Java Code Examples for com.itextpdf.text.Image#getInstance()

private static void addCustomRows(PdfPTable table) throws URISyntaxException, BadElementException, IOException {
    Path path = Paths.get(ClassLoader.getSystemResource("Java_logo.png").toURI());
    Image img = Image.getInstance(path.toAbsolutePath().toString());
    img.scalePercent(10);

    PdfPCell imageCell = new PdfPCell(img);
    table.addCell(imageCell);

    PdfPCell horizontalAlignCell = new PdfPCell(new Phrase("row 2, col 2"));
    horizontalAlignCell.setHorizontalAlignment(Element.ALIGN_CENTER);
    table.addCell(horizontalAlignCell);

    PdfPCell verticalAlignCell = new PdfPCell(new Phrase("row 2, col 3"));
    verticalAlignCell.setVerticalAlignment(Element.ALIGN_BOTTOM);
    table.addCell(verticalAlignCell);
}
 

private void putSignature(PdfPTable table, Context context) throws Exception {
	String uploadOid = (String)context.get("uploadSignatureOid");
	if ( StringUtils.isBlank(uploadOid) ) {
		return;
	}
	byte[] imageBytes = UploadSupportUtils.getDataBytes( uploadOid );
	if ( null == imageBytes ) {
		return;
	}
	Image signatureImgObj = Image.getInstance( imageBytes );
	signatureImgObj.setWidthPercentage(40f);
	PdfPCell cell = new PdfPCell();
	cell.setBorder( Rectangle.NO_BORDER );
	cell.addElement(signatureImgObj);
	table.addCell(cell);		
}
 

private void putSignature(PdfPTable table, Context context) throws Exception {
	String uploadOid = (String)context.get("uploadSignatureOid");
	if ( StringUtils.isBlank(uploadOid) ) {
		return;
	}
	byte[] imageBytes = UploadSupportUtils.getDataBytes( uploadOid );
	if ( null == imageBytes ) {
		return;
	}
	Image signatureImgObj = Image.getInstance( imageBytes );
	signatureImgObj.setWidthPercentage(40f);
	PdfPCell cell = new PdfPCell();
	cell.setBorder( Rectangle.NO_BORDER );
	cell.addElement(signatureImgObj);
	table.addCell(cell);		
}
 

static byte[] createMultiUseImagePdf() throws DocumentException, IOException
{
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    Document document = new Document();
    PdfWriter.getInstance(document, baos);
    document.open();

    BufferedImage bim = new BufferedImage(500, 250, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = bim.createGraphics();
    g2d.setColor(Color.BLUE);
    g2d.fillRect(0, 0, 250, 250);
    g2d.dispose();

    Image image = Image.getInstance(bim, null);
    document.add(image);
    document.add(image);
    document.add(image);

    document.close();

    return baos.toByteArray();
}
 

private PdfPCell getCells(MagicCard card) throws BadElementException, IOException {

		Image image1 = null;
		try {
			image1 = Image.getInstance(MTGControler.getInstance().getEnabled(MTGPictureProvider.class).getPicture(card, null),
					null);
		} catch (Exception e) {
			image1 = Image.getInstance(MTGControler.getInstance().getEnabled(MTGPictureProvider.class).getBackPicture(), null);
		}

		int h = getInt("CARD_HEIGHT");
		int w = getInt("CARD_WIDTH");

		image1.scaleAbsolute(w, h);

		PdfPCell cell = new PdfPCell(image1, false);
		cell.setBorder(0);
		cell.setPadding(5);
	
		return cell;
	}
 

@Test
public void testWithWriter() throws DocumentException, IOException
{
    InputStream resourceStream = getClass().getResourceAsStream("test.pdf");
    try
    {
        PdfReader reader = new PdfReader(resourceStream);
        Rectangle pageSize = reader.getPageSize(1);

        Rectangle rect = getOutputPageSize(pageSize, reader, 1);

