Converts a buffered image to SWT ImageData. : SWT Swing AWT « SWT JFace Eclipse « Java

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Class
8. Collections Data Structure
9. Data Type
10. Database SQL JDBC
11. Design Pattern
12. Development Class
13. EJB3
14. Email
15. Event
16. File Input Output
17. Game
18. Generics
19. GWT
20. Hibernate
21. I18N
22. J2EE
23. J2ME
24. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » SWT JFace Eclipse » SWT Swing AWTScreenshots 
Converts a buffered image to SWT ImageData.
 
/* 
 * JFreeChart : a free chart library for the Java(tm) platform
 
 *
 * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------
 * SWTUtils.java
 * -------------
 * (C) Copyright 2006, 2007, by Henry Proudhon and Contributors.
 *
 * Original Author:  Henry Proudhon (henry.proudhon AT ensmp.fr);
 * Contributor(s):   Rainer Blessing;
 *                   David Gilbert (david.gilbert@object-refinery.com);
 *                   Christoph Beck.
 *
 * Changes
 * -------
 * 01-Aug-2006 : New class (HP);
 * 16-Jan-2007 : Use FontData.getHeight() instead of direct field access (RB);
 * 31-Jan-2007 : Moved the dummy JPanel from SWTGraphics2D.java,
 *               added a new convert method for mouse events (HP);
 * 12-Jul-2007 : Improved the mouse event conversion with buttons
 *               and modifiers handling, patch sent by Christoph Beck (HP);
 * 27-Aug-2007 : Modified toAwtMouseEvent signature (HP);
 * 27-Nov-2007 : Moved convertToSWT() method from SWTGraphics2D and added
 *               convertAWTImageToSWT() (DG);
 * 01-Jul-2008 : Simplify AWT/SWT font style conversions (HP);
 *
 */


import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.DirectColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.WritableRaster;

import javax.swing.JPanel;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Device;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.graphics.Rectangle;

/**
 * Utility class gathering some useful and general method.
 * Mainly convert forth and back graphical stuff between
 * awt and swt.
 */
public class SWTUtils {

    private final static String Az = "ABCpqr";

    /** A dummy JPanel used to provide font metrics. */
    protected static final JPanel DUMMY_PANEL = new JPanel();


    /**
     * Creates an AWT <code>MouseEvent</code> from a swt event.
     * This method helps passing SWT mouse event to awt components.
     @param event The swt event.
     @return A AWT mouse event based on the given SWT event.
     */
    public static MouseEvent toAwtMouseEvent(org.eclipse.swt.events.MouseEvent event) {
        int button = MouseEvent.NOBUTTON;
        switch (event.button) {
        case 1: button = MouseEvent.BUTTON1; break;
        case 2: button = MouseEvent.BUTTON2; break;
        case 3: button = MouseEvent.BUTTON3; break;
        }
        int modifiers = 0;
        if ((event.stateMask & SWT.CTRL!= 0) {
            modifiers |= InputEvent.CTRL_DOWN_MASK;
        }
        if ((event.stateMask & SWT.SHIFT!= 0) {
            modifiers |= InputEvent.SHIFT_DOWN_MASK;
        }
        if ((event.stateMask & SWT.ALT!= 0) {
            modifiers |= InputEvent.ALT_DOWN_MASK;
        }
        MouseEvent awtMouseEvent = new MouseEvent(DUMMY_PANEL, event.hashCode(),
                event.time, modifiers, event.x, event.y, 1, false, button);
        return awtMouseEvent;
    }

    /**
     * Converts an AWT image to SWT.
     *
     @param image  the image (<code>null</code> not permitted).
     *
     @return Image data.
     */
    public static ImageData convertAWTImageToSWT(Image image) {
        if (image == null) {
            throw new IllegalArgumentException("Null 'image' argument.");
        }
        int w = image.getWidth(null);
        int h = image.getHeight(null);
        if (w == -|| h == -1) {
            return null;
        }
        BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        Graphics g = bi.getGraphics();
        g.drawImage(image, 00null);
        g.dispose();
        return convertToSWT(bi);
    }

