Uploading transparent GIFs
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I use $imgHelper->getThumbnail to resize logos getting pulled into a page list custom template. I've noticed that when I upload a gif logo with a transparent background, once getThumbnail processes it, the file has a bunch of small white dots in the transparent areas. Has anyone else experienced this, or have a workaround?
Gif's are old school. Use transparent png's instead.
I believe the main issue is that GIF's do not do well with transparency unless it is a hard edge. Resizing will introduce artifacts which will be interpreted as non-transparent areas.
PNG handles transparency much better. I'd try using that format instead.
PNG handles transparency much better. I'd try using that format instead.