/*

* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

* 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 javax.microedition.m3g;

import javax.microedition.lcdui.Image;

import org.eclipse.swt.graphics.*;

import org.eclipse.swt.internal.qt.graphics.*;

import com.nokia.mj.impl.nokialcdui.LCDUIInvoker;

import org.eclipse.swt.widgets.Internal_PackageSupport;

public class Image2D extends Object3D

{

    //------------------------------------------------------------------

    // Static data

    //------------------------------------------------------------------

    public static final int ALPHA               = 96;

    public static final int LUMINANCE           = 97;

    public static final int LUMINANCE_ALPHA     = 98;

    public static final int RGB                 = 99;

    public static final int RGBA                = 100;

    static int tempHandle;

    //------------------------------------------------------------------

    // Constructor(s)

    //------------------------------------------------------------------

    public Image2D(int format, Object image)

    {

        // If image is instance of lcdui.Image then checkAndCreate

        // builds the image and returns the handle to native image,

        // otherwise throws exception Done this way because class of

        // image cannot be checked befor calling super()

        super(Image2D.checkAndCreate(format, image));

    }

    public Image2D(int format, int width, int height, byte[] image)

    {

        super(createHandle(format, width, height, image));

    }

    public Image2D(int format,

                   int width, int height,

                   byte[] image,

                   byte[] palette)

    {

        super(createHandle(format, width, height, image, palette));

    }

    public Image2D(int format, int width, int height)

    {

        super(createHandle(format, width, height));

    }

    Image2D(int handle)

    {

        super(handle);

    }

    //------------------------------------------------------------------

    // Public methods

    //------------------------------------------------------------------

    public void set(int x, int y, int width, int height, byte[] image)

    {

        if (image == null)

        {

            throw new NullPointerException();

        }

        _set(handle, x, y, width, height, image);

    }

    public boolean isMutable()

    {

        return _isMutable(handle);

    }

    public int getFormat()

    {

        return _getFormat(handle);

    }

    public int getWidth()

    {

        return _getWidth(handle);

    }

    public int getHeight()

    {

        return _getHeight(handle);

    }

    //------------------------------------------------------------------

    // Private methods

    //------------------------------------------------------------------

    private static int checkAndCreate(int format, Object image)

    {

        if (image == null)

        {

            throw new NullPointerException();

        }

        if (!(image instanceof javax.microedition.lcdui.Image) &&

                !(image instanceof org.eclipse.swt.graphics.Image))

        {

            throw new IllegalArgumentException();

        }

        final int finalFormat = format;

        tempHandle = 0;

        if (image instanceof org.eclipse.swt.graphics.Image)

        {

            // get internal image

            final org.eclipse.swt.internal.qt.graphics.Image cgfxImage = 

                    Internal_GfxPackageSupport.getImage((org.eclipse.swt.graphics.Image)image);

            // excute in UI thread

            Platform.executeInUIThread(

                new M3gRunnable()

            {

                void doRun()

                {

                    tempHandle = _ctorImage(Interface.getHandle(), finalFormat, cgfxImage.getHandle());

                }

            });

        }

        else if (image instanceof javax.microedition.lcdui.Image)

        {

            final org.eclipse.swt.internal.qt.graphics.Image cgfxImage =

                    Internal_GfxPackageSupport.getImage(

                            LCDUIInvoker.getEswtImage( (javax.microedition.lcdui.Image)image ) );

            // excute in UI thread

            Platform.executeInUIThread(

                new M3gRunnable()

            {

                void doRun()

                {

                    tempHandle = _ctorImage(Interface.getHandle(), finalFormat, cgfxImage.getHandle());

                }

            });

        }

        return tempHandle;

    }

    //Platform.heuristicGC();

    //ToolkitInvoker invoker = ToolkitInvoker.getToolkitInvoker();

    // Decide if trueAlpha

    //Image i = (Image)image;

    //boolean trueAlpha = !(i.isMutable() && format == ALPHA);

    //Platform.sync((Image) image);

//        Platform.getUIThread().syncExec(

//                    new Runnable() {

//                        public void run() {

//                                               tempHandle = _ctorImage(/*Interface.getEventSourceHandle(),*/ Interface.getHandle(), finalFormat, /*invoker.imageGetHandle(image)*/ 5);

//                                          }

//                                  });

//          return tempHandle;

    private static int createHandle(int format, int width, int height, byte[] image)

    {

        Platform.heuristicGC();

        return _ctorSizePixels(Interface.getHandle(),

                               format,

                               width, height,

                               image);

    }

    private static int createHandle(int format,

                                    int width, int height,

                                    byte[] image,

                                    byte[] palette)

    {

        Platform.heuristicGC();

        return _ctorSizePixelsPalette(Interface.getHandle(),

                                      format,

                                      width, height,

                                      image, palette);

    }

    private static int createHandle(int format, int width, int height)

    {

        Platform.heuristicGC();

        return _ctorSize(Interface.getHandle(), format, width, height);

    }

    // Native methods

    private native static int _ctorImage(/*int eventSourceHandle,*/

        int hInterface,

        int format,

        int imageHandle);

    private native static int _ctorSizePixels(int hInterface,

            int format,

            int width, int height,

            byte[] image);

    private native static int _ctorSizePixelsPalette(int hInterface,

            int format,

            int width, int height,

            byte[] image,

            byte[] palette);

    private native static int _ctorSize(int hInterface,

                                        int format,

                                        int width, int height);

    private native static void _set(int handle, int x, int y, int width,

                                    int height, byte[] image);

    private native static boolean _isMutable(int handle);

    private native static int _getFormat(int handle);

    private native static int _getWidth(int handle);

    private native static int _getHeight(int handle);

}