,
+                                        ExPolygon &                    expolygon,
+                                        Polylines &                    polylines_out,
+                                        FillAdaptive_Internal::Octree *octree)
+{
+    Vec3d rotation = Vec3d((5.0 * M_PI) / 4.0, Geometry::deg2rad(215.264), M_PI / 6.0);
+    Transform3d rotation_matrix = Geometry::assemble_transform(Vec3d::Zero(), rotation, Vec3d::Ones(), Vec3d::Ones());
+
+    // Store grouped lines by its direction (multiple of 120°)
+    std::vector<Lines> infill_lines_dir(3);
+    this->generate_infill_lines(octree->root_cube.get(),
+                                this->z, octree->origin, rotation_matrix,
+                                infill_lines_dir, octree->cubes_properties,
+                                int(octree->cubes_properties.size()) - 1);
+
+    Polylines all_polylines;
+    all_polylines.reserve(infill_lines_dir[0].size() * 3);
+    for (Lines &infill_lines : infill_lines_dir)
+    {
+        for (const Line &line : infill_lines)
+        {
+            all_polylines.emplace_back(line.a, line.b);
+        }
+    }
+
+    if (params.dont_connect)
+    {
+        // Crop all polylines
+        polylines_out = intersection_pl(all_polylines, to_polygons(expolygon));
+    }
+    else
+    {
+        // Crop all polylines
+        all_polylines = intersection_pl(all_polylines, to_polygons(expolygon));
+
+        Polylines boundary_polylines;
+        Polylines non_boundary_polylines;
+        for (const Polyline &polyline : all_polylines)
+        {
+            // connect_infill required all polylines to touch the boundary.
+            if(polyline.lines().size() == 1 && expolygon.has_boundary_point(polyline.lines().front().a) && expolygon.has_boundary_point(polyline.lines().front().b))
+            {
+                boundary_polylines.push_back(polyline);
+            }
+            else
+            {
+                non_boundary_polylines.push_back(polyline);
+            }
+        }
+
+        if(!boundary_polylines.empty())
+        {
+            boundary_polylines = chain_polylines(boundary_polylines);
+            FillAdaptive::connect_infill(std::move(boundary_polylines), expolygon, polylines_out, this->spacing, params);
+        }
+
+        polylines_out.insert(polylines_out.end(), non_boundary_polylines.begin(), non_boundary_polylines.end());
+    }
+
+#ifdef SLIC3R_DEBUG_SLICE_PROCESSING
+    {
+        static int iRuna = 0;
+        BoundingBox bbox_svg = this->bounding_box;
+        {
+            ::Slic3r::SVG svg(debug_out_path("FillAdaptive-%d.svg", iRuna), bbox_svg);
+            for (const Polyline &polyline : polylines_out)
+            {
+                for (const Line &line : polyline.lines())
+                {
+                    Point from = line.a;
+                    Point to = line.b;
+                    Point diff = to - from;
+
+                    float shrink_length = scale_(0.4);
+                    float line_slope = (float)diff.y() / diff.x();
+                    float shrink_x = shrink_length / (float)std::sqrt(1.0 + (line_slope * line_slope));
+                    float shrink_y = line_slope * shrink_x;
+
+                    to.x() -= shrink_x;
+                    to.y() -= shrink_y;
+                    from.x() += shrink_x;
+                    from.y() += shrink_y;
+
+                    svg.draw(Line(from, to));
+                }
+            }
+        }
+
+        iRuna++;
+    }
+#endif /* SLIC3R_DEBUG */
+}
+
+void FillAdaptive::generate_infill_lines(
+        FillAdaptive_Internal::Cube *cube,
+        double z_position,
+        const Vec3d &origin,
+        const Transform3d &rotation_matrix,
+        std::vector<Lines> &dir_lines_out,
+        const std::vector<FillAdaptive_Internal::CubeProperties> &cubes_properties,
+        int depth)
+{
+    using namespace FillAdaptive_Internal;
+
+    if(cube == nullptr)
+    {
+        return;
+    }
+
+    Vec3d cube_center_tranformed = rotation_matrix * cube->center;
+    double z_diff = std::abs(z_position - cube_center_tranformed.z());
+
+    if (z_diff > cubes_properties[depth].height / 2)
+    {
+        return;
+    }
+
+    if (z_diff < cubes_properties[depth].line_z_distance)
+    {
+        Point from(
+                scale_((cubes_properties[depth].diagonal_length / 2) * (cubes_properties[depth].line_z_distance - z_diff) / cubes_properties[depth].line_z_distance),
+                scale_(cubes_properties[depth].line_xy_distance - ((z_position - (cube_center_tranformed.z() - cubes_properties[depth].line_z_distance)) / sqrt(2))));
+        Point to(-from.x(), from.y());
+        // Relative to cube center
+
+        double rotation_angle = (2.0 * M_PI) / 3.0;
+        for (Lines &lines : dir_lines_out)
+        {
+            Vec3d offset = cube_center_tranformed - (rotation_matrix * origin);
+            Point from_abs(from), to_abs(to);
+
+            from_abs.x() += int(scale_(offset.x()));
+            from_abs.y() += int(scale_(offset.y()));
+            to_abs.x() += int(scale_(offset.x()));
+            to_abs.y() += int(scale_(offset.y()));
+
+//            lines.emplace_back(from_abs, to_abs);
+            this->connect_lines(lines, Line(from_abs, to_abs));
+
+            from.rotate(rotation_angle);
+            to.rotate(rotation_angle);
+        }
+    }
+
+    for(const std::unique_ptr<Cube> &child : cube->children)
+    {
+        if(child != nullptr)
+        {
+            generate_infill_lines(child.get(), z_position, origin, rotation_matrix, dir_lines_out, cubes_properties, depth - 1);
+        }
+    }
+}
+
+void FillAdaptive::connect_lines(Lines &lines, Line new_line)
+{
+    auto eps = int(scale_(0.10));
+    for (size_t i = 0; i < lines.size(); ++i)
+    {
+        if (std::abs(new_line.a.x() - lines[i].b.x()) < eps && std::abs(new_line.a.y() - lines[i].b.y()) < eps)
+        {
+            new_line.a = lines[i].a;
+            lines.erase(lines.begin() + i);
+            --i;
+            continue;
+        }
+
+        if (std::abs(new_line.b.x() - lines[i].a.x()) < eps && std::abs(new_line.b.y() - lines[i].a.y()) < eps)
+        {
+            new_line.b = lines[i].b;
+            lines.erase(lines.begin() + i);
+            --i;
+            continue;
+        }
+    }
+
+    lines.emplace_back(new_line.a, new_line.b);
+}
+
+std::unique_ptr<FillAdaptive_Internal::Octree> FillAdaptive::build_octree(
+    TriangleMesh &triangle_mesh,
+    coordf_t line_spacing,
+    const Vec3d &cube_center)
+{
+    using namespace FillAdaptive_Internal;
+
+    if(line_spacing <= 0 || std::isnan(line_spacing))
+    {
+        return nullptr;
+    }
+
+    Vec3d bb_size = triangle_mesh.bounding_box().size();
+    // The furthest point from the center of the bottom of the mesh bounding box.
+    double furthest_point = std::sqrt(((bb_size.x() * bb_size.x()) / 4.0) +
+                                      ((bb_size.y() * bb_size.y()) / 4.0) +
+                                      (bb_size.z() * bb_size.z()));
+    double max_cube_edge_length = furthest_point * 2;
+
+    std::vector<CubeProperties> cubes_properties;
+    for (double edge_length = (line_spacing * 2); edge_length < (max_cube_edge_length * 2); edge_length *= 2)
+    {
+        CubeProperties props{};
+        props.edge_length = edge_length;
+        props.height = edge_length * sqrt(3);
+        props.diagonal_length = edge_length * sqrt(2);
+        props.line_z_distance = edge_length / sqrt(3);
+        props.line_xy_distance = edge_length / sqrt(6);
+        cubes_properties.push_back(props);
+    }
+
+    if (triangle_mesh.its.vertices.empty())
+    {
+        triangle_mesh.require_shared_vertices();
+    }
+
+    AABBTreeIndirect::Tree3f aabbTree = AABBTreeIndirect::build_aabb_tree_over_indexed_triangle_set(
+            triangle_mesh.its.vertices, triangle_mesh.its.indices);
+    auto octree = std::make_unique<Octree>(std::make_unique<Cube>(cube_center), cube_center, cubes_properties);
+
+    FillAdaptive::expand_cube(octree->root_cube.get(), cubes_properties, aabbTree, triangle_mesh, int(cubes_properties.size()) - 1);
+
+    return octree;
+}
+
+void FillAdaptive::expand_cube(
+    FillAdaptive_Internal::Cube *cube,
+    const std::vector<FillAdaptive_Internal::CubeProperties> &cubes_properties,
+    const AABBTreeIndirect::Tree3f &distance_tree,
+    const TriangleMesh &triangle_mesh, int depth)
+{
+    using namespace FillAdaptive_Internal;
+
+    if (cube == nullptr || depth == 0)
+    {
+        return;
+    }
+
+    std::vector<Vec3d> child_centers = {
+        Vec3d(-1, -1, -1), Vec3d( 1, -1, -1), Vec3d(-1,  1, -1), Vec3d( 1,  1, -1),
+        Vec3d(-1, -1,  1), Vec3d( 1, -1,  1), Vec3d(-1,  1,  1), Vec3d( 1,  1,  1)
+    };
+
+    double cube_radius_squared = (cubes_properties[depth].height * cubes_properties[depth].height) / 16;
+
+    for (size_t i = 0; i < 8; ++i)
+    {
+        const Vec3d &child_center = child_centers[i];
+        Vec3d child_center_transformed = cube->center + (child_center * (cubes_properties[depth].edge_length / 4));
+
+        if(AABBTreeIndirect::is_any_triangle_in_radius(triangle_mesh.its.vertices, triangle_mesh.its.indices,
+            distance_tree, child_center_transformed, cube_radius_squared))
+        {
+            cube->children[i] = std::make_unique<Cube>(child_center_transformed);
+            FillAdaptive::expand_cube(cube->children[i].get(), cubes_properties, distance_tree, triangle_mesh, depth - 1);
+        }
+    }
+}
+
+void FillAdaptive_Internal::Octree::propagate_point(
+    Vec3d                                                     point,
+    FillAdaptive_Internal::Cube *                             current,
+    int                                                       depth,
+    const std::vector<FillAdaptive_Internal::CubeProperties> &cubes_properties)
+{
+    using namespace FillAdaptive_Internal;
+
+    if(depth <= 0)
+    {
+        return;
+    }
+
+    size_t octant_idx = Octree::find_octant(point, current->center);
+    Cube * child = current->children[octant_idx].get();
+
+    // Octant not exists, then create it
+    if(child == nullptr) {
+        std::vector<Vec3d> child_centers = {
+            Vec3d(-1, -1, -1), Vec3d( 1, -1, -1), Vec3d(-1,  1, -1), Vec3d( 1,  1, -1),
+            Vec3d(-1, -1,  1), Vec3d( 1, -1,  1), Vec3d(-1,  1,  1), Vec3d( 1,  1,  1)
+        };
+
+        const Vec3d &child_center = child_centers[octant_idx];
+        Vec3d child_center_transformed = current->center + (child_center * (cubes_properties[depth].edge_length / 4));
+
+        current->children[octant_idx] = std::make_unique<Cube>(child_center_transformed);
+        child = current->children[octant_idx].get();
+    }
+
+    Octree::propagate_point(point, child, (depth - 1), cubes_properties);
+}
+
+std::unique_ptr<FillAdaptive_Internal::Octree> FillSupportCubic::build_octree(
+    TriangleMesh &     triangle_mesh,
+    coordf_t           line_spacing,
+    const Vec3d &      cube_center,
+    const Transform3d &rotation_matrix)
+{
+    using namespace FillAdaptive_Internal;
+
+    if(line_spacing <= 0 || std::isnan(line_spacing))
+    {
+        return nullptr;
+    }
+
+    Vec3d bb_size = triangle_mesh.bounding_box().size();
+    // The furthest point from the center of the bottom of the mesh bounding box.
+    double furthest_point = std::sqrt(((bb_size.x() * bb_size.x()) / 4.0) +
+                                      ((bb_size.y() * bb_size.y()) / 4.0) +
+                                      (bb_size.z() * bb_size.z()));
+    double max_cube_edge_length = furthest_point * 2;
+
+    std::vector<CubeProperties> cubes_properties;
+    for (double edge_length = (line_spacing * 2); edge_length < (max_cube_edge_length * 2); edge_length *= 2)
+    {
+        CubeProperties props{};
+        props.edge_length = edge_length;
+        props.height = edge_length * sqrt(3);
+        props.diagonal_length = edge_length * sqrt(2);
+        props.line_z_distance = edge_length / sqrt(3);
+        props.line_xy_distance = edge_length / sqrt(6);
+        cubes_properties.push_back(props);
+    }
+
+    if (triangle_mesh.its.vertices.empty())
+    {
+        triangle_mesh.require_shared_vertices();
+    }
+
+    AABBTreeIndirect::Tree3f aabbTree = AABBTreeIndirect::build_aabb_tree_over_indexed_triangle_set(
+        triangle_mesh.its.vertices, triangle_mesh.its.indices);
+
+    auto octree = std::make_unique<Octree>(std::make_unique<Cube>(cube_center), cube_center, cubes_properties);
+
+    double cube_edge_length = line_spacing / 2.0;
+    int max_depth = int(octree->cubes_properties.size()) - 1;
+    BoundingBoxf3 mesh_bb = triangle_mesh.bounding_box();
+    Vec3f vertical(0, 0, 1);
+
+    for (size_t facet_idx = 0; facet_idx < triangle_mesh.stl.facet_start.size(); ++facet_idx)
+    {
+        if(triangle_mesh.stl.facet_start[facet_idx].normal.dot(vertical) <= 0.707)
+        {
+            // The angle is smaller than PI/4, than infill don't to be there
+            continue;
+        }
+
+        stl_vertex v_1 = triangle_mesh.stl.facet_start[facet_idx].vertex[0];
+        stl_vertex v_2 = triangle_mesh.stl.facet_start[facet_idx].vertex[1];
+        stl_vertex v_3 = triangle_mesh.stl.facet_start[facet_idx].vertex[2];
+
+        std::vector<Vec3d> triangle_vertices =
+            {Vec3d(v_1.x(), v_1.y(), v_1.z()),
+             Vec3d(v_2.x(), v_2.y(), v_2.z()),
+             Vec3d(v_3.x(), v_3.y(), v_3.z())};
+
+        BoundingBoxf3 triangle_bb(triangle_vertices);
+
+        Vec3d triangle_start_relative = triangle_bb.min - mesh_bb.min;
+        Vec3d triangle_end_relative   = triangle_bb.max - mesh_bb.min;
+
+        Vec3crd triangle_start_idx = Vec3crd(
+            int(std::floor(triangle_start_relative.x() / cube_edge_length)),
+            int(std::floor(triangle_start_relative.y() / cube_edge_length)),
+            int(std::floor(triangle_start_relative.z() / cube_edge_length)));
+        Vec3crd triangle_end_idx = Vec3crd(
+            int(std::floor(triangle_end_relative.x() / cube_edge_length)),
+            int(std::floor(triangle_end_relative.y() / cube_edge_length)),
+            int(std::floor(triangle_end_relative.z() / cube_edge_length)));
+
+        for (int z = triangle_start_idx.z(); z <= triangle_end_idx.z(); ++z)
+        {
+            for (int y = triangle_start_idx.y(); y <= triangle_end_idx.y(); ++y)
+            {
+                for (int x = triangle_start_idx.x(); x <= triangle_end_idx.x(); ++x)
+                {
+                    Vec3d cube_center_relative(x * cube_edge_length + (cube_edge_length / 2.0), y * cube_edge_length + (cube_edge_length / 2.0), z * cube_edge_length);
+                    Vec3d cube_center_absolute = cube_center_relative + mesh_bb.min;
+
+                    double cube_center_absolute_arr[3] = {cube_center_absolute.x(), cube_center_absolute.y(), cube_center_absolute.z()};
+                    double distance = 0, cord_u = 0, cord_v = 0;
+
+                    double dir[3] = {0.0, 0.0, 1.0};
+
+                    double vert_0[3] = {triangle_vertices[0].x(),
+                                        triangle_vertices[0].y(),
+                                        triangle_vertices[0].z()};
+                    double vert_1[3] = {triangle_vertices[1].x(),
+                                        triangle_vertices[1].y(),
+                                        triangle_vertices[1].z()};
+                    double vert_2[3] = {triangle_vertices[2].x(),
+                                        triangle_vertices[2].y(),
+                                        triangle_vertices[2].z()};
+
+                    if(intersect_triangle(cube_center_absolute_arr, dir, vert_0, vert_1, vert_2, &distance, &cord_u, &cord_v) && distance > 0 && distance <= cube_edge_length)
+                    {
+                        Vec3d cube_center_transformed(cube_center_absolute.x(), cube_center_absolute.y(), cube_center_absolute.z() + (cube_edge_length / 2.0));
+                        Octree::propagate_point(rotation_matrix * cube_center_transformed, octree->root_cube.get(), max_depth, octree->cubes_properties);
+                    }
+                }
+            }
+        }
+    }
+
+    return octree;
+}
+
+void FillSupportCubic::_fill_surface_single(const FillParams &             params,
+                                            unsigned int                   thickness_layers,
+                                            const std::pair<float, Point> &direction,
+                                            ExPolygon &                    expolygon,
+                                            Polylines &                    polylines_out)
+{
+    if (this->support_fill_octree != nullptr)
+        this->generate_infill(params, thickness_layers, direction, expolygon, polylines_out, this->support_fill_octree);
+}
+
+} // namespace Slic3r

