//---------------------------------------------------
//---------- START OF USER CONFIG SECTION -----------
//---------------------------------------------------

// Where to place watermark vertically (in percentage) 0.0 -> 1.0
var pctVertical = 0.98;

// Where to place watermark horizontally (in percentage) 0.0 -> 1.0
// The watermark text will be centered horizontally at this point.
var pctHorizontal = 0.98;

// Text Size:  This value defines the font size of the watermark 
// text in percentage of image height.
var textSize = 0.05;

// Text Font:  This string is the name of the font to use for the 
// watermark text.
// var textFont = "CopperplateGothic-Bold"
var textFont = "Vivaldii";

// Watermark Text:  This is the actual watermark text string.
var watermarkText = "John Q Public";

// Watermark Type:  Define the watermark type to be applied.
// Types are: Proof, Signature
var watermarkType = "Signature";

//---------------------------------------------------
//---------- DOCUMENT PREPERATION SECTION -----------
//---------------------------------------------------

// Get a refernce to the current active document.
var docRef = app.activeDocument;

// Suppress all Photoshop dialogs
app.displayDialogs = DialogModes.NO;

var originalResolution = activeDocument.resolution; 
var resampleMethod = ResampleMethod.NONE; 
activeDocument.resizeImage(null,null,72,resampleMethod );

var strtRulerUnits = app.preferences.rulerUnits;
var strtTypeUnits = app.preferences.typeUnits;
app.preferences.rulerUnits = Units.PIXELS;
app.preferences.typeUnits = TypeUnits.PIXELS;

//---------------------------------------------------
//---------- FUNCTION DEFINITION SECTION ------------
//---------------------------------------------------

function applyProofWatermark()
{
	// Screen Opacity:  This value sets the layer opacity for the 
	// watermarking layer.
	var screenOpacity = 30;
	
  var posVertical = docRef.height * pctVertical;
  var posHorizontal = docRef.width * pctHorizontal;
	
	var newTextLayer = docRef.artLayers.add();
	newTextLayer.kind = LayerKind.TEXT;
	newTextLayer.textItem.justification = Justification.CENTER;
	newTextLayer.textItem.contents = watermarkText;
	newTextLayer.textItem.font = textFont;
	newTextLayer.textItem.position = Array(posHorizontal, posVertical);
	newTextLayer.textItem.size = (docRef.height * textSize);
	
	newTextLayer.textItem.createPath();
	
	newTextLayer.remove();
	
	docRef.pathItems.getByName("Work Path").makeSelection();
	docRef.pathItems.getByName("Work Path").remove();
	
	docRef.selection.copy();
	docRef.paste();
	
	docRef.activeLayer.name = "WaterMark";
	docRef.activeLayer.opacity = screenOpacity;
	docRef.activeLayer.blendMode = BlendMode.SCREEN;

