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diff --git a/graphics/asymptote/prc/oPRCFile.cc b/graphics/asymptote/prc/oPRCFile.cc
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+++ b/graphics/asymptote/prc/oPRCFile.cc
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+/************
+*
+* This file is part of a tool for producing 3D content in the PRC format.
+* Copyright (C) 2008 Orest Shardt <shardtor (at) gmail dot com> and
+* Michail Vidiassov <master@iaas.msu.ru>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+*************/
+
+#include "oPRCFile.h"
+#include <time.h>
+#include <sstream>
+#include <iostream>
+#include <fstream>
+#include <iomanip>
+#include <cstring>
+#include <zlib.h>
+
+namespace prc {
+
+#define WriteUnsignedInteger( value ) out << (uint32_t)(value);
+#define WriteInteger( value ) out << (int32_t)(value);
+#define WriteDouble( value ) out << (double)(value);
+#define WriteString( value ) out << (value);
+#define WriteUncompressedUnsignedInteger( value ) writeUncompressedUnsignedInteger(out, (uint32_t)(value));
+#define WriteUncompressedBlock( value, count ) out.write((char *)(value),(count));
+#define SerializeFileStructureUncompressedUniqueId( value ) (value).serializeFileStructureUncompressedUniqueId(out);
+#define SerializeCompressedUniqueId( value ) (value).serializeCompressedUniqueId(out);
+#define SerializeContentPRCBase write(out);
+#define SerializeRgbColor( value ) (value).serializeRgbColor(out);
+#define SerializePicture( value ) (value).serializePicture(out);
+#define SerializeTextureDefinition( value ) (value)->serializeTextureDefinition(out);
+#define SerializeMarkup( value ) (value)->serializeMarkup(out);
+#define SerializeAnnotationEntity( value ) (value)->serializeAnnotationEntity(out);
+#define SerializeFontKeysSameFont( value ) (value).serializeFontKeysSameFont(out);
+#define SerializeMaterial( value ) (value)->serializeMaterial(out);
+
+#define SerializeUserData UserData(0,0).write(out);
+#define SerializeEmptyContentPRCBase ContentPRCBase(PRC_TYPE_ROOT_PRCBase).serializeContentPRCBase(out);
+#define SerializeCategory1LineStyle( value ) (value)->serializeCategory1LineStyle(out);
+#define SerializeCoordinateSystem( value ) (value)->serializeCoordinateSystem(out);
+#define SerializeRepresentationItem( value ) (value)->serializeRepresentationItem(out);
+#define SerializePartDefinition( value ) (value)->serializePartDefinition(out);
+#define SerializeProductOccurrence( value ) (value)->serializeProductOccurrence(out);
+#define SerializeContextAndBodies( value ) (value)->serializeContextAndBodies(out);
+#define SerializeGeometrySummary( value ) (value)->serializeGeometrySummary(out);
+#define SerializeContextGraphics( value ) (value)->serializeContextGraphics(out);
+#define SerializeStartHeader serializeStartHeader(out);
+#define SerializeUncompressedFiles \
+ { \
+ const uint32_t number_of_uncompressed_files = uncompressed_files.size(); \
+ WriteUncompressedUnsignedInteger (number_of_uncompressed_files) \
+ for(PRCUncompressedFileList::const_iterator it = uncompressed_files.begin(); it != uncompressed_files.end(); it++) \
+ { \
+ WriteUncompressedUnsignedInteger ((*it)->file_size) \
+ WriteUncompressedBlock ((*it)->data, (*it)->file_size) \
+ } \
+ }
+#define SerializeModelFileData serializeModelFileData(modelFile_out); modelFile_out.compress();
+#define SerializeUnit( value ) (value).serializeUnit(out);
+
+using namespace std;
+
+void PRCFileStructure::serializeFileStructureGlobals(PRCbitStream &out)
+{
+ // even though this is technically not part of this section,
+ // it is handled here for convenience
+ const uint32_t number_of_schema = 0;
+ WriteUnsignedInteger (number_of_schema)
+
+ WriteUnsignedInteger (PRC_TYPE_ASM_FileStructureGlobals)
+
+ PRCSingleAttribute sa((int32_t)PRCVersion);
+ PRCAttribute a("__PRC_RESERVED_ATTRIBUTE_PRCInternalVersion");
+ a.addKey(sa);
+ ContentPRCBase cb(PRC_TYPE_ROOT_PRCBase);
+ cb.addAttribute(a);
+ cb.serializeContentPRCBase(out);
+ WriteUnsignedInteger (number_of_referenced_file_structures)
+ // SerializeFileStructureInternalGlobalData
+ WriteDouble (tessellation_chord_height_ratio)
+ WriteDouble (tessellation_angle_degree)
+
+ // SerializeMarkupSerializationHelper
+ WriteString (default_font_family_name)
+
+ const uint32_t number_of_fonts = font_keys_of_font.size();
+ WriteUnsignedInteger (number_of_fonts)
+ for (uint32_t i=0;i<number_of_fonts;i++)
+ {
+ SerializeFontKeysSameFont (font_keys_of_font[i])
+ }
+
+ const uint32_t number_of_colors = colors.size();
+ WriteUnsignedInteger (number_of_colors)
+ for (uint32_t i=0;i<number_of_colors;i++)
+ SerializeRgbColor (colors[i])
+
+ const uint32_t number_of_pictures = pictures.size();
+ WriteUnsignedInteger (number_of_pictures)
+ for (uint32_t i=0;i<number_of_pictures;i++)
+ SerializePicture (pictures[i])
+
+ const uint32_t number_of_texture_definitions = texture_definitions.size();
+ WriteUnsignedInteger (number_of_texture_definitions)
+ for (uint32_t i=0;i<number_of_texture_definitions;i++)
+ SerializeTextureDefinition (texture_definitions[i])
+
+ const uint32_t number_of_materials = materials.size();
+ WriteUnsignedInteger (number_of_materials)
+ for (uint32_t i=0;i<number_of_materials;i++)
+ SerializeMaterial (materials[i])
+
+ // number of line patterns hard coded for now
+ const uint32_t number_of_line_patterns = 1;
+ WriteUnsignedInteger (number_of_line_patterns)
+ PRCLinePattern().serializeLinePattern(out);
+
+ const uint32_t number_of_styles = styles.size();
+ WriteUnsignedInteger (number_of_styles)
+ for (uint32_t i=0;i<number_of_styles;i++)
+ SerializeCategory1LineStyle (styles[i])
+
+ const uint32_t number_of_fill_patterns = 0;
+ WriteUnsignedInteger (number_of_fill_patterns)
+
+ const uint32_t number_of_reference_coordinate_systems = reference_coordinate_systems.size();
+ WriteUnsignedInteger (number_of_reference_coordinate_systems)
+ for (uint32_t i=0;i<number_of_reference_coordinate_systems;i++)
+ SerializeCoordinateSystem (reference_coordinate_systems[i])
+
+ SerializeUserData
+}
+
+void PRCFileStructure::serializeFileStructureTree(PRCbitStream &out)
+{
+ WriteUnsignedInteger (PRC_TYPE_ASM_FileStructureTree)
+
+ SerializeEmptyContentPRCBase
+
+ const uint32_t number_of_part_definitions = part_definitions.size();
+ WriteUnsignedInteger (number_of_part_definitions)
+ for (uint32_t i=0;i<number_of_part_definitions;i++)
+ SerializePartDefinition (part_definitions[i])
+
+ const uint32_t number_of_product_occurrences = product_occurrences.size();
+ WriteUnsignedInteger (number_of_product_occurrences)
+ for (uint32_t i=0;i<number_of_product_occurrences;i++)
+ {
+ product_occurrences[i]->unit_information.unit_from_CAD_file = true;
+ product_occurrences[i]->unit_information.unit = unit;
+ SerializeProductOccurrence (product_occurrences[i])
+ }
+
+ // SerializeFileStructureInternalData
+ WriteUnsignedInteger (PRC_TYPE_ASM_FileStructure)
+ SerializeEmptyContentPRCBase
+ const uint32_t next_available_index = makePRCID();
+ WriteUnsignedInteger (next_available_index)
+ const uint32_t index_product_occurence = number_of_product_occurrences; // Asymptote (oPRCFile) specific - we write the root product last
+ WriteUnsignedInteger (index_product_occurence)
+
+ SerializeUserData
+}
+
+void PRCFileStructure::serializeFileStructureTessellation(PRCbitStream &out)
+{
+ WriteUnsignedInteger (PRC_TYPE_ASM_FileStructureTessellation)
+
+ SerializeEmptyContentPRCBase
+ const uint32_t number_of_tessellations = tessellations.size();
+ WriteUnsignedInteger (number_of_tessellations)
+ for (uint32_t i=0;i<number_of_tessellations;i++)
+ tessellations[i]->serializeBaseTessData(out);
+
+ SerializeUserData
+}
+
+void PRCFileStructure::serializeFileStructureGeometry(PRCbitStream &out)
+{
+ WriteUnsignedInteger (PRC_TYPE_ASM_FileStructureGeometry)
+
+ SerializeEmptyContentPRCBase
+ const uint32_t number_of_contexts = contexts.size();
+ WriteUnsignedInteger (number_of_contexts)
+ for (uint32_t i=0;i<number_of_contexts;i++)
+ SerializeContextAndBodies (contexts[i])
+
+ SerializeUserData
+}
+
+void PRCFileStructure::serializeFileStructureExtraGeometry(PRCbitStream &out)
+{
+ WriteUnsignedInteger (PRC_TYPE_ASM_FileStructureExtraGeometry)
+
+ SerializeEmptyContentPRCBase
+ const uint32_t number_of_contexts = contexts.size();
+ WriteUnsignedInteger (number_of_contexts)
+ for (uint32_t i=0;i<number_of_contexts;i++)
+ {
+ SerializeGeometrySummary (contexts[i])
+ SerializeContextGraphics (contexts[i])
+ }
+
+ SerializeUserData
+}
+
+void oPRCFile::serializeModelFileData(PRCbitStream &out)
+{
+ // even though this is technically not part of this section,
+ // it is handled here for convenience
+ const uint32_t number_of_schema = 0;
+ WriteUnsignedInteger (number_of_schema)
+ WriteUnsignedInteger (PRC_TYPE_ASM_ModelFile)
+
+ PRCSingleAttribute sa((int32_t)PRCVersion);
+ PRCAttribute a("__PRC_RESERVED_ATTRIBUTE_PRCInternalVersion");
+ a.addKey(sa);
+ ContentPRCBase cb(PRC_TYPE_ROOT_PRCBase,"PRC file");
+ cb.addAttribute(a);
+ cb.serializeContentPRCBase(out);
+
+ SerializeUnit (unit)
+
+ out << (uint32_t)1; // 1 product occurrence
+ //UUID
+ SerializeCompressedUniqueId( fileStructures[0]->file_structure_uuid )
+ // index+1
+ out << (uint32_t)fileStructures[0]->product_occurrences.size();
+ // active
+ out << true;
+ out << (uint32_t)0; // index in model file
+
+ SerializeUserData
+}
+
+void makeFileUUID(PRCUniqueId& UUID)
+{
+ // make a UUID
+ static uint32_t count = 0;
+ ++count;
+ // the minimum requirement on UUIDs is that all must be unique in the file
+ UUID.id0 = 0x33595341; // some constant
+ UUID.id1 = (uint32_t)time(NULL); // the time
+ UUID.id2 = count;
+ UUID.id3 = 0xa5a55a5a; // Something random, not seeded by the time, would be nice. But for now, a constant
+ // maybe add something else to make it more unique
+ // so multiple files can be combined
+ // a hash of some data perhaps?
