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- #58207 - Provide user access to the original image dimensions (XSLF)

Browse Source 
- same for hslf / common sl
- unify method names in H/XSLF Slideshow for common sl
- add/fix header information for PICT/EMF/WMF

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1704097 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andreas Beeker 2015-09-20 02:25:35 +00:00
parent a207e463e9
commit 18395d5c3b
26 changed files with 698 additions and 307 deletions
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2
src/examples/src/org/apache/poi/xslf/usermodel/DataExtraction.java
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@ -58,7 +58,7 @@ public final class DataExtraction {
}
// Get the document's embedded files.
List<XSLFPictureData> images = ppt.getAllPictures();
List<XSLFPictureData> images = ppt.getPictureData();
for (XSLFPictureData data : images) {
PackagePart p = data.getPackagePart();

2
src/integrationtest/org/apache/poi/stress/HSLFFileHandler.java
View File

@ -34,7 +34,7 @@ public class HSLFFileHandler extends SlideShowHandler {
assertNotNull(slide.getCurrentUserAtom());
assertNotNull(slide.getEmbeddedObjects());
assertNotNull(slide.getUnderlyingBytes());
assertNotNull(slide.getPictures());
assertNotNull(slide.getPictureData());
Record[] records = slide.getRecords();
assertNotNull(records);
for(Record record : records) {

11
src/integrationtest/org/apache/poi/stress/SlideShowHandler.java
View File

@ -17,6 +17,7 @@
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;
@ -31,6 +32,7 @@ import java.util.Map;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.sl.SlideShowFactory;
import org.apache.poi.sl.draw.Drawable;
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;
@ -45,6 +47,7 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
renderSlides(ss);
readContent(ss);
readPictures(ss);
// write out the file
ByteArrayOutputStream out = writeToArray(ss);
@ -98,6 +101,14 @@ public abstract class SlideShowHandler extends POIFSFileHandler {
}
}
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();

16
src/java/org/apache/poi/sl/usermodel/PictureData.java
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@ -17,6 +17,7 @@
package org.apache.poi.sl.usermodel;
import java.awt.Dimension;
import java.io.IOException;
public interface PictureData {
@ -96,4 +97,19 @@ public interface PictureData {
* @param data picture data
*/
void setData(byte[] data) throws IOException;
/**
* Gets the checksum - the checksum can be of various length -
* mostly it's 8 (XSLF) or 16 (HSLF) bytes long.
* @return the checksum
*/
byte[] getChecksum();
/**
* Return the original image dimensions
* (for formats supported by BufferedImage).
*
* Will return a Dimension with zero width/height if the format unsupported.
*/
Dimension getImageDimension();
}

7
src/java/org/apache/poi/sl/usermodel/SlideShow.java
View File

@ -49,6 +49,13 @@ public interface SlideShow<
*/
Dimension getPageSize();
/**
* Returns all Pictures of this slideshow.
* The returned {@link List} is unmodifiable.
* @return a {@link List} of {@link PictureData}.
*/
List<? extends PictureData> getPictureData();
/**
* Adds a picture to the workbook.

26
src/ooxml/java/org/apache/poi/xslf/usermodel/XMLSlideShow.java
View File

@ -21,6 +21,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
@ -42,6 +43,8 @@ import org.apache.poi.sl.usermodel.SlideShow;
import org.apache.poi.util.Beta;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.Internal;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LittleEndianConsts;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.PackageHelper;
@ -106,12 +109,18 @@ implements SlideShow<XSLFShape,XSLFTextParagraph> {
static final OPCPackage empty() {
InputStream is = XMLSlideShow.class.getResourceAsStream("empty.pptx");
if (is == null) {
throw new RuntimeException("Missing resource 'empty.pptx'");
throw new POIXMLException("Missing resource 'empty.pptx'");
}
try {
return OPCPackage.open(is);
} catch (Exception e){
throw new POIXMLException(e);
} finally {
try {
is.close();
} catch (Exception e) {
throw new POIXMLException(e);
}
}
}
@ -189,12 +198,8 @@ implements SlideShow<XSLFShape,XSLFTextParagraph> {
);
}
/**
* Returns all Pictures, which are referenced from the document itself.
* @return a {@link List} of {@link PackagePart}.
* The returned {@link List} is unmodifiable.
*/
public List<XSLFPictureData> getAllPictures() {
@Override
public List<XSLFPictureData> getPictureData() {
if(_pictures == null){
List<PackagePart> mediaParts = getPackage().getPartsByName(Pattern.compile("/ppt/media/.*?"));
_pictures = new ArrayList<XSLFPictureData>(mediaParts.size());
@ -472,8 +477,11 @@ implements SlideShow<XSLFShape,XSLFTextParagraph> {
*/
XSLFPictureData findPictureData(byte[] pictureData){
long checksum = IOUtils.calculateChecksum(pictureData);
for(XSLFPictureData pic : getAllPictures()){
if(pic.getChecksum() == checksum) {
byte cs[] = new byte[LittleEndianConsts.LONG_SIZE];
LittleEndian.putLong(cs,0,checksum);
for(XSLFPictureData pic : getPictureData()){
if(Arrays.equals(pic.getChecksum(), cs)) {
return pic;
}
}

70
src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureData.java
View File

@ -19,24 +19,41 @@
package org.apache.poi.xslf.usermodel;
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.imageio.ImageIO;
import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.POIXMLException;
import org.apache.poi.hslf.blip.EMF;
import org.apache.poi.hslf.blip.PICT;
import org.apache.poi.hslf.blip.WMF;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackageRelationship;
import org.apache.poi.sl.usermodel.PictureData;
import org.apache.poi.util.Beta;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LittleEndianConsts;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
/**
* Instantiates sub-classes of POIXMLDocumentPart depending on their relationship type
*/
@Beta
public final class XSLFPictureData extends POIXMLDocumentPart implements PictureData {
private static final POILogger logger = POILogFactory.getLogger(XSLFPictureData.class);
private Long checksum = null;
// original image dimensions (for formats supported by BufferedImage)
private Dimension _origSize = null;
private int index = -1;
/**
@ -103,15 +120,52 @@ public final class XSLFPictureData extends POIXMLDocumentPart implements Picture
return getPackagePart().getPartName().getExtension();
}
long getChecksum(){
if(checksum == null){
try {
checksum = IOUtils.calculateChecksum(getInputStream());
} catch (IOException e) {
throw new POIXMLException("Unable to calulate checksum", e);
@Override
public byte[] getChecksum() {
cacheProperties();
byte cs[] = new byte[LittleEndianConsts.LONG_SIZE];
LittleEndian.putLong(cs,0,checksum);
return cs;
}
@Override
public Dimension getImageDimension() {
cacheProperties();
return _origSize;
}
/**
* Determine and cache image properties
*/
protected void cacheProperties() {
if (_origSize == null || checksum == null) {
byte data[] = getData();
checksum = IOUtils.calculateChecksum(data);
switch (getType()) {
case EMF:
_origSize = new EMF.NativeHeader(data, 0).getSize();
break;
case WMF:
// wmf files in pptx usually have their placeable header
// stripped away, so this returns only the dummy size
_origSize = new WMF.NativeHeader(data, 0).getSize();
break;
case PICT:
_origSize = new PICT.NativeHeader(data, 0).getSize();
break;
default:
try {
BufferedImage img = ImageIO.read(new ByteArrayInputStream(data));
_origSize = (img == null) ? new Dimension() : new Dimension(img.getWidth(), img.getHeight());
} catch (IOException e) {
logger.log(POILogger.WARN, "Can't determine image dimensions", e);
// failed to get information, set dummy size
_origSize = new Dimension(200,200);
}
break;
}
}
return checksum;
}
/**
@ -134,6 +188,8 @@ public final class XSLFPictureData extends POIXMLDocumentPart implements Picture
os.close();
// recalculate now since we already have the data bytes available anyhow
checksum = IOUtils.calculateChecksum(data);
_origSize = null; // need to recalculate image size
}
@Override

23
src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFPictureShape.java
View File

@ -19,12 +19,10 @@
package org.apache.poi.xslf.usermodel;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.Rectangle;
import java.net.URI;
import javax.imageio.ImageIO;
import javax.xml.namespace.QName;
import org.apache.poi.POIXMLException;
@ -87,17 +85,20 @@ public class XSLFPictureShape extends XSLFSimpleShape
/**
* Resize this picture to the default size.
*
* For PNG and JPEG resizes the image to 100%,
* for other types sets the default size of 200x200 pixels.
* for other types sets the default size to 200x200 pixels.
*/
public void resize() {
try {
BufferedImage img = ImageIO.read(getPictureData().getInputStream());
setAnchor(new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight()));
Dimension dim = getPictureData().getImageDimension();
if (dim.width > 0 && dim.height > 0)
{
setAnchor(new Rectangle(0, 0, dim.width, dim.height));
}
catch (Exception e) {
//default size is 200x200
setAnchor(new java.awt.Rectangle(50, 50, 200, 200));
else
{
// unsupported/unknown formats
setAnchor(new Rectangle(50, 50, 200, 200));
}
}

