Re: [Tuxmath-devel] Prerendered PNG cache for SVG sprites

[Wenyuan G. <guo...@gm...>]

Hi Brendan,

Actually, only SVG based sprites are cached in PNGs. If the sprites are
loaded from PNGs, they are not affected at all. Cheers!

Wenyuan

On Thu, Jun 10, 2010 at 1:04 PM, Brendan Luchen <bm...@ri...> wrote:

> Hey Wenyuan,
>
> > I have updated our Git repository, master branch with an improved version
> of
> > SVG sprite loader. It caches prerendered PNG versions of SVG sprites on
> > harddisk, and I'm happy to report that it greatly improves the initial
> > loading time as well as delay in switching between fullscreen and
> windowed
> > mode in-game!
>
> Cool! It looks like the image is always saved out to PNG, even if it
> was just loaded from the same PNG file--is that correct? Might want to
> do the save only if we just loaded from SVG.
>
> > to my surprise, tuxpaint has a function to save
> > SDL surfaces into PNG format! So in my implementation I have "borrowed"
> that
> > function (after modifying it a bit to support alpha channel) and
> > everything's fine :D! Maybe that part can eventually to be factored out
> in
> > the common?
>
> Yes, I think that would be a good idea.
>
> Cheers,
> Brendan
>