I need to draw a series of PNGs into a CGContext so I can blend them together: CGContextRef context = UIGraphicsGetCurrentContext();
I want to save and read a UIImage to my temp folder when my app closes and then load and delete it when the a开发者_开发技巧pp loads. How do I accomplish this. Please help.These methods allow you to s
I am getting image data in form of char * (stored on sql server). I wa开发者_运维百科nt to convert those data to NSData to display image in UIImage view.
Here my code UIImage * result = [[UIImage alloc] imageWithContentsOfFile:filePath]; here my error log > 2009-12-22 17:00:44.137
I cache the images to the document directory of my app using the following code. NSArray *paths = NSSearchPa开发者_如何学运维thForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
I have a mask (loaded from a 256 grey PNG) that I want to apply to an image that\'s being used as part of my process for drawing a UITableViewCell\'s imageView.image property.
How 开发者_如何学JAVAdo I save an Image to User DefaultsYou can save it as NSData. To get a NSData object from a UIImage, you can use one of the following functions:
I want to set a different image for each cell of my table view. I don\'t kno开发者_StackOverflow社区w how to do this -- please help me.
resizing a camera UIImage returned by the UIImagePickerController takes a ridiculously long time if you do it the usual way as in this post.
I have a uiscrollview with contentsize 1280*1280 and 25 images of equal size loaded in it. When i scroll and meet an end, I want to know the identity of the image which is currently present at the scr
加载中,请稍侯......