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+/******************************************************************************
+** libDXFrw - Library to read/write DXF files (ascii & binary) **
+** **
+** Copyright (C) 2011 Rallaz, rallazz@gmail.com **
+** **
+** This library is free software, licensed under the terms of the GNU **
+** General Public License as published by the Free Software Foundation, **
+** either version 2 of the License, or (at your option) any later version. **
+** You should have received a copy of the GNU General Public License **
+** along with this program. If not, see <http://www.gnu.org/licenses/>. **
+******************************************************************************/
+
+#ifndef DRW_BASE_H
+#define DRW_BASE_H
+
+#define DRW_VERSION "0.5.13"
+
+#include <string>
+#include <cmath>
+
+#define UTF8STRING std::string
+#define DRW_UNUSED( x ) (void) x
+
+#if defined(WIN64) || defined(_WIN64) || defined(__WIN64__)
+# define DRW_WIN
+#elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
+# define DRW_WIN
+#elif defined(__MWERKS__) && defined(__INTEL__)
+# define DRW_WIN
+#else
+# define DRW_POSIX
+#endif
+
+#ifndef M_PI
+ #define M_PI 3.141592653589793238462643
+#endif
+#ifndef M_PI_2
+ #define M_PI_2 1.57079632679489661923
+#endif
+#define M_PIx2 6.283185307179586 // 2*PI
+#define ARAD 57.29577951308232
+
+namespace DRW {
+// ! Version numbers for the DXF Format.
+enum Version
+{
+ UNKNOWNV, /*!< UNKNOWN VERSION. */
+ AC1006, /*!< R10. */
+ AC1009, /*!< R11 & R12. */
+ AC1012, /*!< R13. */
+ AC1014, /*!< R14. */
+ AC1015, /*!< ACAD 2000. */
+ AC1018, /*!< ACAD 2004. */
+ AC1021, /*!< ACAD 2007. */
+ AC1024 /*!< ACAD 2010. */
+};
+
+enum error
+{
+ BAD_NONE, /*!< No error. */
+ BAD_UNKNOWN, /*!< UNKNOWN. */
+ BAD_OPEN, /*!< error opening file. */
+ BAD_VERSION, /*!< unsupported version. */
+ BAD_READ_FILE_HEADER, /*!< error in file header read process. */
+ BAD_READ_HEADER, /*!< error in header vars read process. */
+ BAD_READ_OFFSETS, /*!< error in object map read process. */
+ BAD_READ_CLASSES, /*!< error in classes read process. */
+ BAD_READ_TABLES, /*!< error in tables read process. */
+ BAD_READ_ENTITIES /*!< error in entities read process. */
+};
+}
+
+// ! Class to handle 3D coordinate point
+/*!
+ * Class to handle 3D coordinate point
+ * @author Rallaz
+ */
+class DRW_Coord
+{
+public:
+ DRW_Coord(): x(0), y(0), z(0) {}
+ DRW_Coord( double ix, double iy, double iz )
+ {
+ x = ix; y = iy; z = iz;
+ }
+
+ DRW_Coord operator =( const DRW_Coord& data )
+ {
+ x = data.x; y = data.y; z = data.z;
+ return *this;
+ }
+
+/*!< convert to unitary vector */
+ void unitize()
+ {
+ double dist;
+
+ dist = sqrt( x * x + y * y + z * z );
+
+ if( dist > 0.0 )
+ {
+ x = x / dist;
+ y = y / dist;
+ z = z / dist;
+ }
+ }
+
+public:
+ double x;
+ double y;
+ double z;
+};
+
+
+// ! Class to handle vertex
+/*!
+ * Class to handle vertex for lwpolyline entity
+ * @author Rallaz
+ */
+class DRW_Vertex2D
+{
+public:
+ DRW_Vertex2D()
+ {
+// eType = DRW::LWPOLYLINE;
+ x = y = stawidth = endwidth = bulge = 0.0;
+ }
+
+ DRW_Vertex2D( double sx, double sy, double b )
+ {
+ stawidth = endwidth = 0;
+ x = sx;
+ y = sy;
+ bulge = b;
+ }
+
+public:
+ double x; /*!< x coordinate, code 10 */
+ double y; /*!< y coordinate, code 20 */
+ double stawidth; /*!< Start width, code 40 */
+ double endwidth; /*!< End width, code 41 */
+ double bulge; /*!< bulge, code 42 */
+};
+
+
+// ! Class to handle header vars
+/*!
