1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 package com.nokia.microedition.m2g;

    19 

    20 import javax.microedition.m2g.ScalableGraphics;

    21 import javax.microedition.m2g.ScalableImage;

    22 import org.eclipse.swt.graphics.GC;

    23 import org.eclipse.swt.graphics.Image;

    24 import org.eclipse.swt.graphics.Rectangle;

    25 import org.eclipse.swt.widgets.*;

    26 

    27 public class ESWTScalableGraphics

    28 {

    29     Display iDisplay = null;

    30     Rectangle iCanvasBounds = null;

    31     ScalableGraphics iSg = null;

    32     GC iBufferGC = null;

    33     GC iRealGC = null;

    34     Image iBufferedImage = null;

    35 

    36     public ESWTScalableGraphics(Display display)

    37     {

    38 				

    39 				

    40         iSg = ScalableGraphics.createInstance();

    41         iDisplay = display;

    42     }

    43 

    44     public ESWTScalableGraphics(Display display, Rectangle canvasBounds)

    45     {

    46 				

    47         iSg = ScalableGraphics.createInstance();

    48         iDisplay = display;

    49         iCanvasBounds = canvasBounds;

    50     }

    51 

    52     public void setBounds(Rectangle canvasBounds)

    53     {

    54         iCanvasBounds = canvasBounds;

    55     }

    56 

    57     public void bindTarget(GC gc)

    58     {

    59 				

    60         iRealGC = gc;

    61         iBufferedImage = new Image(iDisplay, iCanvasBounds);

    62         iBufferGC = new GC(iBufferedImage);

    63         iSg.bindTarget(iBufferGC);

    64     }

    65 

    66     public void releaseTarget()

    67     {

    68     		

    69 

    70         iSg.releaseTarget();

    71         iBufferedImage.dispose();

    72         iBufferGC.dispose();

    73         /* iRealGC is disposed in paintControl */

    74         iRealGC = null;

    75     }

    76 

    77     public void render(int x, int y, ScalableImage image)

    78     {

    79     		

    80         iSg.render(x,y, image);

    81         iRealGC.drawImage(iBufferedImage, x, y);

    82     }

    83 

    84     public void setRenderingQuality(int mode)

    85     {

    86     		

    87         iSg.setRenderingQuality(mode);

    88     }

    89 

    90     public void setTransparency(float alpha)

    91     {

    92     		

    93         iSg.setTransparency(alpha);

    94     }

    95 }