[NTG-pdftex] [pdftex-Bugs][4326] pdf image changes colour on inclusion

pdftex-bugs at sarovar.org pdftex-bugs at sarovar.org
Fri Jan 28 13:27:00 CET 2011


Bugs item #4326, was opened at 2011-01-28 12:27
Status: Open
Priority: 3
Submitted By: Matthis Thorade (thorade)
Assigned to: Nobody (None)
Summary: pdf image changes colour on inclusion 
Category: PDF inclusion
Group: v1.40.8
Resolution: None


Initial Comment:
Hi,
my problem is more or less identical to #741 (filed in 2007) but the problem persists in 2011, at least for me. As almost four years have passed since and all programs involved are now available as newer versions, I filed a new issue.

Steps to reproduce:
 - Create input.svg with Inkscape 0.48
 - Create input.pdf with "inkscape.exe --file="input.svg" --export-area-drawing --export-dpi=360 --export-pdf="input.pdf" "
 - Include input.pdf into some LaTeX document
 - Compile using pdflatex 1.40.11 from stable MiKTeX 2.9 on Win7 64bit
 - Open output.pdf and input.pdf with Adobe Reader X 
 - Color in output.pdf is darker and less bright

I searched google and found some (maybe) related posts:
http://www.mrunix.de/forums/showthread.php?t=62241
http://www.latex-community.org/forum/viewtopic.php?f=5&t=2429
http://texblog.net/latex-archive/graphics/adobe-reader-wrong-color/

One suggested solution was to use a different pdf-Viewer.
Using gsview or Evince the colors in output.pdf look fine; but if input.pdf and output.pdf look different in Adobe Reader X, then the only explanation I see is that pdfTeX changed something !? 
(And I won't try to persuade my Prof to use GSview...)

Antoher suggested soultion (at least for png files) was to change the color mode from RGB to an indexed palette, but I have not yet tried this.

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