Possible problem in tile engine

[Dmitry Kazakov]

Seems like my branch is far behind trunk as i don't have this tool =). I'll
take a look at it after finish walkers.

On Tue, Jan 19, 2010 at 11:44 AM, Ed . <schumifer at hotmail.com> wrote:

>
> To reproduce:
>
> - Open any image or paint something yourself.
> - Select the perspective transformation tool from the toolbox (under the
> Move a Layer tool)
> - Create the perspective quad. To create the perspective quad, click on the
> canvas on four different points such that you enclose a region. You should
> see some feedback after the second click.
> - Transformed image has upper left corner missing!
>
> Date: Tue, 19 Jan 2010 08:22:08 +0300
> Subject: Re: Possible problem in tile engine
> From: dimula73 at gmail.com
> To: kimageshop at kde.org
>
>
>
> On Tue, Jan 19, 2010 at 2:39 AM, Sven Langkamp <sven.langkamp at gmail.com>
> wrote:
>
> On Tue, Jan 19, 2010 at 12:32 AM, Ed . <schumifer at hotmail.com> wrote:
>
>
>
>
> While working on the perspective transformation tool I noticed that when
> transforming the image, the region of the upper left corner of the image
> went missing. After discussing the problem with CyrilleB, he noticed that
> the size of missing part was 64x64, which happens to be the size of a tile
> in the tile engine.
>
>
>
>
>
> I decided to recompile Krita with the old tile engine, and sure enough, the
> problem disappeared.
>
>
>
> It would be a good idea for someone with knowledge in this area to look
> into this. The relevant perspective code is in
> krita/plugins/tools/tool_perspectivetransform/kis_perspectivetransform_worker.cpp
>
>
>
> This is a more general problem. See
> https://bugs.kde.org/show_bug.cgi?id=220234
> I'm not sure how to reproduce that exactly.
>
>
> Sven, how did you produced this file?Edward, how can i run
> perspectivetransform tool?
> --
> Dmitry Kazakov
>
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-- 
Dmitry Kazakov
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