我正在尝试使用 OpenCV 2.4.3(VS 2010)在用户接受的输入(通常是中心)处显示圆圈。在输出图像(使用“namedWindow”显示)上,圆圈似乎按列移动,因为一个标记点沿列。不知道我应该如何纠正这个。
代码:
struct OPTIONS{
OPTIONS(): X(-1), Y(-1), drawing_dot(false){}
int X;
int Y;
bool drawing_dot;
};
OPTIONS options;
void my_mouse_callback( int event, int x, int y, int flags, void* param ){
IplImage* image = (IplImage*) param;
switch( event ){
case CV_EVENT_LBUTTONDOWN:
options.X = x;
options.Y = y;
options.drawing_dot = true;
break;
default:
break;
}
}
int main( void ){
IplImage* image = cvLoadImage("Images/TestRealData/img1.bmp");
Mat frame = imread("Images/TestRealData/img1.bmp");
namedWindow("Test", CV_WINDOW_KEEPRATIO);
cvSetMouseCallback("Test", my_mouse_callback, (void*) image);
while( cvWaitKey(15) != 27 ){
if( options.drawing_dot ){
circle(frame, Point(options.X,options.Y), 3, CV_RGB(0,0,255), 2);
options.drawing_dot = false;
}
imshow("Test", frame);
waitKey(10);
}
cvReleaseImage(&image);
return 0;
}