Java PDPageContentStream.drawImage方法代码示例

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
/**
 * Creates a pdf page from two pages from another 'original' pdf document
 * @param doc original pdf from which the pages will be taken
 * @param leftPage page number of the page to go on the left side 
 * @param rightPage page number of the page to go on the right side
 * @return generated page containing the left and right pages from the original document side-by-side.
 */
private static PDPage createBookPage(PDDocument doc, int leftPage, int rightPage) {
	// double the width of a normal page to create the booklet
	PDRectangle baseSize = doc.getPage(0).getMediaBox();		
	PDRectangle box = new PDRectangle(baseSize.getWidth()*2, baseSize.getHeight());
	

	if(sizeOverride != null) {
		box = sizeOverride.asPDRectangle();
	}
	
	PDPage page = new PDPage(box);
	
	try {
		PDImageXObject leftImg = PrintDF.pageToImage(doc, leftPage, scale);
		PDImageXObject rightImg = PrintDF.pageToImage(doc, rightPage, scale);
		
		
		
		PDPageContentStream contentStream = new PDPageContentStream(doc, page);
		if(leftImg != null)
			contentStream.drawImage(leftImg, 0, 0, box.getWidth()/2, box.getHeight());
		if(rightImg != null)
			contentStream.drawImage(rightImg, box.getWidth()/2, 0, box.getWidth()/2, box.getHeight());
		contentStream.close();
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	
	return page;
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private void drawAgeImageFront(PDPage page, Attendee attendee) throws IOException {

        String imageFilename = BadgeLib.getStaffAgeImageFilename(attendee, currentDateForAgeCalculation);
        if (imageFilename == null) { return; }

        PDPageContentStream stream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true, false);

        PDImageXObject xImage = PDImageXObject.createFromFile(imageFilename, document);
        Dimension scaledDim = getScaledDimension(
                new Dimension(xImage.getWidth(),  xImage.getHeight()),
                new Dimension(149, 130));
        stream.drawImage(xImage,
                45 + ((149-scaledDim.width)/2),
                335 + ((158-scaledDim.height)/2),
                scaledDim.width, scaledDim.height);
        stream.close();
    }
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private void drawAgeImageBack(PDPage page, Attendee attendee) throws IOException {
    String imageFilename = BadgeLib.getStaffAgeImageFilename(attendee, currentDateForAgeCalculation);
    if (imageFilename == null) { return; }

    PDPageContentStream stream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true, DRAW_BOUNDING_BOX);

    PDImageXObject xImage = PDImageXObject.createFromFile(imageFilename, document);
    Dimension scaledDim = getScaledDimension(
            new Dimension(xImage.getWidth(),  xImage.getHeight()),
            new Dimension(149, 115));
    stream.drawImage(xImage,
            201 + ((149-scaledDim.width)/2),
            344 + ((158-scaledDim.height)/2),
            scaledDim.width, scaledDim.height);
    stream.close();
}
 

import org.apache.pdfbox.pdmodel.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 {
PDImageXObject cachedImage = getCachedImage(document, image);
float x = upperLeft.getX();
float y = upperLeft.getY() - height;
contentStream.drawImage(cachedImage, x, y, width, height);
   }
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private void applyTexturePaint(TexturePaint texturePaint) throws IOException {
	Rectangle2D anchorRect = texturePaint.getAnchorRect();
	PDTilingPattern pattern = new PDTilingPattern();
	pattern.setPaintType(PDTilingPattern.PAINT_COLORED);
	pattern.setTilingType(PDTilingPattern.TILING_CONSTANT_SPACING_FASTER_TILING);

	pattern.setBBox(new PDRectangle((float) anchorRect.getX(), (float) anchorRect.getY(),
			(float) anchorRect.getWidth(), (float) anchorRect.getHeight()));
	pattern.setXStep((float) anchorRect.getWidth());
	pattern.setYStep((float) anchorRect.getHeight());

	AffineTransform patternTransform = new AffineTransform();
	patternTransform.translate(0, anchorRect.getHeight());
	patternTransform.scale(1f, -1f);
	pattern.setMatrix(patternTransform);