+}
+
+void makeAppUUID(PRCUniqueId& UUID)
+{
+ UUID.id0 = UUID.id1 = UUID.id2 = UUID.id3 = 0;
+}
+
+void PRCUncompressedFile::write(ostream &out) const
+{
+ if(data!=NULL)
+ {
+ WriteUncompressedUnsignedInteger (file_size)
+ out.write((char*)data,file_size);
+ }
+}
+
+uint32_t PRCUncompressedFile::getSize() const
+{
+ return sizeof(file_size)+file_size;
+}
+
+
+void PRCStartHeader::serializeStartHeader(ostream &out) const
+{
+ WriteUncompressedBlock ("PRC",3)
+ WriteUncompressedUnsignedInteger (minimal_version_for_read)
+ WriteUncompressedUnsignedInteger (authoring_version)
+ SerializeFileStructureUncompressedUniqueId( file_structure_uuid );
+ SerializeFileStructureUncompressedUniqueId( application_uuid );
+}
+
+uint32_t PRCStartHeader::getStartHeaderSize() const
+{
+ return 3+(2+2*4)*sizeof(uint32_t);
+}
+
+
+void PRCFileStructure::write(ostream &out)
+{
+ // SerializeFileStructureHeader
+ SerializeStartHeader
+ SerializeUncompressedFiles
+ globals_out.write(out);
+ tree_out.write(out);
+ tessellations_out.write(out);
+ geometry_out.write(out);
+ extraGeometry_out.write(out);
+}
+
+#define SerializeFileStructureGlobals serializeFileStructureGlobals(globals_out); globals_out.compress(); sizes[1]=globals_out.getSize();
+#define SerializeFileStructureTree serializeFileStructureTree(tree_out); tree_out.compress(); sizes[2]=tree_out.getSize();
+#define SerializeFileStructureTessellation serializeFileStructureTessellation(tessellations_out); tessellations_out.compress(); sizes[3]=tessellations_out.getSize();
+#define SerializeFileStructureGeometry serializeFileStructureGeometry(geometry_out); geometry_out.compress(); sizes[4]=geometry_out.getSize();
+#define SerializeFileStructureExtraGeometry serializeFileStructureExtraGeometry(extraGeometry_out); extraGeometry_out.compress(); sizes[5]=extraGeometry_out.getSize();
+#define FlushSerialization resetGraphicsAndName();
+void PRCFileStructure::prepare()
+{
+ uint32_t size = 0;
+ size += getStartHeaderSize();
+ size += sizeof(uint32_t);
+ for(PRCUncompressedFileList::const_iterator it = uncompressed_files.begin(); it != uncompressed_files.end(); it++)
+ size += (*it)->getSize();
+ sizes[0]=size;
+
+ SerializeFileStructureGlobals
+ FlushSerialization
+
+ SerializeFileStructureTree
+ FlushSerialization
+
+ SerializeFileStructureTessellation
+ FlushSerialization
+
+ SerializeFileStructureGeometry
+ FlushSerialization
+
+ SerializeFileStructureExtraGeometry
+ FlushSerialization
+}
+
+uint32_t PRCFileStructure::getSize()
+{
+ uint32_t size = 0;
+ for(size_t i=0; i<6; i++)
+ size += sizes[i];
+ return size;
+}
+
+
+void PRCFileStructureInformation::write(ostream &out)
+{
+ SerializeFileStructureUncompressedUniqueId( UUID );
+
+ WriteUncompressedUnsignedInteger (reserved)
+ WriteUncompressedUnsignedInteger (number_of_offsets)
+ for(uint32_t i = 0; i < number_of_offsets; ++i)
+ {
+ WriteUncompressedUnsignedInteger (offsets[i])
+ }
+}
+
+uint32_t PRCFileStructureInformation::getSize()
+{
+ return (4+2+number_of_offsets)*sizeof(uint32_t);
+}
+
+void PRCHeader::write(ostream &out)
+{
+ SerializeStartHeader
+ WriteUncompressedUnsignedInteger (number_of_file_structures)
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ fileStructureInformation[i].write(out);
+ }
+ WriteUncompressedUnsignedInteger (model_file_offset)
+ WriteUncompressedUnsignedInteger (file_size)
+ SerializeUncompressedFiles
+}
+
+uint32_t PRCHeader::getSize()
+{
+ uint32_t size = getStartHeaderSize() + sizeof(uint32_t);
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ size += fileStructureInformation[i].getSize();
+ size += 3*sizeof(uint32_t);
+ for(PRCUncompressedFileList::const_iterator it = uncompressed_files.begin(); it != uncompressed_files.end(); it++)
+ size += (*it)->getSize();
+ return size;
+}
+
+void oPRCFile::doGroup(PRCgroup& group)
+{
+ const std::string& name = group.name;
+
+ PRCProductOccurrence*& product_occurrence = group.product_occurrence;
+ PRCProductOccurrence*& parent_product_occurrence = group.parent_product_occurrence;
+ PRCPartDefinition*& part_definition = group.part_definition;
+ PRCPartDefinition*& parent_part_definition = group.parent_part_definition;
+
+ if(group.options.tess)
+ {
+ if(!group.lines.empty())
+ {
+ for(PRCtesslineMap::const_iterator wit=group.lines.begin(); wit!=group.lines.end(); wit++)
+ {
+ bool same_color = true;
+ const PRCtesslineList& lines = wit->second;
+ const PRCRgbColor &color = lines.front().color;
+ for(PRCtesslineList::const_iterator lit=lines.begin(); lit!=lines.end(); lit++)
+ if(color!=lit->color)
+ {
+ same_color = false;
+ break;
+ }
+ map<PRCVector3d,uint32_t> points;
+ PRC3DWireTess *tess = new PRC3DWireTess();
+ if(!same_color)
+ {
+ tess->is_segment_color = true;
+ tess->is_rgba = false;
+ }
+ for(PRCtesslineList::const_iterator lit=lines.begin(); lit!=lines.end(); lit++)
+ {
+ tess->wire_indexes.push_back(lit->point.size());
+ for(uint32_t i=0; i<lit->point.size(); i++)
+ {
+ map<PRCVector3d,uint32_t>::iterator pPoint = points.find(lit->point[i]);
+ if(pPoint!=points.end())
+ tess->wire_indexes.push_back(pPoint->second);
+ else
+ {
+ const uint32_t point_index = tess->coordinates.size();
+ points.insert(make_pair(lit->point[i],point_index));
+ tess->wire_indexes.push_back(point_index);
+ tess->coordinates.push_back(lit->point[i].x);
+ tess->coordinates.push_back(lit->point[i].y);
+ tess->coordinates.push_back(lit->point[i].z);
+ }
+ if(!same_color && i>0)
+ {
+ tess->rgba_vertices.push_back(byte(lit->color.red));
+ tess->rgba_vertices.push_back(byte(lit->color.green));
+ tess->rgba_vertices.push_back(byte(lit->color.blue));
+ }
+ }
+ }
+ const uint32_t tess_index = add3DWireTess(tess);
+ PRCPolyWire *polyWire = new PRCPolyWire();
+ polyWire->index_tessellation = tess_index;
+ if(same_color)
+ polyWire->index_of_line_style = addColourWidth(RGBAColour(color.red,color.green,color.blue),wit->first);
+ else
+ polyWire->index_of_line_style = addColourWidth(RGBAColour(1,1,1),wit->first);
+ part_definition->addPolyWire(polyWire);
+ }
+ }
+// make rectangles pairs of triangles in a tesselation
+ if(!group.rectangles.empty())
+ {
+ bool same_color = true;
+ const uint32_t &style = group.rectangles.front().style;
+ for(PRCtessrectangleList::const_iterator rit=group.rectangles.begin(); rit!=group.rectangles.end(); rit++)
+ if(style!=rit->style)
+ {
+ same_color = false;
+ break;
+ }
+ map<PRCVector3d,uint32_t> points;
+ PRC3DTess *tess = new PRC3DTess();
+ tess->crease_angle = group.options.crease_angle;
+ PRCTessFace *tessFace = new PRCTessFace();
+ tessFace->used_entities_flag=PRC_FACETESSDATA_Triangle;
+ uint32_t triangles = 0;
+ for(PRCtessrectangleList::const_iterator rit=group.rectangles.begin(); rit!=group.rectangles.end(); rit++)
+ {
+ const bool degenerate = (rit->vertices[0]==rit->vertices[1]);
+ uint32_t vertex_indices[4];
+ for(size_t i = (degenerate?1:0); i < 4; ++i)
+ {
+ map<PRCVector3d,uint32_t>::const_iterator pPoint = points.find(rit->vertices[i]);
+ if(pPoint!=points.end())
+ vertex_indices[i] = pPoint->second;
+ else
+ {
+ points.insert(make_pair(rit->vertices[i],(vertex_indices[i] = tess->coordinates.size())));
+ tess->coordinates.push_back(rit->vertices[i].x);
+ tess->coordinates.push_back(rit->vertices[i].y);
+ tess->coordinates.push_back(rit->vertices[i].z);
+ }
+ }
+ if(degenerate)
+ {
+ tess->triangulated_index.push_back(vertex_indices[1]);
+ tess->triangulated_index.push_back(vertex_indices[2]);
+ tess->triangulated_index.push_back(vertex_indices[3]);
+ triangles++;
+ if(!same_color)
+ tessFace->line_attributes.push_back(rit->style);
+ }
+ else
+ {
+ tess->triangulated_index.push_back(vertex_indices[0]);
+ tess->triangulated_index.push_back(vertex_indices[2]);
+ tess->triangulated_index.push_back(vertex_indices[3]);
+ triangles++;
+ if(!same_color)
+ tessFace->line_attributes.push_back(rit->style);
+ tess->triangulated_index.push_back(vertex_indices[3]);
+ tess->triangulated_index.push_back(vertex_indices[1]);
