mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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50 lines
1.1 KiB
50 lines
1.1 KiB
#! /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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