Port Emboss & SVG gizmo from PrusaSlicer (#2819)

* Rework UI jobs to make them more understandable and flexible.

* Update Orca specific jobs

* Fix progress issue

* Fix dark mode and window radius

* Update cereal version from 1.2.2 to 1.3.0

(cherry picked from commit prusa3d/PrusaSlicer@057232a275)

* Initial port of Emboss gizmo

* Bump up CGAL version to 5.4

(cherry picked from commit prusa3d/PrusaSlicer@1bf9dee3e7)

* Fix text rotation

* Fix test dragging

* Add text gizmo to right click menu

* Initial port of SVG gizmo

* Fix text rotation

* Fix Linux build

* Fix "from surface"

* Fix -90 rotation

* Fix icon path

* Fix loading font with non-ascii name

* Fix storing non-utf8 font descriptor in 3mf file

* Fix filtering with non-utf8 characters

* Emboss: Use Orca style input dialog

* Fix build on macOS

* Fix tooltip color in light mode

* InputText: fixed incorrect padding when FrameBorder > 0. (ocornut/imgui#4794, ocornut/imgui#3781)
InputTextMultiline: fixed vertical tracking with large values of FramePadding.y. (ocornut/imgui#3781, ocornut/imgui#4794)

(cherry picked from commit ocornut/imgui@072caa4a90)
(cherry picked from commit ocornut/imgui@bdd2a94315)

* SVG: Use Orca style input dialog

* Fix job progress update

* Fix crash when select editing text in preview screen

* Use Orca checkbox style

* Fix issue that toolbar icons are kept regenerated

* Emboss: Fix text & icon alignment

* SVG: Fix text & icon alignment

* Emboss: fix toolbar icon mouse hover state

* Add a simple subtle outline effect by drawing back faces using wireframe mode

* Disable selection outlines

* Show outline in white if the model color is too dark

* Make the outline algorithm more reliable

* Enable cull face, which fix render on Linux

* Fix `disable_cullface`

* Post merge fix

* Optimize selection rendering

* Fix scale gizmo

* Emboss: Fix text rotation if base object is scaled

* Fix volume synchronize

* Fix emboss rotation

* Emboss: Fix advance toggle

* Fix text position after reopened the project

* Make font style preview darker

* Make font style preview selector height shorter

---------

Co-authored-by: tamasmeszaros <meszaros.q@gmail.com>
Co-authored-by: ocornut <omarcornut@gmail.com>
Co-authored-by: SoftFever <softfeverever@gmail.com>

src/libslic3r/Polygon.cpp

@@ -1,3 +1,14 @@
+///|/ Copyright (c) Prusa Research 2016 - 2023 Vojtěch Bubník @bubnikv, Filip Sykala @Jony01, Lukáš Matěna @lukasmatena, Tomáš Mészáros @tamasmeszaros, Enrico Turri @enricoturri1966
+///|/ Copyright (c) Slic3r 2013 - 2015 Alessandro Ranellucci @alranel
+///|/ Copyright (c) 2014 Petr Ledvina @ledvinap
+///|/
+///|/ ported from lib/Slic3r/Polygon.pm:
+///|/ Copyright (c) Prusa Research 2017 - 2022 Vojtěch Bubník @bubnikv
+///|/ Copyright (c) Slic3r 2011 - 2014 Alessandro Ranellucci @alranel
+///|/ Copyright (c) 2012 Mark Hindess
+///|/
+///|/ PrusaSlicer is released under the terms of the AGPLv3 or higher
+///|/
 #include "BoundingBox.hpp"
 #include "ClipperUtils.hpp"
 #include "Exception.hpp"
@@ -454,6 +465,38 @@ bool has_duplicate_points(const Polygons &polys)
 #endif
 }
 
+bool remove_same_neighbor(Polygon &polygon)
+{
+    Points &points = polygon.points;
+    if (points.empty())
+        return false;
+    auto last = std::unique(points.begin(), points.end());
+
+    // remove first and last neighbor duplication
+    if (const Point &last_point = *(last - 1); last_point == points.front()) {
+        --last;
+    }
+
+    // no duplicits
+    if (last == points.end())
+        return false;
+
+    points.erase(last, points.end());
+    return true;
+}
+
+bool remove_same_neighbor(Polygons &polygons)
+{
+    if (polygons.empty())
+        return false;
+    bool exist = false;
+    for (Polygon &polygon : polygons)
+        exist |= remove_same_neighbor(polygon);
+    // remove empty polygons
+    polygons.erase(std::remove_if(polygons.begin(), polygons.end(), [](const Polygon &p) { return p.points.size() <= 2; }), polygons.end());
+    return exist;
+}
+
 static inline bool is_stick(const Point &p1, const Point &p2, const Point &p3)
 {
     Point v1 = p2 - p1;