Illustrator object to Swift.UIBezierPath

KRDrawScript.jsx

"use strict";

getPath = function() {
  var digit = 1000;
  var doc;

  try {
    doc = app.activeDocument;
  } catch(e){
    return "ファイルがありません.";
  }

  var pathItems = doc.selection;
  var itemsLen = pathItems.length;

  if(itemsLen === 0)
    return "オブジェクトを選択してください";

  // 表示するコード
  var dispText = "";
  dispText += 'var path = UIBezierPath()'+'\n';

  for(var i = 0 ; i < itemsLen ; i++) {
    var pathItem = pathItems[i];
    var isClosed = pathItem.closed;
    var pathPoints = pathItem.pathPoints;
    var pathLen = pathPoints.length;
    var endPoint;
    var prePoint;

    if(pathLen === 1) return "最低2つのパスを含む必要があります．";

    for(var j=0; j < pathLen; j++) {
      var ap = roundPoint(convertDToA(pathPoints[j].anchor), digit);
      var ld = roundPoint(convertDToA(pathPoints[j].leftDirection), digit);
      var c = (j != 0) ? j - 1 : pathLen - 1;
      var rd = roundPoint(convertDToA(pathPoints[c].rightDirection), digit);
      prePoint = roundPoint(convertDToA(pathPoints[c].anchor), digit);

      if (j == 0) {
        dispText += makeMoveToPoint(ap)+"\n";
        if (isClosed) {
          if(rd.toString() === prePoint.toString() && ld.toString() === ap.toString()) {
            // 直線
            endPoint = makeAddLine(ap);
          } else {
            // 曲線
            endPoint = makeAddCurve(ap, ld, rd);
          }
        }
      } else {
        if(rd.toString() === prePoint.toString() && ld.toString() === ap.toString()) {
          // 直線
          dispText += makeAddLine(ap)+"\n";
        } else {
          // 曲線
          dispText += makeAddCurve(ap, ld, rd)+"\n";
        }
      }
    }

    if (endPoint) {
      dispText += endPoint+"\n";
    }
  }

  dispText += "path.stroke()"+"\n";

  return dispText;
}

function makeMoveToPoint(anchor) {
  return 'path.moveToPoint(' + makeCGPointMake(anchor) + ')';
}

function makeAddLine(anchor) {
  return 'path.addLineToPoint(' + makeCGPointMake(anchor) + ')';
}

function makeAddCurve(anchor, leftDirection, rightDirection) {
  return 'path.addCurveToPoint(' + makeCGPointMake(anchor) +
    ', controlPoint1:' + makeCGPointMake(rightDirection) +
    ', controlPoint2:' + makeCGPointMake(leftDirection) +
    ')';
}

function makeCGPointMake(point) {
  return 'CGPoint(x: ' + point[0] + ', y: ' + point[1] + ')';
}

function roundPoint(point, places) {
  var p = [];
  var len = point.length;
  for(var i=0; i < len; i++) {
    p.push(Math.round(point[i] * places)/places);
  }
  return p;
}

function convertDToA(point) {
  var doc = app.activeDocument;
  var pos = doc.convertCoordinate (point, CoordinateSystem.DOCUMENTCOORDINATESYSTEM, CoordinateSystem.ARTBOARDCOORDINATESYSTEM);
  pos[1] *= -1;
  return pos;
}


/*
  メイン
*/
var text = getPath()
var palette= new Window("dialog", "KRDrawScript")
var pnlMain = palette.add("group { orientation: 'column', alignment :'left', alignChildren :'right'}");
textArea = pnlMain.add("edittext", undefined, text, {multiline:true});
textArea.minimumSize = [500,10];
var closeBtn = pnlMain.add("button", undefined, 'Close');
closeBtn.minimumSize = [100, 0];

closeBtn.onClick = function() {
  palette.close()
}

palette.show()