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implementing the current prototype/version of the node timer / time graph has introduced a new drawing library, which will let the user compile _shader geometry_ into a `canvas` . It takes care of some of the tedious stuff behind the scene. Essentially it has a a few shapes that can be drawn at given coordinates with given colours.
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```
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from sverchok.utils.modules.shader_utils import ShaderLib2D
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canvas = ShaderLib2D()
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canvas.add_rect(x, y, w, h, (1.0, 1.0, 1.0))
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...
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geom = canvas.compile()
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verts = geom.verts
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tris = geom.tris
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``` |
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