Java Tutorial/PDF/Paragraph
Содержание
- 1 Add a Paragraph to a document
- 2 Colored Paragraphs
- 3 Element.ALIGN_JUSTIFIED
- 4 Paragraph Alignment: ALIGN_JUSTIFIED
- 5 Paragraph Alignment: Element.ALIGN_RIGHT
- 6 Paragraph Indentation Left
- 7 Paragraph Indentation Right
- 8 Paragraph Positions
- 9 Paragraph Spacing After
- 10 Paragraph Spacing Before
- 11 Paragraph text
Add a Paragraph to a document
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class CreateParagraph {
public static void main(String[] args) throws Exception {
Document document = new Document();
PdfWriter.getInstance(document, new FileOutputStream("HelloWorld.pdf"));
document.open();
document.add(new Paragraph("Hello World"));
document.close();
}
}
Colored Paragraphs
import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.CMYKColor;
import com.lowagie.text.pdf.PatternColor;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPatternPainter;
import com.lowagie.text.pdf.PdfShading;
import com.lowagie.text.pdf.PdfShadingPattern;
import com.lowagie.text.pdf.PdfSpotColor;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.ShadingColor;
import com.lowagie.text.pdf.SpotColor;
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();
PdfSpotColor psc_cmyk = new PdfSpotColor("iTextSpotColorCMYK", 0.25f, new CMYKColor(0.3f, .9f,
.3f, .1f));
SpotColor sc_cmyk = new SpotColor(psc_cmyk);
Image img = Image.getInstance("dog.jpg");
PdfPatternPainter img_pattern = cb.createPattern(img.scaledWidth(), img.scaledHeight(), img
.scaledWidth(), img.scaledHeight());
img_pattern.addImage(img, img.scaledWidth(), 0f, 0f, img.scaledHeight(), 0f, 0f);
img_pattern.setPatternMatrix(1f, 0f, 0f, 1f, 60f, 60f);
document.add(new Paragraph("This is a paragraph painted using a SpotColor", new Font(
Font.HELVETICA, 24, Font.BOLD, sc_cmyk)));
document.close();
}
}
Element.ALIGN_JUSTIFIED
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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 space = new Chunk("asdf");
Paragraph paragraph = new Paragraph();
paragraph.add(space);
paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(paragraph);
document.close();
}
}
Paragraph Alignment: ALIGN_JUSTIFIED
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document document = new Document(PageSize.A8.rotate());
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
String text = "this is a test";
Paragraph paragraph = new Paragraph(text);
paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(paragraph);
document.newPage();
writer.setSpaceCharRatio(PdfWriter.NO_SPACE_CHAR_RATIO);
document.add(paragraph);
document.close();
}
}
Paragraph Alignment: Element.ALIGN_RIGHT
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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 space = new Chunk("asdf");
Paragraph paragraph = new Paragraph();
paragraph.add(space);
paragraph.setAlignment(Element.ALIGN_RIGHT);
document.add(paragraph);
document.close();
}
}
Paragraph Indentation Left
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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 space = new Chunk("asdf");
Phrase phrase2 = new Phrase(new Chunk("asdf", new Font(Font.TIMES_ROMAN)));
Paragraph paragraph = new Paragraph();
paragraph.add(space);
paragraph.add(phrase2);
paragraph.setIndentationLeft(20);
paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(paragraph);
document.close();
}
}
Paragraph Indentation Right
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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 space = new Chunk("asdf");
Phrase phrase2 = new Phrase(new Chunk("asdf", new Font(Font.TIMES_ROMAN)));
Paragraph paragraph = new Paragraph();
paragraph.add(space);
paragraph.add(phrase2);
paragraph.setIndentationRight(20);
document.add(paragraph);
document.close();
}
}
Paragraph Positions
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.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(PageSize.A4);
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
String line;
Paragraph p;
float pos;
while ((line = reader.readLine()) != null) {
p = new Paragraph(" " + line);
p.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(p);
pos = writer.getVerticalPosition(false);
cb.moveTo(0, pos);
cb.lineTo(PageSize.A4.width(), pos);
cb.stroke();
if (pos < 90)
document.newPage();
}
reader.close();
document.close();
}
}
Paragraph Spacing After
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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 space = new Chunk("asdf");
Phrase phrase2 = new Phrase(new Chunk("asdf", new Font(Font.TIMES_ROMAN)));
Paragraph paragraph = new Paragraph();
paragraph.add(space);
paragraph.add(phrase2);
paragraph.setSpacingBefore(20);
paragraph.setSpacingAfter(10);
paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(paragraph);
document.close();
}
}
Paragraph Spacing Before
import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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 space = new Chunk("asdf");
Paragraph paragraph = new Paragraph();
paragraph.add(space);
paragraph.setSpacingBefore(20);
paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(paragraph);
document.close();
}
}
Paragraph text
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.Paragraph;
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();
BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
String line;
Paragraph p;
while ((line = reader.readLine()) != null) {
p = new Paragraph(" " + line);
p.setAlignment(Element.ALIGN_JUSTIFIED);
document.add(p);
}
reader.close();
document.close();
}
}