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- /* ====================================================================
- 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.
- ==================================================================== */
- package org.apache.poi.stress;
-
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertTrue;
-
- import java.awt.Dimension;
- import java.awt.Graphics2D;
- import java.awt.RenderingHints;
- import java.awt.image.BufferedImage;
- import java.io.ByteArrayInputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.IOException;
-
- import org.apache.poi.sl.draw.DrawFactory;
- import org.apache.poi.sl.usermodel.PictureData;
- import org.apache.poi.sl.usermodel.Shape;
- import org.apache.poi.sl.usermodel.ShapeContainer;
- import org.apache.poi.sl.usermodel.Slide;
- import org.apache.poi.sl.usermodel.SlideShow;
- import org.apache.poi.sl.usermodel.SlideShowFactory;
- import org.apache.poi.sl.usermodel.TextParagraph;
- import org.apache.poi.sl.usermodel.TextRun;
- import org.apache.poi.sl.usermodel.TextShape;
-
- public abstract class SlideShowHandler extends POIFSFileHandler {
- public void handleSlideShow(SlideShow<?,?> ss) throws IOException {
- renderSlides(ss);
-
- readContent(ss);
- readPictures(ss);
-
- // write out the file
- ByteArrayOutputStream out = writeToArray(ss);
-
- readContent(ss);
-
- // read in the written file
- try (SlideShow<?, ?> read = SlideShowFactory.create(new ByteArrayInputStream(out.toByteArray()))) {
- assertNotNull(read);
- readContent(read);
- }
- }
-
- private ByteArrayOutputStream writeToArray(SlideShow<?,?> ss) throws IOException {
- ByteArrayOutputStream stream = new ByteArrayOutputStream();
- try {
- ss.write(stream);
- } finally {
- stream.close();
- }
-
- return stream;
- }
-
-
- private void readContent(SlideShow<?,?> ss) {
- for (Slide<?,?> s : ss.getSlides()) {
- s.getTitle();
- readText(s);
- readText(s.getNotes());
- readText(s.getMasterSheet());
- }
- }
-
- private void readText(ShapeContainer<?,?> sc) {
- if (sc == null) return;
- for (Shape<?,?> s : sc) {
- if (s instanceof TextShape) {
- for (TextParagraph<?,?,?> tp : (TextShape<?,?>)s) {
- for (TextRun tr : tp) {
- tr.getRawText();
- }
- }
- }
- }
- }
-
- private void readPictures(SlideShow<?,?> ss) {
- for (PictureData pd : ss.getPictureData()) {
- Dimension dim = pd.getImageDimension();
- assertTrue(dim.getHeight() >= 0);
- assertTrue(dim.getWidth() >= 0);
- }
- }
-
- private void renderSlides(SlideShow<?,?> ss) {
- Dimension pgsize = ss.getPageSize();
-
- for (Slide<?,?> s : ss.getSlides()) {
- BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_ARGB);
- Graphics2D graphics = img.createGraphics();
-
- // default rendering options
- graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
- graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
- graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
- graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
-
- // draw stuff
- s.draw(graphics);
-
- graphics.dispose();
- img.flush();
- }
- }
- }
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