source: trunk/source/visualization/OpenInventor/src/gl2ps.h@ 850

Last change on this file since 850 was 529, checked in by garnier, 18 years ago

r658@mac-90108: laurentgarnier | 2007-06-25 12:02:16 +0200
import de visualisation
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1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26/*
27 * GL2PS, an OpenGL to PostScript Printing Library
28 * Copyright (C) 1999-2003 Christophe Geuzaine
29 *
30 * $Id: gl2ps.h,v 1.5 2006/06/29 21:23:11 gunter Exp $
31 *
32 * E-mail: geuz@geuz.org
33 * URL: http://www.geuz.org/gl2ps/
34 *
35 * This library is free software; you can redistribute it and/or
36 * modify it under the terms of the GNU Library General Public
37 * License as published by the Free Software Foundation; either
38 * version 2 of the License, or (at your option) any later version.
39 *
40 * This library is distributed in the hope that it will be useful,
41 * but WITHOUT ANY WARRANTY; without even the implied warranty of
42 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
43 * Library General Public License for more details.
44 *
45 * You should have received a copy of the GNU Library General Public
46 * License along with this library; if not, write to the Free
47 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
48 *
49 */
50
51#ifndef __GL2PS_H__
52#define __GL2PS_H__
53
54#include <stdio.h>
55#include <stdlib.h>
56#include <cmath>
57
58/* To generate a Windows dll, you have to define GL2PSDLL at compile
59 time */
60
61#ifdef WIN32
62# include <windows.h>
63# ifdef GL2PSDLL
64# ifdef GL2PSDLL_EXPORTS
65# define GL2PSDLL_API __declspec(dllexport)
66# else
67# define GL2PSDLL_API __declspec(dllimport)
68# endif
69# else
70# define GL2PSDLL_API
71# endif
72#else
73# define GL2PSDLL_API
74#endif
75
76#ifdef __APPLE__
77# include <OpenGL/gl.h>
78#else
79# include <GL/gl.h>
80#endif
81
82
83#define GL2PS_VERSION 0.8
84#define GL2PS_NONE 0
85
86/* Output file format */
87
88#define GL2PS_PS 1
89#define GL2PS_EPS 2
90#define GL2PS_TEX 3
91
92/* Sorting algorithms */
93
94#define GL2PS_NO_SORT 1
95#define GL2PS_SIMPLE_SORT 2
96#define GL2PS_BSP_SORT 3
97
98/* Options for gl2psBeginPage */
99
100#define GL2PS_DRAW_BACKGROUND (1<<0)
101#define GL2PS_SIMPLE_LINE_OFFSET (1<<1)
102#define GL2PS_SILENT (1<<2)
103#define GL2PS_BEST_ROOT (1<<3)
104#define GL2PS_OCCLUSION_CULL (1<<4)
105#define GL2PS_NO_TEXT (1<<5)
106#define GL2PS_LANDSCAPE (1<<6)
107#define GL2PS_NO_PS3_SHADING (1<<7)
108#define GL2PS_NO_PIXMAP (1<<8)
109
110/* Arguments for gl2psEnable/gl2psDisable */
111
112#define GL2PS_POLYGON_OFFSET_FILL 1
113#define GL2PS_POLYGON_BOUNDARY 2
114#define GL2PS_LINE_STIPPLE 3
115
116/* Magic numbers */
117
118#define GL2PS_EPSILON 5.e-3
119#define GL2PS_DEPTH_FACT 1000.0
120#define GL2PS_SIMPLE_OFFSET 0.05
121#define GL2PS_SIMPLE_OFFSET_LARGE 1.0
122#define GL2PS_ZERO(arg) (std::fabs(arg)<1.e-20)
123/*#define GL2PS_ZERO(arg) ((arg)==0.0)*/
124
125/* Message levels and error codes */
126
127#define GL2PS_SUCCESS 0
128#define GL2PS_INFO 1
129#define GL2PS_WARNING 2
130#define GL2PS_ERROR 3
131#define GL2PS_NO_FEEDBACK 4
132#define GL2PS_OVERFLOW 5
133#define GL2PS_UNINITIALIZED 6
134
135/* Primitive types */
136
137#define GL2PS_TEXT 1
138#define GL2PS_POINT 2
