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example/main.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"image/color"
+	"image/png"
+	"log"
+	"os"
+
+	"github.com/nxshock/colorcrop"
+)
+
+func main() {
+	log.SetFlags(0)
+
+	// Read source image
+	sourceFile, err := os.Open("img.png")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer sourceFile.Close()
+
+	sourceImage, err := png.Decode(sourceFile)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	// Crop image white border with 50% thresold
+	croppedImage := colorcrop.Crop(sourceImage, color.RGBA{255, 255, 255, 255}, 0.5)
+
+	// Save cropped image
+	croppedFile, err := os.Create("cropped.png")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer croppedFile.Close()
+
+	err = png.Encode(croppedFile, croppedImage)
+	if err != nil {
+		log.Fatalln(err)
+	}
+}