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

   1
   2 #ifndef __WIN32K_BITMAPS_H
   3 #define __WIN32K_BITMAPS_H
   4
   5 #include "win32.h"
   6 #include "gdiobj.h"
   7
   8 /* GDI logical bitmap object */
   9 typedef struct _BITMAPOBJ
  10 {
  11   BASEOBJECT  BaseObject;
  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   HDC hDC;
  27 } BITMAPOBJ, *PBITMAPOBJ;
  28
  29 #define BITMAPOBJ_IS_APIBITMAP          0x1
  30
  31 /*  Internal interface  */
  32
  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)
  37
  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)
  47
  48 BOOL INTERNAL_CALL BITMAP_Cleanup(PVOID ObjectBody);
  49
  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);
  54
  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);
  63
  64 #endif
  65
  66