src/libslic3r/Fill/FillAdaptive.hpp

@@ -0,0 +1,139 @@
+#ifndef slic3r_FillAdaptive_hpp_
+#define slic3r_FillAdaptive_hpp_
+
+#include "../AABBTreeIndirect.hpp"
+
+#include "FillBase.hpp"
+
+namespace Slic3r {
+
+class PrintObject;
+class TriangleMesh;
+
+namespace FillAdaptive_Internal
+{
+    struct CubeProperties
+    {
+        double edge_length;     // Lenght of edge of a cube
+        double height;          // Height of rotated cube (standing on the corner)
+        double diagonal_length; // Length of diagonal of a cube a face
+        double line_z_distance; // Defines maximal distance from a center of a cube on Z axis on which lines will be created
+        double line_xy_distance;// Defines maximal distance from a center of a cube on X and Y axis on which lines will be created
+    };
+
+    struct Cube
+    {
+        Vec3d center;
+        std::unique_ptr<Cube> children[8] = {};
+        Cube(const Vec3d &center) : center(center) {}
+    };
+
+    struct Octree
+    {
+        std::unique_ptr<Cube> root_cube;
+        Vec3d origin;
+        std::vector<CubeProperties> cubes_properties;
+
+        Octree(std::unique_ptr<Cube> rootCube, const Vec3d &origin, const std::vector<CubeProperties> &cubes_properties)
+            : root_cube(std::move(rootCube)), origin(origin), cubes_properties(cubes_properties) {}
+
+        inline static int find_octant(const Vec3d &i_cube, const Vec3d &current)
+        {
+            return (i_cube.z() > current.z()) * 4 + (i_cube.y() > current.y()) * 2 + (i_cube.x() > current.x());
+        }
+
+        static void propagate_point(
+            Vec3d                        point,
+            FillAdaptive_Internal::Cube *current_cube,
+            int                          depth,
+            const std::vector<FillAdaptive_Internal::CubeProperties> &cubes_properties);
+    };
+}; // namespace FillAdaptive_Internal
+
+//
+// Some of the algorithms used by class FillAdaptive were inspired by
+// Cura Engine's class SubDivCube
+// https://github.com/Ultimaker/CuraEngine/blob/master/src/infill/SubDivCube.h
+//
+class FillAdaptive : public Fill
+{
+public:
+    virtual ~FillAdaptive() {}
+
+protected:
+    virtual Fill* clone() const { return new FillAdaptive(*this); };
+	virtual void _fill_surface_single(
+	    const FillParams                &params,
+	    unsigned int                     thickness_layers,
+	    const std::pair<float, Point>   &direction,
+	    ExPolygon                       &expolygon,
+	    Polylines                       &polylines_out);
+
+	virtual bool no_sort() const { return true; }
+
+    void generate_infill_lines(
+        FillAdaptive_Internal::Cube *cube,
+        double                       z_position,
+        const Vec3d &                origin,
+        const Transform3d &          rotation_matrix,
+        std::vector<Lines> &         dir_lines_out,
+        const std::vector<FillAdaptive_Internal::CubeProperties> &cubes_properties,
+        int  depth);
+
+    static void connect_lines(Lines &lines, Line new_line);
+
+    void generate_infill(const FillParams &             params,
+                         unsigned int                   thickness_layers,
+                         const std::pair<float, Point> &direction,
+                         ExPolygon &                    expolygon,
+                         Polylines &                    polylines_out,
+                         FillAdaptive_Internal::Octree *octree);
+
+public:
+    static std::unique_ptr<FillAdaptive_Internal::Octree> build_octree(
+        TriangleMesh &triangle_mesh,
+        coordf_t      line_spacing,
+        const Vec3d & cube_center);
+
+    static void expand_cube(
+        FillAdaptive_Internal::Cube *cube,
+        const std::vector<FillAdaptive_Internal::CubeProperties> &cubes_properties,
+        const AABBTreeIndirect::Tree3f &distance_tree,
+        const TriangleMesh &            triangle_mesh,
+        int                             depth);
+};
+
+class FillSupportCubic : public FillAdaptive
+{
+public:
+    virtual ~FillSupportCubic() = default;
+
+protected:
+    virtual Fill* clone() const { return new FillSupportCubic(*this); };
+
+    virtual bool no_sort() const { return true; }
+
+    virtual void _fill_surface_single(
+        const FillParams                &params,
+        unsigned int                     thickness_layers,
+        const std::pair<float, Point>   &direction,
+        ExPolygon                       &expolygon,
+        Polylines                       &polylines_out);
+
+public:
+    static std::unique_ptr<FillAdaptive_Internal::Octree> build_octree(
+        TriangleMesh &     triangle_mesh,
+        coordf_t           line_spacing,
+        const Vec3d &      cube_center,
+        const Transform3d &rotation_matrix);
+};
+
+// Calculate line spacing for
+// 1) adaptive cubic infill
+// 2) adaptive internal support cubic infill
+// Returns zero for a particular infill type if no such infill is to be generated.
+std::pair<double, double> adaptive_fill_line_spacing(const PrintObject &print_object);
+
+} // namespace Slic3r
+
+#endif // slic3r_FillAdaptive_hpp_

src/libslic3r/Fill/FillBase.cpp

@@ -16,6 +16,7 @@
 #include "FillRectilinear.hpp"
 #include "FillRectilinear2.hpp"
 #include "FillRectilinear3.hpp"
+#include "FillAdaptive.hpp"
 
 namespace Slic3r {
 
@@ -37,7 +38,9 @@ Fill* Fill::new_from_type(const InfillPattern type)
     case ipArchimedeanChords:   return new FillArchimedeanChords();
     case ipHilbertCurve:        return new FillHilbertCurve();
     case ipOctagramSpiral:      return new FillOctagramSpiral();
-    default: throw std::invalid_argument("unknown type");
+    case ipAdaptiveCubic:       return new FillAdaptive();
+    case ipSupportCubic:        return new FillSupportCubic();
+    default: throw Slic3r::InvalidArgument("unknown type");
     }
 }
 

src/libslic3r/Fill/FillBase.hpp

@@ -11,6 +11,7 @@
 
 #include "../libslic3r.h"
 #include "../BoundingBox.hpp"
+#include "../Exception.hpp"
 #include "../Utils.hpp"
 
 namespace Slic3r {
@@ -19,9 +20,14 @@ class ExPolygon;
 class Surface;
 enum InfillPattern : int;
 
-class InfillFailedException : public std::runtime_error {
+namespace FillAdaptive_Internal {
+    struct Octree;
+};
+
+// Infill shall never fail, therefore the error is classified as RuntimeError, not SlicingError.
+class InfillFailedException : public Slic3r::RuntimeError {
 public:
-    InfillFailedException() : std::runtime_error("Infill failed") {}
+    InfillFailedException() : Slic3r::RuntimeError("Infill failed") {}
 };
 
 struct FillParams
@@ -69,6 +75,11 @@ public:
     // In scaled coordinates. Bounding box of the 2D projection of the object.
     BoundingBox bounding_box;
 
+    // Octree builds on mesh for usage in the adaptive cubic infill
+    FillAdaptive_Internal::Octree* adapt_fill_octree = nullptr;
+    // Octree builds on mesh for usage in the support cubic infill
+    FillAdaptive_Internal::Octree* support_fill_octree = nullptr;
+
 public:
     virtual ~Fill() {}
 

src/libslic3r/Flow.cpp

@@ -53,7 +53,7 @@ static inline FlowRole opt_key_to_flow_role(const std::string &opt_key)
 	else if (opt_key == "support_material_extrusion_width")
     	return frSupportMaterial;
     else 
-    	throw std::runtime_error("opt_key_to_flow_role: invalid argument");
+    	throw Slic3r::RuntimeError("opt_key_to_flow_role: invalid argument");
 };
 
 static inline void throw_on_missing_variable(const std::string &opt_key, const char *dependent_opt_key) 
@@ -126,7 +126,7 @@ Flow Flow::new_from_config_width(FlowRole role, const ConfigOptionFloatOrPercent
 {
     // we need layer height unless it's a bridge
     if (height <= 0 && bridge_flow_ratio == 0) 
-        throw std::invalid_argument("Invalid flow height supplied to new_from_config_width()");
+        throw Slic3r::InvalidArgument("Invalid flow height supplied to new_from_config_width()");
 
     float w;
     if (bridge_flow_ratio > 0) {
@@ -151,7 +151,7 @@ Flow Flow::new_from_spacing(float spacing, float nozzle_diameter, float height,
 {
     // we need layer height unless it's a bridge
     if (height <= 0 && !bridge) 
-        throw std::invalid_argument("Invalid flow height supplied to new_from_spacing()");
+        throw Slic3r::InvalidArgument("Invalid flow height supplied to new_from_spacing()");
     // Calculate width from spacing.
     // For normal extrusons, extrusion width is wider than the spacing due to the rounding and squishing of the extrusions.
     // For bridge extrusions, the extrusions are placed with a tiny BRIDGE_EXTRA_SPACING gaps between the threads.

