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✏️ Editing: gauge.js

// Generated by CoffeeScript 1.10.0
(function() {
  var AnimatedText, AnimatedTextFactory, Bar, BaseDonut, BaseGauge, Donut, Gauge, GaugePointer, TextRenderer, ValueUpdater, addCommas, cutHex, formatNumber, mergeObjects, secondsToString,
    slice = [].slice,
    hasProp = {}.hasOwnProperty,
    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

secondsToString = function(sec) {
    var hr, min;
    hr = Math.floor(sec / 3600);
    min = Math.floor((sec - (hr * 3600)) / 60);
    sec -= (hr * 3600) + (min * 60);
    sec += '';
    min += '';
    while (min.length < 2) {
      min = '0' + min;
    }
    while (sec.length < 2) {
      sec = '0' + sec;
    }
    hr = hr ? hr + ':' : '';
    return hr + min + ':' + sec;
  };

formatNumber = function() {
    var digits, num, value;
    num = 1 <= arguments.length ? slice.call(arguments, 0) : [];
    value = num[0];
    digits = 0 || num[1];
    return addCommas(value.toFixed(digits));
  };

mergeObjects = function(obj1, obj2) {
    var key, out, val;
    out = {};
    for (key in obj1) {
      if (!hasProp.call(obj1, key)) continue;
      val = obj1[key];
      out[key] = val;
    }
    for (key in obj2) {
      if (!hasProp.call(obj2, key)) continue;
      val = obj2[key];
      out[key] = val;
    }
    return out;
  };

addCommas = function(nStr) {
    var rgx, x, x1, x2;
    nStr += '';
    x = nStr.split('.');
    x1 = x[0];
    x2 = '';
    if (x.length > 1) {
      x2 = '.' + x[1];
    }
    rgx = /(\d+)(\d{3})/;
    while (rgx.test(x1)) {
      x1 = x1.replace(rgx, '$1' + ',' + '$2');
    }
    return x1 + x2;
  };

cutHex = function(nStr) {
    if (nStr.charAt(0) === "#") {
      return nStr.substring(1, 7);
    }
    return nStr;
  };

ValueUpdater = (function() {
    ValueUpdater.prototype.animationSpeed = 32;

ValueUpdater.prototype.update = function(force) {
      var diff;
      if (force == null) {
        force = false;
      }
      if (force || this.displayedValue !== this.value) {
        if (this.ctx && this.clear) {
          this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
        }
        diff = this.value - this.displayedValue;
        if (Math.abs(diff / this.animationSpeed) <= 0.001) {
          this.displayedValue = this.value;
        } else {
          this.displayedValue = this.displayedValue + diff / this.animationSpeed;
        }
        this.render();
        return true;
      }
      return false;
    };

return ValueUpdater;

})();

BaseGauge = (function(superClass) {
    extend(BaseGauge, superClass);

function BaseGauge() {
      return BaseGauge.__super__.constructor.apply(this, arguments);
    }

BaseGauge.prototype.displayScale = 1;

BaseGauge.prototype.forceUpdate = true;

BaseGauge.prototype.setTextField = function(textField, fractionDigits) {
      return this.textField = textField instanceof TextRenderer ? textField : new TextRenderer(textField, fractionDigits);
    };

BaseGauge.prototype.setMinValue = function(minValue, updateStartValue) {
      var gauge, j, len, ref, results;
      this.minValue = minValue;
      if (updateStartValue == null) {
        updateStartValue = true;
      }
      if (updateStartValue) {
        this.displayedValue = this.minValue;
        ref = this.gp || [];
        results = [];
        for (j = 0, len = ref.length; j < len; j++) {
          gauge = ref[j];
          results.push(gauge.displayedValue = this.minValue);
        }
        return results;
      }
    };

BaseGauge.prototype.setOptions = function(options) {
      if (options == null) {
        options = null;
      }
      this.options = mergeObjects(this.options, options);
      if (this.textField) {
        this.textField.el.style.fontSize = options.fontSize + 'px';
      }
      if (this.options.angle > .5) {
        this.options.angle = .5;
      }
      this.configDisplayScale();
      return this;
    };

