which is the best way to check whether a UIImage is blank? I have this painting editor which r开发者_开发技巧eturns a UIImage; I don\'t want to save this image if there\'s nothing on it.Try this code:
I need to replicate the effect that the UIButton does on an image when tapped, the highlighting. See:
I have multiple images( NSData* of UIImage).Reason being, I can\'t hold too many UIImages in memory. I want to change their color and merge them fast without creating too many UIImages at once at any
I\'m开发者_开发知识库 having trouble with UIImage memory management. (iphone) my app gets memory warning when instruments shows "all allocations" only 7mb?
I want rotate a square UIImage relative to one of开发者_StackOverflow中文版 it\'s corner, for example, it\'s top left corner, how can I do it in a simple way?Check out this open source project: Kitche
i have todisplay two images one below the other. The images should look as if one is overlapping another(more over like a 3d image). i am using(i must use) drawRect method to display the images. i am
I\'m trying to render a CGPDFPage (selected from a CGPDFDocument) into a UIImage to display ona view.
I\'m trying to make an array of objects (animalImages) from a plist file which contains the name of the images to pull from my resources folder. I tried using a for loop to add each image individually
In my iPhone App I am storing image into NSDat开发者_如何学Ca by UIImage *image =imageView.image;
I have a scrolling grid of photos that looks and functions pretty much exactly like the photo picker on the iPhone. It is constructed from a UITableView that uses a custom UITableViewCell which displa
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