+ * Class to handle header vars
+ * @author Rallaz
+ */
+class DRW_Variant
+{
+public:
+ enum TYPE
+ {
+ STRING,
+ INTEGER,
+ DOUBLE,
+ COORD,
+ INVALID
+ };
+
+ DRW_Variant()
+ {
+ type = INVALID;
+ code = 0;
+ }
+
+ DRW_Variant( const DRW_Variant& d )
+ {
+ code = d.code;
+ type = d.type;
+
+ if( d.type == COORD ) vdata = d.vdata;
+
+ if( d.type == STRING ) sdata = d.sdata;
+
+ content = d.content;
+ }
+
+ DRW_Variant( int c, UTF8STRING s ) { addString( s ); code = c; }
+ DRW_Variant( int c, int i ) { addInt( i ); code = c; }
+ DRW_Variant( int c, double d ) { addDouble( d ); code = c; }
+ DRW_Variant( int c, double x, double y, double z )
+ {
+ setType( COORD ); vdata.x = x; vdata.y = y;
+ vdata.z = z; content.v = &vdata; code = c;
+ }
+
+ ~DRW_Variant()
+ {
+ }
+
+ void addString( UTF8STRING s ) { setType( STRING ); sdata = s; content.s = &sdata; }
+ void addInt( int i ) { setType( INTEGER ); content.i = i; }
+ void addDouble( double d ) { setType( DOUBLE ); content.d = d; }
+ void addCoord()
+ {
+ setType( COORD ); vdata.x = 0.0; vdata.y = 0.0; vdata.z = 0.0; content.v =
+ &vdata;
+ }
+
+ void addCoord( DRW_Coord v ) { setType( COORD ); vdata = v; content.v = &vdata; }
+ void setType( enum TYPE t ) { type = t; }
+ void setCoordX( double d ) { if( type == COORD ) vdata.x = d; }
+ void setCoordY( double d ) { if( type == COORD ) vdata.y = d; }
+ void setCoordZ( double d ) { if( type == COORD ) vdata.z = d; }
+
+private:
+ typedef union
+ {
+ UTF8STRING* s;
+ int i;
+ double d;
+ DRW_Coord* v;
+ } DRW_VarContent;
+
+public:
+ DRW_VarContent content;
+ enum TYPE type;
+ int code; /*!< dxf code of this value*/
+
+private:
+ std::string sdata;
+ DRW_Coord vdata;
+};
+
+
+// ! Class to convert between line width and integer
+/*!
+ * Class to convert between line width and integer
+ * verifing valid values, if value is not valid
+ * returns widthDefault.
+ * @author Rallaz
+ */
+class DRW_LW_Conv
+{
+public:
+ enum lineWidth
+ {
+ width00 = 0, /*!< 0.00mm (dxf 0)*/
+ width01 = 1, /*!< 0.05mm (dxf 5)*/
+ width02 = 2, /*!< 0.09mm (dxf 9)*/
+ width03 = 3, /*!< 0.13mm (dxf 13)*/
+ width04 = 4, /*!< 0.15mm (dxf 15)*/
+ width05 = 5, /*!< 0.18mm (dxf 18)*/
+ width06 = 6, /*!< 0.20mm (dxf 20)*/
+ width07 = 7, /*!< 0.25mm (dxf 25)*/
+ width08 = 8, /*!< 0.30mm (dxf 30)*/
+ width09 = 9, /*!< 0.35mm (dxf 35)*/
+ width10 = 10, /*!< 0.40mm (dxf 40)*/
+ width11 = 11, /*!< 0.50mm (dxf 50)*/
+ width12 = 12, /*!< 0.53mm (dxf 53)*/
+ width13 = 13, /*!< 0.60mm (dxf 60)*/
+ width14 = 14, /*!< 0.70mm (dxf 70)*/
+ width15 = 15, /*!< 0.80mm (dxf 80)*/
+ width16 = 16, /*!< 0.90mm (dxf 90)*/
+ width17 = 17, /*!< 1.00mm (dxf 100)*/
+ width18 = 18, /*!< 1.06mm (dxf 106)*/
+ width19 = 19, /*!< 1.20mm (dxf 120)*/
+ width20 = 20, /*!< 1.40mm (dxf 140)*/
+ width21 = 21, /*!< 1.58mm (dxf 158)*/
+ width22 = 22, /*!< 2.00mm (dxf 200)*/
+ width23 = 23, /*!< 2.11mm (dxf 211)*/
+ widthByLayer = 29, /*!< by layer (dxf -1) */
+ widthByBlock = 30, /*!< by block (dxf -2) */
+ widthDefault = 31 /*!< by default (dxf -3) */
+ };
+
+ static int lineWidth2dxfInt( enum lineWidth lw )
+ {
+ switch( lw )
+ {
+ case widthByLayer:
+ return -1;
+
+ case widthByBlock:
+ return -2;
+
+ case widthDefault:
+ return -3;
+
+ case width00:
+ return 0;
+
+ case width01:
+ return 5;
+
+ case width02:
+ return 9;
+
+ case width03:
+ return 13;
+
+ case width04:
+ return 15;
+
+ case width05:
+ return 18;
+
+ case width06:
+ return 20;
+
+ case width07:
+ return 25;
+
+ case width08:
+ return 30;
+
+ case width09:
+ return 35;
+
+ case width10:
+ return 40;
+
+ case width11:
+ return 50;
+
+ case width12:
+ return 53;
+
+ case width13:
+ return 60;
+
+ case width14:
+ return 70;
+
+ case width15:
+ return 80;
+
+ case width16:
+ return 90;
+
+ case width17:
+ return 100;
+
+ case width18:
+ return 106;
+
+ case width19:
+ return 120;
+
+ case width20:
+ return 140;
+
+ case width21:
+ return 158;
+
+ case width22:
+ return 200;
+
+ case width23:
+ return 211;
+
+ default:
+ return -3;
+ }
+
+ return static_cast<int> (lw);
+ }
+
+ 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
generated by cgit (git 2.34.1) at 2024-12-19 10:11:28 +0000