import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
private void writeImageToPDF(PDJpeg img, int c, int size) throws IOException {
	PDPageContentStream cs = new PDPageContentStream(document, page, true, false);
				
	float x = getLeftX();
	float y = page.getYCursor()-img.getHeight();

	if (c>0&&(c%2==0)) {
		x+=350;
	}
	
	if (size > 0) {
		y = page.getYCursor()-400;
	}
	if (isFullPage())
		  y = page.getLowY();
		cs.drawImage(img, x, y);
 		cs.close();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
/**
 * Applying the code to the OP's sample file from a former question.
 * 
 * @throws IOException
 * @throws CryptographyException
 * @throws COSVisitorException
 */
@Test
public void testDrunkenFistSample() throws IOException, CryptographyException, COSVisitorException
{
    try (   InputStream resource = getClass().getResourceAsStream("sample.pdf");
            InputStream left = getClass().getResourceAsStream("left.png");
            InputStream right = getClass().getResourceAsStream("right.png");
            PDDocument document = PDDocument.load(resource) )
    {
        if (document.isEncrypted())
        {
            document.decrypt("");
        }
        
        PDJpeg leftImage = new PDJpeg(document, ImageIO.read(left));
        PDJpeg rightImage = new PDJpeg(document, ImageIO.read(right));

        ImageLocator locator = new ImageLocator();
        List<?> allPages = document.getDocumentCatalog().getAllPages();
        for (int i = 0; i < allPages.size(); i++)
        {
            PDPage page = (PDPage) allPages.get(i);
            locator.processStream(page, page.findResources(), page.getContents().getStream());
        }

        for (ImageLocation location : locator.getLocations())
        {
            PDRectangle cropBox = location.getPage().findCropBox();
            float center = (cropBox.getLowerLeftX() + cropBox.getUpperRightX()) / 2.0f;
            PDJpeg image = location.getMatrix().getXPosition() < center ? leftImage : rightImage;
            AffineTransform transform = location.getMatrix().createAffineTransform();

            PDPageContentStream content = new PDPageContentStream(document, location.getPage(), true, false, true);
            content.drawXObject(image, transform);
            content.close();
        }

        document.save(new File(RESULT_FOLDER, "sample-changed.pdf"));
    }
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
private Dimension getImageDimensions(PDJpeg img) {
	float maxWidth = 200;
	float maxHeight = 80;
	float width = img.getWidth();
	float height = img.getHeight();
	System.out.println("Image of size "+width+"x"+height+"px was resized to:");
	while (width > maxWidth) {
		height = (maxWidth / width) * height;
		width = maxWidth;
	}
	while (height > maxHeight) {
		width = (maxHeight / height) * width;
		height = maxHeight;
	}
	System.out.println(width+"x"+height+"px.");
	
	return new Dimension((int) width,(int) height);
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
public void create(TableCache cache, ArrayReducer reducer, int c, int size, String title) throws IOException {
	if (chart == null)
		return;
	
	configureChart(chart, cache);
	if (cache != null) {
		for(String key : cache.keySet()) {
			chart.insertData(key, reducer.reduce(cache.get(key)));
		}
	}
	if (reducer.headers().length > 0)
		chart.setHeaders(reducer.headers());
	
	int width = (int)getWidth();
	int height = 400;
	if (size > 0) {
		width  = (width/2)-10;
	}
	if (isFullPage()) {
		height = (int)getHeight();
	}
	PDJpeg img = build(chart, title, document, width, height);
	writeImageToPDF(img, c, size);
	if (c>0&&(c%2==0))
		scrolldown();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
private PDJpeg build(Chart<Float> chart, String title, PDFDocument document, int width, int height) throws IOException {
       
       JFreeChart obj = null;
       try {
       	obj = chart.createChart(title);
       } catch (Exception ex) {
       	ex.printStackTrace();
       	throw new IOException(ex);
       }
       
    	// output as file
       File outputFile = File.createTempFile("img", "jpg");
       ChartUtilities.saveChartAsJPEG(outputFile, obj, width, height);
      
       PDJpeg img = new PDJpeg(document, new FileInputStream(outputFile) );
       outputFile.delete();
       
	return img;
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
public PdfRenderingEndorsementAlternative(PDDocument doc, InputStream logo, 
        String[] header) throws IOException
{
    this.doc = doc;
    this.header = header;
    logoImg = new PDJpeg(doc, logo);
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
/**
 * {@link #doSignOriginal(InputStream, InputStream, File)} changed to add the image and sign at the same time.
 */
public void doSignOneStep(InputStream inputStream, InputStream logoStream, File outputDocument) throws Exception
{
    byte inputBytes[] = IOUtils.toByteArray(inputStream);
    PDDocument pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));

