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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/>.
+*
+*************/
+
+#ifndef __O_PRC_FILE_H
+#define __O_PRC_FILE_H
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <map>
+#include <set>
+#include <list>
+#include <stack>
+#include <string>
+#include <cstring>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "PRC.h"
+#include "PRCbitStream.h"
+#include "writePRC.h"
+
+namespace prc {
+
+class oPRCFile;
+class PRCFileStructure;
+
+// Map [0,1] to [0,255]
+inline uint8_t byte(double r)
+{
+ if(r < 0.0) r=0.0;
+ else if(r > 1.0) r=1.0;
+ int a=(int)(256.0*r);
+ if(a == 256) a=255;
+ return a;
+}
+
+struct RGBAColour
+{
+ RGBAColour(double r=0.0, double g=0.0, double b=0.0, double a=1.0) :
+ R(r), G(g), B(b), A(a) {}
+ double R,G,B,A;
+
+ void Set(double r, double g, double b, double a=1.0)
+ {
+ R = r; G = g; B = b; A = a;
+ }
+ bool operator==(const RGBAColour &c) const
+ {
+ return (R==c.R && G==c.G && B==c.B && A==c.A);
+ }
+ bool operator!=(const RGBAColour &c) const
+ {
+ return !(R==c.R && G==c.G && B==c.B && A==c.A);
+ }
+ bool operator<(const RGBAColour &c) const
+ {
+ if(R!=c.R)
+ return (R<c.R);
+ if(G!=c.G)
+ return (G<c.G);
+ if(B!=c.B)
+ return (B<c.B);
+ return (A<c.A);
+ }
+ friend RGBAColour operator * (const RGBAColour& a, const double d)
+ { return RGBAColour(a.R*d,a.G*d,a.B*d,a.A*d); }
+ friend RGBAColour operator * (const double d, const RGBAColour& a)
+ { return RGBAColour(a.R*d,a.G*d,a.B*d,a.A*d); }
+
+};
+typedef std::map<RGBAColour,uint32_t> PRCcolourMap;
+
+struct RGBAColourWidth
+{
+ RGBAColourWidth(double r=0.0, double g=0.0, double b=0.0, double a=1.0, double w=1.0) :
+ R(r), G(g), B(b), A(a), W(w) {}
+ double R,G,B,A,W;
+
+ bool operator==(const RGBAColourWidth &c) const
+ {
+ return (R==c.R && G==c.G && B==c.B && A==c.A && W==c.W);
+ }
+ bool operator!=(const RGBAColourWidth &c) const
+ {
+ return !(R==c.R && G==c.G && B==c.B && A==c.A && W==c.W);
+ }
+ bool operator<(const RGBAColourWidth &c) const
+ {
+ if(R!=c.R)
+ return (R<c.R);
+ if(G!=c.G)
+ return (G<c.G);
+ if(B!=c.B)
+ return (B<c.B);
+ if(A!=c.A)
+ return (A<c.A);
+ return (W<c.W);
+ }
+};
+typedef std::map<RGBAColourWidth,uint32_t> PRCcolourwidthMap;
+
+typedef std::map<PRCRgbColor,uint32_t> PRCcolorMap;
+
+struct PRCmaterial
+{
+ PRCmaterial() : alpha(1.0),shininess(1.0),
+ picture_data(NULL), picture_format(KEPRCPicture_BITMAP_RGB_BYTE), picture_width(0), picture_height(0), picture_size(0),
+ picture_replace(false), picture_repeat(false) {}
+ PRCmaterial(const RGBAColour &a, const RGBAColour &d, const RGBAColour &e,
+ const RGBAColour &s, double p, double h,
+ const uint8_t* pic=NULL, EPRCPictureDataFormat picf=KEPRCPicture_BITMAP_RGB_BYTE,
+ uint32_t picw=0, uint32_t pich=0, uint32_t pics=0, bool picreplace=false, bool picrepeat=false) :
+ ambient(a), diffuse(d), emissive(e), specular(s), alpha(p), shininess(h),
+ picture_data(pic), picture_format(picf), picture_width(picw), picture_height(pich), picture_size(pics),
+ picture_replace(picreplace), picture_repeat(picrepeat) {
+ if(picture_size==0)
+ {
+ if (picture_format==KEPRCPicture_BITMAP_RGB_BYTE)
+ picture_size = picture_width*picture_height*3;
+ if (picture_format==KEPRCPicture_BITMAP_RGBA_BYTE)
+ picture_size = picture_width*picture_height*4;
+ if (picture_format==KEPRCPicture_BITMAP_GREY_BYTE)
+ picture_size = picture_width*picture_height*1;
+ if (picture_format==KEPRCPicture_BITMAP_GREYA_BYTE)
+ picture_size = picture_width*picture_height*2;
+ }
+ }
+ RGBAColour ambient,diffuse,emissive,specular;
+ double alpha,shininess;
+ const uint8_t* picture_data;
+ EPRCPictureDataFormat picture_format;
+ uint32_t picture_width;
+ uint32_t picture_height;
+ uint32_t picture_size;
+ bool picture_replace; // replace material color with texture color? if false - just modify
+ bool picture_repeat; // repeat texture? if false - clamp to edge
+
+ bool operator==(const PRCmaterial &m) const
+ {
+ return (ambient==m.ambient && diffuse==m.diffuse && emissive==m.emissive
+ && specular==m.specular && alpha==m.alpha && shininess==m.shininess
+ && picture_replace==m.picture_replace && picture_repeat==m.picture_repeat
+ && picture_format==m.picture_format
+ && picture_width==m.picture_width && picture_height==m.picture_height && picture_size==m.picture_size
+ && (picture_data==m.picture_data || memcmp(picture_data,m.picture_data,picture_size)==0) );
+ }
+ bool operator<(const PRCmaterial &m) const
+ {
+ if(ambient!=m.ambient)
+ return (ambient<m.ambient);
+ if(diffuse!=m.diffuse)
+ return (diffuse<m.diffuse);
+ if(emissive!=m.emissive)
+ return (emissive<m.emissive);
+ if(specular!=m.specular)
+ return (specular<m.specular);
+ if(alpha!=m.alpha)
+ return (alpha<m.alpha);
+ if(shininess!=m.shininess)
+ return (shininess<m.shininess);
+ if(picture_replace!=m.picture_replace)
+ return (picture_replace<m.picture_replace);
+ if(picture_repeat!=m.picture_repeat)
+ return (picture_repeat<m.picture_repeat);
+ if(picture_format!=m.picture_format)
+ return (picture_format<m.picture_format);
+ if(picture_width!=m.picture_width)
+ return (picture_width<m.picture_width);
+ if(picture_height!=m.picture_height)
+ return (picture_height<m.picture_height);
+ if(picture_size!=m.picture_size)
+ return (picture_size<m.picture_size);
+ if(picture_data!=m.picture_data)
