30 lines
553 B
Go
30 lines
553 B
Go
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package imagequant
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/*
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#include "libimagequant.h"
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*/
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import "C"
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// This struct has standard Go lifetime and does not need manual release.
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type Palette struct {
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p C.struct_liq_palette
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}
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func (this *Palette) Count() uint {
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return uint(this.p.count)
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}
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func (this *Palette) At(idx int) (Color, error) {
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if idx < 0 || idx >= int(this.Count()) {
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return Color{}, ErrValueOutOfRange
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}
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return Color{
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r: uint8(this.p.entries[idx].r),
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g: uint8(this.p.entries[idx].g),
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b: uint8(this.p.entries[idx].b),
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a: uint8(this.p.entries[idx].a),
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}, nil
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}
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