February 2006
Intermediate to advanced
826 pages
63h 42m
English
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Color Palette
Animated GIFs, like static GIF files, use a list of up to 256 colors that can be used in the image. They can have multiple palettes (one for each frame) or one global palette. The palette choice affects how well the images appear on the inevitable variety of systems and monitor setups.
One problem with using multiple, frame-specific palettes is that they can cause a flashing effect on some early versions of Navigator (it cannot load the frames and their respective palettes in sync). In any case, multiple palettes dramatically increase file size. It is recommended you use one global palette for the whole animation. GIFMation and Ulead GIF Animator allow you to create a customized global palette. In fact, any image editor can be used to create a global palette. Just place all images to be used in one document, and then index the document. The resulting palette will be a global palette for the entire animation.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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