AnnCodecs Class

 
import java.io.File; 
import java.io.IOException; 
import java.io.OutputStream; 
import java.io.FileOutputStream; 
import java.io.FileWriter; 
import java.util.Scanner; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.annotations.engine.*; 
 
 
public void annCodecsAnnCodecs() throws IOException { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
 
   // Create a new annotation container, 8.5 by 11 inches 
   AnnContainer container = new AnnContainer(); 
 
   // Size must be in annotation units (1/720 of an inch) 
   container.setSize(LeadSizeD.create(8.5 * 720, 11 * 720)); 
 
   double inch = 720.0; 
 
   // Add a red line object, from 1in 1in to 2in 2in 
   AnnPolylineObject lineObj = new AnnPolylineObject(); 
   lineObj.getPoints().add(LeadPointD.create(1 * inch, 1 * inch)); 
   lineObj.getPoints().add(LeadPointD.create(2 * inch, 2 * inch)); 
   lineObj.setStroke(AnnStroke.create(AnnSolidColorBrush.create("Red"), LeadLengthD.create(1))); 
   container.getChildren().add(lineObj); 
 
   // Add a blue on yellow rectangle from 3in 3in to 4in 4in 
   AnnRectangleObject rectObj = new AnnRectangleObject(); 
   rectObj.setRect(LeadRectD.create(3 * inch, 3 * inch, 1 * inch, 1 * inch)); 
   rectObj.setStroke(AnnStroke.create(AnnSolidColorBrush.create("Blue"), LeadLengthD.create(1))); 
   rectObj.setFill(AnnSolidColorBrush.create("Yellow")); 
   container.getChildren().add(rectObj); 
 
   // Show the container 
   showContainer("Before save", container); 
 
   // Create the codecs object to save and load annotations 
   AnnCodecs codecs = new AnnCodecs(); 
 
   AnnContainer[] containers = new AnnContainer[1]; 
   containers[0] = container; 
   String xmlData; 
 
   // Save the container 
   xmlData = codecs.saveAll(containers, AnnFormat.ANNOTATIONS); 
 
   // Delete the container 
   container = null; 
 
   // Show information about the data we just saved 
   AnnCodecsInfo info = codecs.getInfo(xmlData); 
   String message; 
   if (info.getFormat() == AnnFormat.ANNOTATIONS) { 
      message = "Version: "; 
      message += info.getVersion(); 
      message += " No. of pages: "; 
      message += info.getPages().length; 
      message += " page nos: "; 
      for (int i = 0; i < info.getPages().length; i++) { 
         message += info.getPages()[i] + " "; 
      } 
   } else 
      message = "Invalid annotations data"; 
 
   System.out.println(message); 
 
   // Show information about the XML data we just saved 
   AnnCodecsInfo infoFromString = codecs.getInfo(xmlData); 
 
   System.out.println("===================="); 
   System.out.println("Get Info From String"); 
   System.out.println("Format:  " + infoFromString.getFormat()); 
   System.out.println("Version: " + infoFromString.getVersion()); 
   System.out.println("Pages:   " + infoFromString.getPages().length); 
   System.out.println("===================="); 
 
   // Load the container we just saved 
   container = codecs.load(xmlData, 1); 
 
   // Show it 
   showContainer("After load", container); 
 
   // For testing correctness 
   AnnContainer savedContainer = container; 
 
   // Delete the container 
   container = null; 
 
   // Load the XML container just saved 
   container = codecs.load(xmlData, 1); 
 
   // Show it 
   showContainer("After load from string", container); 
 
   // Save Active Layer using a Stream output 
   AnnLayer layer = AnnLayer.create("MyLayer"); 
   container.setActiveLayer(layer); 
   String destFileName = combine(LEAD_VARS_IMAGES_DIR, "StreamActiveLayer.xml"); 
   File file = new File(destFileName); 
   if (!file.exists()) { 
      file.delete(); 
   } 
   file.createNewFile(); 
   OutputStream stream = new FileOutputStream(file.getPath()); 
   codecs.saveLayer(stream, container.getActiveLayer(), AnnFormat.ANNOTATIONS, 1); 
 
   // Save Active Layer using a File output 
   destFileName = combine(LEAD_VARS_IMAGES_DIR, "FileActiveLayer.xml"); 
   FileWriter writer = new FileWriter(destFileName); 
   AnnLayer layer2 = AnnLayer.create("MyLayer2"); 
   container.setActiveLayer(layer2); 
   codecs.saveLayer(writer, layer2, AnnFormat.ANNOTATIONS, 1); 
 
   // Save Layer to string 
   AnnLayer layer4 = AnnLayer.create("MyLayer4"); 
   String stringLayer = codecs.saveLayer(layer4, AnnFormat.ANNOTATIONS, xmlData); 
 
   System.out.println("Layer:\n" + stringLayer); 
 
   // Use SelectionObject, set ActiveLayer, Change Offset, Change PageNumber, and 
   // Save to string 
   AnnLayer layer5 = AnnLayer.create("MyLayer5"); 
   AnnSelectionObject annSelectionObject = container.getSelectionObject(); 
   annSelectionObject.setSelected(true); 
   container.setActiveLayer(layer5); 
   container.setOffset(new LeadPointD(10, 10)); 
   container.setPageNumber(3); 
   String saveToString = codecs.save(container, AnnFormat.ANNOTATIONS, xmlData, 1); 
   System.out.println("Container:\n" + saveToString); 
 
   // Load from String 
   AnnContainer annContainer = codecs.load(saveToString, 1); 
   System.out.println(annContainer.getPageNumber()); 
 
   for (int i = 0; i < container.getChildren().size(); i++) { 
      AnnObject annObj = container.getChildren().get(i); 
      AnnObject savedAnnObj = savedContainer.getChildren().get(i); 
      assertTrue("Check loaded and saved containers are equal", 
            annObj.getFriendlyName().equals(savedAnnObj.getFriendlyName())); 
   } 
       
   assertTrue("File unsuccessfully saved", new File(destFileName).exists()); 
   System.out.printf("Command run, image saved to %s\n", destFileName); 
} 
 
private void showContainer(String message, AnnContainer container) { 
 
   String str = message + "\nContainer size: "; 
 
   // Add the size 
   double inch = 720; 
   double width = container.getSize().getWidth() / inch; 
   double height = container.getSize().getHeight() / inch; 
   str += width + " by " + height + " inches" + "\n"; 
 
   // Add the objects 
   str += "Contains " + container.getChildren().size() + " objects(s)\n"; 
   for (int i = 0; i < container.getChildren().size(); i++) { 
      AnnObject annObj = container.getChildren().get(i); 
 
      str += "Object: " + annObj.getFriendlyName() + " at "; 
      for (int j = 0; j < annObj.getPoints().size(); j++) { 
         LeadPointD pt = annObj.getPoints().get(j); 
         double x = pt.getX() / inch; 
         double y = pt.getY() / inch; 
         str += "(" + x + ", " + y + ") "; 
      } 
 
      str += "\n"; 
   } 
 
   System.out.println(str); 
 
}