Core Graphics is Apple's framework for low-level drawing operations on Mac OS X and iOS.
Something I don't understand about transformations. I want to zoom in to say the top right corner of a UIView (…
iphone ios core-animation quartz-graphics cgaffinetransformFor an application I am building I have drawn 2 circles. One a bit bigger than the other. I want to …
iphone cocoa-touch math quartz-graphics quartz-2dI'm trying to create an image mask that from a composite of two existing images. First I start with creating …
iphone objective-c cocoa-touch image-manipulation quartz-graphicsThe original question............................................... If you are an advanced user of drawRect, you will know that of course drawRect will not …
iphone ios cocoa quartz-graphics runloopI've spent all day trying to get hyperlinks metadata from PDFs in my iPad application. The CGPDF* APIs are a …
iphone ipad pdf quartz-graphicsBefore I ask my questions, this is from Apple's documentation re: how to determine the width of a string using …
ios objective-c quartz-graphics core-textI have a question regarding rounded corners and text background color for a custom UIView. Basically, I need to achieve …
ios objective-c uiview quartz-graphics nsattributedstringDoes anyone have any experience in applying a Gradient to a CAShapeLayer? CAShapeLayer is a fantastic layer class, but it …
iphone core-graphics quartz-graphics gradient cashapelayerI'm trying to draw a shadow and a corner radius on an image. I can add them separately, but I've …
iphone objective-c core-animation core-graphics quartz-graphicsI need a function that, given a character, returns the CGKeyCode associated with the position of that character on the …
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