rect_开发者

Is it possible to erase drawing made by NSRectFill?

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\[详细]

2023-03-16 10:12 分类：问答

What happened to Python's rect class?

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[详细]

2023-03-11 12:30 分类：问答

Remove a drawn NSRect or other drawn object

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[详细]

2023-03-08 18:35 分类：问答

How to make an array or arraylist of Rect

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).[详细]

2023-03-07 23:26 分类：问答

Graphics - How may I know if a line is visible onscreen taking account its width

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.[详细]

2023-02-22 20:33 分类：问答

Android draw text into rectangle on center and crop it if needed

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.[详细]

2023-02-21 01:47 分类：问答

iPhone - How to draw something in a view

I\'v got this piece of code : CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB(); CGFloat colors[] = {[详细]

2023-02-10 08:10 分类：问答

WPF Rect Transform

I am trying to apply RotateTransform to a Rect object with the following code. Rect transformed = this.Rectangle;[详细]

2023-02-03 05:38 分类：问答

How can I randomly place several non-colliding rects?

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.[详细]

2023-01-29 00:28 分类：问答

converting canvas into bitmap in android

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.[详细]

2023-01-21 04:38 分类：问答