1 /*M///////////////////////////////////////////////////////////////////////////////////////
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10 // Intel License Agreement
11 // For Open Source Computer Vision Library
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45 typedef unsigned char uchar;
49 unsigned char b, g, r, a;
52 #define WRITE_PIX( ptr, clr ) \
53 (((uchar*)(ptr))[0] = (clr).b, \
54 ((uchar*)(ptr))[1] = (clr).g, \
55 ((uchar*)(ptr))[2] = (clr).r)
57 #define descale(x,n) (((x) + (1 << ((n)-1))) >> (n))
58 #define saturate(x) (uchar)(((x) & ~255) == 0 ? (x) : ~((x)>>31))
60 void CvtBGRToGray( const uchar* bgr, uchar* gray, int len );
61 void CvtRGBToGray( const uchar* rgb, uchar* gray, int len );
62 void CvtRGBToBGR( const uchar* rgb, uchar* bgr, int len );
63 void FillGrayPalette( PaletteEntry* palette, int bpp );
65 void CvtPaletteToGray( const PaletteEntry* palette, uchar* grayPalette, int entries );
67 void CalcShifts( uchar* data, uchar* line_end, int width3,
68 int y, int height, int& x_shift3, int& y_shift );
70 uchar* FillUni( uchar* data, uchar* line_end, int width3, int delta,
71 int x_shift3, int y_shift, PaletteEntry clr, int color );
73 uchar* FillRow32( uchar* data, uchar* src, int len );
75 uchar* FillColorRow8( uchar* data, uchar* indices, int len, PaletteEntry* palette );
77 uchar* FillGrayRow8( uchar* data, uchar* indices, int len, uchar* palette );
79 uchar* FillColorRow4( uchar* data, uchar* indices, int len, PaletteEntry* palette );
81 uchar* FillGrayRow4( uchar* data, uchar* indices, int len, uchar* palette );
83 uchar* FillColorRow1( uchar* data, uchar* indices, int len, PaletteEntry* palette );
85 uchar* FillGrayRow1( uchar* data, uchar* indices, int len, uchar* palette );