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kicad/lib_dxf/drw_base.h

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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
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