quartz-graphics
Cannot create PDF document with 400+ pages on iOS
I am using the following pseudocode to generate a PDF document: CGContextRef context = CGPDFContextCreateWithURL(url, &rect, NULL);[详细]
2023-03-02 11:38 分类:问答Save/restore window position in GTK
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.[详细]
2023-03-01 14:07 分类:问答Draw curved arrow between two points using Quartz Core in iPhone
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[详细]
2023-03-01 12:31 分类:问答How can I pass values from obj-C to a quartz composer view?
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[详细]
2023-03-01 11:44 分类:问答Return a CGAffineTransform from a function
I have a instance method that I\'d like to return a CGAffineTransform.I\'m currently getting the error[详细]
2023-03-01 00:27 分类:问答iPhone smooth sketch drawing algorithm
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[详细]
2023-02-28 05:14 分类:问答Drawing a simple circle on the UIImageView
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[详细]
2023-02-26 19:53 分类:问答Can anyone please help me in reading and writing annotation in the PDF using IOS
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[详细]
2023-02-26 16:04 分类:问答Sine wave drawing on iOS
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[详细]
2023-02-26 14:07 分类:问答What is the Windows (and Linux?) equivalent of the Apple Java property apple.awt.graphics.UseQuartz?
For my application drawing with Graphics2D increases in speed by about 5 times when I set System.setProperty(\"apple.awt.graphics.UseQuartz\",\"true\");[详细]
2023-02-26 03:54 分类:问答