load Image - Java 2D Graphics

Java examples for 2D Graphics:Image Load

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Description

load Image

Demo Code


import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import javax.imageio.ImageIO;

public class Main{
    public static BufferedImage loadImage(String filename) {
        try {/*from w  ww.  java  2 s  . co  m*/
            InputStream inputStream = openResource(filename);
            BufferedImage result = ImageIO.read(inputStream);
            inputStream.close();
            return result;
        } catch (IOException e) {
            throw new RuntimeException("Could not read file '" + filename
                    + "'", e);
        }
    }
    public static InputStream openResource(String filename)
            throws IOException {
        URL url = toURL(filename);
        return openResource(url);
    }
    public static InputStream openResource(URL url) throws IOException {
        InputStream result;

        URLConnection conn = url.openConnection();
        result = conn.getInputStream();

        return result;
    }
    public static URL toURL(String filename) throws FileNotFoundException {
        URL url = GUIUtils.class.getResource("/" + filename);
        if (url == null) {
            try {
                File file = new File(filename);
                if (file.exists()) {
                    url = new File(filename).toURI().toURL();
                } else {
                    throw new FileNotFoundException("File not found: "
                            + filename);
                }
            } catch (MalformedURLException e) {
                e.printStackTrace();
                return null;
            }
        }
        return url;
    }
}

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