/* $Id: gl2ps.c 173 2007-05-20 15:51:51Z krischnamurti $ */
/*
* GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2006 Christophe Geuzaine <geuz@geuz.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of either:
*
* a) the GNU Library General Public License as published by the Free
* Software Foundation, either version 2 of the License, or (at your
* option) any later version; or
*
* b) the GL2PS License as published by Christophe Geuzaine, either
* version 2 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 either
* the GNU Library General Public License or the GL2PS License for
* more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library in the file named "COPYING.LGPL";
* if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
* Cambridge, MA 02139, USA.
*
* You should have received a copy of the GL2PS License with this
* library in the file named "COPYING.GL2PS"; if not, I will be glad
* to provide one.
*
* Contributors:
* Michael Sweet <mike@easysw.com>
* Marc Ume <marc.ume@digitalgraphics.be>
* Jean-Francois Remacle <remacle@gce.ucl.ac.be>
* Bart Kaptein <B.L.Kaptein@lumc.nl>
* Quy Nguyen-Dai <quy@nguyendai.org>
* Sam Buss <sbuss@ucsd.edu>
* Shane Hill <Shane.Hill@dsto.defence.gov.au>
* Romain Boman <r_boman@yahoo.fr>
* Rouben Rostamian <rostamian@umbc.edu>
* Diego Santa Cruz <Diego.SantaCruz@epfl.ch>
* Shahzad Muzaffar <Shahzad.Muzaffar@cern.ch>
* Lassi Tuura <lassi.tuura@cern.ch>
* Guy Barrand <barrand@lal.in2p3.fr>
* Prabhu Ramachandran <prabhu@aero.iitm.ernet.in>
* Micha Bieber <bieber@traits.de>
* Olivier Couet <couet@mail.cern.ch>
* Shai Ayal <shaiay@gmail.com>
* Fabian Wenzel <wenzel@tu-harburg.de>
* Ian D. Gay <gay@sfu.ca>
* Cosmin Truta <cosmin@cs.toronto.edu>
* Baiju Devani <b.devani@gmail.com>
* Alexander Danilov <danilov@lanl.gov>
*
* For the latest info about gl2ps, see http://www.geuz.org/gl2ps/.
* Please report all bugs and problems to <gl2ps@geuz.org>.
*/
#include "gl2ps.h"
#include <math.h>
#include <string.h>
#include <sys/types.h>
#include <stdarg.h>
#include <time.h>
#include <float.h>
#if defined(GL2PS_HAVE_ZLIB)
#include <zlib.h>
#endif
#if defined(GL2PS_HAVE_LIBPNG)
#include <png.h>
#endif
/*********************************************************************
*
* Private definitions, data structures and prototypes
*
*********************************************************************/
/* Magic numbers (assuming that the order of magnitude of window
coordinates is 10^3) */
#define GL2PS_EPSILON 5.0e-3F
#define GL2PS_ZSCALE 1000.0F
#define GL2PS_ZOFFSET 5.0e-2F
#define GL2PS_ZOFFSET_LARGE 20.0F
#define GL2PS_ZERO(arg) (fabs(arg) < 1.e-20)
/* Primitive types */
#define GL2PS_NO_TYPE -1
#define GL2PS_TEXT 1
#define GL2PS_POINT 2
#define GL2PS_LINE 3
#define GL2PS_QUADRANGLE 4
#define GL2PS_TRIANGLE 5
#define GL2PS_PIXMAP 6
#define GL2PS_IMAGEMAP 7
#define GL2PS_IMAGEMAP_WRITTEN 8
#define GL2PS_IMAGEMAP_VISIBLE 9
#define GL2PS_SPECIAL 10
/* BSP tree primitive comparison */
#define GL2PS_COINCIDENT 1
#define GL2PS_IN_FRONT_OF 2