src/libslic3r/Flow.hpp

@@ -3,6 +3,7 @@
 
 #include "libslic3r.h"
 #include "Config.hpp"
+#include "Exception.hpp"
 #include "ExtrusionEntity.hpp"
 
 namespace Slic3r {
@@ -27,11 +28,11 @@ enum FlowRole {
     frSupportMaterialInterface,
 };
 
-class FlowError : public std::invalid_argument
+class FlowError : public Slic3r::InvalidArgument
 {
 public:
-	FlowError(const std::string& what_arg) : invalid_argument(what_arg) {}
+	FlowError(const std::string& what_arg) : Slic3r::InvalidArgument(what_arg) {}
-	FlowError(const char* what_arg) : invalid_argument(what_arg) {}
+	FlowError(const char* what_arg) : Slic3r::InvalidArgument(what_arg) {}
 };
 
 class FlowErrorNegativeSpacing : public FlowError

src/libslic3r/Format/3mf.cpp

@@ -1,9 +1,11 @@
 #include "../libslic3r.h"
+#include "../Exception.hpp"
 #include "../Model.hpp"
 #include "../Utils.hpp"
 #include "../GCode.hpp"
 #include "../Geometry.hpp"
 #include "../GCode/ThumbnailData.hpp"
+#include "../Time.hpp"
 
 #include "../I18N.hpp"
 
@@ -85,6 +87,8 @@ const char* OBJECTID_ATTR = "objectid";
 const char* TRANSFORM_ATTR = "transform";
 const char* PRINTABLE_ATTR = "printable";
 const char* INSTANCESCOUNT_ATTR = "instances_count";
+const char* CUSTOM_SUPPORTS_ATTR = "slic3rpe:custom_supports";
+const char* CUSTOM_SEAM_ATTR = "slic3rpe:custom_seam";
 
 const char* KEY_ATTR = "key";
 const char* VALUE_ATTR = "value";
@@ -120,11 +124,11 @@ const char* INVALID_OBJECT_TYPES[] =
     "other"
 };
 
-class version_error : public std::runtime_error
+class version_error : public Slic3r::FileIOError
 {
 public:
-    version_error(const std::string& what_arg) : std::runtime_error(what_arg) {}
+    version_error(const std::string& what_arg) : Slic3r::FileIOError(what_arg) {}
-    version_error(const char* what_arg) : std::runtime_error(what_arg) {}
+    version_error(const char* what_arg) : Slic3r::FileIOError(what_arg) {}
 };
 
 const char* get_attribute_value_charptr(const char** attributes, unsigned int attributes_size, const char* attribute_key)
@@ -282,6 +286,8 @@ namespace Slic3r {
         {
             std::vector<float> vertices;
             std::vector<unsigned int> triangles;
+            std::vector<std::string> custom_supports;
+            std::vector<std::string> custom_seam;
 
             bool empty()
             {
@@ -292,6 +298,8 @@ namespace Slic3r {
             {
                 vertices.clear();
                 triangles.clear();
+                custom_supports.clear();
+                custom_seam.clear();
             }
         };
 
@@ -600,7 +608,7 @@ namespace Slic3r {
                     {
                         // ensure the zip archive is closed and rethrow the exception
                         close_zip_reader(&archive);
-                        throw std::runtime_error(e.what());
+                        throw Slic3r::FileIOError(e.what());
                     }
                 }
             }
@@ -773,7 +781,7 @@ namespace Slic3r {
                 {
                     char error_buf[1024];
                     ::sprintf(error_buf, "Error (%s) while parsing '%s' at line %d", XML_ErrorString(XML_GetErrorCode(data->parser)), data->stat.m_filename, (int)XML_GetCurrentLineNumber(data->parser));
-                    throw std::runtime_error(error_buf);
+                    throw Slic3r::FileIOError(error_buf);
                 }
 
                 return n;
@@ -782,7 +790,7 @@ namespace Slic3r {
         catch (const version_error& e)
         {
             // rethrow the exception
-            throw std::runtime_error(e.what());
+            throw Slic3r::FileIOError(e.what());
         }
         catch (std::exception& e)
         {
@@ -1111,6 +1119,15 @@ namespace Slic3r {
                                                       float(std::atof(object_data_points[i+7].c_str())));
                 }
 
+                // The holes are saved elevated above the mesh and deeper (bad idea indeed).
+                // This is retained for compatibility.
+                // Place the hole to the mesh and make it shallower to compensate.
+                // The offset is 1 mm above the mesh.
+                for (sla::DrainHole& hole : sla_drain_holes) {
+                    hole.pos += hole.normal.normalized();
+                    hole.height -= 1.f;
+                }
+                
                 if (!sla_drain_holes.empty())
                     m_sla_drain_holes.insert(IdToSlaDrainHolesMap::value_type(object_id, sla_drain_holes));
             }
@@ -1538,6 +1555,9 @@ namespace Slic3r {
         m_curr_object.geometry.triangles.push_back((unsigned int)get_attribute_value_int(attributes, num_attributes, V1_ATTR));
         m_curr_object.geometry.triangles.push_back((unsigned int)get_attribute_value_int(attributes, num_attributes, V2_ATTR));
         m_curr_object.geometry.triangles.push_back((unsigned int)get_attribute_value_int(attributes, num_attributes, V3_ATTR));
+
+        m_curr_object.geometry.custom_supports.push_back(get_attribute_value_string(attributes, num_attributes, CUSTOM_SUPPORTS_ATTR));
+        m_curr_object.geometry.custom_seam.push_back(get_attribute_value_string(attributes, num_attributes, CUSTOM_SEAM_ATTR));
         return true;
     }
 
@@ -1871,6 +1891,18 @@ namespace Slic3r {
                 volume->source.transform = Slic3r::Geometry::Transformation(volume_matrix_to_object);
             volume->calculate_convex_hull();
 
+            // recreate custom supports and seam from previously loaded attribute
+            for (unsigned i=0; i<triangles_count; ++i) {
+                size_t index = src_start_id/3 + i;
+                assert(index < geometry.custom_supports.size());
+                assert(index < geometry.custom_seam.size());
+                if (! geometry.custom_supports[index].empty())
+                    volume->m_supported_facets.set_triangle_from_string(i, geometry.custom_supports[index]);
+                if (! geometry.custom_seam[index].empty())
+                    volume->m_seam_facets.set_triangle_from_string(i, geometry.custom_seam[index]);
+            }
+
+
             // apply the remaining volume's metadata
             for (const Metadata& metadata : volume_data.metadata)
             {
@@ -1991,7 +2023,7 @@ namespace Slic3r {
         bool _add_content_types_file_to_archive(mz_zip_archive& archive);
         bool _add_thumbnail_file_to_archive(mz_zip_archive& archive, const ThumbnailData& thumbnail_data);
         bool _add_relationships_file_to_archive(mz_zip_archive& archive);
-        bool _add_model_file_to_archive(mz_zip_archive& archive, const Model& model, IdToObjectDataMap &objects_data);
+        bool _add_model_file_to_archive(const std::string& filename, mz_zip_archive& archive, const Model& model, IdToObjectDataMap& objects_data);
         bool _add_object_to_model_stream(std::stringstream& stream, unsigned int& object_id, ModelObject& object, BuildItemsList& build_items, VolumeToOffsetsMap& volumes_offsets);
         bool _add_mesh_to_object_stream(std::stringstream& stream, ModelObject& object, VolumeToOffsetsMap& volumes_offsets);
         bool _add_build_to_model_stream(std::stringstream& stream, const BuildItemsList& build_items);
@@ -2054,7 +2086,7 @@ namespace Slic3r {
         // Adds model file ("3D/3dmodel.model").
         // This is the one and only file that contains all the geometry (vertices and triangles) of all ModelVolumes.
         IdToObjectDataMap objects_data;
-        if (!_add_model_file_to_archive(archive, model, objects_data))
+        if (!_add_model_file_to_archive(filename, archive, model, objects_data))
         {
             close_zip_writer(&archive);
             boost::filesystem::remove(filename);
@@ -2203,7 +2235,7 @@ namespace Slic3r {
         return true;
     }
 
-	bool _3MF_Exporter::_add_model_file_to_archive(mz_zip_archive& archive, const Model& model, IdToObjectDataMap &objects_data)
+    bool _3MF_Exporter::_add_model_file_to_archive(const std::string& filename, mz_zip_archive& archive, const Model& model, IdToObjectDataMap& objects_data)
     {
         std::stringstream stream;
         // https://en.cppreference.com/w/cpp/types/numeric_limits/max_digits10
@@ -2214,6 +2246,19 @@ namespace Slic3r {
         stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
         stream << "<" << MODEL_TAG << " unit=\"millimeter\" xml:lang=\"en-US\" xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\" xmlns:slic3rpe=\"http://schemas.slic3r.org/3mf/2017/06\">\n";
         stream << " <" << METADATA_TAG << " name=\"" << SLIC3RPE_3MF_VERSION << "\">" << VERSION_3MF << "</" << METADATA_TAG << ">\n";
+        std::string name = boost::filesystem::path(filename).stem().string();
+        stream << " <" << METADATA_TAG << " name=\"Title\">" << name << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"Designer\">" << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"Description\">" << name << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"Copyright\">" << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"LicenseTerms\">" << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"Rating\">" << "</" << METADATA_TAG << ">\n";
+        std::string date = Slic3r::Utils::utc_timestamp(Slic3r::Utils::get_current_time_utc());
+        // keep only the date part of the string
+        date = date.substr(0, 10);
+        stream << " <" << METADATA_TAG << " name=\"CreationDate\">" << date << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"ModificationDate\">" << date << "</" << METADATA_TAG << ">\n";
+        stream << " <" << METADATA_TAG << " name=\"Application\">" << SLIC3R_APP_KEY << "-" << SLIC3R_VERSION << "</" << METADATA_TAG << ">\n";
         stream << " <" << RESOURCES_TAG << ">\n";
 
         // Instance transformations, indexed by the 3MF object ID (which is a linear serialization of all instances of all ModelObjects).
@@ -2316,9 +2361,9 @@ namespace Slic3r {
                 continue;
 
 			if (!volume->mesh().repaired)
-				throw std::runtime_error("store_3mf() requires repair()");
+				throw Slic3r::FileIOError("store_3mf() requires repair()");
 			if (!volume->mesh().has_shared_vertices())
-				throw std::runtime_error("store_3mf() requires shared vertices");
+				throw Slic3r::FileIOError("store_3mf() requires shared vertices");
 
             volumes_offsets.insert(VolumeToOffsetsMap::value_type(volume, Offsets(vertices_count))).first;
 
@@ -2369,6 +2414,15 @@ namespace Slic3r {
                 {
                     stream << "v" << j + 1 << "=\"" << its.indices[i][j] + volume_it->second.first_vertex_id << "\" ";
                 }
+
+                std::string custom_supports_data_string = volume->m_supported_facets.get_triangle_as_string(i);
+                if (! custom_supports_data_string.empty())
+                    stream << CUSTOM_SUPPORTS_ATTR << "=\"" << custom_supports_data_string << "\" ";
+
+                std::string custom_seam_data_string = volume->m_seam_facets.get_triangle_as_string(i);
+                if (! custom_seam_data_string.empty())
+                    stream << CUSTOM_SEAM_ATTR << "=\"" << custom_seam_data_string << "\" ";
+
                 stream << "/>\n";
             }
         }
@@ -2559,7 +2613,18 @@ namespace Slic3r {
         for (const ModelObject* object : model.objects)
         {
             ++count;
-            auto& drain_holes = object->sla_drain_holes;
+            sla::DrainHoles drain_holes = object->sla_drain_holes;
+
+            // The holes were placed 1mm above the mesh in the first implementation.
+            // This was a bad idea and the reference point was changed in 2.3 so
+            // to be on the mesh exactly. The elevated position is still saved
+            // in 3MFs for compatibility reasons.
+            for (sla::DrainHole& hole : drain_holes) {
+                hole.pos -= hole.normal.normalized();
+                hole.height += 1.f;
+            }
+
+
             if (!drain_holes.empty())
             {
                 out += string_printf(fmt, count);

src/libslic3r/Format/3mf.hpp

@@ -35,6 +35,6 @@ namespace Slic3r {
     // The model could be modified during the export process if meshes are not repaired or have no shared vertices
     extern bool store_3mf(const char* path, Model* model, const DynamicPrintConfig* config, bool fullpath_sources, const ThumbnailData* thumbnail_data = nullptr);
 
