svgedit/dist/jspdf.plugin.svgToPdf.js

884 lines
24 KiB
JavaScript

(function () {
'use strict';
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a 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);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
return true;
} catch (e) {
return false;
}
}
function _construct(Parent, args, Class) {
if (isNativeReflectConstruct()) {
_construct = Reflect.construct;
} else {
_construct = function _construct(Parent, args, Class) {
var a = [null];
a.push.apply(a, args);
var Constructor = Function.bind.apply(Parent, a);
var instance = new Constructor();
if (Class) _setPrototypeOf(instance, Class.prototype);
return instance;
};
}
return _construct.apply(null, arguments);
}
function _isNativeFunction(fn) {
return Function.toString.call(fn).indexOf("[native code]") !== -1;
}
function _wrapNativeSuper(Class) {
var _cache = typeof Map === "function" ? new Map() : undefined;
_wrapNativeSuper = function _wrapNativeSuper(Class) {
if (Class === null || !_isNativeFunction(Class)) return Class;
if (typeof Class !== "function") {
throw new TypeError("Super expression must either be null or a function");
}
if (typeof _cache !== "undefined") {
if (_cache.has(Class)) return _cache.get(Class);
_cache.set(Class, Wrapper);
}
function Wrapper() {
return _construct(Class, arguments, _getPrototypeOf(this).constructor);
}
Wrapper.prototype = Object.create(Class.prototype, {
constructor: {
value: Wrapper,
enumerable: false,
writable: true,
configurable: true
}
});
return _setPrototypeOf(Wrapper, Class);
};
return _wrapNativeSuper(Class);
}
function _slicedToArray(arr, i) {
return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
}
function _toConsumableArray(arr) {
return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
}
function _arrayWithoutHoles(arr) {
if (Array.isArray(arr)) {
for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
return arr2;
}
}
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
function _iterableToArray(iter) {
if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
}
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"] != null) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance");
}
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
function _wrapRegExp(re, groups) {
_wrapRegExp = function (re, groups) {
return new BabelRegExp(re, groups);
};
var _RegExp = _wrapNativeSuper(RegExp);
var _super = RegExp.prototype;
var _groups = new WeakMap();
function BabelRegExp(re, groups) {
var _this = _RegExp.call(this, re);
_groups.set(_this, groups);
return _this;
}
_inherits(BabelRegExp, _RegExp);
BabelRegExp.prototype.exec = function (str) {
var result = _super.exec.call(this, str);
if (result) result.groups = buildGroups(result, this);
return result;
};
BabelRegExp.prototype[Symbol.replace] = function (str, substitution) {
if (typeof substitution === "string") {
var groups = _groups.get(this);
return _super[Symbol.replace].call(this, str, substitution.replace(/\$<([^>]+)>/g, function (_, name) {
return "$" + groups[name];
}));
} else if (typeof substitution === "function") {
var _this = this;
return _super[Symbol.replace].call(this, str, function () {
var args = [];
args.push.apply(args, arguments);
if (typeof args[args.length - 1] !== "object") {
args.push(buildGroups(args, _this));
}
return substitution.apply(this, args);
});
} else {
return _super[Symbol.replace].call(this, str, substitution);
}
};
function buildGroups(result, re) {
var g = _groups.get(re);
return Object.keys(g).reduce(function (groups, name) {
groups[name] = result[g[name]];
return groups;
}, Object.create(null));
}
return _wrapRegExp.apply(this, arguments);
}
/**
* For parsing color values
* @module RGBColor
* @author Stoyan Stefanov <sstoo@gmail.com>
* @see https://www.phpied.com/rgb-color-parser-in-javascript/
* @license MIT
*/
var simpleColors = {
aliceblue: 'f0f8ff',
antiquewhite: 'faebd7',
aqua: '00ffff',
aquamarine: '7fffd4',
azure: 'f0ffff',
beige: 'f5f5dc',
bisque: 'ffe4c4',