#define GL2PS_IN_BACK_OF 3
#define GL2PS_SPANNING 4
/* 2D BSP tree primitive comparison */
#define GL2PS_POINT_COINCIDENT 0
#define GL2PS_POINT_INFRONT 1
#define GL2PS_POINT_BACK 2
/* Internal feedback buffer pass-through tokens */
#define GL2PS_BEGIN_OFFSET_TOKEN 1
#define GL2PS_END_OFFSET_TOKEN 2
#define GL2PS_BEGIN_BOUNDARY_TOKEN 3
#define GL2PS_END_BOUNDARY_TOKEN 4
#define GL2PS_BEGIN_STIPPLE_TOKEN 5
#define GL2PS_END_STIPPLE_TOKEN 6
#define GL2PS_POINT_SIZE_TOKEN 7
#define GL2PS_LINE_WIDTH_TOKEN 8
#define GL2PS_BEGIN_BLEND_TOKEN 9
#define GL2PS_END_BLEND_TOKEN 10
#define GL2PS_SRC_BLEND_TOKEN 11
#define GL2PS_DST_BLEND_TOKEN 12
#define GL2PS_IMAGEMAP_TOKEN 13
#define GL2PS_DRAW_PIXELS_TOKEN 14
#define GL2PS_TEXT_TOKEN 15
typedef enum {
T_UNDEFINED = -1,
T_CONST_COLOR = 1,
T_VAR_COLOR = 1<<1,
T_ALPHA_1 = 1<<2,
T_ALPHA_LESS_1 = 1<<3,
T_VAR_ALPHA = 1<<4
} GL2PS_TRIANGLE_PROPERTY;
typedef GLfloat GL2PSxyz[3];
typedef GLfloat GL2PSplane[4];
typedef struct _GL2PSbsptree2d GL2PSbsptree2d;
struct _GL2PSbsptree2d {
GL2PSplane plane;
GL2PSbsptree2d *front, *back;
};
typedef struct {
GLint nmax, size, incr, n;
char *array;
} GL2PSlist;
typedef struct _GL2PSbsptree GL2PSbsptree;
struct _GL2PSbsptree {
GL2PSplane plane;
GL2PSlist *primitives;
GL2PSbsptree *front, *back;
};
typedef struct {
GL2PSxyz xyz;
GL2PSrgba rgba;
} GL2PSvertex;
typedef struct {
GL2PSvertex vertex[3];
int prop;
} GL2PStriangle;
typedef struct {
GLshort fontsize;
char *str, *fontname;
/* Note: for a 'special' string, 'alignment' holds the format
(PostScript, PDF, etc.) of the special string */
GLint alignment;
GLfloat angle;
} GL2PSstring;
typedef struct {
GLsizei width, height;
/* Note: for an imagemap, 'type' indicates if it has already been
written to the file or not, and 'format' indicates if it is
visible or not */
GLenum format, type;
GLfloat *pixels;
} GL2PSimage;
typedef struct _GL2PSimagemap GL2PSimagemap;
struct _GL2PSimagemap {
GL2PSimage *image;
GL2PSimagemap *next;
};
typedef struct {
GLshort type, numverts;
GLushort pattern;
char boundary, offset, culled;
GLint factor;
GLfloat width;
GL2PSvertex *verts;
union {
GL2PSstring *text;
GL2PSimage *image;
} data;
} GL2PSprimitive;
typedef struct {
#if defined(GL2PS_HAVE_ZLIB)
Bytef *dest, *src, *start;
uLongf destLen, srcLen;
#else
int dummy;
#endif
} GL2PScompress;
typedef struct{
GL2PSlist* ptrlist;
int gsno, fontno, imno, shno, maskshno, trgroupno;
int gsobjno, fontobjno, imobjno, shobjno, maskshobjno, trgroupobjno;
} GL2PSpdfgroup;
typedef struct {
/* General */
GLint format, sort, options, colorsize, colormode, buffersize;
char *title, *producer, *filename;
GLboolean boundary, blending;
GLfloat *feedback, offset[2], lastlinewidth;
GLint viewport[4], blendfunc[2], lastfactor;
GL2PSrgba *colormap, lastrgba, threshold, bgcolor;
GLushort lastpattern;
GL2PSvertex lastvertex;
GL2PSlist *primitives, *auxprimitives;
FILE *stream;
GL2PScompress *compress;
GLboolean header;
/* BSP-specific */
GLint maxbestroot;
/* Occlusion culling-specific */
GLboolean zerosurfacearea;
