PS_Merge Multiple Single-Channel-Files to One Multi-Channels File

PS_MergeChannelsFromFiles.jsx

(function (){
	var f = Folder.selectDialog ('选择文件夹'),
		fA = f.getFiles ('*.tif'),
		fs = f.fsName,
		op =  new TiffSaveOptions,
		i = 0;
	op.imageCompression = TIFFEncoding.TIFFLZW; // 设置LZW压缩
	for (; i < fA.length; i += 5){
		process (fA[i]);
	}

	function process (base) {
		var fn = base.name.split('_')[0],
			PMS = unescape(f.getFiles (fn + '*.tif').toString().match(/(Pantone.+?)\.tif/)[1]),
			F = function (str){return File(fs + '/' + fn + '_' + str +'.tif')},
			_C = F('Cyan'),
			_M = F('Magenta'),
			_Y = F('Yellow'),
			_K = F('Black'),
			_S = F(PMS),
			loop = [_M, _Y, _K, _S],
			mDoc = app.open(_C),
			i = 0,
			doc;

		mDoc.changeMode(ChangeMode.MULTICHANNEL);

		for (; i < 4; i++){
			doc = app.open(loop[i]);
			doc.channels[0].duplicate (mDoc);
			doc.close(SaveOptions.DONOTSAVECHANGES);
		}
		mDoc.channels[4].name = PMS.toUpperCase();
		mDoc.channels[4].kind = ChannelType.SPOTCOLOR;
		setPMSColor(PMS);
		
		mDoc.changeMode(ChangeMode.CMYK);
		mDoc.saveAs(F('合并'), op);
		mDoc.close(SaveOptions.DONOTSAVECHANGES);
	}

	// ScriptingListenerJS Code
	function setPMSColor(str) {
		var idsetd = charIDToTypeID("setd");
		var desc20 = new ActionDescriptor();
		var idnull = charIDToTypeID("null");
		var ref12 = new ActionReference();
		var idChnl = charIDToTypeID("Chnl");
		var idOrdn = charIDToTypeID("Ordn");
		var idTrgt = charIDToTypeID("Trgt");
		ref12.putEnumerated(idChnl, idOrdn, idTrgt);
		desc20.putReference(idnull, ref12);
		var idT = charIDToTypeID("T   ");
		var desc21 = new ActionDescriptor();
		var idClr = charIDToTypeID("Clr ");
		var desc22 = new ActionDescriptor();
		var idBk = charIDToTypeID("Bk  ");
		desc22.putString(idBk, "PANTONE? solid coated");
		var idNm = charIDToTypeID("Nm  ");
		desc22.putString(idNm, str);
		var idbookID = stringIDToTypeID("bookID");
		desc22.putInteger(idbookID, 3002);
		var idbookKey = stringIDToTypeID("bookKey");
		desc22.putData(idbookKey, '  ' + str.replace(/\s/g, '').replace(/pantone/i, ''));
		var idBkCl = charIDToTypeID("BkCl");
		desc21.putObject(idClr, idBkCl, desc22);
		var idSCch = charIDToTypeID("SCch");
		desc20.putObject(idT, idSCch, desc21);
		executeAction(idsetd, desc20, DialogModes.NO);
	}
})();