Emgu.CV.UI.GL Individual texture rotations Update the rectangles location by a touch event The type of touch The start point of the touch, may be PointF.Empty if touch type is down The end point of the touch The index of the rectangle when the shape is to be updated. The rectangles to be drawed. (0,0) point should be the image texture origin where (1,1) should match the opposite corner of the image. Get or set the rotation of the whole GLImageView in degree Required designer variable. Clean up any resources being used. true if managed resources should be disposed; otherwise, false. Required method for Designer support - do not modify the contents of this method with the code editor.