Please try this:
// store selection on first run, on second run add overlapping parts of the sstored selection to the new selection;
// 2014, use at your own risk;
#target "photoshop-70.032"
if (app.documents.length > 0) {
activeDocument.suspendHistory("something with selections", "main()");
};
////// the stuff //////
function main () {
var myDocument = app.activeDocument;
var theChannelName = "removeThisChannelLaterOn";
if (hasSelection() == true) {
// if channel exists;
try {
var theChannel = myDocument.channels.getByName(theChannelName);
// store the selection;
var theOtherChannel = myDocument.channels.add();
myDocument.selection.store(theOtherChannel);
theOtherChannel.name = theChannelName+"Too";
// fill;
myDocument.activeChannels = [theChannel];
var theColor = new SolidColor();
theColor.rgb.red = 255;
theColor.rgb.green = 255;
theColor.rgb.blue = 255;
myDocument.selection.fill(theColor);
// get path information;
var path1 = workPathFromChannel (myDocument, theChannel);
var path2 = workPathFromChannel (myDocument, theOtherChannel);
// check for identical point;
var theCheck = checkForIdenticalPoints (path1, path2);
if (theCheck != false) {
var thePath = createPath2012([theCheck], "removeThisPathLaterOn");
// load;
thePath.makeSelection(0, false, SelectionType.REPLACE);
myDocument.selection.expand(1);
myDocument.selection.load(theChannel, SelectionType.INTERSECT, false)
// clean up;
thePath.remove();
}
// clean up;
theChannel.remove();
theOtherChannel.remove();
}
// if channel does not exist;
catch (e) {
// store the selection;
var theMask = myDocument.channels.add();
myDocument.selection.store(theMask);
theMask.name = theChannelName;
compositeChannels ();
showChannel (theChannelName);
myDocument.selection.deselect();
}
};
};
////// get work path info from channel //////
function workPathFromChannel (myDocument, theChannel) {
// load;
myDocument.selection.load(theChannel, SelectionType.REPLACE);
// use threshold to heighten non black pixels;
myDocument.quickMaskMode = true;
myDocument.activeLayer.threshold(1);
myDocument.quickMaskMode = false;
// create work path;
// =======================================================
var idMk = charIDToTypeID( "Mk " );
var desc16 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref12 = new ActionReference();
var idPath = charIDToTypeID( "Path" );
ref12.putClass( idPath );
desc16.putReference( idnull, ref12 );
var idFrom = charIDToTypeID( "From" );
var ref13 = new ActionReference();
var idcsel = charIDToTypeID( "csel" );
var idfsel = charIDToTypeID( "fsel" );
ref13.putProperty( idcsel, idfsel );
desc16.putReference( idFrom, ref13 );
var idTlrn = charIDToTypeID( "Tlrn" );
var idPxl = charIDToTypeID( "#Pxl" );
desc16.putUnitDouble( idTlrn, idPxl, 1.000000 );
executeAction( idMk, desc16, DialogModes.NO );
// get information;
var theArray = collectPathInfoFromDesc2012 (myDocument, myDocument.pathItems[myDocument.pathItems.length - 1]);
return theArray
};
////// check for selection //////
function hasSelection(){
var ref10 = new ActionReference();
ref10.putEnumerated( charIDToTypeID( "Dcmn" ), charIDToTypeID( "Ordn" ), charIDToTypeID( "Trgt" ) );
var docDesc = executeActionGet(ref10);
return docDesc.hasKey(stringIDToTypeID("selection"));
};
////// go to composite channels //////
function compositeChannels () {
// =======================================================
var idslct = charIDToTypeID( "slct" );
var desc2 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref2 = new ActionReference();
var idChnl = charIDToTypeID( "Chnl" );
var idChnl = charIDToTypeID( "Chnl" );
switch (activeDocument.mode) {
case DocumentMode.RGB:
var idComposite = charIDToTypeID( "RGB " );
break;
case DocumentMode.CMYK:
var idComposite = charIDToTypeID( "CMYK" );
break;
case DocumentMode.LAB:
var idComposite = charIDToTypeID( "Lab " );
break;
case DocumentMode.GRAYSCALE:
var idComposite = charIDToTypeID( "Blck" );
break;
};
ref2.putEnumerated( idChnl, idChnl, idComposite );
