You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
parttimejob/node_modules/zrender/lib/tool/parseSVG.js

638 lines
25 KiB

import Group from '../graphic/Group.js';
import ZRImage from '../graphic/Image.js';
import Circle from '../graphic/shape/Circle.js';
import Rect from '../graphic/shape/Rect.js';
import Ellipse from '../graphic/shape/Ellipse.js';
import Line from '../graphic/shape/Line.js';
import Polygon from '../graphic/shape/Polygon.js';
import Polyline from '../graphic/shape/Polyline.js';
import * as matrix from '../core/matrix.js';
import { createFromString } from './path.js';
import { defaults, trim, each, map, keys, hasOwn } from '../core/util.js';
import LinearGradient from '../graphic/LinearGradient.js';
import RadialGradient from '../graphic/RadialGradient.js';
import TSpan from '../graphic/TSpan.js';
import { parseXML } from './parseXML.js';
;
var nodeParsers;
var INHERITABLE_STYLE_ATTRIBUTES_MAP = {
'fill': 'fill',
'stroke': 'stroke',
'stroke-width': 'lineWidth',
'opacity': 'opacity',
'fill-opacity': 'fillOpacity',
'stroke-opacity': 'strokeOpacity',
'stroke-dasharray': 'lineDash',
'stroke-dashoffset': 'lineDashOffset',
'stroke-linecap': 'lineCap',
'stroke-linejoin': 'lineJoin',
'stroke-miterlimit': 'miterLimit',
'font-family': 'fontFamily',
'font-size': 'fontSize',
'font-style': 'fontStyle',
'font-weight': 'fontWeight',
'text-anchor': 'textAlign',
'visibility': 'visibility',
'display': 'display'
};
var INHERITABLE_STYLE_ATTRIBUTES_MAP_KEYS = keys(INHERITABLE_STYLE_ATTRIBUTES_MAP);
var SELF_STYLE_ATTRIBUTES_MAP = {
'alignment-baseline': 'textBaseline',
'stop-color': 'stopColor'
};
var SELF_STYLE_ATTRIBUTES_MAP_KEYS = keys(SELF_STYLE_ATTRIBUTES_MAP);
var SVGParser = (function () {
function SVGParser() {
this._defs = {};
this._root = null;
}
SVGParser.prototype.parse = function (xml, opt) {
opt = opt || {};
var svg = parseXML(xml);
if (process.env.NODE_ENV !== 'production') {
if (!svg) {
throw new Error('Illegal svg');
}
}
this._defsUsePending = [];
var root = new Group();
this._root = root;
var named = [];
var viewBox = svg.getAttribute('viewBox') || '';
var width = parseFloat((svg.getAttribute('width') || opt.width));
var height = parseFloat((svg.getAttribute('height') || opt.height));
isNaN(width) && (width = null);
isNaN(height) && (height = null);
parseAttributes(svg, root, null, true, false);
var child = svg.firstChild;
while (child) {
this._parseNode(child, root, named, null, false, false);
child = child.nextSibling;
}
applyDefs(this._defs, this._defsUsePending);
this._defsUsePending = [];
var viewBoxRect;
var viewBoxTransform;
if (viewBox) {
var viewBoxArr = splitNumberSequence(viewBox);
if (viewBoxArr.length >= 4) {
viewBoxRect = {
x: parseFloat((viewBoxArr[0] || 0)),
y: parseFloat((viewBoxArr[1] || 0)),
width: parseFloat(viewBoxArr[2]),
height: parseFloat(viewBoxArr[3])
};
}
}
if (viewBoxRect && width != null && height != null) {
viewBoxTransform = makeViewBoxTransform(viewBoxRect, { x: 0, y: 0, width: width, height: height });
if (!opt.ignoreViewBox) {
var elRoot = root;
root = new Group();
root.add(elRoot);