GL2PSbsptree2d *imagetree;
GL2PSprimitive *primitivetoadd;
/* PDF-specific */
int streamlength;
GL2PSlist *pdfprimlist, *pdfgrouplist;
int *xreflist;
int objects_stack; /* available objects */
int extgs_stack; /* graphics state object number */
int font_stack; /* font object number */
int im_stack; /* image object number */
int trgroupobjects_stack; /* xobject numbers */
int shader_stack; /* shader object numbers */
int mshader_stack; /* mask shader object numbers */
/* for image map list */
GL2PSimagemap *imagemap_head;
GL2PSimagemap *imagemap_tail;
} GL2PScontext;
typedef struct {
void (*printHeader)(void);
void (*printFooter)(void);
void (*beginViewport)(GLint viewport[4]);
GLint (*endViewport)(void);
void (*printPrimitive)(void *data);
void (*printFinalPrimitive)(void);
const char *file_extensio
Qt5.2.0环境下编译通过qwtplot3d-0.2.7 （325个子文件） 
libqwtplot3d.a 1.5MB libqwtplot3d.a 1.5MB dsp.bat 216B dsp.bat 216B dsp.bat 54B dsp.bat 54B gl2ps.c 183KB gl2ps.c 183KB COPYING 962B COPYING 962B mesh2mainwindow.cpp 26KB mesh2mainwindow.cpp 26KB qwt3d_gridplot.cpp 16KB qwt3d_gridplot.cpp 16KB qwt3d_coordsys.cpp 16KB qwt3d_coordsys.cpp 16KB qwt3d_plot.cpp 12KB qwt3d_plot.cpp 12KB qwt3d_mousekeyboard.cpp 11KB qwt3d_mousekeyboard.cpp 11KB qwt3d_io_gl2ps.cpp 9KB qwt3d_io_gl2ps.cpp 9KB qwt3d_axis.cpp 8KB qwt3d_axis.cpp 8KB qwt3d_enrichment_std.cpp 8KB qwt3d_enrichment_std.cpp 8KB qwt3d_io.cpp 8KB qwt3d_io.cpp 8KB qwt3d_meshplot.cpp 8KB qwt3d_meshplot.cpp 8KB axesmainwindow.cpp 7KB axesmainwindow.cpp 7KB qwt3d_scale.cpp 7KB qwt3d_scale.cpp 7KB qwt3d_autoscaler.cpp 6KB qwt3d_autoscaler.cpp 6KB qwt3d_label.cpp 5KB qwt3d_label.cpp 5KB designerworkaround.cpp 5KB designerworkaround.cpp 5KB qwt3d_colorlegend.cpp 5KB qwt3d_colorlegend.cpp 5KB enrichments.cpp 5KB enrichments.cpp 5KB qwt3d_io_reader.cpp 4KB qwt3d_io_reader.cpp 4KB qwt3d_types.cpp 4KB qwt3d_types.cpp 4KB lightingdlg.cpp 4KB lightingdlg.cpp 4KB qwt3d_lighting.cpp 4KB qwt3d_lighting.cpp 4KB qwt3d_surfaceplot.cpp 4KB qwt3d_surfaceplot.cpp 4KB qwt3d_drawable.cpp 3KB qwt3d_drawable.cpp 3KB enrichmentmainwindow.cpp 3KB enrichmentmainwindow.cpp 3KB autoswitch.cpp 3KB autoswitch.cpp 3KB qwt3d_movements.cpp 3KB qwt3d_movements.cpp 3KB qwt3d_parametricsurface.cpp 2KB qwt3d_parametricsurface.cpp 2KB qwt3d_function.cpp 2KB qwt3d_function.cpp 2KB simpleplot.cpp 2KB simpleplot.cpp 2KB colormapreader.cpp 2KB colormapreader.cpp 2KB qwt3d_color.cpp 1KB qwt3d_color.cpp 1KB mesh.cpp 1KB mesh.cpp 1KB main.cpp 736B main.cpp 736B main.cpp 653B main.cpp 653B qwt3d_gridmapping.cpp 647B qwt3d_gridmapping.cpp 647B main.cpp 643B main.cpp 643B lightingdlgbaseimpl.cpp 615B lightingdlgbaseimpl.cpp 615B qwt3d_dataviews.cpp 200B qwt3d_dataviews.cpp 200B doxygen.css 5KB doxygen.css 5KB menu.css 428B menu.css 428B Qt5Widgetsd.dll 132.04MB Qt5Guid.dll 125.27MB Qt5Cored.dll 72.37MB icudt51.dll 21.34MB Qt5OpenGLd.dll 11.27MB qwtplot3d.dll 5.67MB qwtplot3d.dll 5.67MB qwtplot3d.dll 5.67MB icuin51.dll 3.21MB icuuc51.dll 1.89MB共 325 条
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