//------------------------------------------------------------------
//
//  convert image in RTF file to JPG using Word and PowerPoint
//
//------------------------------------------------------------------

var paths = { input:"C:/temp", output:"C:/temp" };
var apps  = { word: new ActiveXObject("Word.Application"), pp: new ActiveXObject("PowerPoint.Application"), quitAll: function () { this.word.Quit(); this.pp.Quit(); } };

convertFiles();
apps.quitAll();

//---------------------------------
function convertFiles()
{
	var i = 0;
	var files = getFiles( paths.input, 5 )[1];
	for( i = 0; i < files.length; i++ )
	{
		if( files[i].name.indexOf(".rtf") > -1 )
		{
			getContentFromWordFile( apps.word, files[i].path );
			exportClipBoardInPowerPoint( apps.pp, paths.output + "/" + files[i].name.split(".")[0] + ".jpg" );
		}
	}
}

//---------------------------------
function exportClipBoardInPowerPoint( app, fileName )
{
	var slide = app.Presentations.Add().Slides.Add( 1,12 ); // ppLayoutBlank = 12
	slide.Shapes.Paste();
	slide.Shapes.Item(1).Export( fileName, 1 );
}

//---------------------------------
function getContentFromWordFile( wordApp, fileName )
{
	wordApp.Documents.open( fileName ).InlineShapes.Item(0).Range.CopyAsPicture();
}

//-----------------------------------------------------------------------------------
//-- returns an array: [ array of folder objects, array of file objects ]
//-- n = 0001 (1): no folders
//-- n = 0010 (2): no files
//-- n = 0100 (4): no subfolders
//-----------------------------------------------------------------------------------
function getFiles( startfolder, n )
{
	if( !n ) n = 0;
	var fso     = new ActiveXObject("Scripting.FileSystemObject");
	var folders = new Array();
	var files   = new Array();
	if( !fso.FolderExists( startfolder ) )
	{
		msg("Folder " + startfolder + " not found!");
		return [ [],[] ];
	}
	getNext( startfolder );
	return [ folders, files ];
	
	function getNext( fld )
	{
		var folderObj = fso.getFolder( fld );
		var filesEn, foldersEn;

		if( (n & 2) == 0 )
		{
			filesEn   = new Enumerator( folderObj.Files );
			for (; !filesEn.atEnd(); filesEn.moveNext()) files.push( filesEn.item() );
		}
		if( (n & 1) == 0 )
		{
			folders.push( folderObj );
		}
		if( (n & 4) == 0 )
		{
			foldersEn = new Enumerator( folderObj.SubFolders );
			for (; !foldersEn.atEnd(); foldersEn.moveNext()) getNext( foldersEn.item().path );
		}
	}
}

//---------------------------
function msg(s) { WScript.Echo(s); }

//---------------------------
//-- additional information :
/*
ppShapeFormatGIF = 0
ppShapeFormatJPG = 1
ppShapeFormatPNG = 2
ppShapeFormatBMP = 3
ppShapeFormatWMF = 4
ppShapeFormatEMF = 5

ppRelativeToSlide = 1
ppClipRelativeToSlide = 2
ppScaleToFit = 3
ppScaleXY = 4
*/