+ return (memcmp(picture_data,m.picture_data,picture_size)<0);
+ return false;
+ }
+};
+typedef std::map<PRCmaterial,uint32_t> PRCmaterialMap;
+
+struct PRCpicture
+{
+ PRCpicture() :
+ data(NULL), format(KEPRCPicture_BITMAP_RGB_BYTE),
+ width(0), height(0), size(0) {}
+ PRCpicture(const uint8_t* pic, EPRCPictureDataFormat picf,
+ uint32_t picw, uint32_t pich, uint32_t pics=0) :
+ data(pic), format(picf),
+ width(picw), height(pich), size(pics)
+ {
+ if(size==0)
+ {
+ if (format==KEPRCPicture_BITMAP_RGB_BYTE)
+ size = width*height*3;
+ if (format==KEPRCPicture_BITMAP_RGBA_BYTE)
+ size = width*height*4;
+ if (format==KEPRCPicture_BITMAP_GREY_BYTE)
+ size = width*height*1;
+ if (format==KEPRCPicture_BITMAP_GREYA_BYTE)
+ size = width*height*2;
+ }
+ }
+ PRCpicture(const PRCmaterial& m) :
+ data(m.picture_data), format(m.picture_format),
+ width(m.picture_width), height(m.picture_height), size(m.picture_size) {}
+
+ const uint8_t* data;
+ EPRCPictureDataFormat format;
+ uint32_t width;
+ uint32_t height;
+ uint32_t size;
+ bool operator==(const PRCpicture& p) const
+ {
+ return ( format==p.format
+ && width==p.width && height==p.height && size==p.size
+ && (data==p.data || memcmp(data,p.data,size)==0) );
+ }
+ bool operator<(const PRCpicture& p) const
+ {
+ if(format!=p.format)
+ return (format<p.format);
+ if(width!=p.width)
+ return (width<p.width);
+ if(height!=p.height)
+ return (height<p.height);
+ if(size!=p.size)
+ return (size<p.size);
+ if(data!=p.data)
+ return (memcmp(data,p.data,size)<0);
+ return false;
+ }
+};
+
+typedef std::map<PRCpicture,uint32_t> PRCpictureMap;
+
+struct PRCmaterialgeneric
+{
+ PRCmaterialgeneric() : alpha(1.0),shininess(1.0) {}
+ PRCmaterialgeneric(const RGBAColour& a, const RGBAColour& d, const RGBAColour& e,
+ const RGBAColour& s, double p, double h) :
+ ambient(a), diffuse(d), emissive(e), specular(s), alpha(p), shininess(h) {}
+ PRCmaterialgeneric(const PRCmaterial& m) :
+ ambient(m.ambient), diffuse(m.diffuse), emissive(m.emissive), specular(m.specular), alpha(m.alpha), shininess(m.shininess) {}
+ RGBAColour ambient,diffuse,emissive,specular;
+ double alpha,shininess;
+
+ bool operator==(const PRCmaterialgeneric& m) const
+ {
+ return (ambient==m.ambient && diffuse==m.diffuse && emissive==m.emissive
+ && specular==m.specular && alpha==m.alpha && shininess==m.shininess);
+ }
+ bool operator<(const PRCmaterialgeneric& m) const
+ {
+ if(ambient!=m.ambient)
+ return (ambient<m.ambient);
+ if(diffuse!=m.diffuse)
+ return (diffuse<m.diffuse);
+ if(emissive!=m.emissive)
+ return (emissive<m.emissive);
+ if(specular!=m.specular)
+ return (specular<m.specular);
+ if(alpha!=m.alpha)
+ return (alpha<m.alpha);
+ if(shininess!=m.shininess)
+ return (shininess<m.shininess);
+ return false;
+ }
+};
+typedef std::map<PRCmaterialgeneric,uint32_t> PRCmaterialgenericMap;
+
+struct PRCtexturedefinition
+{
+ PRCtexturedefinition() :
+ picture_index(m1), picture_replace(false), picture_repeat(false) {}
+ PRCtexturedefinition(uint32_t picindex, bool picreplace=false, bool picrepeat=false) :
+ picture_index(picindex), picture_replace(picreplace), picture_repeat(picrepeat) {}
+ PRCtexturedefinition(uint32_t picindex, const PRCmaterial& m) :
+ picture_index(picindex), picture_replace(m.picture_replace), picture_repeat(m.picture_repeat) {}
+ uint32_t picture_index;
+ bool picture_replace; // replace material color with texture color? if false - just modify
+ bool picture_repeat; // repeat texture? if false - clamp to edge
+
+ bool operator==(const PRCtexturedefinition& t) const
+ {
+ return (picture_index==t.picture_index
+ && picture_replace==t.picture_replace && picture_repeat==t.picture_repeat);
+ }
+ bool operator<(const PRCtexturedefinition& t) const
+ {
+ if(picture_index!=t.picture_index)
+ return (picture_index<t.picture_index);
+ if(picture_replace!=t.picture_replace)
+ return (picture_replace<t.picture_replace);
+ if(picture_repeat!=t.picture_repeat)
+ return (picture_repeat<t.picture_repeat);
+ return false;
+ }
+};
+typedef std::map<PRCtexturedefinition,uint32_t> PRCtexturedefinitionMap;
+
+struct PRCtextureapplication
+{
+ PRCtextureapplication() :
+ material_generic_index(m1), texture_definition_index(m1) {}
+ PRCtextureapplication(uint32_t matindex, uint32_t texindex) :
+ material_generic_index(matindex), texture_definition_index(texindex) {}
+ uint32_t material_generic_index;
+ uint32_t texture_definition_index;
+
+ bool operator==(const PRCtextureapplication& t) const
+ {
+ return (material_generic_index==t.material_generic_index
+ && texture_definition_index==t.texture_definition_index);
+ }
+ bool operator<(const PRCtextureapplication& t) const
+ {
+ if(material_generic_index!=t.material_generic_index)
+ return (material_generic_index<t.material_generic_index);
+ if(texture_definition_index!=t.texture_definition_index)
+ return (texture_definition_index<t.texture_definition_index);
+ return false;
+ }
+};
+typedef std::map<PRCtextureapplication,uint32_t> PRCtextureapplicationMap;
+
+struct PRCstyle
+{
+ PRCstyle() :
+ line_width(0), alpha(1), is_material(false), color_material_index(m1) {}
+ PRCstyle(double linewidth, double alph, bool ismat, uint32_t colindex=m1) :
+ line_width(linewidth), alpha(alph), is_material(ismat), color_material_index(colindex) {}
+ double line_width;
+ double alpha;
+ bool is_material;
+ uint32_t color_material_index;
+
