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This is a simple demo for VirGL, that does the bare minimum required to
create and render a spinning cube (with one color per face).
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This is an application analogous to WidgetGallery, in that it tests
various capabilities of LibGUI models. Right now it is pretty bare, but
as more work towards LibGUI models is done regarding persistent model
indices, more demos will be added.
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Also changes the category to `Graphics`
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This adds a very rudimentary Mandelbrot viewer. It supports zooming
and pretty much nothing else. Not even color smoothing or super
sampling.
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Every GL library needs an implementation of this!
Currently drawn with "pixel vomit" colours as we don't
yet support lighting via the GL library.
This also ships with a super basic Wavefront OBJ loader.
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This adds a scale factor to Painter, which will be used for HighDPI
support. It's also a step towards general affine transforms on Painters.
All of Painter's public API takes logical coordinates, while some
internals deal with physical coordinates now. If scale == 1, logical
and physical coordinates are the same. For scale == 2, a 200x100 bitmap
would be covered by a logical {0, 0, 100, 50} rect, while its physical
size would be {0, 0, 200, 100}.
Most of Painter's functions just assert that scale() == 1 is for now,
but most functions called by WindowServer are updated to handle
arbitrary (integer) scale.
Also add a new Demo "LibGfxScaleDemo" that covers the converted
functions and that can be used to iteratively add scaling support
to more functions.
To make Painter's interface deal with logical coordinates only,
make translation() and clip_rect() non-public.
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