Java PDPageContentStream.drawXObject方法代码示例

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
void overlayWithDarkenBlendMode(PDDocument document, PDDocument overlay) throws IOException
{
    PDXObjectForm xobject = importAsXObject(document, (PDPage) overlay.getDocumentCatalog().getAllPages().get(0));
    PDExtendedGraphicsState darken = new PDExtendedGraphicsState();
    darken.getCOSDictionary().setName("BM", "Darken");
    
    List<PDPage> pages = document.getDocumentCatalog().getAllPages();

    for (PDPage page: pages)
    {
        Map<String, PDExtendedGraphicsState> states = page.getResources().getGraphicsStates();
        if (states == null)
            states = new HashMap<String, PDExtendedGraphicsState>();
        String darkenKey = MapUtil.getNextUniqueKey(states, "Dkn");
        states.put(darkenKey, darken);
        page.getResources().setGraphicsStates(states);

        PDPageContentStream stream = new PDPageContentStream(document, page, true, false, true);
        stream.appendRawCommands(String.format("/%s gs ", darkenKey));
        stream.drawXObject(xobject, 0, 0, 1, 1);
        stream.close();
    }
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的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.edit.PDPageContentStream; //导入方法依赖的package包/类
private static void drawImageWithScale(PDDocument doc, PDPageContentStream content, String imgPath,
                                       int bufferedImageType, float scale) throws IOException {
    BufferedImage bufferedImage = ImageIO.read(new File(imgPath));
    BufferedImage image = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(), bufferedImageType);
    image.createGraphics().drawRenderedImage(bufferedImage, null);

    PDXObjectImage xImage = new PDPixelMap(doc, image);

    content.drawXObject(xImage, 100, 100, xImage.getWidth() * scale, xImage.getHeight() * scale);
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
public static void drawImage(final BufferedImage image,
    final PDDocument document, final PDPageContentStream contentStream,
    Position upperLeft, final float width, final float height)
    throws IOException {
PDXObjectImage cachedImage = getCachedImage(document, image);
float x = upperLeft.getX();
float y = upperLeft.getY() - height;
contentStream.drawXObject(cachedImage, x, y, width, height);
   }
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
public static void overlayWithDarkenBlendMode(PDDocument document, PDDocument overlay) throws IOException
{
    PDXObjectForm xobject = importAsXObject(document, (PDPage) overlay.getDocumentCatalog().getAllPages().get(0));
    PDExtendedGraphicsState darken = new PDExtendedGraphicsState();
    darken.getCOSDictionary().setName("BM", "Darken");

    List<PDPage> pages = document.getDocumentCatalog().getAllPages();

    for (PDPage page: pages)
    {
        if (page.getResources() == null) {
            page.setResources(page.findResources());
        }

        if (page.getResources() != null) {
            Map<String, PDExtendedGraphicsState> states = page.getResources().getGraphicsStates();
            if (states == null) {
                states = new HashMap<String, PDExtendedGraphicsState>();
            }
            String darkenKey = MapUtil.getNextUniqueKey(states, "Dkn");
            states.put(darkenKey, darken);
            page.getResources().setGraphicsStates(states);
            PDPageContentStream stream = new PDPageContentStream(document, page, true, false, true);
            stream.appendRawCommands(String.format("/%s gs ", darkenKey));
            stream.drawXObject(xobject, 0, 0, 1, 1);
            stream.close();
        }
    }
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的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.edit.PDPageContentStream; //导入方法依赖的package包/类
public void addImageToPage(PDDocument document, int pdfpage, int x, int y, float scale, BufferedImage tmp_image)
        throws IOException {
    // Convert the image to TYPE_4BYTE_ABGR so PDFBox won't throw exceptions
    // (e.g. for transparent png's).
    BufferedImage image = new BufferedImage(tmp_image.getWidth(), tmp_image.getHeight(),
            BufferedImage.TYPE_4BYTE_ABGR);
    image.createGraphics().drawRenderedImage(tmp_image, null);

    PDXObjectImage ximage = new PDPixelMap(document, image);
    PDPage page = (PDPage) document.getDocumentCatalog().getAllPages().get(pdfpage);
    PDPageContentStream contentStream = new PDPageContentStream(document, page, true, true);

    contentStream.drawXObject(ximage, x, y, ximage.getWidth() * scale, ximage.getHeight() * scale);
    contentStream.close();
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
@Override
protected void appendContent(int start, int pages, int page, PDPageContentStream contentStream,
        PDRectangle rect) throws IOException {
    PDXObjectImage image = getResource().getImage();
    if (image != null) {
        float width = image.getWidth();
        float height = image.getHeight();
        AffineTransform transform = new AffineTransform(width, 0, 0, height, getCornerX(
                rect.getWidth(), width), getCornerY(rect.getHeight(), height));
        transform.rotate((float) ((getRotate() * Math.PI) / 180), 0.5, 0.5);
        contentStream.drawXObject(image, transform);
    }
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
@Override
protected void appendContent(int end, int start, int pages, int page,
        PDPageContentStream contentStream, PDRectangle rect) throws IOException {
    PDXObjectImage image = getResource().getImage();
    if (image != null) {
        float width = image.getWidth();
        float height = image.getHeight();
        AffineTransform transform = new AffineTransform(width, 0, 0, height, getCornerX(
                rect.getWidth(), width), getCornerY(rect.getHeight(), height));
        transform.rotate((float) ((getRotate() * Math.PI) / 180), 0.5, 0.5);
        contentStream.drawXObject(image, transform);
    }
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
private void createPDF(Patient patient, Image image) throws IOException, COSVisitorException{
	PDDocumentInformation pdi = new PDDocumentInformation();
	Mandant mandant = (Mandant) ElexisEventDispatcher.getSelected(Mandant.class);
	pdi.setAuthor(mandant.getName() + " " + mandant.getVorname());
	pdi.setCreationDate(new GregorianCalendar());
	pdi.setTitle("Impfausweis " + patient.getLabel());
	