elRoot.scaleX = elRoot.scaleY = viewBoxTransform.scale;
elRoot.x = viewBoxTransform.x;
elRoot.y = viewBoxTransform.y;
}
}
if (!opt.ignoreRootClip && width != null && height != null) {
root.setClipPath(new Rect({
shape: { x: 0, y: 0, width: width, height: height }
}));
}
return {
root: root,
width: width,
height: height,
viewBoxRect: viewBoxRect,
viewBoxTransform: viewBoxTransform,
named: named
};
};
SVGParser.prototype._parseNode = function (xmlNode, parentGroup, named, namedFrom, isInDefs, isInText) {
var nodeName = xmlNode.nodeName.toLowerCase();
var el;
var namedFromForSub = namedFrom;
if (nodeName === 'defs') {
isInDefs = true;
}
if (nodeName === 'text') {
isInText = true;
}
if (nodeName === 'defs' || nodeName === 'switch') {
el = parentGroup;
}
else {
if (!isInDefs) {
var parser_1 = nodeParsers[nodeName];
if (parser_1 && hasOwn(nodeParsers, nodeName)) {
el = parser_1.call(this, xmlNode, parentGroup);
var nameAttr = xmlNode.getAttribute('name');
if (nameAttr) {
var newNamed = {
name: nameAttr,
namedFrom: null,
svgNodeTagLower: nodeName,
el: el
};
named.push(newNamed);
if (nodeName === 'g') {
namedFromForSub = newNamed;
}
}
else if (namedFrom) {
named.push({
name: namedFrom.name,
namedFrom: namedFrom,
svgNodeTagLower: nodeName,
el: el
});
}
parentGroup.add(el);
}
}
var parser = paintServerParsers[nodeName];
if (parser && hasOwn(paintServerParsers, nodeName)) {
var def = parser.call(this, xmlNode);
var id = xmlNode.getAttribute('id');
if (id) {
this._defs[id] = def;
}
}
}
if (el && el.isGroup) {
var child = xmlNode.firstChild;
while (child) {
if (child.nodeType === 1) {
this._parseNode(child, el, named, namedFromForSub, isInDefs, isInText);
}
else if (child.nodeType === 3 && isInText) {
this._parseText(child, el);
}
child = child.nextSibling;
}
}
};
SVGParser.prototype._parseText = function (xmlNode, parentGroup) {
var text = new TSpan({
style: {
text: xmlNode.textContent
},
silent: true,
x: this._textX || 0,
y: this._textY || 0
});
inheritStyle(parentGroup, text);
parseAttributes(xmlNode, text, this._defsUsePending, false, false);
applyTextAlignment(text, parentGroup);
var textStyle = text.style;
var fontSize = textStyle.fontSize;
if (fontSize && fontSize < 9) {
textStyle.fontSize = 9;
text.scaleX *= fontSize / 9;
text.scaleY *= fontSize / 9;
}
var font = (textStyle.fontSize || textStyle.fontFamily) && [
textStyle.fontStyle,
textStyle.fontWeight,
(textStyle.fontSize || 12) + 'px',
textStyle.fontFamily || 'sans-serif'
].join(' ');
textStyle.font = font;
var rect = text.getBoundingRect();
this._textX += rect.width;
parentGroup.add(text);
return text;
};
SVGParser.internalField = (function () {
nodeParsers = {
'g': function (xmlNode, parentGroup) {
var g = new Group();
inheritStyle(parentGroup, g);
parseAttributes(xmlNode, g, this._defsUsePending, false, false);
return g;
},
'rect': function (xmlNode, parentGroup) {
var rect = new Rect();
inheritStyle(parentGroup, rect);
parseAttributes(xmlNode, rect, this._defsUsePending, false, false);
rect.setShape({
x: parseFloat(xmlNode.getAttribute('x') || '0'),
y: parseFloat(xmlNode.getAttribute('y') || '0'),
width: parseFloat(xmlNode.getAttribute('width') || '0'),
