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tess_typedefs.h
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/* $Id: tess_typedefs.h,v 1.9.2.5 1999/12/05 17:01:17 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
*
* Copyright (C) 1999 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*****************************************************************************
*
* GLU 1.3 Polygon Tessellation by Gareth Hughes <garethh@bell-labs.com>
*
*****************************************************************************/
#ifndef __GLU_TESS_TYPEDEFS_H__
#define __GLU_TESS_TYPEDEFS_H__
#include <stdarg.h>
#include <stdio.h>
#include "gluP.h"
#include "tess_hash.h"
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* Tessellation type definitions:
*****************************************************************************/
typedef struct
{
void (GLCALLBACK *begin)( GLenum );
void (GLCALLBACK *beginData)( GLenum , void * );
void (GLCALLBACK *edgeFlag)( GLboolean );
void (GLCALLBACK *edgeFlagData)( GLboolean , void * );
void (GLCALLBACK *vertex)( void * );
void (GLCALLBACK *vertexData)( void *, void * );
void (GLCALLBACK *end)( void );
void (GLCALLBACK *endData)( void * );
void (GLCALLBACK *error)( GLenum );
void (GLCALLBACK *errorData)( GLenum , void * );
void (GLCALLBACK *combine)( GLdouble[3], void *[4],
GLfloat[4], void ** );
void (GLCALLBACK *combineData)( GLdouble[3], void *[4],
GLfloat[4], void **,
void * );
} tess_callbacks_t;
typedef struct
{
GLdouble normal[3];
GLdouble dist;
} tess_plane_t;
typedef struct vertex_s
{
GLint index;
void *data;
GLdouble coords[3];
GLdouble v[2];
GLboolean edge_flag;
GLdouble side;
GLdouble angle;
struct vertex_s *next, *prev;
} tess_vertex_t;
typedef struct contour_s
{
GLenum type;
tess_plane_t plane;
GLdouble area;
GLenum orientation;
GLuint label;
GLint winding;
GLdouble rotx, roty;
GLdouble mins[2], maxs[2];
GLint num_vertices;
tess_vertex_t *vertices, *last_vertex;
hashtable_t *reflex_vertices;
struct contour_s *parent;
struct contour_s *next, *prev;
} tess_contour_t;
#ifdef __cplusplus
}
#endif
#endif /* __GLU_TESS_TYPEDEFS_H__ */