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https://issues.apache.org/jira/browse/SANSELAN-37?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Damjan Jovanovic resolved SANSELAN-37.
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Resolution: Duplicate
The part of the metadata that isn't copied correctly is the maker note.
Duplicate of SANSELAN-32.
> Wrinting unmodified EXIF-Data to new image changes values
> ---------------------------------------------------------
>
> Key: SANSELAN-37
> URL: https://issues.apache.org/jira/browse/SANSELAN-37
> Project: Commons Sanselan
> Issue Type: Bug
> Affects Versions: 0.94-incubator
> Environment: Canon Powershot A570 IS
> Reporter: FG
> Attachments: diff.txt, out.jpg, out.txt, src.txt, src1.jpg, src2.jpg
>
>
> I used the following code, which just reads the EXIF data from a picture of a
> Canon Powershot A570 IS and writes it back to another file without modifying
> it:
> File src1 = new File("c:/temp/src1.jpg");
> File src2 = new File("c:/temp/src2.jpg");
> File dst = new File("c:/temp/out.jpg");
> IImageMetadata metadata = Sanselan.getMetadata(src1);
> TiffImageMetadata exif = ((JpegImageMetadata) metadata).getExif();
> TiffOutputSet outputSet = exif.getOutputSet();
> OutputStream os = new BufferedOutputStream(new FileOutputStream(dst));
> new ExifRewriter().updateExifMetadataLossless(src2, os, outputSet);
> os.close();
> src1.jpg is a file with EXIF data
> src2.jpg is src1.jpg without EXIF data (saved it with IrfanView and unchecked
> the appropriate checkboxes in the Jpeg Save Dialog)
> out.jpg should contain the EXIF information after the code was run.
> Actually the EXIF data is not the same after the call.
> So, is there anything wrong with the above code or with the images or is
> this a bug in Sanselan?
> Tried the same with the image of a Sony Alpha 350. The effect was much less.
> I try to attach the images and exif data in the next step.
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