Java Tutorial/PDF/Shading

PdfShading.simpleAxial

   <source lang="java">

import java.awt.Color; import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfShading; import com.lowagie.text.pdf.PdfShadingPattern; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.pdf.ShadingColor; 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();
   PdfShading axial = PdfShading.simpleAxial(writer, 36, 716, 396, 788, Color.orange, Color.blue);

   PdfShadingPattern axialPattern = new PdfShadingPattern(axial);
   ShadingColor axialColor = new ShadingColor(axialPattern);
   cb.setColorFill(axialColor);
   cb.rectangle(36, 608, 72, 72);
   cb.rectangle(144, 608, 72, 72);
   cb.rectangle(252, 608, 72, 72);
   cb.rectangle(360, 608, 72, 72);
   cb.fillStroke();
   document.close();
 }

}</source>

PdfShading.simpleRadial

   <source lang="java">

import java.awt.Color; import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfShading; import com.lowagie.text.pdf.PdfShadingPattern; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.pdf.ShadingColor; 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();
   PdfShading radial = PdfShading.simpleRadial(writer, 200, 500, 50, 300, 500, 100, new Color(255,
       247, 148), new Color(247, 138, 107), false, false);
   cb.paintShading(radial);

   document.close();
 }

}</source>

Spot Color

   <source lang="java">

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.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);
   PdfShading axial = PdfShading.simpleAxial(writer, 36, 716, 396, 788, Color.orange, Color.blue);
   PdfShadingPattern axialPattern = new PdfShadingPattern(axial);
   ShadingColor axialColor = new ShadingColor(axialPattern);
   document.add(new Paragraph("This is a paragraph painted using a shading pattern", new Font(
       Font.HELVETICA, 24, Font.BOLD, axialColor)));
   document.close();
 }

}</source>