When I use imaqSetEventCallback(..), the callback protype is:
void IMAQ_CALLBACK MyCallback(WindowEventType type, int windowNumber, Tool tool, Rect rect);
1)for WindowEventType it will be：IMAQ_CLICK_EVENT；IMAQ_DRAW_EVENT etc.；
2)Tool will be one of：IMAQ_LINE_TOOL, IMAQ_ROTATED_RECT_TOOL etc.；
Now I want to create a rotated rectangle ROI in my callback.
void IMAQ_CALLBACK visionWindowCallback(WindowEventType event, int windowNumber, Tool tool, Rect rect)
{
switch (event)
{
case IMAQ_DRAW_EVENT: //The user drew an ROI in a window
userRect = rect;
/* Clear overlay associated with the current image */
imaqClearOverlay (mainImage, NULL);
/* Get region of interest from image UI */
imaqRemoveContour (myRoi, IMAQ_ALL_CONTOURS);
imaqAddRectContour(myRoi,userRect);
break;
}
}
Rotated Rectangle structure has below info：top,left,width, height, angle.
To get a rotated rectangle ROI I need use imaqAddRotatedRectContour to replace imaqAddRectContour in above code。
My problem is how I can get angle info in above code, or any other method to do this?
Thank you.
