Initial commit

codec/jpeg.go

@@ -0,0 +1,23 @@
+package codec
+
+import (
+	"bytes"
+	"image"
+	"image/jpeg"
+	"io"
+)
+
+type JPGCoder struct{}
+
+func (coder JPGCoder) Decode(r io.Reader) (image.Image, error) {
+	i, err := jpeg.Decode(r)
+	if err != nil {
+		return nil, err
+	}
+	return i, nil
+}
+
+func (coder JPGCoder) Encode(i image.Image, quality int) (buf bytes.Buffer, err error) {
+	err = jpeg.Encode(&buf, i, &jpeg.Options{Quality: quality})
+	return buf, err
+}