+ bool operator==(const PRCstyle& s) const
+ {
+ return (line_width==s.line_width && alpha==s.alpha && is_material==s.is_material
+ && color_material_index==s.color_material_index);
+ }
+ bool operator<(const PRCstyle& s) const
+ {
+ if(line_width!=s.line_width)
+ return (line_width<s.line_width);
+ if(alpha!=s.alpha)
+ return (alpha<s.alpha);
+ if(is_material!=s.is_material)
+ return (is_material<s.is_material);
+ if(color_material_index!=s.color_material_index)
+ return (color_material_index<s.color_material_index);
+ return false;
+ }
+};
+typedef std::map<PRCstyle,uint32_t> PRCstyleMap;
+
+struct PRCtessrectangle // rectangle
+{
+ PRCVector3d vertices[4];
+ uint32_t style;
+};
+typedef std::vector<PRCtessrectangle> PRCtessrectangleList;
+
+struct PRCtessquad // rectangle
+{
+ PRCVector3d vertices[4];
+ RGBAColour colours[4];
+};
+typedef std::vector<PRCtessquad> PRCtessquadList;
+/*
+struct PRCtesstriangle // textured triangle
+{
+ PRCtesstriangle() :
+ style(m1) {}
+ PRCVector3d vertices[3];
+// PRCVector3d normals[3];
+// RGBAColour colors[3];
+ PRCVector2d texcoords[3];
+ uint32_t style;
+};
+typedef std::vector<PRCtesstriangle> PRCtesstriangleList;
+*/
+struct PRCtessline // polyline
+{
+ std::vector<PRCVector3d> point;
+ PRCRgbColor color;
+};
+typedef std::list<PRCtessline> PRCtesslineList;
+typedef std::map<double, PRCtesslineList> PRCtesslineMap;
+
+struct PRCface
+{
+ PRCface() : transform(NULL), face(NULL) {}
+ uint32_t style;
+ bool transparent;
+ PRCGeneralTransformation3d* transform;
+ PRCFace* face;
+};
+typedef std::vector <PRCface> PRCfaceList;
+
+struct PRCcompface
+{
+ PRCcompface() : face(NULL) {}
+ uint32_t style;
+ bool transparent;
+ PRCCompressedFace* face;
+};
+typedef std::vector <PRCcompface> PRCcompfaceList;
+
+struct PRCwire
+{
+ PRCwire() : style(m1), transform(NULL), curve(NULL) {}
+ uint32_t style;
+ PRCGeneralTransformation3d* transform;
+ PRCCurve* curve;
+};
+typedef std::vector <PRCwire> PRCwireList;
+
+typedef std::map <uint32_t,std::vector<PRCVector3d> > PRCpointsetMap;
+
+class PRCoptions
+{
+public:
+ double compression;
+ double granularity;
+
+ bool closed; // render the surface as one-sided; may yield faster rendering
+ bool tess; // use tessellated mesh to store straight patches
+ bool do_break; //
+ bool no_break; // do not render transparent patches as one-faced nodes
+ double crease_angle; // crease angle for meshes
+
+ PRCoptions(double compression=0.0, double granularity=0.0, bool closed=false,
+ bool tess=false, bool do_break=true, bool no_break=false, double crease_angle=25.8419)
+ : compression(compression), granularity(granularity), closed(closed),
+ tess(tess), do_break(do_break), no_break(no_break), crease_angle(crease_angle) {}
+};
+
+class PRCgroup
+{
+ public:
+ PRCgroup() :
+ product_occurrence(NULL), parent_product_occurrence(NULL), part_definition(NULL), parent_part_definition(NULL), transform(NULL) {}
+ PRCgroup(const std::string& name) :
+ product_occurrence(NULL), parent_product_occurrence(NULL), part_definition(NULL), parent_part_definition(NULL), transform(NULL), name(name) {}
+ PRCProductOccurrence *product_occurrence, *parent_product_occurrence;
+ PRCPartDefinition *part_definition, *parent_part_definition;
+ PRCfaceList faces;
+ PRCcompfaceList compfaces;
+ PRCtessrectangleList rectangles;
+// PRCtesstriangleList triangles;
+ PRCtessquadList quads;
+ PRCtesslineMap lines;
+ PRCwireList wires;
+ PRCpointsetMap points;
+ std::vector<PRCPointSet*> pointsets;
+ std::vector<PRCPolyBrepModel*> polymodels;
+ std::vector<PRCPolyWire*> polywires;
+ PRCGeneralTransformation3d* transform;
+ std::string name;
+ PRCoptions options;
+};
+
+void makeFileUUID(PRCUniqueId&);
+void makeAppUUID(PRCUniqueId&);
+
+class PRCUncompressedFile
+{
+ public:
+ PRCUncompressedFile() : file_size(0), data(NULL) {}
+ PRCUncompressedFile(uint32_t fs, uint8_t *d) : file_size(fs), data(d) {}
+ ~PRCUncompressedFile() { if(data != NULL) delete[] data; }
+ uint32_t file_size;
+ uint8_t *data;
+
+ void write(std::ostream&) const;
+
+ uint32_t getSize() const;
+};
+typedef std::deque <PRCUncompressedFile*> PRCUncompressedFileList;
+
+class PRCStartHeader
+{
+ public:
+ uint32_t minimal_version_for_read; // PRCVersion
+ uint32_t authoring_version; // PRCVersion
+ PRCUniqueId file_structure_uuid;
+ PRCUniqueId application_uuid; // should be 0
+
+ PRCStartHeader() :
+ minimal_version_for_read(PRCVersion), authoring_version(PRCVersion) {}
+ void serializeStartHeader(std::ostream&) const;
+
+ uint32_t getStartHeaderSize() const;
+};
+
+class PRCFileStructure : public PRCStartHeader
+{
+ public:
+ uint32_t number_of_referenced_file_structures;
+ double tessellation_chord_height_ratio;
+ double tessellation_angle_degree;
+ std::string default_font_family_name;
+ std::vector<PRCRgbColor> colors;
+ std::vector<PRCPicture> pictures;
+ PRCUncompressedFileList uncompressed_files;
+ PRCTextureDefinitionList texture_definitions;
+ PRCMaterialList materials;
+ PRCStyleList styles;
+ PRCCoordinateSystemList reference_coordinate_systems;
+ std::vector<PRCFontKeysSameFont> font_keys_of_font;
+ PRCPartDefinitionList part_definitions;
+ PRCProductOccurrenceList product_occurrences;
+// PRCMarkupList markups;
+// PRCAnnotationItemList annotation_entities;
+ double unit;
+ PRCTopoContextList contexts;
+ PRCTessList tessellations;
+
+ uint32_t sizes[6];
