diff options
Diffstat (limited to 'include/regionstr.h')
| -rw-r--r-- | include/regionstr.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/include/regionstr.h b/include/regionstr.h index 55dc99656..1ac3f2f07 100644 --- a/include/regionstr.h +++ b/include/regionstr.h @@ -45,6 +45,8 @@ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ +/* $XFree86: xc/programs/Xserver/include/regionstr.h,v 1.7 2001/12/14 19:59:56 dawes Exp $ */ + #ifndef REGIONSTRUCT_H #define REGIONSTRUCT_H @@ -75,8 +77,11 @@ typedef struct _Region { 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) \ @@ -131,6 +136,12 @@ extern RegDataRec miEmptyData; #define REGION_NOTEMPTY(_pScreen, _pReg) \ (*(_pScreen)->RegionNotEmpty)(_pReg) +#define REGION_BROKEN(_pScreen, _pReg) \ + (*(_pScreen)->RegionBroken)(_pReg) + +#define REGION_BREAK(_pScreen, _pReg) \ + (*(_pScreen)->RegionBreak)(_pReg) + #define REGION_EMPTY(_pScreen, _pReg) \ (*(_pScreen)->RegionEmpty)(_pReg) @@ -193,6 +204,9 @@ extern RegDataRec miEmptyData; #define RECTS_TO_REGION(_pScreen, nrects, prect, ctype) \ miRectsToRegion(nrects, prect, ctype) +#define REGION_BREAK(_pScreen, _pReg) \ + miRegionBreak(_pReg) + #ifdef DONT_INLINE_REGION_OPS #define REGION_INIT(_pScreen, _pReg, _rect, _size) \ @@ -207,6 +221,9 @@ extern RegDataRec miEmptyData; #define REGION_NOTEMPTY(_pScreen, _pReg) \ miRegionNotEmpty(_pReg) +#define REGION_BROKEN(_pScreen, _pReg) \ + miRegionBroken(_pReg) + #define REGION_EMPTY(_pScreen, _pReg) \ miRegionEmpty(_pReg) @@ -238,7 +255,10 @@ extern RegDataRec miEmptyData; #define REGION_UNINIT(_pScreen, _pReg) \ { \ - if ((_pReg)->data && (_pReg)->data->size) xfree((_pReg)->data); \ + if ((_pReg)->data && (_pReg)->data->size) { \ + xfree((_pReg)->data); \ + (_pReg)->data = NULL; \ + } \ } #define REGION_RESET(_pScreen, _pReg, _pBox) \ @@ -251,6 +271,9 @@ extern RegDataRec miEmptyData; #define REGION_NOTEMPTY(_pScreen, _pReg) \ !REGION_NIL(_pReg) +#define REGION_BROKEN(_pScreen, _pReg) \ + REGION_NAR(_pReg) + #define REGION_EMPTY(_pScreen, _pReg) \ { \ REGION_UNINIT(_pScreen, _pReg); \ @@ -378,6 +401,12 @@ extern void miRegionReset( #endif ); +extern Bool miRegionBreak( +#if NeedFunctionPrototypes + RegionPtr /*pReg*/ +#endif +); + extern Bool miPointInRegion( #if NeedFunctionPrototypes RegionPtr /*pReg*/, |