[Bug 246903] New: Preview not updated when zoom level changes

[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=246903

           Summary: Preview not updated when zoom level changes
           Product: digikam
           Version: 1.4.0
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Image Editor
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.4.0 (using KDE 4.4.5)
OS:                Linux

To reproduce:
* Open the Curves widget
* Switch the preview mode to Mouse-over mode,
* Change the curve
* Zoom into the image
Now the preview is not shown anymore, no matter where the mouse is.

I was zooming into the image with Ctrl+Wheel. So it does not make sense to
recalculate  the preview for each zoom step, only when the mouse leaves the
image, which is when the preview should be shown again.

Reproducible: Always




OS: Linux (x86_64) release 2.6.34-0.slh.11-sidux-amd64
Compiler: cc

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=246903


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2010-08-17 10:33:04 ---
This is not a bug, it's the current behavior...

recompute the preview for each zoom level will take a while an gui will be
difficult to use.

Gilles Caulier

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[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=246903





--- Comment #2 from Simon <simon eu gmail com>  2010-08-17 10:36:54 ---
Yes -- I did not mean it to recompute for every zoom level you go through while
zooming in/out.

But when I zoom out to see the whole image, or zoom in to see how the effect
effects a certain part, then I need to either change a curve node or click
again on the «Original on mouse over» icon. Neither of them makes sense.

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[Gilles Caulier-4]

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--- Comment #3 from Gilles Caulier <caulier gilles gmail com>  2011-12-18 17:16:25 ---
Simon,

This file still valid using digiKam 2.4 ?

Gilles Caulier

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[Simon-2]

https://bugs.kde.org/show_bug.cgi?id=246903

--- Comment #4 from Simon <[hidden email]> ---
Yes.

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[Gilles Caulier-4]

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--- Comment #5 from Gilles Caulier <[hidden email]> ---
And with last digiKam 2.6.0 just released ?

Gilles Caulier

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[Simon-2]

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--- Comment #6 from Simon <[hidden email]> ---
Only have the beta3 here in the repository, but for this one, yes.

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[Gilles Caulier-4]

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--- Comment #7 from Gilles Caulier <[hidden email]> ---
"yes", want mean fixed or not ?
Gilles Caulier

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[Simon-2]

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--- Comment #8 from Simon <[hidden email]> ---
Means yes, still exists ;)

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=246903

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Preview not updated when    |Editor plugins canvas not
                   |zoom level changes          |updated when zoom level
                   |                            |changes

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=246903

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Editor plugins canvas not   |Editor Canvas : not updated
                   |updated when zoom level     |when zoom level changes in
                   |changes                     |plugins

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[Marcel Wiesweg]

https://bugs.kde.org/show_bug.cgi?id=246903

Marcel Wiesweg <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|1.4.0                       |3.0.0

--- Comment #9 from Marcel Wiesweg <[hidden email]> ---
The bug affects zooming with any mode of change preview (mouse over, side by
side, after).
I believe auto-recomputation should be started by a timer.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=246903

Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
   Version Fixed In|                            |4.0.0
         Resolution|---                         |FIXED
      Latest Commit|                            |http://commits.kde.org/digi
                   |                            |kam/6394b9d53c4727c08f5b45c
                   |                            |14f5f4871778db465

--- Comment #10 from Gilles Caulier <[hidden email]> ---
Git commit 6394b9d53c4727c08f5b45c14f5f4871778db465 by Gilles Caulier.
Committed on 29/01/2014 at 16:29.
Pushed by cgilles into branch 'gsoc2013-editorcanvas'.

Canvas and ImageRegionWidget must be synchronized between editor toll sessions
FIXED-IN: 4.0.0

M  +11   -0    libs/widgets/graphicsview/graphicsdimgview.cpp
M  +5    -3    libs/widgets/graphicsview/graphicsdimgview.h
M  +21   -7    utilities/imageeditor/editor/editortooliface.cpp
M  +0    -5    utilities/imageeditor/widgets/canvas.cpp
M  +0    -8    utilities/imageeditor/widgets/canvas.h
M  +0    -6    utilities/imageeditor/widgets/imageregionwidget.cpp
M  +0    -2    utilities/imageeditor/widgets/imageregionwidget.h

http://commits.kde.org/digikam/6394b9d53c4727c08f5b45c14f5f4871778db465

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[bugzilla_noreply]

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           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|ImageEditor                 |ImageEditor-Canvas

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