Initial commit

codec/webp.go

@@ -0,0 +1,26 @@
+package codec
+
+import (
+	"bytes"
+	"image"
+	"io"
+
+	"github.com/chai2010/webp"
+)
+
+type WebpCoder struct{}
+
+func (coder WebpCoder) Decode(r io.Reader) (image.Image, error) {
+	i, err := webp.Decode(r)
+	if err != nil {
+		return nil, err
+	}
+	return i, nil
+}
+
+func (coder WebpCoder) Encode(i image.Image, quality int) (buf bytes.Buffer, err error) {
+	if err = webp.Encode(&buf, i, &webp.Options{Lossless: true, Quality: float32(quality)}); err != nil {
+		return buf, err
+	}
+	return buf, nil
+}