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1891059977b55a50e1fc937f84f3202631e12b3a
rough/docs/builds/rough.js
Preet 778cf3f79b .
2017-02-14 00:13:48 -08:00

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'use strict';
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var RoughSegmentRelation = {
LEFT: 0,
RIGHT: 1,
INTERSECTS: 2,
AHEAD: 3,
BEHIND: 4,
SEPARATE: 5,
UNDEFINED: 6
};
var RoughSegment = function () {
function RoughSegment(px1, py1, px2, py2) {
_classCallCheck(this, RoughSegment);
this.px1 = px1;
this.py1 = py1;
this.px2 = px2;
this.py2 = py2;
this.xi = Number.MAX_VALUE;
this.yi = Number.MAX_VALUE;
this.a = py2 - py1;
this.b = px1 - px2;
this.c = px2 * py1 - px1 * py2;
this._undefined = this.a == 0 && this.b == 0 && this.c == 0;
}
_createClass(RoughSegment, [{
key: 'isUndefined',
value: function isUndefined() {
return this._undefined;
}
}, {
key: 'compare',
value: function compare(otherSegment) {
if (this.isUndefined() || otherSegment.isUndefined()) {
return RoughSegmentRelation.UNDEFINED;
}
var grad1 = Number.MAX_VALUE;
var grad2 = Number.MAX_VALUE;
var int1 = 0,
int2 = 0;
var a = this.a,
b = this.b,
c = this.c;
if (Math.abs(b) > 0.00001) {
grad1 = -a / b;
int1 = -c / b;
}
if (Math.abs(otherSegment.b) > 0.00001) {
grad2 = -otherSegment.a / otherSegment.b;
int2 = -otherSegment.c / otherSegment.b;
}
if (grad1 == Number.MAX_VALUE) {
if (grad2 == Number.MAX_VALUE) {
if (-c / a != -otherSegment.c / otherSegment.a) {
return RoughSegmentRelation.SEPARATE;
}
if (this.py1 >= Math.min(otherSegment.py1, otherSegment.py2) && this.py1 <= Math.max(otherSegment.py1, otherSegment.py2)) {
this.xi = this.px1;
this.yi = this.py1;
return RoughSegmentRelation.INTERSECTS;
}
if (this.py2 >= Math.min(otherSegment.py1, otherSegment.py2) && this.py2 <= Math.max(otherSegment.py1, otherSegment.py2)) {
this.xi = this.px2;
this.yi = this.py2;
return RoughSegmentRelation.INTERSECTS;
}
return RoughSegmentRelation.SEPARATE;
}
this.xi = this.px1;
this.yi = grad2 * this.xi + int2;
if ((this.py1 - this.yi) * (this.yi - this.py2) < -0.00001 || (otherSegment.py1 - this.yi) * (this.yi - otherSegment.py2) < -0.00001) {
return RoughSegmentRelation.SEPARATE;
}
if (Math.abs(otherSegment.a) < 0.00001) {
if ((otherSegment.px1 - this.xi) * (this.xi - otherSegment.px2) < -0.00001) {
return RoughSegmentRelation.SEPARATE;
}
return RoughSegmentRelation.INTERSECTS;
}
return RoughSegmentRelation.INTERSECTS;
}
if (grad2 == Number.MAX_VALUE) {
this.xi = otherSegment.px1;
this.yi = grad1 * this.xi + int1;
if ((otherSegment.py1 - this.yi) * (this.yi - otherSegment.py2) < -0.00001 || (this.py1 - this.yi) * (this.yi - this.py2) < -0.00001) {
return RoughSegmentRelation.SEPARATE;
}
if (Math.abs(a) < 0.00001) {
if ((this.px1 - this.xi) * (this.xi - this.px2) < -0.00001) {
return RoughSegmentRelation.SEPARATE;
}
return RoughSegmentRelation.INTERSECTS;
}
return RoughSegmentRelation.INTERSECTS;
}
if (grad1 == grad2) {
if (int1 != int2) {
return RoughSegmentRelation.SEPARATE;
}
if (this.px1 >= Math.min(otherSegment.px1, otherSegment.px2) && this.px1 <= Math.max(otherSegment.py1, otherSegment.py2)) {
this.xi = this.px1;
this.yi = this.py1;
return RoughSegmentRelation.INTERSECTS;
}
if (this.px2 >= Math.min(otherSegment.px1, otherSegment.px2) && this.px2 <= Math.max(otherSegment.px1, otherSegment.px2)) {
this.xi = this.px2;
this.yi = this.py2;
return RoughSegmentRelation.INTERSECTS;
}
return RoughSegmentRelation.SEPARATE;
}
this.xi = (int2 - int1) / (grad1 - grad2);
this.yi = grad1 * this.xi + int1;
if ((this.px1 - this.xi) * (this.xi - this.px2) < -0.00001 || (otherSegment.px1 - this.xi) * (this.xi - otherSegment.px2) < -0.00001) {
return RoughSegmentRelation.SEPARATE;
}
return RoughSegmentRelation.INTERSECTS;
}
}, {
key: 'getLength',
value: function getLength() {
return this._getLength(this.px1, this.py1, this.px2, this.py2);
}
}, {
key: '_getLength',
value: function _getLength(x1, y1, x2, y2) {
var dx = x2 - x1;
var dy = y2 - y1;
return Math.sqrt(dx * dx + dy * dy);
}
}]);
return RoughSegment;
}();
var RoughHachureIterator = function () {
function RoughHachureIterator(top, bottom, left, right, gap, sinAngle, cosAngle, tanAngle) {
_classCallCheck(this, RoughHachureIterator);
this.top = top;
this.bottom = bottom;
this.left = left;
this.right = right;
this.gap = gap;
this.sinAngle = sinAngle;
this.tanAngle = tanAngle;
if (Math.abs(sinAngle) < 0.0001) {
this.pos = left + gap;
} else if (Math.abs(sinAngle) > 0.9999) {
this.pos = top + gap;
} else {
this.deltaX = (bottom - top) * Math.abs(tanAngle);
this.pos = left - Math.abs(this.deltaX);
this.hGap = Math.abs(gap / cosAngle);
this.sLeft = new RoughSegment(left, bottom, left, top);
this.sRight = new RoughSegment(right, bottom, right, top);
}
}
_createClass(RoughHachureIterator, [{
key: 'getNextLine',
value: function getNextLine() {
if (Math.abs(this.sinAngle) < 0.0001) {
if (this.pos < this.right) {
var line = [this.pos, this.top, this.pos, this.bottom];
this.pos += this.gap;
return line;
}
} else if (Math.abs(this.sinAngle) > 0.9999) {
if (this.pos < this.bottom) {
var _line = [this.left, this.pos, this.right, this.pos];
this.pos += this.gap;
return _line;
}
} else {
var xLower = this.pos - this.deltaX / 2;
var xUpper = this.pos + this.deltaX / 2;
var yLower = this.bottom;
var yUpper = this.top;
if (this.pos < this.right + this.deltaX) {
while (xLower < this.left && xUpper < this.left || xLower > this.right && xUpper > this.right) {
this.pos += this.hGap;
xLower = this.pos - this.deltaX / 2;
xUpper = this.pos + this.deltaX / 2;
if (this.pos > this.right + this.deltaX) {
return null;
}
}
var s = new RoughSegment(xLower, yLower, xUpper, yUpper);
if (s.compare(this.sLeft) == RoughSegmentRelation.INTERSECTS) {
xLower = s.xi;
yLower = s.yi;
}
if (s.compare(this.sRight) == RoughSegmentRelation.INTERSECTS) {
xUpper = s.xi;
yUpper = s.yi;
}
if (this.tanAngle > 0) {
xLower = this.right - (xLower - this.left);
xUpper = this.right - (xUpper - this.left);
}
var _line2 = [xLower, yLower, xUpper, yUpper];
this.pos += this.hGap;
return _line2;
}
}
return null;
}
}]);
return RoughHachureIterator;
}();
var RoughDrawable = function () {
function RoughDrawable(propertyNames) {
_classCallCheck(this, RoughDrawable);
this._fields = {};
this._dirty = false;
this._canvas = null;
this.z = 0;
this._roughness = null;