BaseGauge.prototype.configDisplayScale = function() {
      var backingStorePixelRatio, devicePixelRatio, height, prevDisplayScale, width;
      prevDisplayScale = this.displayScale;
      if (this.options.highDpiSupport === false) {
        delete this.displayScale;
      } else {
        devicePixelRatio = window.devicePixelRatio || 1;
        backingStorePixelRatio = this.ctx.webkitBackingStorePixelRatio || this.ctx.mozBackingStorePixelRatio || this.ctx.msBackingStorePixelRatio || this.ctx.oBackingStorePixelRatio || this.ctx.backingStorePixelRatio || 1;
        this.displayScale = devicePixelRatio / backingStorePixelRatio;
      }
      if (this.displayScale !== prevDisplayScale) {
        width = this.canvas.G__width || this.canvas.width;
        height = this.canvas.G__height || this.canvas.height;
        this.canvas.width = width * this.displayScale;
        this.canvas.height = height * this.displayScale;
        this.canvas.style.width = width + "px";
        this.canvas.style.height = height + "px";
        this.canvas.G__width = width;
        this.canvas.G__height = height;
      }
      return this;
    };

BaseGauge.prototype.parseValue = function(value) {
      value = parseFloat(value) || Number(value);
      if (isFinite(value)) {
        return value;
      } else {
        return 0;
      }
    };

return BaseGauge;

})(ValueUpdater);

TextRenderer = (function() {
    function TextRenderer(el, fractionDigits1) {
      this.el = el;
      this.fractionDigits = fractionDigits1;
    }

TextRenderer.prototype.render = function(gauge) {
      return this.el.innerHTML = formatNumber(gauge.displayedValue, this.fractionDigits);
    };

return TextRenderer;

})();

AnimatedText = (function(superClass) {
    extend(AnimatedText, superClass);

AnimatedText.prototype.displayedValue = 0;

AnimatedText.prototype.value = 0;

AnimatedText.prototype.setVal = function(value) {
      return this.value = 1 * value;
    };

AnimatedText.prototype.render = function() {
      var textVal;
      if (this.text) {
        textVal = secondsToString(this.displayedValue.toFixed(0));
      } else {
        textVal = addCommas(formatNumber(this.displayedValue));
      }
      return this.elem.innerHTML = textVal;
    };

return AnimatedText;

})(ValueUpdater);

AnimatedTextFactory = {
    create: function(objList) {
      var elem, j, len, out;
      out = [];
      for (j = 0, len = objList.length; j < len; j++) {
        elem = objList[j];
        out.push(new AnimatedText(elem));
      }
      return out;
    }
  };

GaugePointer = (function(superClass) {
    extend(GaugePointer, superClass);

GaugePointer.prototype.displayedValue = 0;

GaugePointer.prototype.value = 0;

GaugePointer.prototype.options = {
      strokeWidth: 0.035,
      length: 0.1,
      color: "#000000",
      iconPath: null,
      iconScale: 1.0,
      iconAngle: 0
    };

GaugePointer.prototype.img = null;

function GaugePointer(gauge1) {
      this.gauge = gauge1;
      if (this.gauge === void 0) {
        throw new Error('The element isn\'t defined.');
      }
      this.ctx = this.gauge.ctx;
      this.canvas = this.gauge.canvas;
      GaugePointer.__super__.constructor.call(this, false, false);
      this.setOptions();
    }

GaugePointer.prototype.setOptions = function(options) {
      if (options == null) {
        options = null;
      }
      this.options = mergeObjects(this.options, options);
      this.length = 2 * this.gauge.radius * this.gauge.options.radiusScale * this.options.length;
      this.strokeWidth = this.canvas.height * this.options.strokeWidth;
      this.maxValue = this.gauge.maxValue;
      this.minValue = this.gauge.minValue;
      this.animationSpeed = this.gauge.animationSpeed;
      this.options.angle = this.gauge.options.angle;
      if (this.options.iconPath) {
        this.img = new Image();
        return this.img.src = this.options.iconPath;
      }
    };

