If the data is 3 component then you need a 3 component profile.  You can't
use a 4 component profile.

The PNG appears to be just fine.  Did you put that profile in there??

Leonard

On 9/20/11 6:07 PM, "qqzx2kp" <[email protected]> wrote:

>Hello Leonard,
>
>I attached the PNG in my original post. Here it is again along with the
>PDF:
>
>http://itext-general.2136553.n4.nabble.com/file/n3828300/image-pdf.zip
>image-pdf.zip 
>
>I didn't say that the image has 4 component data (is this even possible in
>PNG?). The data is 3 component RGB, but the embedded ICC profile uses a
>CMYK
>color space.
>
>As I said, I'm no expert - but it seems to me that the rendering software
>shouldn't simply assume that the profile is compatible. It should check,
>and
>use a sensible fallback if there is a problem. Couldn't the image be
>rendered as if there were no profile?
>
>Anyway, I don't want to get diverted into issues of software quality.
>Since
>neither Reader nor Acrobat give me any useful diagnostic information, I'm
>just looking for some way to confirm that the image is invalid, and a way
>to
>detect such images in future so I can exclude them.
>
>
>Leonard Rosenthol-3 wrote:
>> 
>> If the image data is based on a 4 component colorspace (CMYK), HOW COULD
>> YOU "fall back" to a 3 component colorspace (RGB)?  You can't just throw
>> one of the components out - and if you did, you'd get a VERY WEIRD
>>colored
>> image.
>> 
>> As to your problem, we'd need to see the PDF and/or the PNG in
>>question...
>> 
>> Leonard
>> 
>
>
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>
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------------------------------------------------------------------------------
All the data continuously generated in your IT infrastructure contains a
definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
http://p.sf.net/sfu/splunk-d2dcopy1
_______________________________________________
iText-questions mailing list
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iText(R) is a registered trademark of 1T3XT BVBA.
Many questions posted to this list can (and will) be answered with a reference 
to the iText book: http://www.itextpdf.com/book/
Please check the keywords list before you ask for examples: 
http://itextpdf.com/themes/keywords.php

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