height: parseFloat(xmlNode.getAttribute('height') || '0')
});
rect.silent = true;
return rect;
},
'circle': function (xmlNode, parentGroup) {
var circle = new Circle();
inheritStyle(parentGroup, circle);
parseAttributes(xmlNode, circle, this._defsUsePending, false, false);
circle.setShape({
cx: parseFloat(xmlNode.getAttribute('cx') || '0'),
cy: parseFloat(xmlNode.getAttribute('cy') || '0'),
r: parseFloat(xmlNode.getAttribute('r') || '0')
});
circle.silent = true;
return circle;
},
'line': function (xmlNode, parentGroup) {
var line = new Line();
inheritStyle(parentGroup, line);
parseAttributes(xmlNode, line, this._defsUsePending, false, false);
line.setShape({
x1: parseFloat(xmlNode.getAttribute('x1') || '0'),
y1: parseFloat(xmlNode.getAttribute('y1') || '0'),
x2: parseFloat(xmlNode.getAttribute('x2') || '0'),
y2: parseFloat(xmlNode.getAttribute('y2') || '0')
});
line.silent = true;
return line;
},
'ellipse': function (xmlNode, parentGroup) {
var ellipse = new Ellipse();
inheritStyle(parentGroup, ellipse);
parseAttributes(xmlNode, ellipse, this._defsUsePending, false, false);
ellipse.setShape({
cx: parseFloat(xmlNode.getAttribute('cx') || '0'),
cy: parseFloat(xmlNode.getAttribute('cy') || '0'),
rx: parseFloat(xmlNode.getAttribute('rx') || '0'),
ry: parseFloat(xmlNode.getAttribute('ry') || '0')
});
ellipse.silent = true;
return ellipse;
},
'polygon': function (xmlNode, parentGroup) {
var pointsStr = xmlNode.getAttribute('points');
var pointsArr;
if (pointsStr) {
pointsArr = parsePoints(pointsStr);
}
var polygon = new Polygon({
shape: {
points: pointsArr || []
},
silent: true
});
inheritStyle(parentGroup, polygon);
parseAttributes(xmlNode, polygon, this._defsUsePending, false, false);
return polygon;
},
'polyline': function (xmlNode, parentGroup) {
var pointsStr = xmlNode.getAttribute('points');
var pointsArr;
if (pointsStr) {
pointsArr = parsePoints(pointsStr);
}
var polyline = new Polyline({
shape: {
points: pointsArr || []
},
silent: true
});
inheritStyle(parentGroup, polyline);
parseAttributes(xmlNode, polyline, this._defsUsePending, false, false);
return polyline;
},
'image': function (xmlNode, parentGroup) {
var img = new ZRImage();
inheritStyle(parentGroup, img);
parseAttributes(xmlNode, img, this._defsUsePending, false, false);
img.setStyle({
image: xmlNode.getAttribute('xlink:href') || xmlNode.getAttribute('href'),
x: +xmlNode.getAttribute('x'),
y: +xmlNode.getAttribute('y'),
width: +xmlNode.getAttribute('width'),
height: +xmlNode.getAttribute('height')
});
img.silent = true;
return img;
},
'text': function (xmlNode, parentGroup) {
var x = xmlNode.getAttribute('x') || '0';
var y = xmlNode.getAttribute('y') || '0';
var dx = xmlNode.getAttribute('dx') || '0';
var dy = xmlNode.getAttribute('dy') || '0';
this._textX = parseFloat(x) + parseFloat(dx);
this._textY = parseFloat(y) + parseFloat(dy);
var g = new Group();
inheritStyle(parentGroup, g);
parseAttributes(xmlNode, g, this._defsUsePending, false, true);
return g;
},
'tspan': function (xmlNode, parentGroup) {
var x = xmlNode.getAttribute('x');
var y = xmlNode.getAttribute('y');
