ReactOS  0.4.14-dev-50-g13bb5e2
primitiveStream.h
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30 /*
31 */
32 
33 /*we do not use the constans GL_... so that this file is independent of
34  *<GL/gl.h>
35  */
36 
37 #ifndef _PRIMITIVE_STREAM_H
38 #define _PRIMITIVE_STREAM_H
39 
41 
42 #include "definitions.h"
43 
44 class primStream {
45  Int *lengths; /*length[i]=number of vertices of ith primitive*/
46  Int *types; /*each primive has a type: FAN or STREAM*/
47  Real *vertices; /*the size >= 2 * num_vertices, each vertex (u,v)*/
48 
49  /*the following size information are used for dynamic arrays*/
50  Int index_lengths; /*the current available entry*/
51  Int size_lengths; /*the allocated size of the array: lengths*/
54 
55  /*the vertex is inserted one by one. counter is used to
56  *count the number of vertices which have been inserted so far in
57  *the current primitive
58  */
60 
61 public:
62  primStream(Int sizeLengths, Int sizeVertices);
63  ~primStream();
64 
65  Int get_n_prims() //num of primitives
66  {
67  return index_lengths;
68  }
69  Int get_type(Int i) //the type of ith primitive
70  {
71  return types[i];
72  }
73  Int get_length(Int i) //the length of the ith primitive
74  {
75  return lengths[i];
76  }
77  Real* get_vertices() {return vertices;}
78 
79  /*the begining of inserting a new primitive.
80  *reset counter to be 0.
81  */
82  void begin();
83  void insert(Real u, Real v);
84  void insert(Real v[2]) {insert(v[0], v[1]);}
85  void end(Int type);
86 
88 
89  void triangle(Real A[2], Real B[2], Real C[2])
90  {
91  begin();
92  insert(A);
93  insert(B);
94  insert(C);
96  }
97  void print();
98  void draw(); /*using GL to draw the primitives*/
99 };
100 
101 
102 
103 
104 
105 
106 
107 
108 #endif
109 
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
Int get_length(Int i)
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
void insert(Real u, Real v)
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
void triangle(Real A[2], Real B[2], Real C[2])
Definition: cmds.c:130
Real * get_vertices()
Definition: ttei1.cpp:12
Int get_type(Int i)
Real * vertices
void insert(Real v[2])
const GLdouble * v
Definition: gl.h:2040
Definition: ttei6.cpp:27
#define B(row, col)
float Real
Definition: definitions.h:36
void end(Int type)
Int get_n_prims()
primStream(Int sizeLengths, Int sizeVertices)
GLsizei GLenum GLenum GLuint GLenum GLsizei * lengths
Definition: glext.h:7753
Int num_triangles()
int Int
Definition: definitions.h:37