ReactOS 0.4.15-dev-8241-g63935f8
bezierPatch.h
Go to the documentation of this file.
1/*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
29 */
30/*
31*/
32
33#ifndef _BEZIERPATCH_H
34#define _BEZIERPATCH_H
35
36typedef struct bezierPatch{
37 float umin, vmin, umax, vmax;
38 int uorder; /*order= degree + 1*/
39 int vorder;
40
41 /*
42 *the control points are stored in a one dimensional array.
43 *the surface is defined as:
44 * s(u,v) = sum_{i,j} P(i,j) * B_i(u) * B_j(v).
45 *where P(i,j) are the control points, B_i(.) are Bezier
46 *basis functions.
47 *Each control point can have dimension 3 or 4: (x,y,z,w).
48 *The components of P(i,j) are stored in a one dimensional
49 *array:
50 * ctlpoints[]
51 *in the order of:
52 * P[0,0], P[0,1], ..., P[0,vorder-1],
53 * P[1,0], P[1,1], ..., P[1,vorder-1],
54 * ...
55 * P[uorder-1,0], P[uorder-1,1], ..., P[uorder-1,vorder-1].
56 */
58 float* ctlpoints;
59
60 /*
61 *in case we have to manage multiple bezierPatches.
62 */
63 struct bezierPatch *next;
64
66
67#ifdef __cplusplus
68extern "C" {
69#endif
70
71bezierPatch* bezierPatchMake(float umin, float vmin, float umax, float vmax, int urder, int vorder, int dimension);
72
73bezierPatch* bezierPatchMake2(float umin, float vmin, float umax, float vmax, int urder, int vorder, int dimension, int ustride, int vstride, float *ctlpoints);
74
75
77
79
81
83
85
86void bezierPatchEval(bezierPatch *b, float u, float v, float ret[]);
87
88void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float retNormal[]);
89
90void bezierPatchEval(bezierPatch *b, float u, float v, float ret[]);
91
92void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float ret[]);
93
94
95void bezierPatchDraw(bezierPatch *bpatch, int u_reso, int v_reso);
96
97void bezierPatchListDraw(bezierPatch *list, int u_reso, int v_reso);
98
99#ifdef __cplusplus
100}
101#endif
102
103
104#endif
void bezierPatchEval(bezierPatch *b, float u, float v, float ret[])
Definition: bezierPatch.cc:142
bezierPatch * bezierPatchInsert(bezierPatch *list, bezierPatch *b)
Definition: bezierPatch.cc:119
void bezierPatchPrint(bezierPatch *b)
Definition: bezierPatch.cc:126
void bezierPatchDelete(bezierPatch *b)
Definition: bezierPatch.cc:101
bezierPatch * bezierPatchMake(float umin, float vmin, float umax, float vmax, int urder, int vorder, int dimension)
Definition: bezierPatch.cc:52
void bezierPatchDraw(bezierPatch *bpatch, int u_reso, int v_reso)
Definition: bezierPatch.cc:175
bezierPatch * bezierPatchMake2(float umin, float vmin, float umax, float vmax, int urder, int vorder, int dimension, int ustride, int vstride, float *ctlpoints)
Definition: bezierPatch.cc:71
void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float retNormal[])
Definition: bezierPatch.cc:159
void bezierPatchPrintList(bezierPatch *list)
Definition: bezierPatch.cc:135
void bezierPatchDeleteList(bezierPatch *b)
Definition: bezierPatch.cc:109
void bezierPatchListDraw(bezierPatch *list, int u_reso, int v_reso)
Definition: bezierPatch.cc:187
Definition: list.h:37
const GLdouble * v
Definition: gl.h:2040
GLdouble GLdouble GLint ustride
Definition: glext.h:8308
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
GLdouble GLdouble GLint GLint GLdouble GLdouble GLint GLint vorder
Definition: glext.h:8308
GLdouble GLdouble GLint GLint GLdouble GLdouble GLint vstride
Definition: glext.h:8308
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble * u
Definition: glfuncs.h:240
float vmax
Definition: bezierPatch.h:37
struct bezierPatch * next
Definition: bezierPatch.h:63
float umin
Definition: bezierPatch.h:37
float vmin
Definition: bezierPatch.h:37
float * ctlpoints
Definition: bezierPatch.h:58
float umax
Definition: bezierPatch.h:37
int ret