svgedit/dist/extensions/ext-star.js

var svgEditorExtension_star = (function () {
  'use strict';

  var asyncToGenerator = function (fn) {
    return function () {
      var gen = fn.apply(this, arguments);
      return new Promise(function (resolve, reject) {
        function step(key, arg) {
          try {
            var info = gen[key](arg);
            var value = info.value;
          } catch (error) {
            reject(error);
            return;
          }

          if (info.done) {
            resolve(value);
          } else {
            return Promise.resolve(value).then(function (value) {
              step("next", value);
            }, function (err) {
              step("throw", err);
            });
          }
        }

        return step("next");
      });
    };
  };

  /* globals jQuery */
  /**
   * ext-star.js
   *
   *
   * @copyright 2010 CloudCanvas, Inc. All rights reserved
   *
   */
  var extStar = {
    name: 'star',
    init: function () {
      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(S) {
        var svgEditor, $, svgCanvas, importLocale, selElems, started, newFO, strings, showPanel, setAttr, buttons, contextTools;
        return regeneratorRuntime.wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                setAttr = function setAttr(attr, val) {
                  svgCanvas.changeSelectedAttribute(attr, val);
                  S.call('changed', selElems);
                };

                showPanel = function showPanel(on) {
                  var fcRules = $('#fc_rules');
                  if (!fcRules.length) {
                    fcRules = $('<style id="fc_rules"></style>').appendTo('head');
                  }
                  fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
                  $('#star_panel').toggle(on);
                };

                svgEditor = this;
                $ = jQuery;
                svgCanvas = svgEditor.canvas;
                importLocale = S.importLocale; // {svgcontent},

                selElems = void 0, started = void 0, newFO = void 0;
                // edg = 0,
                // newFOG, newFOGParent, newDef, newImageName, newMaskID,
                // undoCommand = 'Not image',
                // modeChangeG, ccZoom, wEl, hEl, wOffset, hOffset, ccRgbEl, brushW, brushH;

                _context.next = 9;
                return importLocale();

              case 9:
                strings = _context.sent;


                /*
                function cot(n){
                  return 1 / Math.tan(n);
                }
                 function sec(n){
                  return 1 / Math.cos(n);
                }
                */
                buttons = [{
                  id: 'tool_star',
                  type: 'mode',
                  position: 12,
                  events: {
                    click: function click() {
                      showPanel(true);
                      svgCanvas.setMode('star');
                    }
                  }
                }];
                contextTools = [{
                  type: 'input',
                  panel: 'star_panel',
                  id: 'starNumPoints',
                  size: 3,
                  defval: 5,
                  events: {
                    change: function change() {
                      setAttr('point', this.value);
                    }
                  }
                }, {
                  type: 'input',
                  panel: 'star_panel',
                  id: 'starRadiusMulitplier',
                  size: 3,
                  defval: 2.5
                }, {
                  type: 'input',
                  panel: 'star_panel',
                  id: 'radialShift',
                  size: 3,
                  defval: 0,
                  events: {
                    change: function change() {
                      setAttr('radialshift', this.value);
                    }
                  }
                }];
                return _context.abrupt('return', {
                  name: strings.name,
                  svgicons: svgEditor.curConfig.extIconsPath + 'star-icons.svg',
                  buttons: strings.buttons.map(function (button, i) {
                    return Object.assign(buttons[i], button);
                  }),
                  context_tools: strings.contextTools.map(function (contextTool, i) {
                    return Object.assign(contextTools[i], contextTool);
                  }),
                  callback: function callback() {
                    $('#star_panel').hide();
                    // const endChanges = function(){};
                  },
                  mouseDown: function mouseDown(opts) {
                    var rgb = svgCanvas.getColor('fill');
                    // const ccRgbEl = rgb.substring(1, rgb.length);
                    var sRgb = svgCanvas.getColor('stroke');
                    // const ccSRgbEl = sRgb.substring(1, rgb.length);
                    var sWidth = svgCanvas.getStrokeWidth();

                    if (svgCanvas.getMode() === 'star') {
                      started = true;

