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geant4/source/visualization/OpenInventor/src/gl2ps.h
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2016-06-09 14:44:26 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
/*
* GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2003 Christophe Geuzaine
*
* $Id: gl2ps.h,v 1.5 2006/06/29 21:23:11 gunter Exp $
*
* E-mail: geuz@geuz.org
* URL: http://www.geuz.org/gl2ps/
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of 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.
*
* This library 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 the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __GL2PS_H__
#define __GL2PS_H__
#include <stdio.h>
#include <stdlib.h>
#include <cmath>
/* To generate a Windows dll, you have to define GL2PSDLL at compile
time */
#ifdef WIN32
# include <windows.h>
# ifdef GL2PSDLL
# ifdef GL2PSDLL_EXPORTS
# define GL2PSDLL_API __declspec(dllexport)
# else
# define GL2PSDLL_API __declspec(dllimport)
# endif
# else
# define GL2PSDLL_API
# endif
#else
# define GL2PSDLL_API
#endif
#ifdef __APPLE__
# include <OpenGL/gl.h>
#else
# include <GL/gl.h>
#endif
#define GL2PS_VERSION 0.8
#define GL2PS_NONE 0
/* Output file format */
#define GL2PS_PS 1
#define GL2PS_EPS 2
#define GL2PS_TEX 3
/* Sorting algorithms */
#define GL2PS_NO_SORT 1
#define GL2PS_SIMPLE_SORT 2
#define GL2PS_BSP_SORT 3
/* Options for gl2psBeginPage */
#define GL2PS_DRAW_BACKGROUND (1<<0)
#define GL2PS_SIMPLE_LINE_OFFSET (1<<1)
#define GL2PS_SILENT (1<<2)
#define GL2PS_BEST_ROOT (1<<3)
#define GL2PS_OCCLUSION_CULL (1<<4)
#define GL2PS_NO_TEXT (1<<5)
#define GL2PS_LANDSCAPE (1<<6)
#define GL2PS_NO_PS3_SHADING (1<<7)
#define GL2PS_NO_PIXMAP (1<<8)
/* Arguments for gl2psEnable/gl2psDisable */
#define GL2PS_POLYGON_OFFSET_FILL 1
#define GL2PS_POLYGON_BOUNDARY 2
#define GL2PS_LINE_STIPPLE 3
/* Magic numbers */
#define GL2PS_EPSILON 5.e-3
#define GL2PS_DEPTH_FACT 1000.0
#define GL2PS_SIMPLE_OFFSET 0.05
#define GL2PS_SIMPLE_OFFSET_LARGE 1.0
#define GL2PS_ZERO(arg) (std::fabs(arg)<1.e-20)
/*#define GL2PS_ZERO(arg) ((arg)==0.0)*/
/* Message levels and error codes */
#define GL2PS_SUCCESS 0
#define GL2PS_INFO 1
#define GL2PS_WARNING 2
#define GL2PS_ERROR 3
#define GL2PS_NO_FEEDBACK 4
#define GL2PS_OVERFLOW 5
#define GL2PS_UNINITIALIZED 6
/* Primitive types */
#define GL2PS_TEXT 1
#define GL2PS_POINT 2
#define GL2PS_LINE 3
#define GL2PS_QUADRANGLE 4
#define GL2PS_TRIANGLE 5
#define GL2PS_PIXMAP 6
/* 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
/* Pass through options */
#define GL2PS_BEGIN_POLYGON_OFFSET_FILL 1
#define GL2PS_END_POLYGON_OFFSET_FILL 2
#define GL2PS_BEGIN_POLYGON_BOUNDARY 3
#define GL2PS_END_POLYGON_BOUNDARY 4
#define GL2PS_BEGIN_LINE_STIPPLE 5
#define GL2PS_END_LINE_STIPPLE 6
#define GL2PS_SET_POINT_SIZE 7
#define GL2PS_SET_LINE_WIDTH 8
typedef GLfloat GL2PSrgba[4];
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 {
GLshort fontsize;
char *str, *fontname;
} GL2PSstring;
typedef struct {
GLsizei width, height;
GLenum format, type;
GLfloat *pixels;
} GL2PSimage;
typedef struct {
GLshort type, numverts;
char boundary, dash, culled;
GLfloat width, depth;
GL2PSvertex *verts;
GL2PSstring *text;
GL2PSimage *image;
} GL2PSprimitive;
typedef struct {
GLint format, sort, options, colorsize, colormode, buffersize, maxbestroot;
const char *title, *producer, *filename;
GLboolean shade, boundary;
GLfloat *feedback, offset[2];
GLint viewport[4];
GL2PSrgba *colormap, lastrgba, threshold;
float lastlinewidth;
GL2PSlist *primitives;
GL2PSbsptree2d *imagetree;
FILE *stream;
} GL2PScontext;
/* public functions */
#ifdef __cplusplus
extern "C" {
#endif
GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer,
GLint viewport[4], GLint format, GLint sort,
GLint options, GLint colormode,
GLint colorsize, GL2PSrgba *colormap,
GLint nr, GLint ng, GLint nb, GLint buffersize,
FILE *stream, const char *filename);
GL2PSDLL_API GLint gl2psEndPage(void);
GL2PSDLL_API GLint gl2psBeginViewport(GLint viewport[4]);
GL2PSDLL_API GLint gl2psEndViewport(void);
GL2PSDLL_API GLint gl2psText(const char *str, const char *fontname, GLshort fontsize);
GL2PSDLL_API GLint gl2psDrawPixels(GLsizei width, GLsizei height,
GLint xorig, GLint yorig,
GLenum format, GLenum type, const void *pixels);
GL2PSDLL_API GLint gl2psEnable(GLint mode);
GL2PSDLL_API GLint gl2psDisable(GLint mode);
GL2PSDLL_API GLint gl2psPointSize(GLfloat value);
GL2PSDLL_API GLint gl2psLineWidth(GLfloat value);
#ifdef __cplusplus
}
#endif
#endif /* __GL2PS_H__ */