48
src/ooxml/testcases/org/apache/poi/xslf/TestXSLFBugs.java
View File

@ -58,14 +58,14 @@ public class TestXSLFBugs {
@Test
@SuppressWarnings("deprecation")
public void bug51187() throws Exception {
XMLSlideShow ss = XSLFTestDataSamples.openSampleDocument("51187.pptx");
XMLSlideShow ss1 = XSLFTestDataSamples.openSampleDocument("51187.pptx");
assertEquals(1, ss.getSlides().size());
assertEquals(1, ss1.getSlides().size());
// Check the relations on it
// Note - rId3 is a self reference
PackagePart slidePart = ss._getXSLFSlideShow().getSlidePart(
ss._getXSLFSlideShow().getSlideReferences().getSldIdArray(0)
PackagePart slidePart = ss1._getXSLFSlideShow().getSlidePart(
ss1._getXSLFSlideShow().getSlideReferences().getSldIdArray(0)
);
assertEquals("/ppt/slides/slide1.xml", slidePart.getPartName().toString());
assertEquals("/ppt/slideLayouts/slideLayout12.xml", slidePart.getRelationship("rId1").getTargetURI().toString());
@ -74,11 +74,12 @@ public class TestXSLFBugs {
assertEquals("/ppt/media/image1.png", slidePart.getRelationship("rId4").getTargetURI().toString());
// Save and re-load
ss = XSLFTestDataSamples.writeOutAndReadBack(ss);
assertEquals(1, ss.getSlides().size());
XMLSlideShow ss2 = XSLFTestDataSamples.writeOutAndReadBack(ss1);
ss1.close();
assertEquals(1, ss2.getSlides().size());
slidePart = ss._getXSLFSlideShow().getSlidePart(
ss._getXSLFSlideShow().getSlideReferences().getSldIdArray(0)
slidePart = ss2._getXSLFSlideShow().getSlidePart(
ss2._getXSLFSlideShow().getSlideReferences().getSldIdArray(0)
);
assertEquals("/ppt/slides/slide1.xml", slidePart.getPartName().toString());
assertEquals("/ppt/slideLayouts/slideLayout12.xml", slidePart.getRelationship("rId1").getTargetURI().toString());
@ -86,13 +87,15 @@ public class TestXSLFBugs {
// TODO Fix this
assertEquals("/ppt/slides/slide1.xml", slidePart.getRelationship("rId3").getTargetURI().toString());
assertEquals("/ppt/media/image1.png", slidePart.getRelationship("rId4").getTargetURI().toString());
ss2.close();
}
/**
* Slide relations with anchors in them
*/
@Test
public void tika705() {
public void tika705() throws Exception {
XMLSlideShow ss = XSLFTestDataSamples.openSampleDocument("with_japanese.pptx");
// Should have one slide
@ -132,6 +135,7 @@ public class TestXSLFBugs {
}
}
}
ss.close();
}
/**
@ -161,6 +165,8 @@ public class TestXSLFBugs {
slide = ss.getSlides().get(3);
assertContains("POI can read this", getSlideText(slide));
ss.close();
}
/**
@ -197,6 +203,7 @@ public class TestXSLFBugs {
assertEquals(2, internalPictures);
assertEquals(1, externalPictures);
ppt.close();
}
@Test
@ -225,6 +232,7 @@ public class TestXSLFBugs {
slide.draw(graphics);
ImageIO.write(imgActual, "PNG", new File("bug54542.png"));
ss.close();
}
protected String getSlideText(XSLFSlide slide) {
@ -262,6 +270,7 @@ public class TestXSLFBugs {
ss.setSlideOrder(slide, 0);
ss.setSlideOrder(slide, 2);
validateSlides(ss, true, "Slide1","Slide2","New slide");
ss.close();
}
/**
@ -277,7 +286,7 @@ public class TestXSLFBugs {
// Slide starts with just layout relation
XSLFSlide slide = ss.getSlides().get(0);
assertEquals(0, ss.getAllPictures().size());
assertEquals(0, ss.getPictureData().size());
assertEquals(1, slide.getShapes().size());
assertEquals(1, slide.getRelations().size());
@ -295,7 +304,7 @@ public class TestXSLFBugs {
for (int i=0; i<10; i++) {
XSLFPictureData data = ss.addPicture(pics[i], PictureType.JPEG);
assertEquals(i, data.getIndex());
assertEquals(i+1, ss.getAllPictures().size());
assertEquals(i+1, ss.getPictureData().size());
XSLFPictureShape shape = slide.createPicture(data);
assertNotNull(shape.getPictureData());
@ -313,7 +322,7 @@ public class TestXSLFBugs {
for (int i=10; i<15; i++) {
XSLFPictureData data = ss.addPicture(pics[i], PictureType.JPEG);
assertEquals(i, data.getIndex());
assertEquals(i+1, ss.getAllPictures().size());
assertEquals(i+1, ss.getPictureData().size());
XSLFPictureShape shape = slide.createPicture(data);
assertNotNull(shape.getPictureData());
@ -330,7 +339,7 @@ public class TestXSLFBugs {
// Add a duplicate, check the right one is picked
XSLFPictureData data = ss.addPicture(pics[3], PictureType.JPEG);
assertEquals(3, data.getIndex());
assertEquals(15, ss.getAllPictures().size());
assertEquals(15, ss.getPictureData().size());
XSLFPictureShape shape = slide.createPicture(data);
assertNotNull(shape.getPictureData());
@ -357,7 +366,7 @@ public class TestXSLFBugs {
// Add another duplicate
data = ss2.addPicture(pics[5], PictureType.JPEG);
assertEquals(5, data.getIndex());
assertEquals(15, ss2.getAllPictures().size());
assertEquals(15, ss2.getPictureData().size());
shape = slide.createPicture(data);
assertNotNull(shape.getPictureData());
@ -368,11 +377,17 @@ public class TestXSLFBugs {
ss.close();
}
private void validateSlides(XMLSlideShow ss, boolean saveAndReload, String... slideTexts) {
private void validateSlides(XMLSlideShow ss, boolean saveAndReload, String... slideTexts) throws IOException {
if (saveAndReload) {
ss = XSLFTestDataSamples.writeOutAndReadBack(ss);
XMLSlideShow ss2 = XSLFTestDataSamples.writeOutAndReadBack(ss);
validateSlides(ss, slideTexts);
ss2.close();
} else {
validateSlides(ss, slideTexts);
}
}
private void validateSlides(XMLSlideShow ss, String... slideTexts) throws IOException {
assertEquals(slideTexts.length, ss.getSlides().size());
for (int i = 0; i < slideTexts.length; i++) {
@ -380,6 +395,7 @@ public class TestXSLFBugs {
assertContains(getSlideText(slide), slideTexts[i]);
}
}
private void assertRelationEquals(XSLFRelation expected, POIXMLDocumentPart relation) {
assertEquals(expected.getContentType(), relation.getPackagePart().getContentType());
assertEquals(expected.getFileName(expected.getFileNameIndex(relation)), relation.getPackagePart().getPartName().getName());

47
src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFPictureShape.java
View File

