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Date: Wed, 5 Sep 2012 06:17:07 +1100 (NCT)
From: "Damjan Jovanovic (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
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Subject: [jira] [Resolved] (IMAGING-89) Detect the YCCK color space/type
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     [ https://issues.apache.org/jira/browse/IMAGING-89?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Damjan Jovanovic resolved IMAGING-89.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.0

I've just committed a fix for this to the latest SVN. Imaging.getImageInfo() will now distinguish the YCCK colorspace based on the App14 segment.

Resolving fixed.

                
> Detect the YCCK color space/type
> --------------------------------
>
>                 Key: IMAGING-89
>                 URL: https://issues.apache.org/jira/browse/IMAGING-89
>             Project: Commons Imaging
>          Issue Type: New Feature
>          Components: Format: JPEG
>    Affects Versions: 1.x
>            Reporter: Arthur Bogaart
>            Priority: Minor
>             Fix For: 1.0
>
>         Attachments: test-YCCK.jpg
>
>
> I use Sanselan/CommonsImaging to detect if uploaded images are in the RGB color space, and if not convert them to RGB.
> Currently, CI marks jpg images in the YCCK color space as CMYK:
> ImageInfo info = Imaging.getImageInfo(is, "YCCK.jpg");
> info.getColorType() == ImageInfo.COLOR_TYPE_CMYK
> So I have to do a custom check afterwards to differ between YCCK and CMYK.
> I use the following to do this:
> import com.drew.imaging.jpeg.JpegSegmentReader;
> JpegSegmentReader reader = new JpegSegmentReader(is);
> byte[] appe = reader.readSegment(JpegSegmentReader.SEGMENT_APPE);
> bool isYCCK = appe != null && appe[11] == 2;
> Would it be possible to incorporate this into CommonsImaging?

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