回答編集履歴
2
修正
answer
CHANGED
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@@ -5,4 +5,39 @@
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5
5
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or
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6
6
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7
7
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imageView.clipsToBounds = true
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8
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+
```
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9
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+
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10
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+
回答追記
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11
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+
---
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12
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+
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13
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+
```swift
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14
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+
import UIKit
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15
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+
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16
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+
class ViewController: UIViewController {
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17
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+
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18
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+
@IBOutlet weak var imageView: UIImageView!
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19
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+
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20
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+
override func viewDidLoad() {
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21
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+
super.viewDidLoad()
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22
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+
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23
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+
imageView.image = UIImage(named: "apple")?.resize(imageView.frame.width)
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24
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+
imageView.contentMode = .Top
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25
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+
imageView.clipsToBounds = true
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26
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+
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27
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+
print(imageView.image?.size)
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28
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+
}
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|
29
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+
}
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30
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+
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31
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+
extension UIImage {
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|
32
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+
func resize(imageViewWidth: CGFloat) -> UIImage {
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|
33
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+
let ratio = imageViewWidth / self.size.width
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34
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+
let resizedSize = CGSize(width: (self.size.width * ratio), height: (self.size.height * ratio))
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|
35
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+
|
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36
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+
UIGraphicsBeginImageContextWithOptions(resizedSize, false, 0.0)
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|
37
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+
drawInRect(CGRect(x: 0, y: 0, width: resizedSize.width, height: resizedSize.height))
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|
38
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+
let resizedImage = UIGraphicsGetImageFromCurrentImageContext()
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39
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+
UIGraphicsEndImageContext()
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|
40
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+
return resizedImage
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|
41
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+
}
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42
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+
}
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8
43
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```
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1
修正
answer
CHANGED
|
@@ -1,4 +1,8 @@
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1
1
|
以下の様にするといかがでしょうか？
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2
2
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```swift
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3
3
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imageView.layer.masksToBounds = true
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4
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+
|
|
5
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+
or
|
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6
|
+
|
|
7
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+
imageView.clipsToBounds = true
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4
8
|
```
|