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

[Brendan L. <bm...@ri...>]

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