I am facing a problem with NSString method drawAtPoint and kCGTextFillClip. I needed to create a UILabel with a gradient instead of a simple color, so I\'ve subclassed it and overrode the drawRect met
I\'ve spent all day trying to get hyperlinks metadata from PDFs in my iPad application. The CGPDF* APIs are a true nightmare, and the only piece of information I\'ve found on the net about all this i
I am creating a drawing app on iPad which allow开发者_运维知识库 the user to create primitive shapes like rectangles, polygons, arcs, etc. This app enables the user to rotate and scale these shapes.
Trying to find the leak in my code I removed all the thing that did not matter, leaving the following code:
In relation to question an eralier question of mine, I have tried and fail开发者_JAVA百科ed to create a class with a NSMuttableArray member variable holding CALayerRefs. Can someone please guide me on
I would like to implement a drawing class with the help of Quartz. I want to be able to save parts of what is drawn on separate layers. I want these layers to be retrievable, so I can delete/hide/sho
I (think) have every values for Text-Rendering in a PDF. * Position (Text Matrix) * FontDescriptor with Widths Array
simple question, I\'ve got a superview holding multiple sub UIIMageViews that I\'d like to move simultaneously.
I\'d like to have a water effect on a background layer in my app. The effect doesn\'t need to react to touch or anything - it just needs to wave an image a little bit.
I am at my wits end trying to come up with a design pattern for this paradigm. I haven\'t had much luck on this site but at this stage I\'ll try anything.
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