polygrf.h File Reference

#include <ossim/vpfutil/protomas.h>
#include <ossim/vpfutil/xmemory.h>

Go to the source code of this file.

Classes
struct	IPoint
struct	ISegment
struct	BresSegment
struct	IBox
struct	ITransform
struct	vpfPattern
struct	BitArray
struct	ArrayOfBits
struct	Shademap

Macros
#define	TRANSFORMSPACE   0
#define	USERSPACE   1
#define	isBox(BOX)   ((BOX.delta.x >= 0)&&(BOX.delta.y >= 0))
#define	MINIMUM(x, y)   (((x) > (y))? (y) : (x))
#define	MAXIMUM(x, y)   (((x) < (y))? (y) : (x))
#define	OUTSIDE(MAP, VPF_POINT_STRUCT)
#define	OUTSIDE_X(MAP, value)   (((value)< 0)||((value)> MAP.bounding.x))
#define	OUTSIDE_Y(MAP, value)   (((value)< 0)||((value)> MAP.bounding.y))
#define	GETBIT(MAP, VPF_POINT_STRUCT)   (((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))])&(1<<((VPF_POINT_STRUCT.x)%8)))? 1: 0)
#define	SETBIT(MAP, VPF_POINT_STRUCT)   ((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))]) |= (1<<((VPF_POINT_STRUCT.x)%8)))
#define	CLEARBIT(MAP, VPF_POINT_STRUCT)   ((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))]) &= ~(1<<((VPF_POINT_STRUCT.x)%8)))
#define	TOGGLEBIT(MAP, VPF_POINT_STRUCT)   ((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))]) ^= (1<<((VPF_POINT_STRUCT.x)%8)))
#define	LEFTBITS(INDEX)   (255&(~(255<<(1+(INDEX)))))
#define	RIGHTBITS(INDEX)   (255&(~(255>>(8-(INDEX)))))
#define	FILLBRESSEG(bseg, seg)
#define	STEP(bseg)
#define	SOLID   0
#define	STRIPS   1
#define	STRIPES   1
#define	SIMPLE   2

Typedefs
typedef unsigned char	Color

Functions
ISegment	MakeISegment (IPoint from, IPoint to)
IBox	MakeIBox (IPoint from, IPoint to)
ITransform	MakeITransform (IBox from, IBox to)
IPoint	TranslateIPoint (ITransform transform, IPoint a, int flag)
ISegment	TranslateISegment (ITransform transform, ISegment a, int flay)
IBox	TranslateIBox (ITransform transform, IBox a, int flag)
IBox	AndIBox (IBox a, IBox b)
void	SETROW (ArrayOfBits MAP, int XMIN, int XMAX, int Y)
void	CLEARROW (ArrayOfBits MAP, int XMIN, int XMAX, int Y)
void	TOGGLEROW (ArrayOfBits MAP, int XMIN, int XMAX, int Y)
void	SETCOLUMN (ArrayOfBits MAP, int X, int YMIN, int YMAX)
void	CLEARCOLUMN (ArrayOfBits MAP, int X, int YMIN, int YMAX)
void	TOGGLECOLUMN (ArrayOfBits MAP, int X, int YMIN, int YMAX)
ArrayOfBits	MakeArrayOfBits (int deltaX, int deltaY)
int	FreeArrayOfBits (ArrayOfBits map)
int	ClearArrayOfBits (ArrayOfBits map)
int	PointGetBit (ArrayOfBits map, IPoint point)
int	PointSetBit (ArrayOfBits map, IPoint at, int value)
int	PointAndBit (ArrayOfBits map, IPoint at, int value)
int	PointOrBit (ArrayOfBits map, IPoint at, int value)
int	PointXorBit (ArrayOfBits map, IPoint at, int value)
int	LineSetBit (ArrayOfBits map, ISegment seg, int value)
int	LineAndBit (ArrayOfBits map, ISegment seg, int value)
int	LineOrBit (ArrayOfBits map, ISegment seg, int value)
int	LineXorBit (ArrayOfBits map, ISegment seg, int value)
int	BoxSetBit (ArrayOfBits map, IBox box, int value)
int	BoxAndBit (ArrayOfBits map, IBox box, int value)
int	BoxOrBit (ArrayOfBits map, IBox box, int value)
int	BoxXorBit (ArrayOfBits map, IBox box, int value)
int	TrapezoidSetBit (ArrayOfBits map, ISegment seg, int value)
int	TrapezoidAndBit (ArrayOfBits map, ISegment seg, int value)
int	TrapezoidOrBit (ArrayOfBits map, ISegment seg, int value)
int	TrapezoidXorBit (ArrayOfBits map, ISegment seg, int value)
int	SetArrayOfBits (ArrayOfBits map, int value)
int	AndArrayOfBits (ArrayOfBits map, int value)
int	OrArrayOfBits (ArrayOfBits map, ISegment seg, int value)
int	XorArrayOfBits (ArrayOfBits map, ISegment seg, int value)
Shademap *	OpenShade (IBox bounding, IBox window, Color line, vpfPattern fill)
int	ModifyShade (Shademap *smap, Color line, vpfPattern fill)
int	WriteShade (Shademap *smap, IPoint point)
int	CloseLoop (Shademap *smap)
int	CloseShade (Shademap *smap)
int	OutShade (Shademap *smap)
vpfPattern	MakePattern (int ll, int lr, int ul, int ur)