    PDJpeg ximage = new PDJpeg(pdDocument, ImageIO.read(logoStream));
    PDPage page = (PDPage) pdDocument.getDocumentCatalog().getAllPages().get(0);
    PDPageContentStream contentStream = new PDPageContentStream(pdDocument, page, true, true);
    contentStream.drawXObject(ximage, 50, 50, 356, 40);
    contentStream.close();

    page.getResources().getCOSObject().setNeedToBeUpdate(true);
    page.getResources().getCOSDictionary().getDictionaryObject(COSName.XOBJECT).setNeedToBeUpdate(true);
    ximage.getCOSObject().setNeedToBeUpdate(true);

    PDSignature signature = new PDSignature();
    signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
    signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
    signature.setName("signer name");
    signature.setLocation("signer location");
    signature.setReason("reason for signature");
    signature.setSignDate(Calendar.getInstance());

    pdDocument.addSignature(signature, new TC3());

    FileOutputStream fos = new FileOutputStream(outputDocument);
    fos.write(inputBytes);
    FileInputStream is = new FileInputStream(outputDocument);

    pdDocument.saveIncremental(is, fos);
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
public static void genReport(JSONArray pObjAry) throws IOException, COSVisitorException {

        String imagePath = "C:\\Users\\Bryden\\Desktop\\pie-sample.png";

        List<List<String>> lstContents = new ArrayList<>();

        List<String> aryLst = new ArrayList<>();

        aryLst.add("Incident Type");
        aryLst.add("");

        lstContents.add(aryLst);

        for (Object obj : pObjAry) {
            JSONObject objJson = (JSONObject) obj;

            Iterator<?> keys = objJson.keySet().iterator();

            while (keys.hasNext()) {
                String key = (String) keys.next();
                // loop to get the dynamic key
                String value = (String) objJson.get(key);

                List<String> aryValues = new ArrayList<>();

                aryValues.add(key);
                aryValues.add(value);

                lstContents.add(aryValues);
            }

        }

        try (// Create a document and add a page to it
                PDDocument document = new PDDocument()) {
            PDPage page = new PDPage(PDPage.PAGE_SIZE_A4);
            document.addPage(page);

// Create a new font object selecting one of the PDF base fonts
            PDFont font = PDType1Font.HELVETICA_BOLD;

            InputStream in = Files.newInputStream(Paths.get(imagePath));
            PDJpeg img = new PDJpeg(document, in);

// Define a text content stream using the selected font, moving the cursor and drawing the text "Hello World"
            try (// Start a new content stream which will "hold" the to be created content
                    PDPageContentStream contentStream = new PDPageContentStream(document, page)) {
                // Define a text content stream using the selected font, moving the cursor and drawing the text "Hello World"
                contentStream.beginText();
                contentStream.setFont(font, 20);
                contentStream.moveTextPositionByAmount(70, 720);
                contentStream.drawString("Incident Summary " + new Date());
                contentStream.endText();

                contentStream.beginText();
                contentStream.setFont(font, 20);
                contentStream.moveTextPositionByAmount(100, 670);
                contentStream.drawString("Statistics");
                contentStream.endText();

                contentStream.drawImage(img, 10, 10);

                drawTable(page, contentStream, 650, 100, lstContents);

// Make sure that the content stream is closed:
            }

            img.clear();

