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List: kde-panel-devel
Subject: Re: Review Request 115923: Render SvgItem natively rather than going through QQuickPaintedItem
From: "David Edmundson" <david () davidedmundson ! co ! uk>
Date: 2014-02-28 15:22:55
Message-ID: 20140228152255.12300.5909 () probe ! kde ! org
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[16:00] <notmart> so, if you are sure nothing is leaking (ii still not have 100% how \
is supposed to be).. then ship it for me
- David Edmundson
On Feb. 21, 2014, 3:32 p.m., David Edmundson wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/115923/
> -----------------------------------------------------------
>
> (Updated Feb. 21, 2014, 3:32 p.m.)
>
>
> Review request for Plasma.
>
>
> Repository: plasma-framework
>
>
> Description
> -------
>
> The rationale behind this patch is on the mailing list in the thread "Minutes \
> Monday"
> This doesn't boost performance or save memory much, but it paves the way for \
> texture sharing, faster resizing, and plenty of other things.
> Based on Frederick's comment I have reverted my changes to use QImage everywhere, \
> otherwise we lose out on the local QPixmap cache in KImageCache. Changes to \
> plasmacore are minimal.
> I'm currently porting FrameSVG which is where we should see more gains, but I \
> thought I should get this reviewed/merged in parallel.
> I have only seen one regression which is in the analog clock.
> Some odd code in the analog clock (by me apparently!) means the width is dependent \
> on the current width, which due to some changes in this patch ends up in a constant \
> spiral getting to infinitely sized and explode.
>
> Changelog (in reverse order):
> Remove manual isDirty tracking in SvgItem
> Always resize the node geometry on resizes
> Update to paint to fill the size of the object, not the size of texture
> Fix leaking texture
> Add convenient QImage image() getter in SVG
> Avoid repainting if node is not changed
> Render SvgItem natively rather than going through QQuickPaintedItem
>
>
> Diffs
> -----
>
> src/declarativeimports/core/svgitem.h c8be7cc
> src/declarativeimports/core/svgitem.cpp e90751a
> src/plasma/svg.h 01d98f8
> src/plasma/svg.cpp 9ec2aa5
>
> Diff: https://git.reviewboard.kde.org/r/115923/diff/
>
>
> Testing
> -------
>
>
> Thanks,
>
> David Edmundson
>
>
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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/115923/">https://git.reviewboard.kde.org/r/115923/</a>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">[16:00] <notmart> \
so, if you are sure nothing is leaking (ii still not have 100% how is supposed to \
be).. then ship it for me </pre>
<br />
<p>- David Edmundson</p>
<br />
<p>On February 21st, 2014, 3:32 p.m. UTC, David Edmundson wrote:</p>
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<div>Review request for Plasma.</div>
<div>By David Edmundson.</div>
<p style="color: grey;"><i>Updated Feb. 21, 2014, 3:32 p.m.</i></p>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt;">Repository: </b>
plasma-framework
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">The rationale behind this patch is on the mailing list in the thread \
"Minutes Monday"
This doesn't boost performance or save memory much, but it paves the way for \
texture sharing, faster resizing, and plenty of other things.
Based on Frederick's comment I have reverted my changes to use QImage everywhere, \
otherwise we lose out on the local QPixmap cache in KImageCache. Changes to \
plasmacore are minimal.
I'm currently porting FrameSVG which is where we should see more gains, but I \
thought I should get this reviewed/merged in parallel.
I have only seen one regression which is in the analog clock.
Some odd code in the analog clock (by me apparently!) means the width is dependent on \
the current width, which due to some changes in this patch ends up in a constant \
spiral getting to infinitely sized and explode.
Changelog (in reverse order):
Remove manual isDirty tracking in SvgItem
Always resize the node geometry on resizes
Update to paint to fill the size of the object, not the size of texture
Fix leaking texture
Add convenient QImage image() getter in SVG
Avoid repainting if node is not changed
Render SvgItem natively rather than going through QQuickPaintedItem</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>src/declarativeimports/core/svgitem.h <span style="color: \
grey">(c8be7cc)</span></li>
<li>src/declarativeimports/core/svgitem.cpp <span style="color: \
grey">(e90751a)</span></li>
<li>src/plasma/svg.h <span style="color: grey">(01d98f8)</span></li>
<li>src/plasma/svg.cpp <span style="color: grey">(9ec2aa5)</span></li>
</ul>
<p><a href="https://git.reviewboard.kde.org/r/115923/diff/" style="margin-left: \
3em;">View Diff</a></p>
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