i need to know how to add a transparent background to an image (an
existing image). would like the new image to be saved as PNG. and i
need to shrink variable sized images down to 40x40 pixels. what is
best way to shrink so the final quality is still good? asked in #gimp
and #gimp-users but everyone asleep it seems

zach


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Zach escribió:
> i need to know how to add a transparent background to an image (an
> existing image). would like the new image to be saved as PNG. and i
> need to shrink variable sized images down to 40x40 pixels. what is
> best way to shrink so the final quality is still good? asked in #gimp
> and #gimp-users but everyone asleep it seems
The "cubic" method is the best to resize images (even the gimp tell you
so). If the actual background is white you can select this color and
then remove it so you will get a transparent image.

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Zach escribe:
> i need to know how to add a transparent background to an image (an
> existing image). would like the new image to be saved as PNG. and i
> need to shrink variable sized images down to 40x40 pixels. what is
> best way to shrink so the final quality is still good? asked in #gimp
> and #gimp-users but everyone asleep it seems

If you mean removing a solid background color and turning it into
transparency, there's a "Color to Alpha" plug-in that does it.

Shrinking in indexed color mode sure will kill image's quality. Do it
in RGB mode and turn to indexed as a last step when saving to PNG.

Cordially, Ismael
--
Ismael Valladolid Torres m. +34679156321
La media hostia j. ivalladt@gmail.com

http://lamediahostia.blogspot.com/

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