        Document document = new Document(rect, 0, 0, 0, 0);
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(new File(RESULT_FOLDER, "test-trimmed-writer.pdf")));

        document.open();
        PdfImportedPage page;

        // Go through all pages
        int n = reader.getNumberOfPages();
        for (int i = 1; i <= n; i++)
        {
            document.newPage();
            page = writer.getImportedPage(reader, i);
            System.out.println("BBox:  "+ page.getBoundingBox().toString());
            Image instance = Image.getInstance(page);
            document.add(instance);
            Rectangle outputPageSize = document.getPageSize();
            System.out.println(outputPageSize.toString());
        }
        document.close();
    }
    finally
    {
        if (resourceStream != null)
            resourceStream.close();
    }
}
 

private void putSignature(PdfPTable table, Context context) throws Exception {
	String uploadOid = (String)context.get("uploadSignatureOid");
	if ( StringUtils.isBlank(uploadOid) ) {
		return;
	}
	byte[] imageBytes = UploadSupportUtils.getDataBytes( uploadOid );
	if ( null == imageBytes ) {
		return;
	}
	Image signatureImgObj = Image.getInstance( imageBytes );
	signatureImgObj.setWidthPercentage(40f);
	PdfPCell cell = new PdfPCell();
	cell.setBorder( Rectangle.NO_BORDER );
	cell.addElement(signatureImgObj);
	table.addCell(cell);		
}
 

private void updateImageStream(PRStream imageStream, byte[] newData) throws BadElementException, IOException, BadPdfFormatException {
    PdfImage image = new PdfImage(Image.getInstance(newData), "", null);

    if (imageStream.contains(PdfName.SMASK)) {
        image.put(PdfName.SMASK, imageStream.get(PdfName.SMASK));
    }

    if (imageStream.contains(PdfName.MASK)) {
        image.put(PdfName.MASK, imageStream.get(PdfName.MASK));
    }

    if (imageStream.contains(PdfName.SMASKINDATA)) {
        image.put(PdfName.SMASKINDATA, imageStream.get(PdfName.SMASKINDATA));
    }

    imageStream.clear();
    imageStream.putAll(image);
    imageStream.setDataRaw(image.getBytes());
}
 

private com.itextpdf.text.Image getImageForStatus(int status) throws BadElementException, MalformedURLException, IOException {
	switch (status) {
	case IStatus.OK: Image im =  Image.getInstance(FileLocator.toFileURL(MigrationPlugin.getDefault().getBundle().getResource("/icons/valid.png")));im.setCompressionLevel(12);im.scaleToFit(12, 12);return im;
	case IStatus.WARNING:  im = Image.getInstance(FileLocator.toFileURL(MigrationPlugin.getDefault().getBundle().getResource("/icons/warning.gif")));im.setCompressionLevel(12);im.scaleToFit(16, 16);return im;
	case IStatus.ERROR:  im = Image.getInstance(FileLocator.toFileURL(MigrationPlugin.getDefault().getBundle().getResource("/icons/error.png")));im.setCompressionLevel(12);im.scaleToFit(12, 12);return im;
	default:break;
	}

	return null;
}
 

static byte[] createClippingTextPdf() throws DocumentException, IOException
{
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, baos);
    document.open();

    PdfContentByte directContent = writer.getDirectContent();
    directContent.beginText();
    directContent.setTextRenderingMode(PdfPatternPainter.TEXT_RENDER_MODE_CLIP);
    directContent.setTextMatrix(AffineTransform.getTranslateInstance(100, 400));
    directContent.setFontAndSize(BaseFont.createFont(), 100);
    directContent.showText("Test");
    directContent.endText();
    
    BufferedImage bim = new BufferedImage(500, 500, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = bim.createGraphics();
    g2d.setColor(Color.BLUE);
    g2d.fillRect(0, 0, 500, 500);
    g2d.dispose();