@ -36,44 +36,46 @@ import org.openxmlformats.schemas.presentationml.x2006.main.CTPicture;
public class TestXSLFPictureShape {
@Test
public void testCreate() {
XMLSlideShow ppt = new XMLSlideShow();
assertEquals(0, ppt.getAllPictures().size());
public void testCreate() throws Exception {
XMLSlideShow ppt1 = new XMLSlideShow();
assertEquals(0, ppt1.getPictureData().size());
byte[] data1 = new byte[100];
for(int i = 0;i < 100;i++) { data1[i] = (byte)i; }
XSLFPictureData pdata1 = ppt.addPicture(data1, PictureType.JPEG);
XSLFPictureData pdata1 = ppt1.addPicture(data1, PictureType.JPEG);
assertEquals(0, pdata1.getIndex());
assertEquals(1, ppt.getAllPictures().size());
assertEquals(1, ppt1.getPictureData().size());
XSLFSlide slide = ppt.createSlide();
XSLFSlide slide = ppt1.createSlide();
XSLFPictureShape shape1 = slide.createPicture(pdata1);
assertNotNull(shape1.getPictureData());
assertArrayEquals(data1, shape1.getPictureData().getData());
byte[] data2 = new byte[200];
for(int i = 0;i < 200;i++) { data2[i] = (byte)i; }
XSLFPictureData pdata2 = ppt.addPicture(data2, PictureType.PNG);
XSLFPictureData pdata2 = ppt1.addPicture(data2, PictureType.PNG);
XSLFPictureShape shape2 = slide.createPicture(pdata2);
assertNotNull(shape2.getPictureData());
assertEquals(1, pdata2.getIndex());
assertEquals(2, ppt.getAllPictures().size());
assertEquals(2, ppt1.getPictureData().size());
assertArrayEquals(data2, shape2.getPictureData().getData());
ppt = XSLFTestDataSamples.writeOutAndReadBack(ppt);
List<XSLFPictureData> pics = ppt.getAllPictures();
XMLSlideShow ppt2 = XSLFTestDataSamples.writeOutAndReadBack(ppt1);
ppt1.close();
List<XSLFPictureData> pics = ppt2.getPictureData();
assertEquals(2, pics.size());
assertArrayEquals(data1, pics.get(0).getData());
assertArrayEquals(data2, pics.get(1).getData());
List<XSLFShape> shapes = ppt.getSlides().get(0).getShapes();
List<XSLFShape> shapes = ppt2.getSlides().get(0).getShapes();
assertArrayEquals(data1, ((XSLFPictureShape) shapes.get(0)).getPictureData().getData());
assertArrayEquals(data2, ((XSLFPictureShape) shapes.get(1)).getPictureData().getData());
ppt2.close();
}
@Test
public void testCreateMultiplePictures() {
XMLSlideShow ppt = new XMLSlideShow();
XSLFSlide slide1 = ppt.createSlide();
public void testCreateMultiplePictures() throws Exception {
XMLSlideShow ppt1 = new XMLSlideShow();
XSLFSlide slide1 = ppt1.createSlide();
XSLFGroupShape group1 = slide1.createGroup();
@ -81,7 +83,7 @@ public class TestXSLFPictureShape {
// first add 20 images to the slide
for (int i = 0; i < 20; i++, pictureIndex++) {
byte[] data = new byte[]{(byte)pictureIndex};
XSLFPictureData elementData = ppt.addPicture(data, PictureType.PNG);
XSLFPictureData elementData = ppt1.addPicture(data, PictureType.PNG);
assertEquals(pictureIndex, elementData.getIndex()); // added images have indexes 0,1,2....19
XSLFPictureShape picture = slide1.createPicture(elementData);
// POI saves images as image1.png, image2.png, etc.
@ -93,7 +95,7 @@ public class TestXSLFPictureShape {
// and then add next 20 images to a group
for (int i = 0; i < 20; i++, pictureIndex++) {
byte[] data = new byte[]{(byte)pictureIndex};
XSLFPictureData elementData = ppt.addPicture(data, PictureType.PNG);
XSLFPictureData elementData = ppt1.addPicture(data, PictureType.PNG);
XSLFPictureShape picture = group1.createPicture(elementData);
// POI saves images as image1.png, image2.png, etc.
assertEquals(pictureIndex, elementData.getIndex()); // added images have indexes 0,1,2....19
@ -104,10 +106,11 @@ public class TestXSLFPictureShape {
// serialize, read back and check that all images are there
ppt = XSLFTestDataSamples.writeOutAndReadBack(ppt);
XMLSlideShow ppt2 = XSLFTestDataSamples.writeOutAndReadBack(ppt1);
ppt1.close();
// pictures keyed by file name
Map<String, XSLFPictureData> pics = new HashMap<String, XSLFPictureData>();
for(XSLFPictureData p : ppt.getAllPictures()){
for(XSLFPictureData p : ppt2.getPictureData()){
pics.put(p.getFileName(), p);
}
assertEquals(40, pics.size());
@ -119,10 +122,11 @@ public class TestXSLFPictureShape {
assertEquals(fileName, data.getFileName());
assertArrayEquals(data1, data.getData());
}
ppt2.close();
}
@Test
public void testImageCaching() {
public void testImageCaching() throws Exception {
XMLSlideShow ppt = new XMLSlideShow();
byte[] img1 = new byte[]{1,2,3};
byte[] img2 = new byte[]{3,4,5};
@ -139,10 +143,11 @@ public class TestXSLFPictureShape {
XSLFSlide slide2 = ppt.createSlide();
assertNotNull(slide2);
ppt.close();
}
@Test
public void testMerge() {
public void testMerge() throws Exception {
XMLSlideShow ppt1 = new XMLSlideShow();
byte[] data1 = new byte[100];
XSLFPictureData pdata1 = ppt1.addPicture(data1, PictureType.JPEG);
@ -162,5 +167,7 @@ public class TestXSLFPictureShape {
CTPicture ctPic2 = (CTPicture)shape2.getXmlObject();
assertFalse(ctPic2.getNvPicPr().getNvPr().isSetCustDataLst());
ppt1.close();
ppt2.close();
}
}

20
src/scratchpad/src/org/apache/poi/hslf/blip/Bitmap.java
View File

@ -17,10 +17,15 @@
package org.apache.poi.hslf.blip;
import org.apache.poi.hslf.usermodel.HSLFPictureData;
import java.io.IOException;
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.apache.poi.hslf.usermodel.HSLFPictureData;
/**
* Represents a bitmap picture data: JPEG or PNG.
@ -49,4 +54,13 @@ public abstract class Bitmap extends HSLFPictureData {
setRawData(out.toByteArray());
}
public Dimension getImageDimension() {
try {
BufferedImage bi = ImageIO.read(new ByteArrayInputStream(getData()));
return new Dimension(bi.getWidth(), bi.getHeight());
} catch (IOException e) {
return new Dimension(200,200);
}
}
}

47
src/scratchpad/src/org/apache/poi/hslf/blip/EMF.java
View File

@ -17,6 +17,8 @@
package org.apache.poi.hslf.blip;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
@ -24,6 +26,8 @@ import java.io.InputStream;
import java.util.zip.InflaterInputStream;
import org.apache.poi.hslf.exceptions.HSLFException;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LocaleUtil;
import org.apache.poi.util.Units;
/**
@ -31,6 +35,38 @@ import org.apache.poi.util.Units;
*/
public final class EMF extends Metafile {
public static class NativeHeader {
// rectangular inclusive-inclusive bounds, in device units, of the smallest
// rectangle that can be drawn around the image stored in the metafile.
private final Rectangle deviceBounds;
private final static String EMF_SIGNATURE = " EMF"; // 0x464D4520 (LE)
public NativeHeader(byte data[], int offset) {
int type = (int)LittleEndian.getUInt(data, offset); offset += 4;
if (type != 1) {
throw new HSLFException("Invalid EMF picture");
}
// ignore header size
offset += 4;
int left = LittleEndian.getInt(data, offset); offset += 4;
int top = LittleEndian.getInt(data, offset); offset += 4;
int right = LittleEndian.getInt(data, offset); offset += 4;
int bottom = LittleEndian.getInt(data, offset); offset += 4;
deviceBounds = new Rectangle(left, top, right-left, bottom-top);
// ignore frame bounds
offset += 16;
String signature = new String(data, offset, EMF_SIGNATURE.length(), LocaleUtil.CHARSET_1252);
if (!EMF_SIGNATURE.equals(signature)) {
throw new HSLFException("Invalid EMF picture");
}
}
public Dimension getSize() {
return deviceBounds.getSize();
}
}
@Override
public byte[] getData(){
try {
@ -59,16 +95,21 @@ public final class EMF extends Metafile {
public void setData(byte[] data) throws IOException {
byte[] compressed = compress(data, 0, data.length);
NativeHeader nHeader = new NativeHeader(data, 0);
Header header = new Header();
header.wmfsize = data.length;
//we don't have a EMF reader in java, have to set default image size 200x200
header.bounds = new java.awt.Rectangle(0, 0, 200, 200);
header.size = new java.awt.Dimension(header.bounds.width*Units.EMU_PER_POINT, header.bounds.height*Units.EMU_PER_POINT);
header.bounds = nHeader.deviceBounds;
Dimension nDim = nHeader.getSize();
header.size = new Dimension(Units.toEMU(nDim.getWidth()), Units.toEMU(nDim.getHeight()));
header.zipsize = compressed.length;
byte[] checksum = getChecksum(data);
ByteArrayOutputStream out = new ByteArrayOutputStream();
out.write(checksum);
if (uidInstanceCount == 2) {
out.write(checksum);
}
header.write(out);
out.write(compressed);

