1 /*
   2  * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.awt;
  27 
  28 import java.awt.GraphicsConfiguration;
  29 import java.awt.Rectangle;
  30 import java.awt.Transparency;
  31 import java.awt.geom.AffineTransform;
  32 import java.awt.image.BufferedImage;
  33 import java.awt.image.ColorModel;
  34 
  35 import sun.java2d.SurfaceData;
  36 import sun.java2d.opengl.CGLLayer;
  37 import sun.lwawt.LWGraphicsConfig;
  38 import sun.lwawt.macosx.CFRetainedResource;
  39 import sun.lwawt.macosx.CPlatformView;
  40 
  41 public abstract class CGraphicsConfig extends GraphicsConfiguration
  42         implements LWGraphicsConfig {
  43 
  44     private final CGraphicsDevice device;
  45     private ColorModel colorModel;
  46 
  47     protected CGraphicsConfig(CGraphicsDevice device) {
  48         this.device = device;
  49     }
  50 
  51     @Override
  52     public BufferedImage createCompatibleImage(int width, int height) {
  53         throw new UnsupportedOperationException("not implemented");
  54     }
  55 
  56     @Override
  57     public final Rectangle getBounds() {
  58         return device.getBounds();
  59     }
  60 
  61     @Override
  62     public ColorModel getColorModel() {
  63         if (colorModel == null) {
  64             colorModel = getColorModel(Transparency.OPAQUE);
  65         }
  66         return colorModel;
  67     }
  68 
  69     @Override
  70     public ColorModel getColorModel(int transparency) {
  71         throw new UnsupportedOperationException("not implemented");
  72     }
  73 
  74     @Override
  75     public AffineTransform getDefaultTransform() {
  76         double scaleFactor = device.getScaleFactor();
  77         return AffineTransform.getScaleInstance(scaleFactor, scaleFactor);
  78     }
  79 
  80     @Override
  81     public CGraphicsDevice getDevice() {
  82         return device;
  83     }
  84 
  85     @Override
  86     public AffineTransform getNormalizingTransform() {
  87         double xscale = device.getXResolution() / 72.0;
  88         double yscale = device.getYResolution() / 72.0;
  89         return new AffineTransform(xscale, 0.0, 0.0, yscale, 0.0, 0.0);
  90     }
  91 
  92     /**
  93      * Creates a new SurfaceData that will be associated with the given
  94      * LWWindowPeer.
  95      */
  96     public abstract SurfaceData createSurfaceData(CPlatformView pView);
  97 
  98     /**
  99      * Creates a new SurfaceData that will be associated with the given
 100      * CGLLayer.
 101      */
 102     public abstract SurfaceData createSurfaceData(CFRetainedResource layer);
 103 
 104     @Override
 105     public final boolean isTranslucencyCapable() {
 106         //we know for sure we have capable config :)
 107         return true;
 108     }
 109 }