26 lines
757 B
Go
26 lines
757 B
Go
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package colorful
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import (
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"math/rand"
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)
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// Uses the HSV color space to generate colors with similar S,V but distributed
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// evenly along their Hue. This is fast but not always pretty.
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// If you've got time to spare, use Lab (the non-fast below).
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func FastWarmPalette(colorsCount int) (colors []Color) {
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colors = make([]Color, colorsCount)
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for i := 0; i < colorsCount; i++ {
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colors[i] = Hsv(float64(i)*(360.0/float64(colorsCount)), 0.55+rand.Float64()*0.2, 0.35+rand.Float64()*0.2)
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}
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return
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}
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func WarmPalette(colorsCount int) ([]Color, error) {
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warmy := func(l, a, b float64) bool {
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_, c, _ := LabToHcl(l, a, b)
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return 0.1 <= c && c <= 0.4 && 0.2 <= l && l <= 0.5
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}
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return SoftPaletteEx(colorsCount, SoftPaletteSettings{warmy, 50, true})
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}
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