GaugePointer.prototype.render = function() {
      var angle, endX, endY, imgX, imgY, startX, startY, x, y;
      angle = this.gauge.getAngle.call(this, this.displayedValue);
      x = Math.round(this.length * Math.cos(angle));
      y = Math.round(this.length * Math.sin(angle));
      startX = Math.round(this.strokeWidth * Math.cos(angle - Math.PI / 2));
      startY = Math.round(this.strokeWidth * Math.sin(angle - Math.PI / 2));
      endX = Math.round(this.strokeWidth * Math.cos(angle + Math.PI / 2));
      endY = Math.round(this.strokeWidth * Math.sin(angle + Math.PI / 2));
      this.ctx.beginPath();
      this.ctx.fillStyle = this.options.color;
      this.ctx.arc(0, 0, this.strokeWidth, 0, Math.PI * 2, false);
      this.ctx.fill();
      this.ctx.beginPath();
      this.ctx.moveTo(startX, startY);
      this.ctx.lineTo(x, y);
      this.ctx.lineTo(endX, endY);
      this.ctx.fill();
      if (this.img) {
        imgX = Math.round(this.img.width * this.options.iconScale);
        imgY = Math.round(this.img.height * this.options.iconScale);
        this.ctx.save();
        this.ctx.translate(x, y);
        this.ctx.rotate(angle + Math.PI / 180.0 * (90 + this.options.iconAngle));
        this.ctx.drawImage(this.img, -imgX / 2, -imgY / 2, imgX, imgY);
        return this.ctx.restore();
      }
    };

return GaugePointer;

})(ValueUpdater);

Bar = (function() {
    function Bar(elem1) {
      this.elem = elem1;
    }

Bar.prototype.updateValues = function(arrValues) {
      this.value = arrValues[0];
      this.maxValue = arrValues[1];
      this.avgValue = arrValues[2];
      return this.render();
    };

Bar.prototype.render = function() {
      var avgPercent, valPercent;
      if (this.textField) {
        this.textField.text(formatNumber(this.value));
      }
      if (this.maxValue === 0) {
        this.maxValue = this.avgValue * 2;
      }
      valPercent = (this.value / this.maxValue) * 100;
      avgPercent = (this.avgValue / this.maxValue) * 100;
      $(".bar-value", this.elem).css({
        "width": valPercent + "%"
      });
      return $(".typical-value", this.elem).css({
        "width": avgPercent + "%"
      });
    };

return Bar;

})();

Gauge = (function(superClass) {
    extend(Gauge, superClass);

Gauge.prototype.elem = null;

Gauge.prototype.value = [20];

Gauge.prototype.maxValue = 80;

Gauge.prototype.minValue = 0;

Gauge.prototype.displayedAngle = 0;

Gauge.prototype.displayedValue = 0;

Gauge.prototype.lineWidth = 40;

Gauge.prototype.paddingTop = 0.1;

Gauge.prototype.paddingBottom = 0.1;

Gauge.prototype.percentColors = null;

Gauge.prototype.options = {
      colorStart: "#6fadcf",
      colorStop: void 0,
      gradientType: 0,
      strokeColor: "#e0e0e0",
      pointer: {
        length: 0.8,
        strokeWidth: 0.035,
        iconScale: 1.0
      },
      angle: 0.15,
      lineWidth: 0.44,
      radiusScale: 1.0,
      fontSize: 40,
      limitMax: false,
      limitMin: false
    };

function Gauge(canvas) {
      var h, w;
      this.canvas = canvas;
      Gauge.__super__.constructor.call(this);
      this.percentColors = null;
      if (typeof G_vmlCanvasManager !== 'undefined') {
        this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
      }
      this.ctx = this.canvas.getContext('2d');
      h = this.canvas.clientHeight;
      w = this.canvas.clientWidth;
      this.canvas.height = h;
      this.canvas.width = w;
      this.gp = [new GaugePointer(this)];
      this.setOptions();
    }

Gauge.prototype.setOptions = function(options) {
      var gauge, j, len, phi, ref;
      if (options == null) {
        options = null;
      }
      Gauge.__super__.setOptions.call(this, options);
      this.configPercentColors();
      this.extraPadding = 0;
      if (this.options.angle < 0) {
        phi = Math.PI * (1 + this.options.angle);
        this.extraPadding = Math.sin(phi);
      }
      this.availableHeight = this.canvas.height * (1 - this.paddingTop - this.paddingBottom);
      this.lineWidth = this.availableHeight * this.options.lineWidth;
      this.radius = (this.availableHeight - this.lineWidth / 2) / (1.0 + this.extraPadding);
      this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
      ref = this.gp;
      for (j = 0, len = ref.length; j < len; j++) {
        gauge = ref[j];
        gauge.setOptions(this.options.pointer);
        gauge.render();
      }
      this.render();
      return this;
    };

