X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fhighgui%2Futils.cpp;fp=src%2Fhighgui%2Futils.cpp;h=c52d20e8af4a13225e0606775a4d381b2e1ab173;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hp=0000000000000000000000000000000000000000;hpb=454138ff8a20f6edb9b65a910101403d8b520643;p=opencv diff --git a/src/highgui/utils.cpp b/src/highgui/utils.cpp new file mode 100644 index 0000000..c52d20e --- /dev/null +++ b/src/highgui/utils.cpp @@ -0,0 +1,635 @@ +/*M/////////////////////////////////////////////////////////////////////////////////////// +// +// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. +// +// By downloading, copying, installing or using the software you agree to this license. +// If you do not agree to this license, do not download, install, +// copy or use the software. +// +// +// Intel License Agreement +// For Open Source Computer Vision Library +// +// Copyright (C) 2000, Intel Corporation, all rights reserved. +// Third party copyrights are property of their respective owners. +// +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistribution's of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// * Redistribution's in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and/or other materials provided with the distribution. +// +// * The name of Intel Corporation may not be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// This software is provided by the copyright holders and contributors "as is" and +// any express or implied warranties, including, but not limited to, the implied +// warranties of merchantability and fitness for a particular purpose are disclaimed. +// In no event shall the Intel Corporation or contributors be liable for any direct, +// indirect, incidental, special, exemplary, or consequential damages +// (including, but not limited to, procurement of substitute goods or services; +// loss of use, data, or profits; or business interruption) however caused +// and on any theory of liability, whether in contract, strict liability, +// or tort (including negligence or otherwise) arising in any way out of +// the use of this software, even if advised of the possibility of such damage. +// +//M*/ + +#include "_highgui.h" +#include "utils.h" + +#define SCALE 14 +#define cR (int)(0.299*(1 << SCALE) + 0.5) +#define cG (int)(0.587*(1 << SCALE) + 0.5) +#define cB ((1 << SCALE) - cR - cG) + +void icvCvt_BGR2Gray_8u_C3C1R( const uchar* rgb, int rgb_step, + uchar* gray, int gray_step, + CvSize size, int _swap_rb ) +{ + int i; + int swap_rb = _swap_rb ? 2 : 0; + for( ; size.height--; gray += gray_step ) + { + for( i = 0; i < size.width; i++, rgb += 3 ) + { + int t = descale( rgb[swap_rb]*cB + rgb[1]*cG + rgb[swap_rb^2]*cR, SCALE ); + gray[i] = (uchar)t; + } + + rgb += rgb_step - size.width*3; + } +} + + +void icvCvt_BGR2Gray_16u_C3C1R( const ushort* rgb, int rgb_step, + ushort* gray, int gray_step, + CvSize size, int _swap_rb ) +{ + int i; + int swap_rb = _swap_rb ? 