git.maemo.org Git - opencv/blob - apps/Hawk/demos/CVMorphDemo.c

   1 IPLIMAGE src;\r
   2 IPLIMAGE image;\r
   3 IPLIMAGE dest;\r
   4 //the address of variable which receives trackbar position update \r
   5 int pos[1]={0};\r
   6 \r
   7 src=load_iplimage("expo0001.bmp");\r
   8 image=cvCloneImage(src);\r
   9 dest=cvCloneImage(src);\r
  10 \r
  11 //create windows for output images\r
  12 named_window("Opening&Closing window",0);\r
  13 named_window("Erosion&Dilation window",0);\r
  14 \r
  15 show_iplimage("Opening&Closing window",src);\r
  16 show_iplimage("Erosion&Dilation window",src);\r
  17 \r
  18 \r
  19 //callback function for slider , implements opening \r
  20 void Opening(int id)   \r
  21   {\r
  22         cvErode(src,image,NULL,pos[0]);\r
  23         cvDilate(image,dest,NULL,pos[0]);\r
  24         show_iplimage("Opening&Closing window",dest);\r
  25    \r
  26   }   \r
  27 //callback function for slider , implements closing \r
  28 \r
  29 void Closing(int id)   \r
  30   {\r
  31         cvDilate(src,image,NULL,pos[0]);\r
  32         cvErode(image,dest,NULL,pos[0]);\r
  33         show_iplimage("Opening&Closing window",dest);\r
  34    \r
  35   }   \r
  36 //callback function for slider , implements erosion \r
  37 \r
  38 void Erosion(int id)   \r
  39   {\r
  40         \r
  41         cvErode(src,dest,NULL,pos[0]);\r
  42         show_iplimage("Erosion&Dilation window",dest);\r
  43         \r
  44   }   \r
  45 //callback function for slider , implements dilation\r
  46 \r
  47 void Dilation(int id)   \r
  48   {\r
  49         \r
  50         cvDilate(src,dest,NULL,pos[0]);\r
  51         show_iplimage("Erosion&Dilation window",dest);\r
  52         \r
  53   }   \r
  54 \r
  55   \r
  56 \r
  57   \r
  58       create_slider("slider1","Opening&Closing window",&pos,10,Opening);\r
  59       create_slider("slider4","Opening&Closing window",&pos,10,Closing);\r
  60       create_slider("slider2","Erosion&Dilation window",&pos,10,Dilation);\r
  61       create_slider("slider3","Erosion&Dilation window",&pos,10,Erosion);\r
  62 \r
  63   wait_key(0);\r
  64       //releases header an dimage data  \r
  65       cvReleaseImage(&src);\r
  66       cvReleaseImage(&image);\r
  67       cvReleaseImage(&dest);\r
  68       //destroys windows \r
  69       destroy_window("Opening&Closing window"); \r
  70       destroy_window("Erosion&Dilation window"); \r
  71   \r
  72 \r