NEW:Add progress bar for large file loading (3mf,stl,step)

Change-Id: Ic54ca21e8193b15bbda08c22ea2fc4c93b440741

src/admesh/stl.h

@@ -45,6 +45,8 @@ typedef Eigen::Matrix<int,   3, 1, Eigen::DontAlign> stl_triangle_vertex_indices
 static_assert(sizeof(stl_vertex) == 12, "size of stl_vertex incorrect");
 static_assert(sizeof(stl_normal) == 12, "size of stl_normal incorrect");
 
+typedef std::function<void(int current, int total, bool& cancel)> ImportstlProgressFn;
+
 typedef enum {
     eNormal,  // normal face
     eSmallOverhang,  // small overhang
@@ -244,7 +246,7 @@ struct indexed_triangle_set
     }
 };
 
-extern bool stl_open(stl_file *stl, const char *file);
+extern bool stl_open(stl_file *stl, const char *file, ImportstlProgressFn stlFn = nullptr);
 extern void stl_stats_out(stl_file *stl, FILE *file, char *input_file);
 extern bool stl_print_neighbors(stl_file *stl, char *file);
 extern bool stl_write_ascii(stl_file *stl, const char *file, const char *label);
@@ -398,7 +400,7 @@ extern void stl_calculate_volume(stl_file *stl);
 extern void stl_repair(stl_file *stl, bool fixall_flag, bool exact_flag, bool tolerance_flag, float tolerance, bool increment_flag, float increment, bool nearby_flag, int iterations, bool remove_unconnected_flag, bool fill_holes_flag, bool normal_directions_flag, bool normal_values_flag, bool reverse_all_flag, bool verbose_flag);
 
 extern void stl_allocate(stl_file *stl);
-extern void stl_read(stl_file *stl, int first_facet, bool first);
+extern void stl_read(stl_file *stl, int first_facet, bool first, ImportstlProgressFn stlFn = nullptr);
 extern void stl_facet_stats(stl_file *stl, stl_facet facet, bool &first);
 extern void stl_reallocate(stl_file *stl);
 extern void stl_add_facet(stl_file *stl, const stl_facet *new_facet);

src/admesh/stlinit.cpp

@@ -31,6 +31,7 @@
 #include <boost/predef/other/endian.h>
 
 #include "stl.h"
+#include "libslic3r/Format/STL.hpp"
 
 #include "libslic3r/LocalesUtils.hpp"
 
@@ -42,6 +43,8 @@
 extern void stl_internal_reverse_quads(char *buf, size_t cnt);
 #endif /* BOOST_ENDIAN_BIG_BYTE */
 
+const int LOAD_STL_UNIT_NUM           = 5;
+
 static FILE* stl_open_count_facets(stl_file *stl, const char *file) 
 {
   	// Open the file in binary mode first.
@@ -145,7 +148,7 @@ static FILE* stl_open_count_facets(stl_file *stl, const char *file)
 /* Reads the contents of the file pointed to by fp into the stl structure,
    starting at facet first_facet.  The second argument says if it's our first
    time running this for the stl and therefore we should reset our max and min stats. */
-static bool stl_read(stl_file *stl, FILE *fp, int first_facet, bool first)
+static bool stl_read(stl_file *stl, FILE *fp, int first_facet, bool first, ImportstlProgressFn stlFn)
 {
 	if (stl->stats.type == binary)
     	fseek(fp, HEADER_SIZE, SEEK_SET);
@@ -153,7 +156,19 @@ static bool stl_read(stl_file *stl, FILE *fp, int first_facet, bool first)
     	rewind(fp);
 
   	char normal_buf[3][32];
-  	for (uint32_t i = first_facet; i < stl->stats.number_of_facets; ++ i) {
+
+	uint32_t facets_num = stl->stats.number_of_facets;
+	uint32_t unit = facets_num / LOAD_STL_UNIT_NUM + 1;
+    for (uint32_t i = first_facet; i < facets_num; ++ i) {
+		if ((i % unit) == 0) {
+				bool cb_cancel = false;
+				if (stlFn) {
+					stlFn(i, facets_num, cb_cancel);
+					if (cb_cancel)
+						return false;
+				}
+		}
+
   	  	stl_facet facet;
 
     	if (stl->stats.type == binary) {
@@ -232,7 +247,7 @@ static bool stl_read(stl_file *stl, FILE *fp, int first_facet, bool first)
   	return true;
 }
 
