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From "Marco Wagner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IMAGING-188) ICNS Image Parser: Support for large Icons (ic07, ic08, ic09, ic10 [128px, 256px, 512px, 1024px]) and JPEG 2000
Date Thu, 07 Dec 2017 15:29:00 GMT

     [ https://issues.apache.org/jira/browse/IMAGING-188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marco Wagner updated IMAGING-188:
---------------------------------
    Description: 
I needed larger icons of icns files, so I edited the source code. 

See Pull Request.

https://en.wikipedia.org/wiki/Apple_Icon_Image_format

  was:
I needed larger icons of icns files, than currently extracted with the Apache Commons Imaging
ICNS Image Parser/ICNS Decoder.

So I edited the Source Code:

In case an icns element is a PNG (depends on 0-4th byte [header]), 
the bytes can be put in a ByteArrayInputStream and then read by ImageIO.read, that returns
the BufferedImage needed.
Then it can be added to the list of List<BufferedImage> in IcnsDecoder#decodeAllImages().

InputStream in = new ByteArrayInputStream(imageData);       
BufferedImage image =  ImageIO.read(in);

To the enum IcnsType I added:
ICNS_256x256_32BIT_ARGB_IMAGE("ic08", 256, 256, 32, false),
ICNS_512x512_32BIT_ARGB_IMAGE("ic09", 512, 512, 32, false),
ICNS_1024x1024_32BIT_ARGB_IMAGE("ic10", 1024, 1024, 32, false);

https://en.wikipedia.org/wiki/Apple_Icon_Image_format

No need for Rle24Compression.decompress() or decode32BPPImage().

I can upload the code somewhere, please tell me how to do.


> ICNS Image Parser: Support for large Icons (ic07, ic08, ic09, ic10 [128px, 256px, 512px,
1024px]) and JPEG 2000
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: IMAGING-188
>                 URL: https://issues.apache.org/jira/browse/IMAGING-188
>             Project: Commons Imaging
>          Issue Type: New Feature
>    Affects Versions: 1.0
>         Environment: OS X
>            Reporter: Marco Wagner
>
> I needed larger icons of icns files, so I edited the source code. 
> See Pull Request.
> https://en.wikipedia.org/wiki/Apple_Icon_Image_format



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