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33 lines
1.4 KiB
33 lines
1.4 KiB
Some color models support more tools, filters and other things like
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colour selectors than other color models. Some support far less of
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those things, in fact.
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Among these things are:
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* tools
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* palettes
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* filters
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* paint ops
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Thus, if a paint device is of a certain color model, certain GUI things
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must be activated and deactived when that paint device becomes active.
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A paint op may need to knwo something about the layer it is going to paint
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on: it is not sufficient to generate a mask and have that composited by
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the color strategy because the footprint may be determined by the deposit
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and height field that is already present.
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For some color models, pixels in a paint device must be
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initialized using more or less complex algorithms. It is not enough to
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initialize a single default pixel (which we cannot do yet), we must
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additionally initialize the whole default tile; and since nothing in
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Krita outside the tilemanager code should know about the very existence
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of tiles, we must find a generic solution of the canvas initialisation.
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Additionally, some color models need permanently running filters to model
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physical pocesses, like drying and flowing of paint or ink, or adsorbtion into
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lower layers.
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Finally, some color models (like the selection, or wetdreams) want a way to
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efficiently add some kind of visualisation at the paintView level, instead
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of the rendering level. |