com.amazonaws.kinesisvideo.parser.examples.KinesisVideoFrameViewer Maven / Gradle / Ivy

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/*
Copyright 2017-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"). 
You may not use this file except in compliance with the License. 
A copy of the License is located at

   http://aws.amazon.com/apache2.0/

or in the "license" file accompanying this file. 
This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and limitations under the License.
*/
package com.amazonaws.kinesisvideo.parser.examples;

import javax.swing.*;

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;

import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.JPanel;

public class KinesisVideoFrameViewer extends JFrame {
    private final ImagePanel panel;

    public KinesisVideoFrameViewer(int width, int height) {
        this.setTitle("Kinesis Video Frame  Viewer Sample");
        this.setBackground(Color.BLACK);
        panel = new ImagePanel();
        panel.setPreferredSize(new Dimension(width, height));
        this.add(panel);
        this.pack();
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.out.println("Kinesis video viewer frame closed");
                System.exit(0);
            }
        });
    }

    public void update(BufferedImage image) {
        panel.setImage(image);
    }
}

class ImagePanel extends JPanel {
    private BufferedImage image;

    @Override
    public void paintComponent(Graphics g) {
        Graphics2D g2 = (Graphics2D) g;
        if (image != null) {
            g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            g2.clearRect(0, 0, image.getWidth(), image.getHeight());
            g2.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null);
        }
    }

    public void setImage(BufferedImage bufferedImage) {
        image = bufferedImage;
        repaint();
    }
}