wip: migrate to mono-repo. SPN has already been moved to spn/

service/profile/binmeta/convert.go

@@ -0,0 +1,32 @@
+package binmeta
+
+import (
+	"bytes"
+	"fmt"
+	"image"
+	_ "image/png" // Register png support for image package
+
+	"github.com/fogleman/gg"
+	_ "github.com/mat/besticon/ico" // Register ico support for image package
+)
+
+// ConvertICOtoPNG converts a an .ico to a .png image.
+func ConvertICOtoPNG(ico []byte) (png []byte, err error) {
+	// Decode the ICO.
+	icon, _, err := image.Decode(bytes.NewReader(ico))
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode ICO: %w", err)
+	}
+
+	// Convert to raw image.
+	img := gg.NewContextForImage(icon)
+
+	// Convert to PNG.
+	imgBuf := &bytes.Buffer{}
+	err = img.EncodePNG(imgBuf)
+	if err != nil {
+		return nil, fmt.Errorf("failed to encode PNG: %w", err)
+	}
+
+	return imgBuf.Bytes(), nil
+}