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Resizing .gif loses transparency when using contextual menu

Posted: Wed Dec 05, 2012 9:03 am
by Patrice CHASSAING
Hello,

I'm trying to resize some .gif but the transformation loses the transparency.

This happens when :
- I use XnView shorcuts in Windows(Vista) explorer
- I select "Convert ..."
- In the prompt, i choose GIF and Resize at 68x68%

it seems to be good when I use XnView GUI ...

THX.

PS: It's like that we can't add images in body :)

Re: Resizing .gif loses transparency when using contextual m

Posted: Sat Dec 15, 2012 12:46 am
by Drahken
It's most likely that the other methods are using a resizing filter (lanczos, etc) while you're only using nearest neighbor within xnview itself. Any filter other than nearest neighbor actually redraws the image (to make it look smoother & nicer), but this destroys transparency.

On the processing dialog, go into "resize" then look at the "resample" dropdown and make sure it's set to nearest neighbor.