Core Graphics is Apple's framework for low-level drawing operations on Mac OS X and iOS.
I have a CGContextRef and I did my drawing stuff with the bitmap context. Now, I would like to have …
iphone core-graphics quartz-2dI use the following code to getting images from the sprite. And it works fine everywhere except the iPhone 4 (HD …
iphone core-graphics iphone-4 high-resolutionI am using core-plot lib to draw bar charts in my app like this My problem is that i want …
iphone cocoa-touch core-graphics core-plot bar-chartso--i switched on "color misaligned images" to improve drawing performance in our app. The documentation states: Puts a magenta overlay …
iphone ios core-animation core-graphics instrumentsYou can use the following code to draw an arc using Quartz: CGContextMoveToPoint(context2, x, y); CGContextAddArcToPoint(context2, x1, y1, …
ios core-graphics cgcontextWhats the difference between the two? I'm sure they have pros and cons, and situations they are better performers in. …
iphone cocoa cocoa-touch core-animation core-graphicsI have created CAGradientLayer having three colors, i need to give each color different locations. Example: Red = 0 to 50 % Yellow = 51 to 80 % …
ios core-graphics linear-gradients cagradientlayerI'm working on an app that can change the borders or a rectangular UIImage. The borders will vary, but will …
cocoa-touch uiimage core-graphics transparent maskI have the following situation in my multi-monitor setup: In this example I want to position a window exactly at …
macos core-graphics coordinate-systems coordinate-transformationI searched everywhere but didn't find the solution. I have image 1. How can I programatically tint them with gradient to …
iphone uiimage core-graphics drawrect tint