black: '000000',
blanchedalmond: 'ffebcd',
blue: '0000ff',
blueviolet: '8a2be2',
brown: 'a52a2a',
burlywood: 'deb887',
cadetblue: '5f9ea0',
chartreuse: '7fff00',
chocolate: 'd2691e',
coral: 'ff7f50',
cornflowerblue: '6495ed',
cornsilk: 'fff8dc',
crimson: 'dc143c',
cyan: '00ffff',
darkblue: '00008b',
darkcyan: '008b8b',
darkgoldenrod: 'b8860b',
darkgray: 'a9a9a9',
darkgreen: '006400',
darkkhaki: 'bdb76b',
darkmagenta: '8b008b',
darkolivegreen: '556b2f',
darkorange: 'ff8c00',
darkorchid: '9932cc',
darkred: '8b0000',
darksalmon: 'e9967a',
darkseagreen: '8fbc8f',
darkslateblue: '483d8b',
darkslategray: '2f4f4f',
darkturquoise: '00ced1',
darkviolet: '9400d3',
deeppink: 'ff1493',
deepskyblue: '00bfff',
dimgray: '696969',
dodgerblue: '1e90ff',
feldspar: 'd19275',
firebrick: 'b22222',
floralwhite: 'fffaf0',
forestgreen: '228b22',
fuchsia: 'ff00ff',
gainsboro: 'dcdcdc',
ghostwhite: 'f8f8ff',
gold: 'ffd700',
goldenrod: 'daa520',
gray: '808080',
green: '008000',
greenyellow: 'adff2f',
honeydew: 'f0fff0',
hotpink: 'ff69b4',
indianred: 'cd5c5c',
indigo: '4b0082',
ivory: 'fffff0',
khaki: 'f0e68c',
lavender: 'e6e6fa',
lavenderblush: 'fff0f5',
lawngreen: '7cfc00',
lemonchiffon: 'fffacd',
lightblue: 'add8e6',
lightcoral: 'f08080',
lightcyan: 'e0ffff',
lightgoldenrodyellow: 'fafad2',
lightgrey: 'd3d3d3',
lightgreen: '90ee90',
lightpink: 'ffb6c1',
lightsalmon: 'ffa07a',
lightseagreen: '20b2aa',
lightskyblue: '87cefa',
lightslateblue: '8470ff',
lightslategray: '778899',
lightsteelblue: 'b0c4de',
lightyellow: 'ffffe0',
lime: '00ff00',
limegreen: '32cd32',
linen: 'faf0e6',
magenta: 'ff00ff',
maroon: '800000',
mediumaquamarine: '66cdaa',
mediumblue: '0000cd',
mediumorchid: 'ba55d3',
mediumpurple: '9370d8',
mediumseagreen: '3cb371',
mediumslateblue: '7b68ee',
mediumspringgreen: '00fa9a',
mediumturquoise: '48d1cc',
mediumvioletred: 'c71585',
midnightblue: '191970',
mintcream: 'f5fffa',
mistyrose: 'ffe4e1',
moccasin: 'ffe4b5',
navajowhite: 'ffdead',
navy: '000080',
oldlace: 'fdf5e6',
olive: '808000',
olivedrab: '6b8e23',
orange: 'ffa500',
orangered: 'ff4500',
orchid: 'da70d6',
palegoldenrod: 'eee8aa',
palegreen: '98fb98',
paleturquoise: 'afeeee',
palevioletred: 'd87093',
papayawhip: 'ffefd5',
peachpuff: 'ffdab9',
peru: 'cd853f',
pink: 'ffc0cb',
plum: 'dda0dd',
powderblue: 'b0e0e6',
purple: '800080',
red: 'ff0000',
rosybrown: 'bc8f8f',
royalblue: '4169e1',
saddlebrown: '8b4513',
salmon: 'fa8072',
sandybrown: 'f4a460',
seagreen: '2e8b57',
seashell: 'fff5ee',
sienna: 'a0522d',
silver: 'c0c0c0',
skyblue: '87ceeb',
slateblue: '6a5acd',
slategray: '708090',
snow: 'fffafa',
springgreen: '00ff7f',
steelblue: '4682b4',
tan: 'd2b48c',
teal: '008080',
thistle: 'd8bfd8',
tomato: 'ff6347',
turquoise: '40e0d0',
violet: 'ee82ee',
violetred: 'd02090',
wheat: 'f5deb3',
white: 'ffffff',
whitesmoke: 'f5f5f5',
yellow: 'ffff00',
yellowgreen: '9acd32'
}; // array of color definition objects
var colorDefs = [{
re: _wrapRegExp(/^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/, {
r: 1,
g: 2,
b: 3
}),
example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
process: function process(_) {
for (var _len = arguments.length, bits = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
bits[_key - 1] = arguments[_key];
}
return bits.map(function (b) {
return parseInt(b);
});
}
}, {
re: _wrapRegExp(/^(\w{2})(\w{2})(\w{2})$/, {
r: 1,
g: 2,
b: 3
}),
example: ['#00ff00', '336699'],
process: function process(_) {
for (var _len2 = arguments.length, bits = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
bits[_key2 - 1] = arguments[_key2];
}
return bits.map(function (b) {
return parseInt(b, 16);
});
}
}, {
re: _wrapRegExp(/^(\w{1})(\w{1})(\w{1})$/, {
r: 1,
g: 2,
b: 3
}),
example: ['#fb0', 'f0f'],
process: function process(_) {
for (var _len3 = arguments.length, bits = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
bits[_key3 - 1] = arguments[_key3];
}
return bits.map(function (b) {
return parseInt(b + b, 16);
});
}
}];
/**
* A class to parse color values.
