/*

 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.awt;

import java.awt.GraphicsConfiguration;

import java.awt.Rectangle;

import java.awt.Transparency;

import java.awt.geom.AffineTransform;

import java.awt.image.ColorModel;

import sun.java2d.SurfaceData;

import sun.java2d.opengl.CGLLayer;

import sun.lwawt.LWGraphicsConfig;

import sun.lwawt.macosx.CPlatformView;

public abstract class CGraphicsConfig extends GraphicsConfiguration

        implements LWGraphicsConfig {

    private final CGraphicsDevice device;

    private ColorModel colorModel;

    protected CGraphicsConfig(CGraphicsDevice device) {

        this.device = device;

    }

    @Override

    public final Rectangle getBounds() {

        return device.getBounds();

    }

    @Override

    public ColorModel getColorModel() {

        if (colorModel == null) {

            colorModel = getColorModel(Transparency.OPAQUE);

        }

        return colorModel;

    }

    @Override

    public AffineTransform getDefaultTransform() {

        double scaleFactor = device.getScaleFactor();

        return AffineTransform.getScaleInstance(scaleFactor, scaleFactor);

    }

    @Override

    public CGraphicsDevice getDevice() {

        return device;

    }

    @Override

    public AffineTransform getNormalizingTransform() {

        double xscale = device.getXResolution() / 72.0;

        double yscale = device.getYResolution() / 72.0;

        return new AffineTransform(xscale, 0.0, 0.0, yscale, 0.0, 0.0);

    }

    /**

     * Creates a new SurfaceData that will be associated with the given

     * LWWindowPeer.

     */

    public abstract SurfaceData createSurfaceData(CPlatformView pView);

    /**

     * Creates a new SurfaceData that will be associated with the given

     * CGLLayer.

     */

    @Override

    public final boolean isTranslucencyCapable() {

        //we know for sure we have capable config :)

        return true;

    }

}