Q: profile text outlines

Tomaz Canabrava tcanabrava at kde.org
Fri Jun 28 05:43:06 PDT 2013

On Fri, Jun 28, 2013 at 9:34 AM, Lubomir I. Ivanov <neolit123 at gmail.com> wrote:
> On 28 June 2013 15:27, Tomaz Canabrava <tcanabrava at kde.org> wrote:
>> On Fri, Jun 28, 2013 at 9:11 AM, Lubomir I. Ivanov <neolit123 at gmail.com> wrote:
>>> in cairo we had text outlines such as a slight white glow, which
>>> prevented blending with colored background items such as plot lines.
>>> we also had the that when printing a colored or b/w profile. now, i've
>>> tried to do the same with QGraphicsSimpleTextItem::setPen() (ref.
>>> ProfileGraphicsView::plot_text) but the problem is that the outline is
>>> positioned on top of the text fill and it does not look that good as
>>> it decreases the size of the fill. to my knowledge it's not possible
>>> to position the outline _below_ the fill or start the outline
>>> _outside_ of the fill instead of strictly on top of it i.e. centered?
>>> as an alternative, i've tried using QPainterPath::addText,
>>> QPainterPathStroker (which does what is described above) and making
>>> ProfileGraphicsView::plot_text use QGraphicsPathItem instead, but this
>>> ends to no avail as i cannot understand how to paint said items then.
>>> does anyone has suggestions on this topic?
>> to plot anything on a QGraphicsView, you need to:
>> 1 - position it on the scene, using scene coordinates
>> item->setPos(  10, 20);
>> 2 - put the item on the canvas
>> scene()->addItem ( myPathItem );
> i think i'm aware of that, but the problem is particular to the text
> outlining relative to style.
> we need the white outline to start outside of the text fill or be
> bellow it, so that it doesn't cover portions of it.

lubomir, I don't know too - sorry,
I searched a bit http://qt-project.org/forums/viewthread/1321
but I usually used QGraphicsSimpleTextItem with outlines and didn't
got problems with it.
what's the problem with that aproach?

> lubomir
> --

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