	// This code applies the "Bevel and Emboss" layer style 
	// to the active layer.  This code was generated using the
	// ScriptListener plugin.
	var id11 = charIDToTypeID( "setd" );
	    var desc4 = new ActionDescriptor();
	    var id12 = charIDToTypeID( "null" );
	        var ref1 = new ActionReference();
	        var id13 = charIDToTypeID( "Prpr" );
	        var id14 = charIDToTypeID( "Lefx" );
	        ref1.putProperty( id13, id14 );
	        var id15 = charIDToTypeID( "Lyr " );
	        var id16 = charIDToTypeID( "Ordn" );
	        var id17 = charIDToTypeID( "Trgt" );
	        ref1.putEnumerated( id15, id16, id17 );
	    desc4.putReference( id12, ref1 );
	    var id18 = charIDToTypeID( "T   " );
	        var desc5 = new ActionDescriptor();
	        var id19 = charIDToTypeID( "Scl " );
	        var id20 = charIDToTypeID( "#Prc" );
	        desc5.putUnitDouble( id19, id20, 100.000000 );
	        var id21 = charIDToTypeID( "ebbl" );
	            var desc6 = new ActionDescriptor();
	            var id22 = charIDToTypeID( "enab" );
	            desc6.putBoolean( id22, true );
	            var id23 = charIDToTypeID( "hglM" );
	            var id24 = charIDToTypeID( "BlnM" );
	            var id25 = charIDToTypeID( "Scrn" );
	            desc6.putEnumerated( id23, id24, id25 );
	            var id26 = charIDToTypeID( "hglC" );
	                var desc7 = new ActionDescriptor();
	                var id27 = charIDToTypeID( "Rd  " );
	                desc7.putDouble( id27, 255.000000 );
	                var id28 = charIDToTypeID( "Grn " );
	                desc7.putDouble( id28, 255.000000 );
	                var id29 = charIDToTypeID( "Bl  " );
	                desc7.putDouble( id29, 255.000000 );
	            var id30 = charIDToTypeID( "RGBC" );
	            desc6.putObject( id26, id30, desc7 );
	            var id31 = charIDToTypeID( "hglO" );
	            var id32 = charIDToTypeID( "#Prc" );
	            desc6.putUnitDouble( id31, id32, 75.000000 );
	            var id33 = charIDToTypeID( "sdwM" );
	            var id34 = charIDToTypeID( "BlnM" );
	            var id35 = charIDToTypeID( "Mltp" );
	            desc6.putEnumerated( id33, id34, id35 );
	            var id36 = charIDToTypeID( "sdwC" );
	                var desc8 = new ActionDescriptor();
	                var id37 = charIDToTypeID( "Rd  " );
	                desc8.putDouble( id37, 0.000000 );
	                var id38 = charIDToTypeID( "Grn " );
	                desc8.putDouble( id38, 0.000000 );
	                var id39 = charIDToTypeID( "Bl  " );
	                desc8.putDouble( id39, 0.000000 );
	            var id40 = charIDToTypeID( "RGBC" );
	            desc6.putObject( id36, id40, desc8 );
	            var id41 = charIDToTypeID( "sdwO" );
	            var id42 = charIDToTypeID( "#Prc" );
	            desc6.putUnitDouble( id41, id42, 75.000000 );
	            var id43 = charIDToTypeID( "bvlT" );
	            var id44 = charIDToTypeID( "bvlT" );
	            var id45 = charIDToTypeID( "SfBL" );
	            desc6.putEnumerated( id43, id44, id45 );
	            var id46 = charIDToTypeID( "bvlS" );
	            var id47 = charIDToTypeID( "BESl" );
	            var id48 = charIDToTypeID( "InrB" );
	            desc6.putEnumerated( id46, id47, id48 );
	            var id49 = charIDToTypeID( "uglg" );
	            desc6.putBoolean( id49, true );
	            var id50 = charIDToTypeID( "lagl" );
	            var id51 = charIDToTypeID( "#Ang" );
	            desc6.putUnitDouble( id50, id51, 120.000000 );
	            var id52 = charIDToTypeID( "Lald" );
	            var id53 = charIDToTypeID( "#Ang" );
	            desc6.putUnitDouble( id52, id53, 30.000000 );
	            var id54 = charIDToTypeID( "srgR" );
	            var id55 = charIDToTypeID( "#Prc" );
	            desc6.putUnitDouble( id54, id55, 100.000000 );
	            var id56 = charIDToTypeID( "blur" );
	            var id57 = charIDToTypeID( "#Pxl" );
	            desc6.putUnitDouble( id56, id57, 5.000000 );
	            var id58 = charIDToTypeID( "bvlD" );
	            var id59 = charIDToTypeID( "BESs" );
	            var id60 = charIDToTypeID( "In  " );
	            desc6.putEnumerated( id58, id59, id60 );
	            var id61 = charIDToTypeID( "TrnS" );
	                var desc9 = new ActionDescriptor();
	                var id62 = charIDToTypeID( "Nm  " );
	                desc9.putString( id62, "Linear" );
	            var id63 = charIDToTypeID( "ShpC" );
	            desc6.putObject( id61, id63, desc9 );
	            var id64 = stringIDToTypeID( "antialiasGloss" );
	            desc6.putBoolean( id64, false );
	            var id65 = charIDToTypeID( "Sftn" );
	            var id66 = charIDToTypeID( "#Pxl" );
	            desc6.putUnitDouble( id65, id66, 0.000000 );
	            var id67 = stringIDToTypeID( "useShape" );
	            desc6.putBoolean( id67, false );
	            var id68 = stringIDToTypeID( "useTexture" );
	            desc6.putBoolean( id68, false );
	        var id69 = charIDToTypeID( "ebbl" );
	        desc5.putObject( id21, id69, desc6 );
	    var id70 = charIDToTypeID( "Lefx" );
	    desc4.putObject( id18, id70, desc5 );
	executeAction( id11, desc4, DialogModes.NO );
}

function applySignatureWatermark()
{
  var posVertical = docRef.height * pctVertical;
  var posHorizontal = docRef.width * pctHorizontal;
	
	var textColor = new SolidColor;
	textColor.rgb.red = 255;
	textColor.rgb.green = 255;
	textColor.rgb.blue = 255;

	var newTextLayer = docRef.artLayers.add();
	newTextLayer.kind = LayerKind.TEXT;
	newTextLayer.textItem.justification = Justification.RIGHT;
	newTextLayer.textItem.contents = watermarkText;
	newTextLayer.textItem.font = textFont;
	newTextLayer.textItem.position = Array(posHorizontal, posVertical);
	newTextLayer.textItem.size = (docRef.height * textSize);
  newTextLayer.textItem.color = textColor;
	