+ uint8_t *globals_data;
+ PRCbitStream globals_out; // order matters: PRCbitStream must be initialized last
+ uint8_t *tree_data;
+ PRCbitStream tree_out;
+ uint8_t *tessellations_data;
+ PRCbitStream tessellations_out;
+ uint8_t *geometry_data;
+ PRCbitStream geometry_out;
+ uint8_t *extraGeometry_data;
+ PRCbitStream extraGeometry_out;
+
+ ~PRCFileStructure () {
+ for(PRCUncompressedFileList::iterator it=uncompressed_files.begin(); it!=uncompressed_files.end(); ++it) delete *it;
+ for(PRCTextureDefinitionList::iterator it=texture_definitions.begin(); it!=texture_definitions.end(); ++it) delete *it;
+ for(PRCMaterialList::iterator it=materials.begin(); it!=materials.end(); ++it) delete *it;
+ for(PRCStyleList::iterator it=styles.begin(); it!=styles.end(); ++it) delete *it;
+ for(PRCTopoContextList::iterator it=contexts.begin(); it!=contexts.end(); ++it) delete *it;
+ for(PRCTessList::iterator it=tessellations.begin(); it!=tessellations.end(); ++it) delete *it;
+ for(PRCPartDefinitionList::iterator it=part_definitions.begin(); it!=part_definitions.end(); ++it) delete *it;
+ for(PRCProductOccurrenceList::iterator it=product_occurrences.begin(); it!=product_occurrences.end(); ++it) delete *it;
+ for(PRCCoordinateSystemList::iterator it=reference_coordinate_systems.begin(); it!=reference_coordinate_systems.end(); it++)
+ delete *it;
+
+ free(globals_data);
+ free(tree_data);
+ free(tessellations_data);
+ free(geometry_data);
+ free(extraGeometry_data);
+ }
+
+ PRCFileStructure() :
+ number_of_referenced_file_structures(0),
+ tessellation_chord_height_ratio(2000.0),tessellation_angle_degree(40.0),
+ default_font_family_name(""),
+ unit(1),
+ globals_data(NULL),globals_out(globals_data,0),
+ tree_data(NULL),tree_out(tree_data,0),
+ tessellations_data(NULL),tessellations_out(tessellations_data,0),
+ geometry_data(NULL),geometry_out(geometry_data,0),
+ extraGeometry_data(NULL),extraGeometry_out(extraGeometry_data,0) {}
+ void write(std::ostream&);
+ void prepare();
+ uint32_t getSize();
+ void serializeFileStructureGlobals(PRCbitStream&);
+ void serializeFileStructureTree(PRCbitStream&);
+ void serializeFileStructureTessellation(PRCbitStream&);
+ void serializeFileStructureGeometry(PRCbitStream&);
+ void serializeFileStructureExtraGeometry(PRCbitStream&);
+ uint32_t addPicture(EPRCPictureDataFormat format, uint32_t size, const uint8_t *picture, uint32_t width=0, uint32_t height=0, std::string name="");
+ uint32_t addTextureDefinition(PRCTextureDefinition*& pTextureDefinition);
+ uint32_t addRgbColor(const PRCRgbColor &color);
+ uint32_t addRgbColorUnique(const PRCRgbColor &color);
+ uint32_t addMaterialGeneric(PRCMaterialGeneric*& pMaterialGeneric);
+ uint32_t addTextureApplication(PRCTextureApplication*& pTextureApplication);
+ uint32_t addStyle(PRCStyle*& pStyle);
+ uint32_t addPartDefinition(PRCPartDefinition*& pPartDefinition);
+ uint32_t addProductOccurrence(PRCProductOccurrence*& pProductOccurrence);
+ uint32_t addTopoContext(PRCTopoContext*& pTopoContext);
+ uint32_t getTopoContext(PRCTopoContext*& pTopoContext);
+ uint32_t add3DTess(PRC3DTess*& p3DTess);
+ uint32_t add3DWireTess(PRC3DWireTess*& p3DWireTess);
+/*
+ uint32_t addMarkupTess(PRCMarkupTess*& pMarkupTess);
+ uint32_t addMarkup(PRCMarkup*& pMarkup);
+ uint32_t addAnnotationItem(PRCAnnotationItem*& pAnnotationItem);
+ */
+ uint32_t addCoordinateSystem(PRCCoordinateSystem*& pCoordinateSystem);
+ uint32_t addCoordinateSystemUnique(PRCCoordinateSystem*& pCoordinateSystem);
+};
+
+class PRCFileStructureInformation
+{
+ public:
+ PRCUniqueId UUID;
+ uint32_t reserved; // 0
+ uint32_t number_of_offsets;
+ uint32_t *offsets;
+
+ void write(std::ostream&);
+
+ uint32_t getSize();
+};
+
+class PRCHeader : public PRCStartHeader
+{
+ public :
+ uint32_t number_of_file_structures;
+ PRCFileStructureInformation *fileStructureInformation;
+ uint32_t model_file_offset;
+ uint32_t file_size; // not documented
+ PRCUncompressedFileList uncompressed_files;
+
+ void write(std::ostream&);
+ uint32_t getSize();
+};
+
+typedef std::map <PRCGeneralTransformation3d,uint32_t> PRCtransformMap;
+
+inline double X(const double *v) {return v[0];}
+inline double Y(const double *v) {return v[1];}
+inline double Z(const double *v) {return v[2];}
+
+class oPRCFile
+{
+ public:
+ oPRCFile(std::ostream &os, double u=1, uint32_t n=1) :
+ number_of_file_structures(n),
+ fileStructures(new PRCFileStructure*[n]),
+ unit(u),
+ modelFile_data(NULL),modelFile_out(modelFile_data,0),
+ fout(NULL),output(os)
+ {
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ fileStructures[i] = new PRCFileStructure();
+ fileStructures[i]->minimal_version_for_read = PRCVersion;
+ fileStructures[i]->authoring_version = PRCVersion;
+ makeFileUUID(fileStructures[i]->file_structure_uuid);
+ makeAppUUID(fileStructures[i]->application_uuid);
+ fileStructures[i]->unit = u;
+ }
+
+ groups.push(PRCgroup());
+ PRCgroup &group = groups.top();
+ group.name="root";
+ group.transform = NULL;
+ group.product_occurrence = new PRCProductOccurrence(group.name);
+ group.parent_product_occurrence = NULL;
+ group.part_definition = new PRCPartDefinition;
+ group.parent_part_definition = NULL;
+ }
+
+ oPRCFile(const std::string &name, double u=1, uint32_t n=1) :
+ number_of_file_structures(n),
+ fileStructures(new PRCFileStructure*[n]),
+ unit(u),
+ modelFile_data(NULL),modelFile_out(modelFile_data,0),