Macro Definition Documentation

CLEARBIT

#define CLEARBIT	(		MAP,
			VPF_POINT_STRUCT
	)		((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))]) &= ~(1<<((VPF_POINT_STRUCT.x)%8)))

Definition at line 201 of file polygrf.h.

FILLBRESSEG

#define FILLBRESSEG	(		bseg,
			seg
	)

Value:

{                                                  \
  int tempx,tempy;                                 \
  bseg.signs.x = (seg.delta.x < 0) ? -1: 1;        \
  bseg.signs.y = (seg.delta.y < 0) ? -1: 1;        \
  tempx = seg.delta.x * bseg.signs.x;              \
  tempy = seg.delta.y * bseg.signs.y;              \
  bseg.at = seg.origin;                            \
                                                   \
  if (tempy > tempx)                               \
    {                                              \
      bseg.Eprim        = (tempx<<1) - tempy;      \
      bseg.errors.inc   = (tempx<<1);              \
      bseg.errors.step  = (tempx<<1) - (tempy<<1); \
      bseg.maximum      = tempy;                   \
      bseg.toggle       = 1;                       \
    }                                              \
  else                                             \
    {                                              \
      bseg.Eprim        = (tempy<<1) - tempx;      \
      bseg.errors.inc   = (tempy<<1);              \
      bseg.errors.step  = (tempy<<1) - (tempx<<1); \
      bseg.maximum      = tempx;                   \
      bseg.toggle       = 0;                       \
    }                                              \
}

Definition at line 210 of file polygrf.h.

GETBIT

#define GETBIT	(		MAP,
			VPF_POINT_STRUCT
	)		(((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))])&(1<<((VPF_POINT_STRUCT.x)%8)))? 1: 0)

Definition at line 195 of file polygrf.h.

isBox

#define isBox

(

BOX

)

((BOX.delta.x >= 0)&&(BOX.delta.y >= 0))

Definition at line 96 of file polygrf.h.

LEFTBITS

#define LEFTBITS

(

INDEX

)

(255&(~(255<<(1+(INDEX)))))

Definition at line 207 of file polygrf.h.

MAXIMUM

#define MAXIMUM	(		x,
			y
	)		(((x) < (y))? (y) : (x))

Definition at line 184 of file polygrf.h.

MINIMUM

#define MINIMUM	(		x,
			y
	)		(((x) > (y))? (y) : (x))

Definition at line 183 of file polygrf.h.

