Thursday, August 25, 2011

iPhone CGRectMake Example

Lets say I have CGRect on my iPhone screen as shown below in the screenshot with origin on the top left as usual. First question: How to create a rectangle using iPhone SDK. Code snippet is given below.

   CGRect b=CGRectMake(40, 50, 240, 150);

Now what all information I can extract from it using iPhone SDK. You can find info/code in following articles.

1. Find Height and Width of CGRect.

2. Find All Coordinates of CGRect

3. Find if CGRect contains a point

4.Find if a CGRect intersects another CGRect

5.Find if  a CGRect contains another CGRect

6. Find intersecting area of 2 CGRects

7.How to divide a CGRect using CGRectDivide


  1. Nice post! Can’t wait for the next one. Keep stuff like this coming.
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