27
src/scratchpad/src/org/apache/poi/hslf/blip/Metafile.java
View File

@ -17,13 +17,17 @@
package org.apache.poi.hslf.blip;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.hslf.usermodel.HSLFPictureData;
import java.awt.*;
import java.io.*;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.DeflaterOutputStream;
import org.apache.poi.hslf.usermodel.HSLFPictureData;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.Units;
/**
* Represents a metafile picture which can be one of the following types: EMF, WMF, or PICT.
* A metafile is stored compressed using the ZIP deflate/inflate algorithm.
@ -114,11 +118,22 @@ public abstract class Metafile extends HSLFPictureData {
}
}
protected byte[] compress(byte[] bytes, int offset, int length) throws IOException {
protected static byte[] compress(byte[] bytes, int offset, int length) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
DeflaterOutputStream deflater = new DeflaterOutputStream( out );
deflater.write(bytes, offset, length);
deflater.close();
return out.toByteArray();
}
public Dimension getImageDimension() {
int prefixLen = 16*uidInstanceCount;
Header header = new Header();
header.read(getRawData(), prefixLen);
return new Dimension(
(int)Math.round(Units.toPoints((long)header.size.getWidth())),
(int)Math.round(Units.toPoints((long)header.size.getHeight()))
);
}
}

104
src/scratchpad/src/org/apache/poi/hslf/blip/PICT.java
View File

@ -17,6 +17,8 @@
package org.apache.poi.hslf.blip;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
@ -29,6 +31,79 @@ import org.apache.poi.util.Units;
* Represents Macintosh PICT picture data.
*/
public final class PICT extends Metafile {
public static class NativeHeader {
/**
* skip the first 512 bytes - they are MAC specific crap
*/
public static final int PICT_HEADER_OFFSET = 512;
public static final double DEFAULT_RESOLUTION = Units.POINT_DPI;
private static final byte V2_HEADER[] = {
0x00, 0x11, // v2 version opcode
0x02, (byte)0xFF, // version number of new picture
0x0C, 0x00, // header opcode
(byte)0xFF, (byte)0xFE, 0x00, 0x00 // pic size dummy
};
public final Rectangle bounds;
public final double hRes, vRes;
public NativeHeader(byte data[], int offset) {
// http://mirrors.apple2.org.za/apple.cabi.net/Graphics/PICT.and_QT.INFO/PICT.file.format.TI.txt
// low order 16 bits of picture size - can be ignored
offset += 2;
// rectangular bounding box of picture, at 72 dpi
// rect : 8 bytes (top, left, bottom, right: integer)
int y1 = readUnsignedShort(data, offset); offset += 2;
int x1 = readUnsignedShort(data, offset); offset += 2;
int y2 = readUnsignedShort(data, offset); offset += 2;
int x2 = readUnsignedShort(data, offset); offset += 2;
// check for version 2 ... otherwise we don't read any further
boolean isV2 = true;
for (byte b : V2_HEADER) {
if (b != data[offset++]) {
isV2 = false;
break;
}
}
if (isV2) {
// 4 bytes - fixed, horizontal resolution (dpi) of source data
hRes = readFixedPoint(data, offset); offset += 4;
// 4 bytes - fixed, vertical resolution (dpi) of source data
vRes = readFixedPoint(data, offset); offset += 4;
} else {
hRes = DEFAULT_RESOLUTION;
vRes = DEFAULT_RESOLUTION;
}
bounds = new Rectangle(x1,y1,x2-x1,y2-y1);
}
public Dimension getSize() {
int height = (int)Math.round(bounds.height*DEFAULT_RESOLUTION/vRes);
int width = (int)Math.round(bounds.width*DEFAULT_RESOLUTION/hRes);
return new Dimension(width, height);
}
private static int readUnsignedShort(byte data[], int offset) {
int b0 = data[offset] & 0xFF;
int b1 = data[offset+1] & 0xFF;
return b0 << 8 | b1;
}
private static double readFixedPoint(byte data[], int offset) {
int b0 = data[offset] & 0xFF;
int b1 = data[offset+1] & 0xFF;
int b2 = data[offset+2] & 0xFF;
int b3 = data[offset+3] & 0xFF;
int i = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
return i / (double)0x10000;
}
}
@Override
public byte[] getData(){
@ -38,14 +113,7 @@ public final class PICT extends Metafile {
ByteArrayOutputStream out = new ByteArrayOutputStream();
out.write(macheader);
int pos = CHECKSUM_SIZE*uidInstanceCount;
byte[] pict;
try {
pict = read(rawdata, pos);
} catch (IOException e){
//weird MAC behaviour.
//if failed to read right after the checksum - skip 16 bytes and try again
pict = read(rawdata, pos + 16);
}
byte[] pict = read(rawdata, pos);
out.write(pict);
return out.toByteArray();
} catch (IOException e){
@ -71,22 +139,24 @@ public final class PICT extends Metafile {
@Override
public void setData(byte[] data) throws IOException {
int pos = 512; //skip the first 512 bytes - they are MAC specific crap
byte[] compressed = compress(data, pos, data.length-pos);
// skip the first 512 bytes - they are MAC specific crap
final int nOffset = NativeHeader.PICT_HEADER_OFFSET;
NativeHeader nHeader = new NativeHeader(data, nOffset);
Header header = new Header();
header.wmfsize = data.length - 512;
//we don't have a PICT reader in java, have to set default image size 200x200
header.bounds = new java.awt.Rectangle(0, 0, 200, 200);
header.size = new java.awt.Dimension(header.bounds.width*Units.EMU_PER_POINT,
header.bounds.height*Units.EMU_PER_POINT);
header.wmfsize = data.length - nOffset;
byte[] compressed = compress(data, nOffset, header.wmfsize);
header.zipsize = compressed.length;
header.bounds = nHeader.bounds;
Dimension nDim = nHeader.getSize();
header.size = new Dimension(Units.toEMU(nDim.getWidth()), Units.toEMU(nDim.getHeight()));
byte[] checksum = getChecksum(data);
ByteArrayOutputStream out = new ByteArrayOutputStream();
out.write(checksum);
out.write(new byte[16]); //16-byte prefix which is safe to ignore
if (uidInstanceCount == 2) {
out.write(checksum);
}
header.write(out);
out.write(compressed);

