Java PdfContentByte.beginText方法代码示例

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
private void setPageNumbers() throws DocumentException, IOException {		
	
	int pages = getReader().getNumberOfPages();
	int i = 0;	
	PdfContentByte overContent;
	Rectangle pageSize = null;
	BaseFont font = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);

	while (i < pages) {
		i++;
		overContent = getStamper().getOverContent(i);
		pageSize = overContent.getPdfDocument().getPageSize();
		overContent.beginText();
		overContent.setFontAndSize(font, 9);
		overContent.setTextMatrix(pageSize.getWidth() - 50, pageSize.getHeight() - 70);
		overContent.showText("Page " + i + " of " + pages);
		overContent.endText();
	}
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
   * Print footer string on each page
   * @param writer
   * @param document
   */
  public void onEndPage(PdfWriter writer, Document document) {
   
  	if(getDateTime() == null) {
  		setDateTime(new Date());
  	}
  	
PdfContentByte cb = writer.getDirectContent();
cb.beginText();
cb.setFontAndSize(getBaseFont(), getFontSize());
cb.showTextAligned(PdfContentByte.ALIGN_LEFT, getDateFormat().format(getDateTime()), 
	    document.left(), 20, 0);
cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, String.valueOf(document.getPageNumber()), 
	    document.right(), 20, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, MESSAGES.pdfCopyright(Constants.getVersion()),
		(document.left() + document.right()) / 2, 20, 0);
cb.endText();
	
      return;
  }
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * @see com.lowagie.text.pdf.PdfPageEventHelper#onStartPage(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
 */
public void onStartPage(PdfWriter writer, Document document) {
    if (writer.getPageNumber() < 3) {
        PdfContentByte cb = writer.getDirectContentUnder();
        cb.saveState();
        cb.setColorFill(Color.pink);
        cb.beginText();
        cb.setFontAndSize(helv, 48);
        cb.showTextAligned(Element.ALIGN_CENTER, "My Watermark Under " + writer.getPageNumber(), document.getPageSize().getWidth() / 2, document.getPageSize().getHeight() / 2, 45);
        cb.endText();
        cb.restoreState();
    }
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
public void onEndPage(PdfWriter writer, Document document) {
	//Footer contains page numbers and date printed on all pages
	PdfContentByte cb = writer.getDirectContent();
	cb.saveState();

	String strFooter = promoTxt + " " + formatter.format(now);

	float textBase = document.bottom();
	cb.beginText();
	cb.setFontAndSize(font.getBaseFont(), FONTSIZE);
	Rectangle page = document.getPageSize();
	float width = page.getWidth();
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width / 2.0f), textBase - 20, 0);

	strFooter = "-" + writer.getPageNumber() + "-";
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width / 2.0f), textBase - 10, 0);

	cb.endText();
	cb.restoreState();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
public void onEndPage( PdfWriter writer, Document document ) {
    //Footer contains page numbers and date printed on all pages
    PdfContentByte cb = writer.getDirectContent();
    cb.saveState();

    String strFooter = promoTxt + " " + formatter.format(now);

    float textBase = document.bottom();
    cb.beginText();
    cb.setFontAndSize(font.getBaseFont(),FONTSIZE);
    Rectangle page = document.getPageSize();
    float width = page.getWidth();

    cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width/2.0f), textBase - 20, 0);

    strFooter = "-" + writer.getPageNumber() + "-";
    cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width/2.0f), textBase-10, 0);

    cb.endText();
    cb.restoreState();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Adds promo text, date and current page number to each page
 * 
 * @param writer
 * @param document
 */
public void onEndPage(PdfWriter writer, Document document) {
	PdfContentByte cb = writer.getDirectContent();
	cb.saveState();

	float textBase = document.bottom() - getBaseOffset();
	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.restoreState();
}
 

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
public void footer() {
       PdfContentByte cb = writer.getDirectContent();
       cb.saveState();

       Date now = new Date();
       String promoTxt = OscarProperties.getInstance().getProperty("FORMS_PROMOTEXT");
       if( promoTxt == null ) {
           promoTxt = new String();
       }

       String strFooter = promoTxt + " " + formatter.format(now);

       float textBase = document.bottom();
       cb.beginText();
       cb.setFontAndSize(font.getBaseFont(),FONTSIZE);
       Rectangle page = document.getPageSize();
       float width = page.getWidth();

       cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width/2.0f), textBase - 20, 0);

       strFooter = "-" + writer.getPageNumber() + "-";
       cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width/2.0f), textBase-10, 0);

       cb.endText();
       cb.restoreState();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
public void onEndPage( PdfWriter writer, Document document ) {
    //Footer contains page numbers and date printed on all pages
    PdfContentByte cb = writer.getDirectContent();
    cb.saveState();

