create jpeg lossless file

Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
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Post by glennrp »

Look in the delegates directory at

JPEG lossless patch (apply to IJG JPEG library sources)


Why do you want to write lossless JPEG files? Almost no one can read them.