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example_test.go

@@ -0,0 +1,29 @@
+package colorcrop_test
+
+import (
+	"image/color"
+	"image/png"
+	"log"
+	"os"
+
+	"github.com/nxshock/colorcrop"
+)
+
+func Example() {
+	log.SetFlags(0)
+
+	// Read source image
+	sourceFile, _ := os.Open("img.png")
+	defer sourceFile.Close()
+
+	sourceImage, _ := png.Decode(sourceFile)
+
+	// Crop image white border with 50% thresold
+	croppedImage := colorcrop.Crop(sourceImage, color.RGBA{255, 255, 255, 255}, 0.5)
+
+	// Save cropped image
+	croppedFile, _ := os.Create("cropped.png")
+	defer croppedFile.Close()
+
+	png.Encode(croppedFile, croppedImage)
+}