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 45struct 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 58void icvCvt_BGR2Gray_16u_C3C1R( const ushort* bgr, int bgr_step, 59 ushort* gray, int gray_step, 60 CvSize size, int swap_rb=0 ); 61void icvCvt_BGR2Gray_8u_C3C1R( const uchar* bgr, int bgr_step, 62 uchar* gray, int gray_step, 63 CvSize size, int swap_rb=0 ); 64void icvCvt_BGRA2Gray_8u_C4C1R( const uchar* bgra, int bgra_step, 65 uchar* gray, int gray_step, 66 CvSize size, int swap_rb=0 ); 67void icvCvt_Gray2BGR_8u_C1C3R( const uchar* gray, int gray_step, 68 uchar* bgr, int bgr_step, CvSize size ); 69void icvCvt_BGRA2BGR_8u_C4C3R( const uchar* bgra, int bgra_step, 70 uchar* bgr, int bgr_step, 71 CvSize size, int swap_rb=0 ); 72void 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 75void 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 79void 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 83void icvCvt_BGR5552Gray_8u_C2C1R( const uchar* bgr555, int bgr555_step, 84 uchar* gray, int gray_step, CvSize size ); 85void icvCvt_BGR5652Gray_8u_C2C1R( const uchar* bgr565, int bgr565_step, 86 uchar* gray, int gray_step, CvSize size ); 87void icvCvt_BGR5552BGR_8u_C2C3R( const uchar* bgr555, int bgr555_step, 88 uchar* bgr, int bgr_step, CvSize size ); 89void icvCvt_BGR5652BGR_8u_C2C3R( const uchar* bgr565, int bgr565_step, 90 uchar* bgr, int bgr_step, CvSize size ); 91void icvCvt_CMYK2BGR_8u_C4C3R( const uchar* cmyk, int cmyk_step, 92 uchar* bgr, int bgr_step, CvSize size ); 93void icvCvt_CMYK2Gray_8u_C4C1R( const uchar* ycck, int ycck_step, 94 uchar* gray, int gray_step, CvSize size ); 95 96void FillGrayPalette( PaletteEntry* palette, int bpp, bool negative = false ); 97bool IsColorPalette( PaletteEntry* palette, int bpp ); 98void CvtPaletteToGray( const PaletteEntry* palette, uchar* grayPalette, int entries ); 99uchar* FillUniColor( uchar* data, uchar*& line_end, int step, int width3, 100 int& y, int height, int count3, PaletteEntry clr ); 101uchar* FillUniGray( uchar* data, uchar*& line_end, int step, int width3, 102 int& y, int height, int count3, uchar clr ); 103 104uchar* FillColorRow8( uchar* data, uchar* indices, int len, PaletteEntry* palette ); 105uchar* FillGrayRow8( uchar* data, uchar* indices, int len, uchar* palette ); 106uchar* FillColorRow4( uchar* data, uchar* indices, int len, PaletteEntry* palette ); 107uchar* FillGrayRow4( uchar* data, uchar* indices, int len, uchar* palette ); 108uchar* FillColorRow1( uchar* data, uchar* indices, int len, PaletteEntry* palette ); 109uchar* FillGrayRow1( uchar* data, uchar* indices, int len, uchar* palette ); 110 111CV_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