-}; // namespace Slic3r
+} // namespace Slic3r
 
 #endif /* slic3r_Format_3mf_hpp_ */

src/libslic3r/Format/AMF.cpp

@@ -7,6 +7,7 @@
 #include <boost/nowide/cstdio.hpp>
 
 #include "../libslic3r.h"
+#include "../Exception.hpp"
 #include "../Model.hpp"
 #include "../GCode.hpp"
 #include "../PrintConfig.hpp"
@@ -923,7 +924,7 @@ bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_fi
             {
                 char error_buf[1024];
                 ::sprintf(error_buf, "Error (%s) while parsing '%s' at line %d", XML_ErrorString(XML_GetErrorCode(data->parser)), data->stat.m_filename, (int)XML_GetCurrentLineNumber(data->parser));
-                throw std::runtime_error(error_buf);
+                throw Slic3r::FileIOError(error_buf);
             }
 
             return n;
@@ -948,9 +949,9 @@ bool extract_model_from_archive(mz_zip_archive& archive, const mz_zip_archive_fi
     if (check_version && (ctx.m_version > VERSION_AMF_COMPATIBLE))
     {
         // std::string msg = _(L("The selected amf file has been saved with a newer version of " + std::string(SLIC3R_APP_NAME) + " and is not compatible."));
-        // throw std::runtime_error(msg.c_str());
+        // throw Slic3r::FileIOError(msg.c_str());
         const std::string msg = (boost::format(_(L("The selected amf file has been saved with a newer version of %1% and is not compatible."))) % std::string(SLIC3R_APP_NAME)).str();
-        throw std::runtime_error(msg);
+        throw Slic3r::FileIOError(msg);
     }
 
     return true;
@@ -994,7 +995,7 @@ bool load_amf_archive(const char* path, DynamicPrintConfig* config, Model* model
                 {
                     // ensure the zip archive is closed and rethrow the exception
                     close_zip_reader(&archive);
-                    throw std::runtime_error(e.what());
+                    throw Slic3r::FileIOError(e.what());
                 }
 
                 break;
@@ -1147,9 +1148,9 @@ bool store_amf(const char* path, Model* model, const DynamicPrintConfig* config,
         for (ModelVolume *volume : object->volumes) {
             vertices_offsets.push_back(num_vertices);
             if (! volume->mesh().repaired)
-                throw std::runtime_error("store_amf() requires repair()");
+                throw Slic3r::FileIOError("store_amf() requires repair()");
 			if (! volume->mesh().has_shared_vertices())
-				throw std::runtime_error("store_amf() requires shared vertices");
+				throw Slic3r::FileIOError("store_amf() requires shared vertices");
             const indexed_triangle_set &its = volume->mesh().its;
             const Transform3d& matrix = volume->get_matrix();
             for (size_t i = 0; i < its.vertices.size(); ++i) {

src/libslic3r/Format/PRUS.cpp

@@ -147,7 +147,7 @@ static void extract_model_from_archive(
         }
     }
     if (! trafo_set)
-        throw std::runtime_error(std::string("Archive ") + path + " does not contain a valid entry in scene.xml for " + name);
+        throw Slic3r::FileIOError(std::string("Archive ") + path + " does not contain a valid entry in scene.xml for " + name);
 
     // Extract the STL.
     StlHeader header;
@@ -266,7 +266,7 @@ static void extract_model_from_archive(
     }
 
     if (! mesh_valid)
-        throw std::runtime_error(std::string("Archive ") + path + " does not contain a valid mesh for " + name);
+        throw Slic3r::FileIOError(std::string("Archive ") + path + " does not contain a valid mesh for " + name);
 
     // Add this mesh to the model.
     ModelVolume *volume = nullptr;
@@ -303,7 +303,7 @@ bool load_prus(const char *path, Model *model)
     mz_bool res              = MZ_FALSE;
     try {
         if (!open_zip_reader(&archive, path))
-            throw std::runtime_error(std::string("Unable to init zip reader for ") + path);
+            throw Slic3r::FileIOError(std::string("Unable to init zip reader for ") + path);
         std::vector<char>           scene_xml_data;
         // For grouping multiple STLs into a single ModelObject for multi-material prints.
         std::map<int, ModelObject*> group_to_model_object;
@@ -316,10 +316,10 @@ bool load_prus(const char *path, Model *model)
             buffer.assign((size_t)stat.m_uncomp_size, 0);
             res = mz_zip_reader_extract_file_to_mem(&archive, stat.m_filename, (char*)buffer.data(), (size_t)stat.m_uncomp_size, 0);
             if (res == MZ_FALSE)
-                std::runtime_error(std::string("Error while extracting a file from ") + path);
+                throw Slic3r::FileIOError(std::string("Error while extracting a file from ") + path);
             if (strcmp(stat.m_filename, "scene.xml") == 0) {
                 if (! scene_xml_data.empty())
-                    throw std::runtime_error(std::string("Multiple scene.xml were found in the archive.") + path);
+                    throw Slic3r::FileIOError(std::string("Multiple scene.xml were found in the archive.") + path);
                 scene_xml_data = std::move(buffer);
             } else if (boost::iends_with(stat.m_filename, ".stl")) {
                 // May throw std::exception

src/libslic3r/Format/SL1.cpp

@@ -8,8 +8,317 @@
 #include "libslic3r/Zipper.hpp"
 #include "libslic3r/SLAPrint.hpp"
 
+#include <sstream>
+
+#include "libslic3r/Exception.hpp"
+#include "libslic3r/SlicesToTriangleMesh.hpp"
+#include "libslic3r/MarchingSquares.hpp"
+#include "libslic3r/ClipperUtils.hpp"
+#include "libslic3r/MTUtils.hpp"
+#include "libslic3r/PrintConfig.hpp"
+#include "libslic3r/SLA/RasterBase.hpp"
+#include "libslic3r/miniz_extension.hpp"
+#include "libslic3r/PNGRead.hpp"
+
+#include <boost/property_tree/ini_parser.hpp>
+#include <boost/filesystem/path.hpp>
+#include <boost/algorithm/string.hpp>
+
+namespace marchsq {
+
+template<> struct _RasterTraits<Slic3r::png::ImageGreyscale> {
+    using Rst = Slic3r::png::ImageGreyscale;
+
+    // The type of pixel cell in the raster
+    using ValueType = uint8_t;
+
+    // Value at a given position
+    static uint8_t get(const Rst &rst, size_t row, size_t col)
+    {
+        return rst.get(row, col);
+    }
+
+    // Number of rows and cols of the raster
+    static size_t rows(const Rst &rst) { return rst.rows; }
+    static size_t cols(const Rst &rst) { return rst.cols; }
+};
+
+} // namespace marchsq
+
 namespace Slic3r {
 
+namespace {
+
+struct PNGBuffer { std::vector<uint8_t> buf; std::string fname; };
+struct ArchiveData {
+    boost::property_tree::ptree profile, config;
+    std::vector<PNGBuffer> images;
+};
+
+static const constexpr char *CONFIG_FNAME  = "config.ini";
+static const constexpr char *PROFILE_FNAME = "prusaslicer.ini";
+
+boost::property_tree::ptree read_ini(const mz_zip_archive_file_stat &entry,
+                                     MZ_Archive &                    zip)
+{
+    std::string buf(size_t(entry.m_uncomp_size), '\0');
+
+    if (!mz_zip_reader_extract_file_to_mem(&zip.arch, entry.m_filename,
+                                           buf.data(), buf.size(), 0))
+        throw Slic3r::FileIOError(zip.get_errorstr());
+
+    boost::property_tree::ptree tree;
+    std::stringstream ss(buf);
+    boost::property_tree::read_ini(ss, tree);
+    return tree;
+}
+
+PNGBuffer read_png(const mz_zip_archive_file_stat &entry,
+                   MZ_Archive &                    zip,
+                   const std::string &             name)
+{
+    std::vector<uint8_t> buf(entry.m_uncomp_size);
+
+    if (!mz_zip_reader_extract_file_to_mem(&zip.arch, entry.m_filename,
+                                           buf.data(), buf.size(), 0))
+        throw Slic3r::FileIOError(zip.get_errorstr());
+
+    return {std::move(buf), (name.empty() ? entry.m_filename : name)};
+}
+
+ArchiveData extract_sla_archive(const std::string &zipfname,
+                                 const std::string &exclude)
+{
+    ArchiveData arch;
+
+    // Little RAII
+    struct Arch: public MZ_Archive {
+        Arch(const std::string &fname) {
+            if (!open_zip_reader(&arch, fname))
+                throw Slic3r::FileIOError(get_errorstr());
+        }
+
+        ~Arch() { close_zip_reader(&arch); }
+    } zip (zipfname);
+
+    mz_uint num_entries = mz_zip_reader_get_num_files(&zip.arch);
+
+    for (mz_uint i = 0; i < num_entries; ++i)
+    {
+        mz_zip_archive_file_stat entry;
+
+        if (mz_zip_reader_file_stat(&zip.arch, i, &entry))
+        {
+            std::string name = entry.m_filename;
+            boost::algorithm::to_lower(name);
+
+            if (boost::algorithm::contains(name, exclude)) continue;
+
+            if (name == CONFIG_FNAME) arch.config = read_ini(entry, zip);
+            if (name == PROFILE_FNAME) arch.profile = read_ini(entry, zip);
+
+            if (boost::filesystem::path(name).extension().string() == ".png") {
+                auto it = std::lower_bound(
+                    arch.images.begin(), arch.images.end(), PNGBuffer{{}, name},
+                    [](const PNGBuffer &r1, const PNGBuffer &r2) {
+                        return std::less<std::string>()(r1.fname, r2.fname);
+                    });
+
+                arch.images.insert(it, read_png(entry, zip, name));
+            }
+        }
+    }
+
+    return arch;
+}
+
+ExPolygons rings_to_expolygons(const std::vector<marchsq::Ring> &rings,
+                               double px_w, double px_h)
+{
+    ExPolygons polys; polys.reserve(rings.size());
+
+    for (const marchsq::Ring &ring : rings) {
+        Polygon poly; Points &pts = poly.points;
+        pts.reserve(ring.size());
+
+        for (const marchsq::Coord &crd : ring)
+            pts.emplace_back(scaled(crd.c * px_w), scaled(crd.r * px_h));
+
+        polys.emplace_back(poly);
+    }
+
+    // reverse the raster transformations
+    return union_ex(polys);
+}
+
+template<class Fn> void foreach_vertex(ExPolygon &poly, Fn &&fn)
+{
+    for (auto &p : poly.contour.points) fn(p);
+    for (auto &h : poly.holes)
+        for (auto &p : h.points) fn(p);
+}
+
+void invert_raster_trafo(ExPolygons &                  expolys,
+                         const sla::RasterBase::Trafo &trafo,
+                         coord_t                       width,
+                         coord_t                       height)
+{
+    if (trafo.flipXY) std::swap(height, width);
+
+    for (auto &expoly : expolys) {
+        if (trafo.mirror_y)
+            foreach_vertex(expoly, [height](Point &p) {p.y() = height - p.y(); });
+
+        if (trafo.mirror_x)
+            foreach_vertex(expoly, [width](Point &p) {p.x() = width - p.x(); });
+
+        expoly.translate(-trafo.center_x, -trafo.center_y);
+
+        if (trafo.flipXY)
+            foreach_vertex(expoly, [](Point &p) { std::swap(p.x(), p.y()); });
+
+        if ((trafo.mirror_x + trafo.mirror_y + trafo.flipXY) % 2) {
+            expoly.contour.reverse();
+            for (auto &h : expoly.holes) h.reverse();
+        }
+    }
+}
+
+struct RasterParams {
+    sla::RasterBase::Trafo trafo; // Raster transformations
+    coord_t        width, height; // scaled raster dimensions (not resolution)
+    double         px_h, px_w;    // pixel dimesions
+    marchsq::Coord win;           // marching squares window size
+};
+
+RasterParams get_raster_params(const DynamicPrintConfig &cfg)
+{
+    auto *opt_disp_cols = cfg.option<ConfigOptionInt>("display_pixels_x");
+    auto *opt_disp_rows = cfg.option<ConfigOptionInt>("display_pixels_y");
+    auto *opt_disp_w    = cfg.option<ConfigOptionFloat>("display_width");
+    auto *opt_disp_h    = cfg.option<ConfigOptionFloat>("display_height");
+    auto *opt_mirror_x  = cfg.option<ConfigOptionBool>("display_mirror_x");
+    auto *opt_mirror_y  = cfg.option<ConfigOptionBool>("display_mirror_y");
+    auto *opt_orient    = cfg.option<ConfigOptionEnum<SLADisplayOrientation>>("display_orientation");
+
+    if (!opt_disp_cols || !opt_disp_rows || !opt_disp_w || !opt_disp_h ||
+        !opt_mirror_x || !opt_mirror_y || !opt_orient)
+        throw Slic3r::FileIOError("Invalid SL1 file");
+
+    RasterParams rstp;
+
+    rstp.px_w = opt_disp_w->value / (opt_disp_cols->value - 1);
+    rstp.px_h = opt_disp_h->value / (opt_disp_rows->value - 1);
+
+    rstp.trafo = sla::RasterBase::Trafo{opt_orient->value == sladoLandscape ?
+                                     sla::RasterBase::roLandscape :
+                                     sla::RasterBase::roPortrait,
+                                 {opt_mirror_x->value, opt_mirror_y->value}};
+
+    rstp.height = scaled(opt_disp_h->value);
+    rstp.width  = scaled(opt_disp_w->value);
+
+    return rstp;
+}
+
+struct SliceParams { double layerh = 0., initial_layerh = 0.; };
+
+SliceParams get_slice_params(const DynamicPrintConfig &cfg)
+{
+    auto *opt_layerh = cfg.option<ConfigOptionFloat>("layer_height");
+    auto *opt_init_layerh = cfg.option<ConfigOptionFloat>("initial_layer_height");
+
+    if (!opt_layerh || !opt_init_layerh)
+        throw Slic3r::FileIOError("Invalid SL1 file");
+
+    return SliceParams{opt_layerh->getFloat(), opt_init_layerh->getFloat()};
+}
+
+std::vector<ExPolygons> extract_slices_from_sla_archive(
+    ArchiveData &            arch,
+    const RasterParams &     rstp,
+    std::function<bool(int)> progr)
+{
+    auto jobdir = arch.config.get<std::string>("jobDir");
+    for (auto &c : jobdir) c = std::tolower(c);
+
+    std::vector<ExPolygons> slices(arch.images.size());
+
+    struct Status
+    {
+        double          incr, val, prev;
+        bool            stop = false;
+        tbb::spin_mutex mutex;
+    } st {100. / slices.size(), 0., 0.};
+
+    tbb::parallel_for(size_t(0), arch.images.size(),
+                     [&arch, &slices, &st, &rstp, progr](size_t i) {
+        // Status indication guarded with the spinlock
+        {
+            std::lock_guard<tbb::spin_mutex> lck(st.mutex);
+            if (st.stop) return;
+
+            st.val += st.incr;
+            double curr = std::round(st.val);
+            if (curr > st.prev) {
+                st.prev = curr;
+                st.stop = !progr(int(curr));
+            }
+        }
+
+        png::ImageGreyscale img;
+        png::ReadBuf rb{arch.images[i].buf.data(), arch.images[i].buf.size()};
+        if (!png::decode_png(rb, img)) return;
+
+        auto rings = marchsq::execute(img, 128, rstp.win);
+        ExPolygons expolys = rings_to_expolygons(rings, rstp.px_w, rstp.px_h);
+
+        // Invert the raster transformations indicated in
+        // the profile metadata
+        invert_raster_trafo(expolys, rstp.trafo, rstp.width, rstp.height);
+
+        slices[i] = std::move(expolys);
+    });
+
+    if (st.stop) slices = {};
+
+    return slices;
+}
+
+} // namespace
+
+void import_sla_archive(const std::string &zipfname, DynamicPrintConfig &out)
+{
+    ArchiveData arch = extract_sla_archive(zipfname, "png");
+    out.load(arch.profile);
+}
+
+void import_sla_archive(
+    const std::string &      zipfname,
+    Vec2i                    windowsize,
+    TriangleMesh &           out,
+    DynamicPrintConfig &     profile,
+    std::function<bool(int)> progr)
+{
+    // Ensure minimum window size for marching squares
+    windowsize.x() = std::max(2, windowsize.x());
+    windowsize.y() = std::max(2, windowsize.y());
+
+    ArchiveData arch = extract_sla_archive(zipfname, "thumbnail");
+    profile.load(arch.profile);
+
+    RasterParams rstp = get_raster_params(profile);
+    rstp.win          = {windowsize.y(), windowsize.x()};
+
+    SliceParams slicp = get_slice_params(profile);
+
+    std::vector<ExPolygons> slices =
+        extract_slices_from_sla_archive(arch, rstp, progr);
+
+    if (!slices.empty())
+        out = slices_to_triangle_mesh(slices, 0, slicp.layerh, slicp.initial_layerh);
+}
+
 using ConfMap = std::map<std::string, std::string>;
 
