iOS Programming: The Big Nerd Ranch Guide, Second Edition

Drawing Text and Shadows

While we are talking about drawing, let’s add some text with a shadow to the view, as shown in Figure 6.3.

Figure 6.3  View that draws text

Open HypnosisView.m and add the following code to the end of your drawRect: method:

 ​ ​ ​ ​f​o​r​ ​(​f​l​o​a​t​ ​c​u​r​r​e​n​t​R​a​d​i​u​s​ ​=​ ​m​a​x​R​a​d​i​u​s​;​ ​c​u​r​r​e​n​t​R​a​d​i​u​s​ ​>​ ​0​;​ ​c​u​r​r​e​n​t​R​a​d​i​u​s​ ​-​=​ ​2​0​)​ ​ ​ ​ ​{​ ​ ​ ​ ​ ​ ​ ​ ​C​G​C​o​n​t​e​x​t​A​d​d​A​r​c​(​c​o​n​t​e​x​t​,​ ​c​e​n​t​e​r​.​x​,​ ​c​e​n​t​e​r​.​y​,​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​c​u​r​r​e​n​t​R​a​d​i​u​s​,​ ​0​,​ ​M​_​P​I​ ​*​ ​2​.​0​,​ ​Y​E​S​)​;​ ​ ​ ​ ​ ...