peterrietzler

If width \* height > 3 \* 1024 \* 1024, then split the sprite into multiple files. See, e.g. section "Know iOS Resource Limits" here: http://developer.apple.com/library/safari/#documentation/AppleApplications/Reference/SafariWebContent/CreatingContentforSafarioniPhone/CreatingContentforSafarioniPhone.html

If the generated sprite would have an odd width or height, then add transparent pixels to width or height, so that images can always be downscaled properly without losing "parts...