-bool stl_open(stl_file *stl, const char *file)
+bool stl_open(stl_file *stl, const char *file, ImportstlProgressFn stlFn)
 {
     Slic3r::CNumericLocalesSetter locales_setter;
 	stl->clear();
@@ -240,7 +255,7 @@ bool stl_open(stl_file *stl, const char *file)
 	if (fp == nullptr)
 		return false;
 	stl_allocate(stl);
-	bool result = stl_read(stl, fp, 0, true);
+	bool result = stl_read(stl, fp, 0, true, stlFn);
   	fclose(fp);
   	return result;
 }

src/libslic3r/Format/STEP.cpp

@@ -31,9 +31,6 @@
 const double STEP_TRANS_CHORD_ERROR = 0.005;
 const double STEP_TRANS_ANGLE_RES = 1;
 
-const int LOAD_STEP_STAGE_READ_FILE          = 0;
-const int LOAD_STEP_STAGE_GET_SOLID          = 1;
-const int LOAD_STEP_STAGE_GET_MESH           = 2;
 
 namespace Slic3r {
 
@@ -213,11 +210,11 @@ static void getNamedSolids(const TopLoc_Location& location, const std::string& p
     }
 }
 
-bool load_step(const char *path, Model *model, ImportStepProgressFn proFn, StepIsUtf8Fn isUtf8Fn)
+bool load_step(const char *path, Model *model, ImportStepProgressFn stepFn, StepIsUtf8Fn isUtf8Fn)
 {
     bool cb_cancel = false;
-    if (proFn) {
+    if (stepFn) {
-        proFn(LOAD_STEP_STAGE_READ_FILE, 0, 1, cb_cancel);
+        stepFn(LOAD_STEP_STAGE_READ_FILE, 0, 1, cb_cancel);
         if (cb_cancel)
             return false;
     }
@@ -245,9 +242,13 @@ bool load_step(const char *path, Model *model, ImportStepProgressFn proFn, StepI
 
     unsigned int id{1};
     Standard_Integer topShapeLength = topLevelShapes.Length() + 1;
+    auto stage_unit2 = topShapeLength / LOAD_STEP_STAGE_UNIT_NUM + 1;
+
     for (Standard_Integer iLabel = 1; iLabel < topShapeLength; ++iLabel) {
-        if (proFn) {
+        if (stepFn) {
-            proFn(LOAD_STEP_STAGE_GET_SOLID, iLabel, topShapeLength, cb_cancel);
+            if ((iLabel % stage_unit2) == 0) {
+                stepFn(LOAD_STEP_STAGE_GET_SOLID, iLabel, topShapeLength, cb_cancel);
+            }
             if (cb_cancel) {
                 shapeTool.reset(nullptr);
                 application->Close(document);
@@ -338,9 +339,13 @@ bool load_step(const char *path, Model *model, ImportStepProgressFn proFn, StepI
     const char * last_slash = strrchr(path, DIR_SEPARATOR);
     new_object->name.assign((last_slash == nullptr) ? path : last_slash + 1);
     new_object->input_file = path;
+
+    auto stage_unit3 = stl.size() / LOAD_STEP_STAGE_UNIT_NUM + 1;
     for (size_t i = 0; i < stl.size(); i++) {
-        if (proFn) {
+        if (stepFn) {
-            proFn(LOAD_STEP_STAGE_GET_MESH, i, namedSolids.size(), cb_cancel);
+            if ((i % stage_unit3) == 0) {
+                stepFn(LOAD_STEP_STAGE_GET_MESH, i, stl.size(), cb_cancel);
+            }
             if (cb_cancel) {
                 model->delete_object(new_object);
                 shapeTool.reset(nullptr);

src/libslic3r/Format/STEP.hpp

@@ -6,6 +6,13 @@ namespace Slic3r {
 class TriangleMesh;
 class ModelObject;
 
