ReactOS  0.4.11-dev-465-g0e6bc23
arc.h
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1 /*
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30 
31 /*
32  * arc.h
33  *
34  */
35 
36 #ifndef __gluarc_h_
37 #define __gluarc_h_
38 
39 //#include "myassert.h"
40 #include "bufpool.h"
41 #include "mystdio.h"
42 //#include "types.h"
43 #include "pwlarc.h"
44 #include "trimvertex.h"
45 
46 class Bin;
47 class Arc;
48 struct BezierArc;
49 
50 typedef class Arc *Arc_ptr;
51 
53 
54 
55 class Arc: public PooledObj { /* an arc, in two list, the trim list and bin */
56 
57 public:
58  static const int bezier_tag;
59  static const int arc_tag;
60  static const int tail_tag;
61  Arc_ptr prev; /* trim list pointer */
62  Arc_ptr next; /* trim list pointer */
63  Arc_ptr link; /* bin pointers */
64  BezierArc * bezierArc; /* associated bezier arc */
65  PwlArc * pwlArc; /* associated pwl arc */
66  long type; /* curve type */
67  long nuid;
68 
69  inline Arc( Arc *, PwlArc * );
70  inline Arc( arc_side, long );
71 
72  Arc_ptr append( Arc_ptr );
73  int check( void );
74  int isMonotone( void );
75  int isDisconnected( void );
76  int numpts( void );
77  void markverts( void );
78  void getextrema( Arc_ptr[4] );
79  void print( void );
80  void show( void );
81  void makeSide( PwlArc *, arc_side );
82  inline int isTessellated() { return pwlArc ? 1 : 0; }
83  inline long isbezier() { return type & bezier_tag; }
84  inline void setbezier() { type |= bezier_tag; }
85  inline void clearbezier() { type &= ~bezier_tag; }
86  inline long npts() { return pwlArc->npts; }
87  inline TrimVertex * pts() { return pwlArc->pts; }
88  inline REAL * tail() { return pwlArc->pts[0].param; }
89  inline REAL * head() { return next->pwlArc->pts[0].param; }
90  inline REAL * rhead() { return pwlArc->pts[pwlArc->npts-1].param; }
91  inline long ismarked() { return type & arc_tag; }
92  inline void setmark() { type |= arc_tag; }
93  inline void clearmark() { type &= (~arc_tag); }
94  inline void clearside() { type &= ~(0x7 << 8); }
95  inline void setside( arc_side s ) { clearside(); type |= (((long)s)<<8); }
96  inline arc_side getside() { return (arc_side) ((type>>8) & 0x7); }
97  inline int getitail() { return type & tail_tag; }
98  inline void setitail() { type |= tail_tag; }
99  inline void clearitail() { type &= (~tail_tag); }
100 };
101 
102 /*--------------------------------------------------------------------------
103  * Arc - initialize a new Arc with the same type and uid of
104  * a given Arc and a given pwl arc
105  *--------------------------------------------------------------------------
106  */
107 
108 inline
110 {
111  prev = NULL;
112  next = NULL;
113  link = NULL;
114  bezierArc = NULL;
115  pwlArc = p;
116  type = j->type;
117  nuid = j->nuid;
118 }
119 
120 /*--------------------------------------------------------------------------
121  * Arc - initialize a new Arc with the same type and uid of
122  * a given Arc and a given pwl arc
123  *--------------------------------------------------------------------------
124  */
125 
126 inline
127 Arc::Arc( arc_side side, long _nuid )
128 {
129  prev = NULL;
130  next = NULL;
131  link = NULL;
132  bezierArc = NULL;
133  pwlArc = NULL;
134  type = 0;
135  setside( side );
136  nuid = _nuid;
137 }
138 
139 #endif /* __gluarc_h_ */
long type
Definition: arc.h:66
int npts
Definition: pwlarc.h:47
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
arc_side
Definition: arc.h:52
REAL * rhead()
Definition: arc.h:90
REAL * tail()
Definition: arc.h:88
Definition: arc.h:52
void setmark()
Definition: arc.h:92
int isDisconnected(void)
Definition: arc.cc:194
void setbezier()
Definition: arc.h:84
Definition: pwlarc.h:44
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
Arc(Arc *, PwlArc *)
Definition: arc.h:109
void clearmark()
Definition: arc.h:93
int numpts(void)
Definition: arc.cc:80
Arc_ptr next
Definition: arc.h:62
TrimVertex * pts()
Definition: arc.h:87
Definition: arc.h:55
void makeSide(PwlArc *, arc_side)
Definition: arc.cc:62
void clearbezier()
Definition: arc.h:85
long ismarked()
Definition: arc.h:91
Definition: arc.h:52
long nuid
Definition: arc.h:67
Definition: arc.h:52
smooth NULL
Definition: ftsmooth.c:416
Definition: bin.h:43
void setitail()
Definition: arc.h:98
int isTessellated()
Definition: arc.h:82
static const int tail_tag
Definition: arc.h:60
void markverts(void)
Definition: arc.cc:97
void clearside()
Definition: arc.h:94
void show(void)
Definition: arc.cc:155
static const int bezier_tag
Definition: arc.h:58
unsigned long
Definition: typeof.h:99
static const int arc_tag
Definition: arc.h:59
void clearitail()
Definition: arc.h:99
GLdouble s
Definition: gl.h:2039
Definition: arc.h:52
int check(void)
Definition: arc.cc:237
long isbezier()
Definition: arc.h:83
PwlArc * pwlArc
Definition: arc.h:65
void setside(arc_side s)
Definition: arc.h:95
class Arc * Arc_ptr
Definition: arc.h:50
void print(void)
Definition: arc.cc:172
arc_side getside()
Definition: arc.h:96
int isMonotone(void)
long npts()
Definition: arc.h:86
int getitail()
Definition: arc.h:97
REAL param[2]
Definition: trimvertex.h:45
Arc_ptr prev
Definition: arc.h:61
GLfloat GLfloat p
Definition: glext.h:8902
float REAL
Definition: types.h:41
REAL * head()
Definition: arc.h:89
TrimVertex * pts
Definition: pwlarc.h:46
Arc_ptr append(Arc_ptr)
Definition: arc.cc:335
BezierArc * bezierArc
Definition: arc.h:64
Arc_ptr link
Definition: arc.h:63
void getextrema(Arc_ptr[4])
Definition: arc.cc:115
Definition: arc.h:52