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List: koffice-devel
Subject: Re: Review Request: The patch for KCurve and KisPerChannelFilter
From: "Johannes Simon" <johannes.simon () gmail ! com>
Date: 2009-02-20 9:59:05
Message-ID: 20090220095905.32588.82777 () localhost
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http://reviewboard.kde.org/r/128/#review190
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There is a couple of places where two numbers are divided, without checking the \
divisor for equality with 0. It might be that it is simply not necessary because the \
number will never be 0, but generally, i would discourage you to divide two numbers \
without a check.
See for example lines 82, 94 and 95.
- Johannes
On 2009-02-19 13:30:40, Dmitry Kazakov wrote:
>
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> This is an automatically generated e-mail. To reply, visit:
> http://reviewboard.kde.org/r/128/
> -----------------------------------------------------------
>
> (Updated 2009-02-19 13:30:40)
>
>
> Review request for KOffice.
>
>
> Summary
> -------
>
> This patch goes together with the next one!
> http://reviewboard.kde.org/r/129/
>
> What is done:
> KCurve:
> - implemented cubic splines in KCurve widget. Now all the calculations are made \
> inside KCubicSpline template.
> - faster calculations of the spline because of caching of the coefficients inside \
> the template
> - faster (*much faster*) redrawing of the curve because of caching of the _scaled_ \
> @m_pix histogram image in @m_pixmapCache object
> - fixed 'out_of_range' bug when you tried to delete the last point of the curve
>
> KCurve+KisPerChannelWidget
> - added In/Out spinboxes like in photoshop to allow user to modify the curve with \
> keyboard
> - with spinboxes you can move the point to any place of the curve, so you can \
> change the order of the points
> - added handy function that creates new point in the middle of the curve and \
> focuses on spinboxes to set it
> - and a few small fixes
>
>
> The fist patch changes KCurve class. The second one makes KisPerChannelFilter use \
> new features.
>
> PS:
> What is planned to be done:
> 1) Look through preview mechanism, because it still slows everything down much.
> 2) Let user unselect the point of the curve by clicking on empty area
> 2,5) Hide In/Out controls when nothing selected
> 3) Far-far-future: color sampler mode for the curve (clicking on the canvas shows \
> the point on the curve)
>
> Diffs
> -----
>
> trunk/koffice/krita/ui/widgets/kcurve.h 928664
> trunk/koffice/krita/ui/widgets/kcurve.cc 928664
>
> Diff: http://reviewboard.kde.org/r/128/diff
>
>
> Testing
> -------
>
>
> Thanks,
>
> Dmitry
>
>
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