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/*
* $Id$
* ============================================================================
* 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);
}
}
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