*/
var RGBColor =
/*#__PURE__*/
function () {
/**
* @param {string} colorString
*/
function RGBColor(colorString) {
var _this = this;
_classCallCheck(this, RGBColor);
this.ok = false; // strip any leading #
if (colorString.charAt(0) === '#') {
// remove # if any
colorString = colorString.substr(1, 6);
}
colorString = colorString.replace(/ /g, '');
colorString = colorString.toLowerCase(); // before getting into regexps, try simple matches
// and overwrite the input
if (colorString in simpleColors) {
colorString = simpleColors[colorString];
} // end of simple type-in colors
// search through the definitions to find a match
colorDefs.forEach(function (_ref) {
var re = _ref.re,
processor = _ref.process;
var bits = re.exec(colorString);
if (bits) {
var _processor = processor.apply(void 0, _toConsumableArray(bits)),
_processor2 = _slicedToArray(_processor, 3),
r = _processor2[0],
g = _processor2[1],
b = _processor2[2];
Object.assign(_this, {
r: r,
g: g,
b: b
});
_this.ok = true;
}
}); // validate/cleanup values
this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
} // some getters
/**
* @returns {string}
*/
_createClass(RGBColor, [{
key: "toRGB",
value: function toRGB() {
return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
}
/**
* @returns {string}
*/
}, {
key: "toHex",
value: function toHex() {
var r = this.r.toString(16);
var g = this.g.toString(16);
var b = this.b.toString(16);
if (r.length === 1) {
r = '0' + r;
}
if (g.length === 1) {
g = '0' + g;
}
if (b.length === 1) {
b = '0' + b;
}
return '#' + r + g + b;
}
/**
* Offers a bulleted list of help.
* @returns {HTMLUListElement}
*/
}], [{
key: "getHelpXML",
value: function getHelpXML() {
var examples = [].concat(_toConsumableArray(colorDefs.flatMap(function (_ref2) {
var example = _ref2.example;
return example;
})), _toConsumableArray(Object.keys(simpleColors)));
var xml = document.createElement('ul');
xml.setAttribute('id', 'rgbcolor-examples');
xml.append.apply(xml, _toConsumableArray(examples.map(function (example) {
try {
var listItem = document.createElement('li');
var listColor = new RGBColor(example);
var exampleDiv = document.createElement('div');
exampleDiv.style.cssText = "\n margin: 3px;\n border: 1px solid black;\n background: ".concat(listColor.toHex(), ";\n color: ").concat(listColor.toHex(), ";");
exampleDiv.append('test');
var listItemValue = " ".concat(example, " -> ").concat(listColor.toRGB(), " -> ").concat(listColor.toHex());
listItem.append(exampleDiv, listItemValue);
return listItem;
} catch (e) {
return '';
}
})));
return xml;
}
}]);
return RGBColor;
}();
var jsPDFAPI = jsPDF.API;
var pdfSvgAttr = {
// allowed attributes. all others are removed from the preview.
