[Interest] QtSVG deprecated

[Pier Luigi]

2012/1/11 Uwe Rathmann <Uwe.Rathmann at tigertal.de>:
> On Wed, 11 Jan 2012 11:35:15 -0200, Thiago Macieira wrote:
>
>> A device with limited resources but powerful enough that rasterising SVG
>> on the fly isn't an issue?
>
> It is - but as our layouts are fix during the runtime of the application
> this only has to be done once. Later the icons are taken from a pixmap
> cache ( a further optimization could be to store the cache to disk ). So
> we only have the penalty of a worse startup time and when we show a page
> the first time.
>
> I have to admit, that we don't need difficult SVG stuff - only small
> icons/symbols, but they are many: > 1000 icons with about 60k lines XML
> code today ( see: http://www.fendt.com/int/
> tractors_fendtvariotronic_terminalsimulation.asp ).
>
> One idea I had was to "precompile" the SVG images on the PC to something
> QPicture can load. Unfortunately QPicture seems to be forgotten, when Qt4
> moved to a floating based rendering. It can't be scaled properly because
> the boundingRect is not accurate and in integers only.
>
> By the way: because of this limitation I started to implement a
> QPaintDevice in Qwt that is intended to have:
>
> - similar record/replay functionality like QPicture ( no save/load )
> - the scalability of QSVGRenderer
> - it can be copied around like QImage/QPixmap
>
>> So if you complain that WebKit is big, remember that it's big *because*
>> of SVG, not in spite of it.
>
> SVG is fine as it is something our designer team can create with their
> tools and QSvgRenderer is good enough to render ( I was not even aware,
> that it is so limited ). But if there would be any other type of vector
> graphic format ( even if proprietary ) it would be fine - or even better
> - too.

Have you ever eard of the Haiku Vector Icon Format [*]?
Seems best suited for icons than SVG.

[*] http://en.wikipedia.org/wiki/Haiku_Vector_Icon_Format

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