Java/PDF RTF/Transformation

Материал из Java эксперт
Версия от 21:01, 31 мая 2010; (обсуждение)
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AffineTransformation in PDF

   <source lang="java">

import java.awt.geom.AffineTransform; import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.PageSize; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfWriter; public class AffineTransformationPDF {

 public static void main(String[] args) {
   Document document = new Document(PageSize.A4);
   try {
     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("AffineTransformationPDF.pdf"));
     document.open();
     PdfContentByte cb = writer.getDirectContent();
     cb.transform(AffineTransform.getScaleInstance(1.2, 0.75));
     cb.moveTo(216, 720);
     cb.lineTo(360, 360);
     cb.lineTo(360, 504);
     cb.lineTo(72, 144);
     cb.lineTo(144, 288);
     cb.stroke();
   } catch (Exception e) {
     System.err.println(e.getMessage());
   }
   document.close();
 }

}

      </source>
   
  
 
  



Transformations Demo

   <source lang="java">

import java.io.FileOutputStream; import java.io.IOException; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.PageSize; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfTemplate; import com.lowagie.text.pdf.PdfWriter; public class TransformationsPDF {

 public static void main(String[] args) {
   Document document = new Document(PageSize.A4);
   try {
     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("TransformationsPDF.pdf"));
     document.open();
     PdfContentByte cb = writer.getDirectContent();
     PdfTemplate template = cb.createTemplate(120, 120);
     template.moveTo(30, 10);
     template.lineTo(90, 10);
     template.lineTo(10, 80);
     template.lineTo(30, 80);
     template.closePath();
     template.stroke();
     cb.addTemplate(template, 0, 0);
     cb.addTemplate(template, 0, 1, -1, 0, 200, 600);
     cb.addTemplate(template, .5f, 0, 0, .5f, 100, 400);
   } catch (Exception e) {
     System.err.println(e.getMessage());
   }
   document.close();
 }

}

      </source>
   
  
 
  



Transforming Image

   <source lang="java">

import java.io.FileOutputStream; import java.io.IOException; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.Image; import com.lowagie.text.PageSize; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfWriter; public class TransformImagePDF {

 public static void main(String[] args) {
   Document.rupress = false;
   Document document = new Document(PageSize.A4);
   try {
     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("TransformImagePDF.pdf"));
     document.open();
     PdfContentByte cb = writer.getDirectContent();
     Image img = Image.getInstance("logo.png");
     cb.addImage(img, 250, -50, -30, 550, 100, 100);
   } catch (Exception e) {
     System.err.println(e.getMessage());
   }
   document.close();
 }

}

      </source>