#include "import.h" #include #include
IplImage* src = 0; IplImage* image = 0; IplImage* dest = 0;
//the address of variable which receives trackbar position update int pos = 0;
//callback function for slider , implements opening void Opening(int id) { id; cvErode(src,image,NULL,pos); cvDilate(image,dest,NULL,pos); cvShowImage("Opening&Closing window",dest); }
//callback function for slider , implements closing void Closing(int id) { id; cvDilate(src,image,NULL,pos); cvErode(image,dest,NULL,pos); cvShowImage("Opening&Closing window",dest); }
//callback function for slider , implements erosion void Erosion(int id) { id; cvErode(src,dest,NULL,pos); cvShowImage("Erosion&Dilation window",dest); }
//callback function for slider , implements dilation void Dilation(int id) { id; cvDilate(src,dest,NULL,pos); cvShowImage("Erosion&Dilation window",dest); }
int main( int argc, char** argv ) { char* filename = argc == 2 ? argv[1] : "c://33.jpg"; if( (src = cvLoadImage(filename,1)) == 0 ) return -1;
image = cvCloneImage(src); dest = cvCloneImage(src);
//create windows for output images cvNamedWindow("Opening&Closing window",1); cvNamedWindow("Erosion&Dilation window",1);
cvShowImage("Opening&Closing window",src); cvShowImage("Erosion&Dilation window",src);
cvCreateTrackbar("Open","Opening&Closing window",&pos,10,Opening); cvCreateTrackbar("Close","Opening&Closing window",&pos,10,Closing); cvCreateTrackbar("Dilate","Erosion&Dilation window",&pos,10,Dilation); cvCreateTrackbar("Erode","Erosion&Dilation window",&pos,10,Erosion);
cvWaitKey(0); //releases header an dimage data cvReleaseImage(&src); cvReleaseImage(&image); cvReleaseImage(&dest); //destroys windows cvDestroyWindow("Opening&Closing window"); cvDestroyWindow("Erosion&Dilation window");
return 0; }
