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List:       kde-kimageshop
Subject:    selection handling plan
From:       Boudewijn Rempt <boud () valdyas ! org>
Date:       2011-05-24 12:49:30
Message-ID: 201105241449.30767.boud () valdyas ! org
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Here are my notes for the selection handling plan:

SELECTION PLAN

Big Refactors:

1) Remove KisSelection from KisImage; make default selection = selection \
mask on root group layer. The rool layer selection mask is the default \
selection for selection actions. 2) Separate pixel and vector selection \
into a pixel selection mask and vector selection mask 3) Re-enable mask \
visualisation: show both by default? Buttons in statusbar to switch \
visualisation on/off

Consequences of 1:

 * rename "local selection" to "selection mask"
 * create method to merge two masks together (idea: d&d with confirmation \
                by dropping nodes on top of each other)
 * show rootlayer? (if so, fix bugs when d&d root layer)
 * display group layer selection masks always directly under the group \
layer, not mixed with the paint layers -- maybe separate hierarchy, or as \
                icons on the group layer layerbox item?)
 * deactivate gui options to d&d move and delete the layer when the active \
                layer is the group layer
 * the most local group's selection mask is the current selection, \
selection masks on groups are not active in a "merged" way

Consequences of 2:

 * make selection masks use grayscale colorspace instead of alpha
 * remove selection tools from toolbox; always paint on selection with the \
                main tools
    * consequence: add a button on the top toolbar next to erase button to \
enable selection mode: when pressed, the paint tools will create a new \
selection mask on the root layer, or paint  on the root layer's selection \
                mask if there's one.
 * allow to drag any shapes on vector selections
 

-- 
Boudewijn Rempt | http://www.valdyas.org, http://www.krita.org
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