jdk/src/share/classes/sun/print/PrinterGraphicsConfig.java
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     1 /*
       
     2  * Copyright 2004-2007 Sun Microsystems, Inc.  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.  Sun designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    22  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    23  * have any questions.
       
    24  */
       
    25 
       
    26 package sun.print;
       
    27 
       
    28 import java.awt.GraphicsConfiguration;
       
    29 import java.awt.GraphicsDevice;
       
    30 
       
    31 import java.awt.Rectangle;
       
    32 import java.awt.Transparency;
       
    33 import java.awt.geom.AffineTransform;
       
    34 import java.awt.image.BufferedImage;
       
    35 import java.awt.image.ColorModel;
       
    36 import java.awt.image.DirectColorModel;
       
    37 
       
    38 public class PrinterGraphicsConfig extends GraphicsConfiguration {
       
    39 
       
    40     static ColorModel theModel;
       
    41 
       
    42     GraphicsDevice gd;
       
    43     int pageWidth, pageHeight;
       
    44     AffineTransform deviceTransform;
       
    45 
       
    46     public PrinterGraphicsConfig(String printerID, AffineTransform deviceTx,
       
    47                                  int pageWid, int pageHgt) {
       
    48         this.pageWidth = pageWid;
       
    49         this.pageHeight = pageHgt;
       
    50         this.deviceTransform = deviceTx;
       
    51         this.gd = new PrinterGraphicsDevice(this, printerID);
       
    52     }
       
    53 
       
    54     /**
       
    55      * Return the graphics device associated with this configuration.
       
    56      */
       
    57     public GraphicsDevice getDevice() {
       
    58         return gd;
       
    59     }
       
    60 
       
    61     /**
       
    62      * Returns the color model associated with this configuration.
       
    63      */
       
    64     public ColorModel getColorModel() {
       
    65         if (theModel == null) {
       
    66             BufferedImage bufImg =
       
    67                 new BufferedImage(1,1, BufferedImage.TYPE_3BYTE_BGR);
       
    68             theModel = bufImg.getColorModel();
       
    69         }
       
    70 
       
    71         return theModel;
       
    72     }
       
    73 
       
    74     /**
       
    75      * Returns the color model associated with this configuration that
       
    76      * supports the specified transparency.
       
    77      */
       
    78     public ColorModel getColorModel(int transparency) {
       
    79         switch (transparency) {
       
    80         case Transparency.OPAQUE:
       
    81             return getColorModel();
       
    82         case Transparency.BITMASK:
       
    83             return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
       
    84         case Transparency.TRANSLUCENT:
       
    85             return ColorModel.getRGBdefault();
       
    86         default:
       
    87             return null;
       
    88         }
       
    89     }
       
    90 
       
    91     /**
       
    92      * Returns the default Transform for this configuration.  This
       
    93      * Transform is typically the Identity transform for most normal
       
    94      * screens.  Device coordinates for screen and printer devices will
       
    95      * have the origin in the upper left-hand corner of the target region of
       
    96      * the device, with X coordinates
       
    97      * increasing to the right and Y coordinates increasing downwards.
       
    98      * For image buffers, this Transform will be the Identity transform.
       
    99      */
       
   100     public AffineTransform getDefaultTransform() {
       
   101         return new AffineTransform(deviceTransform);
       
   102     }
       
   103 
       
   104     /**
       
   105      *
       
   106      * Returns a Transform that can be composed with the default Transform
       
   107      * of a Graphics2D so that 72 units in user space will equal 1 inch
       
   108      * in device space.
       
   109      * Given a Graphics2D, g, one can reset the transformation to create
       
   110      * such a mapping by using the following pseudocode:
       
   111      * <pre>
       
   112      *      GraphicsConfiguration gc = g.getGraphicsConfiguration();
       
   113      *
       
   114      *      g.setTransform(gc.getDefaultTransform());
       
   115      *      g.transform(gc.getNormalizingTransform());
       
   116      * </pre>
       
   117      * Note that sometimes this Transform will be identity (e.g. for
       
   118      * printers or metafile output) and that this Transform is only
       
   119      * as accurate as the information supplied by the underlying system.
       
   120      * For image buffers, this Transform will be the Identity transform,
       
   121      * since there is no valid distance measurement.
       
   122      */
       
   123     public AffineTransform getNormalizingTransform() {
       
   124         return new AffineTransform();
       
   125     }
       
   126 
       
   127     public Rectangle getBounds() {
       
   128         return new Rectangle(0, 0, pageWidth, pageHeight);
       
   129     }
       
   130 }