Java PdfContentByte.addTemplate方法代码示例

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
private void exportVectorGraphics(String formatName, File outputFile) throws ImageExportException {
	Component component = printableComponent.getExportComponent();
	int width = component.getWidth();
	int height = component.getHeight();
	try (FileOutputStream fs = new FileOutputStream(outputFile)) {
		switch (formatName) {
			case PDF:
				// create pdf document with slightly increased width and height
				// (otherwise the image gets cut off)
				Document document = new Document(new Rectangle(width + 5, height + 5));
				PdfWriter writer = PdfWriter.getInstance(document, fs);
				document.open();
				PdfContentByte cb = writer.getDirectContent();
				PdfTemplate tp = cb.createTemplate(width, height);
				Graphics2D g2 = tp.createGraphics(width, height, new DefaultFontMapper());
				component.print(g2);
				g2.dispose();
				cb.addTemplate(tp, 0, 0);
				document.close();
				break;
			case SVG:
				exportFreeHep(component, fs, new SVGGraphics2D(fs, new Dimension(width, height)));
				break;
			case EPS:
				exportFreeHep(component, fs, new PSGraphics2D(fs, new Dimension(width, height)));
				break;
			default:
				// cannot happen
				break;
		}
	} catch (Exception e) {
		throw new ImageExportException(I18N.getMessage(I18N.getUserErrorMessagesBundle(),
				"error.image_export.export_failed"), e);
	}
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Any work to start off printing a page of the document
 * m_currentPage will contain the page being printed, and
 * m_currentTemplatePage will contain the template page number to base this
 * new page on.
 * @throws FormPrintException Thrown if there is any form processing problems
 */
protected void startPage() throws FormPrintException {
    log.debug("startPage: Page=" + getCurrentPage());

    Rectangle r = m_templateReader.getPageSize(getCurrentTemplatePage());
    log.debug( "Page Size      : t="+r.getTop()+",l="+r.getLeft()+",b="+r.getBottom()+",r="+r.getRight()+", rot="+r.getRotation() );
    r = m_templateReader.getPageSizeWithRotation(getCurrentTemplatePage());
    log.debug( "Page Size w/Rot: t="+r.getTop()+",l="+r.getLeft()+",b="+r.getBottom()+",r="+r.getRight()+", rot="+r.getRotation() );

    // Get rotation quadrent 0..3
    int q = (m_templateReader.getPageSizeWithRotation(getCurrentTemplatePage()).getRotation() % 360)/90;
    float tX = (q==2?r.getTop():0)+(q==3?r.getRight():0);
    float tY = (q==1?r.getTop():0)+(q==2?r.getRight():0);
    float sX=1f, sY=1f;
    double angle = -r.getRotation()*(Math.PI/180f);
    double transformA = sX * Math.cos(angle);
    double transformB = sY * Math.sin(angle);
    double transformC = -sX * Math.sin(angle);
    double transformD = sY * Math.cos(angle);
    double transformE = tX;
    double transformF = tY;


    m_generatedDoc.setPageSize(m_templateReader.getPageSizeWithRotation(getCurrentTemplatePage()) );
    //m_generatedDoc.setPageSize(m_templateReader.getPageSize(getCurrentTemplatePage()) );
    /**
     * try {
     * m_generatedDoc.newPage();
     * } catch (DocumentException e) {
     * log.error("Error Creating New Page - " + e.getMessage() ,e);
     * throw new EngineProcessingException("Error Creating New Page - " + e.getMessage());
     * }
     **/
    m_generatedDoc.newPage();

    PdfImportedPage page = m_writer.getImportedPage(m_templateReader, getCurrentTemplatePage() );
    PdfContentByte cb = m_writer.getDirectContent();
    //cb.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
    cb.addTemplate(page, (float)transformA, (float)transformB, (float)transformC,
                         (float)transformD, (float)transformE, (float)transformF);
    log.debug("Matrix = [A=" + transformA +", B=" + transformB +", C=" + transformC +
                      ", D=" + transformD +", E=" + transformE +", F=" + transformF +" ]");
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
public void onEndPage(PdfWriter writer, Document document) {
	PdfContentByte cb = writer.getDirectContent();
	cb.saveState();

	String text = "Page " + writer.getPageNumber() + " of ";