this._bowing = null;
this._stroke = null;
this._strokeWidth = null;
this._fill = null;
this._fillStyle = null;
this._fillWeight = null;
this._hachureAngle = null;
this._hachureGap = null;
this._maxRandomnessOffset = null;
this._curveTightness = 0;
if (propertyNames) {
for (var i = 0; i < propertyNames.length; i++) {
this._defineRenderProperty(propertyNames[i]);
}
}
}
_createClass(RoughDrawable, [{
key: '_defineRenderProperty',
value: function _defineRenderProperty(name) {
Object.defineProperty(this, name, {
get: function get() {
return this._get(name);
},
set: function set(value) {
this._set(name, value);
}
});
}
}, {
key: 'attach',
value: function attach(canvas, z) {
this.attached = true;
this._canvas = canvas;
this.z = z;
}
}, {
key: 'detach',
value: function detach() {
this.attached = false;
this.z = 0;
}
}, {
key: 'remove',
value: function remove() {
if (this.attached && this._canvas) {
this._canvas.remove(this);
}
}
}, {
key: '_get',
value: function _get(name) {
if (this._fields[name]) {
return this._fields[name];
}
return null;
}
}, {
key: '_set',
value: function _set(name, value) {
var markDirty = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
this._fields[name] = value;
if (markDirty) {
this._dirty = true;
if (this._canvas) {
this._canvas.requestDraw();
}
}
}
}, {
key: 'draw',
value: function draw(context) {
console.log("Draw not implemented.", context);
}
}, {
key: 'getOffset',
value: function getOffset(min, max) {
return this.roughness * (Math.random() * (max - min) + min);
}
}, {
key: 'drawLine',
value: function drawLine(ctx, x1, y1, x2, y2, existingPath) {
var lengthSq = Math.pow(x1 - x2, 2) + Math.pow(x1 - x2, 2);
var offset = this.maxRandomnessOffset || 0;
if (offset * offset * 100 > lengthSq) {
offset = Math.sqrt(lengthSq) / 10;
}
var halfOffset = offset / 2;
var divergePoint = 0.2 + Math.random() * 0.2;
// Midpoint displacement value to give slightly bowed lines.
var midDispX = this.bowing * this.maxRandomnessOffset * (y2 - y1) / 200;
var midDispY = this.bowing * this.maxRandomnessOffset * (x1 - x2) / 200;
midDispX = this.getOffset(-midDispX, midDispX);
midDispY = this.getOffset(-midDispY, midDispY);
if (!existingPath) {
ctx.beginPath();
}
ctx.moveTo(x1 + this.getOffset(-offset, offset), y1 + this.getOffset(-offset, offset));
ctx.bezierCurveTo(midDispX + x1 + (x2 - x1) * divergePoint + this.getOffset(-offset, offset), midDispY + y1 + (y2 - y1) * divergePoint + this.getOffset(-offset, offset), midDispX + x1 + 2 * (x2 - x1) * divergePoint + this.getOffset(-offset, offset), midDispY + y1 + 2 * (y2 - y1) * divergePoint + this.getOffset(-offset, offset), x2 + this.getOffset(-offset, offset), y2 + this.getOffset(-offset, offset));
if (!existingPath) {
ctx.stroke();
}
if (!existingPath) {
ctx.beginPath();
}
ctx.moveTo(x1 + this.getOffset(-halfOffset, halfOffset), y1 + this.getOffset(-halfOffset, halfOffset));
ctx.bezierCurveTo(midDispX + x1 + (x2 - x1) * divergePoint + this.getOffset(-halfOffset, halfOffset), midDispY + y1 + (y2 - y1) * divergePoint + this.getOffset(-halfOffset, halfOffset), midDispX + x1 + 2 * (x2 - x1) * divergePoint + this.getOffset(-halfOffset, halfOffset), midDispY + y1 + 2 * (y2 - y1) * divergePoint + this.getOffset(-halfOffset, halfOffset), x2 + this.getOffset(-halfOffset, halfOffset), y2 + this.getOffset(-halfOffset, halfOffset));
if (!existingPath) {
ctx.stroke();
}
}
}, {
key: 'drawLinearPath',
value: function drawLinearPath(ctx, points, close) {
var len = points.length;
if (len > 2) {
ctx.beginPath();
for (var i = 0; i < len - 1; i++) {
this.drawLine(ctx, points[i][0], points[i][1], points[i + 1][0], points[i + 1][1], true);
}
if (close) {
this.drawLine(ctx, points[len - 1][0], points[len - 1][1], points[0][0], points[0][1], true);
}
ctx.stroke();
} else if (len == 2) {
this.drawLine(ctx, points[0][0], points[0][1], points[1][0], points[1][1]);
}
}
}, {
key: 'drawCurve',
value: function drawCurve(ctx, vertArray, existingPath, closeToCenter, center) {
var vertArrayLength = vertArray.length;
var i;
if (vertArrayLength > 3) {
var b = [];
var s = 1 - this.curveTightness;
if (!existingPath) {
ctx.beginPath();
}
ctx.moveTo(vertArray[1][0], vertArray[1][1]);
for (i = 1; i + 2 < vertArrayLength; i++) {
var cachedVertArray = vertArray[i];
b[0] = [cachedVertArray[0], cachedVertArray[1]];
b[1] = [cachedVertArray[0] + (s * vertArray[i + 1][0] - s * vertArray[i - 1][0]) / 6, cachedVertArray[1] + (s * vertArray[i + 1][1] - s * vertArray[i - 1][1]) / 6];
b[2] = [vertArray[i + 1][0] + (s * vertArray[i][0] - s * vertArray[i + 2][0]) / 6, vertArray[i + 1][1] + (s * vertArray[i][1] - s * vertArray[i + 2][1]) / 6];
b[3] = [vertArray[i + 1][0], vertArray[i + 1][1]];
ctx.bezierCurveTo(b[1][0], b[1][1], b[2][0], b[2][1], b[3][0], b[3][1]);
}
if (closeToCenter && center && center.length == 2) {
var ro = this.maxRandomnessOffset || 0;
ctx.lineTo(center[0] + this.getOffset(-ro, ro), center[1] + this.getOffset(-ro, ro));
}
if (!existingPath) {
ctx.stroke();
}
} else if (vertArrayLength == 3) {
this.drawBezier(ctx, vertArray[0][0], vertArray[0][1], vertArray[1][0], vertArray[1][1], vertArray[2][0], vertArray[2][1], vertArray[2][0], vertArray[2][1], existingPath);
} else if (vertArrayLength == 2) {
this.drawLine(ctx, vertArray[0][0], vertArray[0][1], vertArray[1][0], vertArray[1][1], existingPath);
}
}
}, {
key: 'drawBezier',
value: function drawBezier(ctx, x1, y1, x2, y2, x3, y3, x4, y4, existingPath) {
if (!existingPath) {
ctx.beginPath();
}
ctx.moveTo(x1, y1);
var ro = this.maxRandomnessOffset || 0;
ctx.moveTo(x1 + this.getOffset(-ro, ro), y1 + this.getOffset(-ro, ro));
this._drawBezierTo(ctx, x2, y2, x3, y3, x4, y4);
if (!existingPath) {
ctx.stroke();
}
}
}, {
key: '_drawBezierTo',
value: function _drawBezierTo(ctx, x1, y1, x2, y2, x, y) {
var ro = this.maxRandomnessOffset || 0;
var final = [x + this.getOffset(-ro, ro), y + this.getOffset(-ro, ro)];
ctx.bezierCurveTo(x1 + this.getOffset(-ro, ro), y1 + this.getOffset(-ro, ro), x2 + this.getOffset(-ro, ro), y2 + this.getOffset(-ro, ro), final[0], final[1]);
return final;
}
}, {
key: '_drawQuadTo',
value: function _drawQuadTo(ctx, x1, y1, x, y) {
var ro = this.maxRandomnessOffset || 0;
var final = [x + this.getOffset(-ro, ro), y + this.getOffset(-ro, ro)];
ctx.quadraticCurveTo(x1 + this.getOffset(-ro, ro), y1 + this.getOffset(-ro, ro), final[0], final[1]);
