reactos/subsystems/win32/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 //  HGDIOBJ     hHmgr;
   9 //  PVOID       pvEntry;
  10 //  ULONG       lucExcLock;
  11 //  ULONG       Tid;
  12
  13   SURFOBJ     SurfObj;
  14   FLONG       flHooks;
  15   FLONG       flFlags;
  16   SIZE        dimension;    /* For SetBitmapDimension(), do NOT use
  17                                to get width/height of bitmap, use
  18                                bitmap.bmWidth/bitmap.bmHeight for
  19                                that */
  20   PFAST_MUTEX BitsLock;     /* You need to hold this lock before you touch
  21                                the actual bits in the bitmap */
  22
  23   /* For device-independent bitmaps: */
  24   DIBSECTION *dib;
  25   HPALETTE hDIBPalette;
  26 } BITMAPOBJ, *PBITMAPOBJ;
  27
  28 #define BITMAPOBJ_IS_APIBITMAP          0x1
  29
  30 /*  Internal interface  */
  31
  32 #define  BITMAPOBJ_AllocBitmap()  \
  33   ((HBITMAP) GDIOBJ_AllocObj (GdiHandleTable, GDI_OBJECT_TYPE_BITMAP))
  34 #define  BITMAPOBJ_FreeBitmap(hBMObj)  \
  35   GDIOBJ_FreeObj(GdiHandleTable, (HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP)
  36 /* NOTE: Use shared locks! */
  37 #define  BITMAPOBJ_LockBitmap(hBMObj) (PBITMAPOBJ)EngLockSurface((HSURF)hBMObj)
  38 #define  BITMAPOBJ_UnlockBitmap(pBMObj) EngUnlockSurface(&pBMObj->SurfObj)
  39 BOOL INTERNAL_CALL BITMAP_Cleanup(PVOID ObjectBody);
  40
  41 BOOL INTERNAL_CALL BITMAPOBJ_InitBitsLock(BITMAPOBJ *pBMObj);
  42 #define BITMAPOBJ_LockBitmapBits(pBMObj) ExEnterCriticalRegionAndAcquireFastMutexUnsafe((pBMObj)->BitsLock)
  43 #define BITMAPOBJ_UnlockBitmapBits(pBMObj) ExReleaseFastMutexUnsafeAndLeaveCriticalRegion((pBMObj)->BitsLock)
  44 void INTERNAL_CALL BITMAPOBJ_CleanupBitsLock(BITMAPOBJ *pBMObj);
  45
  46 INT     FASTCALL BITMAPOBJ_GetWidthBytes (INT bmWidth, INT bpp);
  47 INT     FASTCALL BITMAPOBJ_GetRealBitsPixel(INT nBitsPixel);
  48 HBITMAP FASTCALL BITMAPOBJ_CopyBitmap (HBITMAP  hBitmap);
  49 INT     FASTCALL DIB_GetDIBWidthBytes (INT  width, INT  depth);
  50 int     NTAPI  DIB_GetDIBImageBytes (INT  width, INT  height, INT  depth);
  51 INT     FASTCALL DIB_BitmapInfoSize (const BITMAPINFO * info, WORD coloruse);
  52 INT     NTAPI  BITMAP_GetObject(BITMAPOBJ * bmp, INT count, LPVOID buffer);
  53 HBITMAP FASTCALL BitmapToSurf(PBITMAPOBJ BitmapObj, HDEV GDIDevice);
  54
  55 #endif
  56