if (x != null) {
this._textX = parseFloat(x);
}
if (y != null) {
this._textY = parseFloat(y);
}
var dx = xmlNode.getAttribute('dx') || '0';
var dy = xmlNode.getAttribute('dy') || '0';
var g = new Group();
inheritStyle(parentGroup, g);
parseAttributes(xmlNode, g, this._defsUsePending, false, true);
this._textX += parseFloat(dx);
this._textY += parseFloat(dy);
return g;
},
'path': function (xmlNode, parentGroup) {
var d = xmlNode.getAttribute('d') || '';
var path = createFromString(d);
inheritStyle(parentGroup, path);
parseAttributes(xmlNode, path, this._defsUsePending, false, false);
path.silent = true;
return path;
}
};
})();
return SVGParser;
}());
var paintServerParsers = {
'lineargradient': function (xmlNode) {
var x1 = parseInt(xmlNode.getAttribute('x1') || '0', 10);
var y1 = parseInt(xmlNode.getAttribute('y1') || '0', 10);
var x2 = parseInt(xmlNode.getAttribute('x2') || '10', 10);
var y2 = parseInt(xmlNode.getAttribute('y2') || '0', 10);
var gradient = new LinearGradient(x1, y1, x2, y2);
parsePaintServerUnit(xmlNode, gradient);
parseGradientColorStops(xmlNode, gradient);
return gradient;
},
'radialgradient': function (xmlNode) {
var cx = parseInt(xmlNode.getAttribute('cx') || '0', 10);
var cy = parseInt(xmlNode.getAttribute('cy') || '0', 10);
var r = parseInt(xmlNode.getAttribute('r') || '0', 10);
var gradient = new RadialGradient(cx, cy, r);
parsePaintServerUnit(xmlNode, gradient);
parseGradientColorStops(xmlNode, gradient);
return gradient;
}
};
function parsePaintServerUnit(xmlNode, gradient) {
var gradientUnits = xmlNode.getAttribute('gradientUnits');
if (gradientUnits === 'userSpaceOnUse') {
gradient.global = true;
}
}
function parseGradientColorStops(xmlNode, gradient) {
var stop = xmlNode.firstChild;
while (stop) {
if (stop.nodeType === 1
&& stop.nodeName.toLocaleLowerCase() === 'stop') {
var offsetStr = stop.getAttribute('offset');
var offset = void 0;
if (offsetStr && offsetStr.indexOf('%') > 0) {
offset = parseInt(offsetStr, 10) / 100;
}
else if (offsetStr) {
offset = parseFloat(offsetStr);
}
else {
offset = 0;
}
var styleVals = {};
parseInlineStyle(stop, styleVals, styleVals);
var stopColor = styleVals.stopColor
|| stop.getAttribute('stop-color')
|| '#000000';
gradient.colorStops.push({
offset: offset,
color: stopColor
});
}
stop = stop.nextSibling;
}
}
function inheritStyle(parent, child) {
if (parent && parent.__inheritedStyle) {
if (!child.__inheritedStyle) {
child.__inheritedStyle = {};
}
defaults(child.__inheritedStyle, parent.__inheritedStyle);
}
}
function parsePoints(pointsString) {
var list = splitNumberSequence(pointsString);
var points = [];
for (var i = 0; i < list.length; i += 2) {
var x = parseFloat(list[i]);
var y = parseFloat(list[i + 1]);
points.push([x, y]);
}
return points;
}
function parseAttributes(xmlNode, el, defsUsePending, onlyInlineStyle, isTextGroup) {
var disp = el;
var inheritedStyle = disp.__inheritedStyle = disp.__inheritedStyle || {};
var selfStyle = {};
if (xmlNode.nodeType === 1) {
parseTransformAttribute(xmlNode, el);
parseInlineStyle(xmlNode, inheritedStyle, selfStyle);
if (!onlyInlineStyle) {