+// load step stage
+const int LOAD_STEP_STAGE_READ_FILE          = 0;
+const int LOAD_STEP_STAGE_GET_SOLID          = 1;
+const int LOAD_STEP_STAGE_GET_MESH           = 2;
+const int LOAD_STEP_STAGE_NUM                = 3;
+const int LOAD_STEP_STAGE_UNIT_NUM           = 5;
+
 typedef std::function<void(int load_stage, int current, int total, bool& cancel)> ImportStepProgressFn;
 typedef std::function<void(bool isUtf8)> StepIsUtf8Fn;
 

src/libslic3r/Format/STL.cpp

@@ -14,10 +14,10 @@
 
 namespace Slic3r {
 
-bool load_stl(const char *path, Model *model, const char *object_name_in)
+bool load_stl(const char *path, Model *model, const char *object_name_in, ImportstlProgressFn stlFn)
 {
     TriangleMesh mesh;
-    if (! mesh.ReadSTLFile(path)) {
+    if (! mesh.ReadSTLFile(path, true, stlFn)) {
 //    die "Failed to open $file\n" if !-e $path;
         return false;
     }

src/libslic3r/Format/STL.hpp

@@ -1,13 +1,16 @@
 #ifndef slic3r_Format_STL_hpp_
 #define slic3r_Format_STL_hpp_
 
+#include <admesh/stl.h>
+
 namespace Slic3r {
 
+class Model;
 class TriangleMesh;
 class ModelObject;
 
 // Load an STL file into a provided model.
-extern bool load_stl(const char *path, Model *model, const char *object_name = nullptr);
+extern bool load_stl(const char *path, Model *model, const char *object_name = nullptr, ImportstlProgressFn stlFn = nullptr);
 
 extern bool store_stl(const char *path, TriangleMesh *mesh, bool binary);
 extern bool store_stl(const char *path, ModelObject *model_object, bool binary);

src/libslic3r/Format/bbs_3mf.hpp

@@ -166,6 +166,7 @@ const int IMPORT_STAGE_CHECK_MODE_GCODE = 9;
 const int UPDATE_GCODE_RESULT           = 10;
 const int IMPORT_LOAD_CONFIG            = 11;
 const int IMPORT_LOAD_MODEL_OBJECTS     = 12;
+const int IMPORT_STAGE_MAX              = 13;
 
 //BBS export 3mf progress
 typedef std::function<void(int export_stage, int current, int total, bool& cancel)> Export3mfProgressFn;

src/libslic3r/Model.cpp

@@ -137,7 +137,7 @@ Model::~Model()
 // Loading model from a file, it may be a simple geometry file as STL or OBJ, however it may be a project file as well.
 Model Model::read_from_file(const std::string& input_file, DynamicPrintConfig* config, ConfigSubstitutionContext* config_substitutions,
                             LoadStrategy options, PlateDataPtrs* plate_data, std::vector<Preset*>* project_presets, bool *is_xxx, Semver* file_version, Import3mfProgressFn proFn,
-                            ImportStepProgressFn stepFn, StepIsUtf8Fn stepIsUtf8Fn, BBLProject* project)
+                            ImportstlProgressFn stlFn, ImportStepProgressFn stepFn, StepIsUtf8Fn stepIsUtf8Fn, BBLProject* project)
 {
     Model model;
 
