Source code of Windows XP (NT5)
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/*----------------------------------------------------------------------------*\
| Routines for dealing with Device independent bitmaps || || History: || 06/23/89 toddla Created || |\*----------------------------------------------------------------------------*/
HANDLE OpenDIB(LPTSTR szFile, HFILE fh);UINT PaletteSize(VOID FAR * pv);UINT DibNumColors(VOID FAR * pv);HANDLE DibFromBitmap(HBITMAP hbm, DWORD biStyle, WORD biBits, HPALETTE hpal, UINT wUsage);BOOL DibBlt(HDC hdc, int x0, int y0, int dx, int dy, HANDLE hdib, int x1, int y1, LONG rop, UINT wUsage);BOOL DibInfo(LPBITMAPINFOHEADER lpbiSource, LPBITMAPINFOHEADER lpbiTarget);HANDLE ReadDibBitmapInfo(HFILE fh);
#define BFT_ICON 0x4349 /* 'IC' */
#define BFT_BITMAP 0x4d42 /* 'BM' */
#define BFT_CURSOR 0x5450 /* 'PT' */
#define WIDTHBYTES(i) ((i+31)/32*4) /* ULONG aligned ! */
#define ALIGNULONG(i) ((i+3)/4*4) /* ULONG aligned ! */
#define ISDIB(bft) ((bft) == BFT_BITMAP)
#define DIBWIDTHBYTES(bi) (int)WIDTHBYTES((int)(bi).biWidth * (int)(bi).biBitCount)
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