 namespace {
@@ -126,9 +435,9 @@ uqptr<sla::RasterBase> SL1Archive::create_raster() const
     return sla::create_raster_grayscale_aa(res, pxdim, gamma, tr);
 }
 
-sla::EncodedRaster SL1Archive::encode_raster(const sla::RasterBase &rst) const
+sla::RasterEncoder SL1Archive::get_encoder() const
 {
-    return rst.encode(sla::PNGRasterEncoder());    
+    return sla::PNGRasterEncoder{};
 }
 
 void SL1Archive::export_print(Zipper& zipper,

src/libslic3r/Format/SL1.hpp

@@ -13,7 +13,7 @@ class SL1Archive: public SLAPrinter {
     
 protected:
     uqptr<sla::RasterBase> create_raster() const override;
-    sla::EncodedRaster encode_raster(const sla::RasterBase &rst) const override;
+    sla::RasterEncoder get_encoder() const override;
     
 public:
     
@@ -38,6 +38,24 @@ public:
     }
 };
     
+void import_sla_archive(const std::string &zipfname, DynamicPrintConfig &out);
+
+void import_sla_archive(
+    const std::string &      zipfname,
+    Vec2i                    windowsize,
+    TriangleMesh &           out,
+    DynamicPrintConfig &     profile,
+    std::function<bool(int)> progr = [](int) { return true; });
+
+inline void import_sla_archive(
+    const std::string &      zipfname,
+    Vec2i                    windowsize,
+    TriangleMesh &           out,
+    std::function<bool(int)> progr = [](int) { return true; })
+{
+    DynamicPrintConfig profile;
+    import_sla_archive(zipfname, windowsize, out, profile, progr);
+}
 
 } // namespace Slic3r::sla
 

src/libslic3r/GCode.hpp

@@ -13,9 +13,13 @@
 #include "GCode/SpiralVase.hpp"
 #include "GCode/ToolOrdering.hpp"
 #include "GCode/WipeTower.hpp"
-#include "GCodeTimeEstimator.hpp"
+#if ENABLE_GCODE_VIEWER
-#include "EdgeGrid.hpp"
+#include "GCode/GCodeProcessor.hpp"
+#else
 #include "GCode/Analyzer.hpp"
+#include "GCodeTimeEstimator.hpp"
+#endif // ENABLE_GCODE_VIEWER
+#include "EdgeGrid.hpp"
 #include "GCode/ThumbnailData.hpp"
 
 #include <memory>
@@ -29,7 +33,9 @@ namespace Slic3r {
 
 // Forward declarations.
 class GCode;
+#if !ENABLE_GCODE_VIEWER
 class GCodePreviewData;
+#endif // !ENABLE_GCODE_VIEWER
 
 namespace { struct Item; }
 struct PrintInstance;
@@ -138,6 +144,15 @@ private:
     double                                                       m_last_wipe_tower_print_z = 0.f;
 };
 
+#if ENABLE_GCODE_VIEWER
+class ColorPrintColors
+{
+    static const std::vector<std::string> Colors;
+public:
+    static const std::vector<std::string>& get() { return Colors; }
+};
+#endif // ENABLE_GCODE_VIEWER
+
 class GCode {
 public:        
     GCode() : 
@@ -145,21 +160,33 @@ public:
         m_enable_loop_clipping(true), 
         m_enable_cooling_markers(false), 
         m_enable_extrusion_role_markers(false), 
+#if ENABLE_GCODE_VIEWER
+        m_last_processor_extrusion_role(erNone),
+#else
         m_enable_analyzer(false),
         m_last_analyzer_extrusion_role(erNone),
+#endif // ENABLE_GCODE_VIEWER
         m_layer_count(0),
         m_layer_index(-1), 
         m_layer(nullptr), 
         m_volumetric_speed(0),
         m_last_pos_defined(false),
         m_last_extrusion_role(erNone),
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
+        m_last_mm3_per_mm(0.0),
+        m_last_width(0.0f),
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
+#if !ENABLE_GCODE_VIEWER
         m_last_mm3_per_mm(GCodeAnalyzer::Default_mm3_per_mm),
         m_last_width(GCodeAnalyzer::Default_Width),
         m_last_height(GCodeAnalyzer::Default_Height),
+#endif // !ENABLE_GCODE_VIEWER
         m_brim_done(false),
         m_second_layer_things_done(false),
+#if !ENABLE_GCODE_VIEWER
         m_normal_time_estimator(GCodeTimeEstimator::Normal),
         m_silent_time_estimator(GCodeTimeEstimator::Silent),
+#endif // !ENABLE_GCODE_VIEWER
         m_silent_time_estimator_enabled(false),
         m_last_obj_copy(nullptr, Point(std::numeric_limits<coord_t>::max(), std::numeric_limits<coord_t>::max()))
         {}
@@ -167,7 +194,11 @@ public:
 
     // throws std::runtime_exception on error,
     // throws CanceledException through print->throw_if_canceled().
+#if ENABLE_GCODE_VIEWER
+    void            do_export(Print* print, const char* path, GCodeProcessor::Result* result = nullptr, ThumbnailsGeneratorCallback thumbnail_cb = nullptr);
+#else
     void            do_export(Print* print, const char* path, GCodePreviewData* preview_data = nullptr, ThumbnailsGeneratorCallback thumbnail_cb = nullptr);
+#endif // ENABLE_GCODE_VIEWER
 
     // Exported for the helper classes (OozePrevention, Wipe) and for the Perl binding for unit tests.
     const Vec2d&    origin() const { return m_origin; }
@@ -327,11 +358,16 @@ private:
     // Markers for the Pressure Equalizer to recognize the extrusion type.
     // The Pressure Equalizer removes the markers from the final G-code.
     bool                                m_enable_extrusion_role_markers;
+#if ENABLE_GCODE_VIEWER
+    // Keeps track of the last extrusion role passed to the processor
+    ExtrusionRole                       m_last_processor_extrusion_role;
+#else
     // Enableds the G-code Analyzer.
     // Extended markers will be added during G-code generation.
     // The G-code Analyzer will remove these comments from the final G-code.
     bool                                m_enable_analyzer;
     ExtrusionRole                       m_last_analyzer_extrusion_role;
+#endif // ENABLE_GCODE_VIEWER
     // How many times will change_layer() be called?
     // change_layer() will update the progress bar.
     unsigned int                        m_layer_count;
@@ -344,10 +380,20 @@ private:
     double                              m_volumetric_speed;
     // Support for the extrusion role markers. Which marker is active?
     ExtrusionRole                       m_last_extrusion_role;
+#if ENABLE_GCODE_VIEWER
+    // Support for G-Code Processor
+    float                               m_last_height{ 0.0f };
+    float                               m_last_layer_z{ 0.0f };
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
+    double                              m_last_mm3_per_mm;
+    float                               m_last_width{ 0.0f };
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
+#else
     // Support for G-Code Analyzer
     double                              m_last_mm3_per_mm;
     float                               m_last_width;
     float                               m_last_height;
+#endif // ENABLE_GCODE_VIEWER
 
     Point                               m_last_pos;
     bool                                m_last_pos_defined;
@@ -368,13 +414,20 @@ private:
     // Index of a last object copy extruded.
     std::pair<const PrintObject*, Point> m_last_obj_copy;
 
+#if !ENABLE_GCODE_VIEWER
     // Time estimators
     GCodeTimeEstimator m_normal_time_estimator;
     GCodeTimeEstimator m_silent_time_estimator;
+#endif // !ENABLE_GCODE_VIEWER
     bool m_silent_time_estimator_enabled;
 
+#if ENABLE_GCODE_VIEWER
+    // Processor
+    GCodeProcessor m_processor;
+#else
     // Analyzer
     GCodeAnalyzer m_analyzer;
+#endif // ENABLE_GCODE_VIEWER
 
     // Write a string into a file.
     void _write(FILE* file, const std::string& what) { this->_write(file, what.c_str()); }

src/libslic3r/GCode/Analyzer.cpp

@@ -12,6 +12,8 @@
 #include "Analyzer.hpp"
 #include "PreviewData.hpp"
 
+#if !ENABLE_GCODE_VIEWER
+
 static const std::string AXIS_STR = "XYZE";
 static const float MMMIN_TO_MMSEC = 1.0f / 60.0f;
 static const float INCHES_TO_MM = 25.4f;
@@ -651,7 +653,7 @@ bool GCodeAnalyzer::_process_tags(const GCodeReader::GCodeLine& line)
         return true;
     }
 
-    // color change tag
+    // pause print tag
     pos = comment.find(Pause_Print_Tag);
     if (pos != comment.npos)
     {
@@ -659,7 +661,7 @@ bool GCodeAnalyzer::_process_tags(const GCodeReader::GCodeLine& line)
         return true;
     }
 
-    // color change tag
+    // custom code tag
     pos = comment.find(Custom_Code_Tag);
     if (pos != comment.npos)
     {
@@ -667,7 +669,7 @@ bool GCodeAnalyzer::_process_tags(const GCodeReader::GCodeLine& line)
         return true;
     }
 
-    // color change tag
+    // end pause print or custom code tag
     pos = comment.find(End_Pause_Print_Or_Custom_Code_Tag);
     if (pos != comment.npos)
     {
@@ -1191,3 +1193,5 @@ size_t GCodeAnalyzer::memory_used() const
 }
 
 } // namespace Slic3r
+
+#endif // !ENABLE_GCODE_VIEWER

src/libslic3r/GCode/Analyzer.hpp

@@ -1,6 +1,8 @@
 #ifndef slic3r_GCode_Analyzer_hpp_
 #define slic3r_GCode_Analyzer_hpp_
 
+#if !ENABLE_GCODE_VIEWER
+
 #include "../libslic3r.h"
 #include "../PrintConfig.hpp"
 #include "../ExtrusionEntity.hpp"
@@ -302,4 +304,6 @@ private:
 
