29 lines
465 B
Go
29 lines
465 B
Go
|
package sixel
|
||
|
|
|
||
|
|
import "image/color"
|
||
|
|
|
||
|
|
type ColourMap struct {
|
||
|
|
data [0x100]color.Color
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewColourMap() *ColourMap {
|
||
|
|
return &ColourMap{}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *ColourMap) GetColour(id uint8) color.Color {
|
||
|
|
return m.data[id]
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *ColourMap) SetColour(id uint8, c color.Color) {
|
||
|
|
m.data[id] = c
|
||
|
|
}
|
||
|
|
|
||
|
|
func (m *ColourMap) FindColour(colour color.Color) (uint8, bool) {
|
||
|
|
for id, c := range m.data {
|
||
|
|
if c == colour {
|
||
|
|
return uint8(id), true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, false
|
||
|
|
}
|