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纠错: 第四章 4.7 对齐与相对定位(alignment) #197

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zhangyyysss opened this issue Jun 12, 2023 · 0 comments

zhangyyysss commented Jun 12, 2023

书中计算转换坐标:
Alignment可以通过其坐标转换公式将其坐标转为子元素的具体偏移坐标：
(Alignment.xchildWidth/2+childWidth/2, Alignment.ychildHeight/2+childHeight/2)

实际上坐标转换应该与原容器大小有关:
https://api.flutter-io.cn/flutter/widgets/Align-class.html
https://segmentfault.com/a/1190000041631644

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