OUTSIDE

#define OUTSIDE	(		MAP,
			VPF_POINT_STRUCT
	)

Value:

((VPF_POINT_STRUCT.x < 0)||                      \
    (VPF_POINT_STRUCT.y < 0)||                      \
    (VPF_POINT_STRUCT.x > MAP.bounding.x)||   \
    (VPF_POINT_STRUCT.y > MAP.bounding.y))

Definition at line 186 of file polygrf.h.

OUTSIDE_X

#define OUTSIDE_X	(		MAP,
			value
	)		(((value)< 0)||((value)> MAP.bounding.x))

Definition at line 192 of file polygrf.h.

OUTSIDE_Y

#define OUTSIDE_Y	(		MAP,
			value
	)		(((value)< 0)||((value)> MAP.bounding.y))

Definition at line 193 of file polygrf.h.

RIGHTBITS

#define RIGHTBITS

(

INDEX

)

(255&(~(255>>(8-(INDEX)))))

Definition at line 208 of file polygrf.h.

SETBIT

#define SETBIT	(		MAP,
			VPF_POINT_STRUCT
	)		((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))]) |= (1<<((VPF_POINT_STRUCT.x)%8)))

Definition at line 198 of file polygrf.h.

SIMPLE

#define SIMPLE   2

Definition at line 401 of file polygrf.h.

SOLID

#define SOLID   0

Definition at line 398 of file polygrf.h.

STEP

#define STEP

(

bseg

)

Value:

if (bseg.maximum){                     \
   if(bseg.Eprim<0)                    \
     {                                 \
       bseg.Eprim += bseg.errors.inc;  \
       if (bseg.toggle)                \
         bseg.at.y  += bseg.signs.y;   \
       else                            \
         bseg.at.x  += bseg.signs.x;   \
       bseg.maximum--;                 \
     }                                 \
   else                                \
     {                                 \
       bseg.Eprim += bseg.errors.step; \
       bseg.at.x  += bseg.signs.x;     \
       bseg.at.y  += bseg.signs.y;     \
       bseg.maximum--;                 \
     }                                 \
   }

Definition at line 238 of file polygrf.h.

Referenced by ossimImageData::createTestTile(), and ossimH5GridModel::getWktFootprint().

STRIPES

#define STRIPES   1

Definition at line 400 of file polygrf.h.

STRIPS

#define STRIPS   1

Definition at line 399 of file polygrf.h.

TOGGLEBIT

#define TOGGLEBIT	(		MAP,
			VPF_POINT_STRUCT
	)		((MAP.array[(((VPF_POINT_STRUCT.y)*(MAP.rowcount))+((VPF_POINT_STRUCT.x)>>3))]) ^= (1<<((VPF_POINT_STRUCT.x)%8)))

Definition at line 204 of file polygrf.h.

TRANSFORMSPACE

#define TRANSFORMSPACE   0

Definition at line 49 of file polygrf.h.

USERSPACE

#define USERSPACE   1

Definition at line 50 of file polygrf.h.

Typedef Documentation

Color

typedef unsigned char Color

Definition at line 52 of file polygrf.h.

Function Documentation

AndArrayOfBits()

int AndArrayOfBits	(	ArrayOfBits	map,
		int	value
	)

AndIBox()

IBox AndIBox	(	IBox	a,
		IBox	b
	)

BoxAndBit()

int BoxAndBit	(	ArrayOfBits	map,
		IBox	box,
		int	value
	)

BoxOrBit()

int BoxOrBit	(	ArrayOfBits	map,
		IBox	box,
		int	value
	)

BoxSetBit()

int BoxSetBit	(	ArrayOfBits	map,
		IBox	box,
		int	value
	)

BoxXorBit()

int BoxXorBit	(	ArrayOfBits	map,
		IBox	box,
		int	value
	)

