2014/10/15 下午 10:05:05

iphone Programming Glossary: cgpoints

How to animate one image over the unusual curve path in my iPad application?

http://stackoverflow.com/questions/10705587/how-to-animate-one-image-over-the-unusual-curve-path-in-my-ipad-application

site. Once you know your control points you can create a simple bezier path like this where all the points are normal CGPoints UIBezierPath arcingPath UIBezierPath bezierPath arcingPath moveToPoint startPoint arcingPath addCurveToPoint endPoint controlPoint1..

Improving Finger Painting Performance

http://stackoverflow.com/questions/1355527/improving-finger-painting-performance

top UIView. Sidenote Each Drawing is simply an NSArray of custom Point Objects which are just NSObject containers for CGPoints. And the underlying UIView has a seperate NSArray where it stores these NSArrays of CGPoints The Problem Is When a great.. NSObject containers for CGPoints. And the underlying UIView has a seperate NSArray where it stores these NSArrays of CGPoints The Problem Is When a great deal of graphics has accumulated on the underlying UIView it takes time to draw it all out on.. lot of graphics on the screen iphone uikit uiview core graphics context share improve this question An NSArray of CGPoints You mean an NSArray of NSValues holding CGPoints That's an incredibly time expensive way to hold what has to be a huge number..

Getting the bounds of an MKMapvIew

http://stackoverflow.com/questions/2081753/getting-the-bounds-of-an-mkmapview

a region and zooming in the map I try to get the bounds. I'm stuck on the first step which is to try to get the CGPoints that represent the SE and NW corners of the map. After that I was going to use CLLocationCoordinate2D convertPoint CGPoint..

What's the best way to put a c-struct in an NSArray?

http://stackoverflow.com/questions/4516991/whats-the-best-way-to-put-a-c-struct-in-an-nsarray

p length sizeof Megapoint nil BTW as a point of reference and thanks to Jarret Hardie here's how to store CGPoints and similar in an NSArray NSArray points NSArray arrayWithObjects NSValue valueWithCGPoint CGPointMake 6.9 6.9 NSValue valueWithCGPoint..

How to fill a shape defined with CGPoints with gradient in iOS?

http://stackoverflow.com/questions/7175886/how-to-fill-a-shape-defined-with-cgpoints-with-gradient-in-ios

to fill a shape defined with CGPoints with gradient in iOS I have a custom shape of an arrow set up in code. What I'm trying to do is fill it with gradient...

Detect if CGPoint within polygon

http://stackoverflow.com/questions/8952476/detect-if-cgpoint-within-polygon

if CGPoint within polygon I have a set of CGPoints which make up a polygon shape how can I detect if a single CGPoint is inside or outside of the polygon Say the shape was..

Moving an image along a series of CGPoints

http://stackoverflow.com/questions/9245954/moving-an-image-along-a-series-of-cgpoints

an image along a series of CGPoints I have path stored in an array of CGPoints which I'd like to move an image along. Here's the general code I have so far.. an image along a series of CGPoints I have path stored in an array of CGPoints which I'd like to move an image along. Here's the general code I have so far void movePic id sender for int i 0 i self.array.count..