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

[bugzilla-daemon at freedesktop.org]

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





--- Comment #16 from Adrian Johnson <ajohnson at redneon.com>  2009-06-03 14:19:32 PST ---
(In reply to comment #15)
> Created an attachment (id=26402)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26402) [details]
> Implement axialShadedFill() in cairo backend using cairo linear gradient
> patterns
> 
>  poppler/CairoOutputDev.cc |  297 +++++++++++++++++++++++++++++++++++++++++++++ 
>  poppler/CairoOutputDev.h  |    6 +                                             
>  2 files changed, 303 insertions(+), 0 deletions(-)
> 
> This patch implements linear gradients in cairo backend. I'm not a cairo guru
> so I'm not sure it's completely right, it fixes the problem with the first
> attachment. 
> 

The use of cairo looks fine. Would it be better to avoid duplicating the
bisection code from Gfx and instead add a new axial shading OutputDev function
that provides the coordinates of each stop?


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