I am using the following pseudocode to generate a PDF document: CGContextRef context = CGPDFContextCreateWithURL(url, &rect, NULL);
I would like to save/restore window posit开发者_Go百科ion between program launches. The window could be maximized. This should be saved also.
I want to draw a curved line with arrow between two p开发者_运维知识库oints using the Quartz Core framework in an iPhone Application. How to do that or any what classes are available to do that ?You c
In a .xib for an application I\'m working on, I have a quartz composer viewer object (QCView) in the window. I also have a patch controller (QCPatchController). The patch controller has its own class
I have a instance method that I\'d like to return a CGAffineTransform.I\'m currently getting the error
I am working on a sketching a开发者_如何转开发pp on the iPhone. I got it working but not pretty as seen here
When the view loads in my iOS application, I dynamically create a UIImageView and place my Image inside of it.I would like to draw a simple circle on top of the UIImageView, but have been unable to do
Can anyone please help me with reading and writing annotations in a PDF using iOS? This is the sample code that I have tried. Can anyone please tell me where I am going wrong? I am able to load The An
I want to draw a sine wave with changing amplitude in a custom UIView. The value for the amplitude is changed through a timer every 1/30s. The sine wave itself and t开发者_运维百科he animation should
For my application drawing with Graphics2D increases in speed by about 5 times when I set System.setProperty(\"apple.awt.graphics.UseQuartz\",\"true\");
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