void MultiCamshiftUI::drawResults(int camera, IplImage *image) { CvBox2D *box = &results[camera]; /* Check the roll quality. For aspect ratios near 1, the box rotation * can't be measured accurately. In these situations, we draw the box * as a circle, to convey this information. */ float q = box->size.height / box->size.width; if (q < 1.25) { cvCircleAA(image, cvPoint((int)box->center.x, (int)box->center.y), (int)((box->size.height + box->size.width)/4), CV_RGB(0,255,128)); } else { draw_box(image, *box); } /* Always draw some crosshairs at the box center */ draw_crosshairs(image, box->center.x, box->center.y); }
static int drawing_test() { static int read_params = 0; static int read = 0; const int channel = 3; CvSize size = cvSize(600, 300); int i, j; int Errors = 0; if( !read_params ) { read_params = 1; trsCaseRead( &read, "/n/y", "y", "Read from file ?" ); } // Create image IplImage* image = cvCreateImage( size, IPL_DEPTH_8U, channel ); // cvLine cvZero( image ); for( i = 0; i < 100; i++ ) { CvPoint p1 = cvPoint( i - 30, i * 4 + 10 ); CvPoint p2 = cvPoint( size.width + 30 - i, size.height - 10 - i * 4 ); cvLine( image, p1, p2, CV_RGB(178+i, 255-i, i), i % 10 ); } Errors += ProcessImage( image, "cvLine", read ); // cvLineAA cvZero( image ); for( i = 0; i < 100; i++ ) { CvPoint p1 = cvPoint( i - 30, i * 4 + 10 ); CvPoint p2 = cvPoint( size.width + 30 - i, size.height - 10 - i * 4 ); cvLine( image, p1, p2, CV_RGB(178+i, 255-i, i), 1, CV_AA, 0 ); } //Errors += ProcessImage( image, "cvLineAA", read ); // cvRectangle cvZero( image ); for( i = 0; i < 100; i++ ) { CvPoint p1 = cvPoint( i - 30, i * 4 + 10 ); CvPoint p2 = cvPoint( size.width + 30 - i, size.height - 10 - i * 4 ); cvRectangle( image, p1, p2, CV_RGB(178+i, 255-i, i), i % 10 ); } Errors += ProcessImage( image, "cvRectangle", read ); #if 0 named_window( "Diff", 0 ); #endif // cvCircle cvZero( image ); for( i = 0; i < 100; i++ ) { CvPoint p1 = cvPoint( i * 3, i * 2 ); CvPoint p2 = cvPoint( size.width - i * 3, size.height - i * 2 ); cvCircle( image, p1, i, CV_RGB(178+i, 255-i, i), i % 10 ); cvCircle( image, p2, i, CV_RGB(178+i, 255-i, i), i % 10 ); #if 0 show_iplimage( "Diff", image ); wait_key(0); #endif } Errors += ProcessImage( image, "cvCircle", read ); // cvCircleAA cvZero( image ); for( i = 0; i < 100; i++ ) { CvPoint p1 = cvPoint( i * 3, i * 2 ); CvPoint p2 = cvPoint( size.width - i * 3, size.height - i * 2 ); cvCircleAA( image, p1, i, RGB(i, 255 - i, 178 + i), 0 ); cvCircleAA( image, p2, i, RGB(i, 255 - i, 178 + i), 0 ); } Errors += ProcessImage( image, "cvCircleAA", read ); // cvEllipse cvZero( image ); for( i = 10; i < 100; i += 10 ) { CvPoint p1 = cvPoint( i * 6, i * 3 ); CvSize axes = cvSize( i * 3, i * 2 ); cvEllipse( image, p1, axes, 180 * i / 100, 90 * i / 100, 90 * (i - 100) / 100, CV_RGB(178+i, 255-i, i), i % 