Gauge.prototype.configPercentColors = function() {
      var bval, gval, i, j, ref, results, rval;
      this.percentColors = null;
      if (this.options.percentColors !== void 0) {
        this.percentColors = new Array();
        results = [];
        for (i = j = 0, ref = this.options.percentColors.length - 1; 0 <= ref ? j <= ref : j >= ref; i = 0 <= ref ? ++j : --j) {
          rval = parseInt((cutHex(this.options.percentColors[i][1])).substring(0, 2), 16);
          gval = parseInt((cutHex(this.options.percentColors[i][1])).substring(2, 4), 16);
          bval = parseInt((cutHex(this.options.percentColors[i][1])).substring(4, 6), 16);
          results.push(this.percentColors[i] = {
            pct: this.options.percentColors[i][0],
            color: {
              r: rval,
              g: gval,
              b: bval
            }
          });
        }
        return results;
      }
    };

Gauge.prototype.set = function(value) {
      var gp, i, j, k, l, len, ref, ref1, val;
      if (!(value instanceof Array)) {
        value = [value];
      }
      for (i = j = 0, ref = value.length - 1; 0 <= ref ? j <= ref : j >= ref; i = 0 <= ref ? ++j : --j) {
        value[i] = this.parseValue(value[i]);
      }
      if (value.length > this.gp.length) {
        for (i = k = 0, ref1 = value.length - this.gp.length; 0 <= ref1 ? k < ref1 : k > ref1; i = 0 <= ref1 ? ++k : --k) {
          gp = new GaugePointer(this);
          gp.setOptions(this.options.pointer);
          this.gp.push(gp);
        }
      } else if (value.length < this.gp.length) {
        this.gp = this.gp.slice(this.gp.length - value.length);
      }
      i = 0;
      for (l = 0, len = value.length; l < len; l++) {
        val = value[l];
        if (val > this.maxValue) {
          if (this.options.limitMax) {
            val = this.maxValue;
          } else {
            this.maxValue = val + 1;
          }
        } else if (val < this.minValue) {
          if (this.options.limitMin) {
            val = this.minValue;
          } else {
            this.minValue = val - 1;
          }
        }
        this.gp[i].value = val;
        this.gp[i++].setOptions({
          minValue: this.minValue,
          maxValue: this.maxValue,
          angle: this.options.angle
        });
      }
      this.value = Math.max(Math.min(value[value.length - 1], this.maxValue), this.minValue);
      AnimationUpdater.run(this.forceUpdate);
      return this.forceUpdate = false;
    };

Gauge.prototype.getAngle = function(value) {
      return (1 + this.options.angle) * Math.PI + ((value - this.minValue) / (this.maxValue - this.minValue)) * (1 - this.options.angle * 2) * Math.PI;
    };

Gauge.prototype.getColorForPercentage = function(pct, grad) {
      var color, endColor, i, j, rangePct, ref, startColor;
      if (pct === 0) {
        color = this.percentColors[0].color;
      } else {
        color = this.percentColors[this.percentColors.length - 1].color;
        for (i = j = 0, ref = this.percentColors.length - 1; 0 <= ref ? j <= ref : j >= ref; i = 0 <= ref ? ++j : --j) {
          if (pct <= this.percentColors[i].pct) {
            if (grad === true) {
              startColor = this.percentColors[i - 1] || this.percentColors[0];
              endColor = this.percentColors[i];
              rangePct = (pct - startColor.pct) / (endColor.pct - startColor.pct);
              color = {
                r: Math.floor(startColor.color.r * (1 - rangePct) + endColor.color.r * rangePct),
                g: Math.floor(startColor.color.g * (1 - rangePct) + endColor.color.g * rangePct),
                b: Math.floor(startColor.color.b * (1 - rangePct) + endColor.color.b * rangePct)
              };
            } else {
              color = this.percentColors[i].color;
            }
            break;
          }
        }
      }
      return 'rgb(' + [color.r, color.g, color.b].join(',') + ')';
    };

Gauge.prototype.getColorForValue = function(val, grad) {
      var pct;
      pct = (val - this.minValue) / (this.maxValue - this.minValue);
      return this.getColorForPercentage(pct, grad);
    };

