qr codes

.gitignore

@@ -1,3 +1,4 @@
 rnd-english
 *.txt
 *.db
+*.png

getQR.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+	"image"
+	_ "image/png" // Required to decode PNG files
+	"log"
+    "flag"
+	"os"
+
+	"github.com/makiuchi-d/gozxing"
+	"github.com/makiuchi-d/gozxing/qrcode"
+)
+
+func main() {
+    input := flag.String("input", "qrcode.png", "Input filename for QR code")
+    flag.Parse()
+
+	// Open the PNG file
+	file, err := os.Open(*input)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer file.Close()
+
+	// Decode the image
+	img, _, err := image.Decode(file)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Convert image to BinaryBitmap
+	bmp, err := gozxing.NewBinaryBitmapFromImage(img)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Prepare a QR code reader
+	reader := qrcode.NewQRCodeReader()
+
+	// Decode the QR code
+	result, err := reader.Decode(bmp, nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Print the decoded content
+	fmt.Println("Decoded QR code:", result.GetText())
+}

go.mod

@@ -2,4 +2,13 @@ module xorWords
 
 go 1.20
 
-require github.com/mattn/go-sqlite3 v1.14.28 // indirect
+require (
+	github.com/makiuchi-d/gozxing v0.1.1
+	github.com/mattn/go-sqlite3 v1.14.28
+	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
+)
+
+require (
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+)

go.sum

@@ -1,4 +1,10 @@
-github.com/mattn/go-sqlite3 v1.14.19 h1:fhGleo2h1p8tVChob4I9HpmVFIAkKGpiukdrgQbWfGI=
-github.com/mattn/go-sqlite3 v1.14.19/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
+github.com/makiuchi-d/gozxing v0.1.1 h1:xxqijhoedi+/lZlhINteGbywIrewVdVv2wl9r5O9S1I=
+github.com/makiuchi-d/gozxing v0.1.1/go.mod h1:eRIHbOjX7QWxLIDJoQuMLhuXg9LAuw6znsUtRkNw9DU=
 github.com/mattn/go-sqlite3 v1.14.28 h1:ThEiQrnbtumT+QMknw63Befp/ce/nUPgBPMlRFEum7A=
 github.com/mattn/go-sqlite3 v1.14.28/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
+github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
+golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

makeQR.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"github.com/skip2/go-qrcode"
+)
+
+func main() {
+	// Define flags
+	data := flag.String("data", "", "Data to encode in QR code")
+	output := flag.String("output", "qrcode.png", "Output filename for QR code")
+	flag.Parse()
+
+	// Validate required flag
+	if *data == "" {
+		log.Fatal("Data is required. Usage: -data <text> [-output <filename>]")
+	}
+
+	err := qrcode.WriteFile(*data, qrcode.Highest, 512, *output)
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Printf("QR code with data '%s' saved as %s\n", *data, *output)
+}