[SDL] Re: SDL_Image export image capability?

Bob Pendleton bob at pendleton.com
Fri Jan 21 13:55:41 PST 2005


On Tue, 2005-01-18 at 22:25 +0000, Damian wrote:
> Bill Kendrick <nbs <at> sonic.net> writes:
> 
> > > Are there any plans to enhance SDL_Image to save images to disk?
> > 
> > Probably not in SDL_Image, because it would add a bloat
> > (small amount, at least), that most people wouldn't take advantage of.
> 
> I don't see why not. The neccessary libraries (libjpeg/libpng) are already used 
> by SDL_Image to load those formats, and the actual saving routine (using 
> libpng) is fairly short. 
> Besides, there's plenty of stuff in all the SDL libraries that i don't use, but 
> you take it all if you want a part.
>  
> > > It would be really useful if it could save PNG (and possibly JPEG
> > > and BMP, but mostly PNG) from a surface or specified memory location
> > > or something like that.
> > 
> > I wrote a function in Tux Paint to export to PNG, using the libPNG functions.
> > It wasn't very hard, I just followed the libPNG instructions. ;)
> 
> Same here. It wasn't that hard, although i haven't fully got it working yet - i 
> think the problem is the format i'm reading the SDL_Surface information in.
> Its just that it would be clear, more portable and undoubtably more efficient 
> if it were a part of the library rather than a hack by the user. 
> 
> (Please Sam, make my day! Add png writing. You know you want to! ;) )

Why not add it yourself and submit a patch to Sam?

			Bob Pendleton

> 
> Regards
> 
> 
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