subsystems/win32/win32k/include/surface.h

   1 #pragma once
   2
   3 #include "win32.h"
   4 #include "gdiobj.h"
   5
   6 #define PDEV_SURFACE              0x80000000
   7
   8 /* GDI surface object */
   9 typedef struct _SURFACE
  10 {
  11   BASEOBJECT  BaseObject;
  12
  13   SURFOBJ     SurfObj;
  14   FLONG       flHooks;
  15   FLONG       flFlags;
  16   struct _PALETTE  *ppal;
  17
  18   union
  19   {
  20     HANDLE    hSecureUMPD;  // if UMPD_SURFACE set
  21     HANDLE    hMirrorParent;// if MIRROR_SURFACE set
  22     HANDLE    hDDSurface;   // if DIRECTDRAW_SURFACE set
  23   };
  24
  25   SIZEL       dimension;    /* For SetBitmapDimension(), do NOT use
  26                                to get width/height of bitmap, use
  27                                bitmap.bmWidth/bitmap.bmHeight for
  28                                that */
  29
  30   HDC         hDC; // Doc in "Undocumented Windows", page 546, seems to be supported with XP.
  31   ULONG       cRef;         // 0x064
  32   HPALETTE    hpalHint;
  33
  34   /* For device-independent bitmaps: */
  35   HANDLE      hDIBSection;
  36   HANDLE      hSecure;
  37   DWORD       dwOffset;
  38
  39   /* reactos specific */
  40   PFAST_MUTEX BitsLock;     /* You need to hold this lock before you touch
  41                                the actual bits in the bitmap */
  42   HPALETTE hDIBPalette;
  43   DWORD dsBitfields[3]; // hack, should probably use palette instead
  44   DWORD biClrUsed;
  45   DWORD biClrImportant;
  46 } SURFACE, *PSURFACE;
  47
  48 #define BITMAPOBJ_IS_APIBITMAP          0x1
  49
  50 /*  Internal interface  */
  51
  52 #define SURFACE_AllocSurface()    ((PSURFACE) GDIOBJ_AllocObj(GDIObjType_SURF_TYPE))
  53 #define SURFACE_AllocSurfaceWithHandle()    ((PSURFACE) GDIOBJ_AllocObjWithHandle(GDI_OBJECT_TYPE_BITMAP))
  54 #define SURFACE_FreeSurface(pBMObj) GDIOBJ_FreeObj((POBJ) pBMObj, GDIObjType_SURF_TYPE)
  55 #define SURFACE_FreeSurfaceByHandle(hBMObj) GDIOBJ_FreeObjByHandle((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP)
  56
  57 /* NOTE: Use shared locks! */
  58 #define  SURFACE_LockSurface(hBMObj) \
  59   ((PSURFACE) GDIOBJ_LockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
  60 #define  SURFACE_ShareLockSurface(hBMObj) \
  61   ((PSURFACE) GDIOBJ_ShareLockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
  62 #define  SURFACE_UnlockSurface(pBMObj)  \
  63   GDIOBJ_UnlockObjByPtr ((POBJ)pBMObj)
  64 #define  SURFACE_ShareUnlockSurface(pBMObj)  \
  65   GDIOBJ_ShareUnlockObjByPtr ((POBJ)pBMObj)
  66
  67 #define SURFACE_LockBitmapBits(pBMObj) ExEnterCriticalRegionAndAcquireFastMutexUnsafe((pBMObj)->BitsLock)
  68 #define SURFACE_UnlockBitmapBits(pBMObj) ExReleaseFastMutexUnsafeAndLeaveCriticalRegion((pBMObj)->BitsLock)
  69
  70 BOOL INTERNAL_CALL SURFACE_Cleanup(PVOID ObjectBody);
  71 BOOL INTERNAL_CALL SURFACE_InitBitsLock(SURFACE *pBMObj);
  72 void INTERNAL_CALL SURFACE_CleanupBitsLock(SURFACE *pBMObj);
  73
  74 #define GDIDEV(SurfObj) ((PDEVOBJ *)((SurfObj)->hdev))
  75 #define GDIDEVFUNCS(SurfObj) ((PDEVOBJ *)((SurfObj)->hdev))->DriverFunctions
  76
  77 INT   FASTCALL BitsPerFormat (ULONG Format);
  78 ULONG FASTCALL BitmapFormat (WORD Bits, DWORD Compression);