/* * $Id$ * ============================================================================ * The Apache Software License, Version 1.1 * ============================================================================ * * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without modifica- * tion, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The end-user documentation included with the redistribution, if any, must * include the following acknowledgment: "This product includes software * developed by the Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, if * and wherever such third-party acknowledgments normally appear. * * 4. The names "FOP" and "Apache Software Foundation" must not be used to * endorse or promote products derived from this software without prior * written permission. For written permission, please contact * apache@apache.org. * * 5. Products derived from this software may not be called "Apache", nor may * "Apache" appear in their name, without prior written permission of the * Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU- * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ============================================================================ * * This software consists of voluntary contributions made by many individuals * on behalf of the Apache Software Foundation and was originally created by * James Tauber <jtauber@jtauber.com>. For more information on the Apache * Software Foundation, please see <http://www.apache.org/>. */ package org.apache.fop.svg; import java.awt.Rectangle; import java.awt.GraphicsDevice; import java.awt.Transparency; import java.awt.image.ColorModel; import java.awt.geom.AffineTransform; import java.awt.image.BufferedImage; /** * Our implementation of the class that returns information about * roughly what we can handle and want to see (alpha for example). */ class PDFGraphicsConfiguration extends GraphicsConfiguration { // We use this to get a good colormodel.. private static final BufferedImage BI_WITH_ALPHA = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB); // We use this to get a good colormodel.. private static final BufferedImage BI_WITHOUT_ALPHA = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB); /** * Construct a buffered image with an alpha channel, unless * transparencty is OPAQUE (no alpha at all). * * @param width the width of the image * @param height the height of the image * @param transparency the alpha value of the image * @return the new buffered image */ public BufferedImage createCompatibleImage(int width, int height, int transparency) { if (transparency == Transparency.OPAQUE) { return new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); } else { return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); } } /** * Construct a buffered image with an alpha channel. * * @param width the width of the image * @param height the height of the image * @return the new buffered image */ public BufferedImage createCompatibleImage(int width, int height) { return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); } /** * FIXX ME: This should return the page bounds in Pts, * I couldn't figure out how to get this for the current * page from the PDFDocument (this still works for now, * but it should be fixed...). * * @return the bounds of the PDF document page */ public Rectangle getBounds() { System.out.println("getting getBounds"); return null; } /** * Return a good default color model for this 'device'. * @return the colour model for the configuration */ public ColorModel getColorModel() { return BI_WITH_ALPHA.getColorModel(); } /** * Return a good color model given <tt>transparency</tt> * * @param transparency the alpha value for the colour model * @return the colour model for the configuration */ public ColorModel getColorModel(int transparency) { if (transparency == Transparency.OPAQUE) { return BI_WITHOUT_ALPHA.getColorModel(); } else { return BI_WITH_ALPHA.getColorModel(); } } /** * The default transform (1:1). * * @return the default transform for the configuration */ public AffineTransform getDefaultTransform() { System.out.println("getting getDefaultTransform"); return new AffineTransform(); } /** * The normalizing transform (1:1) (since we currently * render images at 72dpi, which we might want to change * in the future). * * @return the normalizing transform for the configuration */ public AffineTransform getNormalizingTransform() { System.out.println("getting getNormalizingTransform"); return new AffineTransform(2, 0, 0, 2, 0, 0); } /** * Return our dummy instance of GraphicsDevice * * @return the PDF graphics device */ public GraphicsDevice getDevice() { return new PDFGraphicsDevice(this); } }