+ fout(new std::ofstream(name.c_str(),
+ std::ios::out|std::ios::binary|std::ios::trunc)),
+ output(*fout)
+ {
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ {
+ fileStructures[i] = new PRCFileStructure();
+ fileStructures[i]->minimal_version_for_read = PRCVersion;
+ fileStructures[i]->authoring_version = PRCVersion;
+ makeFileUUID(fileStructures[i]->file_structure_uuid);
+ makeAppUUID(fileStructures[i]->application_uuid);
+ fileStructures[i]->unit = u;
+ }
+
+ groups.push(PRCgroup());
+ PRCgroup &group = groups.top();
+ group.name="root";
+ group.transform = NULL;
+ group.product_occurrence = new PRCProductOccurrence(group.name);
+ group.parent_product_occurrence = NULL;
+ group.part_definition = new PRCPartDefinition;
+ group.parent_part_definition = NULL;
+ }
+
+ ~oPRCFile()
+ {
+ for(uint32_t i = 0; i < number_of_file_structures; ++i)
+ delete fileStructures[i];
+ delete[] fileStructures;
+ if(fout != NULL)
+ delete fout;
+ free(modelFile_data);
+ for(PRCpictureMap::iterator it=pictureMap.begin(); it!=pictureMap.end(); ++it) delete it->first.data;
+ }
+
+ void begingroup(const char *name, PRCoptions *options=NULL,
+ const double* t=NULL);
+ void endgroup();
+
+ std::string lastgroupname;
+ std::vector<std::string> lastgroupnames;
+ std::string calculate_unique_name(const ContentPRCBase *prc_entity,const ContentPRCBase *prc_occurence);
+
+ bool finish();
+ uint32_t getSize();
+
+ const uint32_t number_of_file_structures;
+ PRCFileStructure **fileStructures;
+ PRCHeader header;
+ PRCUnit unit;
+ uint8_t *modelFile_data;
+ PRCbitStream modelFile_out; // order matters: PRCbitStream must be initialized last
+ PRCcolorMap colorMap;
+ PRCcolourMap colourMap;
+ PRCcolourwidthMap colourwidthMap;
+ PRCmaterialgenericMap materialgenericMap;
+ PRCtexturedefinitionMap texturedefinitionMap;
+ PRCtextureapplicationMap textureapplicationMap;
+ PRCstyleMap styleMap;
+ PRCpictureMap pictureMap;
+ PRCgroup rootGroup;
+ PRCtransformMap transformMap;
+ std::stack<PRCgroup> groups;
+ PRCgroup& findGroup();
+ void doGroup(PRCgroup& group);
+ uint32_t addColor(const PRCRgbColor &color);
+ uint32_t addColour(const RGBAColour &colour);
+ uint32_t addColourWidth(const RGBAColour &colour, double width);
+ uint32_t addLineMaterial(const RGBAColour& c, double width)
+ { return addColourWidth(c,width); }
+ uint32_t addMaterial(const PRCmaterial &material);
+ uint32_t addTransform(PRCGeneralTransformation3d*& transform);
+ uint32_t addTransform(const double* t);
+ uint32_t addTransform(const double origin[3], const double x_axis[3], const double y_axis[3], double scale);
+template<class V>
+void addPoint(const V P, const RGBAColour &c, double w=1.0)
+{
+ PRCgroup &group = findGroup();
+ group.points[addColourWidth(c,w)].push_back(PRCVector3d(X(P),Y(P),Z(P)));
+}
+ void addPoints(uint32_t n, const double P[][3], const RGBAColour &c, double w=1.0);
+ void 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[]);
+ uint32_t 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[]);
+template<class V>
+ void addTriangles(uint32_t nP, const V P[], uint32_t nI, const uint32_t PI[][3], const PRCmaterial &m,
+ uint32_t nN, const V N[], const uint32_t NI[][3],
+ uint32_t nT, const double T[][2], const uint32_t TI[][3],
+ uint32_t nC, const RGBAColour C[], const uint32_t CI[][3],
+ 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 = createTriangleMesh(nP, P, nI, PI, m, nN, N, NI, nT, T, TI, nC, C, CI, nM, M, MI, ca);
+ useMesh(tess_index,m1);
+}
+template<class V>
+ uint32_t createTriangleMesh(uint32_t nP, const V P[], uint32_t nI, const uint32_t PI[][3], const PRCmaterial& m,
+ uint32_t nN, const V N[], const uint32_t NI[][3],
+ uint32_t nT, const double T[][2], const uint32_t TI[][3],
+ uint32_t nC, const RGBAColour C[], const uint32_t CI[][3],
+ uint32_t nM, const PRCmaterial M[], const uint32_t MI[], double ca)
+ {
+ const uint32_t style = addMaterial(m);
+ if(M!=NULL && nM>0)
+ {
+ uint32_t* const styles = new uint32_t[nM];
+ for(uint32_t i=0; i<nM; i++)
+ styles[i]=addMaterial(M[i]);
+ const uint32_t meshid = createTriangleMesh(nP, P, nI, PI, style, nN, N, NI, nT, T, TI, nC, C, CI, nM, styles, MI, ca);
+ delete[] styles;
+ return meshid;
+ }
+ else
+ return createTriangleMesh(nP, P, nI, PI, style, nN, N, NI, nT, T, TI, nC, C, CI, 0, NULL, NULL, ca);
+ }
+
+template<class V>
+uint32_t createTriangleMesh(uint32_t nP, const V P[], uint32_t nI, const uint32_t PI[][3], const uint32_t style_index,
+uint32_t nN, const V N[], const uint32_t NI[][3],
+ uint32_t nT, const double T[][2], const uint32_t TI[][3],
+ uint32_t nC, const RGBAColour C[], const uint32_t CI[][3],
+ 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(X(P[i]));
+ tess->coordinates.push_back(Y(P[i]));
+ tess->coordinates.push_back(Z(P[i]));
+ }
+ if(has_normals)
+ {
+ tess->normal_coordinate.reserve(3*nN);
+ for(uint32_t i=0; i<nN; i++)
+ {
+ tess->normal_coordinate.push_back(X(N[i]));
+ tess->normal_coordinate.push_back(Y(N[i]));
+ tess->normal_coordinate.push_back(Z(N[i]));
+ }
+ }
+ 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(3*nI+(has_normals?3:0)*nI+(textured?3:0)*nI);
+ for(uint32_t i=0; i<nI; i++)
+ {
+ 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][2]);
+ if(textured)
+ tess->triangulated_index.push_back(2*TI[i][2]);
+ tess->triangulated_index.push_back(3*PI[i][2]);
+ }