	// height where text starts 
	float textBase = document.bottom() - getBaseOffset();
	float textSize = getFont().getWidthPoint(text, getFontSize());
	float width = document.getPageSize().getWidth();
	float center = width / 2.0f;

	cb.beginText();
	cb.setFontAndSize(getFont(), getFontSize());

	cb.setTextMatrix(document.left(), textBase);
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER, text, center, textBase, 0);
	cb.endText();
	cb.addTemplate(total, center + (textSize / 2.0f), textBase);

	cb.restoreState();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
  * Converts a JFreeChart to PDF syntax.
  * @param filename	the name of the PDF file
  * @param chart		the JFreeChart
  * @param width		the width of the resulting PDF
  * @param height	the height of the resulting PDF
  */
 public static void convertToPdf(JFreeChart chart, int width, int height, String filename) {
 	// step 1
 	Document document = new Document(new Rectangle(width, height));
 	try {
 		// step 2
 		PdfWriter writer;
writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream(filename));
// step 3
 		document.open();
 		// step 4
 		PdfContentByte cb = writer.getDirectContent();
 		PdfTemplate tp = cb.createTemplate(width, height);
 		Graphics2D g2d = tp.createGraphics(width, height, new DefaultFontMapper());
 		Rectangle2D r2d = new Rectangle2D.Double(0, 0, width, height);
 		chart.draw(g2d, r2d);
 		g2d.dispose();
 		tp.sanityCheck();
 		cb.addTemplate(tp, 0, 0);
 		cb.sanityCheck();
 	}
 	catch(DocumentException de) {
 		de.printStackTrace();
 	}
 	catch (FileNotFoundException e) {
 		e.printStackTrace();
 	}
 	// step 5
 	document.close();
 }
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Demonstrates the use of layers.
 * 
 * @param args
 *            no arguments needed
 */
@Test
public void main() throws Exception {
	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);
	// step 2: creation of the writer
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("optionalcontent.pdf"));
	writer.setPdfVersion(PdfWriter.VERSION_1_5);
	writer.setViewerPreferences(PdfWriter.PageModeUseOC);
	// step 3: opening the document
	document.open();
	// step 4: content
	PdfContentByte cb = writer.getDirectContent();
	Phrase explanation = new Phrase(
			"Automatic layers, form fields, images, templates and actions",
			new Font(Font.HELVETICA, 18, Font.BOLD, Color.red));
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, explanation, 50,
			650, 0);
	PdfLayer l1 = new PdfLayer("Layer 1", writer);
	PdfLayer l2 = new PdfLayer("Layer 2", writer);
	PdfLayer l3 = new PdfLayer("Layer 3", writer);
	PdfLayer l4 = new PdfLayer("Form and XObject Layer", writer);
	PdfLayerMembership m1 = new PdfLayerMembership(writer);
	m1.addMember(l2);
	m1.addMember(l3);
	Phrase p1 = new Phrase("Text in layer 1");
	Phrase p2 = new Phrase("Text in layer 2 or layer 3");
	Phrase p3 = new Phrase("Text in layer 3");
	cb.beginLayer(l1);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p1, 50, 600, 0f);
	cb.endLayer();
	cb.beginLayer(m1);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p2, 50, 550, 0);
	cb.endLayer();
	cb.beginLayer(l3);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p3, 50, 500, 0);
	cb.endLayer();
	TextField ff = new TextField(writer, new Rectangle(200, 600, 300, 620),
			"field1");
	ff.setBorderColor(Color.blue);
	ff.setBorderStyle(PdfBorderDictionary.STYLE_SOLID);
	ff.setBorderWidth(TextField.BORDER_WIDTH_THIN);
	ff.setText("I'm a form field");
	PdfFormField form = ff.getTextField();
	form.setLayer(l4);
	writer.addAnnotation(form);
	Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR
			+ "pngnow.png");
	img.setLayer(l4);
	img.setAbsolutePosition(200, 550);
	cb.addImage(img);
	PdfTemplate tp = cb.createTemplate(100, 20);
	Phrase pt = new Phrase("I'm a template", new Font(Font.HELVETICA, 12,
			Font.NORMAL, Color.magenta));
	ColumnText.showTextAligned(tp, Element.ALIGN_LEFT, pt, 0, 0, 0);
	tp.setLayer(l4);
	tp.setBoundingBox(new Rectangle(0, -10, 100, 20));
	cb.addTemplate(tp, 200, 500);
	ArrayList<Object> state = new ArrayList<Object>();
	state.add("toggle");
	state.add(l1);
	state.add(l2);
	state.add(l3);
	state.add(l4);
	PdfAction action = PdfAction.setOCGstate(state, true);
	Chunk ck = new Chunk("Click here to toggle the layers", new Font(
			Font.HELVETICA, 18, Font.NORMAL, Color.yellow)).setBackground(
			Color.blue).setAction(action);
	ColumnText.showTextAligned(cb, Element.ALIGN_CENTER, new Phrase(ck),
			250, 400, 0);
	cb.sanityCheck();