+ tess->triangulated_index.push_back(vertex_indices[0]);
+ triangles++;
+ if(!same_color)
+ tessFace->line_attributes.push_back(rit->style);
+ }
+ }
+ tessFace->sizes_triangulated.push_back(triangles);
+ tess->addTessFace(tessFace);
+ const uint32_t tess_index = add3DTess(tess);
+ PRCPolyBrepModel *polyBrepModel = new PRCPolyBrepModel();
+ polyBrepModel->index_tessellation = tess_index;
+ polyBrepModel->is_closed = group.options.closed;
+ if(same_color)
+ polyBrepModel->index_of_line_style = style;
+ part_definition->addPolyBrepModel(polyBrepModel);
+ }
+ }
+
+ if(!group.quads.empty())
+ {
+ map<PRCVector3d,uint32_t> points;
+ PRC3DTess *tess = new PRC3DTess();
+ tess->crease_angle = group.options.crease_angle;
+ PRCTessFace *tessFace = new PRCTessFace();
+ tessFace->used_entities_flag=PRC_FACETESSDATA_Triangle;
+ uint32_t triangles = 0;
+
+ tessFace->is_rgba = false;
+ for(PRCtessquadList::const_iterator qit=group.quads.begin(); qit!=group.quads.end(); qit++)
+ {
+ const RGBAColour* C = qit->colours;
+ if(C[0].A != 1.0 || C[1].A != 1.0 || C[2].A != 1.0 || C[3].A != 1.0)
+ {
+ tessFace->is_rgba = true;
+ break;
+ }
+ }
+ bool same_colour = true;
+ const RGBAColour& colour = group.quads.front().colours[0];
+ for(PRCtessquadList::const_iterator qit=group.quads.begin(); qit!=group.quads.end(); qit++)
+ {
+ const RGBAColour* C = qit->colours;
+ if(colour!=C[0] || colour!=C[1] || colour!=C[2] || colour!=C[3])
+ {
+ same_colour = false;
+ break;
+ }
+ }
+
+ for(PRCtessquadList::const_iterator qit=group.quads.begin(); qit!=group.quads.end(); qit++)
+ {
+ const RGBAColour* C = qit->colours;
+ const bool degenerate = (qit->vertices[0]==qit->vertices[1]);
+ uint32_t vertex_indices[4];
+ for(size_t i = (degenerate?1:0); i < 4; ++i)
+ {
+ map<PRCVector3d,uint32_t>::const_iterator pPoint = points.find(qit->vertices[i]);
+ if(pPoint!=points.end())
+ vertex_indices[i] = pPoint->second;
+ else
+ {
+ points.insert(make_pair(qit->vertices[i],(vertex_indices[i] = tess->coordinates.size())));
+ tess->coordinates.push_back(qit->vertices[i].x);
+ tess->coordinates.push_back(qit->vertices[i].y);
+ tess->coordinates.push_back(qit->vertices[i].z);
+ }
+ }
+ if(degenerate)
+ {
+ tess->triangulated_index.push_back(vertex_indices[1]);
+ tess->triangulated_index.push_back(vertex_indices[2]);
+ tess->triangulated_index.push_back(vertex_indices[3]);
+ triangles++;
+ if(!same_colour)
+ {
+ tessFace->rgba_vertices.push_back(byte(C[1].R));
+ tessFace->rgba_vertices.push_back(byte(C[1].G));
+ tessFace->rgba_vertices.push_back(byte(C[1].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[1].A));
+
+ tessFace->rgba_vertices.push_back(byte(C[2].R));
+ tessFace->rgba_vertices.push_back(byte(C[2].G));
+ tessFace->rgba_vertices.push_back(byte(C[2].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[2].A));
+
+ tessFace->rgba_vertices.push_back(byte(C[3].R));
+ tessFace->rgba_vertices.push_back(byte(C[3].G));
+ tessFace->rgba_vertices.push_back(byte(C[3].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[3].A));
+ }
+ }
+ else
+ {
+ tess->triangulated_index.push_back(vertex_indices[0]);
+ tess->triangulated_index.push_back(vertex_indices[2]);
+ tess->triangulated_index.push_back(vertex_indices[3]);
+ triangles++;
+ if(!same_colour)
+ {
+ tessFace->rgba_vertices.push_back(byte(C[0].R));
+ tessFace->rgba_vertices.push_back(byte(C[0].G));
+ tessFace->rgba_vertices.push_back(byte(C[0].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[0].A));
+
+ tessFace->rgba_vertices.push_back(byte(C[2].R));
+ tessFace->rgba_vertices.push_back(byte(C[2].G));
+ tessFace->rgba_vertices.push_back(byte(C[2].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[2].A));
+
+ tessFace->rgba_vertices.push_back(byte(C[3].R));
+ tessFace->rgba_vertices.push_back(byte(C[3].G));
+ tessFace->rgba_vertices.push_back(byte(C[3].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[3].A));
+ }
+ tess->triangulated_index.push_back(vertex_indices[3]);
+ tess->triangulated_index.push_back(vertex_indices[1]);
+ tess->triangulated_index.push_back(vertex_indices[0]);
+ triangles++;
+ if(!same_colour)
+ {
+ tessFace->rgba_vertices.push_back(byte(C[3].R));
+ tessFace->rgba_vertices.push_back(byte(C[3].G));
+ tessFace->rgba_vertices.push_back(byte(C[3].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[3].A));
+
+ tessFace->rgba_vertices.push_back(byte(C[1].R));
+ tessFace->rgba_vertices.push_back(byte(C[1].G));
+ tessFace->rgba_vertices.push_back(byte(C[1].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[1].A));
+
+ tessFace->rgba_vertices.push_back(byte(C[0].R));
+ tessFace->rgba_vertices.push_back(byte(C[0].G));
+ tessFace->rgba_vertices.push_back(byte(C[0].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[0].A));
+ }
+ }
+ }
+ tessFace->sizes_triangulated.push_back(triangles);
+ tess->addTessFace(tessFace);
+ const uint32_t tess_index = add3DTess(tess);
+ PRCPolyBrepModel *polyBrepModel = new PRCPolyBrepModel();
+ polyBrepModel->index_tessellation = tess_index;
+ polyBrepModel->is_closed = group.options.closed;
+ if(same_colour)
+ polyBrepModel->index_of_line_style = addColour(colour);
+ part_definition->addPolyBrepModel(polyBrepModel);
+ }
+
+ if(!group.points.empty())
+ {
+ for(PRCpointsetMap::const_iterator pit=group.points.begin(); pit!=group.points.end(); pit++)
+ {
+ PRCPointSet *pointset = new PRCPointSet();
+ pointset->index_of_line_style = pit->first;
+ pointset->point = pit->second;
+ part_definition->addPointSet(pointset);
+ }
+ }
+
+ if(!group.pointsets.empty())
+ {
+ for(std::vector<PRCPointSet*>::iterator pit=group.pointsets.begin(); pit!=group.pointsets.end(); pit++)
+ {
+ part_definition->addPointSet(*pit);
+ }
+ }
+
+ if(!group.polymodels.empty())
+ {
+ for(std::vector<PRCPolyBrepModel*>::iterator pit=group.polymodels.begin(); pit!=group.polymodels.end(); pit++)
+ {
+ (*pit)->is_closed = group.options.closed;
+ part_definition->addPolyBrepModel(*pit);
+ }
+ }
+
+ if(!group.polywires.empty())
+ {
+ for(std::vector<PRCPolyWire*>::iterator pit=group.polywires.begin(); pit!=group.polywires.end(); pit++)
+ {
+ part_definition->addPolyWire(*pit);
+ }
+ }
+
+ if(!group.wires.empty())
+ {
+ PRCTopoContext *wireContext = NULL;
+ const uint32_t context_index = getTopoContext(wireContext);
+ for(PRCwireList::iterator wit=group.wires.begin(); wit!=group.wires.end(); wit++)
+ {
+ PRCWireEdge *wireEdge = new PRCWireEdge;
+ wireEdge->curve_3d = wit->curve;
+ PRCSingleWireBody *wireBody = new PRCSingleWireBody;
+ wireBody->setWireEdge(wireEdge);
+ const uint32_t wire_body_index = wireContext->addSingleWireBody(wireBody);
+ PRCWire *wire = new PRCWire();
+ wire->index_of_line_style = wit->style;
+ wire->context_id = context_index;
+ wire->body_id = wire_body_index;
+ if(wit->transform)
+ wire->index_local_coordinate_system = addTransform(wit->transform);
+ part_definition->addWire(wire);
+ }
+ }
+
+ PRCfaceList &faces = group.faces;
+ if(!faces.empty())
+ {
+ bool same_color = true;
+ const uint32_t style = faces.front().style;
+ for(PRCfaceList::const_iterator fit=faces.begin(); fit!=faces.end(); fit++)
+ if(style!=fit->style)
+ {
+ same_color = false;
+ break;
+ }
+ PRCTopoContext *context = NULL;
+ const uint32_t context_index = getTopoContext(context);
+ context->granularity = group.options.granularity;
+ // Acrobat 9 also does the following:
+ // context->tolerance = group.options.granularity;
+ // context->have_smallest_face_thickness = true;
+ // context->smallest_thickness = group.options.granularity;
+ PRCShell *shell = new PRCShell;
+
+ for(PRCfaceList::iterator fit=faces.begin(); fit!=faces.end(); fit++)
+ {
+ if(fit->transform || group.options.do_break ||
+ (fit->transparent && !group.options.no_break))
+ {
+ PRCShell *shell = new PRCShell;
+ shell->addFace(fit->face);
+ PRCConnex *connex = new PRCConnex;
+ connex->addShell(shell);
+ PRCBrepData *body = new PRCBrepData;
+ body->addConnex(connex);
+ const uint32_t body_index = context->addBrepData(body);
