ImageFromByteArray.java Source code

Introduction

Here is the source code for ImageFromByteArray.java

Source

/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

/*
 * Cursor example snippet: create a color cursor from a source and a mask
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.0
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ImageFromByteArray {

    static byte[] srcData = { (byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x00, (byte) 0x00, (byte) 0x11,
            (byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x10, (byte) 0x00, (byte) 0x01, (byte) 0x10, (byte) 0x00,
            (byte) 0x01, (byte) 0x11, (byte) 0x11, (byte) 0x00, (byte) 0x22, (byte) 0x01, (byte) 0x10, (byte) 0x33,
            (byte) 0x00, (byte) 0x11, (byte) 0x10, (byte) 0x02, (byte) 0x22, (byte) 0x01, (byte) 0x10, (byte) 0x33,
            (byte) 0x30, (byte) 0x01, (byte) 0x10, (byte) 0x22, (byte) 0x22, (byte) 0x01, (byte) 0x10, (byte) 0x33,
            (byte) 0x33, (byte) 0x01, (byte) 0x10, (byte) 0x22, (byte) 0x22, (byte) 0x01, (byte) 0x10, (byte) 0x33,
            (byte) 0x33, (byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x11, (byte) 0x11, (byte) 0x01, (byte) 0x10, (byte) 0x11,
            (byte) 0x11, (byte) 0x10, (byte) 0x01, (byte) 0x11, (byte) 0x11, (byte) 0x01, (byte) 0x10, (byte) 0x11,
            (byte) 0x11, (byte) 0x10, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x10, (byte) 0x44, (byte) 0x44, (byte) 0x01, (byte) 0x10, (byte) 0x55,
            (byte) 0x55, (byte) 0x01, (byte) 0x10, (byte) 0x44, (byte) 0x44, (byte) 0x01, (byte) 0x10, (byte) 0x55,
            (byte) 0x55, (byte) 0x01, (byte) 0x10, (byte) 0x04, (byte) 0x44, (byte) 0x01, (byte) 0x10, (byte) 0x55,
            (byte) 0x50, (byte) 0x01, (byte) 0x11, (byte) 0x00, (byte) 0x44, (byte) 0x01, (byte) 0x10, (byte) 0x55,
            (byte) 0x00, (byte) 0x11, (byte) 0x11, (byte) 0x10, (byte) 0x00, (byte) 0x01, (byte) 0x10, (byte) 0x00,
            (byte) 0x01, (byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x00, (byte) 0x00, (byte) 0x11,
            (byte) 0x11, (byte) 0x11, };

    public static void main(String[] args) {
        Display display = new Display();
        Color white = display.getSystemColor(SWT.COLOR_WHITE);
        Color black = display.getSystemColor(SWT.COLOR_BLACK);
        Color yellow = display.getSystemColor(SWT.COLOR_YELLOW);
        Color red = display.getSystemColor(SWT.COLOR_RED);
        Color green = display.getSystemColor(SWT.COLOR_GREEN);
        Color blue = display.getSystemColor(SWT.COLOR_BLUE);

        // Create a source ImageData of depth 4
        PaletteData palette = new PaletteData(new RGB[] { black.getRGB(), white.getRGB(), yellow.getRGB(),
                red.getRGB(), blue.getRGB(), green.getRGB() });
        ImageData sourceData = new ImageData(16, 16, 4, palette, 1, srcData);

        Shell shell = new Shell(display);
        final Image source = new Image(display, sourceData);
        shell.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {
                GC gc = e.gc;
                gc.drawImage(source, 20, 20);
            }
        });
        shell.setSize(150, 150);
        shell.open();

        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        source.dispose();
        display.dispose();
    }
}