	PDAppearanceStream appearance = new PDAppearanceStream(document);
	appearance.setResources(pattern.getResources());
	appearance.setBBox(pattern.getBBox());

	PDPageContentStream imageContentStream = new PDPageContentStream(document, appearance,
			((COSStream) pattern.getCOSObject()).createOutputStream());
	BufferedImage texturePaintImage = texturePaint.getImage();
	PDImageXObject imageXObject = imageEncoder.encodeImage(document, imageContentStream, texturePaintImage);

	float ratioW = (float) ((anchorRect.getWidth()) / texturePaintImage.getWidth());
	float ratioH = (float) ((anchorRect.getHeight()) / texturePaintImage.getHeight());
	float paintHeight = (texturePaintImage.getHeight()) * ratioH;
	imageContentStream.drawImage(imageXObject, (float) anchorRect.getX(), (float) (paintHeight + anchorRect.getY()),
			texturePaintImage.getWidth() * ratioW, -paintHeight);
	imageContentStream.close();

	PDColorSpace patternCS1 = new PDPattern(null, imageXObject.getColorSpace());
	COSName tilingPatternName = resources.add(pattern);
	PDColor patternColor = new PDColor(tilingPatternName, patternCS1);

	contentStream.setNonStrokingColor(patternColor);
	contentStream.setStrokingColor(patternColor);
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
private static void createFinalDocument(File pdfFile, File overlayPdf) throws IOException
{
   PDDocument doc = new PDDocument();

   try
   {
      PDPage page = new PDPage();

      doc.addPage(page);
      PDImageXObject pdImage =JPEGFactory.createFromStream(doc, new AutoCloseInputStream(ExampleAddImage.class.getClassLoader().getResourceAsStream("death-star-plans.jpg")));
      PDPageContentStream contentStream = new PDPageContentStream(doc, page, PDPageContentStream.AppendMode.APPEND, true);
      Map<Integer, String> overlayGuide = new HashMap<>();

      contentStream.drawImage(pdImage, 100, 300, pdImage.getWidth()*scale, pdImage.getHeight()*scale);

      overlayGuide.put(1, overlayPdf.getAbsolutePath());
      Overlay overlay = new Overlay();
      overlay.setInputPDF(doc);
      overlay.setOverlayPosition(Overlay.Position.FOREGROUND);
      overlay.overlay(overlayGuide);

      contentStream.close();
      doc.save(pdfFile);
   }
   finally
   {
      doc.close();
   }
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
@Override
public void render(final PDDocument document, final PDPageContentStream stream, final float left, final float top, final float width, final float height)
		throws IOException {
	final BufferedImage image = ImageIO.read(file);

	float contentWidth = width - (leftBorder + rightBorder) / 2 - leftPadding - rightPadding;
	float contentHeight = height - (topBorder + bottomBorder) / 2 - topPadding - bottomPadding;

	float imgWidth = image.getWidth();
	float imgHeight = image.getHeight();
	final float ratio = imgWidth / imgHeight;
	if (imgWidth > contentWidth) {
		imgWidth = contentWidth;
		imgHeight = 1 / ratio * imgWidth;
	}
	if (imgHeight > contentHeight) {
		imgHeight = contentHeight;
		imgWidth = ratio * imgHeight;
	}

	super.render(document, stream, left + (width - imgWidth) * hAlign, top - (height - imgHeight) * vAlign, imgWidth, imgHeight);

	final PDImageXObject imageObject = JPEGFactory.createFromImage(document, image);
	stream.drawImage(imageObject, left + (width - imgWidth) * hAlign + leftBorder / 2 + leftPadding,
			top - height + (height - imgHeight) * (1 - vAlign) - topBorder / 2 - topPadding,
			imgWidth, imgHeight);
}
 

import org.apache.pdfbox.pdmodel.PDPageContentStream; //导入方法依赖的package包/类
/**
 * <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 = JPEGFactory.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();
}