| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.render.pdf.pdfbox; |
| |
| import java.awt.Rectangle; |
| import java.awt.geom.AffineTransform; |
| import java.io.IOException; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import org.apache.xmlgraphics.image.loader.Image; |
| import org.apache.xmlgraphics.image.loader.ImageFlavor; |
| |
| import org.apache.fop.fonts.FontInfo; |
| import org.apache.fop.render.ImageHandler; |
| import org.apache.fop.render.RenderingContext; |
| import org.apache.fop.render.pdf.PDFContentGenerator; |
| import org.apache.fop.render.pdf.PDFRenderingContext; |
| |
| /** |
| * Implementation of the {@link ImageHandler} interfaces |
| * which can use PDFBox to parse an existing PDF file and write that to the |
| * target PDF as a Form XObject. |
| */ |
| public class PDFBoxImageHandler extends AbstractPDFBoxHandler implements ImageHandler { |
| |
| /** logging instance */ |
| protected static final Log log = LogFactory.getLog(PDFBoxImageHandler.class); |
| |
| private static final ImageFlavor[] FLAVORS = new ImageFlavor[] { |
| ImagePDF.PDFBOX_IMAGE |
| }; |
| |
| public void handleImage(RenderingContext context, Image image, Rectangle pos) throws IOException { |
| assert context instanceof PDFRenderingContext; |
| PDFRenderingContext pdfContext = (PDFRenderingContext)context; |
| PDFContentGenerator generator = pdfContext.getGenerator(); |
| assert image instanceof ImagePDF; |
| ImagePDF pdfImage = (ImagePDF)image; |
| |
| float x = (float)pos.getX() / 1000f; |
| float y = (float)pos.getY() / 1000f; |
| // float w = (float)pos.getWidth() / 1000f; |
| float h = (float)pos.getHeight() / 1000f; |
| |
| AffineTransform pageAdjust = new AffineTransform(); |
| AffineTransform at = generator.getAffineTransform(); |
| if (at != null) { |
| pageAdjust.setToTranslation( |
| (float)(generator.getState().getTransform().getTranslateX()), |
| (float)(generator.getState().getTransform().getTranslateY() - h - y)); |
| } |
| FontInfo fontinfo = (FontInfo)context.getHint("fontinfo"); |
| String stream = createStreamForPDF(pdfImage, pdfContext.getPage(), pdfContext.getUserAgent(), |
| pageAdjust, fontinfo, pos, pdfContext.getPageNumbers(), |
| pdfContext.getPdfLogicalStructureHandler(), pdfContext.getCurrentSessionStructElem()); |
| |
| if (stream == null) { |
| return; |
| } |
| if (pageAdjust.getScaleX() != 0) { |
| pageAdjust.translate(x * (1 / pageAdjust.getScaleX()), -y * (1 / -pageAdjust.getScaleY())); |
| } |
| generator.placeImage(pageAdjust, stream); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean isCompatible(RenderingContext targetContext, Image image) { |
| return (image == null || image instanceof ImagePDF) |
| && targetContext instanceof PDFRenderingContext; |
| } |
| |
| /** {@inheritDoc} */ |
| public int getPriority() { |
| //Before built-in handlers in case someone implements a PDF -> Graphics2D converter |
| return 50; |
| } |
| |
| /** {@inheritDoc} */ |
| public Class getSupportedImageClass() { |
| return ImagePDF.class; |
| } |
| |
| /** {@inheritDoc} */ |
| public ImageFlavor[] getSupportedImageFlavors() { |
| return FLAVORS.clone(); |
| } |
| |
| } |