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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.hwpf;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.util.List;
import javax.imageio.ImageIO;
import org.apache.poi.POIDataSamples;
import org.apache.poi.hwpf.model.PicturesTable;
import org.apache.poi.hwpf.usermodel.Picture;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
/**
* Test picture support in HWPF
*/
public final class TestHWPFPictures {
@BeforeAll
static void setUp() {
// we use ImageIO in one of the tests here so we should ensure that the temporary directory is created correctly
File tempDir = new File(System.getProperty("java.io.tmpdir"));
assertTrue( tempDir.exists() || tempDir.mkdirs(), "Could not create temporary directory " + tempDir.getAbsolutePath() + ": " + tempDir.exists() + "/" + tempDir.isDirectory() );
}
/**
* Test that we have the right numbers of images in each file
*/
@Test
void testImageCount() {
HWPFDocument docA = HWPFTestDataSamples.openSampleFile("testPictures.doc");
HWPFDocument docB = HWPFTestDataSamples.openSampleFile("two_images.doc");
assertNotNull(docA.getPicturesTable());
assertNotNull(docB.getPicturesTable());
PicturesTable picA = docA.getPicturesTable();
PicturesTable picB = docB.getPicturesTable();
List<Picture> picturesA = picA.getAllPictures();
List<Picture> picturesB = picB.getAllPictures();
assertEquals(7, picturesA.size());
assertEquals(2, picturesB.size());
}
/**
* Test that we have the right images in at least one file
*/
@Test
void testImageData() {
HWPFDocument docB = HWPFTestDataSamples.openSampleFile("two_images.doc");
PicturesTable picB = docB.getPicturesTable();
List<Picture> picturesB = picB.getAllPictures();
assertEquals(2, picturesB.size());
Picture pic1 = picturesB.get(0);
Picture pic2 = picturesB.get(1);
assertNotNull(pic1);
assertNotNull(pic2);
// Check the same
byte[] pic1B = readFile("simple_image.jpg");
byte[] pic2B = readFile("simple_image.png");
assertArrayEquals(pic1B, pic1.getContent());
assertArrayEquals(pic2B, pic2.getContent());
}
/**
* Test that compressed image data is correctly returned.
*/
@Test
void testCompressedImageData() {
HWPFDocument docC = HWPFTestDataSamples.openSampleFile("vector_image.doc");
PicturesTable picC = docC.getPicturesTable();
List<Picture> picturesC = picC.getAllPictures();
assertEquals(1, picturesC.size());
Picture pic = picturesC.get(0);
assertNotNull(pic);
// Check the same
byte[] picBytes = readFile("vector_image.emf");
assertArrayEquals(picBytes, pic.getContent());
}
@Test
void testMacImages() throws Exception {
HWPFDocument docC = HWPFTestDataSamples.openSampleFile("53446.doc");
PicturesTable picturesTable = docC.getPicturesTable();
List<Picture> pictures = picturesTable.getAllPictures();
assertEquals(4, pictures.size());
int[][] expectedSizes = {
{ 185, 42 }, // PNG
{ 260, 114 }, // PNG
{ 185, 42 }, // PNG
{ 260, 114 }, // PNG
};
for (int i = 0; i < pictures.size(); i++) {
BufferedImage image = ImageIO.read(new ByteArrayInputStream(pictures.get(i).getContent()));
assertNotNull(image);
int[] dimensions = expectedSizes[i];
assertEquals(dimensions[0], image.getWidth());
assertEquals(dimensions[1], image.getHeight());
}
}
/**
* Pending the missing files being uploaded to
* bug #44937
*/
@Test
void testEscherDrawing() {
HWPFDocument docD = HWPFTestDataSamples.openSampleFile("GaiaTest.doc");
List<Picture> allPictures = docD.getPicturesTable().getAllPictures();
assertEquals(1, allPictures.size());
Picture pic = allPictures.get(0);
assertNotNull(pic);
byte[] picD = readFile("GaiaTestImg.png");
assertEquals(picD.length, pic.getContent().length);
assertArrayEquals(picD, pic.getContent());
}
private static byte[] readFile(String file) {
return POIDataSamples.getDocumentInstance().readFile(file);
}
}
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