/*

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.microedition.m2g;

import javax.microedition.m2g.ScalableGraphics;

import javax.microedition.m2g.ScalableImage;

import org.eclipse.swt.graphics.GC;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.graphics.Rectangle;

import org.eclipse.swt.widgets.*;

public class ESWTScalableGraphics

{

    Display iDisplay = null;

    Rectangle iCanvasBounds = null;

    ScalableGraphics iSg = null;

    GC iBufferGC = null;

    GC iRealGC = null;

    Image iBufferedImage = null;

    public ESWTScalableGraphics(Display display)

    {

        iSg = ScalableGraphics.createInstance();

        iDisplay = display;

    }

    public ESWTScalableGraphics(Display display, Rectangle canvasBounds)

    {

        iSg = ScalableGraphics.createInstance();

        iDisplay = display;

        iCanvasBounds = canvasBounds;

    }

    public void setBounds(Rectangle canvasBounds)

    {

        iCanvasBounds = canvasBounds;

    }

    public void bindTarget(GC gc)

    {

        iRealGC = gc;

        iBufferedImage = new Image(iDisplay, iCanvasBounds);

        iBufferGC = new GC(iBufferedImage);

        iSg.bindTarget(iBufferGC);

    }

    public void releaseTarget()

    {

        iSg.releaseTarget();

        iBufferedImage.dispose();

        iBufferGC.dispose();

        /* iRealGC is disposed in paintControl */

        iRealGC = null;

    }

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

    {

        iSg.render(x,y, image);

        iRealGC.drawImage(iBufferedImage, x, y);

    }

    public void setRenderingQuality(int mode)

    {

        iSg.setRenderingQuality(mode);

    }

    public void setTransparency(float alpha)

    {

        iSg.setTransparency(alpha);

    }

}