From 32f31beb09c86878630ed3b0c935107fffc85a83 Mon Sep 17 00:00:00 2001 From: eschaeffer Date: Tue, 28 Nov 2000 16:05:08 +0000 Subject: [PATCH] FopImage class that uses JAI. PR: Obtained from: Submitted by: Reviewed by: git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@193844 13f79535-47bb-0310-9956-ffa450edef68 --- src/org/apache/fop/image/JAIImage.java | 179 +++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 src/org/apache/fop/image/JAIImage.java diff --git a/src/org/apache/fop/image/JAIImage.java b/src/org/apache/fop/image/JAIImage.java new file mode 100644 index 000000000..e6a122db6 --- /dev/null +++ b/src/org/apache/fop/image/JAIImage.java @@ -0,0 +1,179 @@ +/* + ============================================================================ + The Apache Software License, Version 1.1 + ============================================================================ + Copyright (C) 1999 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 . For more information on the Apache + Software Foundation, please see . + */ + +package org.apache.fop.image; + +// Java +import java.net.URL; +import java.io.InputStream; +import java.io.BufferedInputStream; + +// 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()); + } + } +} + -- 2.39.5