ReactOS  0.4.14-dev-854-gb9426a3
bezierPatch.h
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32 
33 #ifndef _BEZIERPATCH_H
34 #define _BEZIERPATCH_H
35 
36 typedef 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  */
57  int dimension;
58  float* ctlpoints;
59 
60  /*
61  *in case we have to manage multiple bezierPatches.
62  */
63  struct bezierPatch *next;
64 
65 } bezierPatch;
66 
67 #ifdef __cplusplus
68 extern "C" {
69 #endif
70 
71 bezierPatch* bezierPatchMake(float umin, float vmin, float umax, float vmax, int urder, int vorder, int dimension);
72 
73 bezierPatch* 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 
86 void bezierPatchEval(bezierPatch *b, float u, float v, float ret[]);
87 
88 void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float retNormal[]);
89 
90 void bezierPatchEval(bezierPatch *b, float u, float v, float ret[]);
91 
92 void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float ret[]);
93 
94 
95 void bezierPatchDraw(bezierPatch *bpatch, int u_reso, int v_reso);
96 
97 void bezierPatchListDraw(bezierPatch *list, int u_reso, int v_reso);
98 
99 #ifdef __cplusplus
100 }
101 #endif
102 
103 
104 #endif
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
GLdouble GLdouble GLint GLint GLdouble GLdouble GLint vstride
Definition: glext.h:8308
float * ctlpoints
Definition: bezierPatch.h:58
GLdouble GLdouble GLint ustride
Definition: glext.h:8308
struct bezierPatch bezierPatch
void bezierPatchPrintList(bezierPatch *list)
Definition: bezierPatch.cc:135
void bezierPatchDeleteList(bezierPatch *b)
Definition: bezierPatch.cc:109
void bezierPatchDraw(bezierPatch *bpatch, int u_reso, int v_reso)
Definition: bezierPatch.cc:175
GLdouble GLdouble GLint GLint GLdouble GLdouble GLint GLint vorder
Definition: glext.h:8308
float vmin
Definition: bezierPatch.h:37
bezierPatch * bezierPatchInsert(bezierPatch *list, bezierPatch *b)
Definition: bezierPatch.cc:119
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
struct bezierPatch * next
Definition: bezierPatch.h:63
bezierPatch * bezierPatchMake(float umin, float vmin, float umax, float vmax, int urder, int vorder, int dimension)
Definition: bezierPatch.cc:52
float umax
Definition: bezierPatch.h:37
GLboolean GLboolean GLboolean b
Definition: glext.h:6204
float vmax
Definition: bezierPatch.h:37
int ret
void bezierPatchEval(bezierPatch *b, float u, float v, float ret[])
Definition: bezierPatch.cc:142
void bezierPatchListDraw(bezierPatch *list, int u_reso, int v_reso)
Definition: bezierPatch.cc:187
Definition: _list.h:228
void bezierPatchDelete(bezierPatch *b)
Definition: bezierPatch.cc:101
const GLdouble * v
Definition: gl.h:2040
float umin
Definition: bezierPatch.h:37
void bezierPatchEvalNormal(bezierPatch *b, float u, float v, float retNormal[])
Definition: bezierPatch.cc:159
void bezierPatchPrint(bezierPatch *b)
Definition: bezierPatch.cc:126