Java Code Examples for org.apache.pdfbox.pdmodel.PDPageContentStream#drawImage()

public byte[] createPdf() throws IOException {
  try (PDDocument document = new PDDocument()) {
    PDPage page = new PDPage(PDRectangle.A4);
    page.setRotation(90);

    float pageWidth = page.getMediaBox().getWidth();
    float pageHeight = page.getMediaBox().getHeight();

    PDPageContentStream contentStream = new PDPageContentStream(document, page);

    PDImageXObject chartImage = JPEGFactory.createFromImage(document,
      createChart((int) pageHeight, (int) pageWidth));

    contentStream.transform(new Matrix(0, 1, -1, 0, pageWidth, 0));
    contentStream.drawImage(chartImage, 0, 0);
    contentStream.close();

    document.addPage(page);

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    document.save(byteArrayOutputStream);
    return byteArrayOutputStream.toByteArray();
  }

}
 

@Override
@SneakyThrows
public void drawContent(DrawingContext drawingContext) {
    final PDPageContentStream contentStream = drawingContext.getContentStream();
    final float moveX = drawingContext.getStartingPoint().x;

    final Point2D.Float size = cell.getFitSize();
    final Point2D.Float drawAt = new Point2D.Float();

    // Handle horizontal alignment by adjusting the xOffset
    float xOffset = moveX + cell.getPaddingLeft();
    if (cell.getSettings().getHorizontalAlignment() == HorizontalAlignment.RIGHT) {
        xOffset = moveX + (cell.getWidth() - (size.x + cell.getPaddingRight()));

    } else if (cell.getSettings().getHorizontalAlignment() == HorizontalAlignment.CENTER) {
        final float diff = (cell.getWidth() - size.x) / 2;
        xOffset = moveX + diff;

    }

    drawAt.x = xOffset;
    drawAt.y = drawingContext.getStartingPoint().y + getAdaptionForVerticalAlignment() - size.y;

    contentStream.drawImage(cell.getImage(), drawAt.x, drawAt.y, size.x, size.y);
}
 

/**
 * <a href="https://stackoverflow.com/questions/58606529/pdf-size-too-large-generating-through-android-pdfdocument-and-while-using-pdfbo">
 * PDF size too large generating through Android PDFDocument. And while using pdfbox it is cutting image in output
 * </a>
 * <p>
 * This code shows how to draw an image onto a page with
 * the image "default size".
 * </p>
 */
@Test
public void testDrawImageToFitPage() throws IOException {
    try (   InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg")) {
        PDDocument document = new PDDocument();

        PDImageXObject ximage = JPEGFactory.createFromStream(document,imageResource);

        PDPage page = new PDPage(new PDRectangle(ximage.getWidth(), ximage.getHeight()));
        document.addPage(page);

        PDPageContentStream contentStream = new PDPageContentStream(document, page);
        contentStream.drawImage(ximage, 0, 0);
        contentStream.close();

        document.save(new File(RESULT_FOLDER, "Willi-1.pdf"));
        document.close();
    }
}
 

private void writeGraphPage( GraphDisplay graphDisplay )
    throws IOException
{
    File tFile = File.createTempFile( "envisage", ".png" );
    graphDisplay.saveImage( new FileOutputStream( tFile ), "png", 1d );

    BufferedImage img = ImageIO.read( tFile );

    int w = img.getWidth();
    int h = img.getHeight();

    int inset = 40;
    PDRectangle pdRect = new PDRectangle( w + inset, h + inset );
    PDPage page = new PDPage();
    page.setMediaBox( pdRect );
    doc.addPage( page );

    PDImageXObject xImage = PDImageXObject.createFromFileByExtension( tFile, doc );

    PDPageContentStream contentStream = new PDPageContentStream( doc, page );
    contentStream.drawImage( xImage, ( pdRect.getWidth() - w ) / 2, ( pdRect.getHeight() - h ) / 2 );
    contentStream.close();
}
 

/**
 * <a href="https://stackoverflow.com/questions/49958604/draw-image-at-mid-position-using-pdfbox-java">
 * Draw image at mid position using pdfbox Java
 * </a>
 * <p>
 * This is the OP's original code. It mirrors the image.
 * This can be fixed as shown in {@link #testImageAppendNoMirror()}.
 * </p>
 */
@Test
public void testImageAppendLikeShanky() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/sign/test.pdf");
            InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg")   )
    {
        PDDocument doc = Loader.loadPDF(resource);
        PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, ByteStreams.toByteArray(imageResource), "Willi");

        int w = pdImage.getWidth();
        int h = pdImage.getHeight();