                      newFO = S.addSVGElementFromJson({
                        element: 'polygon',
                        attr: {
                          cx: opts.start_x,
                          cy: opts.start_y,
                          id: S.getNextId(),
                          shape: 'star',
                          point: document.getElementById('starNumPoints').value,
                          r: 0,
                          radialshift: document.getElementById('radialShift').value,
                          r2: 0,
                          orient: 'point',
                          fill: rgb,
                          strokecolor: sRgb,
                          strokeWidth: sWidth
                        }
                      });
                      return {
                        started: true
                      };
                    }
                  },
                  mouseMove: function mouseMove(opts) {
                    if (!started) {
                      return;
                    }
                    if (svgCanvas.getMode() === 'star') {
                      var c = $(newFO).attr(['cx', 'cy', 'point', 'orient', 'fill', 'strokecolor', 'strokeWidth', 'radialshift']);

                      var x = opts.mouse_x;
                      var y = opts.mouse_y;
                      var cx = c.cx,
                          cy = c.cy,
                          fill = c.fill,
                          strokecolor = c.strokecolor,
                          strokeWidth = c.strokeWidth,
                          radialshift = c.radialshift,
                          point = c.point,
                          orient = c.orient,
                          circumradius = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy)) / 1.5,
                          inradius = circumradius / document.getElementById('starRadiusMulitplier').value;

                      newFO.setAttributeNS(null, 'r', circumradius);
                      newFO.setAttributeNS(null, 'r2', inradius);

                      var polyPoints = '';
                      for (var s = 0; point >= s; s++) {
                        var angle = 2.0 * Math.PI * (s / point);
                        if (orient === 'point') {
                          angle -= Math.PI / 2;
                        } else if (orient === 'edge') {
                          angle = angle + Math.PI / point - Math.PI / 2;
                        }

                        x = circumradius * Math.cos(angle) + cx;
                        y = circumradius * Math.sin(angle) + cy;

                        polyPoints += x + ',' + y + ' ';

                        if (inradius != null) {
                          angle = 2.0 * Math.PI * (s / point) + Math.PI / point;
                          if (orient === 'point') {
                            angle -= Math.PI / 2;
                          } else if (orient === 'edge') {
                            angle = angle + Math.PI / point - Math.PI / 2;
                          }
                          angle += radialshift;

                          x = inradius * Math.cos(angle) + cx;
                          y = inradius * Math.sin(angle) + cy;

                          polyPoints += x + ',' + y + ' ';
                        }
                      }
                      newFO.setAttributeNS(null, 'points', polyPoints);
                      newFO.setAttributeNS(null, 'fill', fill);
                      newFO.setAttributeNS(null, 'stroke', strokecolor);
                      newFO.setAttributeNS(null, 'stroke-width', strokeWidth);
                      /* const shape = */newFO.getAttributeNS(null, 'shape');

                      return {
                        started: true
                      };
                    }
                  },
                  mouseUp: function mouseUp() {
                    if (svgCanvas.getMode() === 'star') {
                      var attrs = $(newFO).attr(['r']);
                      // svgCanvas.addToSelection([newFO], true);
                      return {
                        keep: attrs.r !== '0',
                        element: newFO
                      };
                    }
                  },
                  selectedChanged: function selectedChanged(opts) {
                    // Use this to update the current selected elements
                    selElems = opts.elems;

                    var i = selElems.length;
                    while (i--) {
                      var elem = selElems[i];
                      if (elem && elem.getAttributeNS(null, 'shape') === 'star') {
                        if (opts.selectedElement && !opts.multiselected) {
                          // $('#starRadiusMulitplier').val(elem.getAttribute('r2'));
                          $('#starNumPoints').val(elem.getAttribute('point'));
                          $('#radialShift').val(elem.getAttribute('radialshift'));
                          showPanel(true);
                        } else {
                          showPanel(false);
                        }
                      } else {
                        showPanel(false);
                      }
                    }
                  },
                  elementChanged: function elementChanged(opts) {
                    // const elem = opts.elems[0];
                  }
                });

              case 13:
              case 'end':
                return _context.stop();
            }
          }
        }, _callee, this);
      }));

      function init(_x) {
        return _ref.apply(this, arguments);
      }

      return init;
    }()
  };

  return extStar;

}());