desc2.putReference( idnull, ref2 );
executeAction( idslct, desc2, DialogModes.NO );
};
////// chow channel of name //////
function showChannel (theName) {
// =======================================================
var idShw = charIDToTypeID( "Shw " );
var desc3 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var list1 = new ActionList();
var ref3 = new ActionReference();
var idChnl = charIDToTypeID( "Chnl" );
ref3.putName( idChnl, theName );
list1.putReference( ref3 );
desc3.putList( idnull, list1 );
executeAction( idShw, desc3, DialogModes.NO );
};
////// collect path info from actiondescriptor, smooth added //////
function collectPathInfoFromDesc2012 (myDocument, thePath) {
var originalRulerUnits = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.POINTS;
// based of functions from xbytor’s stdlib;
var ref = new ActionReference();
for (var l = 0; l < myDocument.pathItems.length; l++) {
var thisPath = myDocument.pathItems[l];
if (thisPath == thePath && thisPath.name == "Work Path") {
ref.putProperty(cTID("Path"), cTID("WrPt"));
};
if (thisPath == thePath && thisPath.name != "Work Path" && thisPath.kind != PathKind.VECTORMASK) {
ref.putIndex(cTID("Path"), l + 1);
};
if (thisPath == thePath && thisPath.kind == PathKind.VECTORMASK) {
var idPath = charIDToTypeID( "Path" );
var idPath = charIDToTypeID( "Path" );
var idvectorMask = stringIDToTypeID( "vectorMask" );
ref.putEnumerated( idPath, idPath, idvectorMask );
};
};
var desc = app.executeActionGet(ref);
var pname = desc.getString(cTID('PthN'));
// create new array;
var theArray = new Array;
var pathComponents = desc.getObjectValue(cTID("PthC")).getList(sTID('pathComponents'));
// for subpathitems;
for (var m = 0; m < pathComponents.count; m++) {
var listKey = pathComponents.getObjectValue(m).getList(sTID("subpathListKey"));
var operation1 = pathComponents.getObjectValue(m).getEnumerationValue(sTID("shapeOperation"));
switch (operation1) {
case 1097098272:
var operation = 1097098272 //cTID('Add ');
break;
case 1398961266:
var operation = 1398961266 //cTID('Sbtr');
break;
case 1231975538:
var operation = 1231975538 //cTID('Intr');
break;
default:
// case 1102:
var operation = sTID('xor') //ShapeOperation.SHAPEXOR;
break;
};
// for subpathitem’s count;
for (var n = 0; n < listKey.count; n++) {
theArray.push(new Array);
var points = listKey.getObjectValue(n).getList(sTID('points'));
try {var closed = listKey.getObjectValue(n).getBoolean(sTID("closedSubpath"))}
catch (e) {var closed = false};
// for subpathitem’s segment’s number of points;
for (var o = 0; o < points.count; o++) {
var anchorObj = points.getObjectValue(o).getObjectValue(sTID("anchor"));
var anchor = [anchorObj.getUnitDoubleValue(sTID('horizontal')), anchorObj.getUnitDoubleValue(sTID('vertical'))];
var thisPoint = [anchor];
try {
var left = points.getObjectValue(o).getObjectValue(cTID("Fwd "));
var leftDirection = [left.getUnitDoubleValue(sTID('horizontal')), left.getUnitDoubleValue(sTID('vertical'))];
thisPoint.push(leftDirection)
}
catch (e) {
thisPoint.push(anchor)
};
try {
var right = points.getObjectValue(o).getObjectValue(cTID("Bwd "));
var rightDirection = [right.getUnitDoubleValue(sTID('horizontal')), right.getUnitDoubleValue(sTID('vertical'))];
thisPoint.push(rightDirection)
}
catch (e) {
thisPoint.push(anchor)
};
try {
var smoothOr = points.getObjectValue(o).getBoolean(cTID("Smoo"));
thisPoint.push(smoothOr)
}
catch (e) {thisPoint.push(false)};
theArray[theArray.length - 1].push(thisPoint);
};
theArray[theArray.length - 1].push(closed);
theArray[theArray.length - 1].push(operation);
};
};
// by xbytor, thanks to him;
function cTID (s) { return cTID[s] || cTID[s] = app.charIDToTypeID(s); };
function sTID (s) { return sTID[s] || sTID[s] = app.stringIDToTypeID(s); };
// reset;
app.preferences.rulerUnits = originalRulerUnits;
return theArray;
};
////// create a path from collectPathInfoFromDesc2012-array //////
function createPath2012(theArray, thePathsName) {
