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/* QtScreenDeviceConfiguration.java --

   Copyright (C)  2005, 2006  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath 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

General Public License for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package gnu.java.awt.peer.qt;

import java.awt.ImageCapabilities;

import java.awt.GraphicsConfiguration;

import java.awt.GraphicsDevice;

import java.awt.Rectangle;

import java.awt.image.BufferedImage;

import java.awt.image.ColorModel;

import java.awt.image.VolatileImage;

import java.awt.geom.AffineTransform;

public class QtScreenDeviceConfiguration extends GraphicsConfiguration {

  private QtScreenDevice owner;

  private Rectangle bounds;

  private double dpiX, dpiY;

  private int depth;

  public QtScreenDeviceConfiguration(QtScreenDevice owner)

  {

    this.owner = owner;

    bounds = owner.getBounds();

    dpiX = owner.getDpiX();

    dpiY = owner.getDpiY();

    depth = owner.depth();

  }

  public BufferedImage createCompatibleImage(int width, int height)

  {

    switch( depth )

      {

      case 24:

        return new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);

      case 16:

        return new BufferedImage(width, height,

                                 BufferedImage.TYPE_USHORT_565_RGB);

      case 8:

        return new BufferedImage(width, height, BufferedImage.TYPE_BYTE_INDEXED);

      default:

      case 32:

        return new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

      }

  }

  public BufferedImage createCompatibleImage(int width, int height, int transparency)

  {

    // FIXME: Take the transpareny flag into account?

    // For now, ignore it and just use an alpha channel.

    if(depth == 32)

      return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    return createCompatibleImage(width, height);

  }

  public VolatileImage createCompatibleVolatileImage(int width, int height)

  {

    return new QtVolatileImage( width, height );

  }

  public VolatileImage createCompatibleVolatileImage(int width, int height,

                                                     ImageCapabilities caps)

  {

    return createCompatibleVolatileImage( width, height );

  }

  public Rectangle getBounds()

  {

    return bounds;

  }

  public ColorModel getColorModel()

  {

    // FIXME?

    return QtToolkit.getDefaultToolkit().getColorModel();

  }

  public ColorModel getColorModel(int transparency)

  {

    // FIXME?

    return QtToolkit.getDefaultToolkit().getColorModel();

  }

  public AffineTransform getDefaultTransform()

  {

    return new AffineTransform();

  }

  public GraphicsDevice getDevice()

  {

    return owner;

  }

  /**

   * Returns the transform which transforms from this display's resolution

   * to a 72 DPI resolution.

   */

  public AffineTransform getNormalizingTransform()

  {

    AffineTransform nTrans = new AffineTransform();

    nTrans.scale( 72.0 / dpiX, 72.0 / dpiY );

    return nTrans;

  }

  public VolatileImage createCompatibleVolatileImage(int width, int height,

                                                     int transparency)

  {

    return createCompatibleVolatileImage(width, height);

  }

}