Java Code Examples for org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject#createFromByteArray()

@Before
public void before() throws IOException {
    PDDocument document = new PDDocument();

    // Load a custom font
    final InputStream resourceAsStream = this.getClass()
                                            .getClassLoader()
                                            .getResourceAsStream("OpenSansCondensed-Light.ttf");

    ownFont = PDType0Font.load(document, resourceAsStream);

    // Load custom image
    final byte[] sampleBytes = IOUtils.toByteArray(Objects.requireNonNull(this.getClass().getClassLoader()
                                            .getResourceAsStream("check.png")));
    checkImage = PDImageXObject.createFromByteArray(document, sampleBytes, "check");
}
 

@Test
public void getHeight_shouldThrowExceptionIfTableNotYetBuilt() throws IOException {
    final byte[] bytes = IOUtils.toByteArray(getClass().getClassLoader().getResourceAsStream("pic1.jpg"));
    final PDImageXObject image = PDImageXObject.createFromByteArray(new PDDocument(), bytes, "test1");

    AbstractCell cell = ImageCell.builder().image(image).build();

    exception.expect(TableNotYetBuiltException.class);
    cell.getHeight();
}
 

/**
 * <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();
    }
}
 

/**
 * <a href="https://stackoverflow.com/questions/47383506/pdfbox-obtain-bounding-box-of-rotated-image">
 * PDFBox - obtain bounding box of rotated image
 * </a>
 * <p>
 * This test demonstrates how to position images given their dimensions,
 * rotation angle, and the coordinates of the lower left corner of their
 * bounding box. The work horse is {@link #placeImage(PDDocument, PDPage,
 * PDImageXObject, float, float, float, float, float)}. 
 * </p>
 */
@Test
public void testPlaceByBoundingBox() throws IOException {
    try (   InputStream resource = getClass().getResourceAsStream("Willi-1.jpg");
            PDDocument document = new PDDocument()  ) {
        PDPage page = new PDPage();
        document.addPage(page);

        PDRectangle mediaBox = page.getMediaBox();
        float bbLowerLeftX = 50;
        float bbLowerLeftY = 100;

        try (   PDPageContentStream contentStream = new PDPageContentStream(document, page)   ) {
            contentStream.moveTo(bbLowerLeftX, mediaBox.getLowerLeftY());
            contentStream.lineTo(bbLowerLeftX, mediaBox.getUpperRightY());
            contentStream.moveTo(mediaBox.getLowerLeftX(), bbLowerLeftY);
            contentStream.lineTo(mediaBox.getUpperRightX(), bbLowerLeftY);
            contentStream.stroke();
        }

        PDImageXObject image = PDImageXObject.createFromByteArray(document, IOUtils.toByteArray(resource), "Image");
        placeImage(document, page, image, bbLowerLeftX, bbLowerLeftY, image.getWidth(), image.getHeight(), (float)(Math.PI/4));
        placeImage(document, page, image, bbLowerLeftX, bbLowerLeftY, .5f*image.getWidth(), .5f*image.getHeight(), 0);
        placeImage(document, page, image, bbLowerLeftX, bbLowerLeftY, .25f*image.getWidth(), .25f*image.getHeight(), (float)(9*Math.PI/8));

        document.save(new File(RESULT_FOLDER, "rotatedImagesByBoundingBox.pdf"));
    }
}
 

/**
 * 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();
		}
   	}
}
 

@Override
protected String getColorSpaceName(DSSDocument image) throws IOException {
	try (InputStream is = image.openStream()) {
		byte[] bytes = IOUtils.toByteArray(is);
		PDImageXObject imageXObject = PDImageXObject.createFromByteArray(document, bytes, image.getName());
		PDColorSpace colorSpace = imageXObject.getColorSpace();
		return colorSpace.getName();
	}
}
 

private PDImageXObject makeImageObjectCopy(PDImageXObject img) throws IOException {
    BufferedImage flatImg = flattenImage(img.getImage());
    byte[] bytes = getImageBytes(flatImg);
    return PDImageXObject.createFromByteArray(document, bytes, "image");
}
 

public static PDImageXObject createTuxImage() throws IOException {
    final byte[] tuxBytes = IOUtils.toByteArray(Objects.requireNonNull(TestUtils.class.getClassLoader().getResourceAsStream("tux.png")));
    return PDImageXObject.createFromByteArray(PD_DOCUMENT_FOR_IMAGES, tuxBytes, "tux");
}
 

public static PDImageXObject createGliderImage() throws IOException {
    final byte[] gliderBytes = IOUtils.toByteArray(Objects.requireNonNull(TestUtils.class.getClassLoader().getResourceAsStream("glider.png")));
    return PDImageXObject.createFromByteArray(PD_DOCUMENT_FOR_IMAGES, gliderBytes, "glider");
}
 

public static PDImageXObject createSampleImage() throws IOException {
    final byte[] sampleBytes = IOUtils.toByteArray(Objects.requireNonNull(TestUtils.class.getClassLoader().getResourceAsStream("sample.png")));
    return PDImageXObject.createFromByteArray(PD_DOCUMENT_FOR_IMAGES, sampleBytes, "sample");
}
 

