[Digikam-devel] New Filterdialog option "Preview"

Andi Clemens andi.clemens at gmx.net
Thu Jul 10 13:53:08 BST 2008


So this would mean I have to use a toggle button without text? Hmm and how to 
inform the user what this button does? And I need an icon as well. Maybe we 
should just put this into 0.10 and leave 0.9.4 as it is? Release will be this 
sunday, right?

Andi

On Thursday 10 July 2008 14:31:56 Gilles Caulier wrote:
> 2008/7/10 Andi Clemens <andi.clemens at gmx.net>:
> > I have to rename the patch, this is not web compatible...
> >
> > patch:
> > http://digikam3rdparty.free.fr/misc.tarballs/temp/filterdialog_previewmod
> >e/previewmode.patch
> >
> > So please try the new behavior and tell me what you think!
>
> It will be better to :
>
> - change the checkbox to a toggle button.
> - move this button behind the preview area where all other preview
> mode buttons are. You optimize preview area space available.
> - for i18n, i recommend to not put tooltips/whatsthis for this button
> until 0.9.4 is out.
>
> Best
>
> Gilles Caulier
>
> > Andi
> >
> > On Thursday 10 July 2008 12:29:22 Andi Clemens wrote:
> >> Hi,
> >>
> >> I have added a new option to the filterdialogs: a "Preview" checkbox.
> >> Right now the filterdialog works as follows:
> >> Some filters take a lot of computation time, even in PreviewMode. For
> >> this, some of the filter dialogs have a "Try" button, where you can set
> >> your settings, zoom in, move the preview area around and watch the
> >> results by pressing the button.
> >> But somehow this is a strange way to use those filters. If you move the
> >> preview area for example, you have to hit "Try" all the time. Also when
> >> changing the preview mode, you have to hit the button. This looks like
> >> a "broken" dialog to me. When I'm in preview mode, I expect the preview
> >> to update automatically, not by hitting a button.
> >>
> >> So here is the new behavior:
> >> In normal mode, you can set your settings, zoom in and position the
> >> preview area where you like to have it. Then you can hit the "preview"
> >> checkbox like you would with the "Try" button. The difference is that
> >> now every change in the filter settings will affect the preview, like
> >> hitting "Try" all the time. I think this behavior is much more natural
> >> and is also used in Photoshop or Gimp.
> >>
> >> Unfortunately i18n is frozen, so this change (if accepted) will never
> >> hit the KDE3 version of digiKam...
> >>
> >> I'll provide a patch here, it fixes the filterdialog behavior in
> >> general. Additionally the sharpen filter will be fixed with the patch,
> >> too. So you can actually use one filter with the new behavior.
> >>
> >> patch:
> >> http://digikam3rdparty.free.fr/misc.tarballs/temp/filterdialog_previewmo
> >>de/ previewmode(%20+%20sharpenfilter).patch
> >>
> >> demo video:
> >> http://digikam3rdparty.free.fr/misc.tarballs/temp/filterdialog_previewmo
> >>de/ filterdialog_preview.mpg
> >>
> >> What do you think? For me it is a usability improvement, maybe we can
> >> use it in further digiKam releases?
> >>
> >> The preview checkbox can be placed elsewhere of course if this is no
> >> good place...
> >> Also the preview mode buttons can be disabled if checkbox is not set, so
> >> it is visually clear to the user that the normal view mode will not
> >> affect anything.
> >>
> >> Andi
> >
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> > Digikam-devel at kde.org
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