001/* =====================================================================
002 * JFreePDF : a fast, light-weight PDF library for the Java(tm) platform
003 * =====================================================================
004 *
005 * (C)opyright 2013-2022, by David Gilbert.  All rights reserved.
006 *
007 * https://github.com/jfree/orsonpdf
008 *
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as published by
011 * the Free Software Foundation, either version 3 of the License, or
012 * (at your option) any later version.
013 *
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 *
019 * You should have received a copy of the GNU General Public License
020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
021 *
022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
023 * Other names may be trademarks of their respective owners.]
024 *
025 * If you do not wish to be bound by the terms of the GPL, an alternative
026 * runtime license is available to JFree sponsors:
027 *
028 * https://github.com/sponsors/jfree
029 *
030 */
031
032package org.jfree.pdf;
033
034import java.awt.AWTException;
035import java.awt.GraphicsConfiguration;
036import java.awt.GraphicsDevice;
037import java.awt.ImageCapabilities;
038import java.awt.Rectangle;
039import java.awt.Transparency;
040import java.awt.geom.AffineTransform;
041import java.awt.image.BufferedImage;
042import java.awt.image.ColorModel;
043import java.awt.image.DirectColorModel;
044import java.awt.image.VolatileImage;
045
046/**
047 * A graphics configuration for the {@link PDFGraphics2D} class.
048 */
049public class PDFGraphicsConfiguration extends GraphicsConfiguration {
050
051    private GraphicsDevice device;
052    
053    private int width, height;
054    
055    /**
056     * Creates a new instance.
057     * 
058     * @param width  the width of the bounds.
059     * @param height  the height of the bounds.
060     */
061    public PDFGraphicsConfiguration(int width, int height) {
062      super(); 
063      this.width = width;
064      this.height = height;
065    }
066    
067    /**
068     * Returns the graphics device that this configuration is associated with.
069     * 
070     * @return The graphics device (never {@code null}).
071     */
072    @Override
073    public GraphicsDevice getDevice() {
074        if (this.device == null) {
075            this.device = new PDFGraphicsDevice("JFreePDF-GraphicsDevice", 
076                    this);
077        }
078        return this.device;
079    }
080
081    /**
082     * Returns the color model for this configuration.
083     * 
084     * @return The color model.
085     */
086    @Override
087    public ColorModel getColorModel() {
088        return getColorModel(Transparency.TRANSLUCENT);
089    }
090
091    /**
092     * Returns the color model for the specified transparency type, or 
093     * {@code null}.
094     * 
095     * @param transparency  the transparency type.
096     * 
097     * @return A color model (possibly {@code null}).
098     */
099    @Override
100    public ColorModel getColorModel(int transparency) {
101        if (transparency == Transparency.TRANSLUCENT) {
102            return ColorModel.getRGBdefault();
103        } else if (transparency == Transparency.OPAQUE) {
104            return new DirectColorModel(32, 0x00ff0000, 0x0000ff00, 0x000000ff);
105        } else {
106            return null;
107        }
108    }
109
110    /**
111     * Returns the default transform.
112     * 
113     * @return The default transform. 
114     */
115    @Override
116    public AffineTransform getDefaultTransform() {
117        return new AffineTransform();
118    }
119
120    /**
121     * Returns the normalizing transform.
122     * 
123     * @return The normalizing transform. 
124     */
125    @Override
126    public AffineTransform getNormalizingTransform() {
127        return new AffineTransform();
128    }
129    
130    /**
131     * Returns the bounds for this configuration.
132     * 
133     * @return The bounds. 
134     */
135    @Override
136    public Rectangle getBounds() {
137        return new Rectangle(this.width, this.height);
138    }
139        
140    private BufferedImage img = new BufferedImage(10, 10, 
141            BufferedImage.TYPE_INT_ARGB);
142    
143    @Override
144    public VolatileImage createCompatibleVolatileImage(int width, int height, 
145            ImageCapabilities caps, int transparency) throws AWTException {
146        return img.createGraphics().getDeviceConfiguration()
147                .createCompatibleVolatileImage(width, height, caps, 
148                        transparency);
149    }
150
151}