var originalRulerUnits = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.POINTS;
// thanks to xbytor;
cTID = function(s) { return app.charIDToTypeID(s); };
sTID = function(s) { return app.stringIDToTypeID(s); };
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putProperty(cTID('Path'), cTID('WrPt'));
desc1.putReference(sTID('null'), ref1);
var list1 = new ActionList();
for (var m = 0; m < theArray.length; m++) {
var thisSubPath = theArray[m];
var desc2 = new ActionDescriptor();
desc2.putEnumerated(sTID('shapeOperation'), sTID('shapeOperation'), thisSubPath[thisSubPath.length - 1]);
var list2 = new ActionList();
var desc3 = new ActionDescriptor();
desc3.putBoolean(cTID('Clsp'), thisSubPath[thisSubPath.length - 2]);
var list3 = new ActionList();
for (var n = 0; n < thisSubPath.length - 2; n++) {
var thisPoint = thisSubPath[n];
var desc4 = new ActionDescriptor();
var desc5 = new ActionDescriptor();
desc5.putUnitDouble(cTID('Hrzn'), cTID('#Rlt'), thisPoint[0][0]);
desc5.putUnitDouble(cTID('Vrtc'), cTID('#Rlt'), thisPoint[0][1]);
desc4.putObject(cTID('Anch'), cTID('Pnt '), desc5);
var desc6 = new ActionDescriptor();
desc6.putUnitDouble(cTID('Hrzn'), cTID('#Rlt'), thisPoint[1][0]);
desc6.putUnitDouble(cTID('Vrtc'), cTID('#Rlt'), thisPoint[1][1]);
desc4.putObject(cTID('Fwd '), cTID('Pnt '), desc6);
var desc7 = new ActionDescriptor();
desc7.putUnitDouble(cTID('Hrzn'), cTID('#Rlt'), thisPoint[2][0]);
desc7.putUnitDouble(cTID('Vrtc'), cTID('#Rlt'), thisPoint[2][1]);
desc4.putObject(cTID('Bwd '), cTID('Pnt '), desc7);
desc4.putBoolean(cTID('Smoo'), thisPoint[3]);
list3.putObject(cTID('Pthp'), desc4);
};
desc3.putList(cTID('Pts '), list3);
list2.putObject(cTID('Sbpl'), desc3);
desc2.putList(cTID('SbpL'), list2);
list1.putObject(cTID('PaCm'), desc2);
};
desc1.putList(cTID('T '), list1);
executeAction(cTID('setd'), desc1, DialogModes.NO);
if (hasVectorMask() == false) {
if (thePathsName != undefined) {app.activeDocument.pathItems[app.activeDocument.pathItems.length - 1].name = thePathsName};
var myPathItem = app.activeDocument.pathItems[app.activeDocument.pathItems.length - 1];
}
else {
if (thePathsName != undefined) {app.activeDocument.pathItems[app.activeDocument.pathItems.length - 2].name = thePathsName};
var myPathItem = app.activeDocument.pathItems[app.activeDocument.pathItems.length - 2];
};
app.preferences.rulerUnits = originalRulerUnits;
return myPathItem
};
// from »Flatten All Masks.jsx« by jeffrey tranberry;
///////////////////////////////////////////////////////////////////////////////
// Function: hasVectorMask
// Usage: see if there is a vector layer mask
// Input: <none> Must have an open document
// Return: true if there is a vector mask
///////////////////////////////////////////////////////////////////////////////
function hasVectorMask() {
var hasVectorMask = false;
try {
var ref = new ActionReference();
var keyVectorMaskEnabled = app.stringIDToTypeID( 'vectorMask' );
var keyKind = app.charIDToTypeID( 'Knd ' );
ref.putEnumerated( app.charIDToTypeID( 'Path' ), app.charIDToTypeID( 'Ordn' ), keyVectorMaskEnabled );
var desc = executeActionGet( ref );
if ( desc.hasKey( keyKind ) ) {
var kindValue = desc.getEnumerationValue( keyKind );
if (kindValue == keyVectorMaskEnabled) {
hasVectorMask = true;
}
}
}catch(e) {
hasVectorMask = false;
}
return hasVectorMask;
};
////// check for identical pathpoints //////
function checkForIdenticalPoints (array1, array2) {
// the subpathitems;
for (var m = 0; m < array1.length; m++) {
var firstCheck = false;
var thisSub = array1[m];
// the other subpathitems;
for (var n = 0; n < array2.length; n++) {
var thisOtherSub = array2[n];
// the points;
for (var o = 0; o < thisSub.length - 2; o++) {
var thisPoint = thisSub[o][0];
// other point:
for (var p = 0; p < thisOtherSub.length - 2; p++) {
var otherPoint = thisOtherSub[p][0];
// terminate if one identical pont is found;
if (thisPoint[0] == otherPoint[0] && thisPoint[1] == otherPoint[1]) {return thisSub}
}
}
}
};
return false
};