    Image image = Image.getInstance(bim, null);
    directContent.addImage(image, 500, 0, 0, 599, 50, 50);
    document.close();

    return baos.toByteArray();
}
 

public static void writeChartToPDF(JFreeChart chart, int width, int height, String fileName)
{
    PdfWriter writer = null;
    Document document = new Document();

    try
    {
        writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
        document.open();
        PdfContentByte pdfContentByte = writer.getDirectContent();
        PdfTemplate pdfTemplateChartHolder = pdfContentByte.createTemplate(50, 50);
        Graphics2D graphics2d = new PdfGraphics2D(pdfTemplateChartHolder, 50, 50);
        Rectangle2D chartRegion = new Rectangle2D.Double(0, 0, 50, 50);
        chart.draw(graphics2d, chartRegion);
        graphics2d.dispose();

        Image chartImage = Image.getInstance(pdfTemplateChartHolder);
        document.add(chartImage);

        PdfPTable table = new PdfPTable(5);
        // the cell object
        // we add a cell with colspan 3

        PdfPCell cellX = new PdfPCell(new Phrase("A"));
        cellX.setBorder(com.itextpdf.text.Rectangle.NO_BORDER);
        cellX.setRowspan(6);
        table.addCell(cellX);

        PdfPCell cellA = new PdfPCell(new Phrase("A"));
        cellA.setBorder(com.itextpdf.text.Rectangle.NO_BORDER);
        cellA.setColspan(4);
        table.addCell(cellA);

        PdfPCell cellB = new PdfPCell(new Phrase("B"));
        table.addCell(cellB);
        PdfPCell cellC = new PdfPCell(new Phrase("C"));
        table.addCell(cellC);
        PdfPCell cellD = new PdfPCell(new Phrase("D"));
        table.addCell(cellD);
        PdfPCell cellE = new PdfPCell(new Phrase("E"));
        table.addCell(cellE);
        PdfPCell cellF = new PdfPCell(new Phrase("F"));
        table.addCell(cellF);
        PdfPCell cellG = new PdfPCell(new Phrase("G"));
        table.addCell(cellG);
        PdfPCell cellH = new PdfPCell(new Phrase("H"));
        table.addCell(cellH);
        PdfPCell cellI = new PdfPCell(new Phrase("I"));
        table.addCell(cellI);

        PdfPCell cellJ = new PdfPCell(new Phrase("J"));
        cellJ.setColspan(2);
        cellJ.setRowspan(3);
        //instead of
        //  cellJ.setImage(chartImage);
        //the OP now uses
        Chunk chunk = new Chunk(chartImage, 20, -50);
        cellJ.addElement(chunk);
        //presumably with different contents of the other cells at hand
        table.addCell(cellJ);

        PdfPCell cellK = new PdfPCell(new Phrase("K"));
        cellK.setColspan(2);
        table.addCell(cellK);
        PdfPCell cellL = new PdfPCell(new Phrase("L"));
        cellL.setColspan(2);
        table.addCell(cellL);
        PdfPCell cellM = new PdfPCell(new Phrase("M"));
        cellM.setColspan(2);
        table.addCell(cellM);

        document.add(table);

    }
    catch (Exception e)
    {
        e.printStackTrace();
    }
    document.close();
}
 

static byte[] createSmaskImagePdf() throws DocumentException, IOException
{
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    Document document = new Document();
    PdfWriter.getInstance(document, baos);
    document.open();

    BufferedImage bim = new BufferedImage(500, 500, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = bim.createGraphics();
    g2d.setColor(Color.BLUE);
    g2d.fillRect(0, 0, 500, 500);
    g2d.dispose();

    BufferedImage bmask = new BufferedImage(500, 500, BufferedImage.TYPE_BYTE_GRAY);
    g2d = bmask.createGraphics();
    g2d.setColor(Color.WHITE);
    g2d.fillRect(0, 0, 500, 500);
    g2d.setColor(Color.BLACK);
    g2d.fillRect(200, 0, 100, 500);
    g2d.dispose();

