----------------------------------------
> From: psoa...@glintt.com
> To: itext-questions@lists.sourceforge.net
> Date: Mon, 31 May 2010 11:21:30 +0100
> Subject: Re: [iText-questions] getDpiX, Y returns 0 or wrong value but
> WinExplorer and Acrobate get Dpi
>
> Why do you think iText is wrong? Post the images for inspection.
>
> Paulo
>
> -----Original Message-----
> From: dermoritz [mailto:tantea...@hotmail.com]
> Sent: Monday, May 31, 2010 11:17 AM
> To: itext-questions@lists.sourceforge.net
> Subject: [iText-questions] getDpiX, Y returns 0 or wrong value but
> WinExplorer and Acrobate get Dpi
>
>
> i have some Problems with image.getDpiX/Y (iText 5.0.2) on some Images. This
> Images come from different digital camaras and WinExplorer shows for all of
> the 240dpi. I rotated one of them 90° via the WindowsXP build in image
> viewer. For this rotated image getDpi returns 96dpi! But still WinExplorer
> an Acrobat and MS-Office Picture Manager show 240dpi for all Images.
>
> So why iText cant't get correct dpi from them?
You could probably get something like imagemagick and use identify to
dump the metadata for the images that work and those that don't. I don't
know formats well enough to know what is posible but looking at stuff I have
from various phnes/cameras, it seems there is a resolution entry but also
something
called "Exif" thta contains more res info. I guess it is possible that some
images only
have it in a non standard but well known location.
>
>
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