Create clipping path from current layer's vector- or layermask?

[edvardkrupke]

Hi!

I am having a bit of trouble with finding good sources of how to convert the current layer's vector- or layermask into a clipping path via Javascript.

I only found one reference in the scripting reference (apart from the index) - page 139;

Method	Parameter type	Returns	What it does
makeClippingPath ([flatness])	number [0.2..100]		Makes this the clipping path for this document. flatness tells the PostScript printer how to approximate curves in the path.

I have tried this to select the Vector Mask;

makeActiveByName("Canvas");
activeDocument.pathItems.getByName('Canvas Vector Mask').select();  

But when I add this;

activeDocument.pathItems.getByName('Canvas Vector Mask').makeClippingPath(0.2);

I get this;

I am aware that I should probably convert the Vector mask to a path before creating the clippingpath, but am unable to find relevant info on that issue as well.

TL;DR: How do I create a Clipping path from a Vector- or Layermask through Javascript?

If you can help me closer to the solution of the problem; Thank you!

[Stephen_A_Marsh · Accepted solution]

Not sure if this helps or not... the following cleaned SL code will duplicate the selected (shape?) path and set it to a clipping path with a 0.2 flatness value:

// =======================================================
make();
function make() {
  var c2t = function (s) {
  return app.charIDToTypeID(s);
  };
  var s2t = function (s) {
  return app.stringIDToTypeID(s);
  };
  var descriptor = new ActionDescriptor();
  var reference = new ActionReference();
  var reference2 = new ActionReference();
  reference.putClass( s2t( "path" ));
  descriptor.putReference( c2t( "null" ), reference );
  reference2.putEnumerated( s2t( "path" ), s2t( "path" ), s2t( "vectorMask" ));
  reference2.putEnumerated( s2t( "layer" ), s2t( "ordinal" ), s2t( "targetEnum" ));
  descriptor.putReference( s2t( "from" ), reference2 );
  executeAction( s2t( "make" ), descriptor, DialogModes.NO );
}
// =======================================================
set();
function set() {
  var c2t = function (s) {
  return app.charIDToTypeID(s);
  };
  var s2t = function (s) {
  return app.stringIDToTypeID(s);
  };
  var descriptor = new ActionDescriptor();
  var descriptor2 = new ActionDescriptor();
  var reference = new ActionReference();
  var reference2 = new ActionReference();
  reference.putProperty( s2t( "path" ), s2t( "clippingPath" ));
  descriptor.putReference( c2t( "null" ), reference );
  reference2.putEnumerated( s2t( "path" ), s2t( "ordinal" ), s2t( "targetEnum" ));
  descriptor2.putReference( s2t( "path" ), reference2 );
  descriptor2.putDouble( s2t( "flatness" ), 0.200000 ); // flatness value
  descriptor.putObject( s2t( "to" ), s2t( "clippingPathEPS" ), descriptor2 );
  executeAction( s2t( "set" ), descriptor, DialogModes.NO );
}

[edvardkrupke]

Well, I cannot for the life figure out why or how - but it does indeed do what I want i to do. Hah... I'll need to take a closer look at this.

Thank you immensely much, Stephen_A_March - take care - hope you will have a fantastic day!

[Stephen_A_Marsh]

Your welcome, that's the "beauty" of Script Listener/Action Manager recorded code... even when cleaned via the Clean SL script, it can still be esoteric!