164 lines
5.7 KiB
C++
164 lines
5.7 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "precomp.hpp"
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#include "_vm.h"
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/* Valery Mosyagin */
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static CvStatus
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icvFindRuns( int numLines, /* number of scanlines */
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uchar * prewarp_1, /* prewarp image 1 */
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uchar * prewarp_2, /* prewarp image 2 */
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int *line_lens_1, /* line lengths 1 */
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int *line_lens_2, /* line lengths 2 */
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int *runs_1, /* result runs 1 */
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int *runs_2, /* result runs 2 */
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int *num_runs_1, /* numbers of first runs */
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int *num_runs_2 )
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{
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CvStatus err;
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err = icvFindRunsInOneImage( numLines, prewarp_1, line_lens_1, runs_1, num_runs_1 );
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if( err != CV_NO_ERR )
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return err;
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err = icvFindRunsInOneImage( numLines, prewarp_2, line_lens_2, runs_2, num_runs_2 );
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return err;
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}
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/*======================================================================================*/
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CV_INLINE int
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icvGetColor( uchar * valueRGB )
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{
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int R = *valueRGB;
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int G = *(valueRGB + 1);
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int B = *(valueRGB + 2);
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return ( ((R + G + B) >> 3) & 0xFFFC );
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} /* vm_GetColor */
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/*======================================================================================*/
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CvStatus
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icvFindRunsInOneImage( int numLines, /* number of scanlines */
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uchar * prewarp, /* prewarp image */
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int *line_lens, /* line lengths in pixels */
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int *runs, /* result runs */
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int *num_runs )
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{
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int epiLine;
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int run_index;
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int curr_color;
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int index;
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int color;
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uchar *curr_point;
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int num;
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run_index = 0;
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curr_point = prewarp;
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for( epiLine = 0; epiLine < numLines; epiLine++ )
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{
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curr_color = icvGetColor( curr_point );
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runs[run_index++] = 0;
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runs[run_index++] = curr_color;
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curr_point += 3;
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num = 1;
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for( index = 1; index < line_lens[epiLine]; index++ )
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{
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color = icvGetColor( curr_point );
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if( color != curr_color )
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{
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runs[run_index++] = index;
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runs[run_index++] = color;
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curr_color = color;
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num++;
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}
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curr_point += 3;
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}
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runs[run_index++] = index;
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num_runs[epiLine] = num;
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}
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return CV_NO_ERR;
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}
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/*======================================================================================*/
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CV_IMPL void
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cvFindRuns( int numLines, /* number of scanlines */
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uchar * prewarp_1, /* prewarp image 1 */
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uchar * prewarp_2, /* prewarp image 2 */
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int *line_lens_1, /* line lengths 1 */
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int *line_lens_2, /* line lengths 2 */
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int *runs_1, /* result runs 1 */
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int *runs_2, /* result runs 2 */
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int *num_runs_1, /* numbers of first runs */
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int *num_runs_2 )
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{
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IPPI_CALL( icvFindRuns( numLines, /* number of scanlines */
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prewarp_1, /* prewarp image 1 */
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prewarp_2, /* prewarp image 2 */
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line_lens_1, /* line lengths 1 */
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line_lens_2, /* line lengths 2 */
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runs_1, /* result runs 1 */
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runs_2, /* result runs 2 */
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num_runs_1, /* numbers of first runs */
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num_runs_2 ));
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}
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