josch/img2pdf
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README.md
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== img2pdf == img2pdf
=======
Lossless conversion of images to PDF without unnecessarily re-encoding JPEG Lossless conversion of images to PDF without unnecessarily re-encoding JPEG
files. Thus, no loss of quality and no unnecessary large output file. files. Thus, no loss of quality and no unnecessary large output file.
background
----------
PDF is able to embed JPEG images as they are without re-encoding them (and PDF is able to embed JPEG images as they are without re-encoding them (and
hence loosing quality) but I was missing a tool to do this automatically, thus hence loosing quality) but I was missing a tool to do this automatically, thus
I wrote this piece of python code. I wrote this piece of python code.
@ -11,6 +15,9 @@ If you know how to embed JPEG images into a PDF container without
recompression, using existing tools, please contact me so that I can put this recompression, using existing tools, please contact me so that I can put this
code into the garbage bin :D code into the garbage bin :D
functionality
-------------
The program will take image filenames from commandline arguments and output a The program will take image filenames from commandline arguments and output a
PDF file with them embedded into it. If the input image is a JPEG file, it will PDF file with them embedded into it. If the input image is a JPEG file, it will
be included as-is without any processing. If it is in any other format, the be included as-is without any processing. If it is in any other format, the
@ -33,6 +40,9 @@ image is given, losslessly embed JPEGs into a PDF container without adding more
overhead than the PDF structure itself and will save all other graphics formats overhead than the PDF structure itself and will save all other graphics formats
using lossless zip-compression. using lossless zip-compression.
bugs
----
If you find a JPEG that, when embedded can not be read by the Adobe Acrobat If you find a JPEG that, when embedded can not be read by the Adobe Acrobat
Reader, please contact me. Reader, please contact me.