subsystems/win32/win32k/include/region.h

   1 #pragma once
   2
   3 #include "gdiobj.h"
   4
   5 /* Type definitions ***********************************************************/
   6
   7 /* Internal region data.
   8    Can't use RGNDATA structure because buffer is allocated statically */
   9 typedef struct _ROSRGNDATA
  10 {
  11   /* Header for all gdi objects in the handle table.
  12      Do not (re)move this. */
  13   BASEOBJECT    BaseObject;
  14   PRGN_ATTR prgnattr;
  15   RGN_ATTR rgnattr;
  16
  17   RGNDATAHEADER rdh;
  18   RECTL        *Buffer;
  19 } ROSRGNDATA, *PROSRGNDATA, *LPROSRGNDATA, REGION, *PREGION;
  20
  21
  22 /* Functions ******************************************************************/
  23
  24 #define  REGION_FreeRgn(pRgn)  GDIOBJ_FreeObj((POBJ)pRgn, GDIObjType_RGN_TYPE)
  25 #define  REGION_FreeRgnByHandle(hRgn)  GDIOBJ_FreeObjByHandle((HGDIOBJ)hRgn, GDI_OBJECT_TYPE_REGION)
  26
  27 PROSRGNDATA FASTCALL REGION_AllocRgnWithHandle(INT n);
  28 PROSRGNDATA FASTCALL REGION_AllocUserRgnWithHandle(INT n);
  29 VOID FASTCALL REGION_UnionRectWithRgn(ROSRGNDATA *rgn, const RECTL *rect);
  30 INT FASTCALL REGION_GetRgnBox(PROSRGNDATA Rgn, RECTL *pRect);
  31 BOOL FASTCALL REGION_RectInRegion(PROSRGNDATA Rgn, const RECTL *rc);
  32 BOOL FASTCALL REGION_CropAndOffsetRegion(PROSRGNDATA rgnDst, PROSRGNDATA rgnSrc, const RECTL *rect, const POINT *off);
  33 VOID FASTCALL REGION_SetRectRgn(PROSRGNDATA pRgn, INT LeftRect, INT TopRect, INT RightRect, INT BottomRect);
  34 BOOL INTERNAL_CALL REGION_Cleanup(PVOID ObjectBody);
  35
  36 extern PROSRGNDATA prgnDefault;
  37 extern HRGN        hrgnDefault;
  38
  39 VOID FASTCALL REGION_Delete(PROSRGNDATA);
  40 VOID FASTCALL IntGdiReleaseRaoRgn(PDC);
  41 VOID FASTCALL IntGdiReleaseVisRgn(PDC);
  42
  43 INT APIENTRY IntGdiGetRgnBox(HRGN, RECTL*);
  44 BOOL FASTCALL IntGdiPaintRgn(PDC, HRGN );
  45 HRGN FASTCALL IntCreatePolyPolygonRgn(PPOINT, PULONG, INT, INT);
  46 INT FASTCALL IntGdiOffsetRgn(PROSRGNDATA,INT,INT);
  47 BOOL FASTCALL IntRectInRegion(HRGN,LPRECTL);
  48
  49 INT FASTCALL IntGdiCombineRgn(PROSRGNDATA, PROSRGNDATA, PROSRGNDATA, INT);
  50 INT FASTCALL REGION_Complexity(PROSRGNDATA);
  51 PROSRGNDATA FASTCALL RGNOBJAPI_Lock(HRGN,PRGN_ATTR *);
  52 VOID FASTCALL RGNOBJAPI_Unlock(PROSRGNDATA);
  53 HRGN FASTCALL IntSysCreateRectRgn(INT,INT,INT,INT);
  54 PROSRGNDATA FASTCALL IntSysCreateRectpRgn(INT,INT,INT,INT);
  55 BOOL FASTCALL IntGdiSetRegionOwner(HRGN,DWORD);
  56
  57 #define IntSysCreateRectRgnIndirect(prc) \
  58   IntSysCreateRectRgn((prc)->left, (prc)->top, (prc)->right, (prc)->bottom)
  59
  60 #define IntSysCreateRectpRgnIndirect(prc) \
  61   IntSysCreateRectpRgn((prc)->left, (prc)->top, (prc)->right, (prc)->bottom)
  62
  63 PROSRGNDATA
  64 FASTCALL
  65 IntSysCreateRectpRgn(INT LeftRect, INT TopRect, INT RightRect, INT BottomRect);
  66
  67 FORCEINLINE
  68 PREGION
  69 REGION_LockRgn(HRGN hrgn)
  70 {
  71     return GDIOBJ_LockObject(hrgn, GDIObjType_RGN_TYPE);
  72 }
  73
  74 FORCEINLINE
  75 VOID
  76 REGION_UnlockRgn(PREGION prgn)
  77 {
  78     GDIOBJ_vUnlockObject(&prgn->BaseObject);
  79 }