cgpoint

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Using CoreData with drawing (CGPoint)

I would like to use Core Data for a drawing application where the user draws in a UIImageView using CGPoints has the option to save and at a later time load different drawings (and add to them if the[详细]

2023-03-11 07:26 分类：问答
CGPointMake(random(), random()) not working [duplicate]

This question already has answers here: 开发者_开发问答 Closed 11 years ago. Possible Duplicate:[详细]

2023-03-08 23:57 分类：问答
How to make the previous label disappear and be released?

How to make the previous \"label box\" disappear and be released? I release the object but it still just creates new \"label boxes\" on top of \"label boxes\" when I tap and move.[详细]

2023-03-08 16:25 分类：问答
Invalid Summary on NSMutableArray

I would need some expert advice on how to solve this problem. I am doing some crude testing for a new app for the iPad.[详细]

2023-03-07 03:42 分类：问答
convertPoint:fromView: works well on the simulator, not on device

I was happy to see this: answer for how to convert point of a subview and it worke开发者_StackOverflowd perfect for me on the simulator.[详细]

2023-03-06 08:11 分类：问答
CGPoint property used in class from other class with Lvalue error

I have two major classes in objective C using cocos2D, DebugZoneLayer and HeroClass.Using Cocos2D may not be part of the issue.[详细]

2023-03-02 14:25 分类：问答
Using GDataXML to get a CGPoint from an xml?

I currently have an xml with the following code: <Level> [详细]

2023-02-19 11:47 分类：问答
Finding CGPoint by adding into distance of two CGPoints

I have two CGPoints A and B. Distance between A and B can be found with ccpDistance(A,B). With this information, I need to find programmatically CGPoint(x,y) of X by adding small distance into dista[详细]

2023-02-18 22:05 分类：问答
CGPoints and UIViews

Is it possible to place a CGPoint inside of a UIView as a subview so 开发者_如何学编程that when I rotate my UIView, the CGPoint rotates with it.A CGPoint is a logical construct, not a graphical. With[详细]

2023-02-09 04:30 分类：问答
Request for member 'center in something not a structure or union

I have a ball class which is composed by an UIImage I draw on the screen. I have 2 floats to get poistion of the UIImage, x and y so I made 2 getters to have the position:[详细]

2023-02-08 21:27 分类：问答