回答編集履歴
2
修正
test
CHANGED
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@@ -13,3 +13,73 @@
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13
13
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imageView.clipsToBounds = true
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```
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16
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回答追記
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20
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21
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---
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```swift
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26
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27
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import UIKit
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28
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29
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30
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31
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class ViewController: UIViewController {
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32
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33
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34
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35
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@IBOutlet weak var imageView: UIImageView!
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36
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37
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38
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39
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override func viewDidLoad() {
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40
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super.viewDidLoad()
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imageView.image = UIImage(named: "apple")?.resize(imageView.frame.width)
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imageView.contentMode = .Top
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48
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49
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imageView.clipsToBounds = true
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50
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51
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52
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53
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print(imageView.image?.size)
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54
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55
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}
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56
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57
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}
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58
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59
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60
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61
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extension UIImage {
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62
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63
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func resize(imageViewWidth: CGFloat) -> UIImage {
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64
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65
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let ratio = imageViewWidth / self.size.width
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66
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67
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let resizedSize = CGSize(width: (self.size.width * ratio), height: (self.size.height * ratio))
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68
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69
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70
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UIGraphicsBeginImageContextWithOptions(resizedSize, false, 0.0)
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72
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73
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drawInRect(CGRect(x: 0, y: 0, width: resizedSize.width, height: resizedSize.height))
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75
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let resizedImage = UIGraphicsGetImageFromCurrentImageContext()
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76
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77
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UIGraphicsEndImageContext()
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78
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79
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return resizedImage
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80
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81
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}
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82
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83
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}
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84
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85
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```
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1
修正
test
CHANGED
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@@ -4,4 +4,12 @@
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4
4
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5
5
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imageView.layer.masksToBounds = true
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6
6
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7
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8
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9
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or
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11
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12
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13
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imageView.clipsToBounds = true
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14
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7
15
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```
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