105
src/scratchpad/src/org/apache/poi/hslf/blip/WMF.java
View File

@ -17,6 +17,8 @@
package org.apache.poi.hslf.blip;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
@ -26,6 +28,7 @@ import java.util.zip.InflaterInputStream;
import org.apache.poi.hslf.exceptions.HSLFException;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.util.Units;
@ -45,11 +48,7 @@ public final class WMF extends Metafile {
header.read(rawdata, CHECKSUM_SIZE*uidInstanceCount);
is.skip(header.getSize() + CHECKSUM_SIZE*uidInstanceCount);
AldusHeader aldus = new AldusHeader();
aldus.left = header.bounds.x;
aldus.top = header.bounds.y;
aldus.right = header.bounds.x + header.bounds.width;
aldus.bottom = header.bounds.y + header.bounds.height;
NativeHeader aldus = new NativeHeader(header.bounds);
aldus.write(out);
InflaterInputStream inflater = new InflaterInputStream( is );
@ -68,18 +67,16 @@ public final class WMF extends Metafile {
@Override
public void setData(byte[] data) throws IOException {
int pos = 0;
AldusHeader aldus = new AldusHeader();
aldus.read(data, pos);
pos += aldus.getSize();
NativeHeader nHeader = new NativeHeader(data, pos);
pos += nHeader.getLength();
byte[] compressed = compress(data, pos, data.length-pos);
Header header = new Header();
header.wmfsize = data.length - aldus.getSize();
header.bounds = new java.awt.Rectangle((short)aldus.left, (short)aldus.top, (short)aldus.right-(short)aldus.left, (short)aldus.bottom-(short)aldus.top);
//coefficient to translate from WMF dpi to 96pdi
int coeff = 96*Units.EMU_PER_POINT/aldus.inch;
header.size = new java.awt.Dimension(header.bounds.width*coeff, header.bounds.height*coeff);
header.wmfsize = data.length - nHeader.getLength();
header.bounds = new Rectangle((short)nHeader.left, (short)nHeader.top, (short)nHeader.right-(short)nHeader.left, (short)nHeader.bottom-(short)nHeader.top);
Dimension nDim = nHeader.getSize();
header.size = new Dimension(Units.toEMU(nDim.getWidth()), Units.toEMU(nDim.getHeight()));
header.zipsize = compressed.length;
byte[] checksum = getChecksum(data);
@ -135,25 +132,55 @@ public final class WMF extends Metafile {
* <li>short Checksum; Checksum value for previous 10 shorts
* </ul>
*/
public class AldusHeader{
@SuppressWarnings("unused")
public static class NativeHeader {
public static final int APMHEADER_KEY = 0x9AC6CDD7;
private static POILogger logger = POILogFactory.getLogger(NativeHeader.class);
public int handle;
public int left, top, right, bottom;
public int inch = 72; //default resolution is 72 dpi
public int reserved;
public int checksum;
private final int handle;
private final int left, top, right, bottom;
public void read(byte[] data, int offset){
int pos = offset;
/**
* The number of logical units per inch used to represent the image.
* This value can be used to scale an image. By convention, an image is
* considered to be recorded at 1440 logical units (twips) per inch.
* Thus, a value of 720 specifies that the image SHOULD be rendered at
* twice its normal size, and a value of 2880 specifies that the image
* SHOULD be rendered at half its normal size.
*/
private final int inch;
private final int reserved;
private int checksum;
public NativeHeader(Rectangle dim) {
handle = 0;
left = dim.x;
top = dim.y;
right = dim.x + dim.width;
bottom = dim.y + dim.height;
inch = Units.POINT_DPI; //default resolution is 72 dpi
reserved = 0;
}
public NativeHeader(byte[] data, int pos) {
int key = LittleEndian.getInt(data, pos); pos += LittleEndian.INT_SIZE; //header key
if (key != APMHEADER_KEY) throw new HSLFException("Not a valid WMF file");
if (key != APMHEADER_KEY) {
logger.log(POILogger.WARN, "WMF file doesn't contain a placeable header - ignore parsing");
handle = 0;
left = 0;
top = 0;
right = 200;
bottom = 200;
inch = Units.POINT_DPI; //default resolution is 72 dpi
reserved = 0;
return;
}
handle = LittleEndian.getUShort(data, pos); pos += LittleEndian.SHORT_SIZE;
left = LittleEndian.getUShort(data, pos); pos += LittleEndian.SHORT_SIZE;
top = LittleEndian.getUShort(data, pos); pos += LittleEndian.SHORT_SIZE;
right = LittleEndian.getUShort(data, pos); pos += LittleEndian.SHORT_SIZE;
bottom = LittleEndian.getUShort(data, pos); pos += LittleEndian.SHORT_SIZE;
left = LittleEndian.getShort(data, pos); pos += LittleEndian.SHORT_SIZE;
top = LittleEndian.getShort(data, pos); pos += LittleEndian.SHORT_SIZE;
right = LittleEndian.getShort(data, pos); pos += LittleEndian.SHORT_SIZE;
bottom = LittleEndian.getShort(data, pos); pos += LittleEndian.SHORT_SIZE;
inch = LittleEndian.getUShort(data, pos); pos += LittleEndian.SHORT_SIZE;
reserved = LittleEndian.getInt(data, pos); pos += LittleEndian.INT_SIZE;
@ -169,15 +196,15 @@ public final class WMF extends Metafile {
* The checksum is calculated by XORing each short value to an initial value of 0:
*/
public int getChecksum(){
int checksum = 0;
checksum ^= (APMHEADER_KEY & 0x0000FFFF);
checksum ^= ((APMHEADER_KEY & 0xFFFF0000) >> 16);
checksum ^= left;
checksum ^= top;
checksum ^= right;
checksum ^= bottom;
checksum ^= inch;
return checksum;
int cs = 0;
cs ^= (APMHEADER_KEY & 0x0000FFFF);
cs ^= ((APMHEADER_KEY & 0xFFFF0000) >> 16);
cs ^= left;
cs ^= top;
cs ^= right;
cs ^= bottom;
cs ^= inch;
return cs;
}
public void write(OutputStream out) throws IOException {
@ -198,7 +225,13 @@ public final class WMF extends Metafile {
out.write(header);
}
public int getSize(){
public Dimension getSize() {
//coefficient to translate from WMF dpi to 72dpi
double coeff = ((double)Units.POINT_DPI)/inch;
return new Dimension((int)Math.round((right-left)*coeff), (int)Math.round((bottom-top)*coeff));
}
public int getLength(){
return 22;
}
}

17
src/scratchpad/src/org/apache/poi/hslf/extractor/ImageExtractor.java
View File

@ -17,11 +17,14 @@
package org.apache.poi.hslf.extractor;
import org.apache.poi.hslf.usermodel.*;
import org.apache.poi.sl.usermodel.PictureData.PictureType;
import java.io.IOException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import org.apache.poi.hslf.usermodel.HSLFPictureData;
import org.apache.poi.hslf.usermodel.HSLFSlideShow;
import org.apache.poi.hslf.usermodel.HSLFSlideShowImpl;
import org.apache.poi.sl.usermodel.PictureData.PictureType;
/**
* Utility to extract pictures from a PowerPoint file.
@ -38,9 +41,9 @@ public final class ImageExtractor {
HSLFSlideShow ppt = new HSLFSlideShow(new HSLFSlideShowImpl(args[0]));
//extract all pictures contained in the presentation
HSLFPictureData[] pdata = ppt.getPictureData();
for (int i = 0; i < pdata.length; i++) {
HSLFPictureData pict = pdata[i];
List<HSLFPictureData> pdata = ppt.getPictureData();
for (int i = 0; i < pdata.size(); i++) {
HSLFPictureData pict = pdata.get(i);
// picture data
byte[] data = pict.getData();

8
src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFFill.java
View File

@ -264,7 +264,7 @@ public final class HSLFFill {
if (p == null) return null;
HSLFSlideShow ppt = shape.getSheet().getSlideShow();
HSLFPictureData[] pict = ppt.getPictureData();
List<HSLFPictureData> pict = ppt.getPictureData();
Document doc = ppt.getDocumentRecord();
EscherContainerRecord dggContainer = doc.getPPDrawingGroup().getDggContainer();
@ -276,9 +276,9 @@ public final class HSLFFill {
logger.log(POILogger.WARN, "no reference to picture data found ");
} else {
EscherBSERecord bse = (EscherBSERecord)lst.get(idx - 1);
for ( int i = 0; i < pict.length; i++ ) {
if (pict[i].getOffset() == bse.getOffset()){
return pict[i];
for (HSLFPictureData pd : pict) {
if (pd.getOffset() == bse.getOffset()){
return pd;
}
}
}

12
src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFPictureData.java
View File

@ -34,8 +34,6 @@ import org.apache.poi.util.*;
*/
public abstract class HSLFPictureData implements PictureData {
protected POILogger logger = POILogFactory.getLogger(this.getClass());
/**
* Size of the image checksum calculated using MD5 algorithm.
*/
@ -116,6 +114,10 @@ public abstract class HSLFPictureData implements PictureData {
return uid;
}
@Override
public byte[] getChecksum() {
return getChecksum(getData());
}
/**
* Compute 16-byte checksum of this picture using MD5 algorithm.
@ -141,13 +143,13 @@ public abstract class HSLFPictureData implements PictureData {
LittleEndian.putUShort(data, 0, pt.nativeId + 0xF018);
out.write(data);
byte[] rawdata = getRawData();
byte[] rd = getRawData();
data = new byte[LittleEndian.INT_SIZE];
LittleEndian.putInt(data, 0, rawdata.length);
LittleEndian.putInt(data, 0, rd.length);
out.write(data);
out.write(rawdata);
out.write(rd);
}
/**

44
src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFPictureShape.java
View File

@ -17,15 +17,11 @@
package org.apache.poi.hslf.usermodel;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.List;
import javax.imageio.ImageIO;
import org.apache.poi.ddf.AbstractEscherOptRecord;
import org.apache.poi.ddf.EscherBSERecord;
import org.apache.poi.ddf.EscherComplexProperty;
@ -34,7 +30,6 @@ import org.apache.poi.ddf.EscherProperties;
import org.apache.poi.ddf.EscherRecord;
import org.apache.poi.ddf.EscherSimpleProperty;
import org.apache.poi.ddf.EscherSpRecord;
import org.apache.poi.hslf.blip.Bitmap;
import org.apache.poi.hslf.record.Document;
import org.apache.poi.sl.usermodel.PictureShape;
import org.apache.poi.sl.usermodel.ShapeContainer;
@ -121,43 +116,30 @@ public class HSLFPictureShape extends HSLFSimpleShape implements PictureShape<HS
/**
* Resize this picture to the default size.
* For PNG and JPEG resizes the image to 100%,
* for other types sets the default size of 200x200 pixels.
* for other types, if the size can't be determined it will be 200x200 pixels.
*/
public void setDefaultSize(){
HSLFPictureData pict = getPictureData();
if (pict instanceof Bitmap){
BufferedImage img = null;
try {
img = ImageIO.read(new ByteArrayInputStream(pict.getData()));
}
catch (IOException e){}
catch (NegativeArraySizeException ne) {}
if(img != null) {
// Valid image, set anchor from it
setAnchor(new Rectangle2D.Double(0, 0, Units.pixelToPoints(img.getWidth()), Units.pixelToPoints(img.getHeight())));
} else {
// Invalid image, go with the default metafile size
setAnchor(new Rectangle2D.Double(0, 0, 200, 200));
}
} else {
//default size of a metafile picture is 200x200
setAnchor(new Rectangle2D.Double(50, 50, 200, 200));
}
Dimension dim = getPictureData().getImageDimension();
Rectangle2D origRect = getAnchor2D();
double x = origRect.getX();
double y = origRect.getY();
double w = Units.pixelToPoints((int)dim.getWidth());
double h = Units.pixelToPoints((int)dim.getHeight());
setAnchor(new Rectangle2D.Double(x, y, w, h));
}
@Override
public HSLFPictureData getPictureData(){
HSLFSlideShow ppt = getSheet().getSlideShow();
HSLFPictureData[] pict = ppt.getPictureData();
List<HSLFPictureData> pict = ppt.getPictureData();
EscherBSERecord bse = getEscherBSERecord();
if (bse == null){
logger.log(POILogger.ERROR, "no reference to picture data found ");
} else {
for ( int i = 0; i < pict.length; i++ ) {
if (pict[i].getOffset() == bse.getOffset()){
return pict[i];
for (HSLFPictureData pd : pict) {
if (pd.getOffset() == bse.getOffset()){
return pd;
}
}
logger.log(POILogger.ERROR, "no picture found for our BSE offset " + bse.getOffset());

