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129 lines
6.3 KiB
C++
129 lines
6.3 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef _UTILS_H_
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#define _UTILS_H_
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struct PaletteEntry
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{
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unsigned char b, g, r, a;
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};
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#define WRITE_PIX( ptr, clr ) \
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(((uchar*)(ptr))[0] = (clr).b, \
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((uchar*)(ptr))[1] = (clr).g, \
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((uchar*)(ptr))[2] = (clr).r)
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#define descale(x,n) (((x) + (1 << ((n)-1))) >> (n))
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#define saturate(x) (uchar)(((x) & ~255) == 0 ? (x) : ~((x)>>31))
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void icvCvt_BGR2Gray_8u_C3C1R( const uchar* bgr, int bgr_step,
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uchar* gray, int gray_step,
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CvSize size, int swap_rb=0 );
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void icvCvt_BGRA2Gray_8u_C4C1R( const uchar* bgra, int bgra_step,
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uchar* gray, int gray_step,
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CvSize size, int swap_rb=0 );
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void icvCvt_BGRA2Gray_16u_CnC1R( const ushort* bgra, int bgra_step,
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ushort* gray, int gray_step,
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CvSize size, int ncn, int swap_rb=0 );
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void icvCvt_Gray2BGR_8u_C1C3R( const uchar* gray, int gray_step,
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uchar* bgr, int bgr_step, CvSize size );
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void icvCvt_Gray2BGR_16u_C1C3R( const ushort* gray, int gray_step,
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ushort* bgr, int bgr_step, CvSize size );
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void icvCvt_BGRA2BGR_8u_C4C3R( const uchar* bgra, int bgra_step,
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uchar* bgr, int bgr_step,
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CvSize size, int swap_rb=0 );
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void icvCvt_BGRA2BGR_16u_C4C3R( const ushort* bgra, int bgra_step,
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ushort* bgr, int bgr_step,
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CvSize size, int _swap_rb );
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void icvCvt_BGR2RGB_8u_C3R( const uchar* bgr, int bgr_step,
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uchar* rgb, int rgb_step, CvSize size );
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#define icvCvt_RGB2BGR_8u_C3R icvCvt_BGR2RGB_8u_C3R
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void icvCvt_BGR2RGB_16u_C3R( const ushort* bgr, int bgr_step,
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ushort* rgb, int rgb_step, CvSize size );
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#define icvCvt_RGB2BGR_16u_C3R icvCvt_BGR2RGB_16u_C3R
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void icvCvt_BGRA2RGBA_8u_C4R( const uchar* bgra, int bgra_step,
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uchar* rgba, int rgba_step, CvSize size );
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#define icvCvt_RGBA2BGRA_8u_C4R icvCvt_BGRA2RGBA_8u_C4R
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void icvCvt_BGRA2RGBA_16u_C4R( const ushort* bgra, int bgra_step,
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ushort* rgba, int rgba_step, CvSize size );
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#define icvCvt_RGBA2BGRA_16u_C4R icvCvt_BGRA2RGBA_16u_C4R
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void icvCvt_BGR5552Gray_8u_C2C1R( const uchar* bgr555, int bgr555_step,
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uchar* gray, int gray_step, CvSize size );
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void icvCvt_BGR5652Gray_8u_C2C1R( const uchar* bgr565, int bgr565_step,
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uchar* gray, int gray_step, CvSize size );
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void icvCvt_BGR5552BGR_8u_C2C3R( const uchar* bgr555, int bgr555_step,
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uchar* bgr, int bgr_step, CvSize size );
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void icvCvt_BGR5652BGR_8u_C2C3R( const uchar* bgr565, int bgr565_step,
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uchar* bgr, int bgr_step, CvSize size );
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void icvCvt_CMYK2BGR_8u_C4C3R( const uchar* cmyk, int cmyk_step,
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uchar* bgr, int bgr_step, CvSize size );
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void icvCvt_CMYK2Gray_8u_C4C1R( const uchar* ycck, int ycck_step,
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uchar* gray, int gray_step, CvSize size );
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void FillGrayPalette( PaletteEntry* palette, int bpp, bool negative = false );
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bool IsColorPalette( PaletteEntry* palette, int bpp );
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void CvtPaletteToGray( const PaletteEntry* palette, uchar* grayPalette, int entries );
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uchar* FillUniColor( uchar* data, uchar*& line_end, int step, int width3,
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int& y, int height, int count3, PaletteEntry clr );
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uchar* FillUniGray( uchar* data, uchar*& line_end, int step, int width3,
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int& y, int height, int count3, uchar clr );
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uchar* FillColorRow8( uchar* data, uchar* indices, int len, PaletteEntry* palette );
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uchar* FillGrayRow8( uchar* data, uchar* indices, int len, uchar* palette );
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uchar* FillColorRow4( uchar* data, uchar* indices, int len, PaletteEntry* palette );
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uchar* FillGrayRow4( uchar* data, uchar* indices, int len, uchar* palette );
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uchar* FillColorRow1( uchar* data, uchar* indices, int len, PaletteEntry* palette );
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uchar* FillGrayRow1( uchar* data, uchar* indices, int len, uchar* palette );
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CV_INLINE bool isBigEndian( void )
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{
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return (((const int*)"\0\x1\x2\x3\x4\x5\x6\x7")[0] & 255) != 0;
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}
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#endif/*_UTILS_H_*/
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