int main5 (int argc, char** argv)
{
char* filename;
int c;
// create memory storage that will contain all the dynamic data
gStorage = cvCreateMemStorage(0);
if(argc == 2 ) {
filename = argv[1];
} else {
printf("Usage:\t%s image_file\n", argv[0]);
printf("\timage_file: image that maybe contains rectangle\n\n");
return 0;
}
gImg0 = cvLoadImage(filename, 1);
if (!gImg0)
{
printf("Couldn't load %s\n", filename);
return 0;
}
gImg = cvCloneImage(gImg0);
// create window and a trackbar (slider) with parent "image" and set callback
// (the slider regulates upper threshold, passed to Canny edge detector)
cvNamedWindow(wndname, 1);
if (gImg) {
CvSeq* squares = findSquares4(gImg, gStorage);
drawSquares(gImg, squares);
}
// cvCreateTrackbar("canny thresh", wndname, &thresh, 1000, on_trackbar);
//
// // force the image processing
// on_trackbar(0);
// release both images
cvReleaseImage(&gImg);
cvReleaseImage(&gImg0);
// clear memory storage - reset free space position
cvClearMemStorage(gStorage);
for(;;)
{
// wait for key.
// Also the function cvWaitKey takes care of event processing
c = cvWaitKey(0);
if (c == 27)
break;
}
cvDestroyWindow(wndname);
return 0;
}
void on_trackbar(CvPoint& centre, IplImage* img,CvMemStorage* &storage1)
{
if( img ) {
drawSquares( img,
findSquares4( img, storage1,true ) ,
centre);
cvReleaseMemStorage(&storage1 );
}
else cout<<"error in trackbar"<<endl;
}
int main(int argc, char* argv[])
{
int i=0, c;
bPreviewFilter=false;
// create memory storage that will contain all the dynamic data
storage = cvCreateMemStorage(0);
if (argc>1 && !strcmp(argv[1],"f"))
bPreviewFilter=true;
char names[255];
while(1)
{
sprintf(names, "pic%d.png", i+1);
// load i-th image
img0 = cvLoadImage( names, 1 );
if( !img0 )
{
printf("Couldn't load %s\n", names );
break;
}
img = cvCloneImage( img0 );
// create window and a trackbar (slider) with parent "image" and set callback
// (the slider regulates upper threshold, passed to Canny edge detector)
cvNamedWindow( wndname, 1 );
// find and draw the squares
IplImage* imgFilter = GetImageFilteredForSquareDetect(img);
IplImage* imgShow;
if (bPreviewFilter)
imgShow = imgFilter;
else
imgShow = img;
drawSquaresAndCrop(names, imgShow, img, findSquares4( imgFilter, storage ) );
//drawCircleAndCrop(names, img);
cvReleaseImage(&imgFilter);
// wait for key.
// Also the function cvWaitKey takes care of event processing
c = cvWaitKey(0);
// release both images
cvReleaseImage( &img );
cvReleaseImage( &img0 );
// clear memory storage - reset free space position
cvClearMemStorage( storage );
if( (char)c == 27 )
break;
i++;
}
cvDestroyWindow( wndname );
return 0;
}
int main(int argc, char** argv)
{
int i, c;
// create memory storage that will contain all the dynamic data
storage = cvCreateMemStorage(0);
for( i = 0; names[i] != 0; i++ )
{
// load i-th image
img0 = cvLoadImage( names[i], 1 );
if( !img0 )
{
printf("Couldn't load %s\n", names[i] );
continue;
}
img = cvCloneImage( img0 );
// create window and a trackbar (slider) with parent "image" and set callback
// (the slider regulates upper threshold, passed to Canny edge detector)
cvNamedWindow( wndname, 1 );
// find and draw the squares
drawSquares( img, findSquares4( img, storage ) );
// wait for key.
// Also the function cvWaitKey takes care of event processing
c = cvWaitKey(0);
// release both images
cvReleaseImage( &img );
cvReleaseImage( &img0 );
// clear memory storage - reset free space position
cvClearMemStorage( storage );
if( (char)c == 27 )
break;
}
cvDestroyWindow( wndname );
return 0;
}
void on_trackbar( int a )
{
if( img )
drawSquares( img, findSquares4( img, storage ) );
}
