ryanc/lume
1
0
Fork 0
Code Issues 5 Pull Requests Releases Wiki Activity

use pointers

Browse Source
This commit is contained in:
Ryan Cavicchioni 2020-03-08 13:47:01 -05:00
parent 73a666a216
commit 39a9d377d1
Signed by: ryanc
GPG Key ID: 877EEDAF9245103D
1 changed files with 63 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

93
color.go
View File

@ -2,6 +2,7 @@ package lifx
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
@ -19,41 +20,73 @@ type (
}
HSBKColor struct {
H float32 `json:"hue"`
S float32 `json:"saturation"`
B float32 `json:"brightness"`
K int16 `json:"kelvin"`
H *float32 `json:"hue"`
S *float32 `json:"saturation"`
B *float32 `json:"brightness"`
K *int16 `json:"kelvin"`
}
NamedColor string
)
var (
Candlelight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 1500} }
Sunset = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 2000} }
UltraWarm = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 2500} }
Incandescent = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 2700} }
Warm = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 3000} }
Cool = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 4000} }
CoolDaylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 4500} }
SoftDaylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 5000} }
Daylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 5600} }
NoonDaylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 6000} }
BrightDaylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 6500} }
CloudDaylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 7000} }
BlueDaylight = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 7500} }
BlueOvercast = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 8000} }
BlueIce = func() *HSBKColor { return &HSBKColor{H: 0, S: 0, K: 9000} }
Candlelight = func() HSBKColor { c, _ := NewWhite(1500); return c }
Sunset = func() HSBKColor { c, _ := NewWhite(2000); return c }
UltraWarm = func() HSBKColor { c, _ := NewWhite(2500); return c }
Incandescent = func() HSBKColor { c, _ := NewWhite(2700); return c }
Warm = func() HSBKColor { c, _ := NewWhite(3000); return c }
Cool = func() HSBKColor { c, _ := NewWhite(4000); return c }
CoolDaylight = func() HSBKColor { c, _ := NewWhite(4500); return c }
SoftDaylight = func() HSBKColor { c, _ := NewWhite(5000); return c }
Daylight = func() HSBKColor { c, _ := NewWhite(5600); return c }
NoonDaylight = func() HSBKColor { c, _ := NewWhite(6000); return c }
BrightDaylight = func() HSBKColor { c, _ := NewWhite(6500); return c }
CloudDaylight = func() HSBKColor { c, _ := NewWhite(7000); return c }
BlueDaylight = func() HSBKColor { c, _ := NewWhite(7500); return c }
BlueOvercast = func() HSBKColor { c, _ := NewWhite(8000); return c }
BlueIce = func() HSBKColor { c, _ := NewWhite(9000); return c }
)
func NewRGBColor(r, g, b uint8) (*RGBColor, error) {
return &RGBColor{R: r, G: g, B: b}, nil
}
func NewHSBKColor() HSBKColor {
func NewHSBColor(h, s, b float32) (HSBKColor, error) {
var c HSBKColor
c.H, c.S, c.B, c.K = -1, -1, -1, -1
return c
if h < 0 || h > 360 {
return c, errors.New("hue must be between 0.0-360.0")
}
if s < 0 || s > 1 {
return c, errors.New("saturation must be between 0.0-1.0")
}
if b < 0 || b > 1 {
return c, errors.New("brightness must be between 0.0-1.0")
}
c = HSBKColor{
H: Float32Ptr(h),
S: Float32Ptr(s),
B: Float32Ptr(b),
}
return c, nil
}
func NewWhite(k int16) (HSBKColor, error) {
var c HSBKColor
if k < 1500 || k > 8000 {
return c, errors.New("kelvin must be between 1500-9000")
}
c = HSBKColor{
H: Float32Ptr(0.0),
S: Float32Ptr(0.0),
K: Int16Ptr(k),
}
return c, nil
}
func (c RGBColor) ColorString() string {
@ -66,17 +99,17 @@ func (c RGBColor) Hex() string {
func (c HSBKColor) ColorString() string {
var s []string
if c.H >= 0 {
s = append(s, fmt.Sprintf("hue:%g", c.H))
if c.H != nil {
s = append(s, fmt.Sprintf("hue:%g", *c.H))
}
if c.S >= 0 {
s = append(s, fmt.Sprintf("saturation:%g", c.S))
if c.S != nil {
s = append(s, fmt.Sprintf("saturation:%g", *c.S))
}
if c.B >= 0 {
s = append(s, fmt.Sprintf("brightness:%g", c.B))
if c.B != nil {
s = append(s, fmt.Sprintf("brightness:%g", *c.B))
}
if c.K >= 0 {
s = append(s, fmt.Sprintf("kelvin:%d", c.K))
if c.K != nil {
s = append(s, fmt.Sprintf("kelvin:%d", *c.K))
}
return strings.Join(s, " ")
}