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Dominantcolor

GoDoc

Find dominant color in images

import "github.com/cenkalti/dominantcolor"

Package dominantcolor provides a function for finding a color that represents the calculated dominant color in the image. This uses a KMean clustering algorithm to find clusters of pixel colors in RGB space.

The algorithm is ported from Chromium source code:

https://src.chromium.org/svn/trunk/src/ui/gfx/color_analysis.h https://src.chromium.org/svn/trunk/src/ui/gfx/color_analysis.cc

See more at: http://godoc.org/github.com/cenkalti/dominantcolor

####Example

package main

import (
	"fmt"
	"github.com/cenkalti/dominantcolor"
	"image"
	_ "image/jpeg"
	_ "image/png"
	"os"
)

func FindDomiantColor(fileInput string) (string, error) {
	f, err := os.Open(fileInput)
	defer f.Close()
	if err != nil {
		fmt.Println("File not found:", fileInput)
		return "", err
	}
	img, _, err := image.Decode(f)
	if err != nil {
		return "", err
	}

	return dominantcolor.Hex(dominantcolor.Find(img)), nil
}

func main() {
	fmt.Println(FindDomiantColor("aa.png"))
}

####Output:

#CA5527

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