[SDL] scaling images
f91-men at nada.kth.se
Wed Jun 21 13:41:01 PDT 2000
>ok, i'm finding there's no SDL support for scaling surfaces.
>i'm needing this, and i figure if i'm gonna do it, i might as
>well do it right and make it work for all SDL.
>pretty basic, i would include a set of standard filters
>(closest, linear, cubic, and maybe some others...)
SDL_SoftStretch only seems to use nearest-neighbour interpolation, and
I agree that it should be a parameter. I don't know what other methods
of interpolation (besides that, bilinear, and bicubic) you had in mind.
>* i'm pretty sure directdraw supports hardware scaling
>how is this best handled? adding a "hardware" filter
>type would be my best guess
Can't sdl decide to use hardware acceleration directly if it is faster?
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