463 lines
13 KiB
C
463 lines
13 KiB
C
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/******************************************************************************
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** libDXFrw - Library to read/write DXF files (ascii & binary) **
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** **
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** Copyright (C) 2011-2015 José F. Soriano, rallazz@gmail.com **
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** **
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** This library is free software, licensed under the terms of the GNU **
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** General Public License as published by the Free Software Foundation, **
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** either version 2 of the License, or (at your option) any later version. **
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** You should have received a copy of the GNU General Public License **
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** along with this program. If not, see <http://www.gnu.org/licenses/>. **
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******************************************************************************/
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#ifndef DRW_BASE_H
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#define DRW_BASE_H
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#define DRW_VERSION "0.6.3"
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#include <string>
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#include <list>
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#include <cmath>
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#ifdef DRW_ASSERTS
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# define drw_assert(a) assert(a)
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#else
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# define drw_assert(a)
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#endif
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#define UTF8STRING std::string
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#define DRW_UNUSED(x) (void)x
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#if defined(WIN64) || defined(_WIN64) || defined(__WIN64__)
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# define DRW_WIN
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#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
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# define DRW_WIN
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#elif defined(__MWERKS__) && defined(__INTEL__)
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# define DRW_WIN
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#else
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# define DRW_POSIX
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#endif
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#ifndef M_PI
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#define M_PI 3.141592653589793238462643
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#endif
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#ifndef M_PI_2
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#define M_PI_2 1.57079632679489661923
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#endif
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#define M_PIx2 6.283185307179586 // 2*PI
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#define ARAD 57.29577951308232
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typedef signed char dint8; /* 8 bit signed */
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typedef signed short dint16; /* 16 bit signed */
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typedef signed int dint32; /* 32 bit signed */
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typedef long long int dint64; /* 64 bit signed */
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typedef unsigned char duint8; /* 8 bit unsigned */
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typedef unsigned short duint16; /* 16 bit unsigned */
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typedef unsigned int duint32; /* 32 bit unsigned */
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typedef unsigned long long int duint64; /* 64 bit unsigned */
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typedef float dfloat32; /* 32 bit floating point */
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typedef double ddouble64; /* 64 bit floating point */
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typedef long double ddouble80; /* 80 bit floating point */
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namespace DRW {
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//! Version numbers for the DXF Format.
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enum Version {
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UNKNOWNV, /*!< UNKNOWN VERSION. */
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AC1006, /*!< R10. */
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AC1009, /*!< R11 & R12. */
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AC1012, /*!< R13. */
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AC1014, /*!< R14. */
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AC1015, /*!< ACAD 2000. */
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AC1018, /*!< ACAD 2004. */
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AC1021, /*!< ACAD 2007. */
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AC1024, /*!< ACAD 2010. */
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AC1027 /*!< ACAD 2013. */
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};
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enum error {
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BAD_NONE, /*!< No error. */
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BAD_UNKNOWN, /*!< UNKNOWN. */
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BAD_OPEN, /*!< error opening file. */
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BAD_VERSION, /*!< unsupported version. */
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BAD_READ_METADATA, /*!< error reading matadata. */
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BAD_READ_FILE_HEADER, /*!< error in file header read process. */
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BAD_READ_HEADER, /*!< error in header vars read process. */
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BAD_READ_HANDLES, /*!< error in object map read process. */
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BAD_READ_CLASSES, /*!< error in classes read process. */
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BAD_READ_TABLES, /*!< error in tables read process. */
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BAD_READ_BLOCKS, /*!< error in block read process. */
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BAD_READ_ENTITIES, /*!< error in entities read process. */
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BAD_READ_OBJECTS /*!< error in objects read process. */
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};
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enum DBG_LEVEL {
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NONE,
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DEBUG
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};
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//! Special codes for colors
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enum ColorCodes {
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ColorByLayer = 256,
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ColorByBlock = 0
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};
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//! Spaces
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enum Space {
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ModelSpace = 0,
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PaperSpace = 1
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};
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//! Special kinds of handles
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enum HandleCodes {
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NoHandle = 0
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};
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//! Shadow mode
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enum ShadowMode {
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CastAndReceieveShadows = 0,
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CastShadows = 1,
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ReceiveShadows = 2,
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IgnoreShadows = 3
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};
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//! Special kinds of materials
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enum MaterialCodes {
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MaterialByLayer = 0
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};
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//! Special kinds of plot styles
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enum PlotStyleCodes {
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DefaultPlotStyle = 0
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};
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//! Special kinds of transparencies
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enum TransparencyCodes {
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Opaque = 0,
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Transparent = -1
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};
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} // namespace DRW
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//! Class to handle 3D coordinate point
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/*!
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* Class to handle 3D coordinate point
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* @author Rallaz
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*/
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class DRW_Coord {
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public:
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DRW_Coord():x(0), y(0),z(0) {}
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DRW_Coord(double ix, double iy, double iz): x(ix), y(iy),z(iz){}
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DRW_Coord& operator = (const DRW_Coord& data) {
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x = data.x; y = data.y; z = data.z;
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return *this;
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}
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/*!< convert to unitary vector */
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void unitize(){
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double dist;
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dist = sqrt(x*x + y*y + z*z);
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if (dist > 0.0) {
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x= x/dist;
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y= y/dist;
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z= z/dist;
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}
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}
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public:
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double x;
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double y;
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double z;
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};
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//! Class to handle vertex
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/*!
