utils

Documentation

Index

• func ExtractDominantPalette(img image.Image, k int) []colorful.Color
• func ExtractKMeansPalette(img image.Image, k int) []colorful.Color
• func ExtractPalette(img image.Image, k int, method PaletteMethod) []colorful.Color
• func ReadImage(path string) image.Image
• func SaveGrayImages(images []*image.Gray, dir string) error
• func SaveImage(img image.Image, filename string) error
• func SavePalette(palette []colorful.Color, tileSize int, filename string) error
• func SaveRgbaImages(images []*image.NRGBA, dir string) error
• func SelectDiverseWeightedColors(cands []weightedColor, k int) []colorful.Color
• func SortPaletteByBrightness(palette []colorful.Color)
• type PaletteMethod
  • func (m PaletteMethod) String() string

Functions

func ExtractDominantPalette

func ExtractDominantPalette(img image.Image, k int) []colorful.Color

func ExtractKMeansPalette

func ExtractKMeansPalette(img image.Image, k int) []colorful.Color

func ExtractPalette

func ExtractPalette(img image.Image, k int, method PaletteMethod) []colorful.Color

func ReadImage

func ReadImage(path string) image.Image

func SaveGrayImages

func SaveGrayImages(images []*image.Gray, dir string) error

func SaveImage

func SaveImage(img image.Image, filename string) error

func SavePalette

func SavePalette(palette []colorful.Color, tileSize int, filename string) error

func SaveRgbaImages

func SaveRgbaImages(images []*image.NRGBA, dir string) error

func SelectDiverseWeightedColors

func SelectDiverseWeightedColors(cands []weightedColor, k int) []colorful.Color

func SortPaletteByBrightness

func SortPaletteByBrightness(palette []colorful.Color)

SortPaletteByBrightness orders colors from darkest to brightest. The first palette entry becomes the darkest color (background).

Types

type PaletteMethod

type PaletteMethod int

const (
	PaletteMethodDominantColor PaletteMethod = iota
	PaletteMethodKMeans
)

func (PaletteMethod) String

func (m PaletteMethod) String() string