[cairo-bugs] [Bug 38938] cairo-1.10.2 renders RGB PNGs without blue channel (yellow colouring)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38938

--- Comment #4 from Andrea Canciani <ranma42 at gmail.com> 2011-07-04 01:35:37 PDT ---
Created an attachment (id=48735)
 View: https://bugs.freedesktop.org/attachment.cgi?id=48735
 Review: https://bugs.freedesktop.org/review?bug=38938&attachment=48735

Workaround different byte layout

It looks like the byte layout libpng15 expects is different from that used in
previous library versions.
This might be actually caused by something we forgot to initialize, but it
certainly looks suspect.

The attached patch seems to work around the issue, but it breaks png generation
on libpng1{2,4}.

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