[cairo] [PATCH] add "surface_transform" parameter to "replay_and_create_regions" function

[Bryce Harrington]

On Thu, Dec 31, 2015 at 01:54:37PM +0100, Guillaume Ayoub wrote:
> Hi,
> 
> I have tried twice to send a patch in 2013, but nobody answered :(.
> 
> Here is the description of the patch:
> 
> > This patch adds a "surface_transform" parameter to the
> "replay_and_create_regions" function.
> >
> > It was already done in surface_replay_with_clip, as the matrix is
> obviously needed for the clip. But now, because of the optimization
> done in commit 09b42c7, it's also needed by
> replay_and_create_regions: get_target_extents clips the target
> surface for performance issues, and therefore needs the
> surface_transform matrix to get the right clipping surface.
> 
> I can provide further information if needed. Please let me know if
> there's anything wrong with this patch, or if I can do anything to
> make it find its way to the repository.
> 
> The patch is available here:
> http://lists.cairographics.org/archives/cairo/2013-May/024301.html
> 
> The bug have been introduced in commit 09b42c7:
> http://cgit.freedesktop.org/cairo/commit/?id=09b42c7
> 
> An example of what this bug causes have been reported here:
> https://github.com/Kozea/WeasyPrint/issues/278
> 
> Thank you, and happy new year!

I would suggest using git format-patch and git send-mail to post
patches.

There's some good tips on effective patch submission here:

   http://wiki.x.org/wiki/Development/Documentation/SubmittingPatches/

Bryce