return final;
}
// fill
}, {
key: 'getIntersectingLines',
value: function getIntersectingLines(lineCoords, xCoords, yCoords) {
var intersections = [];
var s1 = new RoughSegment(lineCoords[0], lineCoords[1], lineCoords[2], lineCoords[3]);
for (var i = 0; i < xCoords.length; i++) {
var s2 = new RoughSegment(xCoords[i], yCoords[i], xCoords[(i + 1) % xCoords.length], yCoords[(i + 1) % xCoords.length]);
if (s1.compare(s2) == RoughSegmentRelation.INTERSECTS) {
intersections.push([s1.xi, s1.yi]);
}
}
return intersections;
}
}, {
key: 'hachureFillShape',
value: function hachureFillShape(ctx, xCoords, yCoords) {
if (xCoords && yCoords && xCoords.length && yCoords.length) {
var left = xCoords[0];
var right = xCoords[0];
var top = yCoords[0];
var bottom = yCoords[0];
for (var i = 1; i < xCoords.length; i++) {
left = Math.min(left, xCoords[i]);
right = Math.max(right, xCoords[i]);
top = Math.min(top, yCoords[i]);
bottom = Math.max(bottom, yCoords[i]);
}
var angle = this.hachureAngle;
var gap = this.hachureGap;
if (gap < 0) {
gap = this.strokeWidth * 4;
}
gap = Math.max(gap, 0.1);
var fweight = this.fillWeight;
if (fweight < 0) {
fweight = this.strokeWidth / 2;
}
var radPerDeg = Math.PI / 180;
var hachureAngle = angle % 180 * radPerDeg;
var cosAngle = Math.cos(hachureAngle);
var sinAngle = Math.sin(hachureAngle);
var tanAngle = Math.tan(hachureAngle);
ctx.save();
ctx.strokeStyle = this.fill;
ctx.lineWidth = fweight;
var it = new RoughHachureIterator(top - 1, bottom + 1, left - 1, right + 1, gap, sinAngle, cosAngle, tanAngle);
var rectCoords;
while ((rectCoords = it.getNextLine()) != null) {
var lines = this.getIntersectingLines(rectCoords, xCoords, yCoords);
for (var _i = 0; _i < lines.length; _i++) {
if (_i < lines.length - 1) {
var p1 = lines[_i];
var p2 = lines[_i + 1];
this.drawLine(ctx, p1[0], p1[1], p2[0], p2[1]);
}
}
}
ctx.restore();
}
}
}, {
key: 'dirty',
get: function get() {
return this._dirty;
}
}, {
key: 'roughness',
set: function set(value) {
this._roughness = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._roughness === 'number') {
if (this._roughness >= 0) {
return this._roughness;
}
}
if (this._canvas) {
return this._canvas.roughness;
}
return this._roughness;
}
}, {
key: 'bowing',
set: function set(value) {
this._bowing = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._bowing === 'number') {
if (this._bowing >= 0) {
return this._bowing;
}
}
if (this._canvas) {
return this._canvas.bowing;
}
return this._bowing;
}
}, {
key: 'stroke',
set: function set(value) {
this._stroke = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._stroke === 'string') {
if (this._stroke) {
return this._stroke;
}
}
if (this._canvas) {
return this._canvas.stroke;
}
return this._stroke;
}
}, {
key: 'strokeWidth',
set: function set(value) {
this._strokeWidth = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._strokeWidth === 'number') {
if (this._strokeWidth >= 0) {
return this._strokeWidth;
}
}
if (this._canvas) {
return this._canvas.strokeWidth;
}
return this._strokeWidth;
}
}, {
key: 'maxRandomnessOffset',
set: function set(value) {
this._maxRandomnessOffset = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._maxRandomnessOffset === 'number') {
if (this._maxRandomnessOffset >= 0) {
return this._maxRandomnessOffset;
}
}
if (this._canvas) {
return this._canvas.maxRandomnessOffset;
}
return this._maxRandomnessOffset;
}
}, {
key: 'curveTightness',
set: function set(value) {
this._curveTightness = Math.max(Math.min(value, 1), 0);
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._curveTightness === 'number') {
if (this._curveTightness >= 0) {
return this._curveTightness;
}
}
if (this._canvas) {
return this._canvas.curveTightness || 0;
}
return this._curveTightness;
}
}, {
key: 'fill',
set: function set(value) {
this._fill = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._fill === 'string') {
if (this._fill) {
return this._fill;
}
}
if (this._canvas) {
return this._canvas.fill;
}
return this._fill;
}
}, {
key: 'fillStyle',
set: function set(value) {
this._fillStyle = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._fillStyle === 'string') {
if (this._fillStyle) {
return this._fillStyle;
}
}
if (this._canvas) {
return this._canvas.fillStyle;
}
return this._fillStyle;
}
}, {
key: 'fillWeight',
set: function set(value) {
this._fillWeight = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._fillWeight === 'number') {
if (this._fillWeight) {
return this._fillWeight;
}
}
if (this._canvas) {
return this._canvas.fillWeight;
}
return this._fillWeight;
}
}, {
key: 'hachureAngle',
set: function set(value) {
this._hachureAngle = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._hachureAngle === 'number') {
if (this._hachureAngle >= 0) {
return this._hachureAngle;
}
}
if (this._canvas) {
return this._canvas.hachureAngle;
}
return this._hachureAngle;
}
}, {
key: 'hachureGap',
set: function set(value) {
this._hachureGap = value;
if (this._canvas) {
this._canvas.requestDraw();
}
},
get: function get() {
if (typeof this._hachureGap === 'number') {
if (this._hachureGap >= 0) {
return this._hachureGap;
}
}
if (this._canvas) {
return this._canvas.hachureGap;
}
return this._hachureGap;
}
}]);
return RoughDrawable;
}();
var RoughArc = function (_RoughDrawable) {
_inherits(RoughArc, _RoughDrawable);
function RoughArc(x, y, width, height, start, stop, closed) {
_classCallCheck(this, RoughArc);
var _this = _possibleConstructorReturn(this, (RoughArc.__proto__ || Object.getPrototypeOf(RoughArc)).call(this, ['x', 'y', 'width', 'height', 'start', 'stop', 'numSteps', 'closed']));
_this.x = x;
_this.y = y;
_this.width = width;
_this.height = height || width;
_this.start = start;
_this.stop = stop;
_this.numSteps = 9;
_this.closed = closed ? true : false;
return _this;
}
_createClass(RoughArc, [{
key: 'draw',
value: function draw(ctx) {
var cx = this.x;
var cy = this.y;
var rx = Math.abs(this.width / 2);
var ry = Math.abs(this.height / 2);
rx += this.getOffset(-rx * 0.01, rx * 0.01);
ry += this.getOffset(-ry * 0.01, ry * 0.01);
var strt = this.start;
var stp = this.stop;
while (strt < 0) {
strt += Math.PI * 2;
stp += Math.PI * 2;
}
if (stp - strt > Math.PI * 2) {
strt = 0;
stp = Math.PI * 2;
}
var ellipseInc = Math.PI * 2 / this.numSteps;
var arcInc = Math.min(ellipseInc / 2, (stp - strt) / 2);
var points = [];