    /**
     * Converts a buffered image to SWT <code>ImageData</code>.
     *
     @param bufferedImage  the buffered image (<code>null</code> not
     *         permitted).
     *
     @return The image data.
     */
    public static ImageData convertToSWT(BufferedImage bufferedImage) {
        if (bufferedImage.getColorModel() instanceof DirectColorModel) {
            DirectColorModel colorModel
                    (DirectColorModelbufferedImage.getColorModel();
            PaletteData palette = new PaletteData(colorModel.getRedMask(),
                    colorModel.getGreenMask(), colorModel.getBlueMask());
            ImageData data = new ImageData(bufferedImage.getWidth(),
                    bufferedImage.getHeight(), colorModel.getPixelSize(),
                    palette);
            WritableRaster raster = bufferedImage.getRaster();
            int[] pixelArray = new int[3];
            for (int y = 0; y < data.height; y++) {
                for (int x = 0; x < data.width; x++) {
                    raster.getPixel(x, y, pixelArray);
                    int pixel = palette.getPixel(new RGB(pixelArray[0],
                            pixelArray[1], pixelArray[2]));
                    data.setPixel(x, y, pixel);
                }
            }
            return data;
        }
        else if (bufferedImage.getColorModel() instanceof IndexColorModel) {
            IndexColorModel colorModel = (IndexColorModel)
                    bufferedImage.getColorModel();
            int size = colorModel.getMapSize();
            byte[] reds = new byte[size];
            byte[] greens = new byte[size];
            byte[] blues = new byte[size];
            colorModel.getReds(reds);
            colorModel.getGreens(greens);
            colorModel.getBlues(blues);
            RGB[] rgbs = new RGB[size];
            for (int i = 0; i < rgbs.length; i++) {
                rgbs[inew RGB(reds[i0xFF, greens[i0xFF,
                        blues[i0xFF);
            }
            PaletteData palette = new PaletteData(rgbs);
            ImageData data = new ImageData(bufferedImage.getWidth(),
                    bufferedImage.getHeight(), colorModel.getPixelSize(),
                    palette);
            data.transparentPixel = colorModel.getTransparentPixel();
            WritableRaster raster = bufferedImage.getRaster();
            int[] pixelArray = new int[1];
            for (int y = 0; y < data.height; y++) {
                for (int x = 0; x < data.width; x++) {
                    raster.getPixel(x, y, pixelArray);
                    data.setPixel(x, y, pixelArray[0]);
                }
            }
            return data;
        }
        return null;
    }

}

   
  
Related examples in the same category
1. Convert between SWT Image and AWT BufferedImageConvert between SWT Image and AWT BufferedImage
2. Draw an X using AWT GraphicsDraw an X using AWT Graphics
3. Embed a JTable in SWT (no flicker)Embed a JTable in SWT (no flicker)
4. Converts an AWT image to SWT.
5. Creates an AWT MouseEvent from a swt event.
6. Returns an SWT point with the same coordinates as the specified AWT point (rounded to integer values).
7. Returns an SWT point with the same coordinates as the specified AWT point.
8. Returns an AWT point with the same coordinates as the specified SWT point.
9. Transform a swt Rectangle instance into an AWT Rectangle.
10. Draw Graphics2D stuff on a swt composite
11. Transform an awt Rectangle2d instance into a swt Rectangle2d.
12. Creates a swt color instance to match the rgb values of the specified awt color. alpha channel is not supported.
13. Creates a swt color instance to match the rgb values of the specified awt paint.
14. Creates an awt color instance to match the rgb values of the specified swt color.
15. Create an awt font by converting as much information as possible from the provided swt Font.
16. Create an awt font by converting as much information as possible from the provided swt FontData.
17. Create a FontData object which encapsulate the essential data to create a swt font.
18. Embed Swing and AWT in SWTEmbed Swing and AWT in SWT
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.