[Poppler-bugs] [Bug 94052] pdftoppm rendering inset image as black box

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94052

--- Comment #4 from Thomas Freitag <Thomas.Freitag at alfa.de> ---
Created attachment 121801
  --> https://bugs.freedesktop.org/attachment.cgi?id=121801&action=edit
Short documentation about thinlinemodes

No, Micah. Thin lines should never vanish, at least not when Your render it
with at least 72 dpi. I attach the short documentation I wrote when I
implemented the thinlinemode's. Or better, look at "PDF with thin grid lines"
from bug 37347, and try that PDF with and without thinlinemode option and
different resolutions. That PDF was the motivation for my implementation.

That the grey background disappears in the PDF of this bug when You use
"-thinlinemode shape" is a bug in the implementation: it doesn't distinguish in
this case if it is a stroke or a fill operation, so even in case of a fill
operation it draws the line with a shape corresponding to the line width set by
the document. But the document doesn't set the line width, so it's 0 and
therefore the line is drawn white.
The patch for bug 94152 repairs that.

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