	// step 5: closing the document
	document.close();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Painting Patterns.
 * 
 * @param args
 *            no arguments needed
 */
@Test
public void main() throws Exception {


	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);

	// step 2:
	// we create a writer that listens to the document
	// and directs a PDF-stream to a file
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("pattern.pdf"));

	// step 3: we open the document
	document.open();

	// step 4: we add some content
	PdfContentByte cb = writer.getDirectContent();
	PdfTemplate tp = cb.createTemplate(400, 300);
	PdfPatternPainter pat = cb.createPattern(15, 15, null);
	pat.rectangle(5, 5, 5, 5);
	pat.fill();
	pat.sanityCheck();

	PdfSpotColor spc_cmyk = new PdfSpotColor("PANTONE 280 CV",
			new CMYKColor(0.9f, .2f, .3f, .1f));
	SpotColor spot = new SpotColor(spc_cmyk, 0.25f);
	tp.setPatternFill(pat, spot, .9f);
	tp.rectangle(0, 0, 400, 300);
	tp.fill();
	tp.sanityCheck();

	cb.addTemplate(tp, 50, 50);
	PdfPatternPainter pat2 = cb.createPattern(10, 10, null);
	pat2.setLineWidth(2);
	pat2.moveTo(-5, 0);
	pat2.lineTo(10, 15);
	pat2.stroke();
	pat2.moveTo(0, -5);
	pat2.lineTo(15, 10);
	pat2.stroke();
	cb.setLineWidth(1);
	cb.setColorStroke(Color.black);
	cb.setPatternFill(pat2, Color.red);
	cb.rectangle(100, 400, 30, 210);
	cb.fillStroke();
	cb.setPatternFill(pat2, Color.green);
	cb.rectangle(150, 400, 30, 100);
	cb.fillStroke();
	cb.setPatternFill(pat2, Color.blue);
	cb.rectangle(200, 400, 30, 130);
	cb.fillStroke();
	cb.setPatternFill(pat2, new GrayColor(0.5f));
	cb.rectangle(250, 400, 30, 80);
	cb.fillStroke();
	cb.setPatternFill(pat2, new GrayColor(0.7f));
	cb.rectangle(300, 400, 30, 170);
	cb.fillStroke();
	cb.setPatternFill(pat2, new GrayColor(0.9f));
	cb.rectangle(350, 400, 30, 40);
	cb.fillStroke();

	cb.sanityCheck();

	// step 5: we close the document
	document.close();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
public void add(Document docIn) throws IOException {
	PdfContentByte cb = writer.getDirectContent();
   
   ByteArrayInputStream in = new ByteArrayInputStream(docIn.getDocument());
   PdfReader reader = new PdfReader(in);
   for (int i = 1; i <= reader.getNumberOfPages(); i++) {
   	doc.newPage();
   	//import the page from source pdf
   	PdfImportedPage page = writer.getImportedPage(reader, i);
   	//add the page to the destination pdf
   	cb.addTemplate(page, 0, 0);
   }    
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * @param file The file to save to.
 * @return <code>true</code> on success.
 */
public boolean saveAsPDF(File file) {
    HashSet<Row> changed = expandAllContainers();
    try {
        PrintManager settings = mCharacter.getPageSettings();
        PageFormat format = settings != null ? settings.createPageFormat() : createDefaultPageFormat();
        Paper paper = format.getPaper();
        float width = (float) paper.getWidth();
        float height = (float) paper.getHeight();

        adjustToPageSetupChanges(true);
        setPrinting(true);

        com.lowagie.text.Document pdfDoc = new com.lowagie.text.Document(new com.lowagie.text.Rectangle(width, height));
        try (FileOutputStream out = new FileOutputStream(file)) {
            PdfWriter writer = PdfWriter.getInstance(pdfDoc, out);
            int pageNum = 0;
            PdfContentByte cb;

            pdfDoc.open();
            cb = writer.getDirectContent();
            while (true) {
                PdfTemplate template = cb.createTemplate(width, height);
                Graphics2D g2d = template.createGraphics(width, height, new DefaultFontMapper());

