/* ==================================================================== 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.hslf.usermodel; import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.awt.Dimension; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.net.URL; import java.util.List; import org.apache.poi.POIDataSamples; import org.apache.poi.hslf.blip.DIB; import org.apache.poi.hslf.blip.EMF; import org.apache.poi.hslf.blip.JPEG; import org.apache.poi.hslf.blip.PICT; import org.apache.poi.hslf.blip.PNG; import org.apache.poi.hslf.blip.WMF; import org.apache.poi.sl.image.ImageHeaderEMF; import org.apache.poi.sl.image.ImageHeaderPICT; import org.apache.poi.sl.image.ImageHeaderWMF; import org.apache.poi.sl.usermodel.PictureData.PictureType; import org.apache.poi.util.Units; import org.junit.Ignore; import org.junit.Test; /** * Test adding/reading pictures * * @author Yegor Kozlov */ public final class TestPictures { private static POIDataSamples slTests = POIDataSamples.getSlideShowInstance(); /** * Test read/write Macintosh PICT */ @Test public void testPICT() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] src_bytes = slTests.readFile("cow.pict"); HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.PICT); ImageHeaderPICT nHeader = new ImageHeaderPICT(src_bytes, 512); final int expWidth = 197, expHeight = 137; Dimension nDim = nHeader.getSize(); assertEquals(expWidth, nDim.getWidth(), 0); assertEquals(expHeight, nDim.getHeight(), 0); Dimension dim = data.getImageDimensionInPixels(); assertEquals(Units.pointsToPixel(expWidth), dim.getWidth(), 0); assertEquals(Units.pointsToPixel(expHeight), dim.getHeight(), 0); HSLFPictureShape pict = new HSLFPictureShape(data); assertEquals(data.getIndex(), pict.getPictureIndex()); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new HSLFSlideShowImpl(new ByteArrayInputStream(out.toByteArray()))); //make sure we can read this picture shape and it refers to the correct picture data List sh = ppt.getSlides().get(0).getShapes(); assertEquals(1, sh.size()); pict = (HSLFPictureShape)sh.get(0); assertEquals(data.getIndex(), pict.getPictureIndex()); //check picture data List pictures = ppt.getPictureData(); assertEquals(1, pictures.size()); HSLFPictureData pd = pictures.get(0); dim = pd.getImageDimension(); assertEquals(expWidth, dim.width); assertEquals(expHeight, dim.height); //the Picture shape refers to the PictureData object in the Presentation assertEquals(pict.getPictureData(), pd); assertEquals(1, pictures.size()); assertEquals(PictureType.PICT, pd.getType()); assertTrue(pd instanceof PICT); //compare the content of the initial file with what is stored in the PictureData byte[] ppt_bytes = pd.getData(); assertEquals(src_bytes.length, ppt_bytes.length); //in PICT the first 512 bytes are MAC specific and may not be preserved, ignore them byte[] b1 = new byte[src_bytes.length-512]; System.arraycopy(src_bytes, 512, b1, 0, b1.length); byte[] b2 = new byte[ppt_bytes.length-512]; System.arraycopy(ppt_bytes, 512, b2, 0, b2.length); assertArrayEquals(b1, b2); } /** * Test read/write WMF */ @Test public void testWMF() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] src_bytes = slTests.readFile("santa.wmf"); HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.WMF); ImageHeaderWMF nHeader = new ImageHeaderWMF(src_bytes, 0); final int expWidth = 136, expHeight = 146; Dimension nDim = nHeader.getSize(); assertEquals(expWidth, nDim.getWidth(), 0); assertEquals(expHeight, nDim.getHeight(), 0); Dimension dim = data.getImageDimensionInPixels(); assertEquals(Units.pointsToPixel(expWidth), dim.getWidth(), 0); assertEquals(Units.pointsToPixel(expHeight), dim.getHeight(), 0); HSLFPictureShape pict = new HSLFPictureShape(data); assertEquals(data.getIndex(), pict.getPictureIndex()); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new HSLFSlideShowImpl(new ByteArrayInputStream(out.toByteArray()))); //make sure we can read this picture shape and it refers to the correct picture data List sh = ppt.getSlides().get(0).getShapes(); assertEquals(1, sh.size()); pict = (HSLFPictureShape)sh.get(0); assertEquals(data.getIndex(), pict.getPictureIndex()); //check picture data List pictures = ppt.getPictureData(); assertEquals(1, pictures.size()); HSLFPictureData pd = pictures.get(0); dim = pd.getImageDimension(); assertEquals(expWidth, dim.width); assertEquals(expHeight, dim.height); //the Picture shape refers to the PictureData object in the Presentation assertEquals(pict.getPictureData(), pd); assertEquals(PictureType.WMF, pd.getType()); assertTrue(pd instanceof WMF); //compare the content of the initial file with what is stored in the PictureData byte[] ppt_bytes = pd.getData(); assertEquals(src_bytes.length, ppt_bytes.length); //in WMF the first 22 bytes - is a metafile header byte[] b1 = new byte[src_bytes.length-22]; System.arraycopy(src_bytes, 22, b1, 0, b1.length); byte[] b2 = new byte[ppt_bytes.length-22]; System.arraycopy(ppt_bytes, 22, b2, 0, b2.length); assertArrayEquals(b1, b2); } /** * Test read/write EMF */ @Test public void testEMF() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] src_bytes = slTests.readFile("wrench.emf"); HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.EMF); ImageHeaderEMF nHeader = new ImageHeaderEMF(src_bytes, 0); final int expWidth = 190, expHeight = 115; Dimension nDim = nHeader.getSize(); assertEquals(expWidth, nDim.getWidth(), 0); assertEquals(expHeight, nDim.getHeight(), 0); Dimension dim = data.getImageDimensionInPixels(); assertEquals(Units.pointsToPixel(expWidth), dim.getWidth(), 0); assertEquals(Units.pointsToPixel(expHeight), dim.getHeight(), 0); HSLFPictureShape pict = new HSLFPictureShape(data); assertEquals(data.getIndex(), pict.getPictureIndex()); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new HSLFSlideShowImpl(new ByteArrayInputStream(out.toByteArray()))); //make sure we can get this picture shape and it refers to the correct picture data List sh = ppt.getSlides().get(0).getShapes(); assertEquals(1, sh.size()); pict = (HSLFPictureShape)sh.get(0); assertEquals(data.getIndex(), pict.getPictureIndex()); //check picture data List pictures = ppt.getPictureData(); assertEquals(1, pictures.size()); HSLFPictureData pd = pictures.get(0); dim = pd.getImageDimension(); assertEquals(expWidth, dim.width); assertEquals(expHeight, dim.height); //the Picture shape refers to the PictureData object in the Presentation assertEquals(pict.getPictureData(), pd); assertEquals(1, pictures.size()); assertEquals(PictureType.EMF, pd.getType()); assertTrue(pd instanceof EMF); //compare the content of the initial file with what is stored in the PictureData byte[] ppt_bytes = pd.getData(); assertArrayEquals(src_bytes, ppt_bytes); } /** * Test read/write PNG */ @Test public void testPNG() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] src_bytes = slTests.readFile("tomcat.png"); HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.PNG); HSLFPictureShape pict = new HSLFPictureShape(data); assertEquals(data.getIndex(), pict.getPictureIndex()); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new HSLFSlideShowImpl(new ByteArrayInputStream(out.toByteArray()))); //make sure we can read this picture shape and it refers to the correct picture data List sh = ppt.getSlides().get(0).getShapes(); assertEquals(1, sh.size()); pict = (HSLFPictureShape)sh.get(0); assertEquals(data.getIndex(), pict.getPictureIndex()); //check picture data List pictures = ppt.getPictureData(); //the Picture shape refers to the PictureData object in the Presentation assertEquals(pict.getPictureData(), pictures.get(0)); assertEquals(1, pictures.size()); assertEquals(PictureType.PNG, pictures.get(0).getType()); assertTrue(pictures.get(0) instanceof PNG); //compare the content of the initial file with what is stored in the PictureData byte[] ppt_bytes = pictures.get(0).getData(); assertArrayEquals(src_bytes, ppt_bytes); } /** * Test read/write JPEG */ @Test public void testJPEG() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] src_bytes = slTests.readFile("clock.jpg"); HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.JPEG); HSLFPictureShape pict = new HSLFPictureShape(data); assertEquals(data.getIndex(), pict.getPictureIndex()); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new HSLFSlideShowImpl(new ByteArrayInputStream(out.toByteArray()))); //make sure we can read this picture shape and it refers to the correct picture data List sh = ppt.getSlides().get(0).getShapes(); assertEquals(1, sh.size()); pict = (HSLFPictureShape)sh.get(0); assertEquals(data.getIndex(), pict.getPictureIndex()); //check