diff options
Diffstat (limited to 'nx-X11/programs/Xserver/include/regionstr.h')
| -rw-r--r-- | nx-X11/programs/Xserver/include/regionstr.h | 486 |
1 files changed, 242 insertions, 244 deletions
diff --git a/nx-X11/programs/Xserver/include/regionstr.h b/nx-X11/programs/Xserver/include/regionstr.h index cf41170a6..ace8031e0 100644 --- a/nx-X11/programs/Xserver/include/regionstr.h +++ b/nx-X11/programs/Xserver/include/regionstr.h @@ -51,7 +51,9 @@ SOFTWARE. #ifndef REGIONSTRUCT_H #define REGIONSTRUCT_H -typedef struct _Region RegionRec, *RegionPtr; +#include <pixman.h> + +typedef struct pixman_region16 RegionRec, *RegionPtr; #include <stddef.h> #include <limits.h> @@ -70,347 +72,343 @@ typedef struct _Region RegionRec, *RegionPtr; * clip region */ -typedef struct _RegData { - long size; - long numRects; -/* BoxRec rects[size]; in memory but not explicitly declared */ -} RegDataRec, *RegDataPtr; - -struct _Region { - BoxRec extents; - RegDataPtr data; -}; - -extern BoxRec miEmptyBox; -extern RegDataRec miEmptyData; -extern RegDataRec miBrokenData; - -#define REGION_NIL(reg) ((reg)->data && !(reg)->data->numRects) -/* not a region */ -#define REGION_NAR(reg) ((reg)->data == &miBrokenData) -#define REGION_NUM_RECTS(reg) ((reg)->data ? (reg)->data->numRects : 1) -#define REGION_SIZE(reg) ((reg)->data ? (reg)->data->size : 0) -#define REGION_RECTS(reg) ((reg)->data ? (BoxPtr)((reg)->data + 1) \ - : &(reg)->extents) -#define REGION_BOXPTR(reg) ((BoxPtr)((reg)->data + 1)) -#define REGION_BOX(reg,i) (®ION_BOXPTR(reg)[i]) -#define REGION_TOP(reg) REGION_BOX(reg, (reg)->data->numRects) -#define REGION_END(reg) REGION_BOX(reg, (reg)->data->numRects - 1) -#define REGION_SZOF(n) (n < ((INT_MAX - sizeof(RegDataRec)) / sizeof(BoxRec)) ? sizeof(RegDataRec) + ((n) * sizeof(BoxRec)) : 0) - -/* Keith recommends weaning the region code of pScreen argument */ -#define REG_pScreen screenInfo.screens[0] - -#ifdef NEED_SCREEN_REGIONS - -#define REGION_CREATE(_pScreen, _rect, _size) \ - (*(REG_pScreen)->RegionCreate)(_rect, _size) - -#define REGION_INIT(_pScreen, _pReg, _rect, _size) \ - (*(REG_pScreen)->RegionInit)(_pReg, _rect, _size) - -#define REGION_COPY(_pScreen, dst, src) \ - (*(REG_pScreen)->RegionCopy)(dst, src) - -#define REGION_DESTROY(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionDestroy)(_pReg) - -#define REGION_UNINIT(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionUninit)(_pReg) - -#define REGION_INTERSECT(_pScreen, newReg, reg1, reg2) \ - (*(REG_pScreen)->Intersect)(newReg, reg1, reg2) - -#define REGION_UNION(_pScreen, newReg, reg1, reg2) \ - (*(REG_pScreen)->Union)(newReg, reg1, reg2) - -#define REGION_SUBTRACT(_pScreen, newReg, reg1, reg2) \ - (*(REG_pScreen)->Subtract)(newReg, reg1, reg2) - -#define REGION_INVERSE(_pScreen, newReg, reg1, invRect) \ - (*(REG_pScreen)->Inverse)(newReg, reg1, invRect) - -#define REGION_RESET(_pScreen, _pReg, _pBox) \ - (*(REG_pScreen)->RegionReset)(_pReg, _pBox) - -#define REGION_TRANSLATE(_pScreen, _pReg, _x, _y) \ - (*(REG_pScreen)->TranslateRegion)(_pReg, _x, _y) - -#define RECT_IN_REGION(_pScreen, _pReg, prect) \ - (*(REG_pScreen)->RectIn)(_pReg, prect) - -#define POINT_IN_REGION(_pScreen, _pReg, _x, _y, prect) \ - (*(REG_pScreen)->PointInRegion)(_pReg, _x, _y, prect) - -#define REGION_NOTEMPTY(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionNotEmpty)(_pReg) - -#define REGION_EQUAL(_pScreen, _pReg1, _pReg2) \ - (*(REG_pScreen)->RegionEqual)(_pReg1, _pReg2) - -#define