2 : 0; + for( ; size.height--; gray += gray_step ) + { + for( i = 0; i < size.width; i++, rgb += 3 ) + { + int t = descale( rgb[swap_rb]*cB + rgb[1]*cG + rgb[swap_rb^2]*cR, SCALE ); + gray[i] = (ushort)t; + } + + rgb += rgb_step - size.width*3; + } +} + + +void icvCvt_BGRA2Gray_8u_C4C1R( const uchar* rgba, int rgba_step, + uchar* gray, int gray_step, + CvSize size, int _swap_rb ) +{ + int i; + int swap_rb = _swap_rb ? 2 : 0; + for( ; size.height--; gray += gray_step ) + { + for( i = 0; i < size.width; i++, rgba += 4 ) + { + int t = descale( rgba[swap_rb]*cB + rgba[1]*cG + rgba[swap_rb^2]*cR, SCALE ); + gray[i] = (uchar)t; + } + + rgba += rgba_step - size.width*4; + } +} + + +void icvCvt_Gray2BGR_8u_C1C3R( const uchar* gray, int gray_step, + uchar* bgr, int bgr_step, CvSize size ) +{ + int i; + for( ; size.height--; gray += gray_step ) + { + for( i = 0; i < size.width; i++, bgr += 3 ) + { + bgr[0] = bgr[1] = bgr[2] = gray[i]; + } + bgr += bgr_step - size.width*3; + } +} + + +void icvCvt_BGRA2BGR_8u_C4C3R( const uchar* bgra, int bgra_step, + uchar* bgr, int bgr_step, + CvSize size, int _swap_rb ) +{ + int i; + int swap_rb = _swap_rb ? 2 : 0; + for( ; size.height--; ) + { + for( i = 0; i < size.width; i++, bgr += 3, bgra += 4 ) + { + uchar t0 = bgra[swap_rb], t1 = bgra[1]; + bgr[0] = t0; bgr[1] = t1; + t0 = bgra[swap_rb^2]; bgr[2] = t0; + } + bgr += bgr_step - size.width*3; + bgra += bgra_step - size.width*4; + } +} + + +void icvCvt_BGRA2RGBA_8u_C4R( const uchar* bgra, int bgra_step, + uchar* rgba, int rgba_step, CvSize size ) +{ + int i; + for( ; size.height--; ) + { + for( i = 0; i < size.width; i++, bgra += 4, rgba += 4 ) + { + uchar t0 = bgra[0], t1 = bgra[1]; + uchar t2 = bgra[2], t3 = bgra[3]; + rgba[0] = t2; rgba[1] = t1; + rgba[2] = t0; rgba[3] = t3; + } + bgra += bgra_step - size.width*4; + rgba += rgba_step - size.width*4; + } +} + + +void icvCvt_BGR2RGB_8u_C3R( const uchar* bgr, int bgr_step, + uchar* rgb, int rgb_step, CvSize size ) +{ + int i; + for( ; size.height--; ) + { + for( i = 0; i < size.width; i++, bgr += 3, rgb += 3 ) + { + uchar t0 = bgr[0], t1 = bgr[1], t2 = bgr[2]; + rgb[2] = t0; rgb[1] = t1; rgb[0] = t2; + } + bgr += bgr_step - size.width*3; + rgb += rgb_step - size.width*3; + } +} + + +void icvCvt_BGR2RGB_16u_C3R( const ushort* bgr, int bgr_step, + ushort* rgb, int rgb_step, CvSize size ) +{ + int i; + for( ; size.height--; ) + { + for( i = 0; i < size.width; i++, bgr += 3, rgb += 3 ) + { + ushort t0 = bgr[0], t1 = bgr[1], t2 = bgr[2]; + rgb[2] = t0; rgb[1] = t1; rgb[0] = t2; + } + bgr += bgr_step - size.width*3; + rgb += rgb_step - size.width*3; + } +} + + +typedef unsigned short ushort; + +void icvCvt_BGR5552Gray_8u_C2C1R( const uchar* bgr555, int bgr555_step, + uchar* gray, int gray_step, CvSize size ) +{ + int i; + for( ; size.height--; gray += gray_step, bgr555 += bgr555_step ) + { + for( i = 0; i < size.width; i++ ) + { + int t = descale( ((((ushort*)bgr555)[i] << 3) & 0xf8)*cB + + ((((ushort*)bgr555)[i] >> 2) & 0xf8)*cG + + ((((ushort*)bgr555)[i] >> 7) & 0xf8)*cR, SCALE ); + gray[i] = (uchar)t; + } + } +} + + +void icvCvt_BGR5652Gray_8u_C2C1R( const uchar* bgr565, int bgr565_step, + uchar* gray, int gray_step, CvSize size ) +{ + int i; + for( ; size.height--; gray += gray_step, bgr565 += bgr565_step ) + { + for( i = 0; i < size.width; i++ ) + { + int t = descale( ((((ushort*)bgr565)[i] << 3) & 0xf8)*cB + + ((((ushort*)bgr565)[i] >> 3) & 0xfc)*cG + + ((((ushort*)bgr565)[i] >> 8) & 0xf8)*cR, SCALE ); + gray[i] = (uchar)t; + } + } +} + + +void icvCvt_BGR5552BGR_8u_C2C3R( const uchar* bgr555, int bgr555_step, + uchar* bgr, int bgr_step, CvSize size ) +{ + int i; + for( ; size.height--; bgr555 += bgr555_step ) + { + for( i = 0; i < size.width; i++, bgr += 3 ) + { + int t0 = (((ushort*)bgr555)[i] << 3) & 0xf8; + int t1 = (((ushort*)bgr555)[i] >> 2) & 0xf8; + int t2 = (((ushort*)bgr555)[i] >> 7) & 0xf8; + bgr[0] = (uchar)t0; bgr[1] = (uchar)t1; bgr[2] = (uchar)t2; + } + bgr += bgr_step - size.width*3; + } +} + + +void icvCvt_BGR5652BGR_8u_C2C3R( const uchar* bgr565, int bgr565_step, + uchar* bgr, int bgr_step, CvSize size ) +{ + int i; + for( ; size.height--; bgr565 += bgr565_step ) + { + for( i = 0; i < size.width; i++, bgr += 3 ) + { + int t0 = (((ushort*)bgr565)[i] << 3) & 0xf8; + int t1 = (((ushort*)bgr565)[i] >> 3) & 0xfc; + int t2 = (((ushort*)bgr565)[i] >> 8) & 0xf8; + bgr[0] = (uchar)t0; bgr[1] = (uchar)t1; bgr[2] = (uchar)t2; + } + bgr += bgr_step - size.width*3; + } +} + + +void icvCvt_CMYK2BGR_8u_C4C3R( const uchar* cmyk, int cmyk_step, + uchar* bgr, int bgr_step, CvSize size ) +{ + int i; + for( ; size.height--; ) + { + for( i = 0; i < size.width; i++, bgr += 3, cmyk += 4 ) + { + int c = cmyk[0], m = cmyk[1], y = cmyk[2], k = cmyk[3]; + c = k - ((255 - c)*k>>8); + m = k - ((255 - m)*k>>8); + y = k - ((255 - y)*k>>8); + bgr[2] = (uchar)c; bgr[1] = (uchar)m; bgr[0] = (uchar)y; + } + bgr += bgr_step - size.width*3; + cmyk += cmyk_step - size.width*4; + } +} + + +void icvCvt_CMYK2Gray_8u_C4C1R( const uchar* cmyk, int cmyk_step, + uchar* gray, int gray_step, CvSize size ) +{ + int i; + for( ; size.height--; ) + { + for( i = 0; i < size.width; i++, cmyk += 4 ) + { + int c = cmyk[0], m = cmyk[1], y = cmyk[2], k = cmyk[3]; + c = k - ((255 - c)*k>>8); + m = k - ((255 - m)*k>>8); + y = k - ((255 - y)*k>>8); + int t = descale( y*cB + m*cG + c*cR, SCALE ); + gray[i] = (uchar)t; + } + gray += gray_step; + cmyk += cmyk_step - size.width*4; + } +} + + +void CvtPaletteToGray( const PaletteEntry* palette, uchar* grayPalette, int entries ) +{ + int i; + for( i = 0; i < entries; i++ ) + { + icvCvt_BGR2Gray_8u_C3C1R( (uchar*)(palette + i), 0, grayPalette + i, 0, cvSize(1,1) ); + } +} + + +void FillGrayPalette( PaletteEntry* palette, int bpp, bool negative ) +{ + int i, length = 1 << bpp; + int xor_mask = negative ? 255 : 0; + + for( i = 0; i < length; i++ ) + { + int val = (i * 255/(length - 1)) ^ xor_mask; + palette[i].b = palette[i].g = palette[i].r = (uchar)val; + palette[i].a = 0; + } +} + + +bool IsColorPalette( PaletteEntry* palette, int bpp ) +{ + int i, length = 1 << bpp; + + for( i = 0; i < length; i++ ) + { + if( palette[i].b != palette[i].g || + palette[i].b != palette[i].r ) + return true; + } + + return false; +} + + +uchar* FillUniColor( uchar* data, uchar*& line_end, + int step, int width3, + int& y, int height, + int