Update to 2.0.0 tree from current Fremantle build

[opencv] / samples / octave / logpolar.m

diff --git a/samples/octave/logpolar.m b/samples/octave/logpolar.m
new file mode 100644 (file)
index 0000000..579f61c
--- /dev/null
+++ b/samples/octave/logpolar.m
@@ -0,0 +1,50 @@
+#! /usr/bin/env octave
+cv;
+highgui;
+
+global g;
+g.src=[];
+g.dst=[];
+g.src2=[];
+
+function on_mouse( event, x, y, flags, param )
+  global g;
+  global cv;
+  global highgui;
+
+  if(!swig_this(g.src) )
+    return;
+  endif
+
+  if (event==highgui.CV_EVENT_LBUTTONDOWN)
+    cvLogPolar( g.src, g.dst, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS );
+    cvLogPolar( g.dst, g.src2, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS+cv.CV_WARP_INVERSE_MAP );
+    cvShowImage( "log-polar", g.dst );
+    cvShowImage( "inverse log-polar", g.src2 );
+  endif
+endfunction
+
+filename = "../c/fruits.jpg"
+if (size(argv, 1)>1)
+  filename=argv(){1};
+endif
+
+g.src = cvLoadImage(filename,1);
+if (!swig_this(g.src))
+  printf("Could not open %s",filename);
+  exit(-1)
+endif
+
+cvNamedWindow( "original",1 );
+cvNamedWindow( "log-polar", 1 );
+cvNamedWindow( "inverse log-polar", 1 );
+
+
+g.dst = cvCreateImage( cvSize(256,256), 8, 3 );
+g.src2 = cvCreateImage( cvGetSize(g.src), 8, 3 );
+
+cvSetMouseCallback( "original", @on_mouse );
+on_mouse( CV_EVENT_LBUTTONDOWN, g.src.width/2, g.src.height/2, [], []);
+
+cvShowImage( "original", g.src );
+cvWaitKey();