質問編集履歴
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修正
test
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File without changes
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test
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@@ -15,59 +15,3 @@
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どのようにすれば、それ以上の圧縮ができるのでしょうか。
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それともiOS側での処理を諦め、サーバーサイドでの処理が必要になるのでしょうか。
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-
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```
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static func convertToJPEG(image: UIImage, maxBytes: Int = 20000) -> Data? {
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var quality: CGFloat = 0.7
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guard var data = UIImageJPEGRepresentation(image, quality) else {
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return nil
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}
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while data.count > maxBytes {
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quality *= min(0.7, CGFloat(maxBytes) / CGFloat(data.count))
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guard let newData = UIImageJPEGRepresentation(image, quality) else {
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return nil
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}
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if data.count == newData.count && quality != 0 {
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quality = 0
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}
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data = newData
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if quality == 0 {
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break
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}
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}
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return data
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}
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```
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