2 #ifndef __WIN32K_BITMAPS_H
3 #define __WIN32K_BITMAPS_H
8 /* GDI logical bitmap object */
9 typedef struct _BITMAPOBJ
11 BASEOBJECT BaseObject
;
16 SIZE dimension
; /* For SetBitmapDimension(), do NOT use
17 to get width/height of bitmap, use
18 bitmap.bmWidth/bitmap.bmHeight for
20 PFAST_MUTEX BitsLock
; /* You need to hold this lock before you touch
21 the actual bits in the bitmap */
23 /* For device-independent bitmaps: */
26 HDC hDC
; // Doc in "Undocumented Windows", page 546, seems to be supported with XP.
27 } BITMAPOBJ
, *PBITMAPOBJ
;
29 #define BITMAPOBJ_IS_APIBITMAP 0x1
31 /* Internal interface */
33 #define BITMAPOBJ_AllocBitmap() ((PBITMAPOBJ) GDIOBJ_AllocObj(GDIObjType_SURF_TYPE))
34 #define BITMAPOBJ_AllocBitmapWithHandle() ((PBITMAPOBJ) GDIOBJ_AllocObjWithHandle(GDI_OBJECT_TYPE_BITMAP))
35 #define BITMAPOBJ_FreeBitmap(pBMObj) GDIOBJ_FreeObj((POBJ) pBMObj, GDIObjType_SURF_TYPE)
36 #define BITMAPOBJ_FreeBitmapByHandle(hBMObj) GDIOBJ_FreeObjByHandle((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP)
38 /* NOTE: Use shared locks! */
39 #define BITMAPOBJ_LockBitmap(hBMObj) \
40 ((PBITMAPOBJ) GDIOBJ_LockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
41 #define BITMAPOBJ_ShareLockBitmap(hBMObj) \
42 ((PBITMAPOBJ) GDIOBJ_ShareLockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
43 #define BITMAPOBJ_UnlockBitmap(pBMObj) \
44 GDIOBJ_UnlockObjByPtr ((POBJ)pBMObj)
45 #define BITMAPOBJ_ShareUnlockBitmap(pBMObj) \
46 GDIOBJ_ShareUnlockObjByPtr ((POBJ)pBMObj)
48 BOOL INTERNAL_CALL
BITMAP_Cleanup(PVOID ObjectBody
);
50 BOOL INTERNAL_CALL
BITMAPOBJ_InitBitsLock(BITMAPOBJ
*pBMObj
);
51 #define BITMAPOBJ_LockBitmapBits(pBMObj) ExEnterCriticalRegionAndAcquireFastMutexUnsafe((pBMObj)->BitsLock)
52 #define BITMAPOBJ_UnlockBitmapBits(pBMObj) ExReleaseFastMutexUnsafeAndLeaveCriticalRegion((pBMObj)->BitsLock)
53 void INTERNAL_CALL
BITMAPOBJ_CleanupBitsLock(BITMAPOBJ
*pBMObj
);
55 INT FASTCALL
BITMAPOBJ_GetWidthBytes (INT bmWidth
, INT bpp
);
56 INT FASTCALL
BITMAPOBJ_GetRealBitsPixel(INT nBitsPixel
);
57 HBITMAP FASTCALL
BITMAPOBJ_CopyBitmap (HBITMAP hBitmap
);
58 INT FASTCALL
DIB_GetDIBWidthBytes (INT width
, INT depth
);
59 int NTAPI
DIB_GetDIBImageBytes (INT width
, INT height
, INT depth
);
60 INT FASTCALL
DIB_BitmapInfoSize (const BITMAPINFO
* info
, WORD coloruse
);
61 INT NTAPI
BITMAP_GetObject(BITMAPOBJ
* bmp
, INT count
, LPVOID buffer
);
62 HBITMAP FASTCALL
BitmapToSurf(PBITMAPOBJ BitmapObj
, HDEV GDIDevice
);