+
+ PRCBrepModel *brepmodel = new PRCBrepModel();
+ brepmodel->index_of_line_style = fit->style;
+ brepmodel->context_id = context_index;
+ brepmodel->body_id = body_index;
+ brepmodel->is_closed = group.options.closed;
+
+ brepmodel->index_local_coordinate_system = addTransform(fit->transform);
+
+ part_definition->addBrepModel(brepmodel);
+ }
+ else
+ {
+ if(!same_color)
+ fit->face->index_of_line_style = fit->style;
+ shell->addFace(fit->face);
+ }
+ }
+ if(shell->face.empty())
+ {
+ delete shell;
+ }
+ else
+ {
+ PRCConnex *connex = new PRCConnex;
+ connex->addShell(shell);
+ PRCBrepData *body = new PRCBrepData;
+ body->addConnex(connex);
+ const uint32_t body_index = context->addBrepData(body);
+ PRCBrepModel *brepmodel = new PRCBrepModel();
+ if(same_color)
+ brepmodel->index_of_line_style = style;
+ brepmodel->context_id = context_index;
+ brepmodel->body_id = body_index;
+ brepmodel->is_closed = group.options.closed;
+ part_definition->addBrepModel(brepmodel);
+ }
+ }
+
+ PRCcompfaceList &compfaces = group.compfaces;
+ if(!compfaces.empty())
+ {
+ bool same_color = true;
+ const uint32_t style = compfaces.front().style;
+ for(PRCcompfaceList::const_iterator fit=compfaces.begin(); fit!=compfaces.end(); fit++)
+ if(style!=fit->style)
+ {
+ same_color = false;
+ break;
+ }
+ PRCTopoContext *context = NULL;
+ const uint32_t context_index = getTopoContext(context);
+ PRCCompressedBrepData *body = new PRCCompressedBrepData;
+
+ body->serial_tolerance=group.options.compression;
+ body->brep_data_compressed_tolerance=0.1*group.options.compression;
+
+ for(PRCcompfaceList::const_iterator fit=compfaces.begin(); fit!=compfaces.end(); fit++)
+ {
+ if(group.options.do_break ||
+ (fit->transparent && !group.options.no_break))
+ {
+ PRCCompressedBrepData *body = new PRCCompressedBrepData;
+ body->face.push_back(fit->face);
+
+ body->serial_tolerance=group.options.compression;
+ body->brep_data_compressed_tolerance=2.8346456*
+ group.options.compression;
+ const uint32_t body_index = context->addCompressedBrepData(body);
+
+ PRCBrepModel *brepmodel = new PRCBrepModel();
+ brepmodel->index_of_line_style = fit->style;
+ brepmodel->context_id = context_index;
+ brepmodel->body_id = body_index;
+ brepmodel->is_closed = group.options.closed;
+
+ part_definition->addBrepModel(brepmodel);
+ }
+ else
+ {
+ if(!same_color)
+ fit->face->index_of_line_style = fit->style;
+ body->face.push_back(fit->face);
+ }
+ }
+ if(body->face.empty())
+ {
+ delete body;
+ }
+ else
+ {
+ const uint32_t body_index = context->addCompressedBrepData(body);
+ PRCBrepModel *brepmodel = new PRCBrepModel();
+ if(same_color)
+ brepmodel->index_of_line_style = style;
+ brepmodel->context_id = context_index;
+ brepmodel->body_id = body_index;
+ brepmodel->is_closed = group.options.closed;
+ part_definition->addBrepModel(brepmodel);
+ }
+ }
+
+ // Simplify and reduce to as simple entities as possible
+ // products with named representation items can not be reduced to sets, since
+ // outside references are already set
+ bool nonamedparts = true;
+ for(PRCRepresentationItemList::const_iterator it=part_definition->representation_item.begin(); it!=part_definition->representation_item.end(); it++)
+ {
+ if (!(*it)->name.empty())
+ {
+ nonamedparts = false;
+ break;
+ }
+ }
+ lastgroupname.clear();
+ lastgroupnames.clear();
+ // First option - reduce to one element in parent
+ if (parent_part_definition && product_occurrence->index_son_occurrence.empty() &&
+ part_definition->representation_item.size() == 1 &&
+ ( name.empty() || part_definition->representation_item.front()->name.empty() ) &&
+ ( !group.transform || part_definition->representation_item.front()->index_local_coordinate_system==m1) )
+ {
+ if(part_definition->representation_item.front()->name.empty() )
+ part_definition->representation_item.front()->name = name;
+ if(part_definition->representation_item.front()->index_local_coordinate_system==m1)
+ part_definition->representation_item.front()->index_local_coordinate_system = addTransform(group.transform);
+ lastgroupname = calculate_unique_name(part_definition->representation_item.front(), parent_product_occurrence);
+ parent_part_definition->addRepresentationItem(part_definition->representation_item.front());
+ part_definition->representation_item.clear();
+ delete product_occurrence; product_occurrence = NULL;
+ delete part_definition; part_definition = NULL;
+ }
+ // Second option - reduce to a set
+ else if (parent_part_definition && product_occurrence->index_son_occurrence.empty() &&
+ !part_definition->representation_item.empty() &&
+ !group.options.do_break && nonamedparts)
+ {
+ PRCSet *set = new PRCSet(name);
+ set->index_local_coordinate_system = addTransform(group.transform);
+ lastgroupname = calculate_unique_name(set, parent_product_occurrence);
+ for(PRCRepresentationItemList::iterator it=part_definition->representation_item.begin(); it!=part_definition->representation_item.end(); it++)
+ {
+ lastgroupnames.push_back(calculate_unique_name(*it, parent_product_occurrence));
+ set->addRepresentationItem(*it);
+ }
+ part_definition->representation_item.clear();
+ parent_part_definition->addSet(set);
+ delete product_occurrence; product_occurrence = NULL;
+ delete part_definition; part_definition = NULL;
+ }
+ // Third option - create product
+ else if ( !product_occurrence->index_son_occurrence.empty() || !part_definition->representation_item.empty())
+ {
+ // if everything is enclosed in one group - drop the root group
+ if (parent_product_occurrence == NULL && group.transform == NULL &&
+ part_definition->representation_item.empty() && product_occurrence->index_son_occurrence.size()==1) {
+ delete part_definition; part_definition = NULL;
+ delete product_occurrence; product_occurrence = NULL;
+ }
+ else
+ {
+ lastgroupname = calculate_unique_name(product_occurrence, NULL);
+ if (part_definition->representation_item.empty()) {
+ delete part_definition; part_definition = NULL;
+ }
+ else
+ {
+ for(PRCRepresentationItemList::const_iterator it=part_definition->representation_item.begin(); it!=part_definition->representation_item.end(); it++)
+ if ((*it)->name.empty())
+ lastgroupnames.push_back(calculate_unique_name(*it, product_occurrence));
+ product_occurrence->index_part = addPartDefinition(part_definition);
+ }
+ if (group.transform) {
+ product_occurrence->location = group.transform;
+ group.transform = NULL;
+ }
+ if (parent_product_occurrence) {
+ parent_product_occurrence->index_son_occurrence.push_back(addProductOccurrence(product_occurrence));
+ }
+ else {
+ addProductOccurrence(product_occurrence);
+ }
+ }
+ }
+ // Last case - absolutely nothing to do
+ else
+ {
+ delete product_occurrence; product_occurrence = NULL;
+ delete part_definition; part_definition = NULL;
+ }
+
+}
+
+std::string oPRCFile::calculate_unique_name(const ContentPRCBase *prc_entity,const ContentPRCBase *prc_occurence)
+{
+ std::stringstream ss (std::stringstream::in | std::stringstream::out);
+ uint8_t *serialization_buffer = NULL;
+ PRCbitStream serialization(serialization_buffer,0u);
+ const PRCFileStructure *pfile_structure = fileStructures[0];
+ const PRCUniqueId& uuid = pfile_structure->file_structure_uuid;
+// ConvertUniqueIdentifierToString (prc_entity)
+// SerializeCompressedUniqueId (file_structure)
+ serialization << uuid.id0 << uuid.id1 << uuid.id2 << uuid.id3;
+// WriteUnsignedInteger (type)
+ serialization << prc_entity->getType();
+// WriteUnsignedInteger (unique_identifier)
+ serialization << prc_entity->getPRCID();
+ if (prc_occurence)
+ {
+// serialization_buffer = Flush serialization (serialization)
+ {
+ const uint32_t size_serialization = serialization.getSize();
+ while(size_serialization == serialization.getSize())
+ serialization << false;
+ }
+// ConvertUniqueIdentifierToString (prc_occurrence_unique_id)
+// SerializeCompressedUniqueId (file_structure)