points.push([cx + rx * Math.cos(strt), cy + ry * Math.sin(strt)]);
for (var theta = strt; theta <= stp; theta += arcInc) {
points.push([cx + rx * Math.cos(theta), cy + ry * Math.sin(theta)]);
}
points.push([cx + rx * Math.cos(stp), cy + ry * Math.sin(stp)]);
points.push([cx + rx * Math.cos(stp), cy + ry * Math.sin(stp)]);
if (this.fill && this.closed) {
this._doFill(ctx, points, [cx, cy]);
}
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
this.drawCurve(ctx, points);
if (this.closed) {
var lindex = points.length - 1;
this.drawLine(ctx, points[0][0], points[0][1], cx, cy);
this.drawLine(ctx, points[lindex][0], points[lindex][1], cx, cy);
}
ctx.restore();
}
}, {
key: '_doFill',
value: function _doFill(ctx, points, center) {
var fillStyle = this.fillStyle || "hachure";
switch (fillStyle) {
case "solid":
{
ctx.save();
ctx.fillStyle = this.fill;
ctx.beginPath();
this.drawCurve(ctx, points, true, true, center);
ctx.fill();
ctx.restore();
break;
}
default:
{
var cx = this.x;
var cy = this.y;
var strt = this.start;
var stp = this.stop;
var rx = Math.abs(this.width / 2);
var ry = Math.abs(this.height / 2);
while (strt < 0) {
strt += Math.PI * 2;
stp += Math.PI * 2;
}
if (stp - strt > Math.PI * 2) {
strt = 0;
stp = Math.PI * 2;
}
var arcInc = (stp - strt) / this.numSteps;
var vertices = [];
vertices.push([cx, cy]);
vertices.push([cx + rx * Math.cos(strt), cy + ry * Math.sin(strt)]);
for (var theta = strt; theta <= stp; theta += arcInc) {
vertices.push([cx + rx * Math.cos(theta), cy + ry * Math.sin(theta)]);
}
vertices.push([cx + rx * Math.cos(stp), cy + ry * Math.sin(stp)]);
var xc = [];
var yc = [];
vertices.forEach(function (p) {
xc.push(p[0]);
yc.push(p[1]);
});
this.hachureFillShape(ctx, xc, yc);
break;
}
}
}
}]);
return RoughArc;
}(RoughDrawable);
var RoughEllipse = function (_RoughDrawable2) {
_inherits(RoughEllipse, _RoughDrawable2);
function RoughEllipse(x, y, width, height) {
_classCallCheck(this, RoughEllipse);
var _this2 = _possibleConstructorReturn(this, (RoughEllipse.__proto__ || Object.getPrototypeOf(RoughEllipse)).call(this, ['x', 'y', 'width', 'height', 'numSteps']));
_this2.x = x;
_this2.y = y;
_this2.width = width;
_this2.height = height || width;
_this2.numSteps = 9;
return _this2;
}
_createClass(RoughEllipse, [{
key: 'draw',
value: function draw(ctx) {
this.ellipseInc = Math.PI * 2 / this.numSteps;
var rx = Math.abs(this.width / 2);
var ry = Math.abs(this.height / 2);
rx += this.getOffset(-rx * 0.05, rx * 0.05);
ry += this.getOffset(-ry * 0.05, ry * 0.05);
if (this.fill) {
this._doFill(ctx, rx, ry);
}
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
this._ellipse(ctx, this.x, this.y, rx, ry, 1, this.ellipseInc * this.getOffset(0.1, this.getOffset(0.4, 1)));
this._ellipse(ctx, this.x, this.y, rx, ry, 1.5, 0);
ctx.restore();
}
}, {
key: '_ellipse',
value: function _ellipse(ctx, cx, cy, rx, ry, offset, overlap, existingPath) {
var radOffset = this.getOffset(-0.5, 0.5) - Math.PI / 2;
var points = [];
points.push([this.getOffset(-offset, offset) + cx + 0.9 * rx * Math.cos(radOffset - this.ellipseInc), this.getOffset(-offset, offset) + cy + 0.9 * ry * Math.sin(radOffset - this.ellipseInc)]);
for (var angle = radOffset; angle < Math.PI * 2 + radOffset - 0.01; angle = angle + this.ellipseInc) {
points.push([this.getOffset(-offset, offset) + cx + rx * Math.cos(angle), this.getOffset(-offset, offset) + cy + ry * Math.sin(angle)]);
}
points.push([this.getOffset(-offset, offset) + cx + rx * Math.cos(radOffset + Math.PI * 2 + overlap * 0.5), this.getOffset(-offset, offset) + cy + ry * Math.sin(radOffset + Math.PI * 2 + overlap * 0.5)]);
points.push([this.getOffset(-offset, offset) + cx + 0.98 * rx * Math.cos(radOffset + overlap), this.getOffset(-offset, offset) + cy + 0.98 * ry * Math.sin(radOffset + overlap)]);
points.push([this.getOffset(-offset, offset) + cx + 0.9 * rx * Math.cos(radOffset + overlap * 0.5), this.getOffset(-offset, offset) + cy + 0.9 * ry * Math.sin(radOffset + overlap * 0.5)]);
this.drawCurve(ctx, points, existingPath);
}
}, {
key: '_doFill',
value: function _doFill(ctx, rx, ry) {
var fillStyle = this.fillStyle || "hachure";
switch (fillStyle) {
case "solid":
{
ctx.save();
ctx.fillStyle = this.fill;
ctx.strokeStyle = null;
ctx.beginPath();
this._ellipse(ctx, this.x, this.y, rx, ry, 1, this.ellipseInc * this.getOffset(0.1, this.getOffset(0.4, 1)), true);
ctx.fill();
ctx.restore();
break;
}
default:
{
var angle = this.hachureAngle;
var gap = this.hachureGap;
if (gap <= 0) {
gap = this.strokeWidth * 4;
}
var fweight = this.fillWeight;
if (fweight < 0) {
fweight = this.strokeWidth / 2;
}
var radPerDeg = Math.PI / 180;
var hachureAngle = angle % 180 * radPerDeg;
var tanAngle = Math.tan(hachureAngle);
var cx = this.x,
cy = this.y;
var aspectRatio = ry / rx;
var hyp = Math.sqrt(aspectRatio * tanAngle * aspectRatio * tanAngle + 1);
var sinAnglePrime = aspectRatio * tanAngle / hyp;
var cosAnglePrime = 1 / hyp;
var gapPrime = gap / (rx * ry / Math.sqrt(ry * cosAnglePrime * (ry * cosAnglePrime) + rx * sinAnglePrime * (rx * sinAnglePrime)) / rx);
var halfLen = Math.sqrt(rx * rx - (cx - rx + gapPrime) * (cx - rx + gapPrime));
ctx.save();
ctx.strokeStyle = this.fill;
ctx.lineWidth = fweight;
for (var xPos = cx - rx + gapPrime; xPos < cx + rx; xPos += gapPrime) {
halfLen = Math.sqrt(rx * rx - (cx - xPos) * (cx - xPos));
var p1 = this.affine(xPos, cy - halfLen, cx, cy, sinAnglePrime, cosAnglePrime, aspectRatio);
var p2 = this.affine(xPos, cy + halfLen, cx, cy, sinAnglePrime, cosAnglePrime, aspectRatio);
this.drawLine(ctx, p1[0], p1[1], p2[0], p2[1]);
}
ctx.restore();
break;
}
}
}
}, {
key: 'affine',
value: function affine(x, y, cx, cy, sinAnglePrime, cosAnglePrime, R) {
var A = -cx * cosAnglePrime - cy * sinAnglePrime + cx;
var B = R * (cx * sinAnglePrime - cy * cosAnglePrime) + cy;
var C = cosAnglePrime;
var D = sinAnglePrime;
var E = -R * sinAnglePrime;
var F = R * cosAnglePrime;
return [A + C * x + D * y, B + E * x + F * y];
}
}]);
return RoughEllipse;
}(RoughDrawable);
var RoughCircle = function (_RoughEllipse) {
_inherits(RoughCircle, _RoughEllipse);
function RoughCircle(x, y, radius) {
_classCallCheck(this, RoughCircle);
return _possibleConstructorReturn(this, (RoughCircle.__proto__ || Object.getPrototypeOf(RoughCircle)).call(this, x, y, radius * 2));
}
_createClass(RoughCircle, [{
key: 'radius',