parseAttributeStyle(xmlNode, inheritedStyle, selfStyle);
}
}
disp.style = disp.style || {};
if (inheritedStyle.fill != null) {
disp.style.fill = getFillStrokeStyle(disp, 'fill', inheritedStyle.fill, defsUsePending);
}
if (inheritedStyle.stroke != null) {
disp.style.stroke = getFillStrokeStyle(disp, 'stroke', inheritedStyle.stroke, defsUsePending);
}
each([
'lineWidth', 'opacity', 'fillOpacity', 'strokeOpacity', 'miterLimit', 'fontSize'
], function (propName) {
if (inheritedStyle[propName] != null) {
disp.style[propName] = parseFloat(inheritedStyle[propName]);
}
});
each([
'lineDashOffset', 'lineCap', 'lineJoin', 'fontWeight', 'fontFamily', 'fontStyle', 'textAlign'
], function (propName) {
if (inheritedStyle[propName] != null) {
disp.style[propName] = inheritedStyle[propName];
}
});
if (isTextGroup) {
disp.__selfStyle = selfStyle;
}
if (inheritedStyle.lineDash) {
disp.style.lineDash = map(splitNumberSequence(inheritedStyle.lineDash), function (str) {
return parseFloat(str);
});
}
if (inheritedStyle.visibility === 'hidden' || inheritedStyle.visibility === 'collapse') {
disp.invisible = true;
}
if (inheritedStyle.display === 'none') {
disp.ignore = true;
}
}
function applyTextAlignment(text, parentGroup) {
var parentSelfStyle = parentGroup.__selfStyle;
if (parentSelfStyle) {
var textBaseline = parentSelfStyle.textBaseline;
var zrTextBaseline = textBaseline;
if (!textBaseline || textBaseline === 'auto') {
zrTextBaseline = 'alphabetic';
}
else if (textBaseline === 'baseline') {
zrTextBaseline = 'alphabetic';
}
else if (textBaseline === 'before-edge' || textBaseline === 'text-before-edge') {
zrTextBaseline = 'top';
}
else if (textBaseline === 'after-edge' || textBaseline === 'text-after-edge') {
zrTextBaseline = 'bottom';
}
else if (textBaseline === 'central' || textBaseline === 'mathematical') {
zrTextBaseline = 'middle';
}
text.style.textBaseline = zrTextBaseline;
}
var parentInheritedStyle = parentGroup.__inheritedStyle;
if (parentInheritedStyle) {
var textAlign = parentInheritedStyle.textAlign;
var zrTextAlign = textAlign;
if (textAlign) {
if (textAlign === 'middle') {
zrTextAlign = 'center';
}
text.style.textAlign = zrTextAlign;
}
}
}
var urlRegex = /^url\(\s*#(.*?)\)/;
function getFillStrokeStyle(el, method, str, defsUsePending) {
var urlMatch = str && str.match(urlRegex);
if (urlMatch) {
var url = trim(urlMatch[1]);
defsUsePending.push([el, method, url]);
return;
}
if (str === 'none') {
str = null;
}
return str;
}
function applyDefs(defs, defsUsePending) {
for (var i = 0; i < defsUsePending.length; i++) {
var item = defsUsePending[i];
item[0].style[item[1]] = defs[item[2]];
}
}
var numberReg = /-?([0-9]*\.)?[0-9]+([eE]-?[0-9]+)?/g;
function splitNumberSequence(rawStr) {
return rawStr.match(numberReg) || [];
}
var transformRegex = /(translate|scale|rotate|skewX|skewY|matrix)\(([\-\s0-9\.eE,]*)\)/g;
var DEGREE_TO_ANGLE = Math.PI / 180;
function parseTransformAttribute(xmlNode, node) {
var transform = xmlNode.getAttribute('transform');
if (transform) {
transform = transform.replace(/,/g, ' ');
var transformOps_1 = [];
var mt = null;
transform.replace(transformRegex, function (str, type, value) {
