Java Tutorial/PDF/Column

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Add SimpleColumn to MultiColumnText

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.Font; import com.lowagie.text.FontFactory; import com.lowagie.text.PageSize; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.pdf.MultiColumnText; import com.lowagie.text.pdf.PdfWriter; public class MainClass { 

 public static void main(String[] args) throws Exception {
   Document document = new Document(PageSize.A4);
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   MultiColumnText mct = new MultiColumnText();
   mct.addSimpleColumn(100, 280);
   mct.addSimpleColumn(300, 480);
   for (int i = 0; i < 30; i++) {
     mct.addElement(new Paragraph(String.valueOf(i + 1)));
     mct.addElement(newParagraph("noun", Element.ALIGN_CENTER, Font.BOLDITALIC));
     for (int j = 0; j < 4; j++) {
       mct.addElement(newParagraph("Line", Element.ALIGN_LEFT, Font.NORMAL));
     }
     mct.addElement(newParagraph("adverb", Element.ALIGN_LEFT, Font.NORMAL));
     mct.addElement(newParagraph("\n\n", Element.ALIGN_LEFT, Font.NORMAL));
   }
   document.add(mct);
   document.close();
   document.close();
 }
 private static Element newParagraph(String text, int alignment, int type) {
   Font font = FontFactory.getFont(BaseFont.HELVETICA, 10, type);
   Paragraph p = new Paragraph(text, font);
   p.setAlignment(alignment);
   p.setLeading(font.size() * 1.2f);
   return p;
 }

}</source>





Column Properties

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.ColumnText; 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(PageSize.A4);
   PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   PdfContentByte cb = writer.getDirectContent();
   ColumnText ct = new ColumnText(cb);
   ct.setAlignment(Element.ALIGN_JUSTIFIED);
   ct.setExtraParagraphSpace(12);
   ct.setFollowingIndent(18);
   ct.setLeading(0, 1.2f);
   ct.setSpaceCharRatio(PdfWriter.NO_SPACE_CHAR_RATIO);
   ct.setUseAscender(true);
   Phrase p;
   ct.setSimpleColumn(36, 36, PageSize.A4.width() - 36, PageSize.A4.height() - 36);
   for (int i = 0; i < 10; i++) {
     p = new Phrase(i + "\n");
     ct.addText(p);
   }
   int status = ColumnText.START_COLUMN;
   while (ColumnText.hasMoreText(status)) {
     status = ct.go();
     ct.setYLine(PageSize.A4.height() - 36);
     document.newPage();
   }
   document.close();
 }

}</source>





Columns Right To Left

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.Font; import com.lowagie.text.FontFactory; import com.lowagie.text.PageSize; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.pdf.MultiColumnText; import com.lowagie.text.pdf.PdfWriter; public class MainClass { 

 public static void main(String[] args) throws Exception {
   Document document = new Document(PageSize.A4);
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   MultiColumnText mct = new MultiColumnText();
   mct.setColumnsRightToLeft(true);
   mct.addRegularColumns(document.left(), document.right(), 10f, 3);
   for (int i = 0; i < 30; i++) {
     mct.addElement(new Paragraph(String.valueOf(i + 1)));
     mct.addElement(newParagraph("noun", Element.ALIGN_CENTER, Font.BOLDITALIC));
     for (int j = 0; j < 4; j++) {
       mct.addElement(newParagraph("Line", Element.ALIGN_LEFT, Font.NORMAL));
     }
     mct.addElement(newParagraph("adverb", Element.ALIGN_LEFT, Font.NORMAL));
     mct.addElement(newParagraph("\n\n", Element.ALIGN_LEFT, Font.NORMAL));
   }
   document.add(mct);
   document.close();
   document.close();
 }
 private static Element newParagraph(String text, int alignment, int type) {
   Font font = FontFactory.getFont(BaseFont.HELVETICA, 10, type);
   Paragraph p = new Paragraph(text, font);
   p.setAlignment(alignment);
   p.setLeading(font.size() * 1.2f);
   return p;
 }

}</source>





ColumnText.hasMoreText

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.ColumnText; 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(PageSize.A4);
   PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   PdfContentByte cb = writer.getDirectContent();
   ColumnText ct = new ColumnText(cb);
   ct.setAlignment(Element.ALIGN_JUSTIFIED);
   ct.setText(new Phrase("string"));
   float[] left = { 36, (PageSize.A4.width() / 2) + 18 };
   float[] right = { (PageSize.A4.width() / 2) - 18, PageSize.A4.width() - 36 };
   int status = ColumnText.START_COLUMN;
   int column = 0;
   while (ColumnText.hasMoreText(status)) {
     ct.setSimpleColumn(left[column], 36, right[column], PageSize.A4.height() - 36);
     status = ct.go();
     column++;
     if (column > 1) {
       column = 0;
       document.newPage();
     }
   }
   document.close();
 }

