[Poppler-bugs] [Bug 10942] New: spurious horizontal stripes in color gradients

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=10942

           Summary: spurious horizontal stripes in color gradients
           Product: poppler
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: cairo backend
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: carlosgc at gnome.org


Bug forwarded from Evince: http://bugzilla.gnome.org/show_bug.cgi?id=438386

"Please describe the problem:
While making a scientific poster evince showed annoying stripes in color
gradients. xpdf (version 3.01) and acrobat render the document correctly.

Steps to reproduce:
It should be possible to reproduce the bug by compiling following file with
pdflatex.

\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{color}
\usepackage{tikz}
\usepackage[a0paper,margin=2cm,nohead,nofoot,paperheight=110cm,
paperwidth=95cm]{geometry}

\definecolor{botcol}{rgb}{0.890625, 0.88671875, 0.99609375}
\definecolor{topcol}{rgb}{1.0, 1.0, 1.}

\pagestyle{empty}
\pagecolor{black}



\begin{document}

\begin{tikzpicture}
\draw (0,0) node[shade, color=topcol, bottom color=botcol] {
\parbox{1.\textwidth}{
\Large Test
\vspace{30cm}
}};
\end{tikzpicture}

\end{document}"

It's only reproducible with cairo backend, with splash it's rendered correctly.


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