ReactOS  0.4.11-dev-765-g5e024bf
gridWrap.h
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30 /*
31 */
32 
33 #ifndef _GRIDWRAP_H
34 #define _GRIDWRAP_H
35 
36 //#include <stdio.h>
37 //#include "definitions.h"
38 
39 #include "primitiveStream.h"
40 //#include "zlassert.h"
41 
42 class gridWrap{
47 
48  /*cache the coordinate values for efficiency.
49  *these are redundant information when
50  *the grid is uniform.
51  */
52  Real* u_values; /*size is n_ulines*/
53  Real* v_values; /*size is n_vlines*/
54 
56 
57 public:
58  //uniform grid constructor
59  gridWrap(Int nUlines, Int nVlines,
60  Real uMin, Real uMax,
62  );
63 
64  //nonuniform grid constructor.
65  gridWrap(Int nUlines, Real *uvals,
66  Int nVlines, Real *vvlas
67  );
68  ~gridWrap();
69 
70  void print();
73  Real get_u_min() {return u_min;}
74  Real get_u_max() {return u_max;}
75  Real get_v_min() {return v_min;}
76  Real get_v_max() {return v_max;}
77 
79  {
80  assert(i<n_ulines);
81  /*if(i>=n_ulines){printf("ERROR, n_ulines=%i,i=%i\n",n_ulines,i);exit(0);}*/
82  return u_values[i];}
84 
85  Real* get_u_values() {return u_values;}
86  Real* get_v_values() {return v_values;}
87 
88  void outputFanWithPoint(Int v, Int uleft, Int uright,
89  Real vert[2], primStream* pStream);
90 
91  void draw();
92 
93  Int isUniform() {return is_uniform;}
94 };
95 
100  Int* ulineIndices; /*each v line has a boundary*/
101  Int* innerIndices; /*the segment of the vertical gridline from */
102  /*(innerIndices[i], i) to (innerIndices[i+1], i-1) */
103  /*is inside the polygon: i=1,...,nVlines-1*/
104 
105  Real2* vertices; /*one grid point at each grid V-line, cached for efficiency*/
106 
107 public:
108  gridBoundaryChain(gridWrap* gr, Int first_vline_index, Int n_vlines, Int* uline_indices, Int* inner_indices);
109 
111  {
114  free(vertices);
115  }
116 
117  /*i indexes the vlines in this chain.
118  */
121  Real get_u_value(Int i) {return vertices[i][0];}
122  Real get_v_value(Int i) {return vertices[i][1];}
123  Int get_nVlines() {return nVlines;}
126 
127  Real* get_vertex(Int i) {return vertices[i];}
128  gridWrap* getGrid() {return grid;}
129  void leftEndFan(Int i, primStream* pStream);
130  void rightEndFan(Int i, primStream* pStream);
131 
132  Int lookfor(Real v, Int i1, Int i2); //find i in [i1,i2] so that vertices[i][1]>= v > vertices[i+1][1]
133  void draw();
134  void drawInner();
135 };
136 
137 #endif
Int get_n_vlines()
Definition: gridWrap.h:72
Int getVlineIndex(Int i)
Definition: gridWrap.h:119
GLenum GLclampf GLint GLenum GLuint GLenum GLenum GLsizei GLenum const GLvoid GLfloat GLfloat GLfloat GLfloat GLclampd GLint 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 GLboolean GLboolean GLboolean GLint GLenum GLsizei const GLvoid GLenum GLint GLenum GLint GLint GLsizei GLint GLenum GLint GLint GLint GLint GLsizei GLenum GLsizei const GLuint GLboolean GLenum GLenum GLint GLsizei GLenum GLsizei GLenum const GLvoid GLboolean const GLboolean GLenum const GLdouble const GLfloat const GLdouble const GLfloat GLenum GLint GLint GLint GLint GLint GLint j
Definition: glfuncs.h:98
Int n_ulines
Definition: gridWrap.h:43
void rightEndFan(Int i, primStream *pStream)
Definition: gridWrap.cc:249
Real get_u_max()
Definition: gridWrap.h:74
Real * get_v_values()
Definition: gridWrap.h:86
#define free
