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饼图中文字和线条的位置 #13

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i6u opened this issue Sep 20, 2017 · 1 comment

i6u commented Sep 20, 2017

大家都是怎么处理的？有什么技巧吗？

aprz512 commented Nov 10, 2017

线条起始点我算的是扇形弧边的中心点拿到画扇形矩形的中心店,然后根据角度的一半算 sin cos 值,加上去就是弧边的中心点了文字的位置在线的位置上偏移一下

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