Gauge.prototype.renderStaticLabels = function(staticLabels, w, h, radius) {
      var font, fontsize, j, len, match, re, ref, rest, rotationAngle, value;
      this.ctx.save();
      this.ctx.translate(w, h);
      font = staticLabels.font || "10px Times";
      re = /\d+\.?\d?/;
      match = font.match(re)[0];
      rest = font.slice(match.length);
      fontsize = parseFloat(match) * this.displayScale;
      this.ctx.font = fontsize + rest;
      this.ctx.fillStyle = staticLabels.color || "#000000";
      this.ctx.textBaseline = "bottom";
      this.ctx.textAlign = "center";
      ref = staticLabels.labels;
      for (j = 0, len = ref.length; j < len; j++) {
        value = ref[j];
        if (value.label !== void 0) {
          if ((!this.options.limitMin || value >= this.minValue) && (!this.options.limitMax || value <= this.maxValue)) {
            font = value.font || staticLabels.font;
            match = font.match(re)[0];
            rest = font.slice(match.length);
            fontsize = parseFloat(match) * this.displayScale;
            this.ctx.font = fontsize + rest;
            rotationAngle = this.getAngle(value.label) - 3 * Math.PI / 2;
            this.ctx.rotate(rotationAngle);
            this.ctx.fillText(formatNumber(value.label, staticLabels.fractionDigits), 0, -radius - this.lineWidth / 2);
            this.ctx.rotate(-rotationAngle);
          }
        } else {
          if ((!this.options.limitMin || value >= this.minValue) && (!this.options.limitMax || value <= this.maxValue)) {
            rotationAngle = this.getAngle(value) - 3 * Math.PI / 2;
            this.ctx.rotate(rotationAngle);
            this.ctx.fillText(formatNumber(value, staticLabels.fractionDigits), 0, -radius - this.lineWidth / 2);
            this.ctx.rotate(-rotationAngle);
          }
        }
      }
      return this.ctx.restore();
    };

Gauge.prototype.renderTicks = function(ticksOptions, w, h, radius) {
      var currentDivision, currentSubDivision, divColor, divLength, divWidth, divisionCount, j, lineWidth, range, rangeDivisions, ref, results, scaleMutate, st, subColor, subDivisions, subLength, subWidth, subdivisionCount, t, tmpRadius;
      if (ticksOptions !== {}) {
        divisionCount = ticksOptions.divisions || 0;
        subdivisionCount = ticksOptions.subDivisions || 0;
        divColor = ticksOptions.divColor || '#fff';
        subColor = ticksOptions.subColor || '#fff';
        divLength = ticksOptions.divLength || 0.7;
        subLength = ticksOptions.subLength || 0.2;
        range = parseFloat(this.maxValue) - parseFloat(this.minValue);
        rangeDivisions = parseFloat(range) / parseFloat(ticksOptions.divisions);
        subDivisions = parseFloat(rangeDivisions) / parseFloat(ticksOptions.subDivisions);
        currentDivision = parseFloat(this.minValue);
        currentSubDivision = 0.0 + subDivisions;
        lineWidth = range / 400;
        divWidth = lineWidth * (ticksOptions.divWidth || 1);
        subWidth = lineWidth * (ticksOptions.subWidth || 1);
        results = [];
        for (t = j = 0, ref = divisionCount + 1; j < ref; t = j += 1) {
          this.ctx.lineWidth = this.lineWidth * divLength;
          scaleMutate = (this.lineWidth / 2) * (1 - divLength);
          tmpRadius = (this.radius * this.options.radiusScale) + scaleMutate;
          this.ctx.strokeStyle = divColor;
          this.ctx.beginPath();
          this.ctx.arc(0, 0, tmpRadius, this.getAngle(currentDivision - divWidth), this.getAngle(currentDivision + divWidth), false);
          this.ctx.stroke();
          currentSubDivision = currentDivision + subDivisions;
          currentDivision += rangeDivisions;
          if (t !== ticksOptions.divisions && subdivisionCount > 0) {
            results.push((function() {
              var k, ref1, results1;
              results1 = [];
              for (st = k = 0, ref1 = subdivisionCount - 1; k < ref1; st = k += 1) {
                this.ctx.lineWidth = this.lineWidth * subLength;
                scaleMutate = (this.lineWidth / 2) * (1 - subLength);
                tmpRadius = (this.radius * this.options.radiusScale) + scaleMutate;
                this.ctx.strokeStyle = subColor;
                this.ctx.beginPath();
                this.ctx.arc(0, 0, tmpRadius, this.getAngle(currentSubDivision - subWidth), this.getAngle(currentSubDivision + subWidth), false);
                this.ctx.stroke();
                results1.push(currentSubDivision += subDivisions);
              }
              return results1;
            }).call(this));
          } else {
            results.push(void 0);
          }
        }
        return results;
      }
    };

