This works well, I edited out the bottom left and right marks, but it appears that it only places the marks on the Red, Green, & Blue channels.
// the file used as registration mark
var markFile = new File('~/desktop/reg_mark.eps');
var doc = app.activeDocument;
// the color used for the text
var black = new SolidColor();
black.rgb.hexValue = '000000';
var currentLayer = doc.activeLayer;
var textLayer = doc.artLayers.add();
textLayer.kind = LayerKind.TEXT;
// font requires the postscript name of the font
textLayer.font = "ArialMT";
textLayer.textItem.size = new UnitValue(9,'pt');
textLayer.textItem.justification = Justification.RIGHT;
// set the position for the text. this sets to top right corner of the channel
// here it is set so the text baseline ends 40pts from the right edge, 15pts down
textLayer.textItem.position = [new UnitValue(doc.width.as('pt')-50,'pt'),new UnitValue(15,'pt')];
textLayer.textItem.contents = 'label';// temp label string
makeMarksLayer();
var marksLayer = doc.activeLayer;
for(var channelIndex = 0; channelIndex<doc.channels.length; channelIndex++){
var newTextLayer = textLayer.duplicate();
doc.activeLayer = newTextLayer;
newTextLayer.textItem.contents = doc.channels[channelIndex].name;
loadActiveLayerTransparencyToSelection();
doc.activeLayer = currentLayer;
doc.activeChannels = [doc.channels[channelIndex]];
doc.selection.fill(black);
doc.selection.deselect();
doc.activeLayer = marksLayer;
loadActiveLayerTransparencyToSelection();
doc.activeLayer = currentLayer;
doc.selection.fill(black);
doc.selection.deselect();
selectComponentChannel();
newTextLayer.remove();
}
textLayer.remove();
marksLayer.remove();
function loadActiveLayerTransparencyToSelection() {
var desc = new ActionDescriptor();
var ref = new ActionReference();
ref.putProperty( charIDToTypeID('Chnl'), charIDToTypeID('fsel') );
desc.putReference( charIDToTypeID('null'), ref );
var ref = new ActionReference();
ref.putEnumerated( charIDToTypeID('Chnl'), charIDToTypeID('Chnl'), charIDToTypeID('Trsp') );
desc.putReference( charIDToTypeID('T '), ref );
executeAction( charIDToTypeID('setd'), desc, DialogModes.NO );
};
function selectComponentChannel() {
try{
var map = {}
map[DocumentMode.GRAYSCALE] = charIDToTypeID('Blck');
map[DocumentMode.RGB] = charIDToTypeID('RGB ');
map[DocumentMode.CMYK] = charIDToTypeID('CMYK');
map[DocumentMode.LAB] = charIDToTypeID('Lab ');
var desc = new ActionDescriptor();
var ref = new ActionReference();
ref.putEnumerated( charIDToTypeID('Chnl'), charIDToTypeID('Chnl'), map[app.activeDocument.mode] );
desc.putReference( charIDToTypeID('null'), ref );
executeAction( charIDToTypeID('slct'), desc, DialogModes.NO );
}catch(e){}
};
function makeMarksLayer(){
var markLayer = doc.artLayers.add();
executeAction( stringIDToTypeID( "newPlacedLayer" ), undefined, DialogModes.NO );
executeAction( stringIDToTypeID( "placedLayerEditContents" ), new ActionDescriptor(), DialogModes.NO );
var smartObjectDoc = app.activeDocument;
placeEPS(markFile);
var placedLayer = smartObjectDoc.activeLayer;
smartObjectDoc.selection.selectAll();
alignTopLeft();
placedLayer.duplicate();
alignTopCenter();
placedLayer.duplicate();
alignTopRight();
placedLayer.duplicate();
alignBottomCenter();
smartObjectDoc.close(SaveOptions.SAVECHANGES);
};
function placeEPS(file) {
var desc = new ActionDescriptor();
var desc1 = new ActionDescriptor();
desc1.putEnumerated( charIDToTypeID('fsel'), stringIDToTypeID('pdfSelection'), stringIDToTypeID('page') );
desc1.putInteger( charIDToTypeID('PgNm'), 1 );
desc1.putEnumerated( charIDToTypeID('Crop'), stringIDToTypeID('cropTo'), stringIDToTypeID('artBox') );
desc.putObject( charIDToTypeID('As '), charIDToTypeID('PDFG'), desc1 );
desc.putPath( charIDToTypeID('null'), new File( file ) );
desc.putEnumerated( charIDToTypeID('FTcs'), charIDToTypeID('QCSt'), charIDToTypeID('Qcsa') );
desc.putUnitDouble( charIDToTypeID('Wdth'), charIDToTypeID('#Prc'), 100.000000 );
desc.putUnitDouble( charIDToTypeID('Hght'), charIDToTypeID('#Prc'), 100.000000 );
desc.putBoolean( charIDToTypeID('Lnkd'), true );
desc.putBoolean( charIDToTypeID('AntA'), true );
executeAction( charIDToTypeID('Plc '), desc, DialogModes.NO );
};
function align(type){
var desc = new ActionDescriptor();
var ref = new ActionReference();
ref.putEnumerated( charIDToTypeID( "Lyr " ), charIDToTypeID( "Ordn" ), charIDToTypeID( "Lnkd" ));
desc.putReference( charIDToTypeID( "null" ), ref);
desc.putEnumerated( charIDToTypeID( "Usng" ),charIDToTypeID( "ADSt" ), charIDToTypeID( type ) );
executeAction( charIDToTypeID( "Algn" ), desc, DialogModes.NO );;
};
function alignCenter(){
align("AdCH");
align("AdCV");
};
function alignTopLeft(){
align("AdTp");
align("AdLf");
};
function alignTopCenter(){
align("AdTp");
align("AdCH");
};
function alignTopRight(){
align("AdTp");
align("AdRg");
};
function alignBottomCenter(){
align("AdBt");
align("AdCH");
};