    Image image = Image.getInstance(bim, null);
    Image mask = Image.getInstance(bmask, null, true);
    mask.makeMask();
    image.setImageMask(mask);
    document.add(image);

    document.close();

    return baos.toByteArray();
}
 

/**
 * <a href="http://stackoverflow.com/questions/31507132/itextsharp-form-gets-flattened-even-when-the-formflattening-property-is-false">
 * Itextsharp form gets flattened even when the FormFlattening property is false
 * </a>
 * <p>
 * Reproducing the issue without work-around.
 * </p>
 */
@Test
public void testStampInLayerOnLayeredBug() throws IOException, DocumentException
{
    try (   InputStream source = getClass().getResourceAsStream("House_Plan_Final.pdf");
            InputStream image = getClass().getResourceAsStream("Willi-1.jpg"))
    {
        Image iImage = Image.getInstance(StreamUtil.inputStreamToArray(image));
        byte[] result = stampLayer(source, iImage, 100, 100, "Logos", false);
        Files.write(new File(RESULT_FOLDER, "House_Plan_Final-stamped-bug.pdf").toPath(), result);
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/31507132/itextsharp-form-gets-flattened-even-when-the-formflattening-property-is-false">
 * Itextsharp form gets flattened even when the FormFlattening property is false
 * </a>
 * <p>
 * Reproducing the issue with work-around.
 * </p>
 */
@Test
public void testStampInLayerOnLayeredWorkAround() throws IOException, DocumentException
{
    try (   InputStream source = getClass().getResourceAsStream("House_Plan_Final.pdf");
            InputStream image = getClass().getResourceAsStream("Willi-1.jpg"))
    {
        Image iImage = Image.getInstance(StreamUtil.inputStreamToArray(image));
        byte[] result = stampLayer(source, iImage, 100, 100, "Logos", true);
        Files.write(new File(RESULT_FOLDER, "House_Plan_Final-stamped-workAround.pdf").toPath(), result);
    }
}
 

/**
 * Adds a header to every page
 * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(
 *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
 */
public void onEndPage(PdfWriter writer, Document document) {
	PdfPTable table = new PdfPTable(3);
	try {
		table.setWidths(new int[]{40,5,10});
		table.setTotalWidth(100);
		table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
		table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
		Font font=new Font(chineseFont,8);
		font.setColor(new BaseColor(55,55,55));
		Paragraph paragraph=new Paragraph("第   "+writer.getPageNumber()+" 页   共",font);
		paragraph.setAlignment(Element.ALIGN_RIGHT);
		table.addCell(paragraph);
		Image img=Image.getInstance(total);
		img.scaleAbsolute(28, 28);
		PdfPCell cell = new PdfPCell(img);
		cell.setBorder(Rectangle.NO_BORDER);
		cell.setHorizontalAlignment(Element.ALIGN_CENTER);
		table.addCell(cell);
		PdfPCell c = new PdfPCell(new Paragraph("页",font));
		c.setHorizontalAlignment(Element.ALIGN_LEFT);
		c.setBorder(Rectangle.NO_BORDER);
		table.addCell(c);
		float center=(document.getPageSize().getWidth())/2-120/2;
		table.writeSelectedRows(0, -1,center,30, writer.getDirectContent());
	}
	catch(DocumentException de) {
		throw new ExceptionConverter(de);
	}
}
 

public void renderImage(ImageRenderInfo renderInfo) {
    List<Rectangle> areasToBeCleaned = getImageAreasToBeCleaned(renderInfo);

    if (areasToBeCleaned == null) {
        chunks.add(new PdfCleanUpContentChunk.Image(false, null));
    } else {
        try {
            PdfImageObject pdfImage = renderInfo.getImage();
            byte[] imageBytes = processImage(pdfImage.getImageAsBytes(), areasToBeCleaned);

            if (renderInfo.getRef() == null && pdfImage != null) { // true => inline image
                PdfDictionary dict = pdfImage.getDictionary();
                PdfObject imageMask = dict.get(PdfName.IMAGEMASK);
                Image image = Image.getInstance(imageBytes);

                if (imageMask == null) {
                    imageMask = dict.get(PdfName.IM);
                }

                if (imageMask != null && imageMask.equals(PdfBoolean.PDFTRUE)) {
                    image.makeMask();
                }