g: ['stroke', 'fill', 'stroke-width'],
line: ['x1', 'y1', 'x2', 'y2', 'stroke', 'stroke-width'],
rect: ['x', 'y', 'width', 'height', 'stroke', 'fill', 'stroke-width'],
ellipse: ['cx', 'cy', 'rx', 'ry', 'stroke', 'fill', 'stroke-width'],
circle: ['cx', 'cy', 'r', 'stroke', 'fill', 'stroke-width'],
polygon: ['points', 'stroke', 'fill', 'stroke-width'],
// polyline attributes are the same as those of polygon
text: ['x', 'y', 'font-size', 'font-family', 'text-anchor', 'font-weight', 'font-style', 'fill']
};
var attributeIsNotEmpty = function attributeIsNotEmpty(node, attr) {
var attVal = attr ? node.getAttribute(attr) : node;
return attVal !== '' && attVal !== null;
};
var nodeIs = function nodeIs(node, possible) {
return possible.includes(node.tagName.toLowerCase());
};
var removeAttributes = function removeAttributes(node, attributes) {
var toRemove = [];
[].forEach.call(node.attributes, function (a) {
if (attributeIsNotEmpty(a) && !attributes.includes(a.name.toLowerCase())) {
toRemove.push(a.name);
}
});
toRemove.forEach(function (a) {
node.removeAttribute(a.name);
});
};
var numRgx = /[+-]?(?:\d+\.\d*|\d+|\.\d+)(?:[eE]\d+|[eE][+-]\d+|)/g;
var getLinesOptionsOfPoly = function getLinesOptionsOfPoly(node) {
var nums = node.getAttribute('points');
nums = nums && nums.match(numRgx) || [];
if (nums && nums.length) {
nums = nums.map(function (n) {
return Number(n);
});
if (nums.length % 2) {
nums.length--;
}
}
if (nums.length < 4) {
console.log('invalid points attribute:', node); // eslint-disable-line no-console
return undefined;
}
var _nums = nums,
_nums2 = _slicedToArray(_nums, 2),
x = _nums2[0],
y = _nums2[1],
lines = [];
for (var i = 2; i < nums.length; i += 2) {
lines.push([nums[i] - nums[i - 2], nums[i + 1] - nums[i - 1]]);
}
return {
x: x,
y: y,
lines: lines
};
};
var svgElementToPdf = function svgElementToPdf(element, pdf, options) {
// pdf is a jsPDF object
// console.log('options =', options);
var remove = options.removeInvalid === undefined ? false : options.removeInvalid;
var k = options.scale === undefined ? 1.0 : options.scale;
var colorMode = null;
[].forEach.call(element.children, function (node) {
// console.log('passing: ', node);
// let hasStrokeColor = false;
var hasFillColor = false;
var fillRGB;
if (nodeIs(node, ['g', 'line', 'rect', 'ellipse', 'circle', 'polygon', 'polyline', 'text'])) {
var fillColor = node.getAttribute('fill');
if (attributeIsNotEmpty(fillColor)) {
fillRGB = new RGBColor(fillColor);
if (fillRGB.ok) {
hasFillColor = true;
colorMode = 'F';
} else {
colorMode = null;
}
}
}
if (nodeIs(node, ['g', 'line', 'rect', 'ellipse', 'circle', 'polygon', 'polyline'])) {
if (hasFillColor) {
pdf.setFillColor(fillRGB.r, fillRGB.g, fillRGB.b);
}
if (attributeIsNotEmpty(node, 'stroke-width')) {
pdf.setLineWidth(k * parseInt(node.getAttribute('stroke-width')));
}
var strokeColor = node.getAttribute('stroke');
if (attributeIsNotEmpty(strokeColor)) {
var strokeRGB = new RGBColor(strokeColor);
if (strokeRGB.ok) {
// hasStrokeColor = true;
pdf.setDrawColor(strokeRGB.r, strokeRGB.g, strokeRGB.b);
if (colorMode === 'F') {
colorMode = 'FD';
} else {
colorMode = 'S';
}
} else {
colorMode = null;
}
}
}
var tag = node.tagName.toLowerCase();
switch (tag) {
case 'svg':
case 'a':
case 'g':
svgElementToPdf(node, pdf, options);
removeAttributes(node, pdfSvgAttr.g);
break;
case 'line':
pdf.line(k * parseInt(node.getAttribute('x1')), k * parseInt(node.getAttribute('y1')), k * parseInt(node.getAttribute('x2')), k * parseInt(node.getAttribute('y2')));