Gauge.prototype.render = function() {
      var displayedAngle, fillStyle, gauge, h, j, k, len, len1, max, min, radius, ref, ref1, scaleMutate, tmpRadius, w, zone;
      w = this.canvas.width / 2;
      h = (this.canvas.height * this.paddingTop + this.availableHeight) - ((this.radius + this.lineWidth / 2) * this.extraPadding);
      displayedAngle = this.getAngle(this.displayedValue);
      if (this.textField) {
        this.textField.render(this);
      }
      this.ctx.lineCap = "butt";
      radius = this.radius * this.options.radiusScale;
      if (this.options.staticLabels) {
        this.renderStaticLabels(this.options.staticLabels, w, h, radius);
      }
      if (this.options.staticZones) {
        this.ctx.save();
        this.ctx.translate(w, h);
        this.ctx.lineWidth = this.lineWidth;
        ref = this.options.staticZones;
        for (j = 0, len = ref.length; j < len; j++) {
          zone = ref[j];
          min = zone.min;
          if (this.options.limitMin && min < this.minValue) {
            min = this.minValue;
          }
          max = zone.max;
          if (this.options.limitMax && max > this.maxValue) {
            max = this.maxValue;
          }
          tmpRadius = this.radius * this.options.radiusScale;
          if (zone.height) {
            this.ctx.lineWidth = this.lineWidth * zone.height;
            scaleMutate = (this.lineWidth / 2) * (zone.offset || 1 - zone.height);
            tmpRadius = (this.radius * this.options.radiusScale) + scaleMutate;
          }
          this.ctx.strokeStyle = zone.strokeStyle;
          this.ctx.beginPath();
          this.ctx.arc(0, 0, tmpRadius, this.getAngle(min), this.getAngle(max), false);
          this.ctx.stroke();
        }
      } else {
        if (this.options.customFillStyle !== void 0) {
          fillStyle = this.options.customFillStyle(this);
        } else if (this.percentColors !== null) {
          fillStyle = this.getColorForValue(this.displayedValue, this.options.generateGradient);
        } else if (this.options.colorStop !== void 0) {
          if (this.options.gradientType === 0) {
            fillStyle = this.ctx.createRadialGradient(w, h, 9, w, h, 70);
          } else {
            fillStyle = this.ctx.createLinearGradient(0, 0, w, 0);
          }
          fillStyle.addColorStop(0, this.options.colorStart);
          fillStyle.addColorStop(1, this.options.colorStop);
        } else {
          fillStyle = this.options.colorStart;
        }
        this.ctx.strokeStyle = fillStyle;
        this.ctx.beginPath();
        this.ctx.arc(w, h, radius, (1 + this.options.angle) * Math.PI, displayedAngle, false);
        this.ctx.lineWidth = this.lineWidth;
        this.ctx.stroke();
        this.ctx.strokeStyle = this.options.strokeColor;
        this.ctx.beginPath();
        this.ctx.arc(w, h, radius, displayedAngle, (2 - this.options.angle) * Math.PI, false);
        this.ctx.stroke();
        this.ctx.save();
        this.ctx.translate(w, h);
      }
      if (this.options.renderTicks) {
        this.renderTicks(this.options.renderTicks, w, h, radius);
      }
      this.ctx.restore();
      this.ctx.translate(w, h);
      ref1 = this.gp;
      for (k = 0, len1 = ref1.length; k < len1; k++) {
        gauge = ref1[k];
        gauge.update(true);
      }
      return this.ctx.translate(-w, -h);
    };

return Gauge;

})(BaseGauge);

BaseDonut = (function(superClass) {
    extend(BaseDonut, superClass);

BaseDonut.prototype.lineWidth = 15;

BaseDonut.prototype.displayedValue = 0;

BaseDonut.prototype.value = 33;

BaseDonut.prototype.maxValue = 80;

BaseDonut.prototype.minValue = 0;

BaseDonut.prototype.options = {
      lineWidth: 0.10,
      colorStart: "#6f6ea0",
      colorStop: "#c0c0db",
      strokeColor: "#eeeeee",
      shadowColor: "#d5d5d5",
      angle: 0.35,
      radiusScale: 1.0
    };

function BaseDonut(canvas) {
      this.canvas = canvas;
      BaseDonut.__super__.constructor.call(this);
      if (typeof G_vmlCanvasManager !== 'undefined') {
        this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
      }
      this.ctx = this.canvas.getContext('2d');
      this.setOptions();
      this.render();
    }