+ serialization << uuid.id0 << uuid.id1 << uuid.id2 << uuid.id3;
+// WriteUnsignedInteger (type)
+ serialization << (uint32_t)PRC_TYPE_ASM_ProductOccurence;
+// WriteUnsignedInteger (unique_identifier)
+ serialization << prc_occurence->getPRCID();
+ }
+ ss << (prc_entity->name.empty()?"node":prc_entity->name) << '.';
+ const uint32_t size_serialization = serialization.getSize();
+ for(size_t j=0; j<size_serialization; j++)
+ ss << hex << setfill('0') << setw(2) << (uint32_t)(serialization_buffer[j]);
+
+ return ss.str();
+}
+
+bool oPRCFile::finish()
+{
+ if(groups.size()!=1) {
+ fputs("begingroup without matching endgroup",stderr);
+ exit(1);
+ }
+ doGroup(groups.top());
+
+ // write each section's bit data
+ fileStructures[0]->prepare();
+ SerializeModelFileData
+
+ // create the header
+
+ // fill out enough info so that sizes can be computed correctly
+ header.number_of_file_structures = number_of_file_structures;
+ header.fileStructureInformation = new PRCFileStructureInformation[number_of_file_structures];
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ header.fileStructureInformation[i].UUID = fileStructures[i]->file_structure_uuid;
+ header.fileStructureInformation[i].reserved = 0;
+ header.fileStructureInformation[i].number_of_offsets = 6;
+ header.fileStructureInformation[i].offsets = new uint32_t[6];
+ }
+
+ header.minimal_version_for_read = PRCVersion;
+ header.authoring_version = PRCVersion;
+ makeFileUUID(header.file_structure_uuid);
+ makeAppUUID(header.application_uuid);
+
+ header.file_size = getSize();
+ header.model_file_offset = header.file_size - modelFile_out.getSize();
+
+ uint32_t currentOffset = header.getSize();
+
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ for(size_t j=0; j<6; j++)
+ {
+ header.fileStructureInformation[i].offsets[j] = currentOffset;
+ currentOffset += fileStructures[i]->sizes[j];
+ }
+ }
+
+ // write the data
+ header.write(output);
+
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ fileStructures[i]->write(output);
+ }
+
+ modelFile_out.write(output);
+ output.flush();
+
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ delete[] header.fileStructureInformation[i].offsets;
+ delete[] header.fileStructureInformation;
+
+ return true;
+}
+
+uint32_t oPRCFile::getSize()
+{
+ uint32_t size = header.getSize();
+
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ size += fileStructures[i]->getSize();
+ }
+
+ size += modelFile_out.getSize();
+ return size;
+}
+
+uint32_t PRCFileStructure::addPicture(EPRCPictureDataFormat format, uint32_t size, const uint8_t *p, uint32_t width, uint32_t height, std::string name)
+{
+ uint8_t *data = NULL;
+ uint32_t components=0;
+ PRCPicture picture(name);
+ if(size==0 || p==NULL)
+ { cerr << "image not set" << endl; return m1; }
+ PRCUncompressedFile* uncompressed_file = new PRCUncompressedFile;
+ if(format==KEPRCPicture_PNG || format==KEPRCPicture_JPG)
+ {
+ data = new uint8_t[size];
+ memcpy(data, p, size);
+ uncompressed_files.push_back(uncompressed_file);
+ uncompressed_files.back()->file_size = size;
+ uncompressed_files.back()->data = data;
+ picture.format = format;
+ picture.uncompressed_file_index = uncompressed_files.size()-1;
+ picture.pixel_width = 0; // width and height are ignored for JPG and PNG pictures - but let us keep things clean
+ picture.pixel_height = 0;
+ pictures.push_back(picture);
+ return pictures.size()-1;
+ }
+
+ switch(format)
+ {
+ case KEPRCPicture_BITMAP_RGB_BYTE:
+ components = 3; break;
+ case KEPRCPicture_BITMAP_RGBA_BYTE:
+ components = 4; break;
+ case KEPRCPicture_BITMAP_GREY_BYTE:
+ components = 1; break;
+ case KEPRCPicture_BITMAP_GREYA_BYTE:
+ components = 2; break;
+ default:
+ { cerr << "unknown picture format" << endl; return m1; }
+ }
+ if(width==0 || height==0)
+ { cerr << "width or height parameter not set" << endl; return m1; }
+ if (size < width*height*components)
+ { cerr << "image too small" << endl; return m1; }
+
+ {
+ uint32_t compressedDataSize = 0;
+ const int CHUNK= 1024; // is this reasonable?
+
+ z_stream strm;
+ strm.zalloc = Z_NULL;
+ strm.zfree = Z_NULL;
+ strm.opaque = Z_NULL;
+ if(deflateInit(&strm,Z_DEFAULT_COMPRESSION) != Z_OK)
+ { cerr << "Compression initialization failed" << endl; return m1; }
+ unsigned int sizeAvailable = deflateBound(&strm,size);
+ uint8_t *compressedData = (uint8_t*) malloc(sizeAvailable);
+ strm.avail_in = size;
+ strm.next_in = (unsigned char*)p;
+ strm.next_out = (unsigned char*)compressedData;
+ strm.avail_out = sizeAvailable;
+
+ int code;
+ unsigned int chunks = 0;
+ while((code = deflate(&strm,Z_FINISH)) == Z_OK)
+ {
+ ++chunks;
+ // strm.avail_out should be 0 if we got Z_OK
+ compressedDataSize = sizeAvailable - strm.avail_out;
+ compressedData = (uint8_t*) realloc(compressedData,CHUNK*chunks);
+ strm.next_out = (Bytef*)(compressedData + compressedDataSize);
+ strm.avail_out += CHUNK;
+ sizeAvailable += CHUNK;
+ }
+ compressedDataSize = sizeAvailable-strm.avail_out;
+
+ if(code != Z_STREAM_END)
+ {
+ deflateEnd(&strm);
+ free(compressedData);
+ { cerr << "Compression error" << endl; return m1; }
+ }
+
+ deflateEnd(&strm);
+ size = compressedDataSize;
+ data = new uint8_t[compressedDataSize];
+ memcpy(data, compressedData, compressedDataSize);
+ free(compressedData);
+ }
+ uncompressed_files.push_back(uncompressed_file);
+ uncompressed_files.back()->file_size = size;
+ uncompressed_files.back()->data = data;
+ picture.format = format;
+ picture.uncompressed_file_index = uncompressed_files.size()-1;
+ picture.pixel_width = width;
+ picture.pixel_height = height;
+ pictures.push_back(picture);
+ return pictures.size()-1;
+}
+
+uint32_t PRCFileStructure::addTextureDefinition(PRCTextureDefinition*& pTextureDefinition)
+{
+ texture_definitions.push_back(pTextureDefinition);
+ pTextureDefinition = NULL;
+ return texture_definitions.size()-1;
+}
+
+uint32_t PRCFileStructure::addRgbColor(const PRCRgbColor &color)
+{
+ colors.push_back(color);
+ return 3*(colors.size()-1);
+}
+
+uint32_t PRCFileStructure::addRgbColorUnique(const PRCRgbColor &color)
+{
+ for(uint32_t i = 0; i < colors.size(); ++i)
+ {
+ if(colors[i] == color)
+ return 3*i;
+ }
+ colors.push_back(color);
+ return 3*(colors.size()-1);
+}
+
+uint32_t oPRCFile::addColor(const PRCRgbColor &color)
+{
+ PRCcolorMap::const_iterator pColor = colorMap.find(color);
+ if(pColor!=colorMap.end())
+ return pColor->second;
+// color_index = addRgbColorUnique(color);
+ const uint32_t color_index = fileStructures[0]->addRgbColor(color);
+ colorMap.insert(make_pair(color,color_index));
+ return color_index;
+}
+
+uint32_t oPRCFile::addColour(const RGBAColour &colour)
+{
+ PRCcolourMap::const_iterator pColour = colourMap.find(colour);
+ if(pColour!=colourMap.end())
+ return pColour->second;
+ const uint32_t color_index = addColor(PRCRgbColor(colour.R, colour.G, colour.B));
+ PRCStyle *style = new PRCStyle();
+ style->line_width = 1.0;
+ style->is_vpicture = false;
+ style->line_pattern_vpicture_index = 0;
+ style->is_material = false;
+ style->color_material_index = color_index;
+ style->is_transparency_defined = (colour.A < 1.0);
+ style->transparency = (uint8_t)(colour.A * 256);
+ style->additional = 0;
+ const uint32_t style_index = fileStructures[0]->addStyle(style);
+ colourMap.insert(make_pair(colour,style_index));
+ return style_index;
+}
+
+uint32_t oPRCFile::addColourWidth(const RGBAColour &colour, double width)
+{
+ RGBAColourWidth colourwidth(colour.R, colour.G, colour.B, colour.A, width);
+ PRCcolourwidthMap::const_iterator pColour = colourwidthMap.find(colourwidth);
+ if(pColour!=colourwidthMap.end())
+ return pColour->second;
+ const uint32_t color_index = addColor(PRCRgbColor(colour.R, colour.G, colour.B));
+ PRCStyle *style = new PRCStyle();
+ style->line_width = width;
+ style->is_vpicture = false;
+ style->line_pattern_vpicture_index = 0;
+ style->is_material = false;
+ style->color_material_index = color_index;
+ style->is_transparency_defined = (colour.A < 1.0);
