init

cmd/jdenticon/main.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/kevin/go-jdenticon/jdenticon"
+)
+
+func main() {
+	var (
+		value  = flag.String("value", "", "Input value to generate identicon for (required)")
+		size   = flag.Int("size", 200, "Size of the identicon in pixels")
+		format = flag.String("format", "svg", "Output format: svg or png")
+		output = flag.String("output", "", "Output file (if empty, prints to stdout)")
+	)
+	flag.Parse()
+
+	if *value == "" {
+		fmt.Fprintf(os.Stderr, "Error: -value is required\n")
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	icon, err := jdenticon.Generate(*value, *size)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error generating identicon: %v\n", err)
+		os.Exit(1)
+	}
+
+	var result []byte
+	switch *format {
+	case "svg":
+		svgStr, err := icon.ToSVG()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error generating SVG: %v\n", err)
+			os.Exit(1)
+		}
+		result = []byte(svgStr)
+	case "png":
+		pngBytes, err := icon.ToPNG()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error generating PNG: %v\n", err)
+			os.Exit(1)
+		}
+		result = pngBytes
+	default:
+		fmt.Fprintf(os.Stderr, "Error: invalid format %s (use svg or png)\n", *format)
+		os.Exit(1)
+	}
+
+	if *output != "" {
+		if err := os.WriteFile(*output, result, 0644); err != nil {
+			fmt.Fprintf(os.Stderr, "Error writing file: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Printf("Identicon saved to %s\n", *output)
+	} else {
+		fmt.Print(string(result))
+	}
+}