transformOps_1.push(type, value);
return '';
});
for (var i = transformOps_1.length - 1; i > 0; i -= 2) {
var value = transformOps_1[i];
var type = transformOps_1[i - 1];
var valueArr = splitNumberSequence(value);
mt = mt || matrix.create();
switch (type) {
case 'translate':
matrix.translate(mt, mt, [parseFloat(valueArr[0]), parseFloat(valueArr[1] || '0')]);
break;
case 'scale':
matrix.scale(mt, mt, [parseFloat(valueArr[0]), parseFloat(valueArr[1] || valueArr[0])]);
break;
case 'rotate':
matrix.rotate(mt, mt, -parseFloat(valueArr[0]) * DEGREE_TO_ANGLE, [
parseFloat(valueArr[1] || '0'),
parseFloat(valueArr[2] || '0')
]);
break;
case 'skewX':
var sx = Math.tan(parseFloat(valueArr[0]) * DEGREE_TO_ANGLE);
matrix.mul(mt, [1, 0, sx, 1, 0, 0], mt);
break;
case 'skewY':
var sy = Math.tan(parseFloat(valueArr[0]) * DEGREE_TO_ANGLE);
matrix.mul(mt, [1, sy, 0, 1, 0, 0], mt);
break;
case 'matrix':
mt[0] = parseFloat(valueArr[0]);
mt[1] = parseFloat(valueArr[1]);
mt[2] = parseFloat(valueArr[2]);
mt[3] = parseFloat(valueArr[3]);
mt[4] = parseFloat(valueArr[4]);
mt[5] = parseFloat(valueArr[5]);
break;
}
}
node.setLocalTransform(mt);
}
}
var styleRegex = /([^\s:;]+)\s*:\s*([^:;]+)/g;
function parseInlineStyle(xmlNode, inheritableStyleResult, selfStyleResult) {
var style = xmlNode.getAttribute('style');
if (!style) {
return;
}
styleRegex.lastIndex = 0;
var styleRegResult;
while ((styleRegResult = styleRegex.exec(style)) != null) {
var svgStlAttr = styleRegResult[1];
var zrInheritableStlAttr = hasOwn(INHERITABLE_STYLE_ATTRIBUTES_MAP, svgStlAttr)
? INHERITABLE_STYLE_ATTRIBUTES_MAP[svgStlAttr]
: null;
if (zrInheritableStlAttr) {
inheritableStyleResult[zrInheritableStlAttr] = styleRegResult[2];
}
var zrSelfStlAttr = hasOwn(SELF_STYLE_ATTRIBUTES_MAP, svgStlAttr)
? SELF_STYLE_ATTRIBUTES_MAP[svgStlAttr]
: null;
if (zrSelfStlAttr) {
selfStyleResult[zrSelfStlAttr] = styleRegResult[2];
}
}
}
function parseAttributeStyle(xmlNode, inheritableStyleResult, selfStyleResult) {
for (var i = 0; i < INHERITABLE_STYLE_ATTRIBUTES_MAP_KEYS.length; i++) {
var svgAttrName = INHERITABLE_STYLE_ATTRIBUTES_MAP_KEYS[i];
var attrValue = xmlNode.getAttribute(svgAttrName);
if (attrValue != null) {
inheritableStyleResult[INHERITABLE_STYLE_ATTRIBUTES_MAP[svgAttrName]] = attrValue;
}
}
for (var i = 0; i < SELF_STYLE_ATTRIBUTES_MAP_KEYS.length; i++) {
var svgAttrName = SELF_STYLE_ATTRIBUTES_MAP_KEYS[i];
var attrValue = xmlNode.getAttribute(svgAttrName);
if (attrValue != null) {
selfStyleResult[SELF_STYLE_ATTRIBUTES_MAP[svgAttrName]] = attrValue;
}
}
}
export function makeViewBoxTransform(viewBoxRect, boundingRect) {
var scaleX = boundingRect.width / viewBoxRect.width;
var scaleY = boundingRect.height / viewBoxRect.height;
var scale = Math.min(scaleX, scaleY);
return {
scale: scale,
x: -(viewBoxRect.x + viewBoxRect.width / 2) * scale + (boundingRect.x + boundingRect.width / 2),
y: -(viewBoxRect.y + viewBoxRect.height / 2) * scale + (boundingRect.y + boundingRect.height / 2)
};
}
export function parseSVG(xml, opt) {
var parser = new SVGParser();
return parser.parse(xml, opt);
}
export { parseXML };