REGION_BROKEN(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionBroken)(_pReg) - -#define REGION_BREAK(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionBreak)(_pReg) - -#define REGION_EMPTY(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionEmpty)(_pReg) - -#define REGION_EXTENTS(_pScreen, _pReg) \ - (*(REG_pScreen)->RegionExtents)(_pReg) - -#define REGION_APPEND(_pScreen, dstrgn, rgn) \ - (*(REG_pScreen)->RegionAppend)(dstrgn, rgn) - -#define REGION_VALIDATE(_pScreen, badreg, pOverlap) \ - (*(REG_pScreen)->RegionValidate)(badreg, pOverlap) - -#define BITMAP_TO_REGION(_pScreen, pPix) \ - (*(REG_pScreen)->BitmapToRegion)(pPix) - -#define RECTS_TO_REGION(_pScreen, nrects, prect, ctype) \ - (*(REG_pScreen)->RectsToRegion)(nrects, prect, ctype) - -#else /* !NEED_SCREEN_REGIONS */ - -/* Reference _pScreen macro argument and check its type */ -#define REGION_SCREEN(_pScreen) (void)((REG_pScreen)->myNum) - -#define REGION_CREATE(_pScreen, _rect, _size) \ - (REGION_SCREEN(_pScreen), miRegionCreate(_rect, _size)) - -#define REGION_COPY(_pScreen, dst, src) \ - (REGION_SCREEN(_pScreen), miRegionCopy(dst, src)) - -#define REGION_DESTROY(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionDestroy(_pReg)) +typedef struct pixman_region16_data RegDataRec, *RegDataPtr; -#define REGION_INTERSECT(_pScreen, newReg, reg1, reg2) \ - (REGION_SCREEN(_pScreen), miIntersect(newReg, reg1, reg2)) +extern BoxRec RegionEmptyBox; +extern RegDataRec RegionEmptyData; +extern RegDataRec RegionBrokenData; -#define REGION_UNION(_pScreen, newReg, reg1, reg2) \ - (REGION_SCREEN(_pScreen), miUnion(newReg, reg1, reg2)) - -#define REGION_SUBTRACT(_pScreen, newReg, reg1, reg2) \ - (REGION_SCREEN(_pScreen), miSubtract(newReg, reg1, reg2)) - -#define REGION_INVERSE(_pScreen, newReg, reg1, invRect) \ - (REGION_SCREEN(_pScreen), miInverse(newReg, reg1, invRect)) - -#define REGION_TRANSLATE(_pScreen, _pReg, _x, _y) \ - (REGION_SCREEN(_pScreen), miTranslateRegion(_pReg, _x, _y)) - -#define RECT_IN_REGION(_pScreen, _pReg, prect) \ - (REGION_SCREEN(_pScreen), miRectIn(_pReg, prect)) - -#define POINT_IN_REGION(_pScreen, _pReg, _x, _y, prect) \ - (REGION_SCREEN(_pScreen), miPointInRegion(_pReg, _x, _y, prect)) - -#define REGION_APPEND(_pScreen, dstrgn, rgn) \ - (REGION_SCREEN(_pScreen), miRegionAppend(dstrgn, rgn)) +static inline Bool RegionNil(RegionPtr reg) { + return ((reg)->data && !(reg)->data->numRects); +} -#define REGION_VALIDATE(_pScreen, badreg, pOverlap) \ - (REGION_SCREEN(_pScreen), miRegionValidate(badreg, pOverlap)) +static inline Bool RegionNar(RegionPtr reg) { + return ((reg)->data == &RegionBrokenData); +} -#define BITMAP_TO_REGION(_pScreen, pPix) \ - (*(_pScreen)->BitmapToRegion)(pPix) /* no mi version?! */ +static inline int RegionNumRects(RegionPtr reg) { + return ((reg)->data ? (reg)->data->numRects : 1); +} -#define RECTS_TO_REGION(_pScreen, nrects, prect, ctype) \ - (REGION_SCREEN(_pScreen), miRectsToRegion(nrects, prect, ctype)) +static inline int RegionSize(RegionPtr reg) { + return ((reg)->data ? (reg)->data->size : 0); +} -#define REGION_EQUAL(_pScreen, _pReg1, _pReg2) \ - (REGION_SCREEN(_pScreen), miRegionEqual(_pReg1, _pReg2)) +static inline BoxPtr RegionRects(RegionPtr reg) { + return ((reg)->data ? (BoxPtr)((reg)->data + 1) : &(reg)->extents); +} -#define REGION_BREAK(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionBreak(_pReg)) +static inline BoxPtr RegionBoxptr(RegionPtr reg) { + return ((BoxPtr)((reg)->data + 1)); +} -#ifdef DONT_INLINE_REGION_OPS +static inline BoxPtr RegionBox(RegionPtr reg, int i) { + return (&RegionBoxptr(reg)[i]); +} -#define REGION_INIT(_pScreen, _pReg, _rect, _size) \ - (REGION_SCREEN(_pScreen), miRegionInit(_pReg, _rect, _size)) +static inline BoxPtr RegionTop(RegionPtr reg) { + return RegionBox(reg, (reg)->data->numRects); +} -#define REGION_UNINIT(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionUninit(_pReg)) +static inline BoxPtr RegionEnd(RegionPtr reg) { + return RegionBox(reg, (reg)->data->numRects - 1); +} -#define REGION_RESET(_pScreen, _pReg, _pBox) \ - (REGION_SCREEN(_pScreen), miRegionReset(_pReg, _pBox)) +static inline size_t RegionSizeof(int n) { + return (sizeof(RegDataRec) + ((n) * sizeof(BoxRec))); +} -#define REGION_NOTEMPTY(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionNotEmpty(_pReg)) +static inline void RegionInit(RegionPtr _pReg, BoxPtr _rect, int _size) +{ + if ((_rect) != NULL) + { + (_pReg)->extents = *(_rect); + (_pReg)->data = (RegDataPtr)NULL; + } + else + { + (_pReg)->extents = RegionEmptyBox; + if (((_size) > 1) && ((_pReg)->data = + (RegDataPtr)malloc(RegionSizeof(_size)))) + { + (_pReg)->data->size = (_size); + (_pReg)->data->numRects = 0; + } + else + (_pReg)->data = &RegionEmptyData; + } +} -#define REGION_BROKEN(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionBroken(_pReg)) +static inline void RegionUninit(RegionPtr _pReg) +{ + if ((_pReg)->data && (_pReg)->data->size) { + free((_pReg)->data); + (_pReg)->data = NULL; + } +} -#define REGION_EMPTY(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionEmpty(_pReg)) +static inline void RegionReset(RegionPtr _pReg, BoxPtr _pBox) +{ + (_pReg)->extents = *(_pBox); + RegionUninit(_pReg); + (_pReg)->data = (RegDataPtr)NULL; +} -#define REGION_EXTENTS(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), miRegionExtents(_pReg)) +static inline Bool RegionNotEmpty(RegionPtr _pReg) { + return !RegionNil(_pReg); +} -#else /* inline certain simple region ops for performance */ +static inline Bool RegionBroken(RegionPtr _pReg) { + return RegionNar(_pReg); +} -#define REGION_INIT(_pScreen, _pReg, _rect, _size) \ -{ \ - REGION_SCREEN(_pScreen); \ - if (_rect) \ - { \ - (_pReg)->extents = *(_rect); \ - (_pReg)->data = (RegDataPtr)NULL; \ - } \ - else \ - { \ - size_t rgnSize; \ - (_pReg)->extents = miEmptyBox; \ - if (((_size) > 1) && ((rgnSize = REGION_SZOF(_size)) > 0) && \ - ((_pReg)->data = (RegDataPtr)xalloc(rgnSize))) \ - { \ - (_pReg)->data->size = (_size); \ - (_pReg)->data->numRects = 0; \ - } \ - else \ - (_pReg)->data = &miEmptyData; \ - } \ - } +static inline void RegionEmpty(RegionPtr _pReg) +{ + RegionUninit(_pReg); + (_pReg)->extents.x2 = (_pReg)->extents.x1; + (_pReg)->extents.y2 = (_pReg)->extents.y1; + (_pReg)->data = &RegionEmptyData; +} +static inline BoxPtr RegionExtents(RegionPtr _pReg) +{ + return (&(_pReg)->extents); +} -#define REGION_UNINIT(_pScreen, _pReg) \ -{ \ - REGION_SCREEN(_pScreen); \ - if ((_pReg)->data && (_pReg)->data->size) { \ - xfree((_pReg)->data); \ - (_pReg)->data = NULL; \ - } \ +static inline void RegionNull(RegionPtr _pReg) +{ + (_pReg)->extents = RegionEmptyBox; + (_pReg)->data = &RegionEmptyData; } -#define REGION_RESET(_pScreen, _pReg, _pBox) \ -{ \ - REGION_SCREEN(_pScreen); \ - (_pReg)->extents = *(_pBox); \ - REGION_UNINIT(_pScreen, _pReg); \ - (_pReg)->data = (RegDataPtr)NULL; \ +static inline Bool +RegionCopy(RegionPtr dst, RegionPtr src) +{ + return pixman_region_copy (dst, src); } -#define