+ tessFace->sizes_triangulated.push_back(nI);
+ if(triangle_color)
+ {
+ tessFace->line_attributes.reserve(nI);
+ for(uint32_t i=0; i<nI; i++)
+ tessFace->line_attributes.push_back(SI[i]);
+ }
+ else if (style_index != m1 )
+ {
+ 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((tessFace->is_rgba?4:3)*3*nI);
+ for(uint32_t i=0; i<nI; i++)
+ {
+ 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][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));
+ }
+ }
+ tess->addTessFace(tessFace);
+ const uint32_t tess_index = add3DTess(tess);
+ return tess_index;
+}
+
+ void 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);
+ uint32_t 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);
+ uint32_t createQuadMesh(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)
+ {
+ const uint32_t style = addMaterial(m);
+ if(M!=NULL && nM>0)
+ {
+ uint32_t* const styles = new uint32_t[nM];
+ for(uint32_t i=0; i<nM; i++)
+ styles[i]=addMaterial(M[i]);
+ const uint32_t meshid = createQuadMesh(nP, P, nI, PI, style, nN, N, NI, nT, T, TI, nC, C, CI, nM, styles, MI, ca);
+ delete[] styles;
+ return meshid;
+ }
+ else
+ return createQuadMesh(nP, P, nI, PI, style, nN, N, NI, nT, T, TI, nC, C, CI, 0, NULL, NULL, ca);
+ }
+#define PRCTRANSFORM const double origin[3]=NULL, const double x_axis[3]=NULL, const double y_axis[3]=NULL, double scale=1, const double* t=NULL
+#define PRCCARTRANSFORM const double origin[3], const double x_axis[3], const double y_axis[3], double scale
+#define PRCGENTRANSFORM const double* t=NULL
+#define PRCNOMATERIALINDEX m1
+
+#define ADDWIRE(curvtype) \
+ PRCgroup &group = findGroup(); \
+ group.wires.push_back(PRCwire()); \
+ PRCwire &wire = group.wires.back(); \
+ curvtype *curve = new curvtype; \
+ wire.curve = curve; \
+ wire.style = addColour(c);
+
+#define ADDFACE(surftype) \
+ PRCgroup &group = findGroup(); \
+ group.faces.push_back(PRCface()); \
+ PRCface& face = group.faces.back(); \
+ surftype *surface = new surftype; \
+ face.face = new PRCFace; \
+ face.face->base_surface = surface; \
+ face.transparent = m.alpha < 1.0; \
+ face.style = addMaterial(m);
+
+#define ADDCOMPFACE \
+ PRCgroup &group = findGroup(); \
+ group.compfaces.push_back(PRCcompface()); \
+ PRCcompface& face = group.compfaces.back(); \
+ PRCCompressedFace *compface = new PRCCompressedFace; \
+ face.face = compface; \
+ face.transparent = m.alpha < 1.0; \
+ face.style = addMaterial(m);
+
+inline bool isid(const double* t)
+{
+ return(
+ t[0]==1 && t[1]==0 && t[2]==0 && t[3]==0 &&
+ t[4]==0 && t[5]==1 && t[6]==0 && t[7]==0 &&
+ t[8]==0 && t[9]==0 && t[10]==1 && t[11]==0 &&
+ t[12]==0 && t[13]==0 && t[14]==0 && t[15]==1);
+}
+
+#define SETTRANSF \
+ if(t&&!isid(t)) \
+ face.transform = new PRCGeneralTransformation3d(t); \
+ if(origin) surface->origin.Set(origin[0],origin[1],origin[2]); \
+ if(x_axis) surface->x_axis.Set(x_axis[0],x_axis[1],x_axis[2]); \
+ if(y_axis) surface->y_axis.Set(y_axis[0],y_axis[1],y_axis[2]); \
+ surface->scale = scale; \
+ surface->geometry_is_2D = false; \
+ if(surface->origin!=PRCVector3d(0.0,0.0,0.0)) \
+ surface->behaviour = surface->behaviour | PRC_TRANSFORMATION_Translate; \
+ if(surface->x_axis!=PRCVector3d(1.0,0.0,0.0)||surface->y_axis!=PRCVector3d(0.0,1.0,0.0)) \
+ surface->behaviour = surface->behaviour | PRC_TRANSFORMATION_Rotate; \
+ if(surface->scale!=1) \
+ surface->behaviour = surface->behaviour | PRC_TRANSFORMATION_Scale; \
+ surface->has_transformation = (surface->behaviour != PRC_TRANSFORMATION_Identity);
+
+ void useMesh(uint32_t tess_index, uint32_t style_index, PRCGENTRANSFORM);
+ void useMesh(uint32_t tess_index, const PRCmaterial& m, PRCGENTRANSFORM)
+ { useMesh(tess_index,addMaterial(m),t); }
+ void useMesh(uint32_t tess_index, uint32_t style_index, PRCCARTRANSFORM);
+ void useMesh(uint32_t tess_index, const PRCmaterial& m, PRCCARTRANSFORM)
+ { useMesh(tess_index,addMaterial(m),origin, x_axis, y_axis, scale); }
+
+ void useLines(uint32_t tess_index, uint32_t style_index, PRCGENTRANSFORM);
+ void useLines(uint32_t tess_index, const RGBAColour& c, double w, PRCGENTRANSFORM)
+ { useLines(tess_index, addLineMaterial(c,w), t); }
+ void useLines(uint32_t tess_index, uint32_t style_index, PRCCARTRANSFORM);
+ void useLines(uint32_t tess_index, const RGBAColour& c, double w, PRCCARTRANSFORM)
+ { useLines(tess_index,addLineMaterial(c,w),origin, x_axis, y_axis, scale); }
+
+// void addTriangle(const double P[][3], const double T[][2], uint32_t style_index);
+
+template<class V>
+void addLine(uint32_t n, const V P[], const RGBAColour &c, double w=1.0)
+{
+ PRCgroup &group = findGroup();
+ if(group.options.tess)
+ {
+ group.lines[w].push_back(PRCtessline());
+ PRCtessline& line = group.lines[w].back();
+ line.color.red = c.R;
+ line.color.green = c.G;
+ line.color.blue = c.B;
+ for(uint32_t i=0; i<n; i++)
+ line.point.push_back(PRCVector3d(X(P[i]),Y(P[i]),Z(P[i])));
+ }
+ else
+ {
+ ADDWIRE(PRCPolyLine)
+ curve->point.resize(n);
+ for(uint32_t i=0; i<n; i++)
+ curve->point[i].Set(X(P[i]),Y(P[i]),Z(P[i]));
+ curve->interval.min = 0;
+ curve->interval.max = curve->point.size()-1;
+ }
+}
+template<class V>
+void addBezierCurve(uint32_t n, const V cP[], const RGBAColour &c)
+{
+ ADDWIRE(PRCNURBSCurve)
+ curve->is_rational = false;
+ curve->degree = 3;
+ const size_t NUMBER_OF_POINTS = n;
+ curve->control_point.resize(NUMBER_OF_POINTS);