	// This code applies the outer glow layer style 
	// to the active layer.  This code was generated using the
	// ScriptListener plugin.
	var id499 = charIDToTypeID( "setd" );
	    var desc46 = new ActionDescriptor();
	    var id500 = charIDToTypeID( "null" );
	        var ref21 = new ActionReference();
	        var id501 = charIDToTypeID( "Prpr" );
	        var id502 = charIDToTypeID( "Lefx" );
	        ref21.putProperty( id501, id502 );
	        var id503 = charIDToTypeID( "Lyr " );
	        var id504 = charIDToTypeID( "Ordn" );
	        var id505 = charIDToTypeID( "Trgt" );
	        ref21.putEnumerated( id503, id504, id505 );
	    desc46.putReference( id500, ref21 );
	    var id506 = charIDToTypeID( "T   " );
	        var desc47 = new ActionDescriptor();
	        var id507 = charIDToTypeID( "Scl " );
	        var id508 = charIDToTypeID( "#Prc" );
	        desc47.putUnitDouble( id507, id508, 100.000000 );
	        var id509 = charIDToTypeID( "OrGl" );
	            var desc48 = new ActionDescriptor();
	            var id510 = charIDToTypeID( "enab" );
	            desc48.putBoolean( id510, true );
	            var id511 = charIDToTypeID( "Md  " );
	            var id512 = charIDToTypeID( "BlnM" );
	            var id513 = charIDToTypeID( "Mltp" );
	            desc48.putEnumerated( id511, id512, id513 );
	            var id514 = charIDToTypeID( "Clr " );
	                var desc49 = new ActionDescriptor();
	                var id515 = charIDToTypeID( "Rd  " );
	                desc49.putDouble( id515, 0.000000 );
	                var id516 = charIDToTypeID( "Grn " );
	                desc49.putDouble( id516, 0.000000 );
	                var id517 = charIDToTypeID( "Bl  " );
	                desc49.putDouble( id517, 0.000000 );
	            var id518 = charIDToTypeID( "RGBC" );
	            desc48.putObject( id514, id518, desc49 );
	            var id519 = charIDToTypeID( "Opct" );
	            var id520 = charIDToTypeID( "#Prc" );
	            desc48.putUnitDouble( id519, id520, 100.000000 );
	            var id521 = charIDToTypeID( "GlwT" );
	            var id522 = charIDToTypeID( "BETE" );
	            var id523 = charIDToTypeID( "SfBL" );
	            desc48.putEnumerated( id521, id522, id523 );
	            var id524 = charIDToTypeID( "Ckmt" );
	            var id525 = charIDToTypeID( "#Pxl" );
	            desc48.putUnitDouble( id524, id525, 8.000000 );
	            var id526 = charIDToTypeID( "blur" );
	            var id527 = charIDToTypeID( "#Pxl" );
	            desc48.putUnitDouble( id526, id527, 21.000000 );
	            var id528 = charIDToTypeID( "Nose" );
	            var id529 = charIDToTypeID( "#Prc" );
	            desc48.putUnitDouble( id528, id529, 0.000000 );
	            var id530 = charIDToTypeID( "ShdN" );
	            var id531 = charIDToTypeID( "#Prc" );
	            desc48.putUnitDouble( id530, id531, 0.000000 );
	            var id532 = charIDToTypeID( "AntA" );
	            desc48.putBoolean( id532, false );
	            var id533 = charIDToTypeID( "TrnS" );
	                var desc50 = new ActionDescriptor();
	                var id534 = charIDToTypeID( "Nm  " );
	                desc50.putString( id534, "Default" );
	                var id535 = charIDToTypeID( "Crv " );
	                    var list5 = new ActionList();
	                        var desc51 = new ActionDescriptor();
	                        var id536 = charIDToTypeID( "Hrzn" );
	                        desc51.putDouble( id536, 0.000000 );
	                        var id537 = charIDToTypeID( "Vrtc" );
	                        desc51.putDouble( id537, 0.000000 );
	                    var id538 = charIDToTypeID( "CrPt" );
	                    list5.putObject( id538, desc51 );
	                        var desc52 = new ActionDescriptor();
	                        var id539 = charIDToTypeID( "Hrzn" );
	                        desc52.putDouble( id539, 255.000000 );
	                        var id540 = charIDToTypeID( "Vrtc" );
	                        desc52.putDouble( id540, 255.000000 );
	                    var id541 = charIDToTypeID( "CrPt" );
	                    list5.putObject( id541, desc52 );
	                desc50.putList( id535, list5 );
	            var id542 = charIDToTypeID( "ShpC" );
	            desc48.putObject( id533, id542, desc50 );
	            var id543 = charIDToTypeID( "Inpr" );
	            var id544 = charIDToTypeID( "#Prc" );
	            desc48.putUnitDouble( id543, id544, 50.000000 );
	        var id545 = charIDToTypeID( "OrGl" );
	        desc47.putObject( id509, id545, desc48 );
	    var id546 = charIDToTypeID( "Lefx" );
	    desc46.putObject( id506, id546, desc47 );
	executeAction( id499, desc46, DialogModes.NO );
}

//----------------------------------------------
//---------- START OF MAIN SCRIPT --------------
//----------------------------------------------

switch (watermarkType)
{
case "Proof":
  applyProofWatermark();
  break;
  
case "Signature":
  applySignatureWatermark();
  break;
}

// We're all done now.  Just flatten the image.
docRef.flatten();

// Restore all the settings that we changed at the beginning. If 
// we don't do this then the user might get confused.

app.preferences.rulerUnits = strtRulerUnits;
app.preferences.typeUnits = strtTypeUnits;
activeDocument.resizeImage(null,null,originalResolution ,resampleMethod );

// Cleanup the references we've made.  This is just good programming
// practice.
docRef = null;
newTextLayer = null;