// Save the results and ensure that the document is properly closed:
            document.save("Hello World.pdf");
        }
    }
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
@Override
public void create() throws IOException {
	int offset = 0;
 		if (options.get(COVERT_FILE_KEY) != null) {
 			String file = options.get(COVERT_FILE_KEY);
 			PDJpeg img = new PDJpeg(document, new FileInputStream(file) );
 			addCovertImage(img);
 		  	options.remove(COVERT_FILE_KEY);
 		  	options.remove(PDFCOVERT_FILE_KEY);
 		}
  	addTitleAndSubtitle(offset);
 		addFooterReferences();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
private void addCovertImage(PDJpeg file) throws IOException {
	PDPageContentStream cs = new PDPageContentStream(document, this, true, false);
	float xPosition = getLeftX()-(borders/2);
	float yPosition = (this.getTopY()/2) - borders - 10;
		cs.drawImage(file, xPosition, yPosition);
 		cs.close();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
private void scanResources(final PDResources rList, final PDDocument doc)
      throws FileNotFoundException, IOException {
    Map<String, PDXObject> xObs = rList.getXObjects();
    for(String k : xObs.keySet()) {
       final PDXObject xObj = xObs.get(k);
       if(xObj instanceof PDXObjectForm)
            scanResources(((PDXObjectForm) xObj).getResources(), doc);
       if(!(xObj instanceof PDXObjectImage))
            continue;
       PDXObjectImage img = (PDXObjectImage) xObj;
       System.out.println("Compressing image: " + k);
       final Iterator<ImageWriter> jpgWriters = 
               ImageIO.getImageWritersByFormatName("jpeg");
       final ImageWriter jpgWriter = jpgWriters.next();
       final ImageWriteParam iwp = jpgWriter.getDefaultWriteParam();
       iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
       iwp.setCompressionQuality(compQual);
       ByteArrayOutputStream baos = new ByteArrayOutputStream();
       jpgWriter.setOutput(ImageIO.createImageOutputStream(baos));
       jpgWriter.write(null,
               new IIOImage(img.getRGBImage(), null, null), iwp);
       ByteArrayInputStream bais = 
               new ByteArrayInputStream(baos.toByteArray());
       PDJpeg jpg = new PDJpeg(doc, bais);
       xObs.put(k, jpg);
    }
    rList.setXObjects(xObs);
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
@Override
public PDXObjectImage getImage() throws IOException {
    BufferedImage image;
    if (fileName != null) {
        image = ImageIO.read(new File(fileName));
    } else if (url != null) {
        image = ImageIO.read(url);
    } else if (bytes != null) {
        image = ImageIO.read(new ByteArrayInputStream(bytes));
    } else {
        throw new IllegalStateException();
    }
    return new PDJpeg(new PDDocument(), image, 1.0f);
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
public void doSign() throws Exception
{
    byte inputBytes[] = IOUtils.toByteArray(new FileInputStream("resources/rooster.pdf"));
    PDDocument pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));
    PDJpeg ximage = new PDJpeg(pdDocument, ImageIO.read(new File("resources/logo.jpg")));
    PDPage page = (PDPage) pdDocument.getDocumentCatalog().getAllPages().get(0);
    PDPageContentStream contentStream = new PDPageContentStream(pdDocument, page, true, true);
    contentStream.drawXObject(ximage, 50, 50, 356, 40);
    contentStream.close();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    pdDocument.save(os);
    os.flush();
    pdDocument.close();

    inputBytes = os.toByteArray();
    pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));

    PDSignature signature = new PDSignature();
    signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
    signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
    signature.setName("signer name");
    signature.setLocation("signer location");
    signature.setReason("reason for signature");
    signature.setSignDate(Calendar.getInstance());

    pdDocument.addSignature(signature, this);

    File outputDocument = new File("resources/signed.pdf");
    ByteArrayInputStream fis = new ByteArrayInputStream(inputBytes);
    FileOutputStream fos = new FileOutputStream(outputDocument);
    byte[] buffer = new byte[8 * 1024];
    int c;
    while ((c = fis.read(buffer)) != -1)
    {
        fos.write(buffer, 0, c);
    }
    fis.close();
    FileInputStream is = new FileInputStream(outputDocument);

    pdDocument.saveIncremental(is, fos);
    pdDocument.close();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
/**
 * Essentially the original code from {@link TC3#doSign()} with dynamic input streams and output file.
 */
public void doSignOriginal(InputStream inputStream, InputStream logoStream, File outputDocument) throws Exception
{
    byte inputBytes[] = IOUtils.toByteArray(inputStream);
    PDDocument pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));
    PDJpeg ximage = new PDJpeg(pdDocument, ImageIO.read(logoStream));
    PDPage page = (PDPage) pdDocument.getDocumentCatalog().getAllPages().get(0);
    PDPageContentStream contentStream = new PDPageContentStream(pdDocument, page, true, true);
    contentStream.drawXObject(ximage, 50, 50, 356, 40);
    contentStream.close();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    pdDocument.save(os);
    os.flush();
    pdDocument.close();

    inputBytes = os.toByteArray();
    pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));

    PDSignature signature = new PDSignature();
    signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
    signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
    signature.setName("signer name");
    signature.setLocation("signer location");
    signature.setReason("reason for signature");
    signature.setSignDate(Calendar.getInstance());

    pdDocument.addSignature(signature, new TC3());