139#define GL2PS_LINE 3
140#define GL2PS_QUADRANGLE 4
141#define GL2PS_TRIANGLE 5
142#define GL2PS_PIXMAP 6
143
144/* BSP tree primitive comparison */
145
146#define GL2PS_COINCIDENT 1
147#define GL2PS_IN_FRONT_OF 2
148#define GL2PS_IN_BACK_OF 3
149#define GL2PS_SPANNING 4
150
151/* 2D BSP tree primitive comparison */
152
153#define GL2PS_POINT_COINCIDENT 0
154#define GL2PS_POINT_INFRONT 1
155#define GL2PS_POINT_BACK 2
156
157/* Pass through options */
158
159#define GL2PS_BEGIN_POLYGON_OFFSET_FILL 1
160#define GL2PS_END_POLYGON_OFFSET_FILL 2
161#define GL2PS_BEGIN_POLYGON_BOUNDARY 3
162#define GL2PS_END_POLYGON_BOUNDARY 4
163#define GL2PS_BEGIN_LINE_STIPPLE 5
164#define GL2PS_END_LINE_STIPPLE 6
165#define GL2PS_SET_POINT_SIZE 7
166#define GL2PS_SET_LINE_WIDTH 8
167
168typedef GLfloat GL2PSrgba[4];
169typedef GLfloat GL2PSxyz[3];
170typedef GLfloat GL2PSplane[4];
171
172typedef struct _GL2PSbsptree2d GL2PSbsptree2d;
173
174struct _GL2PSbsptree2d {
175 GL2PSplane plane;
176 GL2PSbsptree2d *front, *back;
177};
178
179typedef struct {
180 GLint nmax, size, incr, n;
181 char *array;
182} GL2PSlist;
183
184typedef struct _GL2PSbsptree GL2PSbsptree;
185
186struct _GL2PSbsptree {
187 GL2PSplane plane;
188 GL2PSlist *primitives;
189 GL2PSbsptree *front, *back;
190};
191
192typedef struct {
193 GL2PSxyz xyz;
194 GL2PSrgba rgba;
195} GL2PSvertex;
196
197typedef struct {
198 GLshort fontsize;
199 char *str, *fontname;
200} GL2PSstring;
201
202typedef struct {
203 GLsizei width, height;
204 GLenum format, type;
205 GLfloat *pixels;
206} GL2PSimage;
207
208typedef struct {
209 GLshort type, numverts;
210 char boundary, dash, culled;
211 GLfloat width, depth;
212 GL2PSvertex *verts;
213 GL2PSstring *text;
214 GL2PSimage *image;
215} GL2PSprimitive;
216
217typedef struct {
218 GLint format, sort, options, colorsize, colormode, buffersize, maxbestroot;
219 const char *title, *producer, *filename;
220 GLboolean shade, boundary;
221 GLfloat *feedback, offset[2];
222 GLint viewport[4];
223 GL2PSrgba *colormap, lastrgba, threshold;
224 float lastlinewidth;
225 GL2PSlist *primitives;
226 GL2PSbsptree2d *imagetree;
227 FILE *stream;
228} GL2PScontext;
229
230/* public functions */
231
232#ifdef __cplusplus
233extern "C" {
234#endif
235
236GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer,
237 GLint viewport[4], GLint format, GLint sort,
238 GLint options, GLint colormode,
239 GLint colorsize, GL2PSrgba *colormap,
240 GLint nr, GLint ng, GLint nb, GLint buffersize,
241 FILE *stream, const char *filename);
242GL2PSDLL_API GLint gl2psEndPage(void);
243GL2PSDLL_API GLint gl2psBeginViewport(GLint viewport[4]);
244GL2PSDLL_API GLint gl2psEndViewport(void);
245GL2PSDLL_API GLint gl2psText(const char *str, const char *fontname, GLshort fontsize);
246GL2PSDLL_API GLint gl2psDrawPixels(GLsizei width, GLsizei height,
247 GLint xorig, GLint yorig,
248 GLenum format, GLenum type, const void *pixels);
249GL2PSDLL_API GLint gl2psEnable(GLint mode);
250GL2PSDLL_API GLint gl2psDisable(GLint mode);
251GL2PSDLL_API GLint gl2psPointSize(GLfloat value);
252GL2PSDLL_API GLint gl2psLineWidth(GLfloat value);
253
254#ifdef __cplusplus
255}
256#endif
257
258#endif /* __GL2PS_H__ */
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