https://bugs.kde.org/show_bug.cgi?id=348580
Bug ID: 348580
Summary: PDF gradient incorrectly rendered
Product: okular
Version: 0.22.1
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: PDF backend
Assignee: okular-devel@kde.org
Reporter: vanboxem.ru...@gmail.com
PDF gradients are incorrectly rendered in Okular.
Reproducible: Always
Steps to Reproduce:
When rendering the PDF file generated by pdflatex from this source:
\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{shadings}
\begin{document}
\begin{tikzpicture}
\shade[shading=color wheel, opacity=.6, shading angle=220] (0,0) circle (1);
\end{tikzpicture}
\end{document}
Actual Results:
Okular renders this incorrectly: grid lines and very bad gradient resolution
(see screenshots). The grid lines disappear when "shading angle=220" is removed
from the source.
Expected Results:
The gradient should render smoothly (see screenshots)
IIRC, I reported a bug about this to qpdfview, which didn't show the grid lines
as okular does, but did show a squar texture pattern, albeit interpolated.
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