@Test
public void testImage() throws Exception {

    final Table.TableBuilder tableBuilder = Table.builder()
            .addColumnsOfWidth(200, 200);

    final byte[] bytes1 = IOUtils.toByteArray(getClass().getClassLoader().getResourceAsStream("pic1.jpg"));
    final PDImageXObject image1 = PDImageXObject.createFromByteArray(new PDDocument(), bytes1, "test1");

    final byte[] bytes2 = IOUtils.toByteArray(getClass().getClassLoader().getResourceAsStream("pic2.jpg"));
    final PDImageXObject image2 = PDImageXObject.createFromByteArray(new PDDocument(), bytes2, "test2");

    tableBuilder.addRow(
            Row.builder()
                    .add(TextCell.builder().text("first").build())
                    .add(TextCell.builder().text("second").horizontalAlignment(RIGHT).build())
                    .build());


    tableBuilder.addRow(
            Row.builder()
                    .add(ImageCell.builder().image(image1).scale(0.13f).borderWidth(1).build())
                    .add(ImageCell.builder().image(image2).borderWidth(1).build())
                    .build());

    tableBuilder.addRow(
            Row.builder()
                    .add(TextCell.builder()
                            .text("images from \"https://www.techrepublic.com/pictures/the-21-best-it-and-tech-memes-on-the-internet/5/\"")
                            .colSpan(2)
                            .fontSize(6)
                            .borderWidth(1)
                            .build())
                    .build()
    );

    TestUtils.createAndSaveDocumentWithTable(FILE_NAME, tableBuilder.build());

    CompareResult compareResult = new PdfComparator<>(getExpectedPdfFor(FILE_NAME), getActualPdfFor(FILE_NAME)).compare();
    assertTrue(compareResult.isEqual());
}
 

/**
 * <a href="https://stackoverflow.com/questions/60198179/creating-a-transparency-group-or-setting-graphics-state-soft-mask-with-pdfbox">
 * Creating a transparency group or setting graphics state soft mask with PDFBox
 * </a>
 * <br/>
 * <a href="https://i.stack.imgur.com/rh9kL.png">
 * rh9kL.png
 * </a> as "Nicolas_image.png"
 * <br/>
 * <a href="https://i.stack.imgur.com/2UoKr.png">
 * 2UoKr.png
 * </a> as "Nicolas_mask.png"
 * <p>
 * This test demonstrates how one can apply transparency group
 * soft masks in extended graphics state parameters.
 * </p>
 */
@Test
public void testSoftMaskedImageAndRectangle() throws IOException {
    try (   PDDocument document = new PDDocument()  ) {
        final PDImageXObject image;
        try (   InputStream imageResource = getClass().getResourceAsStream("Nicolas_image.png")) {
            image = PDImageXObject.createFromByteArray(document, IOUtils.toByteArray(imageResource), "image");
        }

        final PDImageXObject mask;
        try (   InputStream imageResource = getClass().getResourceAsStream("Nicolas_mask.png")) {
            mask = PDImageXObject.createFromByteArray(document, IOUtils.toByteArray(imageResource), "mask");
        }

        PDTransparencyGroupAttributes transparencyGroupAttributes = new PDTransparencyGroupAttributes();
        transparencyGroupAttributes.getCOSObject().setItem(COSName.CS, COSName.DEVICEGRAY);

        PDTransparencyGroup transparencyGroup = new PDTransparencyGroup(document);
        transparencyGroup.setBBox(PDRectangle.A4);
        transparencyGroup.setResources(new PDResources());
        transparencyGroup.getCOSObject().setItem(COSName.GROUP, transparencyGroupAttributes);
        try (   PDFormContentStream canvas = new PDFormContentStream(transparencyGroup)   ) {
            canvas.drawImage(mask, new Matrix(400, 0, 0, 400, 100, 100));
        }

        COSDictionary softMaskDictionary = new COSDictionary();
        softMaskDictionary.setItem(COSName.S, COSName.LUMINOSITY);
        softMaskDictionary.setItem(COSName.G, transparencyGroup);

        PDExtendedGraphicsState extendedGraphicsState = new PDExtendedGraphicsState();
        extendedGraphicsState.getCOSObject().setItem(COSName.SMASK, softMaskDictionary);

        PDPage page = new PDPage(PDRectangle.A4);
        document.addPage(page);
        try (   PDPageContentStream canvas = new PDPageContentStream(document, page)   ) {
            canvas.saveGraphicsState();
            canvas.setGraphicsStateParameters(extendedGraphicsState);
            canvas.setNonStrokingColor(Color.BLACK);
            canvas.addRect(100, 100, 400, 400);
            canvas.fill();
            canvas.drawImage(image, new Matrix(400, 0, 0, 300, 100, 150));
            canvas.restoreGraphicsState();
        }

        document.save(new File(RESULT_FOLDER, "SoftMaskedImageAndRectangle.pdf"));
    }
}