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Miloslav Ciz 2023-10-28 14:40:53 +02:00
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palette.md
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@ -8,7 +8,7 @@ Palettes are related to **[screen modes](screen_mode.md)** -- systems that work
Using palettes has also more advantages, for example we can cycle the palette colors or quickly switch it for another palette and so e.g. increase contrast or apply some color effect (this trick was used e.g. in [Doom](doom.md)). Palettes can be constructed in clever ways (for example in [Anarch](anarch.md)) so that it is e.g. easy to make a color brighter or darker by simply incrementing or decrementing its index (while increasing brightness of a three-component RGB value is complex and slow) -- as we generally process big numbers of pixels this can lead to tremendous speed ups. Having fewer colors also makes them easier to compare and so easily implement things such as [pixel art upscaling](pixel_art_upscaling.md) (huge number of colors generally forces us to compare pixels with some amount of bias which is slower).
**Can palettes be [copyrighted](copyright.md)?** We hope not, that would indeed be pretty fucked up, however [trademarks](trademark.md) already allowed corporations to own even single colors (Milka chocolate's lilac color), and some websites for sharing palettes claim that a picture of a palette can be copyrighted as some kind of a "digital painting", even though they acknowledge a set of colors as such can't be copyrighted. So for maximum safety try to create your own palette (and share it under [CC0](cc0.md) to spare others the same pain) as a first option, as a second option use a palette that's explicitly shared under free terms ([CC0](cc0.md) is probably best), and if you absolutely have to reuse someone else's "proprietary" palette, at least reorder its colors and possibly slightly change the RGB values to make it a bit distinct.
**Can palettes be [copyrighted](copyright.md)?** We hope not, that would indeed be pretty fucked up, however it's not that simple, for example those massive faggots at Pantone literally try to do just that and successfully removed their "proprietary colors" from [photoshop](photoshop.md). [Trademarks](trademark.md) and [trade dress](trade_dress.md) already allowed some kind of ownership of colors or at least their combinations (Milka even tried to trademark a single color), and some websites for sharing palettes claim that a picture of a palette can be copyrighted as some kind of "digital painting", even though they acknowledge a small set of colors as such probably can't be copyrighted. In general copyright MAY apply to selection (abstract set) of things: for example a mere selection of articles from Wikipedia may be considered a copyrightable work, though of course such a "work" (lol) still has to pass some threshold of originality etc. So for maximum safety try to create your own palette (and share it under [CC0](cc0.md) and other waivers just in case, to spare others the same pain) as a first option, as a second option use some common public domain mathematically generated palette (e.g. [332](332.md)) or a palette that's explicitly shared under free terms ([CC0](cc0.md) is probably best), and if you absolutely have to reuse someone else's palette (free or proprietary), at least try to make slight modifications to it by reordering the colors and possibly slightly changing the RGB values.
## Examples