+ style->transparency = (uint8_t)(colour.A * 256);
+ style->additional = 0;
+ const uint32_t style_index = fileStructures[0]->addStyle(style);
+ colourwidthMap.insert(make_pair(colourwidth,style_index));
+ return style_index;
+}
+
+uint32_t oPRCFile::addTransform(PRCGeneralTransformation3d*& transform)
+{
+ if(!transform)
+ return m1;
+ PRCtransformMap::const_iterator pTransform = transformMap.find(*transform);
+ if(pTransform!=transformMap.end())
+ return pTransform->second;
+ PRCCoordinateSystem *coordinateSystem = new PRCCoordinateSystem();
+ bool transform_replaced = false;
+ if( transform->M(0,1)==0 && transform->M(0,2)==0 &&
+ transform->M(1,0)==0 && transform->M(1,2)==0 &&
+ transform->M(2,0)==0 && transform->M(2,1)==0 &&
+ transform->M(3,0)==0 && transform->M(3,1)==0 && transform->M(3,2)==0 && transform->M(3,3)==1 )
+ {
+ transform_replaced = true;
+ PRCCartesianTransformation3d *carttransform = new PRCCartesianTransformation3d;
+// if(transform->M(0,3)==0 && transform->M(1,3)==0 && transform->M(1,3)==0 &&
+// transform->M(0,0)==1 && transform->M(1,1)==1 && transform->M(2,2)==1 )
+// carttransform->behaviour = PRC_TRANSFORMATION_Identity;
+ if(transform->M(0,3)!=0 || transform->M(1,3)!=0 || transform->M(2,3)!=0)
+ {
+ carttransform->behaviour |= PRC_TRANSFORMATION_Translate;
+ carttransform->origin.Set(transform->M(0,3),transform->M(1,3),transform->M(2,3));
+ }
+ if(transform->M(0,0)!=transform->M(1,1) || transform->M(0,0)!=transform->M(2,2))
+ {
+ carttransform->behaviour |= PRC_TRANSFORMATION_NonUniformScale;
+ carttransform->scale.Set(transform->M(0,0),transform->M(1,1),transform->M(2,2));
+ }
+ else
+ if(transform->M(0,0)!=1)
+ {
+ carttransform->behaviour |= PRC_TRANSFORMATION_Scale;
+ carttransform->uniform_scale=transform->M(0,0);
+ }
+ coordinateSystem->axis_set = carttransform;
+ }
+ else
+ coordinateSystem->axis_set = transform;
+ const uint32_t coordinate_system_index = fileStructures[0]->addCoordinateSystem(coordinateSystem);
+ transformMap.insert(make_pair(*transform,coordinate_system_index));
+ if(transform_replaced)
+ delete transform;
+ transform = NULL;
+ return coordinate_system_index;
+}
+
+uint32_t oPRCFile::addTransform(const double* t)
+{
+ if(!t)
+ return m1;
+ PRCGeneralTransformation3d* transform = new PRCGeneralTransformation3d(t);
+ return addTransform(transform);
+}
+
+uint32_t oPRCFile::addTransform(const double origin[3], const double x_axis[3], const double y_axis[3], double scale)
+{
+ PRCCartesianTransformation3d* transform = new PRCCartesianTransformation3d(origin, x_axis, y_axis, scale);
+ if(transform->behaviour==PRC_TRANSFORMATION_Identity)
+ return m1;
+ PRCCoordinateSystem *coordinateSystem = new PRCCoordinateSystem();
+ coordinateSystem->axis_set = transform;
+ const uint32_t coordinate_system_index = fileStructures[0]->addCoordinateSystem(coordinateSystem);
+ return coordinate_system_index;
+}
+
+uint32_t oPRCFile::addMaterial(const PRCmaterial& m)
+{
+ uint32_t material_index = m1;
+ const PRCmaterialgeneric materialgeneric(m);
+ PRCmaterialgenericMap::const_iterator pMaterialgeneric = materialgenericMap.find(materialgeneric);
+ if(pMaterialgeneric!=materialgenericMap.end())
+ material_index = pMaterialgeneric->second;
+ else
+{
+ PRCMaterialGeneric *materialGeneric = new PRCMaterialGeneric();
+ const PRCRgbColor ambient(m.ambient.R, m.ambient.G, m.ambient.B);
+ materialGeneric->ambient = addColor(ambient);
+ const PRCRgbColor diffuse(m.diffuse.R, m.diffuse.G, m.diffuse.B);
+ materialGeneric->diffuse = addColor(diffuse);
+ const PRCRgbColor emissive(m.emissive.R, m.emissive.G, m.emissive.B);
+
+ materialGeneric->emissive = addColor(emissive);
+ const PRCRgbColor specular(m.specular.R, m.specular.G, m.specular.B);
+ materialGeneric->specular = addColor(specular);
+
+ materialGeneric->shininess = m.shininess;
+ materialGeneric->ambient_alpha = m.ambient.A;
+ materialGeneric->diffuse_alpha = m.diffuse.A;
+ materialGeneric->emissive_alpha = m.emissive.A;
+ materialGeneric->specular_alpha = m.specular.A;
+ material_index = addMaterialGeneric(materialGeneric);
+ materialgenericMap.insert(make_pair(materialgeneric,material_index));
+ }
+ uint32_t color_material_index = m1;
+ if(m.picture_data!=NULL)
+ {
+ uint32_t picture_index = m1;
+ PRCpicture picture(m);
+ PRCpictureMap::const_iterator pPicture = pictureMap.find(picture);
+ if(pPicture!=pictureMap.end())
+ picture_index = pPicture->second;
+ else
+ {
+ picture_index = addPicture(picture);
+ uint8_t* data = new uint8_t[picture.size];
+ memcpy(data,picture.data,picture.size);
+ picture.data = data;
+ pictureMap.insert(make_pair(picture,picture_index));
+ }
+
+ uint32_t texture_definition_index = m1;
+ PRCtexturedefinition texturedefinition(picture_index, m);
+ PRCtexturedefinitionMap::const_iterator pTexturedefinition = texturedefinitionMap.find(texturedefinition);
+ if(pTexturedefinition!=texturedefinitionMap.end())
+ texture_definition_index = pTexturedefinition->second;
+ else
+ {
+ PRCTextureDefinition *TextureDefinition = new PRCTextureDefinition;
+ if (m.picture_size==216688 && m.picture_format==KEPRCPicture_JPG)
+ TextureDefinition->texture_mapping_attribute=PRC_TEXTURE_MAPPING_OPACITY;
+ TextureDefinition->picture_index = picture_index;
+ TextureDefinition->texture_function = m.picture_replace ? KEPRCTextureFunction_Replace : KEPRCTextureFunction_Modulate;
+ TextureDefinition->texture_wrapping_mode_S = m.picture_repeat ? KEPRCTextureWrappingMode_Repeat : KEPRCTextureWrappingMode_ClampToEdge;
+ TextureDefinition->texture_wrapping_mode_T = m.picture_repeat ? KEPRCTextureWrappingMode_Repeat : KEPRCTextureWrappingMode_ClampToEdge;
+ TextureDefinition->texture_mapping_attribute_components = (m.picture_format==KEPRCPicture_BITMAP_RGB_BYTE || m.picture_format==KEPRCPicture_JPG) ? PRC_TEXTURE_MAPPING_COMPONENTS_RGB : PRC_TEXTURE_MAPPING_COMPONENTS_RGBA;
+ texture_definition_index = addTextureDefinition(TextureDefinition);
+ texturedefinitionMap.insert(make_pair(texturedefinition,texture_definition_index));
+ }
+
+ uint32_t texture_application_index = m1;
+ const PRCtextureapplication textureapplication(material_index, texture_definition_index);
+ PRCtextureapplicationMap::const_iterator pTextureapplication = textureapplicationMap.find(textureapplication);
+ if(pTextureapplication!=textureapplicationMap.end())
+ texture_application_index = pTextureapplication->second;
+ else
+ {
+ PRCTextureApplication *TextureApplication = new PRCTextureApplication;
+ TextureApplication->material_generic_index = material_index;
+ TextureApplication->texture_definition_index = texture_definition_index;
+ texture_application_index = addTextureApplication(TextureApplication);
+ textureapplicationMap.insert(make_pair(textureapplication,texture_application_index));
+ }
+
+ color_material_index = texture_application_index;
+ }
+ else
+ color_material_index = material_index;
+
+ uint32_t style_index = m1;
+ PRCstyle style(0,m.alpha,true,color_material_index);
+ PRCstyleMap::const_iterator pStyle = styleMap.find(style);
+ if(pStyle!=styleMap.end())
+ style_index = pStyle->second;
+ else
+ {
+ PRCStyle *Style = new PRCStyle();
+ Style->line_width = 0.0;
+ Style->is_vpicture = false;
+ Style->line_pattern_vpicture_index = 0;
+ Style->is_material = true;
+ Style->is_transparency_defined = (m.alpha < 1.0);
+ Style->transparency = (uint8_t)(m.alpha * 256);
+ Style->additional = 0;
+ Style->color_material_index = color_material_index;
+ style_index = addStyle(Style);
+ styleMap.insert(make_pair(style,style_index));
+ }
+// materialMap.insert(make_pair(material,style_index));
+ return style_index;
+}
+
+void oPRCFile::begingroup(const char *name, PRCoptions *options,
+ const double* t)
+{
+ const PRCgroup &parent_group = groups.top();
+ groups.push(PRCgroup());
+ PRCgroup &group = groups.top();
+ group.name=name;
+ if(options) group.options=*options;
+ if(t&&!isid(t))
+ group.transform = new PRCGeneralTransformation3d(t);