picture data List pictures = ppt.getPictureData(); //the Picture shape refers to the PictureData object in the Presentation assertEquals(pict.getPictureData(), pictures.get(0)); assertEquals(1, pictures.size()); assertEquals(PictureType.JPEG, pictures.get(0).getType()); assertTrue(pictures.get(0) instanceof JPEG); //compare the content of the initial file with what is stored in the PictureData byte[] ppt_bytes = pictures.get(0).getData(); assertArrayEquals(src_bytes, ppt_bytes); } /** * Test read/write DIB */ @Test public void testDIB() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] src_bytes = slTests.readFile("clock.dib"); HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.DIB); HSLFPictureShape pict = new HSLFPictureShape(data); assertEquals(data.getIndex(), pict.getPictureIndex()); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new HSLFSlideShowImpl(new ByteArrayInputStream(out.toByteArray()))); //make sure we can read this picture shape and it refers to the correct picture data List sh = ppt.getSlides().get(0).getShapes(); assertEquals(1, sh.size()); pict = (HSLFPictureShape)sh.get(0); assertEquals(data.getIndex(), pict.getPictureIndex()); //check picture data List pictures = ppt.getPictureData(); //the Picture shape refers to the PictureData object in the Presentation assertEquals(pict.getPictureData(), pictures.get(0)); assertEquals(1, pictures.size()); assertEquals(PictureType.DIB, pictures.get(0).getType()); assertTrue(pictures.get(0) instanceof DIB); //compare the content of the initial file with what is stored in the PictureData byte[] ppt_bytes = pictures.get(0).getData(); assertArrayEquals(src_bytes, ppt_bytes); } /** * Read pictures in different formats from a reference slide show */ @Test public void testReadPictures() throws IOException { byte[] src_bytes, ppt_bytes, b1, b2; HSLFPictureShape pict; HSLFPictureData pdata; HSLFSlideShow ppt = new HSLFSlideShow(slTests.openResourceAsStream("pictures.ppt")); List slides = ppt.getSlides(); List pictures = ppt.getPictureData(); assertEquals(5, pictures.size()); pict = (HSLFPictureShape)slides.get(0).getShapes().get(0); //the first slide contains JPEG pdata = pict.getPictureData(); assertTrue(pdata instanceof JPEG); assertEquals(PictureType.JPEG, pdata.getType()); src_bytes = pdata.getData(); ppt_bytes = slTests.readFile("clock.jpg"); assertArrayEquals(src_bytes, ppt_bytes); pict = (HSLFPictureShape)slides.get(1).getShapes().get(0); //the second slide contains PNG pdata = pict.getPictureData(); assertTrue(pdata instanceof PNG); assertEquals(PictureType.PNG, pdata.getType()); src_bytes = pdata.getData(); ppt_bytes = slTests.readFile("tomcat.png"); assertArrayEquals(src_bytes, ppt_bytes); pict = (HSLFPictureShape)slides.get(2).getShapes().get(0); //the third slide contains WMF pdata = pict.getPictureData(); assertTrue(pdata instanceof WMF); assertEquals(PictureType.WMF, pdata.getType()); src_bytes = pdata.getData(); ppt_bytes = slTests.readFile("santa.wmf"); assertEquals(src_bytes.length, ppt_bytes.length); //ignore the first 22 bytes - it is a WMF metafile header b1 = new byte[src_bytes.length-22]; System.arraycopy(src_bytes, 22, b1, 0, b1.length); b2 = new byte[ppt_bytes.length-22]; System.arraycopy(ppt_bytes, 22, b2, 0, b2.length); assertArrayEquals(b1, b2); pict = (HSLFPictureShape)slides.get(3).getShapes().get(0); //the forth slide contains PICT pdata = pict.getPictureData(); assertTrue(pdata instanceof PICT); assertEquals(PictureType.PICT, pdata.getType()); src_bytes = pdata.getData(); ppt_bytes = slTests.readFile("cow.pict"); assertEquals(src_bytes.length, ppt_bytes.length); //ignore the first 512 bytes - it is a MAC specific crap b1 = new byte[src_bytes.length-512]; System.arraycopy(src_bytes, 512, b1, 0, b1.length); b2 = new byte[ppt_bytes.length-512]; System.arraycopy(ppt_bytes, 512, b2, 0, b2.length); assertArrayEquals(b1, b2); pict = (HSLFPictureShape)slides.get(4).getShapes().get(0); //the fifth slide contains EMF pdata = pict.getPictureData(); assertTrue(pdata instanceof EMF); assertEquals(PictureType.EMF, pdata.getType()); src_bytes = pdata.getData(); ppt_bytes = slTests.readFile("wrench.emf"); assertArrayEquals(src_bytes, ppt_bytes); ppt.close(); } /** * Test that on a party corrupt powerpoint document, which has * crazy pictures of type 0, we do our