@@ -163,7 +163,7 @@ Model Model::read_from_file(const std::string& input_file, DynamicPrintConfig* c
         boost::algorithm::iends_with(input_file, ".step"))
         result = load_step(input_file.c_str(), &model, stepFn, stepIsUtf8Fn);
     else if (boost::algorithm::iends_with(input_file, ".stl"))
-        result = load_stl(input_file.c_str(), &model);
+        result = load_stl(input_file.c_str(), &model, nullptr, stlFn);
     else if (boost::algorithm::iends_with(input_file, ".obj"))
         result = load_obj(input_file.c_str(), &model);
     //BBS: remove the old .amf.xml files

src/libslic3r/Model.hpp

@@ -18,6 +18,8 @@
 #include "Format/bbs_3mf.hpp"
 //BBS: add step
 #include "Format/STEP.hpp"
+//BBS: add stl
+#include "Format/STL.hpp"
 
 #include <map>
 #include <memory>
@@ -1282,7 +1284,7 @@ public:
         DynamicPrintConfig* config = nullptr, ConfigSubstitutionContext* config_substitutions = nullptr,
         LoadStrategy options = LoadStrategy::AddDefaultInstances, PlateDataPtrs* plate_data = nullptr,
         std::vector<Preset*>* project_presets = nullptr, bool* is_xxx = nullptr, Semver* file_version = nullptr, Import3mfProgressFn proFn = nullptr,
-        ImportStepProgressFn stepFn = nullptr, StepIsUtf8Fn stepIsUtf8Fn = nullptr, BBLProject* project = nullptr);
+        ImportstlProgressFn stlFn = nullptr, ImportStepProgressFn stepFn = nullptr, StepIsUtf8Fn stepIsUtf8Fn = nullptr, BBLProject* project = nullptr);
     // BBS
     static double findMaxSpeed(const ModelObject* object);
     static double getThermalLength(const ModelVolume* modelVolumePtr);

src/libslic3r/TriangleMesh.cpp

@@ -9,7 +9,7 @@
 #include "Execution/ExecutionTBB.hpp"
 #include "Execution/ExecutionSeq.hpp"
 #include "Utils.hpp"
-
+#include "Format/STL.hpp"
 #include <libqhullcpp/Qhull.h>
 #include <libqhullcpp/QhullFacetList.h>
 #include <libqhullcpp/QhullVertexSet.h>
@@ -208,10 +208,10 @@ bool TriangleMesh::from_stl(stl_file& stl, bool repair)
     return true;
 }
 
-bool TriangleMesh::ReadSTLFile(const char* input_file, bool repair)
+bool TriangleMesh::ReadSTLFile(const char* input_file, bool repair, ImportstlProgressFn stlFn)
 { 
     stl_file stl;
-    if (! stl_open(&stl, input_file))
+    if (! stl_open(&stl, input_file, stlFn))
         return false;
     return from_stl(stl, repair);
 }

src/libslic3r/TriangleMesh.hpp

@@ -10,7 +10,7 @@
 #include "Point.hpp"
 #include "Polygon.hpp"
 #include "ExPolygon.hpp"
-
+#include "Format/STL.hpp"
 namespace Slic3r {
 
 class TriangleMesh;
@@ -94,7 +94,7 @@ public:
     explicit TriangleMesh(indexed_triangle_set &&M, const RepairedMeshErrors& repaired_errors = RepairedMeshErrors());
     void clear() { this->its.clear(); this->m_stats.clear(); }
     bool from_stl(stl_file& stl, bool repair = true);
-    bool ReadSTLFile(const char* input_file, bool repair = true);
+    bool ReadSTLFile(const char* input_file, bool repair = true, ImportstlProgressFn stlFn = nullptr);
     bool write_ascii(const char* output_file);
     bool write_binary(const char* output_file);
     float volume();

src/slic3r/GUI/Plater.cpp

@@ -1,5 +1,4 @@
 #include "Plater.hpp"
-
 #include <cstddef>
 #include <algorithm>
 #include <numeric>
@@ -41,6 +40,7 @@
 
