Image with per channel alpha (cdef) does not decode properly

[gcode-importer]

Originally reported on Google Code with ID 414

./bin/opj_decompress -i ../../5C-cdef.jp2 -o 0.bmp

[INFO] Start to read j2k main header (131).
[INFO] Main header has been correctly decoded.
[INFO] No decoded area parameters, set the decoded area to the whole image
[INFO] Header of tile 1 / 1 has been read.
[INFO] Tile 1/1 has been decoded.
[INFO] Image data has been updated with tile 1.

[INFO] Stream reached its end !
[INFO] Generated Outfile 0.bmp

Incorrect colors in output image (with alpha channels dropped for bmp)

Incorrect ouput image : 0.bmp
Correct output image : 5C-cdef.bmp (kakadu & patched openjpeg)

Reported by mayeut on 2014-10-16 21:38:51

---

- _Attachment: [5C-cdef.jp2](https://storage.googleapis.com/google-code-attachments/openjpeg/issue-414/comment-0/5C-cdef.jp2)_ - _Attachment: [5C-cdef.bmp](https://storage.googleapis.com/google-code-attachments/openjpeg/issue-414/comment-0/5C-cdef.bmp)_ - _Attachment: [0.bmp](https://storage.googleapis.com/google-code-attachments/openjpeg/issue-414/comment-0/0.bmp)_

[gcode-importer]

Patch verified against Test Suite & OK

Reported by mayeut on 2014-10-16 22:22:45

[gcode-importer]

Update patch for r2918
Patch verified against Test Suite & OK

Reported by mayeut on 2014-10-23 19:30:20

• Status changed: Verified

---

- _Attachment: [issue414-r2918.patch](https://storage.googleapis.com/google-code-attachments/openjpeg/issue-414/comment-2/issue414-r2918.patch)_

[gcode-importer]

This issue was closed by revision r2921.

Reported by detonin on 2014-10-30 18:26:13

• Status changed: Fixed