best. */ @Test public void testZeroPictureType() throws IOException { HSLFSlideShowImpl hslf = new HSLFSlideShowImpl(slTests.openResourceAsStream("PictureTypeZero.ppt")); // Should still have 2 real pictures assertEquals(2, hslf.getPictureData().size()); // Both are real pictures, both WMF assertEquals(PictureType.WMF, hslf.getPictureData().get(0).getType()); assertEquals(PictureType.WMF, hslf.getPictureData().get(1).getType()); // Now test what happens when we use the SlideShow interface HSLFSlideShow ppt = new HSLFSlideShow(hslf); List slides = ppt.getSlides(); List pictures = ppt.getPictureData(); assertEquals(12, slides.size()); assertEquals(2, pictures.size()); HSLFPictureShape pict; HSLFPictureData pdata; pict = (HSLFPictureShape)slides.get(0).getShapes().get(1); // 2nd object on 1st slide pdata = pict.getPictureData(); assertTrue(pdata instanceof WMF); assertEquals(PictureType.WMF, pdata.getType()); pict = (HSLFPictureShape)slides.get(0).getShapes().get(2); // 3rd object on 1st slide pdata = pict.getPictureData(); assertTrue(pdata instanceof WMF); assertEquals(PictureType.WMF, pdata.getType()); ppt.close(); } /** * YK: The test is disabled because the owner asked to delete the test file from POI svn. * See "Please remove my file from your svn" on @poi-dev from Dec 12, 2013 */ @Test @Ignore("requires an internet connection to a 3rd party site") // As of 2017-06-20, the file still exists at the specified URL and the test passes. public void testZeroPictureLength() throws IOException { // take the data from www instead of test directory URL url = new URL("http://www.cs.sfu.ca/~anoop/courses/CMPT-882-Fall-2002/chris.ppt"); HSLFSlideShowImpl hslf = new HSLFSlideShowImpl(url.openStream()); /* Assume that the file could retrieved... InputStream is; HSLFSlideShowImpl hslf; try { is = url.openStream(); hslf = new HSLFSlideShowImpl(is); is.close(); } catch (final IOException e) { Assume.assumeTrue(e.getMessage(), false); throw e; } */ // Should still have 2 real pictures assertEquals(2, hslf.getPictureData().size()); // Both are real pictures, both WMF assertEquals(PictureType.WMF, hslf.getPictureData().get(0).getType()); assertEquals(PictureType.WMF, hslf.getPictureData().get(1).getType()); // Now test what happens when we use the SlideShow interface HSLFSlideShow ppt = new HSLFSlideShow(hslf); List slides = ppt.getSlides(); List pictures = ppt.getPictureData(); assertEquals(27, slides.size()); assertEquals(2, pictures.size()); HSLFPictureShape pict; HSLFPictureData pdata; pict = (HSLFPictureShape)slides.get(6).getShapes().get(13); pdata = pict.getPictureData(); assertTrue(pdata instanceof WMF); assertEquals(PictureType.WMF, pdata.getType()); pict = (HSLFPictureShape)slides.get(7).getShapes().get(13); pdata = pict.getPictureData(); assertTrue(pdata instanceof WMF); assertEquals(PictureType.WMF, pdata.getType()); //add a new picture, it should be correctly appended to the Pictures stream ByteArrayOutputStream out = new ByteArrayOutputStream(); for(HSLFPictureData p : pictures) p.write(out); out.close(); int streamSize = out.size(); HSLFPictureData data = HSLFPictureData.create(PictureType.JPEG); data.setData(new byte[100]); int offset = hslf.addPicture(data); assertEquals(streamSize, offset); assertEquals(3, ppt.getPictureData().size()); ppt.close(); } @Test public void testGetPictureName() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(slTests.openResourceAsStream("ppt_with_png.ppt")); HSLFSlide slide = ppt.getSlides().get(0); HSLFPictureShape p = (HSLFPictureShape)slide.getShapes().get(0); //the first slide contains JPEG assertEquals("test", p.getPictureName()); ppt.close(); } @Test public void testSetPictureName() throws IOException { HSLFSlideShow ppt = new HSLFSlideShow(); HSLFSlide slide = ppt.createSlide(); byte[] img = slTests.readFile("tomcat.png"); HSLFPictureData data = ppt.addPicture(img, PictureType.PNG); HSLFPictureShape pict = new HSLFPictureShape(data); pict.setPictureName("tomcat.png"); slide.addShape(pict); //serialize and read again ByteArrayOutputStream out = new ByteArrayOutputStream(); ppt.write(out); out.close(); ppt = new HSLFSlideShow(new ByteArrayInputStream(out.toByteArray())); HSLFPictureShape p = (HSLFPictureShape)ppt.getSlides().get(0).getShapes().get(0); assertEquals("tomcat.png", p.getPictureName()); } }