52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
package color_test
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import (
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"fmt"
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"testing"
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"git.urbach.dev/go/color"
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)
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func TestLCH(t *testing.T) {
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color.Terminal = true
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lchColors := map[string]color.Color{
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"black": color.LCH(0.0, 0.0, 0),
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"white": color.LCH(1.0, 0.0, 0),
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"gray": color.LCH(0.5, 0.0, 0),
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"pink": color.LCH(0.75, 1.0, 0),
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"red": color.LCH(0.75, 1.0, 40),
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"orange": color.LCH(0.75, 1.0, 60),
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"yellow": color.LCH(0.9, 1.0, 100),
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"green": color.LCH(0.75, 1.0, 135),
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"blue": color.LCH(0.75, 1.0, 260),
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"cyan": color.LCH(0.75, 1.0, 210),
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"magenta": color.LCH(0.75, 1.0, 320),
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}
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for name, c := range lchColors {
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c.Println("█ " + name)
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}
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}
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func TestLCHSpectrum(t *testing.T) {
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color.Terminal = true
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color.TrueColor = true
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for chroma := range 4 {
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for lightness := range 21 {
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for hue := range 80 {
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l := color.Value(lightness) * 0.05
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c := color.Value(chroma) * 0.05
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h := color.Value(hue) * 4.4
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col := color.LCH(l, c, h)
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col.Print("█")
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}
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fmt.Println()
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}
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fmt.Println()
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}
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}
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