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List: kde-kimageshop
Subject: Re: Possible problem in tile engine
From: Dmitry Kazakov <dimula73 () gmail ! com>
Date: 2010-01-19 12:17:04
Message-ID: ae32c1ef1001190417u5d1a23d8s44125743eb77e4a8 () mail ! gmail ! com
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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@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@gmail.com
> To: kimageshop@kde.org
>
>
>
> On Tue, Jan 19, 2010 at 2:39 AM, Sven Langkamp <sven.langkamp@gmail.com>
> wrote:
>
> On Tue, Jan 19, 2010 at 12:32 AM, Ed . <schumifer@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
>
> _________________________________________________________________
> Windows Live: Keep your friends up to date with what you do online.
>
> http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_1:092010
> _______________________________________________
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> kimageshop@kde.org
> https://mail.kde.org/mailman/listinfo/kimageshop
>
--
Dmitry Kazakov
[Attachment #5 (text/html)]
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.<br><br><div class="gmail_quote">On Tue, Jan \
19, 2010 at 11:44 AM, Ed . <span dir="ltr"><<a \
href="mailto:schumifer@hotmail.com">schumifer@hotmail.com</a>></span> wrote:<br> \
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex;"><br> To reproduce:<br>
<br>
- Open any image or paint something yourself.<br>
- Select the perspective transformation tool from the toolbox (under the Move a Layer \
tool)<br>
- 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.<br>
- Transformed image has upper left corner missing!<br>
<br>
Date: Tue, 19 Jan 2010 08:22:08 +0300<br>
Subject: Re: Possible problem in tile engine<br>
From: <a href="mailto:dimula73@gmail.com">dimula73@gmail.com</a><br>
To: <a href="mailto:kimageshop@kde.org">kimageshop@kde.org</a><br>
<div><div></div><div class="h5"><br>
<br>
<br>
On Tue, Jan 19, 2010 at 2:39 AM, Sven Langkamp <<a \
href="mailto:sven.langkamp@gmail.com">sven.langkamp@gmail.com</a>> wrote:<br> <br>
On Tue, Jan 19, 2010 at 12:32 AM, Ed . <<a \
href="mailto:schumifer@hotmail.com">schumifer@hotmail.com</a>> wrote:<br> <br>
<br>
<br>
<br>
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.<br>
<br>
<br>
<br>
<br>
<br>
I decided to recompile Krita with the old tile engine, and sure enough, the problem \
disappeared.<br> <br>
<br>
<br>
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<br> \
<br> <br>
<br>
This is a more general problem. See <a \
href="https://bugs.kde.org/show_bug.cgi?id=220234" \
target="_blank">https://bugs.kde.org/show_bug.cgi?id=220234</a><br> I'm not sure \
how to reproduce that exactly.<br> <br>
<br>
Sven, how did you produced this file?Edward, how can i run perspectivetransform \
tool?<br>
--<br>
Dmitry Kazakov<br>
<br>
</div></div>_________________________________________________________________<br>
Windows Live: Keep your friends up to date with what you do online.<br>
<a href="http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_1:092010" \
target="_blank">http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-acti \
on/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_1:092010</a><br>
<div><div></div><div class="h5">_______________________________________________<br>
kimageshop mailing list<br>
<a href="mailto:kimageshop@kde.org">kimageshop@kde.org</a><br>
<a href="https://mail.kde.org/mailman/listinfo/kimageshop" \
target="_blank">https://mail.kde.org/mailman/listinfo/kimageshop</a><br> \
</div></div></blockquote></div><br><br clear="all"><br>-- <br>Dmitry Kazakov<br>
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kimageshop mailing list
kimageshop@kde.org
https://mail.kde.org/mailman/listinfo/kimageshop
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