get: function get() {
return this.width / 2;
},
set: function set(value) {
this.width = value * 2;
this.height = value * 2;
}
}]);
return RoughCircle;
}(RoughEllipse);
var RoughCurve = function (_RoughDrawable3) {
_inherits(RoughCurve, _RoughDrawable3);
function RoughCurve(points) {
_classCallCheck(this, RoughCurve);
var _this4 = _possibleConstructorReturn(this, (RoughCurve.__proto__ || Object.getPrototypeOf(RoughCurve)).call(this));
_this4._points = points;
return _this4;
}
_createClass(RoughCurve, [{
key: 'setPoint',
value: function setPoint(index, x, y) {
this._points[index] = [x, y];
if (this._canvas) {
this._canvas.requestDraw();
}
}
}, {
key: 'getPoint',
value: function getPoint(index) {
if (index > 0 && index < this._points.length) {
return this._points[index];
}
return null;
}
}, {
key: 'draw',
value: function draw(ctx) {
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
var o = this.maxRandomnessOffset || 0;
var p1 = [];
var p2 = [];
p1.push(this._points[0]);
p1.push(this._points[0]);
var px = [this._points[0][0] + this.getOffset(-o, o), this._points[0][1] + this.getOffset(-o, o)];
p2.push(px);
p2.push(px);
var lastIndex = this._points.length - 1;
for (var i = 1; i < lastIndex; i++) {
p1.push(this._points[i]);
if (i % 3 == 0) {
p2.push([this._points[i][0] + this.getOffset(-o, o), this._points[i][1] + this.getOffset(-o, o)]);
} else {
p2.push(this._points[i]);
}
}
p1.push(this._points[lastIndex]);
p1.push(this._points[lastIndex]);
var px2 = [this._points[lastIndex][0] + this.getOffset(-o, o), this._points[lastIndex][1] + this.getOffset(-o, o)];
p2.push(px2);
p2.push(px2);
this.drawCurve(ctx, p1);
this.drawCurve(ctx, p2);
ctx.restore();
}
}]);
return RoughCurve;
}(RoughDrawable);
var RoughLine = function (_RoughDrawable4) {
_inherits(RoughLine, _RoughDrawable4);
function RoughLine(x1, y1, x2, y2) {
_classCallCheck(this, RoughLine);
var _this5 = _possibleConstructorReturn(this, (RoughLine.__proto__ || Object.getPrototypeOf(RoughLine)).call(this, ['x1', 'y1', 'x2', 'y2']));
_this5.x1 = x1;
_this5.x2 = x2;
_this5.y1 = y1;
_this5.y2 = y2;
return _this5;
}
_createClass(RoughLine, [{
key: 'draw',
value: function draw(ctx) {
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
this.drawLine(ctx, this.x1, this.y1, this.x2, this.y2);
ctx.restore();
}
}]);
return RoughLine;
}(RoughDrawable);
var RoughLinearPath = function (_RoughDrawable5) {
_inherits(RoughLinearPath, _RoughDrawable5);
function RoughLinearPath(points) {
_classCallCheck(this, RoughLinearPath);
var _this6 = _possibleConstructorReturn(this, (RoughLinearPath.__proto__ || Object.getPrototypeOf(RoughLinearPath)).call(this));
_this6._points = points;
return _this6;
}
_createClass(RoughLinearPath, [{
key: 'setPoint',
value: function setPoint(index, x, y) {
this._points[index] = [x, y];
if (this._canvas) {
this._canvas.requestDraw();
}
}
}, {
key: 'getPoint',
value: function getPoint(index) {
if (index > 0 && index < this._points.length) {
return this._points[index];
}
return null;
}
}, {
key: 'draw',
value: function draw(ctx) {
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
this.drawLinearPath(ctx, this._points, false);
ctx.restore();
}
}]);
return RoughLinearPath;
}(RoughDrawable);
// Path parsing adapted from http://www.kevlindev.com/geometry/index.htm
function RoughGeomToken(type, text) {
if (arguments.length > 0) {
this.init(type, text);
}
}
RoughGeomToken.prototype.init = function (type, text) {
this.type = type;this.text = text;
};
RoughGeomToken.prototype.typeis = function (type) {
return this.type == type;
};
var RoughGeomPath = function () {
function RoughGeomPath(d) {
_classCallCheck(this, RoughGeomPath);
this.PARAMS = {
A: ["rx", "ry", "x-axis-rotation", "large-arc-flag", "sweep-flag", "x", "y"],
a: ["rx", "ry", "x-axis-rotation", "large-arc-flag", "sweep-flag", "x", "y"],
C: ["x1", "y1", "x2", "y2", "x", "y"],
c: ["x1", "y1", "x2", "y2", "x", "y"],
H: ["x"],
h: ["x"],
L: ["x", "y"],
l: ["x", "y"],
M: ["x", "y"],
m: ["x", "y"],
Q: ["x1", "y1", "x", "y"],
q: ["x1", "y1", "x", "y"],
S: ["x2", "y2", "x", "y"],
s: ["x2", "y2", "x", "y"],
T: ["x", "y"],
t: ["x", "y"],
V: ["y"],
v: ["y"],
Z: [],
z: []
};
this.COMMAND = 0;
this.NUMBER = 1;
this.EOD = 2;
this.segments = [];
this.d = d || "";
this.parseData(d);
}
_createClass(RoughGeomPath, [{
key: 'parseData',
value: function parseData(d) {
var tokens = this.tokenize(d);
var index = 0;
var token = tokens[index];
var mode = "BOD";
this.segments = new Array();
while (!token.typeis(this.EOD)) {
var param_length;
var params = new Array();
if (mode == "BOD") {
if (token.text == "M" || token.text == "m") {
index++;
param_length = this.PARAMS[token.text].length;
mode = token.text;
} else {
console.error("Path data must begin with a MoveTo command");
return;
}
} else {
if (token.typeis(this.NUMBER)) {
param_length = this.PARAMS[mode].length;
} else {
index++;
param_length = this.PARAMS[token.text].length;
mode = token.text;
}
}
if (index + param_length < tokens.length) {
for (var i = index; i < index + param_length; i++) {
var number = tokens[i];
if (number.typeis(this.NUMBER)) {
params[params.length] = number.text;
} else {
console.error("Parameter type is not a number: " + mode + "," + number.text);
return;
}
}
var segment;
if (this.PARAMS[mode]) {
segment = { key: mode, data: params };
} else {
console.error("Unsupported segment type: " + mode);
return;
}
this.segments.push(segment);
index += param_length;
token = tokens[index];
if (mode == "M") mode = "L";
if (mode == "m") mode = "l";
} else {
console.error("Path data ended before all parameters were found");
}
}
}
}, {
key: 'tokenize',
value: function tokenize(d) {
var tokens = new Array();
while (d != "") {
if (d.match(/^([ \t\r\n,]+)/)) {
d = d.substr(RegExp.$1.length);
} else if (d.match(/^([aAcChHlLmMqQsStTvVzZ])/)) {
tokens[tokens.length] = new RoughGeomToken(this.COMMAND, RegExp.$1);
d = d.substr(RegExp.$1.length);
} else if (d.match(/^(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)/)) {
tokens[tokens.length] = new RoughGeomToken(this.NUMBER, parseFloat(RegExp.$1));
d = d.substr(RegExp.$1.length);
} else {
console.error("Unrecognized segment command: " + d);
return null;
}
}
tokens[tokens.length] = new RoughGeomToken(this.EOD, null);
return tokens;
}
}]);
return RoughGeomPath;
}();
var RoughArcConverter = function () {