35
src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShow.java
View File

@ -41,8 +41,33 @@ import org.apache.poi.hslf.exceptions.HSLFException;
import org.apache.poi.hslf.model.HeadersFooters;
import org.apache.poi.hslf.model.MovieShape;
import org.apache.poi.hslf.model.PPFont;
import org.apache.poi.hslf.record.*;
import org.apache.poi.hslf.record.Document;
import org.apache.poi.hslf.record.DocumentAtom;
import org.apache.poi.hslf.record.ExAviMovie;
import org.apache.poi.hslf.record.ExControl;
import org.apache.poi.hslf.record.ExEmbed;
import org.apache.poi.hslf.record.ExEmbedAtom;
import org.apache.poi.hslf.record.ExHyperlink;
import org.apache.poi.hslf.record.ExHyperlinkAtom;
import org.apache.poi.hslf.record.ExMCIMovie;
import org.apache.poi.hslf.record.ExObjList;
import org.apache.poi.hslf.record.ExObjListAtom;
import org.apache.poi.hslf.record.ExOleObjAtom;
import org.apache.poi.hslf.record.ExOleObjStg;
import org.apache.poi.hslf.record.ExVideoContainer;
import org.apache.poi.hslf.record.FontCollection;
import org.apache.poi.hslf.record.FontEntityAtom;
import org.apache.poi.hslf.record.HeadersFootersContainer;
import org.apache.poi.hslf.record.PersistPtrHolder;
import org.apache.poi.hslf.record.PositionDependentRecord;
import org.apache.poi.hslf.record.PositionDependentRecordContainer;
import org.apache.poi.hslf.record.Record;
import org.apache.poi.hslf.record.RecordContainer;
import org.apache.poi.hslf.record.RecordTypes;
import org.apache.poi.hslf.record.SlideListWithText;
import org.apache.poi.hslf.record.SlideListWithText.SlideAtomsSet;
import org.apache.poi.hslf.record.SlidePersistAtom;
import org.apache.poi.hslf.record.UserEditAtom;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.sl.usermodel.MasterSheet;
@ -486,11 +511,9 @@ public final class HSLFSlideShow implements SlideShow<HSLFShape,HSLFTextParagrap
return _titleMasters;
}
/**
* Returns the data of all the pictures attached to the SlideShow
*/
public HSLFPictureData[] getPictureData() {
return _hslfSlideShow.getPictures();
@Override
public List<HSLFPictureData> getPictureData() {
return _hslfSlideShow.getPictureData();
}
/**

102
src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowImpl.java
View File

@ -19,12 +19,13 @@ package org.apache.poi.hslf.usermodel;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.GeneralSecurityException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
@ -84,13 +85,13 @@ public final class HSLFSlideShowImpl extends POIDocument {
// Embedded objects stored in storage records in the document stream, lazily populated.
private HSLFObjectData[] _objects;
/**
* Returns the directory in the underlying POIFSFileSystem for the
* document that is open.
*/
protected DirectoryNode getPOIFSDirectory() {
return directory;
}
/**
* Returns the directory in the underlying POIFSFileSystem for the
* document that is open.
*/
protected DirectoryNode getPOIFSDirectory() {
return directory;
}
/**
* Constructs a Powerpoint document from fileName. Parses the document
@ -99,9 +100,9 @@ public final class HSLFSlideShowImpl extends POIDocument {
* @param fileName The name of the file to read.
* @throws IOException if there is a problem while parsing the document.
*/
public HSLFSlideShowImpl(String fileName) throws IOException
{
this(new FileInputStream(fileName));
@SuppressWarnings("resource")
public HSLFSlideShowImpl(String fileName) throws IOException {
this(new POIFSFileSystem(new File(fileName)));
}
/**
@ -111,7 +112,8 @@ public final class HSLFSlideShowImpl extends POIDocument {
* @param inputStream the source of the data
* @throws IOException if there is a problem while parsing the document.
*/
public HSLFSlideShowImpl(InputStream inputStream) throws IOException {
@SuppressWarnings("resource")
public HSLFSlideShowImpl(InputStream inputStream) throws IOException {
//do Ole stuff
this(new POIFSFileSystem(inputStream));
}
@ -123,38 +125,35 @@ public final class HSLFSlideShowImpl extends POIDocument {
* @param filesystem the POIFS FileSystem to read from
* @throws IOException if there is a problem while parsing the document.
*/
public HSLFSlideShowImpl(POIFSFileSystem filesystem) throws IOException
{
public HSLFSlideShowImpl(POIFSFileSystem filesystem) throws IOException {
this(filesystem.getRoot());
}
/**
* Constructs a Powerpoint document from a POIFS Filesystem. Parses the
* document and places all the important stuff into data structures.
*
* @param filesystem the POIFS FileSystem to read from
* @throws IOException if there is a problem while parsing the document.
*/
public HSLFSlideShowImpl(NPOIFSFileSystem filesystem) throws IOException
{
this(filesystem.getRoot());
}
/**
* Constructs a Powerpoint document from a POIFS Filesystem. Parses the
* document and places all the important stuff into data structures.
*
* @param filesystem the POIFS FileSystem to read from
* @throws IOException if there is a problem while parsing the document.
*/
public HSLFSlideShowImpl(NPOIFSFileSystem filesystem) throws IOException {
this(filesystem.getRoot());
}
/**
* Constructs a Powerpoint document from a specific point in a
* POIFS Filesystem. Parses the document and places all the
* important stuff into data structures.
*
* @deprecated Use {@link #HSLFSlideShowImpl(DirectoryNode)} instead
* @param dir the POIFS directory to read from
* @param filesystem the POIFS FileSystem to read from
* @throws IOException if there is a problem while parsing the document.
*/
@Deprecated
public HSLFSlideShowImpl(DirectoryNode dir, POIFSFileSystem filesystem) throws IOException
{
this(dir);
}
/**
* Constructs a Powerpoint document from a specific point in a
* POIFS Filesystem. Parses the document and places all the
* important stuff into data structures.
*
* @deprecated Use {@link #HSLFSlideShowImpl(DirectoryNode)} instead
* @param dir the POIFS directory to read from
* @param filesystem the POIFS FileSystem to read from
* @throws IOException if there is a problem while parsing the document.
*/
@Deprecated
public HSLFSlideShowImpl(DirectoryNode dir, POIFSFileSystem filesystem) throws IOException {
this(dir);
}
/**
* Constructs a Powerpoint document from a specific point in a
@ -196,12 +195,16 @@ public final class HSLFSlideShowImpl extends POIDocument {
public static final HSLFSlideShowImpl create() {
InputStream is = HSLFSlideShowImpl.class.getResourceAsStream("/org/apache/poi/hslf/data/empty.ppt");
if (is == null) {
throw new RuntimeException("Missing resource 'empty.ppt'");
throw new HSLFException("Missing resource 'empty.ppt'");
}
try {
return new HSLFSlideShowImpl(is);
try {
return new HSLFSlideShowImpl(is);
} finally {
is.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
throw new HSLFException(e);
}
}
@ -362,7 +365,6 @@ public final class HSLFSlideShowImpl extends POIDocument {
* Find and read in pictures contained in this presentation.
* This is lazily called as and when we want to touch pictures.
*/
@SuppressWarnings("unused")
private void readPictures() throws IOException {
_pictures = new ArrayList<HSLFPictureData>();
@ -503,6 +505,7 @@ public final class HSLFSlideShowImpl extends POIDocument {
// Dummy write out, so the position winds on properly
record.writeOut(cos);
}
cos.close();
assert(usr != null && ptr != null);
@ -596,6 +599,7 @@ public final class HSLFSlideShowImpl extends POIDocument {
// Update our cached copy of the bytes that make up the PPT stream
_docstream = new byte[baos.size()];
System.arraycopy(baos.getBuf(), 0, _docstream, 0, baos.size());
baos.close();
// Write the PPT stream into the POIFS layer
ByteArrayInputStream bais = new ByteArrayInputStream(_docstream);
@ -618,6 +622,7 @@ public final class HSLFSlideShowImpl extends POIDocument {
new ByteArrayInputStream(pict.getBuf(), 0, pict.size()), "Pictures"
);
writtenEntries.add("Pictures");
pict.close();
}
// If requested, write out any other streams we spot
@ -627,6 +632,7 @@ public final class HSLFSlideShowImpl extends POIDocument {
// Send the POIFSFileSystem object out to the underlying stream
outFS.writeFilesystem(out);
outFS.close();
}
/**
@ -740,12 +746,12 @@ public final class HSLFSlideShowImpl extends POIDocument {
public CurrentUserAtom getCurrentUserAtom() { return currentUser; }
/**
* Return array of pictures contained in this presentation
* Return list of pictures contained in this presentation
*
* @return array with the read pictures or <code>null</code> if the
* @return list with the read pictures or an empty list if the
* presentation doesn't contain pictures.
*/
public HSLFPictureData[] getPictures() {
public List<HSLFPictureData> getPictureData() {
if(_pictures == null) {
try {
readPictures();
@ -754,7 +760,7 @@ public final class HSLFSlideShowImpl extends POIDocument {
}
}
return _pictures.toArray(new HSLFPictureData[_pictures.size()]);
return Collections.unmodifiableList(_pictures);
}
/**