+ for(size_t i = 0; i < NUMBER_OF_POINTS; ++i)
+ curve->control_point[i].Set(X(cP[i]),Y(cP[i]),Z(cP[i]));
+ curve->knot.resize(3+NUMBER_OF_POINTS+1);
+ curve->knot[0] = 1;
+ for(size_t i = 1; i < 3+NUMBER_OF_POINTS; ++i)
+ curve->knot[i] = (i+2)/3; // integer division is intentional
+ curve->knot[3+NUMBER_OF_POINTS] = (3+NUMBER_OF_POINTS+1)/3;
+}
+
+template<class V>
+void addCurve(uint32_t d, uint32_t n, const V cP[], const double *k, const RGBAColour &c, const double w[])
+{
+ ADDWIRE(PRCNURBSCurve)
+ curve->is_rational = (w!=NULL);
+ curve->degree = d;
+ curve->control_point.resize(n);
+ for(uint32_t i = 0; i < n; i++)
+ if(w)
+ curve->control_point[i].Set(X(cP[i])*w[i],Y(cP[i])*w[i],Z(cP[i])*w[i],
+ w[i]);
+ else
+ curve->control_point[i].Set(X(cP[i]),Y(cP[i]),Z(cP[i]));
+ curve->knot.resize(d+n+1);
+ for(uint32_t i = 0; i < d+n+1; i++)
+ curve->knot[i] = k[i];
+}
+
+template<class V>
+void addQuad(const V P[], const RGBAColour C[])
+{
+ PRCgroup &group = findGroup();
+
+ group.quads.push_back(PRCtessquad());
+ PRCtessquad &quad = group.quads.back();
+ for(size_t i = 0; i < 4; i++)
+ {
+ quad.vertices[i].x = X(P[i]);
+ quad.vertices[i].y = Y(P[i]);
+ quad.vertices[i].z = Z(P[i]);
+ quad.colours[i] = C[i];
+ }
+}
+
+template<class V>
+void addRectangle(const V P[], const PRCmaterial &m)
+{
+ PRCgroup &group = findGroup();
+ if(group.options.tess)
+ {
+ group.rectangles.push_back(PRCtessrectangle());
+ PRCtessrectangle &rectangle = group.rectangles.back();
+ rectangle.style = addMaterial(m);
+ for(size_t i = 0; i < 4; i++)
+ {
+ rectangle.vertices[i].x = X(P[i]);
+ rectangle.vertices[i].y = Y(P[i]);
+ rectangle.vertices[i].z = Z(P[i]);
+ }
+ }
+ else if(group.options.compression == 0.0)
+ {
+ ADDFACE(PRCNURBSSurface)
+
+ surface->is_rational = false;
+ surface->degree_in_u = 1;
+ surface->degree_in_v = 1;
+ surface->control_point.resize(4);
+ for(size_t i = 0; i < 4; ++i)
+ {
+ surface->control_point[i].x = X(P[i]);
+ surface->control_point[i].y = Y(P[i]);
+ surface->control_point[i].z = Z(P[i]);
+ }
+ surface->knot_u.resize(4);
+ surface->knot_v.resize(4);
+ surface->knot_v[0] = surface->knot_u[0] = 1;
+ surface->knot_v[1] = surface->knot_u[1] = 3;
+ surface->knot_v[2] = surface->knot_u[2] = 4;
+ surface->knot_v[3] = surface->knot_u[3] = 4;
+ }
+ else
+ {
+ ADDCOMPFACE
+
+ compface->degree = 1;
+ compface->control_point.resize(4);
+ for(size_t i = 0; i < 4; ++i)
+ {
+ compface->control_point[i].x = X(P[i]);
+ compface->control_point[i].y = Y(P[i]);
+ compface->control_point[i].z = Z(P[i]);
+ }
+ }
+}
+
+template<class V>
+void addPatch(const V cP[], const PRCmaterial &m)
+{
+ PRCgroup &group = findGroup();
+ if(group.options.compression == 0.0)
+ {
+ ADDFACE(PRCNURBSSurface)
+
+ surface->is_rational = false;
+ surface->degree_in_u = 3;
+ surface->degree_in_v = 3;
+ surface->control_point.resize(16);
+ for(size_t i = 0; i < 16; ++i)
+ {
+ surface->control_point[i].x = X(cP[i]);
+ surface->control_point[i].y = Y(cP[i]);
+ surface->control_point[i].z = Z(cP[i]);
+ }
+ surface->knot_u.resize(8);
+ surface->knot_v.resize(8);
+ surface->knot_v[0] = surface->knot_u[0] = 1;
+ surface->knot_v[1] = surface->knot_u[1] = 1;
+ surface->knot_v[2] = surface->knot_u[2] = 1;
+ surface->knot_v[3] = surface->knot_u[3] = 1;
+ surface->knot_v[4] = surface->knot_u[4] = 2;
+ surface->knot_v[5] = surface->knot_u[5] = 2;
+ surface->knot_v[6] = surface->knot_u[6] = 2;
+ surface->knot_v[7] = surface->knot_u[7] = 2;
+ }
+ else
+ {
+ ADDCOMPFACE
+
+ compface->degree = 3;
+ compface->control_point.resize(16);
+ for(size_t i = 0; i < 16; ++i)
+ {
+ compface->control_point[i].x = X(cP[i]);
+ compface->control_point[i].y = Y(cP[i]);
+ compface->control_point[i].z = Z(cP[i]);
+ }
+ }
+}
+
+template<class V>
+void addSurface(uint32_t dU, uint32_t dV, uint32_t nU, uint32_t nV,
+ const V cP[], const double *kU,
+ const double *kV, const PRCmaterial &m,
+ const double w[])
+{
+ ADDFACE(PRCNURBSSurface)
+
+ surface->is_rational = (w!=NULL);
+ surface->degree_in_u = dU;
+ surface->degree_in_v = dV;
+ surface->control_point.resize(nU*nV);
+ for(size_t i = 0; i < nU*nV; i++)
+ if(w)
+ surface->control_point[i]=PRCControlPoint(X(cP[i])*w[i],Y(cP[i])*w[i],Z(cP[i])*w[i],w[i]);
+ else
+ surface->control_point[i]=PRCControlPoint(X(cP[i]),Y(cP[i]),Z(cP[i]));
+ surface->knot_u.insert(surface->knot_u.end(), kU, kU+(dU+nU+1));
+ surface->knot_v.insert(surface->knot_v.end(), kV, kV+(dV+nV+1));
+}
+template<class V>
+void addTube(uint32_t n, const V cP[], const V oP[], bool straight, const PRCmaterial &m, PRCTRANSFORM)
+{
+ ADDFACE(PRCBlend01)
+ SETTRANSF
+ if(straight)
+ {
+ PRCPolyLine *center_curve = new PRCPolyLine;
+ center_curve->point.resize(n);
+ for(uint32_t i=0; i<n; i++)
+ center_curve->point[i].Set(X(cP[i]),Y(cP[i]),Z(cP[i]));
+ center_curve->interval.min = 0;
+ center_curve->interval.max = center_curve->point.size()-1;
+ surface->center_curve = center_curve;
+
+ PRCPolyLine *origin_curve = new PRCPolyLine;
+ origin_curve->point.resize(n);
+ for(uint32_t i=0; i<n; i++)
+ origin_curve->point[i].Set(X(oP[i]),Y(oP[i]),Z(oP[i]));
+ origin_curve->interval.min = 0;
+ origin_curve->interval.max = origin_curve->point.size()-1;
+ surface->origin_curve = origin_curve;
+
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 2*pi;
+ surface->uv_domain.min.y = 0;
+ surface->uv_domain.max.y = n-1;
+ }
+ else
