[SDL] fast image loading

[Ulrich Eckhardt]

On Sunday 22 July 2007 03:59:25 Jacek Poplawski wrote:
> Loading jpeg image by SDL_Image is very slow.
> Applications like gqview can display image much faster.
> I was browsing both SDL_Image and gqview code, then I tried to learn how to
> use raw jpeglib.
> I was able to disable "high quality" settings (which SDL_Image has
> hardcoded), but still speed was not good.
> Is there a way to load image in lower resolution, like most photo browsing
> applications do?

Some ideas:
- Preloading next and previous picture, so they are already present when 
needed or other caching strategies.
- Generate thumbnails in advance.
- Load images in a background thread, so the application stays responsive and 
delays don't hurt.

> Do you know any SDL-based library which can do it?

No.

Uli