        PDPage page = doc.getPage(0);
        PDPageContentStream contentStream = new PDPageContentStream(doc, page, PDPageContentStream.AppendMode.APPEND, true);

        float x_pos = page.getCropBox().getWidth();
        float y_pos = page.getCropBox().getHeight();

        float x_adjusted = ( x_pos - w ) / 2;
        float y_adjusted = ( y_pos - h ) / 2;

        Matrix mt = new Matrix(1f, 0f, 0f, -1f, page.getCropBox().getLowerLeftX(), page.getCropBox().getUpperRightY());
        contentStream.transform(mt);
        contentStream.drawImage(pdImage, x_adjusted, y_adjusted, w, h);
        contentStream.close();

        doc.save(new File(RESULT_FOLDER, "test-with-image-shanky.pdf"));
        doc.close();

    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/49958604/draw-image-at-mid-position-using-pdfbox-java">
 * Draw image at mid position using pdfbox Java
 * </a>
 * <p>
 * This is a fixed version of the the OP's original code, cf.
 * {@link #testImageAppendLikeShanky()}. It does not mirrors the image.
 * </p>
 */
@Test
public void testImageAppendNoMirror() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/sign/test.pdf");
            InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg")   )
    {
        PDDocument doc = Loader.loadPDF(resource);
        PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, ByteStreams.toByteArray(imageResource), "Willi");

        int w = pdImage.getWidth();
        int h = pdImage.getHeight();

        PDPage page = doc.getPage(0);
        PDPageContentStream contentStream = new PDPageContentStream(doc, page, PDPageContentStream.AppendMode.APPEND, true);

        float x_pos = page.getCropBox().getWidth();
        float y_pos = page.getCropBox().getHeight();

        float x_adjusted = ( x_pos - w ) / 2 + page.getCropBox().getLowerLeftX();
        float y_adjusted = ( y_pos - h ) / 2 + page.getCropBox().getLowerLeftY();

        contentStream.drawImage(pdImage, x_adjusted, y_adjusted, w, h);
        contentStream.close();

        doc.save(new File(RESULT_FOLDER, "test-with-image-no-mirror.pdf"));
        doc.close();

    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/50988007/clip-an-image-with-pdfbox">
 * Clip an image with PDFBOX
 * </a>
 * <p>
 * This test demonstrates how to clip an image and frame the clipping area.
 * </p>
 */
@SuppressWarnings("deprecation")
@Test
public void testImageAddClipped() throws IOException {
    try (   InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg")   )
    {
        PDDocument doc = new PDDocument();
        PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, ByteStreams.toByteArray(imageResource), "Willi");

        int w = pdImage.getWidth();
        int h = pdImage.getHeight();

        PDPage page = new PDPage();
        doc.addPage(page);
        PDRectangle cropBox = page.getCropBox();
        PDPageContentStream contentStream = new PDPageContentStream(doc, page);

        contentStream.setStrokingColor(25, 200, 25);
        contentStream.setLineWidth(4);
        contentStream.moveTo(cropBox.getLowerLeftX(), cropBox.getLowerLeftY() + h/2);
        contentStream.lineTo(cropBox.getLowerLeftX() + w/3, cropBox.getLowerLeftY() + 2*h/3);
        contentStream.lineTo(cropBox.getLowerLeftX() + w, cropBox.getLowerLeftY() + h/2);
        contentStream.lineTo(cropBox.getLowerLeftX() + w/3, cropBox.getLowerLeftY() + h/3);
        contentStream.closePath();
        //contentStream.clip();
        contentStream.appendRawCommands("W ");
        contentStream.stroke();

        contentStream.drawImage(pdImage, cropBox.getLowerLeftX(), cropBox.getLowerLeftY(), w, h);

        contentStream.close();

        doc.save(new File(RESULT_FOLDER, "image-clipped.pdf"));
        doc.close();
    }
}
 