Definition: debug_ros.c:5
#define assert(x)
Definition: debug.h:53
const SWvertex * vMax
Definition: s_aatritemp.h:45
void draw()
Definition: gridWrap.cc:127
Int * ulineIndices
Definition: gridWrap.h:100
Real v_min
Definition: gridWrap.h:46
Real * v_values
Definition: gridWrap.h:53
Real get_v_value(Int j)
Definition: gridWrap.h:83
gridWrap(Int nUlines, Int nVlines, Real uMin, Real uMax, Real vMin, Real vMax)
Definition: gridWrap.cc:79
GLenum GLclampf GLint i
Definition: glfuncs.h:14
Real get_u_min()
Definition: gridWrap.h:73
void leftEndFan(Int i, primStream *pStream)
Definition: gridWrap.cc:273
Int lookfor(Real v, Int i1, Int i2)
Definition: gridWrap.cc:232
void print()
Definition: gridWrap.cc:47
Real * get_vertex(Int i)
Definition: gridWrap.h:127
Real get_u_value(Int i)
Definition: gridWrap.h:78
Real getInner_u_value(Int i)
Definition: gridWrap.h:125
Real v_max
Definition: gridWrap.h:46
Int getUlineIndex(Int i)
Definition: gridWrap.h:120
gridWrap * getGrid()
Definition: gridWrap.h:128
Real get_v_value(Int i)
Definition: gridWrap.h:122
GLenum GLclampf GLint GLenum GLuint GLenum GLenum GLsizei GLenum const GLvoid GLfloat GLfloat GLfloat GLfloat GLclampd GLint 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 GLboolean GLboolean GLboolean GLint GLenum GLsizei const GLvoid GLenum GLint GLenum GLint GLint GLsizei GLint GLenum GLint GLint GLint GLint GLsizei GLenum GLsizei const GLuint GLboolean GLenum GLenum GLint GLsizei GLenum GLsizei GLenum const GLvoid GLboolean const GLboolean GLenum const GLdouble const GLfloat const GLdouble const GLfloat GLenum GLint GLint i2
Definition: glfuncs.h:96
Real get_u_value(Int i)
Definition: gridWrap.h:121
const SWvertex * vMin
Definition: s_aatritemp.h:45
Real * get_u_values()
Definition: gridWrap.h:85
Int getInnerIndex(Int i)
Definition: gridWrap.h:124
GLenum GLclampf GLint GLenum GLuint GLenum GLenum GLsizei GLenum const GLvoid GLfloat GLfloat GLfloat GLfloat GLclampd GLint 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 GLboolean GLboolean GLboolean GLint GLenum GLsizei const GLvoid GLenum GLint GLenum GLint GLint GLsizei GLint GLenum GLint GLint GLint GLint GLsizei GLenum GLsizei const GLuint GLboolean GLenum GLenum GLint GLsizei GLenum GLsizei GLenum const GLvoid GLboolean const GLboolean GLenum const GLdouble const GLfloat const GLdouble const GLfloat GLenum GLint i1
Definition: glfuncs.h:96
Real get_v_min()
Definition: gridWrap.h:75
const GLdouble * v
Definition: gl.h:2040
Real u_max
Definition: gridWrap.h:45
Real2 * vertices
Definition: gridWrap.h:105
Real * u_values
Definition: gridWrap.h:52
float Real
Definition: definitions.h:36
Int get_n_ulines()
Definition: gridWrap.h:71
Int is_uniform
Definition: gridWrap.h:55
Int * innerIndices
Definition: gridWrap.h:101
gridBoundaryChain(gridWrap *gr, Int first_vline_index, Int n_vlines, Int *uline_indices, Int *inner_indices)
Definition: gridWrap.cc:177
Real get_v_max()
Definition: gridWrap.h:76
Real Real2[2]
Definition: definitions.h:38
void outputFanWithPoint(Int v, Int uleft, Int uright, Real vert[2], primStream *pStream)
Definition: gridWrap.cc:137
gridWrap * grid
Definition: gridWrap.h:97
Int isUniform()
Definition: gridWrap.h:93
~gridWrap()
Definition: gridWrap.cc:121
Real u_min
Definition: gridWrap.h:45
Int n_vlines
Definition: gridWrap.h:44
int Int
Definition: definitions.h:37