1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // Intel License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000, Intel Corporation, all rights reserved. 14 // Third party copyrights are property of their respective owners. 15 // 16 // Redistribution and use in source and binary forms, with or without modification, 17 // are permitted provided that the following conditions are met: 18 // 19 // * Redistribution's of source code must retain the above copyright notice, 20 // this list of conditions and the following disclaimer. 21 // 22 // * Redistribution's in binary form must reproduce the above copyright notice, 23 // this list of conditions and the following disclaimer in the documentation 24 // and/or other materials provided with the distribution. 25 // 26 // * The name of Intel Corporation may not be used to endorse or promote products 27 // derived from this software without specific prior written permission. 28 // 29 // This software is provided by the copyright holders and contributors "as is" and 30 // any express or implied warranties, including, but not limited to, the implied 31 // warranties of merchantability and fitness for a particular purpose are disclaimed. 32 // In no event shall the Intel Corporation or contributors be liable for any direct, 33 // indirect, incidental, special, exemplary, or consequential damages 34 // (including, but not limited to, procurement of substitute goods or services; 35 // loss of use, data, or profits; or business interruption) however caused 36 // and on any theory of liability, whether in contract, strict liability, 37 // or tort (including negligence or otherwise) arising in any way out of 38 // the use of this software, even if advised of the possibility of such damage. 39 // 40 //M*/ 41 42 #ifndef _UTILS_H_ 43 #define _UTILS_H_ 44 45 struct PaletteEntry 46 { 47 unsigned char b, g, r, a; 48 }; 49 50 #define WRITE_PIX( ptr, clr ) \ 51 (((uchar*)(ptr))[0] = (clr).b, \ 52 ((uchar*)(ptr))[1] = (clr).g, \ 53 ((uchar*)(ptr))[2] = (clr).r) 54 55 #define descale(x,n) (((x) + (1 << ((n)-1))) >> (n)) 56 #define saturate(x) (uchar)(((x) & ~255) == 0 ? (x) : ~((x)>>31)) 57 58 void icvCvt_BGR2Gray_16u_C3C1R( const ushort* bgr, int bgr_step, 59 ushort* gray, int gray_step, 60 CvSize size, int swap_rb=0 ); 61 void icvCvt_BGR2Gray_8u_C3C1R( const uchar* bgr, int bgr_step, 62 uchar* gray, int gray_step, 63 CvSize size, int swap_rb=0 ); 64 void icvCvt_BGRA2Gray_8u_C4C1R( const uchar* bgra, int bgra_step, 65 uchar* gray, int gray_step, 66 CvSize size, int swap_rb=0 ); 67 void icvCvt_Gray2BGR_8u_C1C3R( const uchar* gray, int gray_step, 68 uchar* bgr, int bgr_step, CvSize size ); 69 void icvCvt_BGRA2BGR_8u_C4C3R( const uchar* bgra, int bgra_step, 70 uchar* bgr, int bgr_step, 71 CvSize size, int swap_rb=0 ); 72 void icvCvt_BGR2RGB_8u_C3R( const uchar* bgr, int bgr_step, 73 uchar* rgb, int rgb_step, CvSize size ); 74 #define icvCvt_RGB2BGR_8u_C3R icvCvt_BGR2RGB_8u_C3R 75 void icvCvt_BGR2RGB_16u_C3R( const ushort* bgr, int bgr_step, 76 ushort* rgb, int rgb_step, CvSize size ); 77 #define icvCvt_RGB2BGR_16u_C3R icvCvt_BGR2RGB_16u_C3R 78 79 void icvCvt_BGRA2RGBA_8u_C4R( const uchar* bgra, int bgra_step, 80 uchar* rgba, int rgba_step, CvSize size ); 81 #define icvCvt_RGBA2BGRA_8u_C4R icvCvt_BGRA2RGBA_8u_C4R 82 83 void icvCvt_BGR5552Gray_8u_C2C1R( const uchar* bgr555, int bgr555_step, 84 uchar* gray, int gray_step, CvSize size ); 85 void icvCvt_BGR5652Gray_8u_C2C1R( const uchar* bgr565, int bgr565_step, 86 uchar* gray, int gray_step, CvSize size ); 87 void icvCvt_BGR5552BGR_8u_C2C3R( const uchar* bgr555, int bgr555_step, 88 uchar* bgr, int bgr_step, CvSize size ); 89 void icvCvt_BGR5652BGR_8u_C2C3R( const uchar* bgr565, int bgr565_step, 90 uchar* bgr, int bgr_step, CvSize size ); 91 void icvCvt_CMYK2BGR_8u_C4C3R( const uchar* cmyk, int cmyk_step, 92 uchar* bgr, int bgr_step, CvSize size ); 93 void icvCvt_CMYK2Gray_8u_C4C1R( const uchar* ycck, int ycck_step, 94 uchar* gray, int gray_step, CvSize size ); 95 96 void FillGrayPalette( PaletteEntry* palette, int bpp, bool negative = false ); 97 bool IsColorPalette( PaletteEntry* palette, int bpp ); 98 void CvtPaletteToGray( const PaletteEntry* palette, uchar* grayPalette, int entries ); 99 uchar* FillUniColor( uchar* data, uchar*& line_end, int step, int width3, 100 int& y, int height, int count3, PaletteEntry clr ); 101 uchar* FillUniGray( uchar* data, uchar*& line_end, int step, int width3, 102 int& y, int height, int count3, uchar clr ); 103 104 uchar* FillColorRow8( uchar* data, uchar* indices, int len, PaletteEntry* palette ); 105 uchar* FillGrayRow8( uchar* data, uchar* indices, int len, uchar* palette ); 106 uchar* FillColorRow4( uchar* data, uchar* indices, int len, PaletteEntry* palette ); 107 uchar* FillGrayRow4( uchar* data, uchar* indices, int len, uchar* palette ); 108 uchar* FillColorRow1( uchar* data, uchar* indices, int len, PaletteEntry* palette ); 109 uchar* FillGrayRow1( uchar* data, uchar* indices, int len, uchar* palette ); 110 111 CV_INLINE bool isBigEndian( void ) 112 { 113 return (((const int*)"\0\x1\x2\x3\x4\x5\x6\x7")[0] & 255) != 0; 114 } 115 116 #endif/*_UTILS_H_*/ 117
