color

Documentation

Index

• func RGBADistanceMetric(from color.Color, to color.Color) float64
• type DistanceMetric
• type LabColor
  • func (c *LabColor) RGBA() (uint32, uint32, uint32, uint32)
• type LabColorModel
  • func (cm *LabColorModel) Convert(in color.Color) color.Color
  • func (m *LabColorModel) Distance(from, to color.Color) float64

Functions

func RGBADistanceMetric

func RGBADistanceMetric(from color.Color, to color.Color) float64

Types

type DistanceMetric

type DistanceMetric func(from color.Color, to color.Color) float64

A function that can calculate a distane metric between two colors.

type LabColor

type LabColor struct {
	L float64
	A float64
	B float64
}

A point in the Lab color space. Implements the go image.Color interface

func (*LabColor) RGBA

func (c *LabColor) RGBA() (uint32, uint32, uint32, uint32)

Convert to RGBA colorspace

type LabColorModel

type LabColorModel struct {
}

An implementation of the go color.Model interface

func (*LabColorModel) Convert

func (cm *LabColorModel) Convert(in color.Color) color.Color

func (*LabColorModel) Distance

func (m *LabColorModel) Distance(from, to color.Color) float64

An implementation of DistanceMetric for the LabColor model.