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yanfeng42/png-size.scm

Created July 19, 2021 12:21
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计算 png 图对应的 bitmap 图的大小
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png-size.scm
(define (png-size w h) (* w h 4.0 1/1024))
@yanfeng42

yanfeng42 commented Jul 19, 2021

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  • png 本身是压缩存储的.
  • bitmap 的大小, 会影响 UIImageView 加载时的 内存消耗.

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