                if (print(g2d, format, pageNum) == NO_SUCH_PAGE) {
                    g2d.dispose();
                    break;
                }
                if (pageNum != 0) {
                    pdfDoc.newPage();
                }
                g2d.setClip(0, 0, (int) width, (int) height);
                print(g2d, format, pageNum++);
                g2d.dispose();
                cb.addTemplate(template, 0, 0);
            }
            pdfDoc.close();
        }
        return true;
    } catch (Exception exception) {
        return false;
    } finally {
        setPrinting(false);
        closeContainers(changed);
    }
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
    * Reads the pages of an existing PDF file, adds pagenumbers and a watermark.

    */
@Test
   public  void main() throws Exception {
           // we create a reader for a certain document
           PdfReader reader = new PdfReader(PdfTestBase.RESOURCES_DIR +"ChapterSection.pdf");
           int n = reader.getNumberOfPages();
           // we create a stamper that will copy the document to a new file
           PdfStamper stamp = new PdfStamper(reader,PdfTestBase.getOutputStream("watermark_pagenumbers.pdf"));
           // adding some metadata
           HashMap<String, String> moreInfo = new HashMap<String, String>();
           moreInfo.put("Author", "Bruno Lowagie");
           stamp.setMoreInfo(moreInfo);
           // adding content to each page
           int i = 0;
           PdfContentByte under;
           PdfContentByte over;
           Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR +"watermark.jpg");
           BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
           img.setAbsolutePosition(200, 400);
           while (i < n) {
           	i++;
           	// watermark under the existing page
           	under = stamp.getUnderContent(i);
           	under.addImage(img);
           	// text over the existing page
           	over = stamp.getOverContent(i);
           	over.beginText();
           	over.setFontAndSize(bf, 18);
           	over.setTextMatrix(30, 30);
           	over.showText("page " + i);
           	over.setFontAndSize(bf, 32);
           	over.showTextAligned(Element.ALIGN_LEFT, "DUPLICATE", 230, 430, 45);
           	over.endText();
           }
           // adding an extra page
           stamp.insertPage(1, PageSize.A4);
           over = stamp.getOverContent(1);
       	over.beginText();
       	over.setFontAndSize(bf, 18);
           over.showTextAligned(Element.ALIGN_LEFT, "DUPLICATE OF AN EXISTING PDF DOCUMENT", 30, 600, 0);
           over.endText();
           // adding a page from another document
           PdfReader reader2 = new PdfReader(PdfTestBase.RESOURCES_DIR +"SimpleAnnotations1.pdf");
           under = stamp.getUnderContent(1);
           under.addTemplate(stamp.getImportedPage(reader2, 3), 1, 0, 0, 1, 0, 0);
           // closing PdfStamper will generate the new PDF file
           stamp.close();
   }
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Reads the pages of an existing PDF file and puts 2 pages from the
 * existing doc into one of the new doc.
 */
@Test
public void main() throws Exception {
	// we create a reader for a certain document
	PdfReader reader = new PdfReader(PdfTestBase.RESOURCES_DIR + "ChapterSection.pdf");
	// we retrieve the total number of pages
	int n = reader.getNumberOfPages();
	// we retrieve the size of the first page
	Rectangle psize = reader.getPageSize(1);
	float width = psize.getHeight();
	float height = psize.getWidth();

	// step 1: creation of a document-object
	Document document = new Document(new Rectangle(width, height));
	// step 2: we create a writer that listens to the document
	PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream("2on1.pdf"));
	// step 3: we open the document
	document.open();
	// step 4: we add content
	PdfContentByte cb = writer.getDirectContent();
	int i = 0;
	int p = 0;
	while (i < n) {
		document.newPage();
		p++;
		i++;
		PdfImportedPage page1 = writer.getImportedPage(reader, i);
		cb.addTemplate(page1, .5f, 0, 0, .5f, 60, 120);
		if (i < n) {
			i++;
			PdfImportedPage page2 = writer.getImportedPage(reader, i);
			cb.addTemplate(page2, .5f, 0, 0, .5f, width / 2 + 60, 120);
		}
		BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
		cb.beginText();
		cb.setFontAndSize(bf, 14);
		cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "page " + p + " of " + ((n / 2) + (n % 2 > 0 ? 1 : 0)),
				width / 2, 40, 0);
		cb.endText();
	}
	// step 5: we close the document
	document.close();

