windows-nt/Source/XPSP1/NT/multimedia/media/avi/avicap.io/dibmap.h
2020-09-26 16:20:57 +08:00

32 lines
1.3 KiB
C

/****************************************************************************
*
* dibmap.h
*
* Microsoft Video for Windows Sample Capture Class
*
* Copyright (c) 1992-1994 Microsoft Corporation. All Rights Reserved.
*
* You have a royalty-free right to use, modify, reproduce and
* distribute the Sample Files (and/or any modified version) in
* any way you find useful, provided that you agree that
* Microsoft has no warranty obligations or liability for any
* Sample Application Files which are modified.
*
***************************************************************************/
#ifndef _LPHISTOGRAM_DEFINED
#define _LPHISTOGRAM_DEFINED
typedef DWORD HUGE * LPHISTOGRAM;
#endif
#define RGB16(r,g,b) (\
(((WORD)(r) >> 3) << 10) | \
(((WORD)(g) >> 3) << 5) | \
(((WORD)(b) >> 3) << 0) )
LPHISTOGRAM InitHistogram(LPHISTOGRAM lpHistogram);
void FreeHistogram(LPHISTOGRAM lpHistogram);
HPALETTE HistogramPalette(LPHISTOGRAM lpHistogram, LPBYTE lp16to8, int nColors);
BOOL DibHistogram(LPBITMAPINFOHEADER lpbi, LPBYTE lpBits, int x, int y, int dx, int dy, LPHISTOGRAM lpHistogram);
HANDLE DibReduce(LPBITMAPINFOHEADER lpbi, LPBYTE lpBits, HPALETTE hpal, LPBYTE lp16to8);