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* Class to handle vertex for lwpolyline entity
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* @author Rallaz
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*/
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class DRW_Vertex2D {
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public:
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DRW_Vertex2D(): x(0), y(0), stawidth(0), endwidth(0), bulge(0){}
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DRW_Vertex2D(double sx, double sy, double b): x(sx), y(sy), stawidth(0), endwidth(0), bulge(b) {}
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public:
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double x; /*!< x coordinate, code 10 */
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double y; /*!< y coordinate, code 20 */
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double stawidth; /*!< Start width, code 40 */
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double endwidth; /*!< End width, code 41 */
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double bulge; /*!< bulge, code 42 */
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};
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//! Class to handle header vars
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/*!
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* Class to handle header vars
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* @author Rallaz
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*/
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class DRW_Variant {
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public:
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enum TYPE {
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STRING,
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INTEGER,
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DOUBLE,
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COORD,
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INVALID
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};
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//TODO: add INT64 support
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DRW_Variant(): sdata(std::string()), vdata(), content(0), vType(INVALID), vCode(0) {}
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DRW_Variant(int c, dint32 i): sdata(std::string()), vdata(), content(i), vType(INTEGER), vCode(c){}
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DRW_Variant(int c, duint32 i): sdata(std::string()), vdata(), content(static_cast<dint32>(i)), vType(INTEGER), vCode(c) {}
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DRW_Variant(int c, double d): sdata(std::string()), vdata(), content(d), vType(DOUBLE), vCode(c) {}
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DRW_Variant(int c, UTF8STRING s): sdata(s), vdata(), content(&sdata), vType(STRING), vCode(c) {}
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DRW_Variant(int c, DRW_Coord crd): sdata(std::string()), vdata(crd), content(&vdata), vType(COORD), vCode(c) {}
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DRW_Variant(const DRW_Variant& d): sdata(d.sdata), vdata(d.vdata), content(d.content), vType(d.vType), vCode(d.vCode) {
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if (d.vType == COORD)
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content.v = &vdata;
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if (d.vType == STRING)
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content.s = &sdata;
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}
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~DRW_Variant() {
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}
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void addString(int c, UTF8STRING s) {vType = STRING; sdata = s; content.s = &sdata; vCode=c;}
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void addInt(int c, int i) {vType = INTEGER; content.i = i; vCode=c;}
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void addDouble(int c, double d) {vType = DOUBLE; content.d = d; vCode=c;}
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void addCoord(int c, DRW_Coord v) {vType = COORD; vdata = v; content.v = &vdata; vCode=c;}
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void setCoordX(double d) { if (vType == COORD) vdata.x = d;}
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void setCoordY(double d) { if (vType == COORD) vdata.y = d;}
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void setCoordZ(double d) { if (vType == COORD) vdata.z = d;}
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enum TYPE type() { return vType;}
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int code() { return vCode;} /*!< returns dxf code of this value*/
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private:
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std::string sdata;
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DRW_Coord vdata;
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private:
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union DRW_VarContent{
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UTF8STRING *s;
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dint32 i;
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double d;
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DRW_Coord *v;
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DRW_VarContent(UTF8STRING *sd):s(sd){}
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DRW_VarContent(dint32 id):i(id){}
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DRW_VarContent(double dd):d(dd){}
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DRW_VarContent(DRW_Coord *vd):v(vd){}
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};
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public:
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DRW_VarContent content;
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private:
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enum TYPE vType;
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int vCode; /*!< dxf code of this value*/
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};
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//! Class to handle dwg handles
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/*!
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* Class to handle dwg handles
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* @author Rallaz
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*/
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class dwgHandle{
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public:
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dwgHandle(): code(0), size(0), ref(0){}
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~dwgHandle(){}
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duint8 code;
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duint8 size;
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duint32 ref;
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};
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//! Class to convert between line width and integer
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/*!
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* Class to convert between line width and integer
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* verifing valid values, if value is not valid
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* returns widthDefault.