}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
   
    */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document();

	// step 2:
	// we create a writer that listens to the document
	// and directs a PDF-stream to a file
	PdfWriter writer = PdfWriter.getInstance(document,	PdfTestBase.getOutputStream("templates.pdf"));

	// step 3: we open the document
	document.open();

	// step 4: we grab the ContentByte and do some stuff with it
	PdfContentByte cb = writer.getDirectContent();

	// we create a PdfTemplate
	PdfTemplate template = cb.createTemplate(500, 200);

	// we add some graphics
	template.moveTo(0, 200);
	template.lineTo(500, 0);
	template.stroke();
	template.setRGBColorStrokeF(255f, 0f, 0f);
	template.circle(250f, 100f, 80f);
	template.stroke();

	// we add some text
	template.beginText();
	BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252,
			BaseFont.NOT_EMBEDDED);
	template.setFontAndSize(bf, 12);
	template.setTextMatrix(100, 100);
	template.showText("Text at the position 100,100 (relative to the template!)");
	template.endText();
	template.sanityCheck();

	// we add the template on different positions
	cb.addTemplate(template, 0, 0);
	cb.addTemplate(template, 0, 1, -1, 0, 500, 200);
	cb.addTemplate(template, .5f, 0, 0, .5f, 100, 400);

	// we go to a new page
	document.newPage();
	cb.addTemplate(template, 0, 400);
	cb.addTemplate(template, 2, 0, 0, 2, -200, 400);
	cb.sanityCheck();

	// step 5: we close the document
	document.close();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
    * Creates a PDF document with shapes, lines and text at specific X and Y coordinates.
    */
@Test
public void main() throws Exception {
       
       // step 1: creation of a document-object
       Document document = new Document();
       
       try {      
           // step 2: creation of the writer
           PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream( "XandY.pdf"));
           
           // step 3: we open the document
           document.open();
           
           // step 4:
           PdfContentByte cb = writer.getDirectContent();
           
           // we create a PdfTemplate
           PdfTemplate template = cb.createTemplate(25, 25);
           
           // we add some crosses to visualize the coordinates
           template.moveTo(13, 0);
           template.lineTo(13, 25);
           template.moveTo(0, 13);
           template.lineTo(50, 13);
           template.stroke();
           template.sanityCheck();
           
           // we add the template on different positions
           cb.addTemplate(template, 216 - 13, 720 - 13);
           cb.addTemplate(template, 360 - 13, 360 - 13);
           cb.addTemplate(template, 360 - 13, 504 - 13);
           cb.addTemplate(template, 72 - 13, 144 - 13);
           cb.addTemplate(template, 144 - 13, 288 - 13);

           cb.moveTo(216, 720);
           cb.lineTo(360, 360);
           cb.lineTo(360, 504);
           cb.lineTo(72, 144);
           cb.lineTo(144, 288);
           cb.stroke();
           
           BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
           cb.beginText();
           cb.setFontAndSize(bf, 12);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(3\", 10\")", 216 + 25, 720 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 5\")", 360 + 25, 360 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 7\")", 360 + 25, 504 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(1\", 2\")", 72 + 25, 144 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(2\", 4\")", 144 + 25, 288 + 5, 0);
           cb.endText(); 
           
           cb.sanityCheck();
       }
       catch(DocumentException de) {
           System.err.println(de.getMessage());
       }
       catch(IOException ioe) {
           System.err.println(ioe.getMessage());
       }
       
       // step 5: we close the document
       document.close();
   }
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Adding a template using different transformation matrices.
 */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4);

	// step 2: creation of the writer
	PdfWriter writer = PdfWriter.getInstance(document,	PdfTestBase.getOutputStream("transformations.pdf"));

	// step 3: we open the document
	document.open();

	// step 4:
	PdfContentByte cb = writer.getDirectContent();

	// we create a PdfTemplate
	PdfTemplate template = cb.createTemplate(120, 120);

	// we add some graphics
	template.moveTo(30, 10);
	template.lineTo(90, 10);
	template.lineTo(90, 80);
	template.lineTo(110, 80);
	template.lineTo(60, 110);
	template.lineTo(10, 80);
	template.lineTo(30, 80);
	template.closePath();
	template.stroke();
	template.sanityCheck();

	// we add the template on different positions
	cb.addTemplate(template, 0, 0);
	cb.addTemplate(template, 0, 1, -1, 0, 200, 600);
	cb.addTemplate(template, .5f, 0, 0, .5f, 100, 400);
	cb.sanityCheck();

