ReactOS 0.4.15-dev-8227-g32d615f
bezierPatch.cc
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1/*
2** License Applicability. Except to the extent portions of this file are
3** made subject to an alternative license as permitted in the SGI Free
4** Software License B, Version 1.1 (the "License"), the contents of this
5** file are subject only to the provisions of the License. You may not use
6** this file except in compliance with the License. You may obtain a copy
7** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
8** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
9**
10** http://oss.sgi.com/projects/FreeB
11**
12** Note that, as provided in the License, the Software is distributed on an
13** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
14** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
15** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
16** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
17**
18** Original Code. The Original Code is: OpenGL Sample Implementation,
19** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
20** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
21** Copyright in any portions created by third parties is as indicated
22** elsewhere herein. All Rights Reserved.
23**
24** Additional Notice Provisions: The application programming interfaces
25** established by SGI in conjunction with the Original Code are The
26** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
27** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
28** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
29** Window System(R) (Version 1.3), released October 19, 1998. This software
30** was created using the OpenGL(R) version 1.2.1 Sample Implementation
31** published by SGI, but has not been independently verified as being
32** compliant with the OpenGL(R) version 1.2.1 Specification.
33**
34*/
35/*
36*/
37
38#include "gluos.h"
39//#include <stdlib.h>
40//#include <stdio.h>
41#include <assert.h>
42#include <GL/glu.h> /*for drawing bzier patch*/
43#include "bezierPatch.h"
44#include "bezierEval.h"
45
46/*
47 *allocate an instance of bezierPatch. The control points are unknown. But
48 *the space of this array is allocated with size of
49 * uorder*vorder*dimension
50 *
51 */
52bezierPatch* bezierPatchMake(float umin, float vmin, float umax, float vmax, int uorder, int vorder, int dimension)
53{
55 assert(ret);
56 ret->umin = umin;
57 ret->vmin = vmin;
58 ret->umax = umax;
59 ret->vmax = vmax;
60 ret->uorder = uorder;
61 ret->vorder = vorder;
62 ret->dimension = dimension;
63 ret->ctlpoints = (float*) malloc(sizeof(float) * dimension * uorder * vorder);
64 assert(ret->ctlpoints);
65
66 ret->next = NULL;
67
68 return ret;
69}
70
71bezierPatch* bezierPatchMake2(float umin, float vmin, float umax, float vmax, int uorder, int vorder, int dimension, int ustride, int vstride, float* ctlpoints)
72{
74 assert(ret);
75 ret->umin = umin;
76 ret->vmin = vmin;
77 ret->umax = umax;
78 ret->vmax = vmax;
79 ret->uorder = uorder;
80 ret->vorder = vorder;
81 ret->dimension = dimension;
82 ret->ctlpoints = (float*) malloc(sizeof(float) * dimension * uorder * vorder);
83 assert(ret->ctlpoints);
84
85 /*copy the control points there*/
86 int the_ustride = vorder * dimension;
87 int the_vstride = dimension;
88 for(int i=0; i<uorder; i++)
89 for(int j=0; j<vorder; j++)
90 for(int k=0; k<dimension; k++)
91 ret->ctlpoints[i * the_ustride + j*the_vstride+k] = ctlpoints[i*ustride+j*vstride+k];
92
93 ret->next = NULL;
94
95 return ret;
96}
97
98/*
99 *deallocate the space as allocated by Make
100 */
102{
103 free(b->ctlpoints);
104 free(b);
105}
106
107/*delete the whole linked list
108 */
110{
112 while (b != NULL) {
113 temp = b;
114 b = b->next;
116 }
117}
118
120{
121 b->next = list;
122 return b;
123}
124
125/*print the data stored in this patch*/
127{
128 printf("bezierPatch:\n");
129 printf("umin,umax=(%f,%f), (vmin, vmax)=(%f,%f)\n", b->umin, b->umax, b->vmin, b->vmax);
130 printf("uorder=%i, vorder=%i\n", b->uorder, b->vorder);
131 printf("idmension = %i\n", b->dimension);
132}
133
134/*print the whole list*/
136{
138 for(temp=list; temp != NULL; temp = temp->next)
140}
141
142void bezierPatchEval(bezierPatch *b, float u, float v, float ret[])
143{
144 if( u >= b->umin && u<= b->umax
145 && v >= b->vmin && v<= b->vmax)
146 {
147
148 bezierSurfEval(b->umin, b->umax, b->uorder, b->vmin, b->vmax, b->vorder, b->dimension, b->ctlpoints, b->dimension * b->vorder, b->dimension, u, v, ret);
149
150 }
151 else if(b->next != NULL)
152 bezierPatchEval(b->next, u,v, ret);
153 else