                PdfContentByte canvas = getContext().getCanvas();
                canvas.addImage(image, 1, 0, 0, 1, 0, 0, true);
            } else if (pdfImage != null && imageBytes != pdfImage.getImageAsBytes()) {
                chunks.add(new PdfCleanUpContentChunk.Image(true, imageBytes));
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/39364197/how-to-rotate-around-the-image-center-by-itext">
 * How to rotate around the image center by itext?
 * </a>
 * <p>
 * This test draws an image at given coordinates without rotation and then again
 * as if that image was rotated around its center by some angle.
 * </p>
 */
@Test
public void testAddRotatedImage() throws IOException, DocumentException
{
    try (   FileOutputStream stream = new FileOutputStream(new File(RESULT_FOLDER, "rotatedImage.pdf"))    )
    {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, stream);
        document.open();

        PdfContentByte contentByte = writer.getDirectContent();

        int x = 200;
        int y = 300;
        float rotate = (float) Math.PI / 3;

        try (InputStream imageStream = getClass().getResourceAsStream("/mkl/testarea/itext5/layer/Willi-1.jpg"))
        {
            Image image = Image.getInstance(IOUtils.toByteArray(imageStream));

            // Draw image at x,y without rotation
            contentByte.addImage(image, image.getWidth(), 0, 0, image.getHeight(), x, y);

            // Draw image as if the previous image was rotated around its center
            // Image starts out being 1x1 with origin in lower left
            // Move origin to center of image
            AffineTransform A = AffineTransform.getTranslateInstance(-0.5, -0.5);
            // Stretch it to its dimensions
            AffineTransform B = AffineTransform.getScaleInstance(image.getWidth(), image.getHeight());
            // Rotate it
            AffineTransform C = AffineTransform.getRotateInstance(rotate);
            // Move it to have the same center as above
            AffineTransform D = AffineTransform.getTranslateInstance(x + image.getWidth()/2, y + image.getHeight()/2);
            // Concatenate
            AffineTransform M = (AffineTransform) A.clone();
            M.preConcatenate(B);
            M.preConcatenate(C);
            M.preConcatenate(D);
            //Draw
            contentByte.addImage(image, M);
        }

        document.close();
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/39364197/how-to-rotate-around-the-image-center-by-itext">
 * How to rotate around the image center by itext?
 * </a>
 * <p>
 * This test draws an image at given coordinates without rotation and then again
 * as if that image was flipped and rotated around its center by some angle.
 * </p>
 */
@Test
public void testAddRotatedFlippedImage() throws IOException, DocumentException
{
    try (   FileOutputStream stream = new FileOutputStream(new File(RESULT_FOLDER, "rotatedFlippedImage.pdf"))    )
    {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, stream);
        document.open();

        PdfContentByte contentByte = writer.getDirectContent();

        int x = 200;
        int y = 300;
        float rotate = (float) Math.PI / 3;

        try (InputStream imageStream = getClass().getResourceAsStream("/mkl/testarea/itext5/layer/Willi-1.jpg"))
        {
            Image image = Image.getInstance(IOUtils.toByteArray(imageStream));

            // Draw image at x,y without rotation
            contentByte.addImage(image, image.getWidth(), 0, 0, image.getHeight(), x, y);