	// we go to a new page
	document.newPage();
	cb.addTemplate(template, 0, 500);
	cb.addTemplate(template, 2, 0, -1, 2, 200, 300);
	cb.sanityCheck();
	// step 5: we close the document
	document.close();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
    * Changes the default coordinate system so that the origin is in the upper left corner
    * instead of the lower left corner.
    */
@Test
public void main() throws Exception {
       
       // step 1: creation of a document-object
       Document document = new Document(PageSize.A4);
       
       try {
           // step 2: creation of the writer
           PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream( "upsidedown.pdf"));
           
           // step 3: we open the document
           document.open();
           
           // step 4:
           PdfContentByte cb = writer.getDirectContent();
           cb.concatCTM(1f, 0f, 0f, -1f, 0f, PageSize.A4.getHeight());
           
           // we create a PdfTemplate
           PdfTemplate template = cb.createTemplate(25, 25);
           
           // we add some crosses to visualize the coordinates
           template.moveTo(13, 0);
           template.lineTo(13, 25);
           template.moveTo(0, 13);
           template.lineTo(50, 13);
           template.stroke();
           template.sanityCheck();
           
           // we add the template on different positions
           cb.addTemplate(template, 216 - 13, 720 - 13);
           cb.addTemplate(template, 360 - 13, 360 - 13);
           cb.addTemplate(template, 360 - 13, 504 - 13);
           cb.addTemplate(template, 72 - 13, 144 - 13);
           cb.addTemplate(template, 144 - 13, 288 - 13);

           cb.moveTo(216, 720);
           cb.lineTo(360, 360);
           cb.lineTo(360, 504);
           cb.lineTo(72, 144);
           cb.lineTo(144, 288);
           cb.stroke();
           
           BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
           cb.beginText();
           cb.setFontAndSize(bf, 12);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(3\", 10\")", 216 + 25, 720 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 5\")", 360 + 25, 360 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 7\")", 360 + 25, 504 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(1\", 2\")", 72 + 25, 144 + 5, 0);
           cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(2\", 4\")", 144 + 25, 288 + 5, 0);
           cb.endText();
           
           cb.sanityCheck();
       }
       catch(DocumentException de) {
           System.err.println(de.getMessage());
       }
       catch(IOException ioe) {
           System.err.println(ioe.getMessage());
       }
       
       // step 5: we close the document
       document.close();
   }
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Changes the transformation matrix with AffineTransform.
 */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4);

	// step 2: creation of the writer
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("affinetransformation.pdf"));

	// step 3: we open the document
	document.open();

	// step 4:
	PdfContentByte cb = writer.getDirectContent();
	cb.transform(AffineTransform.getScaleInstance(1.2, 0.75));

	// we create a PdfTemplate
	PdfTemplate template = cb.createTemplate(25, 25);

	// we add some crosses to visualize the coordinates
	template.moveTo(13, 0);
	template.lineTo(13, 25);
	template.moveTo(0, 13);
	template.lineTo(50, 13);
	template.stroke();
	template.sanityCheck();

	// we add the template on different positions
	cb.addTemplate(template, 216 - 13, 720 - 13);
	cb.addTemplate(template, 360 - 13, 360 - 13);
	cb.addTemplate(template, 360 - 13, 504 - 13);
	cb.addTemplate(template, 72 - 13, 144 - 13);
	cb.addTemplate(template, 144 - 13, 288 - 13);

	cb.moveTo(216, 720);
	cb.lineTo(360, 360);
	cb.lineTo(360, 504);
	cb.lineTo(72, 144);
	cb.lineTo(144, 288);
	cb.stroke();

	BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252,
			BaseFont.NOT_EMBEDDED);
	cb.beginText();
	cb.setFontAndSize(bf, 12);
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
			"(3\" * 1.2, 10\" * .75)", 216 + 25, 720 + 5, 0);
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
			"(5\" * 1.2, 5\" * .75)", 360 + 25, 360 + 5, 0);
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
			"(5\" * 1.2, 7\" * .75)", 360 + 25, 504 + 5, 0);
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
			"(1\" * 1.2, 2\" * .75)", 72 + 25, 144 + 5, 0);
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
			"(2\" * 1.2, 4\" * .75)", 144 + 25, 288 + 5, 0);
	cb.endText();

	cb.sanityCheck();

	// step 5: we close the document
	document.close();
}