Quote:
Originally Posted by rjnagle
Do these differences come out for graphics/illustrations that appear within an ebook?
Also, I'm still confused about mobipocket's support of jpgs. Their forum said that 64K is the maximum size, and that jpeg support must be manually checked on the Creator program for it to work. the cybook people said that they did support the hirsc attribute.
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See
Images in MobiPocket. Post #16 is the most relevant, and includes a link to a previous thread on a similar topic.
The vast majority of existing MOBI books have GIF images, and the typical color image reaches 64KB using GIF at a very small size (perhaps 300x300). So MOBI books have small images (smaller than other formats). This has nothing to do with the "hisrc" tag, which is still limited to 64KB per image. If you produce your own MOBI books using JPEG images, this problem largely goes away. For example, rather than using the original MOBI version, I download the DRM-free LIT version of multi-format e-books that include illustrations and then convert them to MOBI using ConvertLIT and mobigen.exe (-jpeg) to get larger images.