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Open Source Computer Vision Library
https://opencv.org/
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51 lines
1.1 KiB
51 lines
1.1 KiB
15 years ago
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#! /usr/bin/env octave
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cv;
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highgui;
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global g;
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g.src=[];
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g.dst=[];
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g.src2=[];
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function on_mouse( event, x, y, flags, param )
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global g;
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global cv;
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global highgui;
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if(!swig_this(g.src) )
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return;
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endif
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if (event==highgui.CV_EVENT_LBUTTONDOWN)
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cvLogPolar( g.src, g.dst, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS );
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cvLogPolar( g.dst, g.src2, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS+cv.CV_WARP_INVERSE_MAP );
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cvShowImage( "log-polar", g.dst );
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cvShowImage( "inverse log-polar", g.src2 );
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endif
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endfunction
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filename = "../c/fruits.jpg"
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if (size(argv, 1)>1)
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filename=argv(){1};
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endif
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g.src = cvLoadImage(filename,1);
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if (!swig_this(g.src))
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printf("Could not open %s",filename);
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exit(-1)
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endif
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cvNamedWindow( "original",1 );
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cvNamedWindow( "log-polar", 1 );
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cvNamedWindow( "inverse log-polar", 1 );
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g.dst = cvCreateImage( cvSize(256,256), 8, 3 );
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g.src2 = cvCreateImage( cvGetSize(g.src), 8, 3 );
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cvSetMouseCallback( "original", @on_mouse );
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on_mouse( CV_EVENT_LBUTTONDOWN, g.src.width/2, g.src.height/2, [], []);
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cvShowImage( "original", g.src );
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cvWaitKey();
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