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