+++ /dev/null
-/*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 "convert.h"
-#include <assert.h>
-#include <string.h>
-
-#define Assert assert
-
-/* converting image from depths 8, 24, 32 to 8, 16, 24, 32 */
-
-void icvvConvert( int w, int h, int src_s, int src_d, char* src,
- int dst_s, int dst_d, char* dst )
-{
- int x;
- int y;
- int x3;
- unsigned short val;
- unsigned short v1;
- unsigned short v2;
- unsigned short v3;
-
- Assert( w > 0 );
- Assert( h > 0 );
- Assert( src_s >= w * src_d / 8 );
- Assert( dst_s >= w * dst_d / 8 );
- Assert( src );
- Assert( dst );
-
- switch(src_d)
- {
- case 8:
- switch(dst_d)
- {
- case 8:
- for( y = 0; y < h; y++, src += src_s, dst+= dst_s )
- memcpy( dst, src, w );
- break;
- case 16:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0; x < w; x++ )
- {
- val = (unsigned char)src[x];
- *(unsigned short*)(dst + x * 2) = ((val & ~3) << 3) +
- (val >> 3) +
- ((val & ~7) << 8);
- }
- break;
- case 24:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0, x3 = 0; x < w; x++, x3 += 3 )
- dst[x3] = dst[x3 + 1] = dst[x3 + 2] = src[x];
- break;
- case 32:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0; x < w; x++ )
- {
- dst[x * 4] = dst[x * 4 + 1] = dst[x * 4 + 2] = src[x];
- dst[x * 4 + 3] = 0;
- }
- break;
- }
- break;
-
- case 24:
- switch(dst_d)
- {
- case 8:
- for( y = 0; y < h; y++, src += src_s, dst+= dst_s )
- for( x = 0, x3 = 0; x < w; x++, x3 += 3 )
- dst[x] = (src[x3] + src[x3 + 1] + src[x3 + 2]) / 3;
- break;
- case 16:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0, x3 = 0; x < w; x++, x3 += 3 )
- {
- v1 = (unsigned char)src[x3];
- v2 = (unsigned char)src[x3 + 1];
- v3 = (unsigned char)src[x3 + 2];
- ((unsigned short*)(dst))[x] = (v1 >> 3) +
- ((v2 & ~3) << 3) +
- ((v3 & ~7) << 8);
- }
- break;
- case 24:
- for( y = 0; y < h; y++, src += src_s, dst+= dst_s )
- memcpy( dst, src, w * 3 );
- break;
- case 32:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0, x3 = 0; x < w; x++, x3 += 3 )
- {
- dst[x * 4] = src[x3];
- dst[x * 4 + 1] = src[x3 + 1];
- dst[x * 4 + 2] = src[x3 + 2];
- dst[x * 4 + 3] = 0;
- }
- break;
- }
- break;
-
- case 32:
- switch(dst_d)
- {
- case 8:
- for( y = 0; y < h; y++, src += src_s, dst+= dst_s )
- for( x = 0; x < w; x++ )
- dst[x] = (src[x * 4] + src[x * 4 + 1] + src[x * 4 + 2]) / 3;
- break;
- case 16:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0; x < w; x++ )
- {
- v1 = (unsigned char)src[x * 4];
- v2 = (unsigned char)src[x * 4 + 1];
- v3 = (unsigned char)src[x * 4 + 2];
- ((unsigned short*)(dst))[x] = (v1 >> 3) + ((v2 & ~3) << 3) + ((v3 & ~7) << 8);
- }
- break;
- case 24:
- for( y = 0; y < h; y++, src += src_s, dst += dst_s )
- for( x = 0, x3 = 0; x < w; x++, x3 += 3 )
- {
- dst[x3] = src[x * 4];
- dst[x3 + 1] = src[x * 4 + 1];
- dst[x3 + 2] = src[x * 4 + 2];
- }
- break;
- case 32:
- for( y = 0; y < h; y++, src += src_s, dst+= dst_s )
- memcpy( dst, src, w * 4 );
- break;
- }
- break;
-
- default:
- return;
- }
-}
-
projects / opencv / blobdiff