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List:       koffice-devel
Subject:    text-on-shapes and EnhancedPathShape's text-areas attribute
From:       Marijn Kruisselbrink <m.kruisselbrink () student ! tue ! nl>
Date:       2010-09-20 13:28:13
Message-ID: 201009201528.13414.m.kruisselbrink () student ! tue ! nl
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Hi all,

Currently KoTextOnShapeContainer always creates a text shape that is the same 
size as the shape it is wrapping. However this is not always correct. For 
draw:enhanced-geometry type shapes (EnhancedPathShape) there could be a 
draw:text-areas attribute specified, which specifies where exactly on the 
shape the text area should be (with possible different text areas depending 
on style:writing-mode). This is used for example in shapes with rounded 
corners and things like that to have the text properly positioned inside the 
shape.
So somehow there would need to be some API for KoTextOnShapeContainer to 
figure out what area the textshape should have (or for EnhancedPathShape to 
tell KoTextOnShapeContainer this).
To make it even more complicated, if a user moves around one of the handles of 
an EnhancedPathShape, the text area can change, and thus somehow 
EnhancedPathShape will need to be able to notify KoTextOnShapeContainer about 
this change.

The first part of this problem could be solved by adding a virtual QRectF 
textArea() method to KoShape, although I'm not sure if that would be the best 
solution. The second part is a bit harder, and I don't really have any ideas 
at the moment how that could be best solved using the current 
KoTextOnShapeContainer design. If KoShape would be a QObject adding a signal 
to it for this purpose would work, but that's not really a nice solution (and 
KoShape is not a QObject, so it's not an option anyway).

So, anybody got suggestions on how to add this possibility to the current 
text-on-shape support?

Marijn
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