February 2006
Intermediate to advanced
826 pages
63h 42m
English
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Work in RGB Mode
When you are creating graphics for the Web, it is important to work in the RGB color mode. CMYK mode, although common to the print world, is not appropriate for web graphics . JPEGs in CMYK mode may not display at all in some browsers.
If you work in Adobe Photoshop/ImageReady or Fireworks, it is easy to create and save an RGB original while merely exporting compressed JPEGs and indexed color GIFs or PNGs using the Save to Web or Export feature.
If you need to make an adjustment to an existing GIF, you should convert the color mode back to RGB before editing. This allows colors to be added from the full RGB spectrum to create blends and smooth text edges. If you work in index color mode, you will be limited to the colors in that GIF’s index color palette (which may only be a handful of pixel colors).
The only exceptions to this rule are black and white images , which you can edit in grayscale mode.
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.