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UIImage， UIImageView 与图片处理 #89

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ShannonChenCHN opened this issue Sep 19, 2017 · 4 comments
Open

UIImage， UIImageView 与图片处理 #89

ShannonChenCHN opened this issue Sep 19, 2017 · 4 comments

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@ShannonChenCHN
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ShannonChenCHN commented Sep 19, 2017 •
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  • UIImage
    • imageNamed
  • UIImageView
  • GIF 动图
@ShannonChenCHN ShannonChenCHN changed the title 图片处理UIImage UIImageView UIImage 与 UIImageView Sep 19, 2017
@ShannonChenCHN ShannonChenCHN changed the title UIImage 与 UIImageView UIImage， UIImageView 与图片处理 Sep 19, 2017
@ShannonChenCHN ShannonChenCHN mentioned this issue Sep 19, 2017
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ShannonChenCHN commented Sep 19, 2017 •
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延伸阅读

@ShannonChenCHN ShannonChenCHN mentioned this issue Sep 19, 2017
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UIImageView 的 contentMode

  • contentMode 的使用
  • 能否同时实现 ScaleAscpectFill 和 Top 的展示效果？（两种思路）
    • 继承 UIView ，重写 drawRect 方法，自己通过 UIImage 的 drawInRect 方法实现图片的自定义绘制
    • 继承 UIImageView，外部暴露 alignment 相关的 API，内部包含一个 UIImageView，通过调整内部 UIImageView 的尺寸和位置来实现

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@ShannonChenCHN
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imageNamed: 方法的讨论

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ShannonChenCHN commented Sep 20, 2017 •
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图片处理

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