first commit

widgets/qrcode.go

@@ -0,0 +1,54 @@
+package widgets
+
+import (
+	"ArinDash/util"
+	"context"
+	"strings"
+
+	"github.com/mum4k/termdash/terminal/terminalapi"
+	"github.com/mum4k/termdash/widgetapi"
+	"github.com/mum4k/termdash/widgets/text"
+	"github.com/skip2/go-qrcode"
+)
+
+type QRCodeOptions struct {
+	data string
+}
+
+func QRCode(data string) QRCodeOptions {
+	widgetOptions["QRCodeOptions"] = createQRCode
+	return QRCodeOptions{
+		data: data,
+	}
+
+}
+
+func QrCodeASCII(data string) string {
+	bitmap := util.PanicOnErrorWithResult(qrcode.New(data, qrcode.Low)).Bitmap()
+
+	var stringBuilder strings.Builder
+	for y := range bitmap {
+		for x := range bitmap[y] {
+			if bitmap[y][x] {
+				stringBuilder.WriteString("██")
+			} else {
+				stringBuilder.WriteString("  ")
+			}
+		}
+		stringBuilder.WriteByte('\n')
+	}
+	return stringBuilder.String()
+}
+
+func createQRCode(_ context.Context, _ terminalapi.Terminal, opt interface{}) widgetapi.Widget {
+	options, ok := opt.(QRCodeOptions)
+	if !ok {
+		panic("invalid options type")
+	}
+
+	widget := util.PanicOnErrorWithResult(text.New())
+
+	util.PanicOnError(widget.Write(QrCodeASCII(options.data)))
+
+	return widget
+}