    String strFooter = promoTxt + " " + formatter.format(now);

    float textBase = document.bottom();
    cb.beginText();
    cb.setFontAndSize(font.getBaseFont(),FONTSIZE);
    Rectangle page = document.getPageSize();
    float width = page.getWidth();            
    cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width/2.0f), textBase - 20, 0);

    strFooter = "-" + writer.getPageNumber() + "-";
    cb.showTextAligned(PdfContentByte.ALIGN_CENTER, strFooter, (width/2.0f), textBase-10, 0);

    cb.endText();
    cb.restoreState();
}
 

import com.lowagie.text.pdf.PdfContentByte; //导入方法依赖的package包/类
/**
 * Shading example.
 */
@Test
public void main() throws Exception {
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("shading_pattern.pdf"));
	document.open();

	PdfShading shading = PdfShading.simpleAxial(writer, 100, 100, 400, 100,
			Color.red, Color.cyan);
	PdfShadingPattern shadingPattern = new PdfShadingPattern(shading);
	PdfContentByte cb = writer.getDirectContent();
	BaseFont bf = BaseFont.createFont(BaseFont.TIMES_BOLD,
			BaseFont.WINANSI, false);
	cb.setShadingFill(shadingPattern);
	cb.beginText();
	cb.setTextMatrix(100, 100);
	cb.setFontAndSize(bf, 40);
	cb.showText("Look at this text!");
	cb.endText();
	PdfShading shadingR = PdfShading.simpleRadial(writer, 200, 500, 50,
			300, 500, 100, new Color(255, 247, 148), new Color(247, 138,
					107), false, false);
	cb.paintShading(shadingR);
	cb.sanityCheck();
	document.close();

}
 

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

        Rectangle page = document.getPageSize();
        PdfContentByte cb = writer.getDirectContent();
        BaseFont bf = BaseFont.createFont(BaseFont.TIMES_ROMAN, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
        int pageNum = document.getPageNumber();
        float width = page.getWidth();
        float height = page.getHeight();

        //add patient name header for every page but the first.
        if (pageNum > 1){
            cb.beginText();
            cb.setFontAndSize(bf, 8);
            cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, handler.getPatientName(), 575, height - 30, 0);
            cb.endText();

        }

        //add footer for every page
        cb.beginText();
        cb.setFontAndSize(bf, 8);
        cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "-"+pageNum+"-", width/2, 30, 0);
        cb.endText();


        // add promotext as footer if it is enabled
        if ( OscarProperties.getInstance().getProperty("FORMS_PROMOTEXT") != null){
            cb.beginText();
            cb.setFontAndSize(BaseFont.createFont(BaseFont.HELVETICA,BaseFont.CP1252,BaseFont.NOT_EMBEDDED), 6);
            cb.showTextAligned(PdfContentByte.ALIGN_CENTER, OscarProperties.getInstance().getProperty("FORMS_PROMOTEXT"), width/2, 19, 0);
            cb.endText();
        }

    // throw any exceptions
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}
 

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
/**
    * 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();
}
 

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

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

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

	// first we draw some lines to be able to visualize the text alignment
	// functions
	cb.setLineWidth(0f);
	cb.moveTo(250, 500);
	cb.lineTo(250, 800);
	cb.moveTo(50, 700);
	cb.lineTo(400, 700);
	cb.moveTo(50, 650);
	cb.lineTo(400, 650);
	cb.moveTo(50, 600);
	cb.lineTo(400, 600);
	cb.stroke();

	// we tell the ContentByte we're ready to draw text
	cb.beginText();

	BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252,
			BaseFont.NOT_EMBEDDED);
	cb.setFontAndSize(bf, 12);
	String text = "Sample text for alignment";
	// we show some text starting on some absolute position with a given
	// alignment
	cb.showTextAligned(PdfContentByte.ALIGN_CENTER, text + " Center", 250,
			700, 0);
	cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, text + " Right", 250,
			650, 0);
	cb.showTextAligned(PdfContentByte.ALIGN_LEFT, text + " Left", 250, 600,
			0);

	// we draw some text on a certain position
	cb.setTextMatrix(100, 400);
	cb.showText("Text at position 100,400.");

	// we draw some rotated text on a certain position
	cb.setTextMatrix(0, 1, -1, 0, 100, 300);
	cb.showText("Text at position 100,300, rotated 90 degrees.");

	// we draw some mirrored, rotated text on a certain position
	cb.setTextMatrix(0, 1, 1, 0, 200, 200);
	cb.showText("Text at position 200,200, mirrored and rotated 90 degrees.");

	// we tell the contentByte, we've finished drawing text
	cb.endText();

	cb.sanityCheck();

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