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recwave-Histogram3可视化问题 #202

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yuhahahahaha opened this issue Dec 11, 2023 · 3 comments
Open

recwave-Histogram3可视化问题 #202

yuhahahahaha opened this issue Dec 11, 2023 · 3 comments

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@yuhahahahaha
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你好，uniapp开发微信小程序，ios真机调试中canvas只显示右侧一半的问题（镜像模式mirrorEnable已开启）,安卓机没有这个情况
@xiangyuecn
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测试了一下，iOS小程序上是有这个问题，看起来是微信iOS上的canvas没有实现 drawImage(canvas) 方法，目前没有好的解决办法，只能改绘图代码 将镜像部分通过代码重新绘制，丢弃drawImage方法

@yuhahahahaha
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yuhahahahaha commented Dec 11, 2023 via email

@xiangyuecn
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新版本 1.3.23121700 的 FrequencyHistogramView 已修复这个问题，删除了drawImage方法的调用

Recorder/app-support-sample/miniProgram-wx/README.md

Lines 46 to 49 in 09e5fb6

> 已知问题：iOS上微信小程序基础库存在bug，canvas.drawImage(canvas)可能无法绘制，可能会导致可视化插件WaveSurferView在iOS小程序上不能正确显示，其他可视化插件、Android、开发工具均无此兼容性问题；相关链接：[issues#202](https://github.com/xiangyuecn/Recorder/issues/202)，[社区内2023-11-16说在修](https://developers.weixin.qq.com/community/develop/doc/000aaca2148dc8a235a0fb8c66b000)。

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@xiangyuecn @yuhahahahaha