// Algorithm as described in https://www.w3.org/TR/SVG/implnote.html
// Code adapted from nsSVGPathDataParser.cpp in Mozilla
// https://hg.mozilla.org/mozilla-central/file/17156fbebbc8/content/svg/content/src/nsSVGPathDataParser.cpp#l887
function RoughArcConverter(from, to, radii, angle, largeArcFlag, sweepFlag) {
_classCallCheck(this, RoughArcConverter);
var radPerDeg = Math.PI / 180;
this._segIndex = 0;
this._numSegs = 0;
if (from[0] == to[0] && from[1] == to[1]) {
return;
}
this._rx = Math.abs(radii[0]);
this._ry = Math.abs(radii[1]);
this._sinPhi = Math.sin(angle * radPerDeg);
this._cosPhi = Math.cos(angle * radPerDeg);
var x1dash = this._cosPhi * (from[0] - to[0]) / 2.0 + this._sinPhi * (from[1] - to[1]) / 2.0;
var y1dash = -this._sinPhi * (from[0] - to[0]) / 2.0 + this._cosPhi * (from[1] - to[1]) / 2.0;
var root;
var numerator = this._rx * this._rx * this._ry * this._ry - this._rx * this._rx * y1dash * y1dash - this._ry * this._ry * x1dash * x1dash;
if (numerator < 0) {
var s = Math.sqrt(1 - numerator / (this._rx * this._rx * this._ry * this._ry));
this._rx = s;
this._ry = s;
root = 0;
} else {
root = (largeArcFlag == sweepFlag ? -1.0 : 1.0) * Math.sqrt(numerator / (this._rx * this._rx * y1dash * y1dash + this._ry * this._ry * x1dash * x1dash));
}
var cxdash = root * this._rx * y1dash / this._ry;
var cydash = -root * this._ry * x1dash / this._rx;
this._C = [0, 0];
this._C[0] = this._cosPhi * cxdash - this._sinPhi * cydash + (from[0] + to[0]) / 2.0;
this._C[1] = this._sinPhi * cxdash + this._cosPhi * cydash + (from[1] + to[1]) / 2.0;
this._theta = this.calculateVectorAngle(1.0, 0.0, (x1dash - cxdash) / this._rx, (y1dash - cydash) / this._ry);
var dtheta = this.calculateVectorAngle((x1dash - cxdash) / this._rx, (y1dash - cydash) / this._ry, (-x1dash - cxdash) / this._rx, (-y1dash - cydash) / this._ry);
if (!sweepFlag && dtheta > 0) {
dtheta -= 2 * Math.PI;
} else if (sweepFlag && dtheta < 0) {
dtheta += 2 * Math.PI;
}
this._numSegs = Math.ceil(Math.abs(dtheta / (Math.PI / 2)));
this._delta = dtheta / this._numSegs;
this._T = 8 / 3 * Math.sin(this._delta / 4) * Math.sin(this._delta / 4) / Math.sin(this._delta / 2);
this._from = from;
}
_createClass(RoughArcConverter, [{
key: 'getNextSegment',
value: function getNextSegment() {
var cp1, cp2, to;
if (this._segIndex == this._numSegs) {
return null;
}
var cosTheta1 = Math.cos(this._theta);
var sinTheta1 = Math.sin(this._theta);
var theta2 = this._theta + this._delta;
var cosTheta2 = Math.cos(theta2);
var sinTheta2 = Math.sin(theta2);
to = [this._cosPhi * this._rx * cosTheta2 - this._sinPhi * this._ry * sinTheta2 + this._C[0], this._sinPhi * this._rx * cosTheta2 + this._cosPhi * this._ry * sinTheta2 + this._C[1]];
cp1 = [this._from[0] + this._T * (-this._cosPhi * this._rx * sinTheta1 - this._sinPhi * this._ry * cosTheta1), this._from[1] + this._T * (-this._sinPhi * this._rx * sinTheta1 + this._cosPhi * this._ry * cosTheta1)];
cp2 = [to[0] + this._T * (this._cosPhi * this._rx * sinTheta2 + this._sinPhi * this._ry * cosTheta2), to[1] + this._T * (this._sinPhi * this._rx * sinTheta2 - this._cosPhi * this._ry * cosTheta2)];
this._theta = theta2;
this._from = [to[0], to[1]];
this._segIndex++;
return {
cp1: cp1,
cp2: cp2,
to: to
};
}
}, {
key: 'calculateVectorAngle',
value: function calculateVectorAngle(ux, uy, vx, vy) {
var ta = Math.atan2(uy, ux);
var tb = Math.atan2(vy, vx);
if (tb >= ta) return tb - ta;
return 2 * Math.PI - (ta - tb);
}
}]);
return RoughArcConverter;
}();
var RoughPath = function (_RoughDrawable6) {
_inherits(RoughPath, _RoughDrawable6);
function RoughPath(path) {
_classCallCheck(this, RoughPath);
var _this7 = _possibleConstructorReturn(this, (RoughPath.__proto__ || Object.getPrototypeOf(RoughPath)).call(this, ['path', 'numSteps']));
_this7.numSteps = 9;
_this7.path = path;
_this7._keys = ['C', 'c', 'Q', 'q', 'M', 'm', 'L', 'l', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't', 'Z', 'z'];
return _this7;
}
_createClass(RoughPath, [{
key: 'draw',
value: function draw(ctx) {
if (this.path) {
var path = (this.path || "").replace(/\n/g, " ").replace(/(-)/g, " -").replace(/(-\s)/g, "-").replace("/(\s\s)/g", " ");
this.gp = new RoughGeomPath(path);
var segments = this.gp.segments || [];
this._position = [0, 0];
this._bezierReflectionPoint = null;
this._quadReflectionPoint = null;
this._first = null;
if (this.fill) {
this._doFill(ctx, path);
}
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
ctx.beginPath();
for (var i = 0; i < segments.length; i++) {
var s = segments[i];
this._processSegment(ctx, s, i > 0 ? segments[i - 1] : null);
}
ctx.stroke();
ctx.restore();
}
}
}, {
key: '_doFill',
value: function _doFill(ctx, path) {
var fillStyle = this.fillStyle || "hachure";
switch (fillStyle) {
case "solid":
{
ctx.save();
ctx.fillStyle = this.fill;
var p2d = new Path2D(path);
ctx.fill(p2d);
ctx.restore();
break;
}
default:
{
var hc = this._canvas.getHiddenCanvas();
if (hc) {
var hctx = hc.getContext("2d");
var xc = [0, hc.width, hc.width, 0];
var yc = [0, 0, hc.height, hc.height];
this.hachureFillShape(hctx, xc, yc);
}
ctx.save();
ctx.fillStyle = ctx.createPattern(hc, 'repeat');
var _p2d = new Path2D(path);
ctx.fill(_p2d);
ctx.restore();
break;
}
}
}
}, {
key: '_processSegment',
value: function _processSegment(ctx, seg, prevSeg) {
switch (seg.key) {
case 'M':
case 'm':
this._moveTo(seg);
break;
case 'L':
case 'l':
this._lineTo(ctx, seg);
break;
case 'H':
case 'h':
this._hLineTo(ctx, seg);
break;
case 'V':
case 'v':
this._vLineTo(ctx, seg);
break;
case 'Z':
case 'z':
this._closeShape(ctx);
break;
case 'C':
case 'c':
this._curveTo(ctx, seg);
break;
case 'S':
case 's':
this._shortCurveTo(ctx, seg, prevSeg);
break;
case 'Q':
case 'q':
this._quadCurveTo(ctx, seg);
break;
case 'T':
case 't':
this._shortQuadTo(ctx, seg, prevSeg);
break;
case 'A':
case 'a':
this._arcTo(ctx, seg);
break;
default:
break;
}
}
}, {
key: '_setPosition',
value: function _setPosition(x, y) {
this._position = [x, y];
if (!this._first) {
this._first = [x, y];
}
}
}, {
key: '_moveTo',
value: function _moveTo(seg) {
var delta = seg.key === 'm';
if (seg.data.length >= 2) {
var x = +seg.data[0];
var y = +seg.data[1];
if (delta) {
this._setPosition(this._position[0] + x, this._position[1] + y);
} else {
this._setPosition(x, y);
}
}
}
}, {
key: '_closeShape',
value: function _closeShape(ctx) {
if (this._first) {
