Java example source code file (CPrinterGraphicsConfig.java)

This example Java source code file (CPrinterGraphicsConfig.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

affinetransform, awt, bufferedimage, colormodel, cprinterdevice, cprintergraphicsconfig, geometry, graphicsconfiguration, graphicsdevice, image, pageformat, print, printing, rectangle, volatileimage

The CPrinterGraphicsConfig.java Java example source code

/*
 * Copyright (c) 2011, 2012, 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.lwawt.macosx;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import java.awt.print.*;

public class CPrinterGraphicsConfig extends GraphicsConfiguration {
    public static CPrinterGraphicsConfig getConfig(PageFormat pf) {
        return new CPrinterGraphicsConfig(pf);
    }

    GraphicsDevice gd;
    PageFormat pf;

    public CPrinterGraphicsConfig(PageFormat pf) {
        this.gd = new CPrinterDevice(this);
        this.pf = pf;
    }

    public PageFormat getPageFormat() {
        return pf;
    }

    /**
     * Returns the {@link GraphicsDevice} associated with this
     * <code>GraphicsConfiguration.
     * @return a <code>GraphicsDevice object that is
     * associated with this <code>GraphicsConfiguration.
     */
    public GraphicsDevice getDevice() {
        return gd;
    }

    /**
     * Returns a {@link BufferedImage} with a data layout and color model
     * compatible with this <code>GraphicsConfiguration.  This
     * method has nothing to do with memory-mapping
     * a device.  The returned <code>BufferedImage has
     * a layout and color model that is closest to this native device
     * configuration and can therefore be optimally blitted to this
     * device.
     * @param width the width of the returned <code>BufferedImage
     * @param height the height of the returned <code>BufferedImage
     * @return a <code>BufferedImage whose data layout and color
     * model is compatible with this <code>GraphicsConfiguration.
     */
    public BufferedImage createCompatibleImage(int width, int height) {
        return createCompatibleImage(width, height, Transparency.OPAQUE);
    }

    /**
     * Returns a {@link VolatileImage} with a data layout and color model
     * compatible with this <code>GraphicsConfiguration.
     * The returned <code>VolatileImage
     * may have data that is stored optimally for the underlying graphics
     * device and may therefore benefit from platform-specific rendering
     * acceleration.
     * @param width the width of the returned <code>VolatileImage
     * @param height the height of the returned <code>VolatileImage
     * @return a <code>VolatileImage whose data layout and color
     * model is compatible with this <code>GraphicsConfiguration.
     * @see Component#createVolatileImage(int, int)
     */
    public VolatileImage createCompatibleVolatileImage(int width, int height) {
        return createCompatibleVolatileImage(width, height, Transparency.OPAQUE);
    }

    // empty implementation (this should not be called)
    public VolatileImage createCompatibleVolatileImage(int width, int height, int transparency) {
        return null;
    }

    /**
     * Returns a <code>BufferedImage that supports the specified
     * transparency and has a data layout and color model
     * compatible with this <code>GraphicsConfiguration.  This
     * method has nothing to do with memory-mapping
     * a device. The returned <code>BufferedImage has a layout and
     * color model that can be optimally blitted to a device
     * with this <code>GraphicsConfiguration.
     * @param width the width of the returned <code>BufferedImage
     * @param height the height of the returned <code>BufferedImage
     * @param transparency the specified transparency mode
     * @return a <code>BufferedImage whose data layout and color
     * model is compatible with this <code>GraphicsConfiguration
     * and also supports the specified transparency.
     * @see Transparency#OPAQUE
     * @see Transparency#BITMASK
     * @see Transparency#TRANSLUCENT
     */
    public BufferedImage createCompatibleImage(int width, int height, int transparency) {
        //+++gdb what to do?
        return null;
    }

    /**
     * Returns the {@link ColorModel} associated with this
     * <code>GraphicsConfiguration.
     * @return a <code>ColorModel object that is associated with
     * this <code>GraphicsConfiguration.
     */
    public ColorModel getColorModel() {
        return getColorModel(Transparency.OPAQUE);
    }

    /**
     * Returns the <code>ColorModel associated with this
     * <code>GraphicsConfiguration that supports the specified
     * transparency.
     * @param transparency the specified transparency mode
     * @return a <code>ColorModel object that is associated with
     * this <code>GraphicsConfiguration and supports the
     * specified transparency.
     */
    public ColorModel getColorModel(int transparency) {
        return ColorModel.getRGBdefault();
    }

    /**
     * Returns the default {@link AffineTransform} for this
     * <code>GraphicsConfiguration. This
     * <code>AffineTransform is typically the Identity transform
     * for most normal screens.  The default <code>AffineTransform
     * maps coordinates onto the device such that 72 user space
     * coordinate units measure approximately 1 inch in device
     * space.  The normalizing transform can be used to make
     * this mapping more exact.  Coordinates in the coordinate space
     * defined by the default <code>AffineTransform for screen and
     * printer devices have the origin in the upper left-hand corner of
     * the target region of the device, with X coordinates
     * increasing to the right and Y coordinates increasing downwards.
     * For image buffers not associated with a device, such as those not
     * created by <code>createCompatibleImage,
     * this <code>AffineTransform is the Identity transform.
     * @return the default <code>AffineTransform for this
     * <code>GraphicsConfiguration.
     */
    public AffineTransform getDefaultTransform() {
        return new AffineTransform();
    }

    /**
     *
     * Returns a <code>AffineTransform that can be concatenated
     * with the default <code>AffineTransform
     * of a <code>GraphicsConfiguration so that 72 units in user
     * space equals 1 inch in device space.
     * <p>
     * For a particular {@link Graphics2D}, g, one
     * can reset the transformation to create
     * such a mapping by using the following pseudocode:
     * <pre>
     *      GraphicsConfiguration gc = g.getGraphicsConfiguration();
     *
     *      g.setTransform(gc.getDefaultTransform());
     *      g.transform(gc.getNormalizingTransform());
     * </pre>
     * Note that sometimes this <code>AffineTransform is identity,
     * such as for printers or metafile output, and that this
     * <code>AffineTransform is only as accurate as the information
     * supplied by the underlying system.  For image buffers not
     * associated with a device, such as those not created by
     * <code>createCompatibleImage, this
     * <code>AffineTransform is the Identity transform
     * since there is no valid distance measurement.
     * @return an <code>AffineTransform to concatenate to the
     * default <code>AffineTransform so that 72 units in user
     * space is mapped to 1 inch in device space.
     */
    public AffineTransform getNormalizingTransform() {
        return new AffineTransform();
    }

    /**
     * Returns the bounds of the <code>GraphicsConfiguration
     * in the device coordinates. In a multi-screen environment
     * with a virtual device, the bounds can have negative X
     * or Y origins.
     * @return the bounds of the area covered by this
     * <code>GraphicsConfiguration.
     * @since 1.3
     */
    public Rectangle getBounds() {
        return new Rectangle(0, 0, (int)pf.getWidth(), (int)pf.getHeight());
    }
}