I have seen How to identify CAAnimation within the animationDidStop delegate?, this is an addition to it.
I can draw a path...and i am somewhat sure that i need to use affine transform. what i don\'t get is how to rotate the path and keep the same center.
I have the following CALayer: CAGradientLayer *gradient = [CAGradientLayer layer]; gradient.frame = CGRectMake(8, 57, 296, 30);
I\'m having problems with my UIView subclass\' drawRect: function. I use CGContextDrawRadialGradient() in it, and it.
I am trying to draw a bunch of rectangles (up to 2000) on a single UIView using a loop.I can achieve this quite easily with the following code in the DrawRect method of the UIView:
Having setup an event tap, I\'m not able to identify what modifier key was pressed given a CGEvent. CGEventFlags flagsP;
I need to draw centered text to a CGContext. I started with a Cocoa approach. I created a NSCell with the text and tried to draw it thus:
I am now implementing an ebook in which I have to highlight each word when the audio of the text plays. The highlighted color will fade off after 2 sec. How can we add a background color for the text.
I am developing iphone game using c开发者_运维知识库oregraphics. but the speed is very slow. I could not play my game.. So, I googled a lot.. During the googling, I found the belows.
How rotate UIView with full of contents. I am getting problem in rotation of UIViews. Can any one help me out??? please g开发者_开发百科ive me some like with step by step example.It\'s pretty easy: