[Poppler-bugs] [Bug 56858] Huge simple PDF displayed blank in poppler-glib-demo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=56858

--- Comment #3 from Adrian Johnson <ajohnson at redneon.com> ---
Created attachment 69893
  --> https://bugs.freedesktop.org/attachment.cgi?id=69893&action=edit
Downscale source image before creating a cairo image

Running pdftocairo with a reduced resolution to ensure the output image is not
too large still fails to produce the correct output because the souce image in
the PDF has a height of 161385 which is too large for cairo.

This patch fixes this problem by scaling down source images before creating a
cairo image surface.

Running pdftocairo -png -r 72 Shimshon40.pdf now produces the correct output.

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