Note that the images use compression internally. If the image loader
selected by FOP to process your image is the default ImageIO one (i.e.,
not a native FOP image loader) the image will be uncompressed. If then
you turn off PDF stream compression, then yes, you should end up with a
much larger file.
Maybe you can explain why you do not want compression?
On 1/28/14, 1:10 PM, Valentina Cupac wrote:
Thanks!
I wasn't exactly sure what should be configured in the pdf rendering
settings. (The goal is to have no compression applied to tiff images
which are included in pdf output), so I tried some possible changes,
listed below.
My raw images are about 200KB.
The generated pdf file (images - tiff, png + a bit of text) is 3MB.
The good thing is that now the images are not compressed (I'm assuming
that occurs since the pdf is now larger, the effect comes from here:
<filterList type="image"><value>null</value></filterList>
However, the interesting part is that the pdf file is now much larger
than the size of the original images. Is this an expected effect?
=== Current configuration ===
<renderer mime="application/pdf">
<filterList>
<!-- provides compression using zlib flate (default is on) -->
<value>flate</value>
<!-- encodes binary data into printable ascii characters
(default off)
This provides about a 4:5 expansion of data size -->
<!-- <value>ascii-85</value> -->
<!-- encodes binary data with hex representation (default off)
This filter is not recommended as it doubles the data
size -->
<!-- <value>ascii-hex</value> -->
</filterList>
=== ATTEMPTED CONFIGURATION ===
<renderer mime="application/pdf">
<filterList> <value>flate</value> </filterList> <filterList
type="image"> <value>null</value> </filterList>
Could you let me know if there are any other settings I could try
2014-01-28 Registar Man <szea...@gmail.com <mailto:szea...@gmail.com>>
Hi!
The image/tiff renderer configuration settings only works when you
generate tiff output not pdf.
For PDF rendering settings you must configure in the pdf renderer
section.
Bye, Csaba
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