reactos/subsystems/win32/win32k/include/surface.h

   1 #ifndef _WIN32K_SURFACE_H
   2 #define _WIN32K_SURFACE_H
   3
   4 #include "win32.h"
   5 #include "gdiobj.h"
   6
   7 /* GDI surface object */
   8 typedef struct _SURFACE
   9 {
  10   BASEOBJECT  BaseObject;
  11
  12   SURFOBJ     SurfObj;
  13   FLONG       flHooks;
  14   FLONG       flFlags;
  15   struct _PALETTE  *ppal;
  16
  17   union
  18   {
  19     HANDLE    hSecureUMPD;  // if UMPD_SURFACE set
  20     HANDLE    hMirrorParent;// if MIRROR_SURFACE set
  21     HANDLE    hDDSurface;   // if DIRECTDRAW_SURFACE set
  22   };
  23
  24   SIZEL       dimension;    /* For SetBitmapDimension(), do NOT use
  25                                to get width/height of bitmap, use
  26                                bitmap.bmWidth/bitmap.bmHeight for
  27                                that */
  28
  29   HDC         hDC; // Doc in "Undocumented Windows", page 546, seems to be supported with XP.
  30   ULONG       cRef;         // 0x064
  31   HPALETTE    hpalHint;
  32
  33   /* For device-independent bitmaps: */
  34   HANDLE      hDIBSection;
  35   HANDLE      hSecure;
  36   DWORD       dwOffset;
  37
  38   /* reactos specific */
  39   PFAST_MUTEX BitsLock;     /* You need to hold this lock before you touch
  40                                the actual bits in the bitmap */
  41   HPALETTE hDIBPalette;
  42   DWORD dsBitfields[3]; // hack, should probably use palette instead
  43   DWORD biClrUsed;
  44   DWORD biClrImportant;
  45 } SURFACE, *PSURFACE;
  46
  47 #define BITMAPOBJ_IS_APIBITMAP          0x1
  48
  49 /*  Internal interface  */
  50
  51 #define SURFACE_AllocSurface()    ((PSURFACE) GDIOBJ_AllocObj(GDIObjType_SURF_TYPE))
  52 #define SURFACE_AllocSurfaceWithHandle()    ((PSURFACE) GDIOBJ_AllocObjWithHandle(GDI_OBJECT_TYPE_BITMAP))
  53 #define SURFACE_FreeSurface(pBMObj) GDIOBJ_FreeObj((POBJ) pBMObj, GDIObjType_SURF_TYPE)
  54 #define SURFACE_FreeSurfaceByHandle(hBMObj) GDIOBJ_FreeObjByHandle((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP)
  55
  56 /* NOTE: Use shared locks! */
  57 #define  SURFACE_LockSurface(hBMObj) \
  58   ((PSURFACE) GDIOBJ_LockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
  59 #define  SURFACE_ShareLockSurface(hBMObj) \
  60   ((PSURFACE) GDIOBJ_ShareLockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
  61 #define  SURFACE_UnlockSurface(pBMObj)  \
  62   GDIOBJ_UnlockObjByPtr ((POBJ)pBMObj)
  63 #define  SURFACE_ShareUnlockSurface(pBMObj)  \
  64   GDIOBJ_ShareUnlockObjByPtr ((POBJ)pBMObj)
  65
  66 #define SURFACE_LockBitmapBits(pBMObj) ExEnterCriticalRegionAndAcquireFastMutexUnsafe((pBMObj)->BitsLock)
  67 #define SURFACE_UnlockBitmapBits(pBMObj) ExReleaseFastMutexUnsafeAndLeaveCriticalRegion((pBMObj)->BitsLock)
  68
  69 BOOL INTERNAL_CALL SURFACE_Cleanup(PVOID ObjectBody);
  70 BOOL INTERNAL_CALL SURFACE_InitBitsLock(SURFACE *pBMObj);
  71 void INTERNAL_CALL SURFACE_CleanupBitsLock(SURFACE *pBMObj);
  72
  73 #define GDIDEV(SurfObj) ((PDEVOBJ *)((SurfObj)->hdev))
  74 #define GDIDEVFUNCS(SurfObj) ((PDEVOBJ *)((SurfObj)->hdev))->DriverFunctions
  75
  76 INT   FASTCALL BitsPerFormat (ULONG Format);
  77 ULONG FASTCALL BitmapFormat (WORD Bits, DWORD Compression);
  78
  79 #endif /* _WIN32K_SURFACE_H */