154 bezierSurfEval(b->umin, b->umax, b->uorder, b->vmin, b->vmax, b->vorder, b->dimension, b->ctlpoints, b->dimension * b->vorder, b->dimension, u, v, ret);
155}
156
157/*the returned normal is normlized
158 */
159void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float ret[])
160{
161 bezierSurfEvalNormal(b->umin, b->umax, b->uorder, b->vmin, b->vmax, b->vorder, b->dimension, b->ctlpoints, b->dimension * b->vorder, b->dimension, u, v, ret);
162
163 if( u >= b->umin && u<= b->umax
164 && v >= b->vmin && v<= b->vmax)
165 {
166 bezierSurfEvalNormal(b->umin, b->umax, b->uorder, b->vmin, b->vmax, b->vorder, b->dimension, b->ctlpoints, b->dimension * b->vorder, b->dimension, u, v, ret);
167 }
168 else if(b->next != NULL)
169 bezierPatchEvalNormal(b->next, u,v, ret);
170 else
171 bezierSurfEvalNormal(b->umin, b->umax, b->uorder, b->vmin, b->vmax, b->vorder, b->dimension, b->ctlpoints, b->dimension * b->vorder, b->dimension, u, v, ret);
172
173}
174
175void bezierPatchDraw(bezierPatch *bpatch, int u_reso, int v_reso)
176{
177 if(bpatch->dimension == 3)
178 glMap2f(GL_MAP2_VERTEX_3, bpatch->umin, bpatch->umax, 3*bpatch->vorder, bpatch->uorder, bpatch->vmin, bpatch->vmax,3, bpatch->vorder, (GLfloat*) bpatch->ctlpoints);
179 else
180 glMap2f(GL_MAP2_VERTEX_4, bpatch->umin, bpatch->umax, 4*bpatch->vorder, bpatch->uorder, bpatch->vmin, bpatch->vmax,3, bpatch->vorder, (GLfloat*) bpatch->ctlpoints);
181
182 glMapGrid2f(u_reso, bpatch->umin, bpatch->umax,
183 v_reso, bpatch->vmin, bpatch->vmax);
184 glEvalMesh2(GL_LINE, 0, u_reso, 0, v_reso);
185}
186
187void bezierPatchListDraw(bezierPatch *list, int u_reso, int v_reso)
188{
195glColor3f(1,0,0);
196#ifdef DEBUG
197printf("mapmap\n");
198#endif
199
200
201 for(temp = list; temp != NULL; temp = temp->next)
202 bezierPatchDraw(temp, u_reso, v_reso);
203}
204
205
206
void bezierSurfEvalNormal(float u0, float u1, int uorder, float v0, float v1, int vorder, int dimension, float *ctlpoints, int ustride, int vstride, float u, float v, float retNormal[])
Definition: bezierEval.cc:202
void bezierSurfEval(float u0, float u1, int uorder, float v0, float v1, int vorder, int dimension, float *ctlpoints, int ustride, int vstride, float u, float v, float ret[])
Definition: bezierEval.cc:192
void bezierPatchEval(bezierPatch *b, float u, float v, float ret[])
Definition: bezierPatch.cc:142
bezierPatch * bezierPatchMake2(float umin, float vmin, float umax, float vmax, int uorder, int vorder, int dimension, int ustride, int vstride, float *ctlpoints)
Definition: bezierPatch.cc:71
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
void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float ret[])
Definition: bezierPatch.cc:159
bezierPatch * bezierPatchMake(float umin, float vmin, float umax, float vmax, int uorder, int vorder, int dimension)
Definition: bezierPatch.cc:52
void bezierPatchDraw(bezierPatch *bpatch, int u_reso, int v_reso)
Definition: bezierPatch.cc:175
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
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
#define NULL
Definition: types.h:112
#define assert(x)
Definition: debug.h:53
#define printf
Definition: freeldr.h:97
#define GL_AUTO_NORMAL
Definition: gl.h:550
GLAPI void GLAPIENTRY glEnable(GLenum cap)
GLAPI void GLAPIENTRY glEvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2)
float GLfloat
Definition: gl.h:161
const GLdouble * v
Definition: gl.h:2040
GLAPI void GLAPIENTRY glMap2f(GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, const GLfloat *points)
#define GL_NORMALIZE
Definition: gl.h:343
GLAPI void GLAPIENTRY glMapGrid2f(GLint un, GLfloat u1, GLfloat u2, GLint vn, GLfloat v1, GLfloat v2)
#define GL_MAP2_VERTEX_4
Definition: gl.h:568
#define GL_MAP2_VERTEX_3
Definition: gl.h:567
#define GL_LINE
Definition: gl.h:266
GLAPI void GLAPIENTRY glColor3f(GLfloat red, GLfloat green, GLfloat blue)
#define GL_LIGHT0
Definition: gl.h:311
#define GL_LIGHTING
Definition: gl.h:310
GLdouble GLdouble GLint ustride
Definition: glext.h:8308
GLdouble GLdouble GLint GLint uorder
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 const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
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
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 const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
#define b
Definition: ke_i.h:79
int k
Definition: mpi.c:3369
#define list
Definition: rosglue.h:35
static calc_node_t temp
Definition: rpn_ieee.c:38
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
struct define * next
Definition: compiler.c:65
int ret