REGION_NOTEMPTY(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), !REGION_NIL(_pReg)) +static inline Bool +RegionIntersect( + RegionPtr newReg, /* destination Region */ + RegionPtr reg1, + RegionPtr reg2 /* source regions */ + ) +{ + return pixman_region_intersect (newReg, reg1, reg2); +} -#define REGION_BROKEN(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), REGION_NAR(_pReg)) +static inline Bool +RegionUnion( + RegionPtr newReg, /* destination Region */ + RegionPtr reg1, + RegionPtr reg2 /* source regions */ + ) +{ + return pixman_region_union (newReg, reg1, reg2); +} -#define REGION_EMPTY(_pScreen, _pReg) \ -{ \ - REGION_UNINIT(_pScreen, _pReg); \ - (_pReg)->extents.x2 = (_pReg)->extents.x1; \ - (_pReg)->extents.y2 = (_pReg)->extents.y1; \ - (_pReg)->data = &miEmptyData; \ +/* + *----------------------------------------------------------------------- + * Subtract -- + * Subtract regS from regM and leave the result in regD. + * S stands for subtrahend, M for minuend and D for difference. + * + * Results: + * TRUE if successful. + * + * Side Effects: + * regD is overwritten. + * + *----------------------------------------------------------------------- + */ +static inline Bool +RegionSubtract(RegionPtr regD, RegionPtr regM, RegionPtr regS) +{ + return pixman_region_subtract (regD, regM, regS); } -#define REGION_EXTENTS(_pScreen, _pReg) \ - (REGION_SCREEN(_pScreen), &(_pReg)->extents) +/* + *----------------------------------------------------------------------- + * Inverse -- + * Take a region and a box and return a region that is everything + * in the box but not in the region. The careful reader will note + * that this is the same as subtracting the region from the box... + * + * Results: + * TRUE. + * + * Side Effects: + * newReg is overwritten. + * + *----------------------------------------------------------------------- + */ +static inline Bool +RegionInverse( + RegionPtr newReg, /* Destination region */ + RegionPtr reg1, /* Region to invert */ + BoxPtr invRect /* Bounding box for inversion */ + ) +{ + return pixman_region_inverse (newReg, reg1, invRect); +} -#define REGION_NULL(_pScreen, _pReg) \ -{ \ - REGION_SCREEN(_pScreen); \ - (_pReg)->extents = miEmptyBox; \ - (_pReg)->data = &miEmptyData; \ +static inline int +RegionContainsRect(RegionPtr region, BoxPtr prect) +{ + return pixman_region_contains_rectangle (region, prect); } -#endif /* DONT_INLINE_REGION_OPS */ +/* TranslateRegion(pReg, x, y) + * translates in place + */ -#endif /* NEED_SCREEN_REGIONS */ +static inline void +RegionTranslate(RegionPtr pReg, int x, int y) +{ + pixman_region_translate (pReg, x, y); +} -#ifndef REGION_NULL -#define REGION_NULL(_pScreen, _pReg) \ - REGION_INIT(_pScreen, _pReg, NullBox, 1) -#endif +static inline Bool +RegionContainsPoint( + RegionPtr pReg, + int x, + int y, + BoxPtr box /* "return" value */ + ) +{ + return pixman_region_contains_point (pReg, x, y, box); +} -/* moved from mi.h */ +static inline Bool +RegionEqual(RegionPtr reg1, RegionPtr reg2) +{ + return pixman_region_equal (reg1, reg2); +} -extern RegionPtr miRegionCreate( +extern RegionPtr RegionCreate( BoxPtr /*rect*/, int /*size*/); -extern void miRegionInit( +extern void RegionInit( RegionPtr /*pReg*/, BoxPtr /*rect*/, int /*size*/); -extern void miRegionDestroy( +extern void RegionDestroy( RegionPtr /*pReg*/); -extern void miRegionUninit( +extern void RegionUninit( RegionPtr /*pReg*/); -extern Bool miRegionCopy( +extern Bool RegionCopy( RegionPtr /*dst*/, RegionPtr /*src*/); -extern