drawrect

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Quartz Drawing weirdly

what I\'m trying to do is create a custom progress bar, with quartz drawing, what I do is the following,[详细]

2023-02-15 18:48 分类：问答
How to improve the performance of [NSString drawInRect:withFont]?

I\'m implementing an app for a micro blog service, something similar to twitter. I\'ve done everything I know to improve the performance, including using drawRect instead of sub view based architectur[详细]

2023-02-15 09:34 分类：问答
(iphone) adding a shadow to layer

I\'d like to add shadow to a UIImageView which has image layers. I\'ve tried self.layer.shadowOffset/shadowOpacity route, but it\'s too slow..[详细]

2023-02-12 07:37 分类：问答
Help with Xcode drawRect using textfield to input value

i am currently trying to do a bar graph in XCode. I have tried CPGraph and all the stuff around but they are all out of date and i need help for XCode 4. I am completely newb with this and that\'s why[详细]

2023-02-11 12:59 分类：问答
Why does TCanvas.Rectangle() with pmXOR pen only work "sometimes"?

I developed the following AnimateRects() method to draw an animation rectangle on the Windows desktop. I use it for animating display of a modal form, making it appear to have \"grown\" from a grid ce[详细]

2023-02-07 01:38 分类：问答
Displaying text in multiple lines in Android

I have a graphical Android project and my primary trick for providing user interface functionality is to use drawrect and drawtext to draw a rectangle with a label on the screen.开发者_StackOverflow社[详细]

2023-02-06 21:12 分类：问答
How can drawRect request/rcv a image freshly computed by the model?

I have my first app running on iphone/ipad that uses Core Graphics and gesture recognizers (NOT OpenGL or touch events).The App, view, and controller were set up using IB.It\'s simply a View within a[详细]

2023-02-06 13:23 分类：问答
Filling the entire screen in multiple screen resolutions, densities

I want to draw a rectangle that fills the entire screen on all Android phones, all resolution, all screen densities.Everything... :)[详细]

2023-02-05 07:51 分类：问答
Can I access views when drawn in the drawRect method?

When creating the content view of a tableViewCell, I used the drawInRect:withFont, drawAtPoint... and others, inside drawRect: since all I needed was to lay some text. Turns out, part of the text draw[详细]

2023-02-03 12:27 分类：问答
setNeedsDisplay:True not redrawing unless activated?

I have a custom view that is a subview of the main window. I have a timer that fires a [self setNeedsDisplay:TRUE] that will update drawing on the view. But from what I can see, if I leave the applica[详细]

2023-02-03 11:44 分类：问答