uiimage

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create UIImage from UILabel?

I can use the following code to create image from UIView. However the same code won\'t capture the text of UILabel.(it captures label\'s background color though)[详细]

2023-04-11 13:54 分类：问答
iPhone UITableViewCell performance adding multiple Views vs one View with drawRect

I am creating some UITableViewCells with several custom items inside, my question is what route to go:[详细]

2023-04-11 10:18 分类：问答
How to programmatically set the background on a UICustomButton?

I know this question has been asked and answered in other forums, but I can\'t seem to duplicate what they did and get it to work. I am trying to set the background to a button using a picture that I[详细]

2023-04-11 00:36 分类：问答
How to remove UIImage Background color and make it transparent?

I wanted to remove UIImage background color and make it transparent... I tried this but the following code just changing White background colorinto Black Color.[详细]

2023-04-10 20:19 分类：问答
invalid context error when drawing a UIImage

I am trying to draw a UIImage to the context of my UIView. I\'ve used this code with the context stuff commented in and out ...[详细]

2023-04-10 16:41 分类：问答
Getting the average RGB color of a CGImageRef in iOS

I\'ve been struggling with this for a couple of hours, and I\'m hoping someone else has some insight. I\'m looking for a way to get the average RGB color of a 1x1 UIImage. So far I\'ve created a CGIma[详细]

2023-04-10 04:52 分类：问答
Displaying images in uiwebview from core data record

So I have an app I\'ve written for the iPad, and I\'d like to be able to allow users to insert images into their documents by selecting an image from an album or the camera. All that works great. Beca[详细]

2023-04-10 04:05 分类：问答
UIImage doesn't display in UITableView

I have an UIImageView in my UITableViewCell which is not being displayed. I get the image from the addressbook and save it as NSData but it seems that\'s not working.[详细]

2023-04-10 03:20 分类：问答
iOS: How to trim an image to the useful parts (remove transparent border)

I\'m trying to automatically show the useful part of a largely transparent png 开发者_开发问答in an iPhone app. The image may be say 500x500 but it is mostly transparent. Somewhere within that image i[详细]

2023-04-09 17:55 分类：问答
UIImage Does Not Load Image

I am using UIImage to plot a png. I have getting a weird behavior that I cannot understand. The following piece of code results in a nil im reference and thus prints \"PROBLEM!\"[详细]

2023-04-09 13:53 分类：问答