Comment 0 for bug 169985

Attached is a plugin for slicing images.

Here's the process I've used for slicing web layout with Inkscape. Create
your webpage layout (set page units to "px", width/height appropriately and
snap to 1 pixel intervals. This should allow pixel perfect alignment). Then
create a new layer, naming it slices. Draw rectangles over the areas you
want to slice (set x,y,width,height to whole pixel values). Name these
rectangles using the Object Properties found in the right click contextual
menu (the saved images name will be based on that value, so name them
something like "header" instead of the default/non-useful "rect4312").

What the plugin then does is iterate over all of the rectangle definitions
found in the slice layer and set the opacity of the slice rectangle to 0.
(That allows you to make slightly transparent slices, which are easier to
deal with than invisible ones) It then creates pngs for every slice. After
completing the slicing, it then sets all the slice rectangles to red at 25%
opacity. To continue working on your design without having to deal with the
slices being selected, just "lock" the slice layer and your clicks should
fall through. You can also click the "eye" on the slice layer to not view
it.