diff options
Diffstat (limited to '3rdParty/LibVNC/src/rfb/rfbregion.h')
-rwxr-xr-x | 3rdParty/LibVNC/src/rfb/rfbregion.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/3rdParty/LibVNC/src/rfb/rfbregion.h b/3rdParty/LibVNC/src/rfb/rfbregion.h new file mode 100755 index 0000000..53da667 --- /dev/null +++ b/3rdParty/LibVNC/src/rfb/rfbregion.h @@ -0,0 +1,65 @@ +#ifndef SRAREGION_H +#define SRAREGION_H + +/* -=- SRA - Simple Region Algorithm + * A simple rectangular region implementation. + * Copyright (c) 2001 James "Wez" Weatherall, Johannes E. Schindelin + */ + +/* -=- sraRect */ + +typedef struct _rect { + int x1; + int y1; + int x2; + int y2; +} sraRect; + +typedef struct sraRegion sraRegion; + +/* -=- Region manipulation functions */ + +extern sraRegion *sraRgnCreate(); +extern sraRegion *sraRgnCreateRect(int x1, int y1, int x2, int y2); +extern sraRegion *sraRgnCreateRgn(const sraRegion *src); + +extern void sraRgnDestroy(sraRegion *rgn); +extern void sraRgnMakeEmpty(sraRegion *rgn); +extern rfbBool sraRgnAnd(sraRegion *dst, const sraRegion *src); +extern void sraRgnOr(sraRegion *dst, const sraRegion *src); +extern rfbBool sraRgnSubtract(sraRegion *dst, const sraRegion *src); + +extern void sraRgnOffset(sraRegion *dst, int dx, int dy); + +extern rfbBool sraRgnPopRect(sraRegion *region, sraRect *rect, + unsigned long flags); + +extern unsigned long sraRgnCountRects(const sraRegion *rgn); +extern rfbBool sraRgnEmpty(const sraRegion *rgn); + +extern sraRegion *sraRgnBBox(const sraRegion *src); + +/* -=- rectangle iterator */ + +typedef struct sraRectangleIterator { + rfbBool reverseX,reverseY; + int ptrSize,ptrPos; + struct sraSpan** sPtrs; +} sraRectangleIterator; + +extern sraRectangleIterator *sraRgnGetIterator(sraRegion *s); +extern sraRectangleIterator *sraRgnGetReverseIterator(sraRegion *s,rfbBool reverseX,rfbBool reverseY); +extern rfbBool sraRgnIteratorNext(sraRectangleIterator *i,sraRect *r); +extern void sraRgnReleaseIterator(sraRectangleIterator *i); + +void sraRgnPrint(const sraRegion *s); + +/* -=- Rectangle clipper (for speed) */ + +extern rfbBool sraClipRect(int *x, int *y, int *w, int *h, + int cx, int cy, int cw, int ch); + +extern rfbBool sraClipRect2(int *x, int *y, int *x2, int *y2, + int cx, int cy, int cx2, int cy2); + +#endif |