 #include "libslic3r/libslic3r.h"
 #include "libslic3r/Format/STL.hpp"
+#include "libslic3r/Format/STEP.hpp"
 #include "libslic3r/Format/AMF.hpp"
 //#include "libslic3r/Format/3mf.hpp"
 #include "libslic3r/Format/bbs_3mf.hpp"
@@ -2576,7 +2576,39 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
     int answer_convert_from_imperial_units  = wxOK_DEFAULT;
     int tolal_model_count                   = 0;
 
+    int progress_percent = 0;
+    int total_files = input_files.size();
+    const int stage_percent[IMPORT_STAGE_MAX+1] = {
+            5,      // IMPORT_STAGE_RESTORE
+            10,     // IMPORT_STAGE_OPEN
+            30,     // IMPORT_STAGE_READ_FILES
+            50,     // IMPORT_STAGE_EXTRACT
+            60,     // IMPORT_STAGE_LOADING_OBJECTS
+            70,     // IMPORT_STAGE_LOADING_PLATES
+            80,     // IMPORT_STAGE_FINISH
+            85,     // IMPORT_STAGE_ADD_INSTANCE
+            90,      // IMPORT_STAGE_UPDATE_GCODE
+            92,     // IMPORT_STAGE_CHECK_MODE_GCODE
+            95,     // UPDATE_GCODE_RESULT
+            98,     // IMPORT_LOAD_CONFIG
+            99,     // IMPORT_LOAD_MODEL_OBJECTS
+            100
+     };
+    const int step_percent[LOAD_STEP_STAGE_NUM+1] = {
+            5,     // LOAD_STEP_STAGE_READ_FILE
+            30,     // LOAD_STEP_STAGE_GET_SOLID
+            60,     // LOAD_STEP_STAGE_GET_MESH
+            100
+     };
+
+    const float INPUT_FILES_RATIO            = 0.7;
+    const float INIT_MODEL_RATIO             = 0.75;
+    const float CENTER_AROUND_ORIGIN_RATIO   = 0.8;
+    const float LOAD_MODEL_RATIO             = 0.9;
+
     for (size_t i = 0; i < input_files.size(); ++i) {
+        int file_percent = 0;
+
 #ifdef _WIN32
         auto path = input_files[i];
         // On Windows, we swap slashes to back slashes, see GH #6803 as read_from_file() does not understand slashes on Windows thus it assignes full path to names of loaded objects.
@@ -2593,8 +2625,6 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
         dlg_cont = dlg.Update(progress_percent, dlg_info);
         if (!dlg_cont) return empty_result;
 
