I think that if the Layer Mask has more than one distinct contiguous visible area the Object Selection Tool would need to be used for each individually.
With just one contiguous area (and therefore only one subPathItem) this seems to work.
// use layer mask as basis for object selection tool;
// if the path has more than one subpathitem only the first one will be used;
// 2023, use it at your own risk;
if (app.documents.length > 0) {
if (hasLayerMask () == true) {
loadSelectionOfLayerMask();
makeWorkPath (1);
var thePath = collectPathInfoFromDesc2012(activeDocument, activeDocument.pathItems[activeDocument.pathItems.length-1]);
objectSelectionToolFromPolygon (thePath)
};
};
////// based on code by phantomhive //////
function objectSelectionToolFromPolygon (theArray) {
var idset = stringIDToTypeID( "set" );
var desc4 = new ActionDescriptor();
var idnull = stringIDToTypeID( "null" );
var ref3 = new ActionReference();
var idchannel = stringIDToTypeID( "channel" );
var idselection = stringIDToTypeID( "selection" );
ref3.putProperty( idchannel, idselection );
desc4.putReference( idnull, ref3 );
var idto = stringIDToTypeID( "to" );
var desc14 = new ActionDescriptor();
var idpoints = stringIDToTypeID( "points" );
var list1 = new ActionList();
// the points;
for (var x = 0; x < theArray[0].length-2; x++) {
var desc15 = new ActionDescriptor();
var idpixelsUnit = stringIDToTypeID( "pointsUnit" );
desc15.putUnitDouble( stringIDToTypeID( "horizontal" ), idpixelsUnit, theArray[0][x][0][0] );
desc15.putUnitDouble( stringIDToTypeID( "vertical" ), idpixelsUnit, theArray[0][x][0][1] );
var idpaint = stringIDToTypeID( "paint" );
list1.putObject( idpaint, desc15 );
};
desc14.putList( idpoints, list1 );
var idrectangle = stringIDToTypeID( "polygon" );
desc4.putObject( idto, idrectangle, desc14 );
var iddeepSelect = stringIDToTypeID( "deepSelect" );
desc4.putBoolean( iddeepSelect, true );
var idobjectSelectionMode = stringIDToTypeID( "objectSelectionMode" );
desc4.putInteger( idobjectSelectionMode, 0 );
var idmagicLassoAutoEnhance = stringIDToTypeID( "magicLassoAutoEnhance" );
desc4.putBoolean( idmagicLassoAutoEnhance, true );
var idsmartSubtract = stringIDToTypeID( "smartSubtract" );
desc4.putBoolean( idsmartSubtract, true );
executeAction( idset, desc4, DialogModes.NO );
};
////// has layer mask //////
function hasLayerMask () {
var m_Dsc01, m_Ref01;
m_Ref01 = new ActionReference();
m_Ref01.putEnumerated(stringIDToTypeID("layer"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));
m_Dsc01 = executeActionGet(m_Ref01);
return m_Dsc01.hasKey(charIDToTypeID("Usrs"));
};
////// load layer mask //////
function loadSelectionOfLayerMask() {
try {
var idchannel = stringIDToTypeID( "channel" );
var desc70 = new ActionDescriptor();
var ref9 = new ActionReference();
ref9.putProperty( idchannel, stringIDToTypeID( "selection" ) );
desc70.putReference( stringIDToTypeID( "null" ), ref9 );
var ref10 = new ActionReference();
ref10.putEnumerated( idchannel, idchannel, stringIDToTypeID( "mask" ) );
desc70.putReference( stringIDToTypeID( "to" ), ref10 );
executeAction( stringIDToTypeID( "set" ), desc70, DialogModes.NO );
} catch (_error) {alert (_error)}
};
////// make work path from selection //////
function makeWorkPath (theTolerance) {
// =======================================================
var idMk = charIDToTypeID( "Mk " );
var desc5 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref3 = new ActionReference();
var idPath = charIDToTypeID( "Path" );
ref3.putClass( idPath );
desc5.putReference( idnull, ref3 );
var idFrom = charIDToTypeID( "From" );
var ref4 = new ActionReference();
var idcsel = charIDToTypeID( "csel" );
var idfsel = charIDToTypeID( "fsel" );
ref4.putProperty( idcsel, idfsel );
desc5.putReference( idFrom, ref4 );
var idTlrn = charIDToTypeID( "Tlrn" );
var idPxl = charIDToTypeID( "#Pxl" );
desc5.putUnitDouble( idTlrn, idPxl, theTolerance );
executeAction( idMk, desc5, 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 idPath = charIDToTypeID( "Path" );
var ref = new ActionReference();
for (var l = 0; l < myDocument.pathItems.length; l++) {
var thisPath = myDocument.pathItems[l];
if (thisPath == thePath && thisPath.kind == PathKind.WORKPATH) {
ref.putProperty(idPath, cTID("WrPt"));
};
if (thisPath == thePath && thisPath.kind != PathKind.WORKPATH && thisPath.kind != PathKind.VECTORMASK) {
ref.putIndex(idPath, l + 1);
};
if (thisPath == thePath && thisPath.kind == PathKind.VECTORMASK) {
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;
};
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