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 _REGION
   8 {
   9   /* Header for all gdi objects in the handle table.
  10      Do not (re)move this. */
  11   BASEOBJECT BaseObject;
  12   _Notnull_ PRGN_ATTR prgnattr;
  13   RGN_ATTR rgnattr;
  14
  15   RGNDATAHEADER rdh;
  16   RECTL *Buffer;
  17 } REGION, *PREGION;
  18
  19 /* Globals ********************************************************************/
  20
  21 extern PREGION prgnDefault;
  22 extern HRGN hrgnDefault;
  23
  24 /* Functions ******************************************************************/
  25
  26 PREGION FASTCALL REGION_AllocRgnWithHandle(INT n);
  27 PREGION FASTCALL REGION_AllocUserRgnWithHandle(INT n);
  28 VOID FASTCALL REGION_UnionRectWithRgn(PREGION rgn, const RECTL *rect);
  29 INT FASTCALL REGION_SubtractRectFromRgn(PREGION prgnDest, PREGION prgnSrc, const RECTL *prcl);
  30 INT FASTCALL REGION_GetRgnBox(PREGION Rgn, RECTL *pRect);
  31 BOOL FASTCALL REGION_RectInRegion(PREGION Rgn, const RECTL *rc);
  32 BOOL FASTCALL REGION_PtInRegion(PREGION, INT, INT);
  33 INT FASTCALL REGION_CropRegion(PREGION rgnDst, PREGION rgnSrc, const RECTL *rect);
  34 VOID FASTCALL REGION_SetRectRgn(PREGION pRgn, INT LeftRect, INT TopRect, INT RightRect, INT BottomRect);
  35 VOID NTAPI REGION_vCleanup(PVOID ObjectBody);
  36 VOID FASTCALL REGION_Delete(PREGION);
  37 INT APIENTRY IntGdiGetRgnBox(HRGN, RECTL*);
  38
  39 PREGION
  40 FASTCALL
  41 REGION_LockRgn(
  42     _In_ HRGN hrgn);
  43
  44 VOID
  45 FASTCALL
  46 REGION_UnlockRgn(
  47     _In_ PREGION prgn);
  48
  49 BOOL
  50 FASTCALL
  51 REGION_bXformRgn(
  52     _Inout_ PREGION prgn,
  53     _In_ PMATRIX pmx);
  54
  55 BOOL
  56 FASTCALL
  57 REGION_SetPolyPolygonRgn(
  58     _Inout_ PREGION prgn,
  59     _In_ const POINT *ppt,
  60     _In_ const ULONG *pcPoints,
  61     _In_ ULONG cPolygons,
  62     _In_ INT iMode);
  63
  64 HRGN
  65 NTAPI
  66 GreCreatePolyPolygonRgn(
  67     _In_ const POINT *ppt,
  68     _In_ const ULONG *pcPoints,
  69     _In_ ULONG cPolygons,
  70     _In_ INT iMode);
  71
  72 BOOL
  73 FASTCALL
  74 REGION_bOffsetRgn(
  75     _Inout_ PREGION prgn,
  76     _In_ INT cx,
  77     _In_ INT cy);
  78
  79 BOOL FASTCALL IntRectInRegion(HRGN,LPRECTL);
  80
  81 INT FASTCALL IntGdiCombineRgn(PREGION, PREGION, PREGION, INT);
  82 INT FASTCALL REGION_Complexity(PREGION);
  83 PREGION FASTCALL IntSysCreateRectpRgn(INT,INT,INT,INT);
  84 BOOL FASTCALL IntGdiSetRegionOwner(HRGN,DWORD);
  85
  86 HRGN
  87 FASTCALL
  88 GreCreateFrameRgn(
  89     HRGN hrgn,
  90     INT x,
  91     INT y);
  92
  93 #define IntSysCreateRectpRgnIndirect(prc) \
  94   IntSysCreateRectpRgn((prc)->left, (prc)->top, (prc)->right, (prc)->bottom)
  95
  96 PREGION
  97 FASTCALL
  98 IntSysCreateRectpRgn(INT LeftRect, INT TopRect, INT RightRect, INT BottomRect);