vcs.maemo.org Git - opencv/blob - samples/swig_python/logpolar.py

   1 #!/usr/bin/python
   2 import sys
   3 from opencv.cv import *
   4 from opencv.highgui import *
   5
   6 src=None
   7 dst=None
   8 src2=None
   9
  10 def on_mouse( event, x, y, flags, param ):
  11
  12     if( not src ):
  13         return;
  14
  15     if event==CV_EVENT_LBUTTONDOWN:
  16         cvLogPolar( src, dst, cvPoint2D32f(x,y), 40, CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS );
  17         cvLogPolar( dst, src2, cvPoint2D32f(x,y), 40, CV_INTER_LINEAR+CV_WARP_FILL_OUTLIERS+CV_WARP_INVERSE_MAP );
  18         cvShowImage( "log-polar", dst );
  19         cvShowImage( "inverse log-polar", src2 );
  20
  21 if __name__ == "__main__":
  22
  23     filename = "../c/fruits.jpg"
  24     if len(sys.argv)>1:
  25         filename=argv[1]
  26
  27     src = cvLoadImage(filename,1)
  28     if not src:
  29         print "Could not open %s" % filename
  30         sys.exit(-1)
  31
  32     cvNamedWindow( "original",1 );
  33     cvNamedWindow( "log-polar", 1 );
  34     cvNamedWindow( "inverse log-polar", 1 );
  35
  36
  37     dst = cvCreateImage( cvSize(256,256), 8, 3 );
  38     src2 = cvCreateImage( cvGetSize(src), 8, 3 );
  39
  40     cvSetMouseCallback( "original", on_mouse );
  41     on_mouse( CV_EVENT_LBUTTONDOWN, src.width/2, src.height/2, None, None)
  42
  43     cvShowImage( "original", src );
  44     cvWaitKey();