Photoshopスクリプト（jsx）│選択したレイヤーサイズのシェイプを作成する方法

layObj = activeDocument.activeLayer.bounds;
x1 = layObj[0];
y1 = layObj[1];
x2 = layObj[2];
y2 = layObj[3];
alert("(" + x1 + "," + y1 + ")-(" + x2 + "," + y2 + ")");

function DrawShape() {
    var doc = app.activeDocument;
    var y = arguments.length;
    var i = 0;
    
    var lineArray = [];
    for (i = 0; i < y; i++) {
        lineArray[i] = new PathPointInfo;
        lineArray[i].kind = PointKind.CORNERPOINT;
        lineArray[i].anchor = arguments[i];
        lineArray[i].leftDirection = lineArray[i].anchor;
        lineArray[i].rightDirection = lineArray[i].anchor;
    }

    var lineSubPathArray = new SubPathInfo();
    lineSubPathArray.closed = true;
    lineSubPathArray.operation = ShapeOperation.SHAPEADD;
    lineSubPathArray.entireSubPath = lineArray;
    var myPathItem = doc.pathItems.add("myPath", [lineSubPathArray]);
    
    var desc88 = new ActionDescriptor();
    var ref60 = new ActionReference();
    ref60.putClass(stringIDToTypeID("contentLayer"));
    desc88.putReference(charIDToTypeID("null"), ref60);
    var desc89 = new ActionDescriptor();
    var desc90 = new ActionDescriptor();
    var desc91 = new ActionDescriptor();
    desc91.putDouble(charIDToTypeID("Rd  "), 255.000000); // R
    desc91.putDouble(charIDToTypeID("Grn "), 0.000000); // G
    desc91.putDouble(charIDToTypeID("Bl  "), 128.000000); // B
    var id481 = charIDToTypeID("RGBC");
    desc90.putObject(charIDToTypeID("Clr "), id481, desc91);
    desc89.putObject(charIDToTypeID("Type"), stringIDToTypeID("solidColorLayer"), desc90);
    desc88.putObject(charIDToTypeID("Usng"), stringIDToTypeID("contentLayer"), desc89);
    executeAction(charIDToTypeID("Mk  "), desc88, DialogModes.NO);
    
    myPathItem.remove();
}

function GetImageSize() {  
    layObj = activeDocument.activeLayer.bounds;
    x1 = parseInt(layObj[0]);
    y1 = parseInt(layObj[1]);
    x2 = parseInt(layObj[2]);
    y2 = parseInt(layObj[3]);
}

GetImageSize();
DrawShape([x1, y1], [x1, y2], [x2, y2], [x2, y1]);

C:\Program Files\Adobe\Adobe Photoshop CC\Presets\Scripts\