126 lines
4.5 KiB
Java
126 lines
4.5 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.stress;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import java.awt.Dimension;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import org.apache.poi.sl.draw.DrawFactory;
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import org.apache.poi.sl.usermodel.PictureData;
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import org.apache.poi.sl.usermodel.Shape;
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import org.apache.poi.sl.usermodel.ShapeContainer;
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import org.apache.poi.sl.usermodel.Slide;
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import org.apache.poi.sl.usermodel.SlideShow;
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import org.apache.poi.sl.usermodel.SlideShowFactory;
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import org.apache.poi.sl.usermodel.TextParagraph;
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import org.apache.poi.sl.usermodel.TextRun;
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import org.apache.poi.sl.usermodel.TextShape;
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public abstract class SlideShowHandler extends POIFSFileHandler {
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public void handleSlideShow(SlideShow<?,?> ss) throws IOException {
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renderSlides(ss);
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readContent(ss);
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readPictures(ss);
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// write out the file
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ByteArrayOutputStream out = writeToArray(ss);
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readContent(ss);
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// read in the written file
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SlideShow<?,?> read = SlideShowFactory.create(new ByteArrayInputStream(out.toByteArray()));
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try {
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assertNotNull(read);
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readContent(read);
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} finally {
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read.close();
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}
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}
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private ByteArrayOutputStream writeToArray(SlideShow<?,?> ss) throws IOException {
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ByteArrayOutputStream stream = new ByteArrayOutputStream();
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try {
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ss.write(stream);
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} finally {
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stream.close();
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}
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return stream;
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}
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private void readContent(SlideShow<?,?> ss) {
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for (Slide<?,?> s : ss.getSlides()) {
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s.getTitle();
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readText(s);
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readText(s.getNotes());
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readText(s.getMasterSheet());
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}
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}
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private void readText(ShapeContainer<?,?> sc) {
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if (sc == null) return;
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for (Shape<?,?> s : sc) {
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if (s instanceof TextShape) {
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for (TextParagraph<?,?,?> tp : (TextShape<?,?>)s) {
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for (TextRun tr : tp) {
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tr.getRawText();
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}
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}
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}
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}
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}
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private void readPictures(SlideShow<?,?> ss) {
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for (PictureData pd : ss.getPictureData()) {
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Dimension dim = pd.getImageDimension();
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assertTrue(dim.getHeight() >= 0);
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assertTrue(dim.getWidth() >= 0);
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}
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}
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private void renderSlides(SlideShow<?,?> ss) {
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Dimension pgsize = ss.getPageSize();
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for (Slide<?,?> s : ss.getSlides()) {
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BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_ARGB);
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Graphics2D graphics = img.createGraphics();
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DrawFactory.getInstance(graphics).fixFonts(graphics);
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// default rendering options
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graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
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graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
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// draw stuff
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s.draw(graphics);
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graphics.dispose();
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img.flush();
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}
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}
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} |