QRFrameOptions Class

The base class for QR code frame options.

Declaration

public abstract class QRFrameOptions extends JavaObject

Remarks

The following frame options are available for QR codes:

Frame Options	Description
RectangleQRFrameOptions	Displays a rectangular frame around the QR code.
CornerQRFrameOptions	Displays corner lines around the QR code.
PaymentServicesAustriaQRFrameOptions	Displays a frame that complies with the Payment Services Austria (PSA) guidelines. This option is available only for QR EPC codes.

Refer to the following help topic for additional information: QR Code.

The following code snippet creates a QR Code barcode and customizes its encoding parameters:

import com.devexpress.drawing.*;
import com.devexpress.docs.barcode.*;
import com.devexpress.system.drawing.*;
import com.devexpress.docs.Padding;

import java.io.*;
import java.nio.file.*;

public class Main {
    public static void main(String[] args) throws Exception {

        byte[] logoBytes = Files.readAllBytes(Path.of("images/devexpress-logo.png"));

        try (DXImage logo = DXImage.fromStream(new ByteArrayInputStream(logoBytes))) {

            // Customize QR Code parameters.
            QRCodeOptions options = new QRCodeOptions();
            options.setErrorCorrectionLevel(QRCodeErrorCorrectionLevel.H);
            options.setCompactionMode(QRCodeCompactionMode.AUTO);
            options.setVersion(QRCodeVersion.VERSION_10);
            options.setIncludeQuietZone(true);
            options.setLogo(logo);
            options.setPadding(new Padding(10));
            options.setModuleSize(10);
            options.setShowText(false);

            // Customize QR Code frame parameters.
            RectangleQRFrameOptions frameOptions = new RectangleQRFrameOptions();
            frameOptions.setPadding(new Padding(10));
            frameOptions.setFrameColor(Color.getOrange());
            frameOptions.setFrameWidth(10);
            frameOptions.setText("DevExpress");
            frameOptions.setCornerRadius(10);
            frameOptions.setTextAlignment(QRFrameTextAlignment.CENTER);
            frameOptions.setTextColor(Color.getBlack());
            frameOptions.setTextPosition(QRFrameTextPosition.BOTTOM);

            options.setFrameOptions(frameOptions);

            Path outputDir = Path.of("output");
            Files.createDirectories(outputDir);

            try (FileOutputStream fileStream = new FileOutputStream(
                    outputDir.resolve("qrcode.png").toFile());
                    BarcodeGenerator barcodeGenerator = new BarcodeGenerator(options)) {
                        barcodeGenerator.export(
                                "https://www.devexpress.com",
                                fileStream,
                                DXImageFormat.getPng());
            }
        }
    }
}

Inherited Members

com.devexpress.system.JavaObject.clone()

com.devexpress.system.JavaObject.equals(java.lang.Object)

com.devexpress.system.JavaObject.hashCode()

com.devexpress.system.JavaObject.initFields()

com.devexpress.system.JavaObject.memberwiseClone()

com.devexpress.system.JavaObject.toString()

java.lang.Object.finalize()

java.lang.Object.getClass()

java.lang.Object.notify()

java.lang.Object.notifyAll()

java.lang.Object.wait()

java.lang.Object.wait(long)

java.lang.Object.wait(long,int)

Inheritance

Object

com.devexpress.system.JavaObject

QRFrameOptions

QRFrameOptions()

Initializes a new instance of the QRFrameOptions class.

Declaration

public QRFrameOptions()