Created
November 25, 2015 03:07
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UIImage の画素データを Array で取得する方法 ref: http://qiita.com/lovee/items/74c0310a50d1b752ceb8
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| func getByteArrayFromImage(imageRef: CGImageRef) -> [UInt8] { | |
| let data = CGDataProviderCopyData(CGImageGetDataProvider(imageRef)) | |
| let length = CFDataGetLength(data) | |
| var rawData = [UInt8](count: length, repeatedValue: 0) | |
| CFDataGetBytes(data, CFRange(location: 0, length: length), &rawData) | |
| return rawData | |
| } |
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| let imageRef = UIImage(named: "SomeImage.png")!.CGImage! | |
| let imageData = getByteArrayFromImage(imageRef) |
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