#10 ImageLabel eyecandy

[Jani Huhtanen]

The attached patch adds a new property to the
ImageLabel class. Now ImageLabel can be marked
as a background effect. In this state the content of
the ImageLabel will be created on fly. Content is
grabbed from the render buffer, thus creating sort
of pseudotransparency. With content I mean
R,G,B channels, alpha is left untouched so that
one can create shapes by using the alpha
channel. This is useful if you wan't to apply some
effect to already rendered pixels
(such as background).

Patch also adds a new effect, parametrizable blur.

It's kind of hard to explain what all this looks like so
I attached a screenshot along with the example
theme using background effects (found in the
tarball).

-- Jani Huhtanen
jani _dot_ huhtanen _at_ tut _dot_ fi

[Jani Huhtanen]

Patch for ImageLabel update, example of use and a screenshot

[Jani Huhtanen]

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minor "bug" in the example theme. The last description
of the blur effects shoud read something like:
"Horizontal and vertical randomized blur"

-- Jani Huhtanen

[Ryan Nickell]

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This patch looks pretty clean and unintrusive to the rest of the code
so I don't see why we can't add it. I've not tested it yet, but will do
so tomorrow before a commit to SVN.
Thanks for the contribution!