trace image to SVG in Illustrator

imageTraceToSVG.jsx

/**********************************************************

ADOBE SYSTEMS INCORPORATED
Copyright 2005-2012 Adobe Systems Incorporated
All Rights Reserved

NOTICE:  Adobe permits you to use, modify, and
distribute this file in accordance with the terms
of the Adobe license agreement accompanying it.
If you have received this file from a source
other than Adobe, then your use, modification,
or distribution of it requires the prior
written permission of Adobe.

*********************************************************/

/**********************************************************

ImageTracing.jsx

DESCRIPTION

This sample gets files specified by the user from the
selected folder and batch processes them and saves them
as AI files in the user desired destination with the same
file name after tracing the raster arts in the files.

**********************************************************/

// Main Code [Execution of script begins here]

// uncomment to suppress Illustrator warning dialogs
 app.userInteractionLevel = UserInteractionLevel.DONTDISPLAYALERTS;


// Collectable files
var COLLECTABLE_EXTENSIONS = ["bmp", "gif", "giff", "jpeg", "jpg", "pct", "pic", "psd", "png", "tif", "tiff"];

var destFolder, sourceFolder, newdest, oldfolder;

// Select the source folder
//sourceFolder = Folder.selectDialog('Select the SOURCE folder...', '~/Github/Personal/assets/quran-word/');
sourceFolder = new Folder('~/Github/Personal/assets/quran-word/006');

if (sourceFolder != null) {
  // Select the destination folder
  oldfolder = String(sourceFolder).split("/").pop();
  newdest   = '~/Github/Personal/assets/SVG/' + oldfolder;
  //destFolder  = Folder.selectDialog('Select the DESTINATION folder...', newdest);
  destFolder = new Folder(newdest);

}

if (sourceFolder != null && destFolder != null) {
  //getting the list of the files from the input folder
  var fileList = sourceFolder.getFiles();
  var errorList;
  var tracingPresets = app.tracingPresetsList;

  for (var i = 0; i < fileList.length; ++i) {
    if (fileList[i] instanceof File) {
      try {
        var fileExt = String(fileList[i]).split (".").pop();
        var destFileName = fileList[i].name.substring(0, fileList[i].name.length - fileExt.length - 1);

        if (isTraceable(fileExt) != true)
          continue;

        var outfile = new File(destFolder + "/" + destFileName + ".svg");

        if (outfile.exists)
          continue;
        // Trace the files by placing them in the document.

        // Add a document in the app
        var doc = app.documents.add();

        // Add a placed item
        var p = doc.placedItems.add();
        p.file = new File(fileList[i]);

        // Trace the placed item
        var t = p.trace();

        t.tracing.tracingOptions.loadFromPreset(tracingPresets[19]);
        t.tracing.expandTracing();

        app.activeDocument.artboards[0].artboardRect = app.activeDocument.visibleBounds;

        app.redraw();

        // Call function getSVGOptions get the SVGSaveOptions for the files
        svgSaveOpts = getSVGOptions();

        // Save as svg
        doc.exportFile(outfile, ExportType.SVG, svgSaveOpts);

        // doc.saveAs(outfile);
        app.activeDocument.close(SaveOptions.DONOTSAVECHANGES);
        doc.close();
      } catch (err) {
        errorStr = ("Error while tracing " + fileList[i].name + ".\n" + (err.number & 0xFFFF) + ", " + err.description);
        // alert(errorStr);
        errorList += fileList[i].name + " ";
      }
    }
  }
  fileList = null;
  alert("Batch process complete.");
} else {
  alert("Batch process aborted.");
}

sourceFolder = null;
destFolder   = null;

function isTraceable(ext) {
  var result = false;
  for (var i = 0; i < COLLECTABLE_EXTENSIONS.length; ++i) {
    if (ext == COLLECTABLE_EXTENSIONS[i]) {
      result = true;
      break;
    }
  }
  return result;
}

function getSVGOptions() {
  var svgSaveOpts = new ExportOptionsSVG();

  //just using defaults aside from what's written below
  //see http://cssdk.host.adobe.com/sdk/1.0/docs/WebHelp/references/csawlib/com/adobe/illustrator/ExportOptionsSVG.html
  // SVGDocumentEncoding = ASCII UTF8 UTF16
  // SVGDTDVersion = SVGTINY1_2 SVGTINY1_1 SVGBASIC1_1 SVG1_1
  // STYLEELEMENTS STYLEATTRIBUTES

  // svgSaveOpts.documentEncoding     = SVGDocumentEncoding.UTF8;
  svgSaveOpts.cssProperties        = SVGCSSPropertyLocation.STYLEELEMENTS;
  // svgSaveOpts.DTD                  = SVGDTDVersion.SVG1_1;
  // svgSaveOpts.fontType             = SVGFontType.SVGFONT;
  // svgSaveOpts.fontSubsetting       = SVGFontSubsetting.None;
  svgSaveOpts.compressed           = false;
  //svgSaveOpts.optimizeForSVGViewer = true;
  svgSaveOpts.embedRasterImages    = false;
  svgSaveOpts.coordinatePrecision  = 1;
  svgSaveOpts.preserveEditability  = false;

  return svgSaveOpts;
}