}</source>





ColumnText.NO_MORE_COLUMN

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.ColumnText; 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(PageSize.A4);
   PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   PdfContentByte cb = writer.getDirectContent();
   ColumnText ct = new ColumnText(cb);
   ct.setSimpleColumn(36, 36, PageSize.A4.width() - 36, PageSize.A4.height() - 36, 18,
       Element.ALIGN_JUSTIFIED);
   ct.setText(new Phrase("String"));
   int status = ColumnText.NO_MORE_COLUMN;
   while ((status & ColumnText.NO_MORE_TEXT) == 0) {
     status = ct.go();
     ct.setYLine(PageSize.A4.height() - 36);
     document.newPage();
   }
   document.close();
 }

}</source>





Create Column With SimpleColumn

   <source lang="java">

import java.io.BufferedReader; import java.io.FileOutputStream; import java.io.FileReader; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.ColumnText; 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(PageSize.A4);
   PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   PdfContentByte cb = writer.getDirectContent();
   StringBuffer sb = new StringBuffer(1024);
   BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
   int c;
   while ((c = reader.read()) > -1) {
     sb.append((char) c);
   }
   reader.close();
   ColumnText ct = new ColumnText(cb);
   ct.setSimpleColumn(new Phrase(sb.toString()), 36, 36, PageSize.A4.width() - 36, PageSize.A4
       .height() - 36, 18, Element.ALIGN_JUSTIFIED);
   int status = ColumnText.START_COLUMN;
   while (ColumnText.hasMoreText(status)) {
     status = ct.go();
     ct.setYLine(PageSize.A4.height() - 36);
     document.newPage();
   }
   document.close();
 }

}</source>





Regular Columns

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.Font; import com.lowagie.text.FontFactory; import com.lowagie.text.PageSize; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.pdf.MultiColumnText; import com.lowagie.text.pdf.PdfWriter; public class MainClass { 

 public static void main(String[] args) throws Exception {
   Document document = new Document(PageSize.A4);
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   MultiColumnText mct = new MultiColumnText();
   mct.addRegularColumns(document.left(), document.right(), 10f, 3);
   for (int i = 0; i < 30; i++) {
     mct.addElement(new Paragraph(String.valueOf(i + 1)));
     mct.addElement(newParagraph("noun", Element.ALIGN_CENTER, Font.BOLDITALIC));
     for (int j = 0; j < 4; j++) {
       mct.addElement(newParagraph("Line", Element.ALIGN_LEFT, Font.NORMAL));
     }
     mct.addElement(newParagraph("adverb", Element.ALIGN_LEFT, Font.NORMAL));
     mct.addElement(newParagraph("\n\n", Element.ALIGN_LEFT, Font.NORMAL));
   }
   document.add(mct);
   document.close();
   document.close();
 }
 private static Element newParagraph(String text, int alignment, int type) {
   Font font = FontFactory.getFont(BaseFont.HELVETICA, 10, type);
   Paragraph p = new Paragraph(text, font);
   p.setAlignment(alignment);
   p.setLeading(font.size() * 1.2f);
   return p;
 }

}</source>





Set Column text

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.ColumnText; 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(PageSize.A4);
   PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   PdfContentByte cb = writer.getDirectContent();
   ColumnText ct = new ColumnText(cb);
   int status = ColumnText.START_COLUMN;
   ct.setSimpleColumn(36, 36, PageSize.A4.width() - 36, PageSize.A4.height() - 36, 18,
       Element.ALIGN_JUSTIFIED);
   Phrase p = new Phrase("line");
   ct.addText(p);
   float pos = ct.getYLine();
   status = ct.go(true);
   if (!ColumnText.hasMoreText(status)) {
     ct.addText(p);
     ct.setYLine(pos);
     ct.go(false);
   } else {
     document.newPage();
     ct.setText(p);
     ct.setYLine(PageSize.A4.height() - 36);
     ct.go();
   }
   document.close();
 }

}</source>





Using ColumnText

   <source lang="java">

import java.io.BufferedReader; import java.io.FileOutputStream; import java.io.FileReader; import com.lowagie.text.Document; import com.lowagie.text.Element; import com.lowagie.text.PageSize; import com.lowagie.text.Phrase; import com.lowagie.text.pdf.ColumnText; 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(PageSize.A4);
   PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   PdfContentByte cb = writer.getDirectContent();
   ColumnText ct = new ColumnText(cb);
   BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
   String line;
   while ((line = reader.readLine()) != null) {
     ct.addText(new Phrase(line + "\n"));
   }
   reader.close();
   ct.setSimpleColumn(36, 36, PageSize.A4.width() - 36, PageSize.A4.height() - 36, 18,
       Element.ALIGN_JUSTIFIED);
   int status = ColumnText.START_COLUMN;
   while (ColumnText.hasMoreText(status)) {
     status = ct.go();
     ct.setYLine(PageSize.A4.height() - 36);
     document.newPage();
   }
   document.close();
 }

}</source>


Источник — «http://jexp.ru/index.php?title=Java_Tutorial/PDF/Column&oldid=5574»