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29 lines
704 B
29 lines
704 B
package color
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import "github.com/lucasb-eyer/go-colorful"
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type RGB struct {
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Red float64 `json:"red"`
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Green float64 `json:"green"`
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Blue float64 `json:"blue"`
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}
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func (rgb RGB) AtIntensity(intensity float64) RGB {
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hue, sat, _ := colorful.Color{R: rgb.Red, G: rgb.Green, B: rgb.Blue}.Hsv()
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hsv2 := colorful.Hsv(hue, sat, intensity)
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return RGB{Red: hsv2.R, Green: hsv2.G, Blue: hsv2.B}
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}
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func (rgb RGB) ToHS() HueSat {
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hue, sat, _ := colorful.Color{R: rgb.Red, G: rgb.Green, B: rgb.Blue}.Hsv()
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return HueSat{Hue: hue, Sat: sat}
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}
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func (rgb RGB) ToXY() XY {
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x, y, z := (colorful.Color{R: rgb.Red, G: rgb.Green, B: rgb.Blue}).Xyz()
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return XY{
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X: x / (x + y + z),
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Y: y / (x + y + z),
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}
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}
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