ReactOS  0.4.15-dev-494-g1d8c567
Varray Class Reference

#include <varray.h>

Public Member Functions

 Varray ()
 
 ~Varray ()
 
long init (REAL, Arc *, Arc *)
 

Public Attributes

REALvarray
 
REAL vval [1000]
 
long voffset [1000]
 
long numquads
 

Private Member Functions

void update (Arc *, long[2], REAL)
 
void grow (long)
 
void append (REAL)
 

Private Attributes

long size
 

Detailed Description

Definition at line 43 of file varray.h.

Constructor & Destructor Documentation

◆ Varray()

Varray::Varray ( void  )

Definition at line 54 of file varray.cc.

55 {
56  int i;
57 
58  varray = 0;
59  size = 0;
60  numquads = 0;
61 
62  for (i = 0; i < 1000; i++) {
63  vval[i] = 0;
64  voffset[i] = 0;
65  }
66 }
long numquads
Definition: varray.h:51
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
REAL vval[1000]
Definition: varray.h:49
GLsizeiptr size
Definition: glext.h:5919
long voffset[1000]
Definition: varray.h:50
REAL * varray
Definition: varray.h:48

◆ ~Varray()

Varray::~Varray ( void  )

Definition at line 68 of file varray.cc.

69 {
70  if( varray ) delete[] varray;
71 }
REAL * varray
Definition: varray.h:48

Member Function Documentation

◆ append()

void Varray::append ( REAL  v)
inlineprivate

Definition at line 61 of file varray.h.

62 {
63  if( v != vval[numquads] )
64  vval[++numquads] = v;
65 }
long numquads
Definition: varray.h:51
REAL vval[1000]
Definition: varray.h:49
const GLdouble * v
Definition: gl.h:2040

Referenced by init(), and update().

◆ grow()

void Varray::grow ( long  guess)
private

Definition at line 87 of file varray.cc.

88 {
89  if( size < guess ) {
90  size = guess * 2;
91  if( varray ) delete[] varray;
92  varray = new REAL[size];
93  assert( varray != 0 );
94  }
95 }
#define assert(x)
Definition: debug.h:53
GLsizeiptr size
Definition: glext.h:5919
long size
Definition: varray.h:54
float REAL
Definition: types.h:41
REAL * varray
Definition: varray.h:48

Referenced by init().

◆ init()

long Varray::init ( REAL  ,
Arc ,
Arc  
)

Definition at line 98 of file varray.cc.

99 {
100  Arc_ptr left = toparc->next;
101  Arc_ptr right = toparc;
102  long ldir[2], rdir[2];
103 
104  ldir[0] = sgn( left->tail()[0] - left->prev->tail()[0] );
105  ldir[1] = sgn( left->tail()[1] - left->prev->tail()[1] );
106  rdir[0] = sgn( right->tail()[0] - right->prev->tail()[0] );
107  rdir[1] = sgn( right->tail()[1] - right->prev->tail()[1] );
108 
109  vval[0] = toparc->tail()[1];
110  numquads = 0;
111 
112  while( 1 ) {
113  switch( sgn( left->tail()[1] - right->prev->tail()[1] ) ) {
114  case 1:
115  left = left->next;
116  update( left, ldir, left->prev->tail()[1] );
117  break;
118  case -1:
119  right = right->prev;
120  update( right, rdir, right->tail()[1] );
121  break;
122  case 0:
123  if( glu_abs(left->tail()[1] - botarc->tail()[1]) < TINY) goto end;
124  if( glu_abs(left->tail()[0]-right->prev->tail()[0]) < TINY &&
125  glu_abs(left->tail()[1]-right->prev->tail()[1]) < TINY) goto end;
126  left = left->next;
127  break;
128  }
129  }
130 
131 end:
132  append( botarc->tail()[1] );
133 
134  grow( ((long) ((vval[0] - vval[numquads])/delta)) + numquads + 2 );
135 
136  long i, index = 0;
137  for( i=0; i<numquads; i++ ) {
138  voffset[i] = index;
139  varray[index++] = vval[i];
140  REAL dist = vval[i] - vval[i+1];
141  if( dist > delta ) {
142  long steps = ((long) (dist/delta)) +1;
143  float deltav = - dist / (REAL) steps;
144  for( long j=1; j<steps; j++ )
145  varray[index++] = vval[i] + j * deltav;
146  }
147  }
148  voffset[i] = index;
149  varray[index] = vval[i];
150  return index;
151 }
long numquads
Definition: varray.h:51
long sgn(REAL x)
Definition: varray.cc:48
REAL glu_abs(REAL x)
Definition: simplemath.h:50
GLuint GLuint end
Definition: gl.h:1545
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
REAL vval[1000]
Definition: varray.h:49
static DWORD DWORD DWORD DWORD * steps
Definition: cursoricon.c:1638
GLuint index
Definition: glext.h:6031
void grow(long)
Definition: varray.cc:87
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
GLint left
Definition: glext.h:7726
GLdouble GLdouble right
Definition: glext.h:10859
#define index(s, c)
Definition: various.h:29
class Arc * Arc_ptr
Definition: arc.h:50
#define long
Definition: qsort.c:33
#define TINY
Definition: varray.cc:47
void update(Arc *, long[2], REAL)
Definition: varray.cc:74
void append(REAL)
Definition: varray.h:61
float REAL
Definition: types.h:41
long voffset[1000]
Definition: varray.h:50
REAL * varray
Definition: varray.h:48

Referenced by Slicer::slice_old().

◆ update()

void Varray::update ( Arc ,
long  [2],
REAL   
)
inlineprivate

Definition at line 74 of file varray.cc.

75 {
76  register long ds = sgn(arc->tail()[0] - arc->prev->tail()[0]);
77  register long dt = sgn(arc->tail()[1] - arc->prev->tail()[1]);
78 
79  if( dir[0] != ds || dir[1] != dt ) {
80  dir[0] = ds;
81  dir[1] = dt;
82  append( val );
83  }
84 }
long sgn(REAL x)
Definition: varray.cc:48
#define ds
Definition: i386-dis.c:434
unsigned int dir
Definition: maze.c:112
GLuint GLfloat * val
Definition: glext.h:7180
void append(REAL)
Definition: varray.h:61

Referenced by init().

Member Data Documentation

◆ numquads

long Varray::numquads

Definition at line 51 of file varray.h.

Referenced by append(), init(), Slicer::slice_old(), and Varray().

◆ size

long Varray::size
private

Definition at line 54 of file varray.h.

Referenced by grow().

◆ varray

REAL* Varray::varray

Definition at line 48 of file varray.h.

Referenced by grow(), init(), Slicer::slice_old(), Varray(), and ~Varray().

◆ voffset

long Varray::voffset[1000]

Definition at line 50 of file varray.h.

Referenced by init(), Slicer::slice_old(), and Varray().

◆ vval

REAL Varray::vval[1000]

Definition at line 49 of file varray.h.

Referenced by append(), init(), Slicer::slice_old(), and Varray().


The documentation for this class was generated from the following files: