| /* ==================================================================== |
| 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.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.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 java.lang.ref.WeakReference; |
| |
| import org.apache.poi.sl.draw.Drawable; |
| import org.apache.poi.sl.usermodel.GroupShape; |
| import org.apache.poi.sl.usermodel.Notes; |
| import org.apache.poi.sl.usermodel.PictureData; |
| import org.apache.poi.sl.usermodel.Shape; |
| import org.apache.poi.sl.usermodel.SimpleShape; |
| 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; |
| import org.junit.jupiter.api.Assumptions; |
| import org.junit.platform.commons.util.ExceptionUtils; |
| |
| 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(); |
| |
| for (Shape<?,?> shape : s) { |
| readShapes(shape); |
| } |
| |
| Notes<?, ?> notes = s.getNotes(); |
| if(notes != null) { |
| for (Shape<?, ?> shape : notes) { |
| readShapes(shape); |
| } |
| } |
| |
| for (Shape<?,?> shape : s.getMasterSheet()) { |
| readShapes(shape); |
| } |
| } |
| } |
| |
| private void readShapes(Shape<?,?> s) { |
| // recursively walk group-shapes |
| if(s instanceof GroupShape) { |
| GroupShape<? extends Shape<?,?>, ?> shapes = (GroupShape<? extends Shape<?,?>, ?>) s; |
| for (Shape<? extends Shape<?,?>, ?> shape : shapes) { |
| readShapes(shape); |
| } |
| } |
| |
| if(s instanceof SimpleShape) { |
| SimpleShape<?, ?> simpleShape = (SimpleShape<?, ?>) s; |
| |
| simpleShape.getFillColor(); |
| simpleShape.getFillStyle(); |
| simpleShape.getStrokeStyle(); |
| simpleShape.getLineDecoration(); |
| } |
| |
| readText(s); |
| } |
| |
| private void readText(Shape<?,?> s) { |
| 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, "Expecting a valid height, but had an image with height: " + dim.getHeight() ); |
| assertTrue( dim.getWidth() >= 0, "Expecting a valid width, but had an image with width: " + dim.getWidth() ); |
| } |
| } |
| |
| 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); |
| graphics.setRenderingHint(Drawable.BUFFERED_IMAGE, new WeakReference<>(img)); |
| |
| try { |
| // draw stuff |
| s.draw(graphics); |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // We saw exceptions with JDK 8 on Windows in the Jenkins CI which |
| // seem to only be triggered by some font (maybe Calibri?!) |
| // We cannot avoid this, so let's try to not make the tests fail in this case |
| if (!"-1".equals(e.getMessage()) || |
| !ExceptionUtils.readStackTrace(e).contains("ExtendedTextSourceLabel.getJustificationInfos")) { |
| throw e; |
| } |
| } |
| |
| graphics.dispose(); |
| img.flush(); |
| } |
| } |
| } |