Avatar downloader

jobs/avatars/webp.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"image"
+	_ "image/gif"
+	_ "image/jpeg"
+	_ "image/png"
+	"os"
+
+	"github.com/chai2010/webp"
+)
+
+func convertFileToWebP(in string, out string, quality float32) error {
+	f, openErr := os.Open(in)
+
+	if openErr != nil {
+		return openErr
+	}
+
+	img, format, decodeErr := image.Decode(f)
+
+	if decodeErr != nil {
+		return decodeErr
+	}
+
+	fmt.Println(format, img.Bounds().Dx(), img.Bounds().Dy())
+
+	fileOut, writeErr := os.Create(out)
+
+	if writeErr != nil {
+		return writeErr
+	}
+
+	encodeErr := webp.Encode(fileOut, img, &webp.Options{
+		Quality: quality,
+	})
+
+	return encodeErr
+}