-        dlg.Fit();
-
         const bool type_3mf = std::regex_match(path.string(), pattern_3mf);
         // const bool type_zip_amf = !type_3mf && std::regex_match(path.string(), pattern_zip_amf);
         const bool type_any_amf = !type_3mf && std::regex_match(path.string(), pattern_any_amf);
@@ -2625,13 +2655,15 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                     // BBS: backup & restore
                     model = Slic3r::Model::read_from_archive(path.string(), &config_loaded, &config_substitutions, en_3mf_file_type, strategy, &plate_data, &project_presets,
                                                              &file_version,
-                                                             [this, &dlg, real_filename, progress_percent](int import_stage, int current, int total, bool &cancel) {
+                                                             [this, &dlg, real_filename, &progress_percent, &file_percent, stage_percent, INPUT_FILES_RATIO, total_files, i](int import_stage, int current, int total, bool &cancel) {
                                                                  bool     cont = true;
+                                                                 float percent_float = (100.0f * (float)i / (float)total_files) + INPUT_FILES_RATIO * ((float)stage_percent[import_stage] + (float)current * (float)(stage_percent[import_stage + 1] - stage_percent[import_stage]) /(float) total) / (float)total_files;
+                                                                 BOOST_LOG_TRIVIAL(trace) << "load_3mf_file: percent(float)=" << percent_float << ", stage = " << import_stage << ", curr = " << current << ", total = " << total;
+                                                                 progress_percent = (int)percent_float;
                                                                  wxString msg  = wxString::Format(_L("Loading file: %s"), from_path(real_filename));
                                                                  cont          = dlg.Update(progress_percent, msg);
                                                                  cancel        = !cont;
                                                              });
-
                     BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << ":" << __LINE__
                                             << boost::format(", plate_data.size %1%, project_preset.size %2%, is_bbs_3mf %3%, file_version %4% \n") % plate_data.size() %
                                                    project_presets.size() % (en_3mf_file_type == En3mfType::From_BBS) % file_version.to_string();
@@ -2866,9 +2898,23 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                 Semver                file_version;
                 model = Slic3r::Model::read_from_file(
                     path.string(), nullptr, nullptr, strategy, &plate_data, &project_presets, &is_xxx, &file_version, nullptr,
-                    [&dlg, real_filename, progress_percent](int import_stage, int current, int total, bool &cancel) {
+                    [this, &dlg, real_filename, &progress_percent, &file_percent, INPUT_FILES_RATIO, total_files, i](int current, int total, bool &cancel)
+                    {
                             bool     cont = true;
-                        wxString msg  = wxString::Format("Loading file: %s", from_path(real_filename));
+                            float percent_float = (100.0f * (float)i / (float)total_files) + INPUT_FILES_RATIO * 100.0f * ((float)current / (float)total) / (float)total_files;
+                            BOOST_LOG_TRIVIAL(trace) << "load_stl_file: percent(float)=" << percent_float << ", curr = " << current << ", total = " << total;
+                            progress_percent = (int)percent_float;
+                            wxString msg  = wxString::Format(_L("Loading file: %s"), from_path(real_filename));
+                            cont          = dlg.Update(progress_percent, msg);
+                            cancel        = !cont;
+                     },
+                    [this, &dlg, real_filename, &progress_percent, &file_percent, step_percent, INPUT_FILES_RATIO, total_files, i](int load_stage, int current, int total, bool &cancel)
+                    {
+                            bool     cont = true;
+                            float percent_float = (100.0f * (float)i / (float)total_files) + INPUT_FILES_RATIO * ((float)step_percent[load_stage] + (float)current * (float)(step_percent[load_stage + 1] - step_percent[load_stage]) / (float)total) / (float)total_files;
+                            BOOST_LOG_TRIVIAL(trace) << "load_step_file: percent(float)=" << percent_float << ", stage = " << load_stage << ", curr = " << current << ", total = " << total;
+                            progress_percent = (int)percent_float;
+                            wxString msg  = wxString::Format(_L("Loading file: %s"), from_path(real_filename));
                             cont          = dlg.Update(progress_percent, msg);
                             cancel        = !cont;
                     },
@@ -2912,6 +2958,10 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
             continue;
         }
 
+        progress_percent = 100.0f * (float)i / (float)total_files + INIT_MODEL_RATIO * 100.0f / (float)total_files;
+        dlg_cont = dlg.Update(progress_percent);
+        if (!dlg_cont) return empty_result;
+
         if (load_model) {
             // The model should now be initialized
             auto convert_from_imperial_units = [](Model &model, bool only_small_volumes) { model.convert_from_imperial_units(only_small_volumes); };
@@ -2988,6 +3038,10 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
         //        return obj_idxs;
         //}
 
+        progress_percent = 100.0f * (float)i / (float)total_files + CENTER_AROUND_ORIGIN_RATIO * 100.0f / (float)total_files;
+        dlg_cont = dlg.Update(progress_percent);
+        if (!dlg_cont) return empty_result;
+
         int model_idx = 0;
         for (ModelObject *model_object : model.objects) {
             if (!type_3mf && !type_any_amf) model_object->center_around_origin(false);
@@ -3004,6 +3058,9 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
 
         tolal_model_count += model_idx;
 
+        progress_percent = 100.0f * (float)i / (float)total_files + LOAD_MODEL_RATIO * 100.0f / (float)total_files;
+        dlg_cont = dlg.Update(progress_percent);
+        if (!dlg_cont) return empty_result;
 
         if (one_by_one) {
             // BBS: add load_old_project logic