BaseDonut.prototype.getAngle = function(value) {
      return (1 - this.options.angle) * Math.PI + ((value - this.minValue) / (this.maxValue - this.minValue)) * ((2 + this.options.angle) - (1 - this.options.angle)) * Math.PI;
    };

BaseDonut.prototype.setOptions = function(options) {
      if (options == null) {
        options = null;
      }
      BaseDonut.__super__.setOptions.call(this, options);
      this.lineWidth = this.canvas.height * this.options.lineWidth;
      this.radius = this.options.radiusScale * (this.canvas.height / 2 - this.lineWidth / 2);
      return this;
    };

BaseDonut.prototype.set = function(value) {
      this.value = this.parseValue(value);
      if (this.value > this.maxValue) {
        if (this.options.limitMax) {
          this.value = this.maxValue;
        } else {
          this.maxValue = this.value;
        }
      } else if (this.value < this.minValue) {
        if (this.options.limitMin) {
          this.value = this.minValue;
        } else {
          this.minValue = this.value;
        }
      }
      AnimationUpdater.run(this.forceUpdate);
      return this.forceUpdate = false;
    };

BaseDonut.prototype.render = function() {
      var displayedAngle, grdFill, h, start, stop, w;
      displayedAngle = this.getAngle(this.displayedValue);
      w = this.canvas.width / 2;
      h = this.canvas.height / 2;
      if (this.textField) {
        this.textField.render(this);
      }
      grdFill = this.ctx.createRadialGradient(w, h, 39, w, h, 70);
      grdFill.addColorStop(0, this.options.colorStart);
      grdFill.addColorStop(1, this.options.colorStop);
      start = this.radius - this.lineWidth / 2;
      stop = this.radius + this.lineWidth / 2;
      this.ctx.strokeStyle = this.options.strokeColor;
      this.ctx.beginPath();
      this.ctx.arc(w, h, this.radius, (1 - this.options.angle) * Math.PI, (2 + this.options.angle) * Math.PI, false);
      this.ctx.lineWidth = this.lineWidth;
      this.ctx.lineCap = "round";
      this.ctx.stroke();
      this.ctx.strokeStyle = grdFill;
      this.ctx.beginPath();
      this.ctx.arc(w, h, this.radius, (1 - this.options.angle) * Math.PI, displayedAngle, false);
      return this.ctx.stroke();
    };

return BaseDonut;

})(BaseGauge);

Donut = (function(superClass) {
    extend(Donut, superClass);

function Donut() {
      return Donut.__super__.constructor.apply(this, arguments);
    }

Donut.prototype.strokeGradient = function(w, h, start, stop) {
      var grd;
      grd = this.ctx.createRadialGradient(w, h, start, w, h, stop);
      grd.addColorStop(0, this.options.shadowColor);
      grd.addColorStop(0.12, this.options._orgStrokeColor);
      grd.addColorStop(0.88, this.options._orgStrokeColor);
      grd.addColorStop(1, this.options.shadowColor);
      return grd;
    };

Donut.prototype.setOptions = function(options) {
      var h, start, stop, w;
      if (options == null) {
        options = null;
      }
      Donut.__super__.setOptions.call(this, options);
      w = this.canvas.width / 2;
      h = this.canvas.height / 2;
      start = this.radius - this.lineWidth / 2;
      stop = this.radius + this.lineWidth / 2;
      this.options._orgStrokeColor = this.options.strokeColor;
      this.options.strokeColor = this.strokeGradient(w, h, start, stop);
      return this;
    };

return Donut;

})(BaseDonut);

if (typeof window.define === 'function' && (window.define.amd != null)) {
    define(function() {
      return {
        Gauge: Gauge,
        Donut: Donut,
        BaseDonut: BaseDonut,
        TextRenderer: TextRenderer
      };
    });
  } else if (typeof module !== 'undefined' && (module.exports != null)) {
    module.exports = {
      Gauge: Gauge,
      Donut: Donut,
      BaseDonut: BaseDonut,
      TextRenderer: TextRenderer
    };
  } else {
    window.Gauge = Gauge;
    window.Donut = Donut;
    window.BaseDonut = BaseDonut;
    window.TextRenderer = TextRenderer;
  }

}).call(this);

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