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[Bug 484616] Re: Density information not present in bitmap formats

To: simple-scan-team@xxxxxxxxxxxxxxxxxxx
From: Robert Ancell <robert.ancell@xxxxxxxxxxxxx>
Date: Mon, 21 May 2012 23:09:01 -0000
Reply-to: Bug 484616 <484616@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

It's desirable to be fixed in gdk-pixbuf, but I'm open to patches to
access libpng / libjpeg / libtiff directly if that's the direction we
need to take.

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https://bugs.launchpad.net/bugs/484616

Title:
  Density information not present in bitmap formats

Status in Simple Scan:
  Triaged

Bug description:
  The pixel density information is not stored in JPEG and PNG formats.

  For JPEG:
  http://en.wikipedia.org/wiki/JPEG_File_Interchange_Format

  For PNG:
  http://www.libpng.org/pub/png/spec/iso/index-object.html#11pHYs

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