+ group.product_occurrence = new PRCProductOccurrence(name);
+ group.parent_product_occurrence = parent_group.product_occurrence;
+ group.part_definition = new PRCPartDefinition;
+ group.parent_part_definition = parent_group.part_definition;
+}
+
+void oPRCFile::endgroup()
+{
+ if(groups.size()<2) {
+ fputs("begingroup without matching endgroup",stderr);
+ exit(1);
+ }
+ doGroup(groups.top());
+ groups.pop();
+
+// std::cout << lastgroupname << std::endl;
+// for(std::vector<std::string>::const_iterator it=lastgroupnames.begin(); it!=lastgroupnames.end(); it++)
+// std::cout << " " << *it << std::endl;
+
+}
+
+PRCgroup& oPRCFile::findGroup()
+{
+ return groups.top();
+}
+
+void oPRCFile::addPoints(uint32_t n, const double P[][3], const RGBAColour &c, double w)
+{
+ if(n==0 || P==NULL)
+ return;
+ PRCgroup &group = findGroup();
+ PRCPointSet *pointset = new PRCPointSet();
+ group.pointsets.push_back(pointset);
+ pointset->index_of_line_style = addColourWidth(c,w);
+ pointset->point.reserve(n);
+ for(uint32_t i=0; i<n; i++)
+ pointset->point.push_back(PRCVector3d(P[i][0],P[i][1],P[i][2]));
+}
+
+void oPRCFile::useMesh(uint32_t tess_index, uint32_t style_index, const double origin[3], const double x_axis[3], const double y_axis[3], double scale)
+{
+ PRCgroup &group = findGroup();
+ PRCPolyBrepModel *polyBrepModel = new PRCPolyBrepModel();
+ polyBrepModel->index_local_coordinate_system = addTransform(origin, x_axis, y_axis, scale);
+ polyBrepModel->index_tessellation = tess_index;
+ polyBrepModel->is_closed = group.options.closed;
+ polyBrepModel->index_of_line_style = style_index;
+ group.polymodels.push_back(polyBrepModel);
+}
+
+void oPRCFile::useMesh(uint32_t tess_index, uint32_t style_index, const double* t)
+{
+ PRCgroup &group = findGroup();
+ PRCPolyBrepModel *polyBrepModel = new PRCPolyBrepModel();
+ polyBrepModel->index_local_coordinate_system = addTransform(t);
+ polyBrepModel->index_tessellation = tess_index;
+ polyBrepModel->is_closed = group.options.closed;
+ polyBrepModel->index_of_line_style = style_index;
+ group.polymodels.push_back(polyBrepModel);
+}
+
+void oPRCFile::useLines(uint32_t tess_index, uint32_t style_index, const double origin[3], const double x_axis[3], const double y_axis[3], double scale)
+{
+ PRCgroup &group = findGroup();
+ PRCPolyWire *polyWire = new PRCPolyWire();
+ polyWire->index_local_coordinate_system = addTransform(origin, x_axis, y_axis, scale);
+ polyWire->index_tessellation = tess_index;
+ polyWire->index_of_line_style = style_index;
+ group.polywires.push_back(polyWire);
+}
+
+void oPRCFile::useLines(uint32_t tess_index, uint32_t style_index, const double* t)
+{
+ PRCgroup &group = findGroup();
+ PRCPolyWire *polyWire = new PRCPolyWire();
+ polyWire->index_local_coordinate_system = addTransform(t);
+ polyWire->index_tessellation = tess_index;
+ polyWire->index_of_line_style = style_index;
+ group.polywires.push_back(polyWire);
+}
+
+void oPRCFile::addQuads(uint32_t nP, const double P[][3], uint32_t nI, const uint32_t PI[][4], const PRCmaterial &m,
+ uint32_t nN, const double N[][3], const uint32_t NI[][4],
+ uint32_t nT, const double T[][2], const uint32_t TI[][4],
+ uint32_t nC, const RGBAColour C[], const uint32_t CI[][4],
+ uint32_t nM, const PRCmaterial M[], const uint32_t MI[], double ca)
+{
+ if(nP==0 || P==NULL || nI==0 || PI==NULL)
+ return;
+ const uint32_t tess_index = createQuadMesh(nP, P, nI, PI, m, nN, N, NI, nT, T, TI, nC, C, CI, nM, M, MI, ca);
+ useMesh(tess_index,m1);
+}
+
+uint32_t oPRCFile::createQuadMesh(uint32_t nP, const double P[][3], uint32_t nI, const uint32_t PI[][4], uint32_t style_index,
+ uint32_t nN, const double N[][3], const uint32_t NI[][4],
+ uint32_t nT, const double T[][2], const uint32_t TI[][4],
+ uint32_t nC, const RGBAColour C[], const uint32_t CI[][4],
+ uint32_t nS, const uint32_t S[], const uint32_t SI[], double ca)
+{
+ if(nP==0 || P==NULL || nI==0 || PI==NULL)
+ return m1;
+
+ const bool triangle_color = (nS != 0 && S != NULL && SI != NULL);
+ const bool vertex_color = (nC != 0 && C != NULL && CI != NULL);
+ const bool has_normals = (nN != 0 && N != NULL && NI != NULL);
+ const bool textured = (nT != 0 && T != NULL && TI != NULL);
+
+ PRC3DTess *tess = new PRC3DTess();
+ PRCTessFace *tessFace = new PRCTessFace();
+ tessFace->used_entities_flag = textured ? PRC_FACETESSDATA_TriangleTextured : PRC_FACETESSDATA_Triangle;
+ tessFace->number_of_texture_coordinate_indexes = textured ? 1 : 0;
+ tess->coordinates.reserve(3*nP);
+ for(uint32_t i=0; i<nP; i++)
+ {
+ tess->coordinates.push_back(P[i][0]);
+ tess->coordinates.push_back(P[i][1]);
+ tess->coordinates.push_back(P[i][2]);
+ }
+ if(has_normals)
+ {
+ tess->normal_coordinate.reserve(3*nN);
+ for(uint32_t i=0; i<nN; i++)
+ {
+ tess->normal_coordinate.push_back(N[i][0]);
+ tess->normal_coordinate.push_back(N[i][1]);
+ tess->normal_coordinate.push_back(N[i][2]);
+ }
+ }
+ else
+ tess->crease_angle = ca;
+ if(textured)
+ {
+ tess->texture_coordinate.reserve(2*nT);
+ for(uint32_t i=0; i<nT; i++)
+ {
+ tess->texture_coordinate.push_back(T[i][0]);
+ tess->texture_coordinate.push_back(T[i][1]);
+ }
+ }
+ tess->triangulated_index.reserve(2*(3*nI+(has_normals?3:0)*nI+(textured?3:0)*nI));
+ for(uint32_t i=0; i<nI; i++)
+ {
+ // first triangle
+ if(has_normals)
+ tess->triangulated_index.push_back(3*NI[i][0]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][0]);
+ tess->triangulated_index.push_back(3*PI[i][0]);
+ if(has_normals)
+ tess->triangulated_index.push_back(3*NI[i][1]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][1]);
+ tess->triangulated_index.push_back(3*PI[i][1]);
+ if(has_normals)
+ tess->triangulated_index.push_back(3*NI[i][3]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][3]);
+ tess->triangulated_index.push_back(3*PI[i][3]);
+ // second triangle
+ if(has_normals)
+ tess->triangulated_index.push_back(3*NI[i][1]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][1]);
+ tess->triangulated_index.push_back(3*PI[i][1]);
+ if(has_normals)
+ tess->triangulated_index.push_back(3*NI[i][2]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][2]);
+ tess->triangulated_index.push_back(3*PI[i][2]);
+ if(has_normals)
+ tess->triangulated_index.push_back(3*NI[i][3]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][3]);
+ tess->triangulated_index.push_back(3*PI[i][3]);
+ }
+ tessFace->sizes_triangulated.push_back(2*nI);
+ if(triangle_color)
+ {
+ tessFace->line_attributes.reserve(2*nI);
+ for(uint32_t i=0; i<nI; i++)
+ {
+ tessFace->line_attributes.push_back(SI[i]);
+ tessFace->line_attributes.push_back(SI[i]);
+ }
+ }
+ else
+ {
+ tessFace->line_attributes.push_back(style_index);
+ }
+ if(vertex_color)
+ {
+ tessFace->is_rgba=false;
+ for(uint32_t i=0; i<nI; i++)
+ if(1.0 != C[CI[i][0]].A || 1.0 != C[CI[i][1]].A || 1.0 != C[CI[i][2]].A)
+ {
+ tessFace->is_rgba=true;
+ break;
+ }
+
+ tessFace->rgba_vertices.reserve(2*(tessFace->is_rgba?4:3)*3*nI);
+ for(uint32_t i=0; i<nI; i++)
+ {
+ // first triangle
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][0]].R));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][0]].G));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][0]].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][0]].A));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].R));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].G));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].A));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].R));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].G));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].A));
+ // second triangle
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].R));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].G));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][1]].A));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][2]].R));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][2]].G));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][2]].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][2]].A));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].R));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].G));
