BUG? Most likely in user not code ... or help with a gif

I'm starting to put together some of the highlighting palettes I use. However, one graphic behaves strangely only in Logos. In system preview views and on the web, it has a white background. In Logos 4 it has a black background. What sort of error should I be looking for? Graphics are not my strength.

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Rosie Perera

Where did you get those graphics? Could you post the file missing.gif here and I'll take a look at it.

MJ. Smith

https://community.logos.com/discussion/comment/116538#Comment_116538

Where did you get those graphics?

http://www.kolel.org/torahstory/module3/page3.html

Thank you. I really do want to know what makes this misbehave. I know I could use Snagit to make a png but I wouldn't learn anything7026.missing gif.zip.

Rosie Perera

https://community.logos.com/discussion/comment/116544#Comment_116544

Where did you get those graphics?

http://www.kolel.org/torahstory/module3/page3.html

Thank you. I really do want to know what makes this misbehave. I know I could use Snagit to make a png but I wouldn't learn anything7026.missing gif.zip.

That gif differs from the other ones on the website in that its background is transparent. I've made a new version of it for you with a white background like the rest of them: 0841.fixed-missing.zip

The question remains why Logos puts a black background behind a transparent gif? I tried creating another gif with a transparent background from scratch, and Logos didn't do that with mine (in the RGB color test I did, it kept a transparent background and showed the gray background through; in the grayscale test, it showed a white background, and I'm not sure why). So there must be something weird about this particular gif that goes beyond my knowledge of graphics.

MJ. Smith

https://community.logos.com/discussion/comment/116553#Comment_116553

Thank you. Next time I'll have a clue as to what to look for.

Mark Barnes

https://community.logos.com/discussion/comment/116586#Comment_116586

With GIFs you can nominate one of the colours to be treated as transparent. An application that ignores transparency will therefore show a different background colour for different graphics, depending on which colour was nominated in each case.

That said, Logos only ignores GIF transparency in the highlight itself, not the the "edit highlight" screen. There seems to be an additional issue (bug?) with this particular GIF. Even Photoshop doesn't handle it entirely accurately.