ClearArrayOfBits()

int ClearArrayOfBits

(

ArrayOfBits

map

)

CLEARCOLUMN()

void CLEARCOLUMN	(	ArrayOfBits	MAP,
		int	X,
		int	YMIN,
		int	YMAX
	)

CLEARROW()

void CLEARROW	(	ArrayOfBits	MAP,
		int	XMIN,
		int	XMAX,
		int	Y
	)

CloseLoop()

int CloseLoop

(

Shademap *

smap

)

CloseShade()

int CloseShade

(

Shademap *

smap

)

FreeArrayOfBits()

int FreeArrayOfBits

(

ArrayOfBits

map

)

LineAndBit()

int LineAndBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

LineOrBit()

int LineOrBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

LineSetBit()

int LineSetBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

LineXorBit()

int LineXorBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

MakeArrayOfBits()

ArrayOfBits MakeArrayOfBits	(	int	deltaX,
		int	deltaY
	)

MakeIBox()

IBox MakeIBox	(	IPoint	from,
		IPoint	to
	)

MakeISegment()

ISegment MakeISegment	(	IPoint	from,
		IPoint	to
	)

MakeITransform()

ITransform MakeITransform	(	IBox	from,
		IBox	to
	)

MakePattern()

vpfPattern MakePattern	(	int	ll,
		int	lr,
		int	ul,
		int	ur
	)

ModifyShade()

int ModifyShade	(	Shademap *	smap,
		Color	line,
		vpfPattern	fill
	)

OpenShade()

Shademap* OpenShade	(	IBox	bounding,
		IBox	window,
		Color	line,
		vpfPattern	fill
	)

OrArrayOfBits()

int OrArrayOfBits	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

OutShade()

int OutShade

(

Shademap *

smap

)

PointAndBit()

int PointAndBit	(	ArrayOfBits	map,
		IPoint	at,
		int	value
	)

PointGetBit()

int PointGetBit	(	ArrayOfBits	map,
		IPoint	point
	)

PointOrBit()

int PointOrBit	(	ArrayOfBits	map,
		IPoint	at,
		int	value
	)

PointSetBit()

int PointSetBit	(	ArrayOfBits	map,
		IPoint	at,
		int	value
	)

PointXorBit()

int PointXorBit	(	ArrayOfBits	map,
		IPoint	at,
		int	value
	)

SetArrayOfBits()

int SetArrayOfBits	(	ArrayOfBits	map,
		int	value
	)

SETCOLUMN()

void SETCOLUMN	(	ArrayOfBits	MAP,
		int	X,
		int	YMIN,
		int	YMAX
	)

SETROW()

void SETROW	(	ArrayOfBits	MAP,
		int	XMIN,
		int	XMAX,
		int	Y
	)

TOGGLECOLUMN()

void TOGGLECOLUMN	(	ArrayOfBits	MAP,
		int	X,
		int	YMIN,
		int	YMAX
	)

TOGGLEROW()

void TOGGLEROW	(	ArrayOfBits	MAP,
		int	XMIN,
		int	XMAX,
		int	Y
	)

TranslateIBox()

IBox TranslateIBox	(	ITransform	transform,
		IBox	a,
		int	flag
	)

TranslateIPoint()

IPoint TranslateIPoint	(	ITransform	transform,
		IPoint	a,
		int	flag
	)

TranslateISegment()

ISegment TranslateISegment	(	ITransform	transform,
		ISegment	a,
		int	flay
	)

TrapezoidAndBit()

int TrapezoidAndBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

TrapezoidOrBit()

int TrapezoidOrBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

TrapezoidSetBit()

int TrapezoidSetBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

TrapezoidXorBit()

int TrapezoidXorBit	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)

WriteShade()

int WriteShade	(	Shademap *	smap,
		IPoint	point
	)

XorArrayOfBits()

int XorArrayOfBits	(	ArrayOfBits	map,
		ISegment	seg,
		int	value
	)