this.drawLine(ctx, this._position[0], this._position[1], this._first[0], this._first[1], true);
}
}
}, {
key: '_lineTo',
value: function _lineTo(ctx, seg) {
var delta = seg.key === 'l';
if (seg.data.length >= 2) {
var x = +seg.data[0];
var y = +seg.data[1];
if (delta) {
x += this._position[0];
y += this._position[1];
}
this.drawLine(ctx, this._position[0], this._position[1], x, y, true);
this._setPosition(x, y);
}
}
}, {
key: '_hLineTo',
value: function _hLineTo(ctx, seg) {
var delta = seg.key === 'h';
if (seg.data.length) {
var x = +seg.data[0];
if (delta) {
x += this._position[0];
}
this.drawLine(ctx, this._position[0], this._position[1], x, this._position[1], true);
this._setPosition(x, this._position[1]);
}
}
}, {
key: '_vLineTo',
value: function _vLineTo(ctx, seg) {
var delta = seg.key === 'v';
if (seg.data.length) {
var y = +seg.data[0];
if (delta) {
y += this._position[1];
}
this.drawLine(ctx, this._position[0], this._position[1], this._position[0], y, true);
this._setPosition(this._position[0], y);
}
}
}, {
key: '_quadCurveTo',
value: function _quadCurveTo(ctx, seg) {
var delta = seg.key === 'q';
if (seg.data.length >= 4) {
var x1 = +seg.data[0];
var y1 = +seg.data[1];
var x = +seg.data[2];
var y = +seg.data[3];
if (delta) {
x1 += this._position[0];
x += this._position[0];
y1 += this._position[1];
y += this._position[1];
}
var ro = this.maxRandomnessOffset || 0;
ctx.moveTo(this._position[0], this._position[1]);
this._drawQuadTo(ctx, x1, y1, x, y);
ctx.moveTo(this._position[0] + this.getOffset(-ro, ro), this._position[1] + this.getOffset(-ro, ro));
var final = this._drawQuadTo(ctx, x1, y1, x, y);
x = final[0];
y = final[1];
this._setPosition(x, y);
this._quadReflectionPoint = [x + (x - x1), y + (y - y1)];
}
}
}, {
key: '_curveTo',
value: function _curveTo(ctx, seg) {
var delta = seg.key === 'c';
if (seg.data.length >= 6) {
var x1 = +seg.data[0];
var y1 = +seg.data[1];
var x2 = +seg.data[2];
var y2 = +seg.data[3];
var x = +seg.data[4];
var y = +seg.data[5];
if (delta) {
x1 += this._position[0];
x2 += this._position[0];
x += this._position[0];
y1 += this._position[1];
y2 += this._position[1];
y += this._position[1];
}
var ro = this.maxRandomnessOffset || 0;
ctx.moveTo(this._position[0], this._position[1]);
this._drawBezierTo(ctx, x1, y1, x2, y2, x, y);
ctx.moveTo(this._position[0] + this.getOffset(-ro, ro), this._position[1] + this.getOffset(-ro, ro));
var final = this._drawBezierTo(ctx, x1, y1, x2, y2, x, y);
x = final[0];
y = final[1];
this._setPosition(x, y);
this._bezierReflectionPoint = [x + (x - x2), y + (y - y2)];
}
}
}, {
key: '_shortCurveTo',
value: function _shortCurveTo(ctx, seg, prevSeg) {
var delta = seg.key === 's';
if (seg.data.length >= 4) {
var x2 = +seg.data[0];
var y2 = +seg.data[1];
var x = +seg.data[2];
var y = +seg.data[3];
if (delta) {
x2 += this._position[0];
x += this._position[0];
y2 += this._position[1];
y += this._position[1];
}
var x1 = x2;
var y1 = y2;
var prevKey = prevSeg ? prevSeg.key : "";
var ref = null;
if (prevKey == 'c' || prevKey == 'C' || prevKey == 's' || prevKey == 'S') {
ref = this._bezierReflectionPoint;
}
if (ref) {
x1 = ref[0];
y1 = ref[1];
}
ctx.moveTo(this._position[0], this._position[1]);
this._drawBezierTo(ctx, x1, y1, x2, y2, x, y);
ctx.moveTo(this._position[0], this._position[1]);
var final = this._drawBezierTo(ctx, x1, y1, x2, y2, x, y);
x = final[0];
y = final[1];
this._setPosition(x, y);
this._bezierReflectionPoint = [x + (x - x2), y + (y - y2)];
}
}
}, {
key: '_shortQuadTo',
value: function _shortQuadTo(ctx, seg, prevSeg) {
var delta = seg.key === 't';
if (seg.data.length >= 2) {
var x = +seg.data[0];
var y = +seg.data[1];
if (delta) {
x += this._position[0];
y += this._position[1];
}
var x1 = x;
var y1 = y;
var prevKey = prevSeg ? prevSeg.key : "";
var ref = null;
if (prevKey == 'q' || prevKey == 'Q' || prevKey == 't' || prevKey == 'T') {
ref = this._quadReflectionPoint;
}
if (ref) {
x1 = ref[0];
y1 = ref[1];
}
ctx.moveTo(this._position[0], this._position[1]);
this._drawQuadTo(ctx, x1, y1, x, y);
ctx.moveTo(this._position[0], this._position[1]);
var final = this._drawQuadTo(ctx, x1, y1, x, y);
x = final[0];
y = final[1];
this._setPosition(x, y);
this._quadReflectionPoint = [x + (x - x1), y + (y - y1)];
}
}
}, {
key: '_arcTo',
value: function _arcTo(ctx, seg) {
var delta = seg.key === 'a';
if (seg.data.length >= 7) {
var rx = +seg.data[0];
var ry = +seg.data[1];
var angle = +seg.data[2];
var largeArcFlag = +seg.data[3];
var sweepFlag = +seg.data[4];
var x = +seg.data[5];
var y = +seg.data[6];
if (delta) {
x += this._position[0];
y += this._position[1];
}
if (x == this._position[0] && y == this._position[1]) {
return;
}
if (rx == 0 || ry == 0) {
this.drawLine(ctx, this._position[0], this._position[1], x, y, true);
this._setPosition(x, y);
} else {
var final;
for (var i = 0; i < 2; i++) {
ctx.moveTo(this._position[0], this._position[1]);
var arcConverter = new RoughArcConverter([this._position[0], this._position[1]], [x, y], [rx, ry], angle, largeArcFlag ? true : false, sweepFlag ? true : false);
var segment = arcConverter.getNextSegment();
while (segment) {
final = this._drawBezierTo(ctx, segment.cp1[0], segment.cp1[1], segment.cp2[0], segment.cp2[1], segment.to[0], segment.to[1]);
segment = arcConverter.getNextSegment();
}
}
if (final) {
x = final[0];
y = final[1];
}
this._setPosition(x, y);
}
}
}
}]);
return RoughPath;
}(RoughDrawable);
var RoughPolygon = function (_RoughDrawable7) {
_inherits(RoughPolygon, _RoughDrawable7);
function RoughPolygon(points) {
_classCallCheck(this, RoughPolygon);
var _this8 = _possibleConstructorReturn(this, (RoughPolygon.__proto__ || Object.getPrototypeOf(RoughPolygon)).call(this));
_this8._points = points;
return _this8;
}
_createClass(RoughPolygon, [{
key: 'setPoint',
value: function setPoint(index, x, y) {
this._points[index] = [x, y];
if (this._canvas) {
this._canvas.requestDraw();
}
}
}, {
key: 'getPoint',
value: function getPoint(index) {
if (index > 0 && index < this._points.length) {
return this._points[index];
}
return null;
}
}, {
key: 'draw',
value: function draw(ctx) {
if (this.fill) {
this._doFill(ctx, this._points);
}
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
this.drawLinearPath(ctx, this._points, true);
ctx.restore();
}
}, {
key: '_doFill',
value: function _doFill(ctx, points) {