8
src/scratchpad/testcases/org/apache/poi/hslf/model/TestOleEmbedding.java
View File

@ -22,6 +22,7 @@ import static org.junit.Assert.assertEquals;
import java.awt.geom.Rectangle2D;
import java.io.*;
import java.util.List;
import org.apache.poi.POIDataSamples;
import org.apache.poi.hslf.usermodel.*;
@ -44,8 +45,8 @@ public final class TestOleEmbedding {
public void testOleEmbedding2003() throws Exception {
HSLFSlideShowImpl slideShow = new HSLFSlideShowImpl(_slTests.openResourceAsStream("ole2-embedding-2003.ppt"));
// Placeholder EMFs for clients that don't support the OLE components.
HSLFPictureData[] pictures = slideShow.getPictures();
assertEquals("Should be two pictures", 2, pictures.length);
List<HSLFPictureData> pictures = slideShow.getPictureData();
assertEquals("Should be two pictures", 2, pictures.size());
//assertDigestEquals("Wrong data for picture 1", "8d1fbadf4814f321bb1ccdd056e3c788", pictures[0].getData());
//assertDigestEquals("Wrong data for picture 2", "987a698e83559cf3d38a0deeba1cc63b", pictures[1].getData());
@ -137,5 +138,8 @@ public final class TestOleEmbedding {
assertArrayEquals(expData, compData);
poiData1.close();
poiData2.close();
}
}

20
src/scratchpad/testcases/org/apache/poi/hslf/record/TestDocumentEncryption.java
View File

@ -26,6 +26,7 @@ import static org.junit.Assert.fail;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.security.MessageDigest;
import java.util.List;
import org.apache.commons.codec.binary.Base64;
import org.apache.poi.POIDataSamples;
@ -34,7 +35,11 @@ import org.apache.poi.hpsf.PropertySet;
import org.apache.poi.hpsf.PropertySetFactory;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hslf.exceptions.EncryptedPowerPointFileException;
import org.apache.poi.hslf.usermodel.*;
import org.apache.poi.hslf.usermodel.HSLFPictureData;
import org.apache.poi.hslf.usermodel.HSLFSlide;
import org.apache.poi.hslf.usermodel.HSLFSlideShow;
import org.apache.poi.hslf.usermodel.HSLFSlideShowImpl;
import org.apache.poi.hslf.usermodel.HSLFTextParagraph;
import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey;
import org.apache.poi.poifs.crypt.CryptoFunctions;
import org.apache.poi.poifs.crypt.EncryptionInfo;
@ -84,7 +89,7 @@ public class TestDocumentEncryption {
NPOIFSFileSystem fs = new NPOIFSFileSystem(slTests.getFile(pptFile), true);
HSLFSlideShowImpl hss = new HSLFSlideShowImpl(fs);
// need to cache data (i.e. read all data) before changing the key size
HSLFPictureData picsExpected[] = hss.getPictures();
List<HSLFPictureData> picsExpected = hss.getPictureData();
hss.getDocumentSummaryInformation();
EncryptionInfo ei = hss.getDocumentEncryptionAtom().getEncryptionInfo();
((CryptoAPIEncryptionHeader)ei.getHeader()).setKeySize(0x78);
@ -95,12 +100,12 @@ public class TestDocumentEncryption {
fs = new NPOIFSFileSystem(new ByteArrayInputStream(bos.toByteArray()));
hss = new HSLFSlideShowImpl(fs);
HSLFPictureData picsActual[] = hss.getPictures();
List<HSLFPictureData> picsActual = hss.getPictureData();
fs.close();
assertEquals(picsExpected.length, picsActual.length);
for (int i=0; i<picsExpected.length; i++) {
assertArrayEquals(picsExpected[i].getRawData(), picsActual[i].getRawData());
assertEquals(picsExpected.size(), picsActual.size());
for (int i=0; i<picsExpected.size(); i++) {
assertArrayEquals(picsExpected.get(i).getRawData(), picsActual.get(i).getRawData());
}
}
@ -158,7 +163,7 @@ public class TestDocumentEncryption {
};
MessageDigest md = CryptoFunctions.getMessageDigest(HashAlgorithm.sha1);
HSLFPictureData pd[] = hss.getPictures();
List<HSLFPictureData> pd = hss.getPictureData();
int i = 0;
for (HSLFPictureData p : pd) {
byte hash[] = md.digest(p.getData());
@ -177,5 +182,6 @@ public class TestDocumentEncryption {
assertTrue(ps.isDocumentSummaryInformation());
assertEquals("On-screen Show (4:3)", ps.getProperties()[1].getValue());
fs.close();
fs2.close();
}
}

8
src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java
View File

@ -77,10 +77,10 @@ public final class TestBugs {
assertEquals(1, ppt.getSlides().size());
HSLFPictureData[] pict = ppt.getPictureData();
assertEquals(2, pict.length);
assertEquals(PictureType.JPEG, pict[0].getType());
assertEquals(PictureType.JPEG, pict[1].getType());
List<HSLFPictureData> pict = ppt.getPictureData();
assertEquals(2, pict.size());
assertEquals(PictureType.JPEG, pict.get(0).getType());
assertEquals(PictureType.JPEG, pict.get(1).getType());
}
/**

5
src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestPicture.java
View File

@ -34,6 +34,7 @@ import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.util.BitSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.imageio.ImageIO;
@ -117,8 +118,8 @@ public final class TestPicture {
public void macImages() throws Exception {
HSLFSlideShowImpl hss = new HSLFSlideShowImpl(_slTests.openResourceAsStream("53446.ppt"));
HSLFPictureData[] pictures = hss.getPictures();
assertEquals(15, pictures.length);
List<HSLFPictureData> pictures = hss.getPictureData();
assertEquals(15, pictures.size());
int[][] expectedSizes = {
null, // WMF

183
src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestPictures.java
View File

