Admin: 1 версия

2010-06-01T05:21:20Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

Новая страница

== Add text to an existing Pdf document ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Image;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
public class MainClass {
public static void main(String[] args) throws Exception {
PdfReader reader = new PdfReader("HelloWorldRead.pdf");
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream("HelloWorldStamper2.pdf"));
Image img = Image.getInstance("watermark.jpg");
img.setAbsolutePosition(200, 400);
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
PdfContentByte under, over;
int total = reader.getNumberOfPages() + 1;
for (int i = 1; i < total; i++) {
stamper.setRotateContents(false);
under = stamper.getUnderContent(i);
under.addImage(img);
over = stamper.getOverContent(i);
over.beginText();
over.setFontAndSize(bf, 18);
over.setTextMatrix(30, 30);
over.showText("page " + i);
over.endText();
}
stamper.close();
}
}</source>



== Begin text and end text ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
String text = "this is a test";
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.setFontAndSize(bf, 12);
cb.beginText();

cb.showTextAligned(PdfContentByte.ALIGN_CENTER, text + " Center", 250, 650, 0);
cb.endText();
document.close();
}
}</source>



== Chunk text with underline ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Chunk foxLineUnder = new Chunk("this is a test");
foxLineUnder.setUnderline(0.2f, -2f);
Paragraph p = new Paragraph ();
p.add(foxLineUnder);
document.add(p);
document.add(Chunk.NEWLINE);
document.close();
}
}</source>



== Create and use PdfTextArray ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfTextArray;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(
document,
new FileOutputStream("2.pdf"));
document.open();
String text = "jexp";
PdfContentByte cb = writer.getDirectContent();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.moveText(36, 806);
cb.setFontAndSize(bf, 24);
cb.moveTextWithLeading(0, -36);
cb.showText(text);
cb.newlineText();

PdfTextArray array = new PdfTextArray("J");
array.add(120);
array.add("a");
array.add(120);
array.add("v");
array.add(95);
array.add("a2s");
cb.showText(array);

cb.endText();
document.close();
}
}</source>



== Draw Unicode string ==



<source lang="java">
import java.awt.Graphics2D;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
String text = "\u5e73\u548C";
PdfContentByte cb = writer.getDirectContent();
PdfTemplate tp = cb.createTemplate(100, 50);
Graphics2D g2 = tp.createGraphicsShapes(100, 50);
java.awt.Font font = new java.awt.Font("Arial Unicode MS", java.awt.Font.PLAIN, 12);
g2.setFont(font);
g2.drawString(text, 0, 40);
g2.dispose();
cb.addTemplate(tp, 36, 780);
document.close();
}
}</source>



== PdfContentByte.TEXT_RENDER_MODE_STROKE ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfTextArray;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(
document,
new FileOutputStream("2.pdf"));
document.open();
String text = "jexp";
PdfContentByte cb = writer.getDirectContent();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.beginText();
PdfTemplate tp2 = cb.createTemplate(200, 36);
tp2.beginText();
tp2.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_STROKE);
tp2.setFontAndSize(bf, 24);
tp2.moveText(1, -1);
tp2.showText(text);
tp2.endText();
cb.addTemplate(tp2, 36, 10);

cb.endText();
document.close();
}
}</source>



== Set Text Rendering Mode ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfTextArray;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(
document,
new FileOutputStream("2.pdf"));
document.open();
String text = "jexp";
PdfContentByte cb = writer.getDirectContent();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.beginText();
PdfTemplate tp1 = cb.createTemplate(160, 36);
tp1.beginText();
tp1.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
tp1.setFontAndSize(bf, 24);
tp1.moveText(6, -6);
tp1.showText(text);
tp1.endText();
cb.addTemplate(tp1, 36, 240);

cb.endText();
document.close();
}
}</source>



== Set Word Spacing ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfTextArray;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(
document,
new FileOutputStream("2.pdf"));
document.open();
String text = "jexp";
PdfContentByte cb = writer.getDirectContent();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.moveText(36, 806);
cb.setFontAndSize(bf, 24);
cb.moveTextWithLeading(0, -36);
cb.showText(text);
cb.newlineText();

PdfTextArray array = new PdfTextArray("J");
array.add(120);
array.add("a");
array.add(120);
array.add("v");
array.add(95);
array.add("a2s");
cb.showText(array);
cb.setWordSpacing(50);
cb.endText();
document.close();
}
}</source>



== Text alignment ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
String text = "this is a test";
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.setFontAndSize(bf, 12);
cb.beginText();

for (int i = 0; i < 360; i += 30) {
cb.showTextAligned(PdfContentByte.ALIGN_LEFT, text, 200, 300, i);
}
cb.endText();
document.close();
}
}</source>



== Text is added at an absolute position and the stream with the content of a page is not compressed ==



<source lang="java">
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.*;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class HelloWorldAbsolute {
public static void main(String[] args) throws Exception {
Document.rupress = false;
Document document = new Document(PageSize.A4);
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(
"HelloWorldAbsolute.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252,
BaseFont.NOT_EMBEDDED);
cb.saveState();
cb.beginText();
cb.moveText(36, 806);
cb.moveText(0, -18);
cb.setFontAndSize(bf, 12);
cb.showText("Hello World");
cb.endText();
cb.restoreState();
document.close();
}
}</source>



== Text Matrix ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
String text = "this is a test";
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.NOT_EMBEDDED);
cb.setFontAndSize(bf, 12);
cb.beginText();

cb.setTextMatrix(50, 700);
cb.showText(text);
cb.endText();
document.close();
}
}</source>



== Text with line above ==



<source lang="java">
import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
Chunk line = new Chunk("this is a test");
line.setUnderline(0.2f, 14f);
Paragraph p = new Paragraph ();
p.add(line);
document.add(p);
document.add(Chunk.NEWLINE);
document.close();
}
}</source>

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Admin: 1 версия

в 17:44, 31 мая 2010