 } // namespace Slic3r
 
+#endif // !ENABLE_GCODE_VIEWER
+
 #endif /* slic3r_GCode_Analyzer_hpp_ */

src/libslic3r/GCode/GCodeProcessor.hpp

@@ -0,0 +1,560 @@
+#ifndef slic3r_GCodeProcessor_hpp_
+#define slic3r_GCodeProcessor_hpp_
+
+#if ENABLE_GCODE_VIEWER
+#include "libslic3r/GCodeReader.hpp"
+#include "libslic3r/Point.hpp"
+#include "libslic3r/ExtrusionEntity.hpp"
+#include "libslic3r/PrintConfig.hpp"
+#include "libslic3r/CustomGCode.hpp"
+
+#include <array>
+#include <vector>
+#include <string>
+
+namespace Slic3r {
+
+    enum class EMoveType : unsigned char
+    {
+        Noop,
+        Retract,
+        Unretract,
+        Tool_change,
+        Color_change,
+        Pause_Print,
+        Custom_GCode,
+        Travel,
+        Extrude,
+        Count
+    };
+
+    struct PrintEstimatedTimeStatistics
+    {
+        enum class ETimeMode : unsigned char
+        {
+            Normal,
+            Stealth,
+            Count
+        };
+
+        struct Mode
+        {
+            float time;
+            std::vector<std::pair<CustomGCode::Type, std::pair<float, float>>> custom_gcode_times;
+            std::vector<std::pair<EMoveType, float>> moves_times;
+            std::vector<std::pair<ExtrusionRole, float>> roles_times;
+            std::vector<float> layers_times;
+
+            void reset() {
+                time = 0.0f;
+                custom_gcode_times.clear();
+                moves_times.clear();
+                roles_times.clear();
+                layers_times.clear();
+            }
+        };
+
+        std::array<Mode, static_cast<size_t>(ETimeMode::Count)> modes;
+
+        PrintEstimatedTimeStatistics() { reset(); }
+
+        void reset() {
+            for (auto m : modes) {
+                m.reset();
+            }
+        }
+    };
+
+    class GCodeProcessor
+    {
+    public:
+        static const std::string Extrusion_Role_Tag;
+        static const std::string Height_Tag;
+        static const std::string Layer_Change_Tag;
+        static const std::string Color_Change_Tag;
+        static const std::string Pause_Print_Tag;
+        static const std::string Custom_Code_Tag;
+        static const std::string First_Line_M73_Placeholder_Tag;
+        static const std::string Last_Line_M73_Placeholder_Tag;
+        static const std::string Estimated_Printing_Time_Placeholder_Tag;
+
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
+        static const std::string Width_Tag;
+        static const std::string Mm3_Per_Mm_Tag;
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
+
+    private:
+        using AxisCoords = std::array<float, 4>;
+        using ExtruderColors = std::vector<unsigned char>;
+
+        enum class EUnits : unsigned char
+        {
+            Millimeters,
+            Inches
+        };
+
+        enum class EPositioningType : unsigned char
+        {
+            Absolute,
+            Relative
+        };
+
+        struct CachedPosition
+        {
+            AxisCoords position; // mm
+            float feedrate; // mm/s
+
+            void reset();
+        };
+
+        struct CpColor
+        {
+            unsigned char counter;
+            unsigned char current;
+
+            void reset();
+        };
+
+    public:
+        struct FeedrateProfile
+        {
+            float entry{ 0.0f }; // mm/s
+            float cruise{ 0.0f }; // mm/s
+            float exit{ 0.0f }; // mm/s
+        };
+
+        struct Trapezoid
+        {
+            float accelerate_until{ 0.0f }; // mm
+            float decelerate_after{ 0.0f }; // mm
+            float cruise_feedrate{ 0.0f }; // mm/sec
+
+            float acceleration_time(float entry_feedrate, float acceleration) const;
+            float cruise_time() const;
+            float deceleration_time(float distance, float acceleration) const;
+            float cruise_distance() const;
+        };
+
+        struct TimeBlock
+        {
+            struct Flags
+            {
+                bool recalculate{ false };
+                bool nominal_length{ false };
+            };
+
+            EMoveType move_type{ EMoveType::Noop };
+            ExtrusionRole role{ erNone };
+            unsigned int layer_id{ 0 };
+            float distance{ 0.0f }; // mm
+            float acceleration{ 0.0f }; // mm/s^2
+            float max_entry_speed{ 0.0f }; // mm/s
+            float safe_feedrate{ 0.0f }; // mm/s
+            Flags flags;
+            FeedrateProfile feedrate_profile;
+            Trapezoid trapezoid;
+
+            // Calculates this block's trapezoid
+            void calculate_trapezoid();
+
+            float time() const;
+        };
+
+    private:
+        struct TimeMachine
+        {
+            struct State
+            {
+                float feedrate; // mm/s
+                float safe_feedrate; // mm/s
+                AxisCoords axis_feedrate; // mm/s
+                AxisCoords abs_axis_feedrate; // mm/s
+
+                void reset();
+            };
+
+            struct CustomGCodeTime
+            {
+                bool needed;
+                float cache;
+                std::vector<std::pair<CustomGCode::Type, float>> times;
+
+                void reset();
+            };
+
+            bool enabled;
+            float acceleration; // mm/s^2
+            // hard limit for the acceleration, to which the firmware will clamp.
+            float max_acceleration; // mm/s^2
+            float extrude_factor_override_percentage;
+            float time; // s
+            std::string line_m73_mask;
+            State curr;
+            State prev;
+            CustomGCodeTime gcode_time;
+            std::vector<TimeBlock> blocks;
+            std::vector<float> g1_times_cache;
+            std::array<float, static_cast<size_t>(EMoveType::Count)> moves_time;
+            std::array<float, static_cast<size_t>(ExtrusionRole::erCount)> roles_time;
+            std::vector<float> layers_time;
+
+            void reset();
+
+            // Simulates firmware st_synchronize() call
+            void simulate_st_synchronize(float additional_time = 0.0f);
+            void calculate_time(size_t keep_last_n_blocks = 0);
+        };
+
+        struct TimeProcessor
+        {
+            struct Planner
+            {
+                // Size of the firmware planner queue. The old 8-bit Marlins usually just managed 16 trapezoidal blocks.
+                // Let's be conservative and plan for newer boards with more memory.
+                static constexpr size_t queue_size = 64;
+                // The firmware recalculates last planner_queue_size trapezoidal blocks each time a new block is added.
+                // We are not simulating the firmware exactly, we calculate a sequence of blocks once a reasonable number of blocks accumulate.
+                static constexpr size_t refresh_threshold = queue_size * 4;
+            };
+
+            // extruder_id is currently used to correctly calculate filament load / unload times into the total print time.
+            // This is currently only really used by the MK3 MMU2:
+            // extruder_unloaded = true means no filament is loaded yet, all the filaments are parked in the MK3 MMU2 unit.
+            bool extruder_unloaded;
+            // whether or not to export post-process the gcode to export lines M73 in it
+            bool export_remaining_time_enabled;
+            // allow to skip the lines M201/M203/M204/M205 generated by GCode::print_machine_envelope()
+            bool machine_envelope_processing_enabled;
+            MachineEnvelopeConfig machine_limits;
+            // Additional load / unload times for a filament exchange sequence.
+            std::vector<float> filament_load_times;
+            std::vector<float> filament_unload_times;
+            std::array<TimeMachine, static_cast<size_t>(PrintEstimatedTimeStatistics::ETimeMode::Count)> machines;
+
+            void reset();
+
+            // post process the file with the given filename to add remaining time lines M73
+            void post_process(const std::string& filename);
+        };
+
+    public:
+        struct MoveVertex
+        {
+            EMoveType type{ EMoveType::Noop };
+            ExtrusionRole extrusion_role{ erNone };
+            unsigned char extruder_id{ 0 };
+            unsigned char cp_color_id{ 0 };
+            Vec3f position{ Vec3f::Zero() }; // mm
+            float delta_extruder{ 0.0f }; // mm
+            float feedrate{ 0.0f }; // mm/s
+            float width{ 0.0f }; // mm
+            float height{ 0.0f }; // mm
+            float mm3_per_mm{ 0.0f };
+            float fan_speed{ 0.0f }; // percentage
+            float time{ 0.0f }; // s
+
+            float volumetric_rate() const { return feedrate * mm3_per_mm; }
+        };
+
+        struct Result
+        {
+            unsigned int id;
+            std::vector<MoveVertex> moves;
+            Pointfs bed_shape;
+            std::string printer_settings_id;
+            std::vector<std::string> extruder_colors;
+            PrintEstimatedTimeStatistics time_statistics;
+
+#if ENABLE_GCODE_VIEWER_STATISTICS
+            long long time{ 0 };
+            void reset()
+            {
+                time = 0;
+                moves = std::vector<MoveVertex>();
+                bed_shape = Pointfs();
+                extruder_colors = std::vector<std::string>();
+            }
+#else
+            void reset()
+            {
+                moves = std::vector<MoveVertex>();
+                bed_shape = Pointfs();
+                extruder_colors = std::vector<std::string>();
+            }
+#endif // ENABLE_GCODE_VIEWER_STATISTICS
+        };
+
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
+        struct DataChecker
+        {
+            struct Error
+            {
+                float value;
+                float tag_value;
+                ExtrusionRole role;
+            };
+
+            std::string type;
+            float threshold{ 0.01f };
+            float last_tag_value{ 0.0f };
+            unsigned int count{ 0 };
+            std::vector<Error> errors;
+
+            DataChecker(const std::string& type, float threshold)
+                : type(type), threshold(threshold)
+            {}
+
+            void update(float value, ExtrusionRole role) {
+                ++count;
+                if (last_tag_value != 0.0f) {
+                    if (std::abs(value - last_tag_value) / last_tag_value > threshold)
+                        errors.push_back({ value, last_tag_value, role });
+                }
+            }
+
+            void reset() { last_tag_value = 0.0f; errors.clear(); count = 0; }
+
+            std::pair<float, float> get_min() const {
+                float delta_min = FLT_MAX;
+                float perc_min = 0.0f;
+                for (const Error& e : errors) {
+                    if (delta_min > e.value - e.tag_value) {
+                        delta_min = e.value - e.tag_value;
+                        perc_min = 100.0f * delta_min / e.tag_value;
+                    }
+                }
+                return { delta_min, perc_min };
+            }
+
+            std::pair<float, float> get_max() const {
+                float delta_max = -FLT_MAX;
+                float perc_max = 0.0f;
+                for (const Error& e : errors) {
+                    if (delta_max < e.value - e.tag_value) {
+                        delta_max = e.value - e.tag_value;
+                        perc_max = 100.0f * delta_max / e.tag_value;
+                    }
+                }
+                return { delta_max, perc_max };
+            }
+
+            void output() const {
+                if (!errors.empty()) {
+                    std::cout << type << ":\n";
+                    std::cout << "Errors: " << errors.size() << " (" << 100.0f * float(errors.size()) / float(count) << "%)\n";
+                    auto [min, perc_min] = get_min();
+                    auto [max, perc_max] = get_max();
+                    std::cout << "min: " << min << "(" << perc_min << "%) - max: " << max << "(" << perc_max << "%)\n";
+                }
+            }
+        };
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
+
+    private:
+        GCodeReader m_parser;
+
+        EUnits m_units;
+        EPositioningType m_global_positioning_type;
+        EPositioningType m_e_local_positioning_type;
+        std::vector<Vec3f> m_extruder_offsets;
+        GCodeFlavor m_flavor;
+
+        AxisCoords m_start_position; // mm
+        AxisCoords m_end_position; // mm
+        AxisCoords m_origin; // mm
+        CachedPosition m_cached_position;
+
+        float m_feedrate; // mm/s
+        float m_width; // mm
+        float m_height; // mm
+        float m_mm3_per_mm;
+        float m_fan_speed; // percentage
+        ExtrusionRole m_extrusion_role;
+        unsigned char m_extruder_id;
+        ExtruderColors m_extruder_colors;
+        std::vector<float> m_filament_diameters;
+        float m_extruded_last_z;
+        unsigned int m_layer_id;
+        CpColor m_cp_color;
+
+        enum class EProducer
+        {
+            Unknown,
+            PrusaSlicer,
+            Cura,
+            Simplify3D,
+            CraftWare,
+            ideaMaker
+        };
+
+        static const std::vector<std::pair<GCodeProcessor::EProducer, std::string>> Producers;
+        EProducer m_producer;
+        bool m_producers_enabled;
+
+        TimeProcessor m_time_processor;
+
+        Result m_result;
+        static unsigned int s_result_id;
+
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
+        DataChecker m_mm3_per_mm_compare{ "mm3_per_mm", 0.01f };
+        DataChecker m_height_compare{ "height", 0.01f };
+        DataChecker m_width_compare{ "width", 0.01f };
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
+
+    public:
+        GCodeProcessor();
+
+        void apply_config(const PrintConfig& config);
+        void apply_config(const DynamicPrintConfig& config);
+        void enable_stealth_time_estimator(bool enabled);
+        bool is_stealth_time_estimator_enabled() const {
+            return m_time_processor.machines[static_cast<size_t>(PrintEstimatedTimeStatistics::ETimeMode::Stealth)].enabled;
+        }
+        void enable_machine_envelope_processing(bool enabled) { m_time_processor.machine_envelope_processing_enabled = enabled; }
+        void enable_producers(bool enabled) { m_producers_enabled = enabled; }
+        void reset();
+
+        const Result& get_result() const { return m_result; }
+        Result&& extract_result() { return std::move(m_result); }
+
+        // Process the gcode contained in the file with the given filename
+        // throws CanceledException through print->throw_if_canceled() (sent by the caller as callback).
+        void process_file(const std::string& filename, std::function<void()> cancel_callback = nullptr);
+
+        float get_time(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+        std::string get_time_dhm(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+        std::vector<std::pair<CustomGCode::Type, std::pair<float, float>>> get_custom_gcode_times(PrintEstimatedTimeStatistics::ETimeMode mode, bool include_remaining) const;
+
+        std::vector<std::pair<EMoveType, float>> get_moves_time(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+        std::vector<std::pair<ExtrusionRole, float>> get_roles_time(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+        std::vector<float> get_layers_time(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+
+    private:
+        void process_gcode_line(const GCodeReader::GCodeLine& line);
+
+        // Process tags embedded into comments
+        void process_tags(const std::string& comment);
+        bool process_producers_tags(const std::string& comment);
+        bool process_prusaslicer_tags(const std::string& comment);
+        bool process_cura_tags(const std::string& comment);
+        bool process_simplify3d_tags(const std::string& comment);
+        bool process_craftware_tags(const std::string& comment);
+        bool process_ideamaker_tags(const std::string& comment);
+
+        bool detect_producer(const std::string& comment);
+
+        // Move
+        void process_G0(const GCodeReader::GCodeLine& line);
+        void process_G1(const GCodeReader::GCodeLine& line);
+
+        // Retract
+        void process_G10(const GCodeReader::GCodeLine& line);
+
+        // Unretract
+        void process_G11(const GCodeReader::GCodeLine& line);
+
+        // Set Units to Inches
+        void process_G20(const GCodeReader::GCodeLine& line);
+
+        // Set Units to Millimeters
+        void process_G21(const GCodeReader::GCodeLine& line);
+
+        // Firmware controlled Retract
+        void process_G22(const GCodeReader::GCodeLine& line);
+
+        // Firmware controlled Unretract
+        void process_G23(const GCodeReader::GCodeLine& line);
+
+        // Set to Absolute Positioning
+        void process_G90(const GCodeReader::GCodeLine& line);
+
+        // Set to Relative Positioning
+        void process_G91(const GCodeReader::GCodeLine& line);
+
+        // Set Position
+        void process_G92(const GCodeReader::GCodeLine& line);
+
+        // Sleep or Conditional stop
+        void process_M1(const GCodeReader::GCodeLine& line);
+
+        // Set extruder to absolute mode
+        void process_M82(const GCodeReader::GCodeLine& line);
+
+        // Set extruder to relative mode
+        void process_M83(const GCodeReader::GCodeLine& line);
+
+        // Set fan speed
+        void process_M106(const GCodeReader::GCodeLine& line);
+
+        // Disable fan
+        void process_M107(const GCodeReader::GCodeLine& line);
+
+        // Set tool (Sailfish)
+        void process_M108(const GCodeReader::GCodeLine& line);
+
+        // Recall stored home offsets
+        void process_M132(const GCodeReader::GCodeLine& line);
+
+        // Set tool (MakerWare)
+        void process_M135(const GCodeReader::GCodeLine& line);
+
+        // Set max printing acceleration
+        void process_M201(const GCodeReader::GCodeLine& line);
+
+        // Set maximum feedrate
+        void process_M203(const GCodeReader::GCodeLine& line);
+
+        // Set default acceleration
+        void process_M204(const GCodeReader::GCodeLine& line);
+
+        // Advanced settings
+        void process_M205(const GCodeReader::GCodeLine& line);
+
+        // Set extrude factor override percentage
+        void process_M221(const GCodeReader::GCodeLine& line);
+
+        // Repetier: Store x, y and z position
+        void process_M401(const GCodeReader::GCodeLine& line);
+
+        // Repetier: Go to stored position
+        void process_M402(const GCodeReader::GCodeLine& line);
+
+        // Set allowable instantaneous speed change
+        void process_M566(const GCodeReader::GCodeLine& line);
+
+        // Unload the current filament into the MK3 MMU2 unit at the end of print.
+        void process_M702(const GCodeReader::GCodeLine& line);
+
+        // Processes T line (Select Tool)
+        void process_T(const GCodeReader::GCodeLine& line);
+        void process_T(const std::string& command);
+
+        void store_move_vertex(EMoveType type);
+
+        float minimum_feedrate(PrintEstimatedTimeStatistics::ETimeMode mode, float feedrate) const;
+        float minimum_travel_feedrate(PrintEstimatedTimeStatistics::ETimeMode mode, float feedrate) const;
+        float get_axis_max_feedrate(PrintEstimatedTimeStatistics::ETimeMode mode, Axis axis) const;
+        float get_axis_max_acceleration(PrintEstimatedTimeStatistics::ETimeMode mode, Axis axis) const;
+        float get_axis_max_jerk(PrintEstimatedTimeStatistics::ETimeMode mode, Axis axis) const;
+        float get_retract_acceleration(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+        float get_acceleration(PrintEstimatedTimeStatistics::ETimeMode mode) const;
+        void set_acceleration(PrintEstimatedTimeStatistics::ETimeMode mode, float value);
+        float get_filament_load_time(size_t extruder_id);
+        float get_filament_unload_time(size_t extruder_id);
+
+        void process_custom_gcode_time(CustomGCode::Type code);
+
+        // Simulates firmware st_synchronize() call
+        void simulate_st_synchronize(float additional_time = 0.0f);
+
+        void update_estimated_times_stats();
+   };
+
+} /* namespace Slic3r */
+
+#endif // ENABLE_GCODE_VIEWER
+
+#endif /* slic3r_GCodeProcessor_hpp_ */
+
+

