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whataa avatar whataa commented on May 30, 2024

画线范围是相对View区域的，不太理解你的问题

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BolexLiu avatar BolexLiu commented on May 30, 2024

比如我们自定义了一个VIew。要求适配不同的手机上展示等比例绘制画布上的图。 比如画一条线是长度是10。那么在画布中这个10的单位是用的什么来表示呢？ 再一个若使用控件时传入了dp作为单位，是否还要考虑到转换单位再绘制的问题。

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whataa avatar whataa commented on May 30, 2024

图肯定是适配了的，你也可以参见源码。例如指定了可见点的数量，不论屏幕多大大小，始终是指定的数量，变化的是两个点之间的间距。另外，对外的接口的参数只有xy轴的文字大小的单位需要是sp，其余的不涉及dp或者sp，因此整体来说，不用担心适配问题。

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BolexLiu avatar BolexLiu commented on May 30, 2024

好的，感谢。照这样理解。是不是除了字体是用了sp，其余的都是px。也就是基于像素来确定单位的？

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whataa avatar whataa commented on May 30, 2024

是的，不过我建议你可以以具体的某个方法为例咨询。

最后感谢你的提问。

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