    ByteArrayInputStream fis = new ByteArrayInputStream(inputBytes);
    FileOutputStream fos = new FileOutputStream(outputDocument);
    byte[] buffer = new byte[8 * 1024];
    int c;
    while ((c = fis.read(buffer)) != -1)
    {
        fos.write(buffer, 0, c);
    }
    fis.close();
    FileInputStream is = new FileInputStream(outputDocument);

    pdDocument.saveIncremental(is, fos);
    pdDocument.close();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
/**
 * {@link #doSignOriginal(InputStream, InputStream, File)} changed to remove the Type entry from the trailer.
 */
public void doSignRemoveType(InputStream inputStream, InputStream logoStream, File outputDocument) throws Exception
{
    byte inputBytes[] = IOUtils.toByteArray(inputStream);
    PDDocument pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));
    PDJpeg ximage = new PDJpeg(pdDocument, ImageIO.read(logoStream));
    PDPage page = (PDPage) pdDocument.getDocumentCatalog().getAllPages().get(0);
    PDPageContentStream contentStream = new PDPageContentStream(pdDocument, page, true, true);
    contentStream.drawXObject(ximage, 50, 50, 356, 40);
    contentStream.close();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    pdDocument.save(os);
    os.flush();
    pdDocument.close();

    inputBytes = os.toByteArray();
    pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));
    pdDocument.getDocument().getTrailer().removeItem(COSName.TYPE);

    PDSignature signature = new PDSignature();
    signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
    signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
    signature.setName("signer name");
    signature.setLocation("signer location");
    signature.setReason("reason for signature");
    signature.setSignDate(Calendar.getInstance());

    pdDocument.addSignature(signature, new TC3());

    ByteArrayInputStream fis = new ByteArrayInputStream(inputBytes);
    FileOutputStream fos = new FileOutputStream(outputDocument);
    byte[] buffer = new byte[8 * 1024];
    int c;
    while ((c = fis.read(buffer)) != -1)
    {
        fos.write(buffer, 0, c);
    }
    fis.close();
    FileInputStream is = new FileInputStream(outputDocument);

    pdDocument.saveIncremental(is, fos);
    pdDocument.close();
}
 

import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg; //导入依赖的package包/类
/**
 * {@link #doSignOriginal(InputStream, InputStream, File)} changed to also save the first change as new revision.
 */
public void doSignTwoRevisions(InputStream inputStream, InputStream logoStream, File intermediateDocument, File outputDocument) throws Exception
{
    FileOutputStream fos = new FileOutputStream(intermediateDocument);
    FileInputStream fis = new FileInputStream(intermediateDocument);

    byte inputBytes[] = IOUtils.toByteArray(inputStream);

    PDDocument pdDocument = PDDocument.load(new ByteArrayInputStream(inputBytes));
    PDJpeg ximage = new PDJpeg(pdDocument, ImageIO.read(logoStream));
    PDPage page = (PDPage) pdDocument.getDocumentCatalog().getAllPages().get(0);
    PDPageContentStream contentStream = new PDPageContentStream(pdDocument, page, true, true);
    contentStream.drawXObject(ximage, 50, 50, 356, 40);
    contentStream.close();

    pdDocument.getDocumentCatalog().getCOSObject().setNeedToBeUpdate(true);
    pdDocument.getDocumentCatalog().getPages().getCOSObject().setNeedToBeUpdate(true);
    page.getCOSObject().setNeedToBeUpdate(true);
    page.getResources().getCOSObject().setNeedToBeUpdate(true);
    page.getResources().getCOSDictionary().getDictionaryObject(COSName.XOBJECT).setNeedToBeUpdate(true);
    ximage.getCOSObject().setNeedToBeUpdate(true);

    fos.write(inputBytes);
    pdDocument.saveIncremental(fis, fos);
    pdDocument.close();

    pdDocument = PDDocument.load(intermediateDocument);

    PDSignature signature = new PDSignature();
    signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
    signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
    signature.setName("signer name");
    signature.setLocation("signer location");
    signature.setReason("reason for signature");
    signature.setSignDate(Calendar.getInstance());

    pdDocument.addSignature(signature, new TC3());

    fos = new FileOutputStream(outputDocument);
    fis = new FileInputStream(outputDocument);
    inputBytes = IOUtils.toByteArray(new FileInputStream(intermediateDocument));

    fos.write(inputBytes);
    pdDocument.saveIncremental(fis, fos);
    pdDocument.close();
}