質問編集履歴
1
resizeのメソッドです。
test
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test
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@@ -218,6 +218,40 @@
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}
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extension UIImage {
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func resize(size _size: CGSize) -> UIImage? {
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let widthRatio = _size.width / size.width
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228
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let heightRatio = _size.height / size.height
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let ratio = widthRatio < heightRatio ? widthRatio : heightRatio
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let resizedSize = CGSize(width: size.width * ratio, height: size.height * ratio)
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UIGraphicsBeginImageContextWithOptions(resizedSize, false, 0.0) // 変更
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draw(in: CGRect(origin: .zero, size: resizedSize))
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let resizedImage = UIGraphicsGetImageFromCurrentImageContext()
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UIGraphicsEndImageContext()
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return resizedImage
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}
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}
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```
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