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UIImageを動的に作る

Objective-C

Last updated at 2014-02-21Posted at 2014-02-21

サムネイル画像とかを動的に作るときに使えそう。

UIGraphicsBeginImageContextWithOptions(CGSizeMake(100, 100), NO, 0.0);
[image drawInRect:CGRectMake(0, 0, 100, 100)];
UIImage *thumbnail = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();

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