| /* |
| * 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.Dimension; |
| import java.awt.Graphics2D; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Rectangle2D; |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.pdfbox.pdmodel.PDDocument; |
| import org.apache.pdfbox.pdmodel.PDPage; |
| import org.apache.pdfbox.pdmodel.common.PDRectangle; |
| import org.apache.pdfbox.rendering.PDFRenderer; |
| |
| import org.apache.xmlgraphics.image.loader.Image; |
| import org.apache.xmlgraphics.image.loader.ImageException; |
| import org.apache.xmlgraphics.image.loader.ImageFlavor; |
| import org.apache.xmlgraphics.image.loader.impl.AbstractImageConverter; |
| import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D; |
| import org.apache.xmlgraphics.image.loader.util.ImageUtil; |
| import org.apache.xmlgraphics.java2d.GeneralGraphics2DImagePainter; |
| import org.apache.xmlgraphics.java2d.Graphics2DImagePainter; |
| import org.apache.xmlgraphics.ps.PSGenerator; |
| |
| /** |
| * Image converter implementation to convert PDF pages into Java2D images. |
| */ |
| public class ImageConverterPDF2G2D extends AbstractImageConverter { |
| |
| /** {@inheritDoc} */ |
| public Image convert(Image src, Map hints) throws ImageException, |
| IOException { |
| checkSourceFlavor(src); |
| assert src instanceof ImagePDF; |
| ImagePDF imgPDF = (ImagePDF)src; |
| |
| final int selectedPage = ImageUtil.needPageIndexFromURI( |
| src.getInfo().getOriginalURI()); |
| |
| PDDocument pddoc = imgPDF.getPDDocument(); |
| |
| Graphics2DImagePainter painter = |
| new Graphics2DImagePainterPDF(pddoc, selectedPage, imgPDF.getInfo().getOriginalURI()); |
| |
| ImageGraphics2D g2dImage = new ImageGraphics2D(src.getInfo(), painter); |
| return g2dImage; |
| } |
| |
| /** {@inheritDoc} */ |
| public ImageFlavor getSourceFlavor() { |
| return ImagePDF.PDFBOX_IMAGE; |
| } |
| |
| /** {@inheritDoc} */ |
| public ImageFlavor getTargetFlavor() { |
| return ImageFlavor.GRAPHICS2D; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int getConversionPenalty() { |
| return 1000; //Use only if no native embedding is possible |
| } |
| |
| private static class Graphics2DImagePainterPDF implements GeneralGraphics2DImagePainter { |
| |
| private final PDPage page; |
| private final PDDocument pdDocument; |
| private int selectedPage; |
| private String uri; |
| |
| public Graphics2DImagePainterPDF(PDDocument pddoc, int selectedPage, String uri) { |
| pdDocument = pddoc; |
| this.selectedPage = selectedPage; |
| page = pdDocument.getPage(selectedPage); |
| this.uri = uri; |
| } |
| |
| /** {@inheritDoc} */ |
| public Dimension getImageSize() { |
| PDRectangle mediaBox = page.getMediaBox(); |
| int wmpt = (int)Math.ceil(mediaBox.getWidth() * 1000); |
| int hmpt = (int)Math.ceil(mediaBox.getHeight() * 1000); |
| return new Dimension(wmpt, hmpt); |
| } |
| |
| /** {@inheritDoc} */ |
| public void paint(Graphics2D g2d, Rectangle2D area) { |
| try { |
| PDRectangle mediaBox = page.getCropBox(); |
| AffineTransform at = new AffineTransform(); |
| int rotation = page.getRotation(); |
| if (rotation == 90 || rotation == 270) { |
| at.scale(area.getWidth() / area.getHeight(), area.getHeight() / area.getWidth()); |
| } |
| at.translate(area.getX(), area.getY()); |
| at.scale(area.getWidth() / mediaBox.getWidth(), |
| area.getHeight() / mediaBox.getHeight()); |
| g2d.transform(at); |
| new PDFRenderer(pdDocument).renderPageToGraphics(selectedPage, g2d); |
| } catch (Throwable t) { |
| throw new RuntimeException("Error while painting PDF page: " + uri + " " + t.getMessage(), t); |
| } |
| } |
| |
| public Graphics2D getGraphics(boolean textAsShapes, PSGenerator gen) { |
| PSPDFGraphics2D graphics = new PSPDFGraphics2D(textAsShapes, gen); |
| return graphics; |
| } |
| } |
| |
| } |