@ -18,24 +18,32 @@
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.net.URL;
import java.util.List;
import junit.framework.TestCase;
import org.apache.poi.POIDataSamples;
import org.apache.poi.hslf.blip.*;
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.usermodel.PictureData.PictureType;
import org.junit.Ignore;
import org.junit.Test;
/**
* Test adding/reading pictures
*
* @author Yegor Kozlov
*/
public final class TestPictures extends TestCase{
public final class TestPictures {
private static POIDataSamples slTests = POIDataSamples.getSlideShowInstance();
//protected File cwd;
@ -43,12 +51,23 @@ public final class TestPictures extends TestCase{
/**
* Test read/write Macintosh PICT
*/
@Test
public void testPICT() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();
HSLFSlide slide = ppt.createSlide();
byte[] src_bytes = slTests.readFile("cow.pict");
HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.PICT);
PICT.NativeHeader nHeader = new PICT.NativeHeader(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.getImageDimension();
assertEquals(expWidth, dim.getWidth(), 0);
assertEquals(expHeight, dim.getHeight(), 0);
HSLFPictureShape pict = new HSLFPictureShape(data);
assertEquals(data.getIndex(), pict.getPictureIndex());
slide.addShape(pict);
@ -67,15 +86,22 @@ public final class TestPictures extends TestCase{
assertEquals(data.getIndex(), pict.getPictureIndex());
//check picture data
HSLFPictureData[] pictures = ppt.getPictureData();
//the Picture shape refers to the PictureData object in the Presentation
assertEquals(pict.getPictureData(), pictures[0]);
List<HSLFPictureData> pictures = ppt.getPictureData();
assertEquals(1, pictures.size());
assertEquals(1, pictures.length);
assertEquals(PictureType.PICT, pictures[0].getType());
assertTrue(pictures[0] instanceof PICT);
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 = pictures[0].getData();
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];
@ -88,12 +114,23 @@ public final class TestPictures extends TestCase{
/**
* Test read/write WMF
*/
@Test
public void testWMF() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();
HSLFSlide slide = ppt.createSlide();
byte[] src_bytes = slTests.readFile("santa.wmf");
HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.WMF);
WMF.NativeHeader nHeader = new WMF.NativeHeader(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.getImageDimension();
assertEquals(expWidth, dim.getWidth(), 0);
assertEquals(expHeight, dim.getHeight(), 0);
HSLFPictureShape pict = new HSLFPictureShape(data);
assertEquals(data.getIndex(), pict.getPictureIndex());
slide.addShape(pict);
@ -112,15 +149,21 @@ public final class TestPictures extends TestCase{
assertEquals(data.getIndex(), pict.getPictureIndex());
//check picture data
HSLFPictureData[] pictures = ppt.getPictureData();
//the Picture shape refers to the PictureData object in the Presentation
assertEquals(pict.getPictureData(), pictures[0]);
List<HSLFPictureData> pictures = ppt.getPictureData();
assertEquals(1, pictures.size());
assertEquals(1, pictures.length);
assertEquals(PictureType.WMF, pictures[0].getType());
assertTrue(pictures[0] instanceof WMF);
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 = pictures[0].getData();
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];
@ -133,12 +176,22 @@ public final class TestPictures extends TestCase{
/**
* Test read/write EMF
*/
@Test
public void testEMF() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();
HSLFSlide slide = ppt.createSlide();
byte[] src_bytes = slTests.readFile("wrench.emf");
HSLFPictureData data = ppt.addPicture(src_bytes, PictureType.EMF);
EMF.NativeHeader nHeader = new EMF.NativeHeader(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.getImageDimension();
assertEquals(expWidth, dim.getWidth(), 0);
assertEquals(expHeight, dim.getHeight(), 0);
HSLFPictureShape pict = new HSLFPictureShape(data);
assertEquals(data.getIndex(), pict.getPictureIndex());
@ -158,21 +211,29 @@ public final class TestPictures extends TestCase{
assertEquals(data.getIndex(), pict.getPictureIndex());
//check picture data
HSLFPictureData[] pictures = ppt.getPictureData();
//the Picture shape refers to the PictureData object in the Presentation
assertEquals(pict.getPictureData(), pictures[0]);
List<HSLFPictureData> pictures = ppt.getPictureData();
assertEquals(1, pictures.size());
assertEquals(1, pictures.length);
assertEquals(PictureType.EMF, pictures[0].getType());
assertTrue(pictures[0] instanceof EMF);
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 = pictures[0].getData();
byte[] ppt_bytes = pd.getData();
assertArrayEquals(src_bytes, ppt_bytes);
}
/**
* Test read/write PNG
*/
@Test
public void testPNG() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();
@ -197,21 +258,22 @@ public final class TestPictures extends TestCase{
assertEquals(data.getIndex(), pict.getPictureIndex());
//check picture data
HSLFPictureData[] pictures = ppt.getPictureData();
List<HSLFPictureData> pictures = ppt.getPictureData();
//the Picture shape refers to the PictureData object in the Presentation
assertEquals(pict.getPictureData(), pictures[0]);
assertEquals(pict.getPictureData(), pictures.get(0));
assertEquals(1, pictures.length);
assertEquals(PictureType.PNG, pictures[0].getType());
assertTrue(pictures[0] instanceof PNG);
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[0].getData();
byte[] ppt_bytes = pictures.get(0).getData();
assertArrayEquals(src_bytes, ppt_bytes);
}
/**
* Test read/write JPEG
*/
@Test
public void testJPEG() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();
@ -237,21 +299,22 @@ public final class TestPictures extends TestCase{
assertEquals(data.getIndex(), pict.getPictureIndex());
//check picture data
HSLFPictureData[] pictures = ppt.getPictureData();
List<HSLFPictureData> pictures = ppt.getPictureData();
//the Picture shape refers to the PictureData object in the Presentation
assertEquals(pict.getPictureData(), pictures[0]);
assertEquals(pict.getPictureData(), pictures.get(0));
assertEquals(1, pictures.length);
assertEquals(PictureType.JPEG, pictures[0].getType());
assertTrue(pictures[0] instanceof JPEG);
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[0].getData();
byte[] ppt_bytes = pictures.get(0).getData();
assertArrayEquals(src_bytes, ppt_bytes);
}
/**
* Test read/write DIB
*/
@Test
public void testDIB() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();
@ -276,21 +339,22 @@ public final class TestPictures extends TestCase{
assertEquals(data.getIndex(), pict.getPictureIndex());
//check picture data
HSLFPictureData[] pictures = ppt.getPictureData();
List<HSLFPictureData> pictures = ppt.getPictureData();
//the Picture shape refers to the PictureData object in the Presentation
assertEquals(pict.getPictureData(), pictures[0]);
assertEquals(pict.getPictureData(), pictures.get(0));
assertEquals(1, pictures.length);
assertEquals(PictureType.DIB, pictures[0].getType());
assertTrue(pictures[0] instanceof DIB);
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[0].getData();
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 Exception {
byte[] src_bytes, ppt_bytes, b1, b2;
@ -299,8 +363,8 @@ public final class TestPictures extends TestCase{
HSLFSlideShow ppt = new HSLFSlideShow(slTests.openResourceAsStream("pictures.ppt"));
List<HSLFSlide> slides = ppt.getSlides();
HSLFPictureData[] pictures = ppt.getPictureData();
assertEquals(5, pictures.length);
List<HSLFPictureData> pictures = ppt.getPictureData();
assertEquals(5, pictures.size());
pict = (HSLFPictureShape)slides.get(0).getShapes().get(0); //the first slide contains JPEG
pdata = pict.getPictureData();
@ -360,21 +424,22 @@ public final class TestPictures extends TestCase{
* Test that on a party corrupt powerpoint document, which has
* crazy pictures of type 0, we do our best.
*/
@Test
public void testZeroPictureType() throws Exception {
HSLFSlideShowImpl hslf = new HSLFSlideShowImpl(slTests.openResourceAsStream("PictureTypeZero.ppt"));
// Should still have 2 real pictures
assertEquals(2, hslf.getPictures().length);
assertEquals(2, hslf.getPictureData().size());
// Both are real pictures, both WMF
assertEquals(PictureType.WMF, hslf.getPictures()[0].getType());
assertEquals(PictureType.WMF, hslf.getPictures()[1].getType());
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<HSLFSlide> slides = ppt.getSlides();
HSLFPictureData[] pictures = ppt.getPictureData();
List<HSLFPictureData> pictures = ppt.getPictureData();
assertEquals(12, slides.size());
assertEquals(2, pictures.length);
assertEquals(2, pictures.size());
HSLFPictureShape pict;
HSLFPictureData pdata;
@ -394,23 +459,25 @@ public final class TestPictures extends TestCase{
* 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
*/
public void disabled_testZeroPictureLength() throws Exception {
@Test
@Ignore
public void testZeroPictureLength() throws Exception {
// 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());
// Should still have 2 real pictures
assertEquals(2, hslf.getPictures().length);
assertEquals(2, hslf.getPictureData().size());
// Both are real pictures, both WMF
assertEquals(PictureType.WMF, hslf.getPictures()[0].getType());
assertEquals(PictureType.WMF, hslf.getPictures()[1].getType());
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<HSLFSlide> slides = ppt.getSlides();
HSLFPictureData[] pictures = ppt.getPictureData();
List<HSLFPictureData> pictures = ppt.getPictureData();
assertEquals(27, slides.size());
assertEquals(2, pictures.length);
assertEquals(2, pictures.size());
HSLFPictureShape pict;
HSLFPictureData pdata;
@ -436,10 +503,11 @@ public final class TestPictures extends TestCase{
data.setData(new byte[100]);
int offset = hslf.addPicture(data);
assertEquals(streamSize, offset);
assertEquals(3, ppt.getPictureData().length);
assertEquals(3, ppt.getPictureData().size());
}
@Test
public void testGetPictureName() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow(slTests.openResourceAsStream("ppt_with_png.ppt"));
HSLFSlide slide = ppt.getSlides().get(0);
@ -448,6 +516,7 @@ public final class TestPictures extends TestCase{
assertEquals("test", p.getPictureName());
}
@Test
public void testSetPictureName() throws Exception {
HSLFSlideShow ppt = new HSLFSlideShow();