"atomic bomb" commit. Reorganized OpenCV directory structure
This commit is contained in:
Vadim Pisarevsky
635
modules/highgui/src/utils.cpp
Normal file
635
modules/highgui/src/utils.cpp
Normal file
@@ -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 "precomp.hpp"
|
||||
#include "utils.hpp"
|
||||
|
||||
#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 );
|
||||
}
|
||||
Reference in New Issue
Block a user