[Kde-pim] Review Request: Don't always recompress contact photos when saving

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This review has been submitted with commit c0a50e2b6e7a8513d0a768afb35bc7aa3d1748f1 by Allen Winter to branch master.

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On Oct. 21, 2012, 11:45 p.m., Sebastian Scheibner wrote:
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> http://git.reviewboard.kde.org/r/106745/
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> (Updated Oct. 21, 2012, 11:45 p.m.)
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> 
> Review request for KDEPIM-Libraries.
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> Description
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> When changing a contact with a photo, the photo is recompressed when saving (even though the photo wasn't changed). That's because the photo is loaded into a QImage and when the contact is saved, the QImage is compressed as JPEG again (or PNG if it contains an alpha-channel, which most don't).
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> This patch stores the raw base64 photo data from the vcard as a QByteArray in KABC::Picture. If the photo is not changed, this QByteArray is simply used when saving the contact, so there's no recompression and quality loss. If the photo was changed it gets compressed as JPEG as before.
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> fixes this bug: https://bugs.kde.org/show_bug.cgi?id=307570
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> This addresses bug 307570.
>     http://bugs.kde.org/show_bug.cgi?id=307570
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> 
> Diffs
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>   akonadi/contact/editor/imagewidget.h 92df283 
>   akonadi/contact/editor/imagewidget.cpp e1a0527 
>   kabc/picture.h bf9745c 
>   kabc/picture.cpp 0a51c8b 
>   kabc/tests/picturetest.h 2b33e18 
>   kabc/tests/picturetest.cpp b599b48 
>   kabc/vcardparser/testroundtrip.qrc a858dc2 
>   kabc/vcardparser/tests/vcard5.vcf.ref 712b494 
>   kabc/vcardtool.cpp e876e81 
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> Diff: http://git.reviewboard.kde.org/r/106745/diff/
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> Testing
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> compiled kdepimlibs/kabc with kde 4.9.2
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> - created a new contact in kaddressbook and added a photo. exported the contact.
> - changed the photo and exported the contact again
> - the image data in the exported file didn't change
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> Thanks,
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> Sebastian Scheibner
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>

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