Clone() Method

RasterImageExamples.prototype.CloneExample = function ( )
{
   Tools.SetLicense();
   with ( Leadtools ) 
   {
      with (Leadtools.Codecs ) 
      {
         var codecs = new RasterCodecs();

         var srcFileName = "Assets\\eye.gif";

         // Load the multi-page image
         return Tools.AppInstallFolder().getFileAsync(srcFileName).then ( function ( loadFile ) {
            return codecs.loadAsync(LeadStreamFactory.create(loadFile)); } )
            .then ( function ( srcImage ) { 
               console.info("Pages in source image: ", srcImage.pageCount);

               // Use the Clone method to clone this image
               // Notice, this method only clones the current active page only
               var destImage1 = srcImage.clone();
               console.info("Pages in image created with Clone: ", destImage1.pageCount);
               console.assert(destImage1.pageCount === 1, "destImage1.PageCount == 1");

               // Use the Clone rectangle method to clone this image
               // Notice, this method also clones the current active page only
               var rc = LeadRectHelper.create(0, 0, srcImage.width / 2, srcImage.height / 2);
               console.info("Cloning with a rectangle = ", rc.toString());
               var destImage2 = srcImage.clone(rc);
               console.log("Pages in image created with Clone(LeadRect): ", destImage2.pageCount);
               console.log("Image created with Clone(LeadRect) size = " + destImage2.width + " by ", destImage2.height);
               console.assert(destImage2.pageCount == 1, "destImage2.PageCount == 1");
               console.assert(destImage2.width === srcImage.width / 2, "destImage2.Width == srcImage.Width / 2");
               console.assert(destImage2.height === srcImage.height / 2, "destImage2.height === srcImage.height / 2");

               // Use the CloneAll method, this should create a copy
               // of all the pages
               var destImage3 = srcImage.cloneAll();
               console.info("Pages in image created with CloneAll: ", destImage3.pageCount);
               console.assert(destImage3.pageCount == srcImage.pageCount, "destImage3.PageCount == srcImage.PageCount");

               // Use the CloneCommand, this allows you to have a progress
               // bar as well as control the memory flags, here
               // we will create a destination image using disk memory.
               var cloneCmd = new Leadtools.ImageProcessing.CloneCommand();
            
               cloneCmd.addEventListener ( "progress", cloneCmd_Progress);
               cloneCmd.createFlags = RasterMemoryFlags.disk;
               cloneCmd.run(srcImage);
               cloneCmd.removeEventListener ( "progress", cloneCmd_Progress);

               var destImage4 = cloneCmd.destinationImage;
               console.info("Pages in image created with CloneCommand: ", destImage4.pageCount);
               console.info("Disk memory model of image created with CloneCommand: ", destImage4.isDiskMemory);
               console.assert(destImage4.pageCount == 1);
               console.assert(destImage4.isDiskMemory);

               // Clean up
               destImage4.close();
               destImage3.close();
               destImage2.close();
               destImage1.close();
               srcImage.close();
               codecs.close();
            } ) ;
      }
   }
}

function cloneCmd_Progress(e)
{
   if (e.percent === 0)
      console.info("Clone progress started");
   if (e.percent == 100)
      console.info("Clone progress ended");
}