[Qt-interest] Qt-interest Digest, Vol 18, Issue 70

[Ross Driedger]

On 7-May-10, at 7:17 AM, qt-interest-request at trolltech.com wrote:

> Message: 2
> Date: Fri, 7 May 2010 15:51:59 +0530
> From: amulya rattan <talk2amulya at gmail.com>
> Subject: [Qt-interest] QFontMetrics question
> To: "qt-interest at trolltech.com" <Qt-interest at trolltech.com>
> Message-ID:
> 	<y2g82d45b421005070321p8bd3c31dj511b4332cd2a75e8 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi there,
>
> A query regarding QFontMetrics and which api to use for calculating  
> size of
> a QString. The size is then used to create an svg out of text string.
> However I am not sure whether to go with width() or boundingRect().  
> In the
> attached example, I have used both functions, once with whole string  
> and
> once finding whole width as sum of widths of characters in the  
> string. Using
> width(), both times(just string and sum of chars in string), the  
> result was
> same(206). However, using boundingRect(), the results are different:
>
> 1. with whole string : 206(similar to results with width())
> 2. as sum of char width in string : 150!
>
> Can someone tell me why such a difference is there and which api  
> should i
> use if i want to create an svg out of this string?
> Appreciate any response.

In my work, I don't use svg, but I do have some precision work with  
characters.  boundingRect() is my tool of chose and it works well for  
me.

"Two things are infinite: the universe and human stupidity; and I'm  
not sure about the the universe."
Albert Einstein

Ross Driedger
ross (at ) earz (dot) ca



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