+++ /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"
-
-CV_IMPL int
-icvSubdiv2DCheck( CvSubdiv2D* subdiv )
-{
- int i, j, total = subdiv->edges->total;
- int check_result = 0;
-
- CV_FUNCNAME("icvSubdiv2DCheck");
-
- __BEGIN__;
-
- if( !subdiv )
- CV_ERROR_FROM_STATUS( CV_NULLPTR_ERR );
-
- for( i = 0; i < total; i++ )
- {
- CvQuadEdge2D* edge = (CvQuadEdge2D*)cvGetSetElem(subdiv->edges,i);
-
- if( edge && CV_IS_SET_ELEM( edge ))
- {
- for( j = 0; j < 4; j++ )
- {
- CvSubdiv2DEdge e = (CvSubdiv2DEdge)edge + j;
- CvSubdiv2DEdge o_next = cvSubdiv2DNextEdge(e);
- CvSubdiv2DEdge o_prev = cvSubdiv2DGetEdge(e, CV_PREV_AROUND_ORG );
- CvSubdiv2DEdge d_prev = cvSubdiv2DGetEdge(e, CV_PREV_AROUND_DST );
- CvSubdiv2DEdge d_next = cvSubdiv2DGetEdge(e, CV_NEXT_AROUND_DST );
-
- // check points
- if( cvSubdiv2DEdgeOrg(e) != cvSubdiv2DEdgeOrg(o_next))
- EXIT;
- if( cvSubdiv2DEdgeOrg(e) != cvSubdiv2DEdgeOrg(o_prev))
- EXIT;
- if( cvSubdiv2DEdgeDst(e) != cvSubdiv2DEdgeDst(d_next))
- EXIT;
- if( cvSubdiv2DEdgeDst(e) != cvSubdiv2DEdgeDst(d_prev))
- EXIT;
- if( j % 2 == 0 )
- {
- if( cvSubdiv2DEdgeDst(o_next) != cvSubdiv2DEdgeOrg(d_prev))
- EXIT;
- if( cvSubdiv2DEdgeDst(o_prev) != cvSubdiv2DEdgeOrg(d_next))
- EXIT;
- if( cvSubdiv2DGetEdge(cvSubdiv2DGetEdge(cvSubdiv2DGetEdge(
- e,CV_NEXT_AROUND_LEFT),CV_NEXT_AROUND_LEFT),CV_NEXT_AROUND_LEFT) != e )
- EXIT;
- if( cvSubdiv2DGetEdge(cvSubdiv2DGetEdge(cvSubdiv2DGetEdge(
- e,CV_NEXT_AROUND_RIGHT),CV_NEXT_AROUND_RIGHT),CV_NEXT_AROUND_RIGHT) != e)
- EXIT;
- }
- }
- }
- }
-
- check_result = 1;
-
- __END__;
-
- return check_result;
-}
-
-
-
-static void
-draw_subdiv_facet( CvSubdiv2D * subdiv, IplImage * dst, IplImage * src, CvSubdiv2DEdge edge )
-{
- CvSubdiv2DEdge t = edge;
- int i, count = 0;
- CvPoint local_buf[100];
- CvPoint *buf = local_buf;
-
- // count number of edges in facet
- do
- {
- count++;
- t = cvSubdiv2DGetEdge( t, CV_NEXT_AROUND_LEFT );
- }
- while( t != edge && count < subdiv->quad_edges * 4 );
-
- if( count * sizeof( buf[0] ) > sizeof( local_buf ))
- {
- buf = (CvPoint *) malloc( count * sizeof( buf[0] ));
- }
-
- // gather points
- t = edge;
- for( i = 0; i < count; i++ )
- {
- CvSubdiv2DPoint *pt = cvSubdiv2DEdgeOrg( t );
-
- if( !pt )
- break;
- assert( fabs( pt->pt.x ) < 10000 && fabs( pt->pt.y ) < 10000 );
- buf[i] = cvPoint( cvRound( pt->pt.x ), cvRound( pt->pt.y ));
- t = cvSubdiv2DGetEdge( t, CV_NEXT_AROUND_LEFT );
- }
-
- if( i == count )
- {
- CvSubdiv2DPoint *pt = cvSubdiv2DEdgeDst( cvSubdiv2DRotateEdge( edge, 1 ));
- CvPoint ip = cvPoint( cvRound( pt->pt.x ), cvRound( pt->pt.y ));
- CvScalar color = {{0,0,0,0}};
-
- //printf("count = %d, (%d,%d)\n", ip.x, ip.y );
-
- if( 0 <= ip.x && ip.x < src->width && 0 <= ip.y && ip.y < src->height )
- {
- uchar *ptr = (uchar*)(src->imageData + ip.y * src->widthStep + ip.x * 3);
- color = CV_RGB( ptr[2], ptr[1], ptr[0] );
- }
-
- cvFillConvexPoly( dst, buf, count, color );
- //draw_subdiv_point( dst, pt->pt, CV_RGB(0,0,0));
- }
-
- if( buf != local_buf )
- free( buf );
-}
-
-
-CV_IMPL void
-icvDrawMosaic( CvSubdiv2D * subdiv, IplImage * src, IplImage * dst )
-{
- int i, total = subdiv->edges->total;
-
- cvCalcSubdivVoronoi2D( subdiv );
-
- //icvSet( dst, 255 );
- for( i = 0; i < total; i++ )
- {
- CvQuadEdge2D *edge = (CvQuadEdge2D *) cvGetSetElem( subdiv->edges, i );
-
- if( edge && CV_IS_SET_ELEM( edge ))
- {
- CvSubdiv2DEdge e = (CvSubdiv2DEdge) edge;
-
- // left
- draw_subdiv_facet( subdiv, dst, src, cvSubdiv2DRotateEdge( e, 1 ));
- // right
- draw_subdiv_facet( subdiv, dst, src, cvSubdiv2DRotateEdge( e, 3 ));
- }
- }
-}
-
-/* End of file. */
projects / opencv / blobdiff