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部分阅读器透明度失效 #97

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LogCreative opened this issue May 8, 2022 · 2 comments
Open

部分阅读器透明度失效 #97

LogCreative opened this issue May 8, 2022 · 2 comments
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@LogCreative
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LogCreative commented May 8, 2022

最近基于 pdf.js 的阅读器(如 VS Code 插件 LaTeX Workshop, Overleaf 等)在使用 tikzfadingfrompicture 实现的遮罩图形上会出现不透明度无法正常渲染的情况。

VS Code LaTeX Workshop
基于 pdf.js
Adobe Acrobat pympress
基于 poppler
SJTUG 主题 image image image
max 主题 image image image

注意在测试 v2.3.0 的样例文件时并没有发生这种问题,问题出现在近期,LaTeX Workshop 目前的 pdf.js 升级版本:James-Yu/LaTeX-Workshop#3187

该问题最近的一次报告:#94

@LogCreative
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当前的解决方案(选其一):

  1. 直接关闭正文的背景(封面页暂时不好修改),在导言区添加
\setbeamertemplate{background}{}
  1. 换成不使用 pdf.js 的阅读器

@LogCreative
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可能相关的 issue:pgf-tikz/pgf#1057

该 issue 指出 tikzfadingfrompicture 在 CMYK 色彩模式下于 pdf.js 中未正常渲染颜色。

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