I have been using NSRectFill to draw rectangles on the screen. I would like to erase t开发者_StackOverflowhese rectangles. I can\'t paint over them, as the back ground behind them is textured and can\
On a Google Search, I found this article: http://docs.python.org/release/1.4/lib/node201.html Which showed examples of using the rect class, to perform union/intersections/ch开发者_开发问答ecking if
How do I remove a drawn NSRect or other object other than drawing开发者_开发问答 another rect over it?Assuming you drew the rect in drawRect:, all you need to do would be to exclude the rect from the
I am going crazy trying to figure this out. I am trying to make an array or arraylist of Rect (rectangles) that I can update the coordinates and draw on the screen(to make them move).
I\'m doing some 开发者_如何学运维core graphics, and I wonder how I may know if a line will have some parts of it visible on screen.
I want to draw text i开发者_如何学运维nto rectangle on center (horizontally and vertically). If there is too much of a text that crop it what do not fit into rect.
I\'v got this piece of code : CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB(); CGFloat colors[] = {
I am trying to apply RotateTransform to a Rect object with the following code. Rect transformed = this.Rectangle;
I\'m working on some 2D games with Pygame.I need to place several obj开发者_开发问答ects at the same time randomly without them intersecting.I have tried a few obvious methods but they didn\'t work.
I am trying to develope an app on canvas ,i am drawing a bitmap 开发者_如何学Con canvas with the help of canvas.drawBitmap().After that i want to convert that canvas into bitmap.
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