/** @see #testAddImagesLikeUser11465050() */
void addImageLikeUser11465050(PDDocument document, PDImageXObject image) throws IOException {
    PDPage page = document.getPage(0);
    PDRectangle pageSize = page.getMediaBox();
    PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true, true);
    contentStream.drawImage(image, pageSize.getLowerLeftX(), pageSize.getLowerLeftY(), pageSize.getWidth(), pageSize.getHeight());
    contentStream.close();

    page.getCOSObject().setNeedToBeUpdated(true);
    page.getResources().getCOSObject().setNeedToBeUpdated(true);
    document.getDocumentCatalog().getPages().getCOSObject().setNeedToBeUpdated(true);
    document.getDocumentCatalog().getCOSObject().setNeedToBeUpdated(true);
}
 

/** @see #testAddImagesLikeUser11465050Improved() */
void addImageLikeUser11465050Improved(PDDocument document, PDImageXObject image) throws IOException {
    PDPage page = document.getPage(0);
    PDRectangle pageSize = page.getMediaBox();
    PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true, true);
    contentStream.drawImage(image, pageSize.getLowerLeftX(), pageSize.getLowerLeftY(), pageSize.getWidth(), pageSize.getHeight());
    contentStream.close();

    page.getCOSObject().setNeedToBeUpdated(true);
    page.getResources().getCOSObject().setNeedToBeUpdated(true);
    page.getResources().getCOSObject().getCOSDictionary(COSName.XOBJECT).setNeedToBeUpdated(true);
    document.getDocumentCatalog().getPages().getCOSObject().setNeedToBeUpdated(true);
    document.getDocumentCatalog().getCOSObject().setNeedToBeUpdated(true);
}
 

public static void drawImage(final BufferedImage image,
    final PDDocument document, final PDPageContentStream contentStream,
    Position upperLeft, final float width, final float height)
    throws IOException {
PDImageXObject cachedImage = getCachedImage(document, image);
float x = upperLeft.getX();
float y = upperLeft.getY() - height;
contentStream.drawImage(cachedImage, x, y, width, height);
   }
 

/**
 * Draws the given image with specified dimension and position
 * @param cs
 *		{@link PDPageContentStream} current stream
 * @param doc
 *		{@link PDDocument} to draw the picture on
 * @param dimensionAndPosition
 *		{@link SignatureFieldDimensionAndPosition} size and position to place the picture to
 * @param image
 *		{@link DSSDocument} image to draw
 * @throws IOException
 *		in case of error
 */
private void setImage(PDPageContentStream cs, PDDocument doc, SignatureFieldDimensionAndPosition dimensionAndPosition, 
		DSSDocument image) throws IOException {
	if (image != null) {
		try (InputStream is = image.openStream()) {
            cs.saveGraphicsState();
    		byte[] bytes = IOUtils.toByteArray(is);
    		PDImageXObject imageXObject = PDImageXObject.createFromByteArray(doc, bytes, image.getName());

    		// divide to scale factor, because PdfBox due to the matrix transformation also changes position parameters of the image
    		float xAxis = dimensionAndPosition.getImageX();
    		if (parameters.getTextParameters() != null)
    			xAxis *= dimensionAndPosition.getxDpiRatio();
    		float yAxis = dimensionAndPosition.getImageY();
    		if (parameters.getTextParameters() != null)
    			yAxis *= dimensionAndPosition.getyDpiRatio();
    		
    		float width = getWidth(dimensionAndPosition);
    		float height = getHeight(dimensionAndPosition);
    				
	        cs.drawImage(imageXObject, xAxis, yAxis, width, height);
			cs.transform(Matrix.getRotateInstance(((double) 360 - ImageRotationUtils.getRotation(parameters.getRotation())), width, height));
            
            cs.restoreGraphicsState();
		}
   	}
}
 

/**
 * <p>Call this method to print images. <b>Make sure that the streams are closed before calling this method </b></p>
 * <p>Normal print method doesn't work since: http://stackoverflow.com/questions/9326245/how-to-exactly-position-an-image-inside-an-existing-pdf-page-using-pdfbox</p>
 *
 * @param document   the pdDocument.
 * @param pageNumber page of image
 * @param x          location of image
 * @param y          location of image
 * @throws java.io.IOException in case there are problems at reading or writing the image
 */
public void printImage(PDDocument document, int pageNumber, float x, float y) throws IOException {
    PDImageXObject obj = LosslessFactory.createFromImage(document, img);

    PDPageContentStream currentStream = new PDPageContentStream(document,
            document.getDocumentCatalog().getPages().get(pageNumber), PDPageContentStream.AppendMode.APPEND, false);

    currentStream.drawImage(obj, x, y - height, width, height);
    currentStream.close();
}