10 ); } Errors += ProcessImage( image, "cvEllipse", read ); // cvEllipseAA cvZero( image ); for( i = 10; i < 100; i += 10 ) { CvPoint p1 = cvPoint( i * 6, i * 3 ); CvSize axes = cvSize( i * 3, i * 2 ); cvEllipseAA( image, p1, axes, 180 * i / 100, 90 * i / 100, 90 * (i - 100) / 100, RGB(i, 255 - i, 178 + i), i % 10 ); } Errors += ProcessImage( image, "cvEllipseAA", read ); // cvFillConvexPoly cvZero( image ); for( j = 0; j < 5; j++ ) for( i = 0; i < 100; i += 10 ) { CvPoint p[4] = {{ j * 100 - 10, i }, { j * 100 + 10, i }, { j * 100 + 30, i * 2 }, { j * 100 + 170, i * 3 }}; cvFillConvexPoly( image, p, 4, CV_RGB(178+i, 255-i, i) ); } Errors += ProcessImage( image, "cvFillConvexPoly", read ); // cvFillPoly cvZero( image ); for( i = 0; i < 100; i += 10 ) { CvPoint p0[] = {{-10, i}, { 10, i}, { 30, i * 2}, {170, i * 3}}; CvPoint p1[] = {{ 90, i}, {110, i}, {130, i * 2}, {270, i * 3}}; CvPoint p2[] = {{190, i}, {210, i}, {230, i * 2}, {370, i * 3}}; CvPoint p3[] = {{290, i}, {310, i}, {330, i * 2}, {470, i * 3}}; CvPoint p4[] = {{390, i}, {410, i}, {430, i * 2}, {570, i * 3}}; CvPoint* p[] = {p0, p1, p2, p3, p4}; int n[] = {4, 4, 4, 4, 4}; cvFillPoly( image, p, n, 5, CV_RGB(178+i, 255-i, i) ); } Errors += ProcessImage( image, "cvFillPoly", read ); // cvPolyLine cvZero( image ); for( i = 0; i < 100; i += 10 ) { CvPoint p0[] = {{-10, i}, { 10, i}, { 30, i * 2}, {170, i * 3}}; CvPoint p1[] = {{ 90, i}, {110, i}, {130, i * 2}, {270, i * 3}}; CvPoint p2[] = {{190, i}, {210, i}, {230, i * 2}, {370, i * 3}}; CvPoint p3[] = {{290, i}, {310, i}, {330, i * 2}, {470, i * 3}}; CvPoint p4[] = {{390, i}, {410, i}, {430, i * 2}, {570, i * 3}}; CvPoint* p[] = {p0, p1, p2, p3, p4}; int n[] = {4, 4, 4, 4, 4}; cvPolyLine( image, p, n, 5, 1, CV_RGB(178+i, 255-i, i), i % 10 ); } Errors += ProcessImage( image, "cvPolyLine", read ); // cvPolyLineAA cvZero( image ); for( i = 0; i < 100; i += 10 ) { CvPoint p0[] = {{-10, i}, { 10, i}, { 30, i * 2}, {170, i * 3}}; CvPoint p1[] = {{ 90, i}, {110, i}, {130, i * 2}, {270, i * 3}}; CvPoint p2[] = {{190, i}, {210, i}, {230, i * 2}, {370, i * 3}}; CvPoint p3[] = {{290, i}, {310, i}, {330, i * 2}, {470, i * 3}}; CvPoint p4[] = {{390, i}, {410, i}, {430, i * 2}, {570, i * 3}}; CvPoint* p[] = {p0, p1, p2, p3, p4}; int n[] = {4, 4, 4, 4, 4}; cvPolyLineAA( image, p, n, 5, 1, RGB(i, 255 - i, 178 + i), 0 ); } Errors += ProcessImage( image, "cvPolyLineAA", read ); // cvPolyLineAA cvZero( image ); for( i = 1; i < 10; i++ ) { CvFont font; cvInitFont( &font, CV_FONT_VECTOR0, (double)i / 5, (double)i / 5, (double)i / 10, i ); cvPutText( image, "privet. this is test. :)", cvPoint(0, i * 20), &font, CV_RGB(178+i, 255-i, i) ); } Errors += ProcessImage( image, "cvPutText", read ); cvReleaseImage( &image ); return Errors ? trsResult( TRS_FAIL, "errors" ) : trsResult( TRS_OK, "ok" ); }