removeAttributes(node, pdfSvgAttr.line);
break;
case 'rect':
pdf.rect(k * parseInt(node.getAttribute('x')), k * parseInt(node.getAttribute('y')), k * parseInt(node.getAttribute('width')), k * parseInt(node.getAttribute('height')), colorMode);
removeAttributes(node, pdfSvgAttr.rect);
break;
case 'ellipse':
pdf.ellipse(k * parseInt(node.getAttribute('cx')), k * parseInt(node.getAttribute('cy')), k * parseInt(node.getAttribute('rx')), k * parseInt(node.getAttribute('ry')), colorMode);
removeAttributes(node, pdfSvgAttr.ellipse);
break;
case 'circle':
pdf.circle(k * parseInt(node.getAttribute('cx')), k * parseInt(node.getAttribute('cy')), k * parseInt(node.getAttribute('r')), colorMode);
removeAttributes(node, pdfSvgAttr.circle);
break;
case 'polygon':
case 'polyline':
{
var linesOptions = getLinesOptionsOfPoly(node);
if (linesOptions) {
pdf.lines(linesOptions.lines, k * linesOptions.x, k * linesOptions.y, [k, k], colorMode, tag === 'polygon' // polygon is closed, polyline is not closed
);
}
removeAttributes(node, pdfSvgAttr.polygon);
break; // TODO: path
}
case 'text':
{
if (node.hasAttribute('font-family')) {
switch ((node.getAttribute('font-family') || '').toLowerCase()) {
case 'serif':
pdf.setFont('times');
break;
case 'monospace':
pdf.setFont('courier');
break;
default:
node.setAttribute('font-family', 'sans-serif');
pdf.setFont('helvetica');
}
}
if (hasFillColor) {
pdf.setTextColor(fillRGB.r, fillRGB.g, fillRGB.b);
}
var fontType = '';
if (node.hasAttribute('font-weight')) {
if (node.getAttribute('font-weight') === 'bold') {
fontType = 'bold';
} else {
node.removeAttribute('font-weight');
}
}
if (node.hasAttribute('font-style')) {
if (node.getAttribute('font-style') === 'italic') {
fontType += 'italic';
} else {
node.removeAttribute('font-style');
}
}
pdf.setFontType(fontType);
var pdfFontSize = node.hasAttribute('font-size') ? parseInt(node.getAttribute('font-size')) : 16;
/**
*
* @param {Element} elem
* @returns {Float}
*/
var getWidth = function getWidth(elem) {
var box;
try {
box = elem.getBBox(); // Firefox on MacOS will raise error here
} catch (err) {
// copy and append to body so that getBBox is available
var nodeCopy = elem.cloneNode(true);
var svg = elem.ownerSVGElement.cloneNode(false);
svg.appendChild(nodeCopy);
document.body.appendChild(svg);
try {
box = nodeCopy.getBBox();
} catch (error) {
box = {
width: 0
};
}
document.body.removeChild(svg);
}
return box.width;
}; // FIXME: use more accurate positioning!!
var x,
y,
xOffset = 0;
if (node.hasAttribute('text-anchor')) {
switch (node.getAttribute('text-anchor')) {
case 'end':
xOffset = getWidth(node);
break;
case 'middle':
xOffset = getWidth(node) / 2;
break;
case 'start':
break;
case 'default':
node.setAttribute('text-anchor', 'start');
break;
}
x = parseInt(node.getAttribute('x')) - xOffset;
y = parseInt(node.getAttribute('y'));
} // console.log('fontSize:', pdfFontSize, 'text:', node.textContent);
pdf.setFontSize(pdfFontSize).text(k * x, k * y, node.textContent);
removeAttributes(node, pdfSvgAttr.text);
break; // TODO: image
}
default:
if (remove) {
console.log("can't translate to pdf:", node); // eslint-disable-line no-console
node.remove();
}
}
});
return pdf;
};
jsPDFAPI.addSVG = function (element, x, y, options) {
options = options === undefined ? {} : options;
options.x_offset = x;
options.y_offset = y;
if (typeof element === 'string') {
element = new DOMParser().parseFromString(element, 'text/xml').documentElement;
}
svgElementToPdf(element, this, options);
return this;
};
}());