[Qt-interest] text dimensions ?

[Martin Schröer]

Yes, that's where i'm coming from.
Tested that, but that one simply ignored the text dimensions.

Martin

ygor at comcast.net schrieb:
> Have you considered 
>
> void QPainter::drawText ( const QRect(F) & rectangle, int flags, const QString & text, QRect(F) * boundingRect = 0 ) 
>
> ?
>
> <http://doc.trolltech.com/4.5/qpainter.html#drawText-10>
> <http://doc.trolltech.com/4.5/qpainter.html#drawText-11>
>
> ----- Original Message -----
> From: Martin Schröer <gordon at gordonswelt.de>
> To: QT Interest List <qt-interest at trolltech.com>
> Sent: Tue, 17 Mar 2009 15:24:42 +0000 (UTC)
> Subject: Re: [Qt-interest] text dimensions ?
>
> Well, okey. I thought of this approach myself but discarded it for being 
> ... dirty.
> No better way of achieving it ?
>
> Anyway, before i forget:
> Thank you Jesus, for your very quick reply !
>
> Martin
>
> Jesús Fernández schrieb:
>   
>> So, you need to try diferent dimesions and stop at the maximum size:
>>
>> /For example/
>> void GraphicsShapeItem::resized()
>> {
>>     QRectF r=boundingRect();
>>     QFont font;
>>     QFontMetrics fontMetrics;
>>     QString text=tr("Sample text");
>>     int height, width;
>>
>>     do {
>>         font.setPointSize(font.pointSize()+1);
>>         fontMetrics=QFontMetrics(font);
>>         height=fontMetrics.height();
>>         width=fontMetrics.width(text);
>>     }while(r.width>width && r.height>height);
>> }
>>
>> On Tue, Mar 17, 2009 at 4:06 PM, Martin Schröer <gordon at gordonswelt.de 
>> <mailto:gordon at gordonswelt.de>> wrote:
>>
>>     Yes, this is nice - but only for the 'to' direction.
>>     What if i have a rectangle in which i want to render a text given ?
>>     How to find out what font size to use ?
>>
>>
>>     Martin
>>
>>     Jesús Fernández schrieb:
>>     > Read this:
>>     >
>>     > http://doc.trolltech.com/4.5/qfontmetrics.html
>>     >
>>     > Regards
>>     >
>>     > On Tue, Mar 17, 2009 at 3:50 PM, Martin Schröer
>>     <gordon at gordonswelt.de <mailto:gordon at gordonswelt.de>
>>     > <mailto:gordon at gordonswelt.de <mailto:gordon at gordonswelt.de>>>
>>     wrote:
>>     >
>>     >     Hi list.
>>     >
>>     >     I have to drawText on a GraphicsScene.
>>     >     Does anybody know a good practice to do this, considering the
>>     >     [dynamic]
>>     >     size of the text given to be drawn ?
>>     >     I want to have the text fill a certain area in original
>>     scale, plus
>>     >     having it resize along with the whole scene,
>>     >     so e.g. it always fills the same region within the scene.
>>     >
>>     >     Like giving a text 'rate this scene 'scary'', being always shown
>>     >     in the
>>     >     bottom right corner of the scene
>>     >     within a region that is scene.width() /4, scene.height() /4.
>>     >
>>     >     I don't have troubles getting the size of a bounding rect
>>     for doing
>>     >     that, what gives me headaches is
>>     >     how to find out which size the text has or has to have,
>>     still being
>>     >     drawn in aspect when the scene
>>     >     dimensions changes.
>>     >
>>     >     Any help, as always, highly appreciated.
>>     >
>>     >     Martin
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