69 lines
1.1 KiB
Go
69 lines
1.1 KiB
Go
package lifx
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
type (
|
|
Color interface {
|
|
ColorString() string
|
|
}
|
|
)
|
|
|
|
type (
|
|
RGBColor struct {
|
|
R, G, B uint8
|
|
}
|
|
|
|
HSBKColor struct {
|
|
H, K int16
|
|
S, B float32
|
|
}
|
|
|
|
NamedColor string
|
|
)
|
|
|
|
func NewRGBColor(r, g, b uint8) (*RGBColor, error) {
|
|
return &RGBColor{R: r, G: g, B: b}, nil
|
|
}
|
|
|
|
func NewHSBKColor() HSBKColor {
|
|
var c HSBKColor
|
|
c.H, c.S, c.B, c.K = -1, -1, -1, -1
|
|
return c
|
|
}
|
|
|
|
func (c RGBColor) ColorString() string {
|
|
return fmt.Sprintf("rgb:%d,%d,%d", c.R, c.G, c.B)
|
|
}
|
|
|
|
func (c RGBColor) Hex() string {
|
|
return fmt.Sprintf("#%x%x%x", c.R, c.G, c.B)
|
|
}
|
|
|
|
func (c HSBKColor) ColorString() string {
|
|
var s []string
|
|
if c.H >= 0 {
|
|
s = append(s, fmt.Sprintf("hue:%d", c.H))
|
|
}
|
|
if c.S >= 0 {
|
|
s = append(s, fmt.Sprintf("saturation:%g", c.S))
|
|
}
|
|
if c.B >= 0 {
|
|
s = append(s, fmt.Sprintf("brightness:%g", c.B))
|
|
}
|
|
if c.K >= 0 {
|
|
s = append(s, fmt.Sprintf("kelvin:%d", c.K))
|
|
}
|
|
return strings.Join(s, " ")
|
|
}
|
|
|
|
func (c HSBKColor) MarshalText() ([]byte, error) {
|
|
return []byte(c.ColorString()), nil
|
|
}
|
|
|
|
func (c NamedColor) ColorString() string {
|
|
return string(c)
|
|
}
|