count3, PaletteEntry clr ) +{ + do + { + uchar* end = data + count3; + + if( end > line_end ) + end = line_end; + + count3 -= (int)(end - data); + + for( ; data < end; data += 3 ) + { + WRITE_PIX( data, clr ); + } + + if( data >= line_end ) + { + line_end += step; + data = line_end - width3; + if( ++y >= height ) break; + } + } + while( count3 > 0 ); + + return data; +} + + +uchar* FillUniGray( uchar* data, uchar*& line_end, + int step, int width, + int& y, int height, + int count, uchar clr ) +{ + do + { + uchar* end = data + count; + + if( end > line_end ) + end = line_end; + + count -= (int)(end - data); + + for( ; data < end; data++ ) + { + *data = clr; + } + + if( data >= line_end ) + { + line_end += step; + data = line_end - width; + if( ++y >= height ) break; + } + } + while( count > 0 ); + + return data; +} + + +uchar* FillColorRow8( uchar* data, uchar* indices, int len, PaletteEntry* palette ) +{ + uchar* end = data + len*3; + while( (data += 3) < end ) + { + *((PaletteEntry*)(data-3)) = palette[*indices++]; + } + PaletteEntry clr = palette[indices[0]]; + WRITE_PIX( data - 3, clr ); + return data; +} + + +uchar* FillGrayRow8( uchar* data, uchar* indices, int len, uchar* palette ) +{ + int i; + for( i = 0; i < len; i++ ) + { + data[i] = palette[indices[i]]; + } + return data + len; +} + + +uchar* FillColorRow4( uchar* data, uchar* indices, int len, PaletteEntry* palette ) +{ + uchar* end = data + len*3; + + while( (data += 6) < end ) + { + int idx = *indices++; + *((PaletteEntry*)(data-6)) = palette[idx >> 4]; + *((PaletteEntry*)(data-3)) = palette[idx & 15]; + } + + int idx = indices[0]; + PaletteEntry clr = palette[idx >> 4]; + WRITE_PIX( data - 6, clr ); + + if( data == end ) + { + clr = palette[idx & 15]; + WRITE_PIX( data - 3, clr ); + } + return end; +} + + +uchar* FillGrayRow4( uchar* data, uchar* indices, int len, uchar* palette ) +{ + uchar* end = data + len; + while( (data += 2) < end ) + { + int idx = *indices++; + data[-2] = palette[idx >> 4]; + data[-1] = palette[idx & 15]; + } + + int idx = indices[0]; + uchar clr = palette[idx >> 4]; + data[-2] = clr; + + if( data == end ) + { + clr = palette[idx & 15]; + data[-1] = clr; + } + return end; +} + + +uchar* FillColorRow1( uchar* data, uchar* indices, int len, PaletteEntry* palette ) +{ + uchar* end = data + len*3; + + while( (data += 24) < end ) + { + int idx = *indices++; + *((PaletteEntry*)(data - 24)) = palette[(idx & 128) != 0]; + *((PaletteEntry*)(data - 21)) = palette[(idx & 64) != 0]; + *((PaletteEntry*)(data - 18)) = palette[(idx & 32) != 0]; + *((PaletteEntry*)(data - 15)) = palette[(idx & 16) != 0]; + *((PaletteEntry*)(data - 12)) = palette[(idx & 8) != 0]; + *((PaletteEntry*)(data - 9)) = palette[(idx & 4) != 0]; + *((PaletteEntry*)(data - 6)) = palette[(idx & 2) != 0]; + *((PaletteEntry*)(data - 3)) = palette[(idx & 1) != 0]; + } + + int idx = indices[0] << 24; + for( data -= 24; data < end; data += 3, idx += idx ) + { + PaletteEntry clr = palette[idx < 0]; + WRITE_PIX( data, clr ); + } + + return data; +} + + +uchar* FillGrayRow1( uchar* data, uchar* indices, int len, uchar* palette ) +{ + uchar* end = data + len; + + while( (data += 8) < end ) + { + int idx = *indices++; + *((uchar*)(data - 8)) = palette[(idx & 128) != 0]; + *((uchar*)(data - 7)) = palette[(idx & 64) != 0]; + *((uchar*)(data - 6)) = palette[(idx & 32) != 0]; + *((uchar*)(data - 5)) = palette[(idx & 16) != 0]; + *((uchar*)(data - 4)) = palette[(idx & 8) != 0]; + *((uchar*)(data - 3)) = palette[(idx & 4) != 0]; + *((uchar*)(data - 2)) = palette[(idx & 2) != 0]; + *((uchar*)(data - 1)) = palette[(idx & 1) != 0]; + } + + int idx = indices[0] << 24; + for( data -= 8; data < end; data++, idx += idx ) + { + data[0] = palette[idx < 0]; + } + + return data; +} + + +CV_IMPL void +cvConvertImage( const CvArr* srcarr, CvArr* dstarr, int flags ) +{ + CvMat* temp = 0; + + CV_FUNCNAME( "cvConvertImage" ); + + __BEGIN__; + + CvMat srcstub, *src; + CvMat dststub, *dst; + int src_cn, dst_cn, swap_rb = flags & CV_CVTIMG_SWAP_RB; + + CV_CALL( src = cvGetMat( srcarr, &srcstub )); + CV_CALL( dst = cvGetMat( dstarr, &dststub )); + + src_cn = CV_MAT_CN( src->type ); + dst_cn = CV_MAT_CN( dst->type ); + + if( src_cn != 1 && src_cn != 3 && src_cn != 4 ) + CV_ERROR( CV_BadNumChannels, "Source image must have 1, 3 or 4 channels" ); + + if( CV_MAT_DEPTH( dst->type ) != CV_8U ) + CV_ERROR( CV_BadDepth, "Destination image must be 8u" ); + + if( CV_MAT_CN(dst->type) != 1 && CV_MAT_CN(dst->type) != 3 ) + CV_ERROR( CV_BadNumChannels, "Destination image must have 1 or 3 channels" ); + + if( !CV_ARE_DEPTHS_EQ( src, dst )) + { + int src_depth = CV_MAT_DEPTH(src->type); + double scale = src_depth <= CV_8S ? 1 : src_depth <= CV_32S ? 1./256 : 255; + double shift = src_depth == CV_8S || src_depth == CV_16S ? 128 : 0; + + if( !CV_ARE_CNS_EQ( src, dst )) + { + temp = cvCreateMat( src->height, src->width, + (src->type & CV_MAT_CN_MASK)|(dst->type & CV_MAT_DEPTH_MASK)); + cvConvertScale( src, temp, scale, shift ); + src = temp; + } + else + { + cvConvertScale( src, dst, scale, shift ); + src = dst; + } + } + + if( src_cn != dst_cn || (src_cn == 3 && swap_rb) ) + { + uchar *s = src->data.ptr, *d = dst->data.ptr; + int s_step = src->step, d_step = dst->step; + int code = src_cn*10 + dst_cn; + CvSize size = { src->cols, src->rows }; + + if( CV_IS_MAT_CONT(src->type & dst->type) ) + { + size.width *= size.height; + size.height = 1; + s_step = d_step = CV_STUB_STEP; + } + + switch( code ) + { + case 13: + icvCvt_Gray2BGR_8u_C1C3R( s, s_step, d, d_step, size ); + break; + case 31: + icvCvt_BGR2Gray_8u_C3C1R( s, s_step, d, d_step, size, swap_rb ); + break; + case 33: + assert( swap_rb ); + icvCvt_RGB2BGR_8u_C3R( s, s_step, d, d_step, size ); + break; + case 41: + icvCvt_BGRA2Gray_8u_C4C1R( s, s_step, d, d_step, size, swap_rb ); + break; + case 43: + icvCvt_BGRA2BGR_8u_C4C3R( s, s_step, d, d_step, size, swap_rb ); + break; + default: + CV_ERROR( CV_StsUnsupportedFormat, "Unsupported combination of input/output formats" ); + } + src = dst; + } + + if( flags & CV_CVTIMG_FLIP ) + { + CV_CALL( cvFlip( src, dst, 0 )); + } + else if( src != dst ) + { + CV_CALL( cvCopy( src, dst )); + } + + __END__; + + cvReleaseMat( &temp ); +}