	PDDocument document = new PDDocument();
	document.setDocumentInformation(pdi);
	
	PDPage page = new PDPage();
	page.setMediaBox(PDPage.PAGE_SIZE_A4);
	document.addPage(page);
	
	PDRectangle pageSize = page.findMediaBox();
	PDFont font = PDType1Font.HELVETICA_BOLD;
	
	PDFont subFont = PDType1Font.HELVETICA;
	
	PDPageContentStream contentStream = new PDPageContentStream(document, page);
	contentStream.beginText();
	contentStream.setFont(font, 14);
	contentStream.moveTextPositionByAmount(40, pageSize.getUpperRightY() - 40);
	contentStream.drawString(patient.getLabel());
	contentStream.endText();
	
	String dateLabel = sdf.format(Calendar.getInstance().getTime());
	String title = Person.load(mandant.getId()).get(Person.TITLE);
	String mandantLabel = title + " " + mandant.getName() + " " + mandant.getVorname();
	contentStream.beginText();
	contentStream.setFont(subFont, 10);
	contentStream.moveTextPositionByAmount(40, pageSize.getUpperRightY() - 55);
	contentStream.drawString("Ausstellung " + dateLabel + ", " + mandantLabel);
	contentStream.endText();
	
	BufferedImage imageAwt = convertToAWT(image.getImageData());
	
	PDXObjectImage pdPixelMap = new PDPixelMap(document, imageAwt);
	contentStream.drawXObject(pdPixelMap, 40, 30, pageSize.getWidth() - 80,
		pageSize.getHeight() - 100);
	contentStream.close();
	
	String outputPath =
		CoreHub.userCfg.get(PreferencePage.VAC_PDF_OUTPUTDIR, CoreHub.getWritableUserDir()
			.getAbsolutePath());
	if (outputPath.equals(CoreHub.getWritableUserDir().getAbsolutePath())) {
		SWTHelper
			.showInfo(
				"Kein Ausgabeverzeichnis definiert",
				"Ausgabe erfolgt in: "
					+ outputPath
					+ "\nDas Ausgabeverzeichnis kann unter Einstellungen\\Klinische Hilfsmittel\\Impfplan definiert werden.");
	}
	File outputDir = new File(outputPath);
	File pdf = new File(outputDir, "impfplan_" + patient.getPatCode() + ".pdf");
	document.save(pdf);
	document.close();
	Desktop.getDesktop().open(pdf);
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的package包/类
public static void renderImage(PDPageContentStream contentStream, PDFJpeg ximage, float x, float y, Alignment align) throws IOException {
	if (ximage != null && contentStream != null) {
		float imageHeight = ximage.getHeightPoints();
		float imageWidth = ximage.getWidthPoints();
		float left = x;
		float bottom = y - imageHeight;
		if (align != null) {
			switch (align) {
				case TOP_CENTER:
					left = x - imageWidth / 2.0f;
					bottom = y - imageHeight;
					break;
				case TOP_RIGHT:
					left = x - imageWidth;
					bottom = y - imageHeight;
					break;
				case MIDDLE_LEFT:
					left = x;
					bottom = y - imageHeight / 2.0f;
					break;
				case MIDDLE_CENTER:
					left = x - imageWidth / 2.0f;
					bottom = y - imageHeight / 2.0f;
					break;
				case MIDDLE_RIGHT:
					left = x - imageWidth;
					bottom = y - imageHeight / 2.0f;
					break;
				case BOTTOM_LEFT:
					left = x;
					bottom = y;
					break;
				case BOTTOM_CENTER:
					left = x - imageWidth / 2.0f;
					bottom = y;
					break;
				case BOTTOM_RIGHT:
					left = x - imageWidth;
					bottom = y;
					break;
				default: // topleft else...
			}
		}
		// http://stackoverflow.com/questions/15789954/pdfbox-pdjpeg-gets-drawn-in-wrong-colors-when-resized-adobe-reader-window
		contentStream.drawXObject(ximage, left, bottom, imageWidth, imageHeight);
	}
}
 

import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; //导入方法依赖的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.edit.PDPageContentStream; //导入方法依赖的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.edit.PDPageContentStream; //导入方法依赖的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.edit.PDPageContentStream; //导入方法依赖的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();
}