I have a UIScrollView. This scroll view scrolls my custom GameView. When I send setNeedsDisplay to my GameView, it redraws and everything goes fine.
After many hours of googling I thought I would see if anyone knew the answer. I have a large PDF file (30mb) which I was using the UIWebView to display but it is painfully slow when trying to scroll
I\'m to trying to display an umlaut mark on an i in my CoreGraphics function: ï. I tried to use it\'s unicode representation (ï), but I don\'t manage to get it right.
A simple 10.6 Cocoa app I wrote that basically draws a regular window with some buttons and text has been spewing hundreds of console log messages开发者_运维技巧:
What\'s the difference between Stroke and Fill drawing in开发者_如何学C graphics context (iPhone SDK)Stroke is line drawing, Fill is \"colouring in\" (for want of a better term).
My iPhone app features custom UITableViewCells that each feature an icon. In the normal cell state, these icons are black with a transparent background. Instead of bundling a second set of inverted ic
I am looking to draw some unicode text and I am trying to clip the individual characters on the screen.I\'ve only been able to get it to clip the entire character, not partia开发者_如何转开发lly like
I have a large line to draw that the colour changes along the line. Now and again I get EXC_BAD_ACCESS on the 4th line of the code there.
I am implementing a graphic based application. I am very new to graphics, I need to display a dotted circle in my view. Is it possible开发者_开发百科 to draw a dotted circle using graphics?See the met
I would like to use a CATiledLayer in iPhone OS 3.1.3 and to do so all drawing in -(void)drawLayer:(CALayer *)layer inContext:(CGContext)context has to be done with coregraphics only.