win32ss/gdi/ntgdi/region.h

   1 #pragma once
   2
   3 /* Type definitions ***********************************************************/
   4
   5 /* Internal region data.
   6    Can't use RGNDATA structure because buffer is allocated statically */
   7 typedef struct _ROSRGNDATA
   8 {
   9   /* Header for all gdi objects in the handle table.
  10      Do not (re)move this. */
  11   BASEOBJECT    BaseObject;
  12   PRGN_ATTR prgnattr;
  13   RGN_ATTR rgnattr;
  14
  15   RGNDATAHEADER rdh;
  16   RECTL        *Buffer;
  17 } ROSRGNDATA, *PROSRGNDATA, *LPROSRGNDATA, REGION, *PREGION;
  18
  19
  20 /* Functions ******************************************************************/
  21
  22 #define  REGION_FreeRgn(pRgn)  GDIOBJ_FreeObj((POBJ)pRgn, GDIObjType_RGN_TYPE)
  23 #define  REGION_FreeRgnByHandle(hRgn)  GDIOBJ_FreeObjByHandle((HGDIOBJ)hRgn, GDI_OBJECT_TYPE_REGION)
  24
  25 PROSRGNDATA FASTCALL REGION_AllocRgnWithHandle(INT n);
  26 PROSRGNDATA FASTCALL REGION_AllocUserRgnWithHandle(INT n);
  27 VOID FASTCALL REGION_UnionRectWithRgn(ROSRGNDATA *rgn, const RECTL *rect);
  28 INT FASTCALL REGION_GetRgnBox(PROSRGNDATA Rgn, RECTL *pRect);
  29 BOOL FASTCALL REGION_RectInRegion(PROSRGNDATA Rgn, const RECTL *rc);
  30 BOOL FASTCALL REGION_CropAndOffsetRegion(PROSRGNDATA rgnDst, PROSRGNDATA rgnSrc, const RECTL *rect, const POINT *off);
  31 VOID FASTCALL REGION_SetRectRgn(PROSRGNDATA pRgn, INT LeftRect, INT TopRect, INT RightRect, INT BottomRect);
  32 VOID NTAPI REGION_vCleanup(PVOID ObjectBody);
  33
  34 extern PROSRGNDATA prgnDefault;
  35 extern HRGN        hrgnDefault;
  36
  37 VOID FASTCALL REGION_Delete(PROSRGNDATA);
  38 VOID FASTCALL IntGdiReleaseRaoRgn(PDC);
  39 VOID FASTCALL IntGdiReleaseVisRgn(PDC);
  40
  41 INT APIENTRY IntGdiGetRgnBox(HRGN, RECTL*);
  42 BOOL FASTCALL IntGdiPaintRgn(PDC, HRGN );
  43 HRGN FASTCALL IntCreatePolyPolygonRgn(PPOINT, PULONG, INT, INT);
  44 INT FASTCALL IntGdiOffsetRgn(PROSRGNDATA,INT,INT);
  45 BOOL FASTCALL IntRectInRegion(HRGN,LPRECTL);
  46
  47 INT FASTCALL IntGdiCombineRgn(PROSRGNDATA, PROSRGNDATA, PROSRGNDATA, INT);
  48 INT FASTCALL REGION_Complexity(PROSRGNDATA);
  49 PROSRGNDATA FASTCALL RGNOBJAPI_Lock(HRGN,PRGN_ATTR *);
  50 VOID FASTCALL RGNOBJAPI_Unlock(PROSRGNDATA);
  51 HRGN FASTCALL IntSysCreateRectRgn(INT,INT,INT,INT);
  52 PROSRGNDATA FASTCALL IntSysCreateRectpRgn(INT,INT,INT,INT);
  53 BOOL FASTCALL IntGdiSetRegionOwner(HRGN,DWORD);
  54
  55 #define IntSysCreateRectRgnIndirect(prc) \
  56   IntSysCreateRectRgn((prc)->left, (prc)->top, (prc)->right, (prc)->bottom)
  57
  58 #define IntSysCreateRectpRgnIndirect(prc) \
  59   IntSysCreateRectpRgn((prc)->left, (prc)->top, (prc)->right, (prc)->bottom)
  60
  61 PROSRGNDATA
  62 FASTCALL
  63 IntSysCreateRectpRgn(INT LeftRect, INT TopRect, INT RightRect, INT BottomRect);
  64
  65 FORCEINLINE
  66 PREGION
  67 REGION_LockRgn(HRGN hrgn)
  68 {
  69     return GDIOBJ_LockObject(hrgn, GDIObjType_RGN_TYPE);
  70 }
  71
  72 FORCEINLINE
  73 VOID
  74 REGION_UnlockRgn(PREGION prgn)
  75 {
  76     GDIOBJ_vUnlockObject(&prgn->BaseObject);
  77 }