            // Draw image as if the previous image was flipped and rotated around its center
            // Image starts out being 1x1 with origin in lower left
            // Move origin to center of image
            AffineTransform A = AffineTransform.getTranslateInstance(-0.5, -0.5);
            // Flip it horizontally
            AffineTransform B = new AffineTransform(-1, 0, 0, 1, 0, 0);
            // Stretch it to its dimensions
            AffineTransform C = AffineTransform.getScaleInstance(image.getWidth(), image.getHeight());
            // Rotate it
            AffineTransform D = AffineTransform.getRotateInstance(rotate);
            // Move it to have the same center as above
            AffineTransform E = AffineTransform.getTranslateInstance(x + image.getWidth()/2, y + image.getHeight()/2);
            // Concatenate
            AffineTransform M = (AffineTransform) A.clone();
            M.preConcatenate(B);
            M.preConcatenate(C);
            M.preConcatenate(D);
            M.preConcatenate(E);
            //Draw
            contentByte.addImage(image, M);
        }

        document.close();
    }
}
 

@Override
public void convert() throws Exception {
	loading();
	


	Dimension pgsize = processSlides();
	
	processing();
	
    double zoom = 2; // magnify it by 2 as typical slides are low res
    AffineTransform at = new AffineTransform();
    at.setToScale(zoom, zoom);

	
	Document document = new Document();

	PdfWriter writer = PdfWriter.getInstance(document, outStream);
	document.open();
	
	for (int i = 0; i < getNumSlides(); i++) {

		BufferedImage bufImg = new BufferedImage((int)Math.ceil(pgsize.width*zoom), (int)Math.ceil(pgsize.height*zoom), BufferedImage.TYPE_INT_RGB);
		Graphics2D graphics = bufImg.createGraphics();
		graphics.setTransform(at);
		//clear the drawing area
		graphics.setPaint(getSlideBGColor(i));
		graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));
		try{
			drawOntoThisGraphic(i, graphics);
		} catch(Exception e){
			//Just ignore, draw what I have
		}
		
		Image image = Image.getInstance(bufImg, null);
		document.setPageSize(new Rectangle(image.getScaledWidth(), image.getScaledHeight()));
		document.newPage();
		image.setAbsolutePosition(0, 0);
		document.add(image);
	}
	//Seems like I must close document if not output stream is not complete
	document.close();
	
	//Not sure what repercussions are there for closing a writer but just do it.
	writer.close();
	finished();
	

}
 

private void generatePdf() {
    try {
        showProgressBar();
        verifyStoragePermissions(this);
        final String path = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + getResources().getString(R.string.folder_name) + File.separator + "eReceipt-" + transactionId + ".pdf";
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(path));
        document.open();
        Bitmap bitmap = Bitmap.createBitmap(
                llall.getWidth(),
                llall.getHeight(),
                Bitmap.Config.ARGB_8888);


        Canvas c = new Canvas(bitmap);
        llall.draw(c);

        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
        byte[] imageInByte = stream.toByteArray();
        Image myImage = Image.getInstance(imageInByte);
        float documentWidth = document.getPageSize().getWidth();
        float documentHeight = document.getPageSize().getHeight() - document.topMargin() - document.bottomMargin();
        myImage.scaleToFit(documentWidth, documentHeight);
        myImage.setAlignment(Image.ALIGN_CENTER | Image.MIDDLE);
        document.add(myImage);
        document.close();
        this.runOnUiThread(new Runnable() {
            public void run() {
                Intent email = new Intent(Intent.ACTION_SEND);
                Uri uri = Uri.fromFile(new File(path));
                email.putExtra(Intent.EXTRA_STREAM, uri);
                email.putExtra(Intent.EXTRA_SUBJECT, "eReceipt " + date);
                email.setType("application/pdf");
                email.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                startActivity(email);
            }
        });
        hideProgressBar();
    } catch (Exception e) {
        Log.e(TAG, "Exception while tryig to share receipt info. Msg: " + e.getMessage());
    }
}