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* @author Rallaz
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*/
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class DRW_LW_Conv{
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public:
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enum lineWidth {
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width00 = 0, /*!< 0.00mm (dxf 0)*/
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width01 = 1, /*!< 0.05mm (dxf 5)*/
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width02 = 2, /*!< 0.09mm (dxf 9)*/
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width03 = 3, /*!< 0.13mm (dxf 13)*/
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width04 = 4, /*!< 0.15mm (dxf 15)*/
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width05 = 5, /*!< 0.18mm (dxf 18)*/
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width06 = 6, /*!< 0.20mm (dxf 20)*/
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width07 = 7, /*!< 0.25mm (dxf 25)*/
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width08 = 8, /*!< 0.30mm (dxf 30)*/
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width09 = 9, /*!< 0.35mm (dxf 35)*/
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width10 = 10, /*!< 0.40mm (dxf 40)*/
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width11 = 11, /*!< 0.50mm (dxf 50)*/
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width12 = 12, /*!< 0.53mm (dxf 53)*/
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width13 = 13, /*!< 0.60mm (dxf 60)*/
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width14 = 14, /*!< 0.70mm (dxf 70)*/
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width15 = 15, /*!< 0.80mm (dxf 80)*/
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width16 = 16, /*!< 0.90mm (dxf 90)*/
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width17 = 17, /*!< 1.00mm (dxf 100)*/
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width18 = 18, /*!< 1.06mm (dxf 106)*/
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width19 = 19, /*!< 1.20mm (dxf 120)*/
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width20 = 20, /*!< 1.40mm (dxf 140)*/
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width21 = 21, /*!< 1.58mm (dxf 158)*/
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width22 = 22, /*!< 2.00mm (dxf 200)*/
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width23 = 23, /*!< 2.11mm (dxf 211)*/
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widthByLayer = 29, /*!< by layer (dxf -1) */
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widthByBlock = 30, /*!< by block (dxf -2) */
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widthDefault = 31 /*!< by default (dxf -3) */
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};
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static int lineWidth2dxfInt(enum lineWidth lw){
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switch (lw){
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case widthByLayer:
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return -1;
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case widthByBlock:
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return -2;
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case widthDefault:
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return -3;
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case width00:
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return 0;
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case width01:
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return 5;
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case width02:
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return 9;
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case width03:
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return 13;
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case width04:
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return 15;
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case width05:
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return 18;
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case width06:
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return 20;
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case width07:
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return 25;
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case width08:
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return 30;
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case width09:
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return 35;
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case width10:
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return 40;
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case width11:
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return 50;
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case width12:
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return 53;
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case width13:
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return 60;
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case width14:
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return 70;
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case width15:
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return 80;
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case width16:
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return 90;
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case width17:
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return 100;
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case width18:
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return 106;
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case width19:
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return 120;
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case width20:
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return 140;
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case width21:
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return 158;
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case width22:
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return 200;
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case width23:
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return 211;
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default:
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break;
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}
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return -3;
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}
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static int lineWidth2dwgInt(enum lineWidth lw){
|
||
|
|
return static_cast<int> (lw);
|
||
|
|
}
|
||
|
|
|
||
|
|
static enum lineWidth dxfInt2lineWidth(int i){
|
||
|
|
if (i<0) {
|
||
|
|
if (i==-1)
|
||
|
|
return widthByLayer;
|
||
|
|
else if (i==-2)
|
||
|
|
return widthByBlock;
|
||
|
|
else if (i==-3)
|
||
|
|
return widthDefault;
|
||
|
|
} else if (i<3) {
|
||
|
|
return width00;
|
||
|
|
} else if (i<7) {
|
||
|
|
return width01;
|
||
|
|
} else if (i<11) {
|
||
|
|
return width02;
|
||
|
|
} else if (i<14) {
|
||
|
|
return width03;
|
||
|
|
} else if (i<16) {
|
||
|
|
return width04;
|
||
|
|
} else if (i<19) {
|
||
|
|
return width05;
|
||
|
|
} else if (i<22) {
|
||
|
|
return width06;
|
||
|
|
} else if (i<27) {
|
||
|
|
return width07;
|
||
|
|
} else if (i<32) {
|
||
|
|
return width08;
|
||
|
|
} else if (i<37) {
|
||
|
|
return width09;
|
||
|
|
} else if (i<45) {
|
||
|
|
return width10;
|
||
|
|
} else if (i<52) {
|
||
|
|
return width11;
|
||
|
|
} else if (i<57) {
|
||
|
|
return width12;
|
||
|
|
} else if (i<65) {
|
||
|
|
return width13;
|
||
|
|
} else if (i<75) {
|
||
|
|
return width14;
|
||
|
|
} else if (i<85) {
|
||
|
|
return width15;
|
||
|
|
} else if (i<95) {
|
||
|
|
return width16;
|
||
|
|
} else if (i<103) {
|
||
|
|
return width17;
|
||
|
|
} else if (i<112) {
|
||
|
|
return width18;
|
||
|
|
} else if (i<130) {
|
||
|
|
return width19;
|
||
|
|
} else if (i<149) {
|
||
|
|
return width20;
|
||
|
|
} else if (i<180) {
|
||
|
|
return width21;
|
||
|
|
} else if (i<205) {
|
||
|
|
return width22;
|
||
|
|
} else {
|
||
|
|
return width23;
|
||
|
|
}
|
||
|
|
//default by default
|
||
|
|
return widthDefault;
|
||
|
|
}
|
||
|
|
|
||
|
|
static enum lineWidth dwgInt2lineWidth(int i){
|
||
|
|
if ( (i>-1 && i<24) || (i>28 && i<32) ) {
|
||
|
|
return static_cast<lineWidth> (i);
|
||
|
|
}
|
||
|
|
//default by default
|
||
|
|
return widthDefault;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// EOF
|
||
|
|
|