src/libslic3r/GCode/PostProcessor.cpp

@@ -79,7 +79,7 @@ static DWORD execute_process_winapi(const std::wstring &command_line)
 	if (! ::CreateProcessW(
             nullptr /* lpApplicationName */, (LPWSTR)command_line.c_str(), nullptr /* lpProcessAttributes */, nullptr /* lpThreadAttributes */, false /* bInheritHandles */,
 			CREATE_UNICODE_ENVIRONMENT /* | CREATE_NEW_CONSOLE */ /* dwCreationFlags */, (LPVOID)envstr.c_str(), nullptr /* lpCurrentDirectory */, &startup_info, &process_info))
-		throw std::runtime_error(std::string("Failed starting the script ") + boost::nowide::narrow(command_line) + ", Win32 error: " + std::to_string(int(::GetLastError())));
+		throw Slic3r::RuntimeError(std::string("Failed starting the script ") + boost::nowide::narrow(command_line) + ", Win32 error: " + std::to_string(int(::GetLastError())));
 	::WaitForSingleObject(process_info.hProcess, INFINITE);
 	ULONG rc = 0;
 	::GetExitCodeProcess(process_info.hProcess, &rc);
@@ -98,13 +98,13 @@ static int run_script(const std::string &script, const std::string &gcode, std::
     LPWSTR *szArglist = CommandLineToArgvW(boost::nowide::widen(script).c_str(), &nArgs);
     if (szArglist == nullptr || nArgs <= 0) {
         // CommandLineToArgvW failed. Maybe the command line escapment is invalid?
-		throw std::runtime_error(std::string("Post processing script ") + script + " on file " + gcode + " failed. CommandLineToArgvW() refused to parse the command line path.");
+		throw Slic3r::RuntimeError(std::string("Post processing script ") + script + " on file " + gcode + " failed. CommandLineToArgvW() refused to parse the command line path.");
     }
 
     std::wstring command_line;
     std::wstring command = szArglist[0];
 	if (! boost::filesystem::exists(boost::filesystem::path(command)))
-		throw std::runtime_error(std::string("The configured post-processing script does not exist: ") + boost::nowide::narrow(command));
+		throw Slic3r::RuntimeError(std::string("The configured post-processing script does not exist: ") + boost::nowide::narrow(command));
     if (boost::iends_with(command, L".pl")) {
         // This is a perl script. Run it through the perl interpreter.
         // The current process may be slic3r.exe or slic3r-console.exe.
@@ -115,7 +115,7 @@ static int run_script(const std::string &script, const std::string &gcode, std::
         boost::filesystem::path path_perl = path_exe.parent_path() / "perl" / "perl.exe";
         if (! boost::filesystem::exists(path_perl)) {
 			LocalFree(szArglist);
-			throw std::runtime_error(std::string("Perl interpreter ") + path_perl.string() + " does not exist.");
+			throw Slic3r::RuntimeError(std::string("Perl interpreter ") + path_perl.string() + " does not exist.");
         }
         // Replace it with the current perl interpreter.
         quote_argv_winapi(boost::nowide::widen(path_perl.string()), command_line);
@@ -187,7 +187,7 @@ void run_post_process_scripts(const std::string &path, const PrintConfig &config
     config.setenv_();
     auto gcode_file = boost::filesystem::path(path);
     if (! boost::filesystem::exists(gcode_file))
-        throw std::runtime_error(std::string("Post-processor can't find exported gcode file"));
+        throw Slic3r::RuntimeError(std::string("Post-processor can't find exported gcode file"));
 
     for (const std::string &scripts : config.post_process.values) {
 		std::vector<std::string> lines;
@@ -205,7 +205,7 @@ void run_post_process_scripts(const std::string &path, const PrintConfig &config
                 const std::string msg = std_err.empty() ? (boost::format("Post-processing script %1% on file %2% failed.\nError code: %3%") % script % path % result).str()
                     : (boost::format("Post-processing script %1% on file %2% failed.\nError code: %3%\nOutput:\n%4%") % script % path % result % std_err).str();
                 BOOST_LOG_TRIVIAL(error) << msg;
-                throw std::runtime_error(msg);
+                throw Slic3r::RuntimeError(msg);
             }
         }
     }

src/libslic3r/GCode/PressureEqualizer.cpp

@@ -148,7 +148,7 @@ static inline int parse_int(const char *&line)
     char *endptr = NULL;
     long result = strtol(line, &endptr, 10);
     if (endptr == NULL || !is_ws_or_eol(*endptr))
-        throw std::runtime_error("PressureEqualizer: Error parsing an int");
+        throw Slic3r::RuntimeError("PressureEqualizer: Error parsing an int");
     line = endptr;
     return int(result);
 };
@@ -160,7 +160,7 @@ static inline float parse_float(const char *&line)
     char *endptr = NULL;
     float result = strtof(line, &endptr);
     if (endptr == NULL || !is_ws_or_eol(*endptr))
-        throw std::runtime_error("PressureEqualizer: Error parsing a float");
+        throw Slic3r::RuntimeError("PressureEqualizer: Error parsing a float");
     line = endptr;
     return result;
 };
@@ -229,7 +229,7 @@ bool PressureEqualizer::process_line(const char *line, const size_t len, GCodeLi
                     assert(false);
                 }
                 if (i == -1)
-                    throw std::runtime_error(std::string("GCode::PressureEqualizer: Invalid axis for G0/G1: ") + axis);
+                    throw Slic3r::RuntimeError(std::string("GCode::PressureEqualizer: Invalid axis for G0/G1: ") + axis);
                 buf.pos_provided[i] = true;
                 new_pos[i] = parse_float(line);
                 if (i == 3 && m_config->use_relative_e_distances.value)
@@ -298,7 +298,7 @@ bool PressureEqualizer::process_line(const char *line, const size_t len, GCodeLi
                     set = true;
                     break;
                 default:
-                    throw std::runtime_error(std::string("GCode::PressureEqualizer: Incorrect axis in a G92 G-code: ") + axis);
+                    throw Slic3r::RuntimeError(std::string("GCode::PressureEqualizer: Incorrect axis in a G92 G-code: ") + axis);
                 }
                 eatws(line);
             }

src/libslic3r/GCode/PreviewData.cpp

@@ -5,6 +5,8 @@
 
 #include <boost/format.hpp>
 
+#if !ENABLE_GCODE_VIEWER
+
 //! macro used to mark string used at localization, 
 #define L(s) (s)
 
@@ -516,3 +518,5 @@ Color operator * (float f, const Color& color)
 }
 
 } // namespace Slic3r
+
+#endif // !ENABLE_GCODE_VIEWER

src/libslic3r/GCode/PreviewData.hpp

@@ -1,6 +1,8 @@
 #ifndef slic3r_GCode_PreviewData_hpp_
 #define slic3r_GCode_PreviewData_hpp_
 
+#if !ENABLE_GCODE_VIEWER
+
 #include "../libslic3r.h"
 #include "../ExtrusionEntity.hpp"
 #include "../Point.hpp"
@@ -57,7 +59,6 @@ public:
     class RangeBase
     {
     public:
-
         virtual void reset() = 0;
         virtual bool empty() const = 0;
         virtual float min() const = 0;
@@ -98,7 +99,6 @@ public:
     class MultiRange : public RangeBase
     {
     public:
-
         void reset() override
         {
             bounds = decltype(bounds){};
@@ -161,7 +161,6 @@ public:
         }
 
     private:
-
         // Interval bounds
         struct Bounds
         {
@@ -394,4 +393,6 @@ public:
 
