reactos/subsys/win32k/include/bitmaps.h

   1
   2 #ifndef __WIN32K_BITMAPS_H
   3 #define __WIN32K_BITMAPS_H
   4
   5 /* GDI logical bitmap object */
   6 typedef struct _BITMAPOBJ
   7 {
   8   SURFOBJ     SurfObj;
   9   FLONG       flHooks;
  10   FLONG       flFlags;
  11   SIZE        dimension;    /* For SetBitmapDimension(), do NOT use
  12                                to get width/height of bitmap, use
  13                                bitmap.bmWidth/bitmap.bmHeight for
  14                                that */
  15   PFAST_MUTEX BitsLock;     /* You need to hold this lock before you touch
  16                                the actual bits in the bitmap */
  17
  18   /* For device-independent bitmaps: */
  19   DIBSECTION *dib;
  20   HPALETTE hDIBPalette;
  21 } BITMAPOBJ, *PBITMAPOBJ;
  22
  23 #define BITMAPOBJ_IS_APIBITMAP          0x1
  24
  25 /*  Internal interface  */
  26
  27 #define  BITMAPOBJ_AllocBitmap()  \
  28   ((HBITMAP) GDIOBJ_AllocObj (GDI_OBJECT_TYPE_BITMAP))
  29 #define  BITMAPOBJ_FreeBitmap(hBMObj)  \
  30   GDIOBJ_FreeObj((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP)
  31 /* NOTE: Use shared locks! */
  32 #define  BITMAPOBJ_LockBitmap(hBMObj) (PBITMAPOBJ)EngLockSurface((HSURF)hBMObj)
  33 #define  BITMAPOBJ_UnlockBitmap(pBMObj) EngUnlockSurface(&pBMObj->SurfObj)
  34 BOOL INTERNAL_CALL BITMAP_Cleanup(PVOID ObjectBody);
  35
  36 BOOL INTERNAL_CALL BITMAPOBJ_InitBitsLock(BITMAPOBJ *pBMObj);
  37 #define BITMAPOBJ_LockBitmapBits(pBMObj) ExEnterCriticalRegionAndAcquireFastMutexUnsafe((pBMObj)->BitsLock)
  38 #define BITMAPOBJ_UnlockBitmapBits(pBMObj) ExReleaseFastMutexUnsafeAndLeaveCriticalRegion((pBMObj)->BitsLock)
  39 void INTERNAL_CALL BITMAPOBJ_CleanupBitsLock(BITMAPOBJ *pBMObj);
  40
  41 INT     FASTCALL BITMAPOBJ_GetWidthBytes (INT bmWidth, INT bpp);
  42 HBITMAP FASTCALL BITMAPOBJ_CopyBitmap (HBITMAP  hBitmap);
  43 INT     FASTCALL DIB_GetDIBWidthBytes (INT  width, INT  depth);
  44 int     NTAPI  DIB_GetDIBImageBytes (INT  width, INT  height, INT  depth);
  45 INT     FASTCALL DIB_BitmapInfoSize (const BITMAPINFO * info, WORD coloruse);
  46 INT     NTAPI  BITMAP_GetObject(BITMAPOBJ * bmp, INT count, LPVOID buffer);
  47 HBITMAP FASTCALL BitmapToSurf(PBITMAPOBJ BitmapObj, HDEV GDIDevice);
  48
  49 #endif
  50