var fillStyle = this.fillStyle || "hachure";
switch (fillStyle) {
case "solid":
{
ctx.save();
ctx.fillStyle = this.fill;
var o = this.maxRandomnessOffset || 0;
var len = points.length;
if (len > 2) {
ctx.beginPath();
ctx.moveTo(points[0][0] + this.getOffset(-o, o), points[0][1] + this.getOffset(-o, o));
for (var i = 1; i < len; i++) {
ctx.lineTo(points[i][0] + this.getOffset(-o, o), points[i][1] + this.getOffset(-o, o));
}
ctx.fill();
}
ctx.restore();
break;
}
default:
{
var xc = [];
var yc = [];
points.forEach(function (p) {
xc.push(p[0]);
yc.push(p[1]);
});
this.hachureFillShape(ctx, xc, yc);
break;
}
}
}
}]);
return RoughPolygon;
}(RoughDrawable);
var RoughRectangle = function (_RoughDrawable8) {
_inherits(RoughRectangle, _RoughDrawable8);
function RoughRectangle(x, y, width, height) {
_classCallCheck(this, RoughRectangle);
var _this9 = _possibleConstructorReturn(this, (RoughRectangle.__proto__ || Object.getPrototypeOf(RoughRectangle)).call(this, ['x', 'y', 'width', 'height']));
_this9.x = x;
_this9.y = y;
_this9.width = width;
_this9.height = height;
return _this9;
}
_createClass(RoughRectangle, [{
key: 'draw',
value: function draw(ctx) {
var left = this.x;
var right = this.x + this.width;
var top = this.y;
var bottom = this.y + this.height;
if (this.fill) {
this._doFill(ctx, left, right, top, bottom);
}
ctx.save();
ctx.strokeStyle = this.stroke;
ctx.lineWidth = this.strokeWidth;
this.drawLine(ctx, left, top, right, top);
this.drawLine(ctx, right, top, right, bottom);
this.drawLine(ctx, right, bottom, left, bottom);
this.drawLine(ctx, left, bottom, left, top);
ctx.restore();
}
}, {
key: '_doFill',
value: function _doFill(ctx, left, right, top, bottom) {
var fillStyle = this.fillStyle || "hachure";
switch (fillStyle) {
case "solid":
{
ctx.save();
ctx.fillStyle = this.fill;
var o = this.maxRandomnessOffset || 0;
var points = [[left + this.getOffset(-o, o), top + this.getOffset(-o, o)], [right + this.getOffset(-o, o), top + this.getOffset(-o, o)], [right + this.getOffset(-o, o), bottom + this.getOffset(-o, o)], [left + this.getOffset(-o, o), bottom + this.getOffset(-o, o)]];
ctx.beginPath();
ctx.moveTo(points[0][0], points[0][1]);
ctx.lineTo(points[1][0], points[1][1]);
ctx.lineTo(points[2][0], points[2][1]);
ctx.lineTo(points[3][0], points[3][1]);
ctx.fill();
ctx.restore();
break;
}
default:
{
var xc = [left, right, right, left];
var yc = [top, top, bottom, bottom];
this.hachureFillShape(ctx, xc, yc);
break;
}
}
}
}]);
return RoughRectangle;
}(RoughDrawable);
var RoughCanvas = function () {
function RoughCanvas(canvas, width, height) {
_classCallCheck(this, RoughCanvas);
this._canvas = canvas;
this.width = width || canvas.width;
this.height = height || canvas.height;
canvas.width = this.width;
canvas.height = this.height;
this._objects = [];
this._drawRequested = false;
this.roughness = 1;
this.bowing = 1;
this.stroke = "#000";
this.strokeWidth = 1;
this.fill = null;
this.fillStyle = "hachure";
this.fillWeight = -1;
this.hachureAngle = -41;
this.hachureGap = -1;
this.maxRandomnessOffset = 2;
}
_createClass(RoughCanvas, [{
key: 'add',
value: function add(drawable) {
if (drawable instanceof RoughDrawable) {
if (drawable.attached) {
return;
}
this._objects.push(drawable);
drawable.attach(this, this._objects.length - 1);
this.requestDraw();
} else {
console.warn("Ignoring canvas add - the object is not drawable", drawable);
}
}
}, {
key: 'remove',
value: function remove(drawable) {
if (drawable instanceof RoughDrawable) {
if (drawable.attached) {
this._objects.splice(drawable.z, 1);
drawable.detach();
this.requestDraw();
}
} else {
console.warn("Ignoring canvas remove - the object is not drawable", drawable);
}
}
}, {
key: 'clear',
value: function clear() {
if (this._objects && this._objects.length) {
this._objects.forEach(function (d) {
d.detach();
});
}
this._objects = [];
this.requestDraw();
}
}, {
key: 'requestDraw',
value: function requestDraw() {
var _this10 = this;
if (!this._drawRequested) {
this._drawRequested = true;
window.requestAnimationFrame(function () {
_this10._drawRequested = false;
_this10._draw();
});
}
}
}, {
key: '_draw',
value: function _draw() {
var ctx = this._canvas.getContext("2d");
ctx.clearRect(0, 0, this.width, this.height);
for (var i = 0; i < this._objects.length; i++) {
try {
this._objects[i].draw(ctx);
} catch (ex) {
console.error(ex);
}
}
}
}, {
key: 'getHiddenCanvas',
value: function getHiddenCanvas() {
if (!this._hiddenCanvas) {
var div = document.createElement("div");
div.setAttribute("id", "roughHiddenCanvas");
div.style.overflow = "hidden";
div.style.position = "absolute";
div.style.left = "-1px";
div.style.top = "-1px";
div.style.width = "0px";
div.style.height = "0px";
div.style.opacity = 0;
div.style.pointerEvents = "none";
document.body.appendChild(div);
this._hiddenCanvas = document.createElement("canvas");
div.appendChild(this._hiddenCanvas);
}
var hc = this._hiddenCanvas;
hc.width = this.width;
hc.height = this.height;
var ctx = hc.getContext("2d");
ctx.clearRect(0, 0, this.width, this.height);
return hc;
}
}, {
key: 'arc',
value: function arc(x, y, width, height, start, stop, closed) {
var d = new RoughArc(x, y, width, height, start, stop, closed);
this.add(d);
return d;
}
}, {
key: 'circle',
value: function circle(x, y, radius) {
var d = new RoughCircle(x, y, radius);
this.add(d);
return d;
}
}, {
key: 'ellipse',
value: function ellipse(x, y, width, height) {
var d = new RoughEllipse(x, y, width, height);
this.add(d);
return d;
}
}, {
key: 'curve',
value: function curve(points) {
var d = new RoughCurve(points);
this.add(d);
return d;
}
}, {
key: 'line',
value: function line(x1, y1, x2, y2) {
var d = new RoughLine(x1, y1, x2, y2);
this.add(d);
return d;
}
}, {
key: 'rectangle',
value: function rectangle(x, y, width, height) {
var d = new RoughRectangle(x, y, width, height);
this.add(d);
return d;
}
}, {
key: 'linearPath',
value: function linearPath(points) {
var d = new RoughLinearPath(points);
this.add(d);
return d;
}
}, {
key: 'polygon',
value: function polygon(points) {
var d = new RoughPolygon(points);
this.add(d);
return d;
}
}, {
key: 'path',
value: function path(d) {
var p = new RoughPath(d);
this.add(p);
return p;
}
}]);
return RoughCanvas;
}();
if (RoughCanvas) {
console.log();
}
//# sourceMappingURL=rough.js.map
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