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].B));
+ if(tessFace->is_rgba)
+ tessFace->rgba_vertices.push_back(byte(C[CI[i][3]].A));
+ }
+ }
+ tess->addTessFace(tessFace);
+ const uint32_t tess_index = add3DTess(tess);
+ return tess_index;
+}
+
+/*
+void oPRCFile::addTriangle(const double P[][3], const double T[][2], uint32_t style_index)
+{
+ PRCgroup &group = findGroup();
+
+ group.triangles.push_back(PRCtesstriangle());
+ PRCtesstriangle &triangle = group.triangles.back();
+ for(size_t i = 0; i < 3; i++)
+ {
+ triangle.vertices[i].x = P[i][0];
+ triangle.vertices[i].y = P[i][1];
+ triangle.vertices[i].z = P[i][2];
+ triangle.texcoords[i].x = T[i][0];
+ triangle.texcoords[i].y = T[i][1];
+ }
+ triangle.style = style_index;
+}
+*/
+
+void oPRCFile::addLines(uint32_t nP, const double P[][3], uint32_t nI, const uint32_t PI[],
+ const RGBAColour& c, double w,
+ bool segment_color, uint32_t nC, const RGBAColour C[], uint32_t nCI, const uint32_t CI[])
+{
+ if(nP==0 || P==NULL || nI==0 || PI==NULL)
+ return;
+ const uint32_t tess_index = createLines(nP, P, nI, PI, segment_color, nC, C, nCI, CI);
+ useLines(tess_index, c, w);
+}
+
+uint32_t oPRCFile::createLines(uint32_t nP, const double P[][3], uint32_t nI, const uint32_t PI[],
+ bool segment_color, uint32_t nC, const RGBAColour C[], uint32_t nCI, const uint32_t CI[])
+{
+ if(nP==0 || P==NULL || nI==0 || PI==NULL)
+ return m1;
+
+ const bool vertex_color = (nC != 0 && C != NULL && CI != NULL);
+
+ PRC3DWireTess *tess = new PRC3DWireTess();
+ tess->coordinates.reserve(3*nP);
+ for(uint32_t i=0; i<nP; i++)
+ {
+ tess->coordinates.push_back(P[i][0]);
+ tess->coordinates.push_back(P[i][1]);
+ tess->coordinates.push_back(P[i][2]);
+ }
+ tess->wire_indexes.reserve(nI);
+ for(uint32_t i=0; i<nI;)
+ {
+ tess->wire_indexes.push_back(PI[i]);
+ const uint32_t ni = i+PI[i]+1;
+ for(i++; i<ni; i++)
+ tess->wire_indexes.push_back(3*PI[i]);
+ }
+ if(vertex_color)
+ {
+ tess->is_segment_color = segment_color;
+ tess->is_rgba=false;
+ for(uint32_t i=0; i<nCI; i++)
+ if(1.0 != C[CI[i]].A)
+ {
+ tess->is_rgba=true;
+ break;
+ }
+ tess->rgba_vertices.reserve((tess->is_rgba?4:3)*nCI);
+ for(uint32_t i=0; i<nCI; i++)
+ {
+ tess->rgba_vertices.push_back(byte(C[CI[i]].R));
+ tess->rgba_vertices.push_back(byte(C[CI[i]].G));
+ tess->rgba_vertices.push_back(byte(C[CI[i]].B));
+ if(tess->is_rgba)
+ tess->rgba_vertices.push_back(byte(C[CI[i]].A));
+ }
+ }
+ const uint32_t tess_index = add3DWireTess(tess);
+ return tess_index;
+}
+
+#define PRCFACETRANSFORM const double origin[3], const double x_axis[3], const double y_axis[3], double scale, const double* t
+
+void oPRCFile::addHemisphere(double radius, const PRCmaterial &m, PRCFACETRANSFORM)
+{
+ ADDFACE(PRCSphere)
+ SETTRANSF
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 2*pi;
+ surface->uv_domain.min.y = 0;
+ surface->uv_domain.max.y = 0.5*pi;
+ surface->radius = radius;
+}
+
+void oPRCFile::addSphere(double radius, const PRCmaterial &m, PRCFACETRANSFORM)
+{
+ ADDFACE(PRCSphere)
+ SETTRANSF
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 2*pi;
+ surface->uv_domain.min.y =-0.5*pi;
+ surface->uv_domain.max.y = 0.5*pi;
+ surface->radius = radius;
+}
+
+void oPRCFile::addDisk(double radius, const PRCmaterial &m, PRCFACETRANSFORM)
+{
+ ADDFACE(PRCRuled)
+ SETTRANSF
+ PRCCircle *first_curve = new PRCCircle;
+ first_curve->radius = radius;
+ surface->first_curve = first_curve;
+ PRCCircle *second_curve = new PRCCircle;
+ second_curve->radius = 0;
+ surface->second_curve = second_curve;
+
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 1;
+ surface->uv_domain.min.y = 0;
+ surface->uv_domain.max.y = 2*pi;
+ surface->parameterization_on_v_coeff_a = -1;
+ surface->parameterization_on_v_coeff_b = 2*pi;
+}
+
+void oPRCFile::addCylinder(double radius, double height, const PRCmaterial &m, PRCFACETRANSFORM)
+{
+ ADDFACE(PRCCylinder)
+ SETTRANSF
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 2*pi;
+ surface->uv_domain.min.y = (height>0)?0:height;
+ surface->uv_domain.max.y = (height>0)?height:0;
+ surface->radius = radius;
+}
+
+void oPRCFile::addCone(double radius, double height, const PRCmaterial &m, PRCFACETRANSFORM)
+{
+ ADDFACE(PRCCone)
+ SETTRANSF
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 2*pi;
+ surface->uv_domain.min.y = (height>0)?0:height;
+ surface->uv_domain.max.y = (height>0)?height:0;
+ surface->bottom_radius = radius;
+ surface->semi_angle = -atan(radius/height);;
+}
+
+void oPRCFile::addTorus(double major_radius, double minor_radius, double angle1, double angle2, const PRCmaterial &m, PRCFACETRANSFORM)
+{
+ ADDFACE(PRCTorus)
+ SETTRANSF
+ surface->uv_domain.min.x = (angle1/180)*pi;
+ surface->uv_domain.max.x = (angle2/180)*pi;
+ surface->uv_domain.min.y = 0;
+ surface->uv_domain.max.y = 2*pi;
+ surface->major_radius = major_radius;
+ surface->minor_radius = minor_radius;
+}
+
+#undef ADDWIRE
+#undef SETTRANSF
+
+uint32_t PRCFileStructure::addMaterialGeneric(PRCMaterialGeneric*& pMaterialGeneric)
+{
+ materials.push_back(pMaterialGeneric);
+ pMaterialGeneric = NULL;
+ return materials.size()-1;
+}
+
+uint32_t PRCFileStructure::addTextureApplication(PRCTextureApplication*& pTextureApplication)
+{
+ materials.push_back(pTextureApplication);
+ pTextureApplication = NULL;
+ return materials.size()-1;
+}
+
+uint32_t PRCFileStructure::addStyle(PRCStyle*& pStyle)
+{
+ styles.push_back(pStyle);
+ pStyle = NULL;
+ return styles.size()-1;
+}
+
+uint32_t PRCFileStructure::addPartDefinition(PRCPartDefinition*& pPartDefinition)
+{
+ part_definitions.push_back(pPartDefinition);
+ pPartDefinition = NULL;
+ return part_definitions.size()-1;
+}
+
+uint32_t PRCFileStructure::addProductOccurrence(PRCProductOccurrence*& pProductOccurrence)
+{
+ product_occurrences.push_back(pProductOccurrence);
+ pProductOccurrence = NULL;
+ return product_occurrences.size()-1;
+}
+
+uint32_t PRCFileStructure::addTopoContext(PRCTopoContext*& pTopoContext)
+{
+ contexts.push_back(pTopoContext);
+ pTopoContext = NULL;
+ return contexts.size()-1;
+}
+
+uint32_t PRCFileStructure::getTopoContext(PRCTopoContext*& pTopoContext)
+{
+ pTopoContext = new PRCTopoContext;
+ contexts.push_back(pTopoContext);
+ return contexts.size()-1;
+}
+
+uint32_t PRCFileStructure::add3DTess(PRC3DTess*& p3DTess)
+{
+ tessellations.push_back(p3DTess);
+ p3DTess = NULL;
+ return tessellations.size()-1;
+}
+
+uint32_t PRCFileStructure::add3DWireTess(PRC3DWireTess*& p3DWireTess)
+{
+ tessellations.push_back(p3DWireTess);
+ p3DWireTess = NULL;
+ return tessellations.size()-1;
+}
+/*
+uint32_t PRCFileStructure::addMarkupTess(PRCMarkupTess*& pMarkupTess)
+{
+ tessellations.push_back(pMarkupTess);
+ pMarkupTess = NULL;
+ return tessellations.size()-1;
+}
+
+uint32_t PRCFileStructure::addMarkup(PRCMarkup*& pMarkup)
+{
+ markups.push_back(pMarkup);
+ pMarkup = NULL;
+ return markups.size()-1;
+}
+
+uint32_t PRCFileStructure::addAnnotationItem(PRCAnnotationItem*& pAnnotationItem)
+{
+ annotation_entities.push_back(pAnnotationItem);
+ pAnnotationItem = NULL;
+ return annotation_entities.size()-1;
+}
+*/
+uint32_t PRCFileStructure::addCoordinateSystem(PRCCoordinateSystem*& pCoordinateSystem)
+{
+ reference_coordinate_systems.push_back(pCoordinateSystem);
+ pCoordinateSystem = NULL;
+ return reference_coordinate_systems.size()-1;
+}
+
+uint32_t PRCFileStructure::addCoordinateSystemUnique(PRCCoordinateSystem*& pCoordinateSystem)
+{
+ for(uint32_t i = 0; i < reference_coordinate_systems.size(); ++i)
+ {
+ if(*(reference_coordinate_systems[i])==*pCoordinateSystem) {
+ pCoordinateSystem = NULL;
+ return i;
+ }
+ }
+ reference_coordinate_systems.push_back(pCoordinateSystem);
+ pCoordinateSystem = NULL;
+ return reference_coordinate_systems.size()-1;
+}
+
+}