+ {
+ PRCNURBSCurve *center_curve = new PRCNURBSCurve;
+ center_curve->is_rational = false;
+ center_curve->degree = 3;
+ const uint32_t CENTER_NUMBER_OF_POINTS = n;
+ center_curve->control_point.resize(CENTER_NUMBER_OF_POINTS);
+ for(uint32_t i = 0; i < CENTER_NUMBER_OF_POINTS; ++i)
+ center_curve->control_point[i].Set(X(cP[i]),Y(cP[i]),Z(cP[i]));
+ center_curve->knot.resize(3+CENTER_NUMBER_OF_POINTS+1);
+ center_curve->knot[0] = 1;
+ for(uint32_t i = 1; i < 3+CENTER_NUMBER_OF_POINTS; ++i)
+ center_curve->knot[i] = (i+2)/3; // integer division is intentional
+ center_curve->knot[3+CENTER_NUMBER_OF_POINTS] = (3+CENTER_NUMBER_OF_POINTS+1)/3;
+ surface->center_curve = center_curve;
+
+ PRCNURBSCurve *origin_curve = new PRCNURBSCurve;
+ origin_curve->is_rational = false;
+ origin_curve->degree = 3;
+ const uint32_t ORIGIN_NUMBER_OF_POINTS = n;
+ origin_curve->control_point.resize(ORIGIN_NUMBER_OF_POINTS);
+ for(uint32_t i = 0; i < ORIGIN_NUMBER_OF_POINTS; ++i)
+ origin_curve->control_point[i].Set(X(oP[i]),Y(oP[i]),Z(oP[i]));
+ origin_curve->knot.resize(3+ORIGIN_NUMBER_OF_POINTS+1);
+ origin_curve->knot[0] = 1;
+ for(size_t i = 1; i < 3+ORIGIN_NUMBER_OF_POINTS; ++i)
+ origin_curve->knot[i] = (i+2)/3; // integer division is intentional
+ origin_curve->knot[3+ORIGIN_NUMBER_OF_POINTS] = (3+ORIGIN_NUMBER_OF_POINTS+1)/3;
+ surface->origin_curve = origin_curve;
+
+ surface->uv_domain.min.x = 0;
+ surface->uv_domain.max.x = 2*pi;
+ surface->uv_domain.min.y = 1; // first knot
+ surface->uv_domain.max.y = (3+CENTER_NUMBER_OF_POINTS+1)/3; // last knot
+ }
+}
+ void addHemisphere(double radius, const PRCmaterial& m, PRCTRANSFORM);
+ void addSphere(double radius, const PRCmaterial& m, PRCTRANSFORM);
+ void addDisk(double radius, const PRCmaterial& m, PRCTRANSFORM);
+ void addCylinder(double radius, double height, const PRCmaterial& m, PRCTRANSFORM);
+ void addCone(double radius, double height, const PRCmaterial& m, PRCTRANSFORM);
+ void addTorus(double major_radius, double minor_radius, double angle1, double angle2, const PRCmaterial& m, PRCTRANSFORM);
+#undef PRCTRANSFORM
+#undef PRCCARTRANSFORM
+#undef PRCGENTRANSFORM
+#undef ADDCOMPFACE
+
+ uint32_t addPicture(EPRCPictureDataFormat format, uint32_t size, const uint8_t *picture, uint32_t width=0, uint32_t height=0,
+ std::string name="", uint32_t fileStructure=0)
+ { return fileStructures[fileStructure]->addPicture(format, size, picture, width, height, name); }
+ uint32_t addPicture(const PRCpicture& pic,
+ std::string name="", uint32_t fileStructure=0)
+ { return fileStructures[fileStructure]->addPicture(pic.format, pic.size, pic.data, pic.width, pic.height, name); }
+ uint32_t addTextureDefinition(PRCTextureDefinition*& pTextureDefinition, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addTextureDefinition(pTextureDefinition);
+ }
+ uint32_t addTextureApplication(PRCTextureApplication*& pTextureApplication, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addTextureApplication(pTextureApplication);
+ }
+ uint32_t addRgbColor(const PRCRgbColor &color,
+ uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addRgbColor(color);
+ }
+ uint32_t addRgbColorUnique(const PRCRgbColor &color,
+ uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addRgbColorUnique(color);
+ }
+ uint32_t addMaterialGeneric(PRCMaterialGeneric*& pMaterialGeneric,
+ uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addMaterialGeneric(pMaterialGeneric);
+ }
+ uint32_t addStyle(PRCStyle*& pStyle, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addStyle(pStyle);
+ }
+ uint32_t addPartDefinition(PRCPartDefinition*& pPartDefinition, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addPartDefinition(pPartDefinition);
+ }
+ uint32_t addProductOccurrence(PRCProductOccurrence*& pProductOccurrence, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addProductOccurrence(pProductOccurrence);
+ }
+ uint32_t addTopoContext(PRCTopoContext*& pTopoContext, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addTopoContext(pTopoContext);
+ }
+ uint32_t getTopoContext(PRCTopoContext*& pTopoContext, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->getTopoContext(pTopoContext);
+ }
+ uint32_t add3DTess(PRC3DTess*& p3DTess, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->add3DTess(p3DTess);
+ }
+ uint32_t add3DWireTess(PRC3DWireTess*& p3DWireTess, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->add3DWireTess(p3DWireTess);
+ }
+/*
+ uint32_t addMarkupTess(PRCMarkupTess*& pMarkupTess, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addMarkupTess(pMarkupTess);
+ }
+ uint32_t addMarkup(PRCMarkup*& pMarkup, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addMarkup(pMarkup);
+ }
+ uint32_t addAnnotationItem(PRCAnnotationItem*& pAnnotationItem, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addAnnotationItem(pAnnotationItem);
+ }
+ */
+ uint32_t addCoordinateSystem(PRCCoordinateSystem*& pCoordinateSystem, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addCoordinateSystem(pCoordinateSystem);
+ }
+ uint32_t addCoordinateSystemUnique(PRCCoordinateSystem*& pCoordinateSystem, uint32_t fileStructure=0)
+ {
+ return fileStructures[fileStructure]->addCoordinateSystemUnique(pCoordinateSystem);
+ }
+ private:
+ void serializeModelFileData(PRCbitStream&);
+ std::ofstream *fout;
+ std::ostream &output;
+};
+
+}
+
+#endif // __O_PRC_FILE_H