Core Graphics is Apple's framework for low-level drawing operations on Mac OS X and iOS.
Is there a Cocoa Touch way to convert colors from one color space to another? At the end of this …
iphone core-graphics uicolor cgcolor cgcolorspaceI have designed this code to generate a Bezier Path that is used as a path for a CAShapeLayer to …
ios objective-c core-graphics uibezierpath cashapelayerI want to do something similar to the following: How to mask an image in IOS sdk? I want to …
ios uikit core-animation core-graphics maskI'm making magnifier app, which allows an user touch the screen and move his finger, there will be a magnifier …
ios ios6 uiview core-graphics calayerI'm building a Photo filter app (like Instagram, Camera+ and many more..), may main screen is a UIImageView that presenting …
ios objective-c core-graphicsMy question is if I have a Lion image just I want to change the color of the lion alone …
iphone objective-c image-processing core-graphics pixelI have a UIImage that is all black with an alpha channel so some parts are grayish and some parts …
objective-c core-graphics quartz-2dI am trying process an image in CoreGraphics and then return the processed image back to an NSImage for saving …
macos core-graphics nsimage cgimagerefI want to draw a very thin hairline width of a line in my UIView's drawRect method. The line I …
ios ios5 core-graphics ios6 drawrectIt seems that CGContextDrawImage(CGContextRef, CGRect, CGImageRef) performs MUCH WORSE when drawing a CGImage that was created by CoreGraphics (i.…
ios performance core-graphics cgcontextdrawimage