2021-08-22

webcam/build.gradle.kts

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+plugins {
+    id("elex-java")
+}
+
+dependencies {
+    implementation("com.github.sarxos:webcam-capture:0.3.12")
+}

webcam/src/main/java/kr/pe/elex/examples/WebcamSample.java

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import com.github.sarxos.webcam.Webcam;
+import com.github.sarxos.webcam.WebcamPanel;
+import com.github.sarxos.webcam.WebcamResolution;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+public class WebcamSample {
+	public static void main(String... args) {
+
+		SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				JFrame jFrame = new JFrame("Web Cam");
+				jFrame.setSize(800, 600);
+				jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+				jFrame.setContentPane(new MyPanel());
+
+				jFrame.setVisible(true);
+			}
+		});
+	}
+
+	private static class MyPanel extends JPanel {
+		private Webcam webcam;
+
+		MyPanel() {
+			super();
+			init();
+		}
+
+		private void init() {
+			setLayout(new BorderLayout());
+
+			webcam = Webcam.getDefault();
+			Dimension resolution = WebcamResolution.QVGA.getSize();
+			webcam.setViewSize(resolution);
+			webcam.open();
+
+			WebcamPanel panel = new WebcamPanel(webcam);
+			panel.setFPSDisplayed(true);
+			panel.setAntialiasingEnabled(true);
+			panel.setSize(resolution);
+
+			JButton btnCapture = new JButton("Capture");
+			btnCapture.addActionListener(new ActionListener() {
+				@Override
+				public void actionPerformed(ActionEvent e) {
+					try {
+						BufferedImage image = webcam.getImage();
+						ImageIO.write(image, "jpg", new File("out/capture.jpg"));
+					} catch (IOException ex) {
+						ex.printStackTrace();
+					}
+				}
+			});
+			JButton btnResolution = new JButton("Resolutions");
+			btnResolution.addActionListener(new ActionListener() {
+				@Override
+				public void actionPerformed(ActionEvent e) {
+					for (Dimension item : webcam.getDevice().getResolutions()) {
+						System.out.println(item);
+					}
+				}
+			});
+
+			JToolBar jToolBar = new JToolBar();
+			jToolBar.add(btnCapture);
+			jToolBar.add(btnResolution);
+
+			add(panel, BorderLayout.CENTER);
+			add(jToolBar, BorderLayout.NORTH);
+		}
+	}
+}