/*
* $Id: JAIImage.java,v 1.2.2.1 2003/02/25 13:38:22 jeremias Exp $
* ============================================================================
* 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.image;
// Java
import java.net.URL;
import java.io.InputStream;
// AWT
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.BufferedImage;
// JAI
import javax.media.jai.JAI;
import javax.media.jai.RenderedOp;
// Sun codec
import com.sun.media.jai.codec.FileCacheSeekableStream;
// FOP
import org.apache.fop.datatypes.ColorSpace;
import org.apache.fop.pdf.PDFColor;
import org.apache.fop.image.analyser.ImageReader;
/**
* FopImage object using JAI.
* @author Eric SCHAEFFER
* @see AbstractFopImage
* @see FopImage
*/
public class JAIImage extends AbstractFopImage {
public JAIImage(URL href) throws FopImageException {
super(href);
}
public JAIImage(URL href,
ImageReader imgReader) throws FopImageException {
super(href, imgReader);
}
protected void loadImage() throws FopImageException {
try {
InputStream inputStream = this.m_href.openStream();
/*
* BufferedInputStream inputStream = this.m_imageReader.getInputStream();
* inputStream.reset();
*/
com.sun.media.jai.codec.FileCacheSeekableStream seekableInput =
new FileCacheSeekableStream(inputStream);
RenderedOp imageOp = JAI.create("stream", seekableInput);
this.m_height = imageOp.getHeight();
this.m_width = imageOp.getWidth();
ColorModel cm = imageOp.getColorModel();
this.m_bitsPerPixel = 8;
// this.m_bitsPerPixel = cm.getPixelSize();
this.m_colorSpace = new ColorSpace(ColorSpace.DEVICE_RGB);
BufferedImage imageData = imageOp.getAsBufferedImage();
int[] tmpMap = imageData.getRGB(0, 0, this.m_width,
this.m_height, null, 0,
this.m_width);
if (cm.hasAlpha()) {
int transparencyType =
cm.getTransparency(); // java.awt.Transparency. BITMASK or OPAQUE or TRANSLUCENT
if (transparencyType == java.awt.Transparency.OPAQUE) {
this.m_isTransparent = false;
} else if (transparencyType
== java.awt.Transparency.BITMASK) {
if (cm instanceof IndexColorModel) {
this.m_isTransparent = false;
byte[] alphas =
new byte[((IndexColorModel)cm).getMapSize()];
byte[] reds =
new byte[((IndexColorModel)cm).getMapSize()];
byte[] greens =
new byte[((IndexColorModel)cm).getMapSize()];
byte[] blues =
new byte[((IndexColorModel)cm).getMapSize()];
((IndexColorModel)cm).getAlphas(alphas);
((IndexColorModel)cm).getReds(reds);
((IndexColorModel)cm).getGreens(greens);
((IndexColorModel)cm).getBlues(blues);
for (int i = 0;
i < ((IndexColorModel)cm).getMapSize(); i++) {
if ((alphas[i] & 0xFF) == 0) {
this.m_isTransparent = true;
this.m_transparentColor =
new PDFColor((int)(reds[i] & 0xFF),
(int)(greens[i] & 0xFF),
(int)(blues[i] & 0xFF));
break;
}
}
} else {
// TRANSLUCENT
/*
* this.m_isTransparent = false;
* for (int i = 0; i < this.m_width * this.m_height; i++) {
* if (cm.getAlpha(tmpMap[i]) == 0) {
* this.m_isTransparent = true;
* this.m_transparentColor = new PDFColor(cm.getRed(tmpMap[i]), cm.getGreen(tmpMap[i]), cm.getBlue(tmpMap[i]));
* break;
* }
* }
* // or use special API...
*/
this.m_isTransparent = false;
}
} else {
this.m_isTransparent = false;
}
} else {
this.m_isTransparent = false;
}
// Should take care of the ColorSpace and bitsPerPixel
this.m_bitmapsSize = this.m_width * this.m_height * 3;
this.m_bitmaps = new byte[this.m_bitmapsSize];
for (int i = 0; i < this.m_height; i++) {
for (int j = 0; j < this.m_width; j++) {
int p = tmpMap[i * this.m_width + j];
int r = (p >> 16) & 0xFF;
int g = (p >> 8) & 0xFF;
int b = (p) & 0xFF;
this.m_bitmaps[3 * (i * this.m_width + j)] = (byte)(r
& 0xFF);
this.m_bitmaps[3 * (i * this.m_width + j) + 1] = (byte)(g
& 0xFF);
this.m_bitmaps[3 * (i * this.m_width + j) + 2] = (byte)(b
& 0xFF);
}
}
} catch (Exception ex) {
throw new FopImageException("Error while loading image "
+ this.m_href.toString() + " : "
+ ex.getClass() + " - "
+ ex.getMessage());
}
}
}