[Kde-imaging] [Bug 264075] New: Usability issues in batch resizing dialog

[Juan Palacios]

https://bugs.kde.org/show_bug.cgi?id=264075

           Summary: Usability issues in batch resizing dialog
           Product: kipiplugins
           Version: unspecified
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: BatchProcessImages
        AssignedTo: kde-imaging at kde.org
        ReportedBy: jpalaciosdev at gmail.com


Version:           unspecified (using KDE 4.4.5) 
OS:                Linux

Currently there are several usability issues in the batch resizing dialog that
makes it hard to use or, at least, with an aparent undefined behavior if you
don't know how this pluggin works when resizing a bunch of diferent sized
images (the last happens with the Proportional (1 and 2 dimensions) resizing).

Proportional (1 dim.)
---------------------
The size settings are ambiguous. You don't know if the supplied value will
affect to the width or the height. Actually, this setting affects to the higher
value of the image resolution. P. e.: if we have two groups of images mixed
(230x480 and 720x420), the value of this setting will affect to the height in
the first group and the width in the second.

Proportional (2 dim.)
---------------------
The size settings are confusing. The width and the height values supplied here
affect to the images as in the Proportional (1 dim.) case, but in this case the
first group will be affected by the height value, and the second group by the
width value.

So, what if the user only just wants to resize all images width to an specific
value? It's hard to figure how, but he must use the Proportional (2 dim)
settings an use for the width the wanted value and for the height a very high
value (something like 10000).

Suggestion: Mix the Proportional (1 dim.) and Proportional (2 dim.) settings in
one: Proportional.
The dialog layout can be something like this:

---------------------------------------------|
|                                            |
|             Size settings                  |
|                                            |
|  Adjust: <ComboBox> [1]                    |
|                                            |
|   Width: <SpinBox>  [2]                    |
|  Height: <SpinBox>  [2]                    |
|                                            |
|  <CheckBox> Fill image to specified size[3]|
|  Background color:  <ColorChooser>      [3]|
|                                            |
|                                            |
|             Quality settings               |
|  ...                                       |
|                           Accept   Cancel  |
|--------------------------------------------|

[1] Items: 'Width', 'Height', 'Width or height (higher value)', 'Width and
height'.
[2] The spin boxes should be enabled or disabled based of the item selected on
the combobox:
         - W (enabled) H (disabled) for item 'Width'.
         - W (disabled) H (enabled) for item 'Height'.
         - W (enabled) H (enabled) for items 'Width or height (higher value)',
and 'Width and height'.
[3] This items should be enabled only when the item 'Width and height' of the
combo box is selected.

Start button disappears when resizing is done
--------------------------------------------
This is an annoying issue, specially because you can set a new configuration,
add more files, etc. but you can't start again the process. You must reopen the
dialog again a configure de settings.

Suggestion: don't hidden the start button (best way) or close the dialog
automatically when the batch is done.

Reproducible: Always

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