 } // namespace Slic3r
 
+#endif // !ENABLE_GCODE_VIEWER
+
 #endif /* slic3r_GCode_PreviewData_hpp_ */

src/libslic3r/GCode/PrintExtents.cpp

@@ -94,7 +94,7 @@ static BoundingBoxf extrusionentity_extents(const ExtrusionEntity *extrusion_ent
     auto *extrusion_entity_collection = dynamic_cast<const ExtrusionEntityCollection*>(extrusion_entity);
     if (extrusion_entity_collection != nullptr)
         return extrusionentity_extents(*extrusion_entity_collection);
-    throw std::runtime_error("Unexpected extrusion_entity type in extrusionentity_extents()");
+    throw Slic3r::RuntimeError("Unexpected extrusion_entity type in extrusionentity_extents()");
     return BoundingBoxf();
 }
 

src/libslic3r/GCode/WipeTower.cpp

@@ -21,7 +21,11 @@ TODO LIST
 #include <vector>
 #include <numeric>
 
+#if ENABLE_GCODE_VIEWER
+#include "GCodeProcessor.hpp"
+#else
 #include "Analyzer.hpp"
+#endif // ENABLE_GCODE_VIEWER
 #include "BoundingBox.hpp"
 
 #if defined(__linux) || defined(__GNUC__ )
@@ -47,19 +51,50 @@ public:
 		m_extrusion_flow(0.f),
 		m_preview_suppressed(false),
 		m_elapsed_time(0.f),
+#if !ENABLE_GCODE_VIEWER || ENABLE_GCODE_VIEWER_DATA_CHECKING
         m_default_analyzer_line_width(line_width),
+#endif // !ENABLE_GCODE_VIEWER || ENABLE_GCODE_VIEWER_DATA_CHECKING
         m_gcode_flavor(flavor),
         m_filpar(filament_parameters)
         {
             // adds tag for analyzer:
             char buf[64];
+#if ENABLE_GCODE_VIEWER
+            sprintf(buf, ";%s%f\n", GCodeProcessor::Height_Tag.c_str(), m_layer_height); // don't rely on GCodeAnalyzer knowing the layer height - it knows nothing at priming
+            m_gcode += buf;
+            sprintf(buf, ";%s%s\n", GCodeProcessor::Extrusion_Role_Tag.c_str(), ExtrusionEntity::role_to_string(erWipeTower).c_str());
+            m_gcode += buf;
+#else
             sprintf(buf, ";%s%f\n", GCodeAnalyzer::Height_Tag.c_str(), m_layer_height); // don't rely on GCodeAnalyzer knowing the layer height - it knows nothing at priming
             m_gcode += buf;
             sprintf(buf, ";%s%d\n", GCodeAnalyzer::Extrusion_Role_Tag.c_str(), erWipeTower);
             m_gcode += buf;
+#endif // ENABLE_GCODE_VIEWER
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
             change_analyzer_line_width(line_width);
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
         }
 
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
+    WipeTowerWriter& change_analyzer_line_width(float line_width) {
+        // adds tag for analyzer:
+        char buf[64];
+        sprintf(buf, ";%s%f\n", GCodeProcessor::Width_Tag.c_str(), line_width);
+        m_gcode += buf;
+        return *this;
+    }
+
+    WipeTowerWriter& change_analyzer_mm3_per_mm(float len, float e) {
+        static const float area = float(M_PI) * 1.75f * 1.75f / 4.f;
+        float mm3_per_mm = (len == 0.f ? 0.f : area * e / len);
+        // adds tag for processor:
+        char buf[64];
+        sprintf(buf, ";%s%f\n", GCodeProcessor::Mm3_Per_Mm_Tag.c_str(), mm3_per_mm);
+        m_gcode += buf;
+        return *this;
+    }
+#else
+#if !ENABLE_GCODE_VIEWER
     WipeTowerWriter& change_analyzer_line_width(float line_width) {
         // adds tag for analyzer:
         char buf[64];
@@ -77,6 +112,8 @@ public:
         m_gcode += buf;
         return *this;
     }
+#endif // !ENABLE_GCODE_VIEWER
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
 
 	WipeTowerWriter& 			 set_initial_position(const Vec2f &pos, float width = 0.f, float depth = 0.f, float internal_angle = 0.f) {
         m_wipe_tower_width = width;
@@ -111,8 +148,13 @@ public:
 	// Suppress / resume G-code preview in Slic3r. Slic3r will have difficulty to differentiate the various
 	// filament loading and cooling moves from normal extrusion moves. Therefore the writer
 	// is asked to suppres output of some lines, which look like extrusions.
+#if !ENABLE_GCODE_VIEWER || ENABLE_GCODE_VIEWER_DATA_CHECKING
     WipeTowerWriter& suppress_preview() { change_analyzer_line_width(0.f); m_preview_suppressed = true; return *this; }
     WipeTowerWriter& resume_preview() { change_analyzer_line_width(m_default_analyzer_line_width); m_preview_suppressed = false; return *this; }
+#else
+    WipeTowerWriter& 			 suppress_preview() { m_preview_suppressed = true; return *this; }
+	WipeTowerWriter& 			 resume_preview()   { m_preview_suppressed = false; return *this; }
+#endif // !ENABLE_GCODE_VIEWER || ENABLE_GCODE_VIEWER_DATA_CHECKING
 
 	WipeTowerWriter& 			 feedrate(float f)
 	{
@@ -149,7 +191,13 @@ public:
 		Vec2f rot(this->rotate(Vec2f(x,y)));                               // this is where we want to go
 
         if (! m_preview_suppressed && e > 0.f && len > 0.f) {
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
             change_analyzer_mm3_per_mm(len, e);
+#else
+#if !ENABLE_GCODE_VIEWER
+            change_analyzer_mm3_per_mm(len, e);
+#endif // !ENABLE_GCODE_VIEWER
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
             // Width of a squished extrusion, corrected for the roundings of the squished extrusions.
 			// This is left zero if it is a travel move.
             float width = e * m_filpar[0].filament_area / (len * m_layer_height);
@@ -411,7 +459,9 @@ private:
 	float		  m_wipe_tower_depth = 0.f;
     unsigned      m_last_fan_speed = 0;
     int           current_temp = -1;
+#if !ENABLE_GCODE_VIEWER || ENABLE_GCODE_VIEWER_DATA_CHECKING
     const float   m_default_analyzer_line_width;
+#endif // !ENABLE_GCODE_VIEWER || ENABLE_GCODE_VIEWER_DATA_CHECKING
     float         m_used_filament_length = 0.f;
     GCodeFlavor   m_gcode_flavor;
     const std::vector<WipeTower::FilamentParameters>& m_filpar;
@@ -852,8 +902,12 @@ void WipeTower::toolchange_Unload(
 	const float line_width = m_perimeter_width * m_filpar[m_current_tool].ramming_line_width_multiplicator;       // desired ramming line thickness
 	const float y_step = line_width * m_filpar[m_current_tool].ramming_step_multiplicator * m_extra_spacing; // spacing between lines in mm
 
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
     writer.append("; CP TOOLCHANGE UNLOAD\n")
         .change_analyzer_line_width(line_width);
+#else
+    writer.append("; CP TOOLCHANGE UNLOAD\n");
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
 
 	unsigned i = 0;										// iterates through ramming_speed
 	m_left_to_right = true;								// current direction of ramming
@@ -930,7 +984,9 @@ void WipeTower::toolchange_Unload(
 		}
 	}
 	Vec2f end_of_ramming(writer.x(),writer.y());
+#if ENABLE_GCODE_VIEWER_DATA_CHECKING
     writer.change_analyzer_line_width(m_perimeter_width);   // so the next lines are not affected by ramming_line_width_multiplier
+#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
 
     // Retraction:
     float old_x = writer.x();

src/libslic3r/GCodeReader.cpp

@@ -1,6 +1,9 @@
 #include "GCodeReader.hpp"
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/split.hpp>
+#if ENABLE_GCODE_VIEWER
+#include <boost/nowide/fstream.hpp>
+#endif // ENABLE_GCODE_VIEWER
 #include <fstream>
 #include <iostream>
 #include <iomanip>
@@ -113,9 +116,18 @@ void GCodeReader::update_coordinates(GCodeLine &gline, std::pair<const char*, co
 
 void GCodeReader::parse_file(const std::string &file, callback_t callback)
 {
+#if ENABLE_GCODE_VIEWER
+    boost::nowide::ifstream f(file);
+#else
     std::ifstream f(file);
+#endif // ENABLE_GCODE_VIEWER
     std::string line;
+#if ENABLE_GCODE_VIEWER
+    m_parsing_file = true;
+    while (m_parsing_file && std::getline(f, line))
+#else
     while (std::getline(f, line))
+#endif // ENABLE_GCODE_VIEWER
         this->parse_line(line, callback);
 }
 

src/libslic3r/GCodeReader.hpp

@@ -107,6 +107,9 @@ public:
         { GCodeLine gline; this->parse_line(line.c_str(), gline, callback); }
 
     void parse_file(const std::string &file, callback_t callback);
+#if ENABLE_GCODE_VIEWER
+    void quit_parsing_file() { m_parsing_file = false; }
+#endif // ENABLE_GCODE_VIEWER
 
     float& x()       { return m_position[X]; }
     float  x() const { return m_position[X]; }
@@ -145,6 +148,9 @@ private:
     char        m_extrusion_axis;
     float       m_position[NUM_AXES];
     bool        m_verbose;
+#if ENABLE_GCODE_VIEWER
+    bool        m_parsing_file{ false };
+#endif // ENABLE_GCODE_VIEWER
 };
 
 } /* namespace Slic3r */

src/libslic3r/GCodeSender.cpp

@@ -153,7 +153,7 @@ GCodeSender::set_baud_rate(unsigned int baud_rate)
 		if (::tcsetattr(handle, TCSAFLUSH, &ios) != 0)
 			printf("Failed to set baud rate: %s\n", strerror(errno));
 #else
-        //throw invalid_argument ("OS does not currently support custom bauds");
+        //throw Slic3r::InvalidArgument("OS does not currently support custom bauds");
 #endif
     }
 }

src/libslic3r/GCodeTimeEstimator.cpp

@@ -1,3 +1,4 @@
+#include "Exception.hpp"
 #include "GCodeTimeEstimator.hpp"
 #include "Utils.hpp"
 #include <boost/bind.hpp>
@@ -9,6 +10,8 @@
 #include <boost/nowide/cstdio.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 
+#if !ENABLE_GCODE_VIEWER
+
 static const float MMMIN_TO_MMSEC = 1.0f / 60.0f;
 static const float MILLISEC_TO_SEC = 0.001f;
 static const float INCHES_TO_MM = 25.4f;
@@ -252,13 +255,13 @@ namespace Slic3r {
     {
         boost::nowide::ifstream in(filename);
         if (!in.good())
-            throw std::runtime_error(std::string("Time estimator post process export failed.\nCannot open file for reading.\n"));
+            throw Slic3r::RuntimeError(std::string("Time estimator post process export failed.\nCannot open file for reading.\n"));
 
         std::string path_tmp = filename + ".postprocess";
 
         FILE* out = boost::nowide::fopen(path_tmp.c_str(), "wb");
         if (out == nullptr)
-            throw std::runtime_error(std::string("Time estimator post process export failed.\nCannot open file for writing.\n"));
+            throw Slic3r::RuntimeError(std::string("Time estimator post process export failed.\nCannot open file for writing.\n"));
 
         std::string normal_time_mask = "M73 P%s R%s\n";
         std::string silent_time_mask = "M73 Q%s S%s\n";
@@ -276,7 +279,7 @@ namespace Slic3r {
                 in.close();
                 fclose(out);
                 boost::nowide::remove(path_tmp.c_str());
-                throw std::runtime_error(std::string("Time estimator post process export failed.\nIs the disk full?\n"));
+                throw Slic3r::RuntimeError(std::string("Time estimator post process export failed.\nIs the disk full?\n"));
             }
             export_line.clear();
         };
@@ -324,7 +327,7 @@ namespace Slic3r {
             if (!in.good())
             {
                 fclose(out);
-                throw std::runtime_error(std::string("Time estimator post process export failed.\nError while reading from file.\n"));
+                throw Slic3r::RuntimeError(std::string("Time estimator post process export failed.\nError while reading from file.\n"));
             }
 
             // check tags
@@ -381,7 +384,7 @@ namespace Slic3r {
         in.close();
 
         if (rename_file(path_tmp, filename))
-            throw std::runtime_error(std::string("Failed to rename the output G-code file from ") + path_tmp + " to " + filename + '\n' +
+            throw Slic3r::RuntimeError(std::string("Failed to rename the output G-code file from ") + path_tmp + " to " + filename + '\n' +
                 "Is " + path_tmp + " locked?" + '\n');
 
         return true;
@@ -1672,3 +1675,5 @@ namespace Slic3r {
     }
 #endif // ENABLE_MOVE_STATS
 }
+
+#endif // !ENABLE_GCODE_VIEWER