Review Request: Add frame preview support (aka PNG/SVG Previews)

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This review has been submitted with commit f093e1f83df4536f226f333f2614c740a44eabe0 by Dan Leinir Turthra Jensen to branch master.

- Commit


On Sept. 16, 2011, 4:15 p.m., Dan Leinir Turthra Jensen wrote:
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> (Updated Sept. 16, 2011, 4:15 p.m.)
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> Review request for Calligra.
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> Summary
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> Add the ability to use previews for frames with unsupported formats. It will show the embedded objects in order of preference. If the first object is not recognised, the new Unavail shape will be used, which will then try the other options in turn, and for each attempt to load a Picture shape, and upon success it will load the data and disable the Picture shape's tools (to avoid confusion etc). Finally, if no object is recognised, a question mark image is shown, to indicate that the object is unknown.
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> Work done by Inge Wallin and Dan Leinir Turthra Jensen.
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> Diffs
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>   libs/flake/KoShapeRegistry.cpp a65b1c9 
>   libs/flake/KoUnavailShape.h fb346f7 
>   libs/flake/KoUnavailShape.cpp c9bfc77 
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> Diff: http://git.reviewboard.kde.org/r/102512/diff
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> Testing
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> compiled, run and functionality tested by ingwa
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> Thanks,
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> Dan Leinir Turthra
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