It seems that function CGAffineTransformMakeRotation and CGAffineTransformMake can not work together.
I\'m using quartz-2d to do a school project. I have implement a user interface like the following.开发者_JS百科
Firstly, be gently with me. I\'m new to Objective C and iOS programming. I\'ve just purchased a copy of Opacity and I\'m playing around with layers. My only grade A success so far is to design and suc
start point of the line is (0,0). What\'s the bottom right Coordinates? Thanks! 开发者_Python百科Dimensions of the device screen:
I am working on PDF Reader from last few days. I got lots of issues while dealing with PDF using Quartz 2D. Currently I want to do is My PDF has links in it. I want to open this link in UIWebView or 开
I have a cricle of constant size and a wedge inside of the circle that rotates around the center (like a radar). Radius of that wedge is also constant, but angle of the wedge changes. It can be severa
I have a problem drawing objects passing this graphic context CGContextRef context = UIGraphicsGetCurrentContext();
I have a single-color image that has partial transparency. I have both normal and @2X versions of the image. I would like to be able to tint the image a different color, in code. The code below works
I\'m studying Quartz now and want to do a demo like this: when your finger moves on the iPhone screen, it shows the track in red color。
I am trying to make my first Quartz 2D app for MAC. I just have my app delegate and a myView class which is as below -