--- /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 "_cvaux.h"
+#include "_cvvm.h"
+
+/* Valery Mosyagin */
+
+static CvStatus
+icvFindRuns( int numLines, /* number of scanlines */
+ uchar * prewarp_1, /* prewarp image 1 */
+ uchar * prewarp_2, /* prewarp image 2 */
+ int *line_lens_1, /* line lengths 1 */
+ int *line_lens_2, /* line lengths 2 */
+ int *runs_1, /* result runs 1 */
+ int *runs_2, /* result runs 2 */
+ int *num_runs_1, /* numbers of first runs */
+ int *num_runs_2 )
+{
+ CvStatus err;
+
+ err = icvFindRunsInOneImage( numLines, prewarp_1, line_lens_1, runs_1, num_runs_1 );
+
+ if( err != CV_NO_ERR )
+ return err;
+
+ err = icvFindRunsInOneImage( numLines, prewarp_2, line_lens_2, runs_2, num_runs_2 );
+
+ return err;
+
+}
+
+
+/*======================================================================================*/
+
+CV_INLINE int
+icvGetColor( uchar * valueRGB )
+{
+ int R = *valueRGB;
+ int G = *(valueRGB + 1);
+ int B = *(valueRGB + 2);
+
+ return ( ((R + G + B) >> 3) & 0xFFFC );
+} /* vm_GetColor */
+
+
+/*======================================================================================*/
+
+CvStatus
+icvFindRunsInOneImage( int numLines, /* number of scanlines */
+ uchar * prewarp, /* prewarp image */
+ int *line_lens, /* line lengths in pixels */
+ int *runs, /* result runs */
+ int *num_runs )
+{
+ int epiLine;
+ int run_index;
+ int curr_color;
+ int index;
+ int color;
+ uchar *curr_point;
+ int num;
+
+
+ run_index = 0;
+
+ curr_point = prewarp;
+
+ for( epiLine = 0; epiLine < numLines; epiLine++ )
+ {
+
+ curr_color = icvGetColor( curr_point );
+
+ runs[run_index++] = 0;
+ runs[run_index++] = curr_color;
+
+ curr_point += 3;
+
+ num = 1;
+ for( index = 1; index < line_lens[epiLine]; index++ )
+ {
+
+ color = icvGetColor( curr_point );
+
+ if( color != curr_color )
+ {
+ runs[run_index++] = index;
+ runs[run_index++] = color;
+ curr_color = color;
+ num++;
+ }
+
+ curr_point += 3;
+ }
+
+ runs[run_index++] = index;
+ num_runs[epiLine] = num;
+ }
+
+ return CV_NO_ERR;
+}
+
+
+/*======================================================================================*/
+
+CV_IMPL void
+cvFindRuns( int numLines, /* number of scanlines */
+ uchar * prewarp_1, /* prewarp image 1 */
+ uchar * prewarp_2, /* prewarp image 2 */
+ int *line_lens_1, /* line lengths 1 */
+ int *line_lens_2, /* line lengths 2 */
+ int *runs_1, /* result runs 1 */
+ int *runs_2, /* result runs 2 */
+ int *num_runs_1, /* numbers of first runs */
+ int *num_runs_2 )
+{
+ IPPI_CALL( icvFindRuns( numLines, /* number of scanlines */
+ prewarp_1, /* prewarp image 1 */
+ prewarp_2, /* prewarp image 2 */
+ line_lens_1, /* line lengths 1 */
+ line_lens_2, /* line lengths 2 */
+ runs_1, /* result runs 1 */
+ runs_2, /* result runs 2 */
+ num_runs_1, /* numbers of first runs */
+ num_runs_2 ));
+}
projects / opencv / blobdiff