Bool miIntersect( +extern Bool RegionIntersect( RegionPtr /*newReg*/, RegionPtr /*reg1*/, RegionPtr /*reg2*/); -extern Bool miUnion( +extern Bool RegionUnion( RegionPtr /*newReg*/, RegionPtr /*reg1*/, RegionPtr /*reg2*/); -extern Bool miRegionAppend( +extern Bool RegionAppend( RegionPtr /*dstrgn*/, RegionPtr /*rgn*/); -extern Bool miRegionValidate( +extern Bool RegionValidate( RegionPtr /*badreg*/, Bool * /*pOverlap*/); -extern RegionPtr miRectsToRegion( +extern RegionPtr RegionFromRects( int /*nrects*/, xRectanglePtr /*prect*/, int /*ctype*/); -extern Bool miSubtract( +extern Bool RegionSubtract( RegionPtr /*regD*/, RegionPtr /*regM*/, RegionPtr /*regS*/); -extern Bool miInverse( +extern Bool RegionInverse( RegionPtr /*newReg*/, RegionPtr /*reg1*/, BoxPtr /*invRect*/); -extern int miRectIn( +extern int RegionContainsRect( RegionPtr /*region*/, BoxPtr /*prect*/); -extern void miTranslateRegion( +extern void RegionTranslate( RegionPtr /*pReg*/, int /*x*/, int /*y*/); -extern void miRegionReset( +extern void RegionReset( RegionPtr /*pReg*/, BoxPtr /*pBox*/); -extern Bool miRegionBreak( +extern Bool RegionBreak( RegionPtr /*pReg*/); -extern Bool miPointInRegion( +extern Bool RegionContainsPoint( RegionPtr /*pReg*/, int /*x*/, int /*y*/, BoxPtr /*box*/); -extern Bool miRegionEqual( +extern Bool RegionEqual( RegionPtr /*pReg1*/, RegionPtr /*pReg2*/); -extern Bool miRegionNotEmpty( +extern Bool RegionNotEmpty( RegionPtr /*pReg*/); -extern void miRegionEmpty( +extern void RegionEmpty( RegionPtr /*pReg*/); -extern BoxPtr miRegionExtents( +extern BoxPtr RegionExtents( RegionPtr /*pReg*/); +#define INCLUDE_LEGACY_REGION_DEFINES +#ifdef INCLUDE_LEGACY_REGION_DEFINES + +#define REGION_NIL RegionNil +#define REGION_NAR RegionNar +#define REGION_NUM_RECTS RegionNumRects +#define REGION_SIZE RegionSize +#define REGION_RECTS RegionRects +#define REGION_BOXPTR RegionBoxptr +#define REGION_BOX RegionBox +#define REGION_TOP RegionTop +#define REGION_END RegionEnd +#define REGION_SZOF RegionSizeof +#define BitmapToRegion BitmapToRegion +#define REGION_CREATE(pScreen, r, s) RegionCreate(r,s) +#define REGION_COPY(pScreen, d, r) RegionCopy(d, r) +#define REGION_DESTROY(pScreen, r) RegionDestroy(r) +#define REGION_INTERSECT(pScreen, res, r1, r2) RegionIntersect(res, r1, r2) +#define REGION_UNION(pScreen, res, r1, r2) RegionUnion(res, r1, r2) +#define REGION_SUBTRACT(pScreen, res, r1, r2) RegionSubtract(res, r1, r2) +#define REGION_INVERSE(pScreen, n, r, b) RegionInverse(n, r, b) +#define REGION_TRANSLATE(pScreen, r, x, y) RegionTranslate(r, x, y) +#define RECT_IN_REGION(pScreen, r, b) RegionContainsRect(r, b) +#define POINT_IN_REGION(pScreen, r, x, y, b) RegionContainsPoint(r, x, y, b) +#define REGION_EQUAL(pScreen, r1, r2) RegionEqual(r1, r2) +#define REGION_APPEND(pScreen, d, r) RegionAppend(d, r) +#define REGION_VALIDATE(pScreen, r, o) RegionValidate(r, o) +#define RECTS_TO_REGION(pScreen, n, r, c) RegionFromRects(n, r, c) +#define REGION_BREAK(pScreen, r) RegionBreak(r) +#define REGION_INIT(pScreen, r, b, s) RegionInit(r, b, s) +#define REGION_UNINIT(pScreen, r) RegionUninit(r) +#define REGION_RESET(pScreen, r, b) RegionReset(r, b) +#define REGION_NOTEMPTY(pScreen, r) RegionNotEmpty(r) +#define REGION_BROKEN(pScreen, r) RegionBroken(r) +#define REGION_EMPTY(pScreen, r) RegionEmpty(r) +#define REGION_EXTENTS(pScreen, r) RegionExtents(r) +#define REGION_NULL(pScreen, r) RegionNull(r) + +#endif /* INCLUDE_LEGACY_REGION_DEFINES */ #endif /* REGIONSTRUCT_H */ |