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g-scala-js_sjs0.6_2.11.1.4.0_1.source-code.canvg.js Maven / Gradle / Ivy
/*
* canvg.js - Javascript SVG parser and renderer on Canvas
* MIT Licensed
* Gabe Lerner ([email protected] )
* http://code.google.com/p/canvg/
*
* Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
*/
(function(){
// canvg(target, s)
// empty parameters: replace all 'svg' elements on page with 'canvas' elements
// target: canvas element or the id of a canvas element
// s: svg string, url to svg file, or xml document
// opts: optional hash of options
// ignoreMouse: true => ignore mouse events
// ignoreAnimation: true => ignore animations
// ignoreDimensions: true => does not try to resize canvas
// ignoreClear: true => does not clear canvas
// offsetX: int => draws at a x offset
// offsetY: int => draws at a y offset
// scaleWidth: int => scales horizontally to width
// scaleHeight: int => scales vertically to height
// renderCallback: function => will call the function after the first render is completed
// forceRedraw: function => will call the function on every frame, if it returns true, will redraw
this.canvg = function (target, s, opts) {
// no parameters
if (target == null && s == null && opts == null) {
var svgTags = document.querySelectorAll('svg');
for (var i=0; i~\.\[:]+)/g;
var classRegex = /(\.[^\s\+>~\.\[:]+)/g;
var pseudoElementRegex = /(::[^\s\+>~\.\[:]+|:first-line|:first-letter|:before|:after)/gi;
var pseudoClassWithBracketsRegex = /(:[\w-]+\([^\)]*\))/gi;
var pseudoClassRegex = /(:[^\s\+>~\.\[:]+)/g;
var elementRegex = /([^\s\+>~\.\[:]+)/g;
function getSelectorSpecificity(selector) {
var typeCount = [0, 0, 0];
var findMatch = function(regex, type) {
var matches = selector.match(regex);
if (matches == null) {
return;
}
typeCount[type] += matches.length;
selector = selector.replace(regex, ' ');
};
selector = selector.replace(/:not\(([^\)]*)\)/g, ' $1 ');
selector = selector.replace(/{[^]*/gm, ' ');
findMatch(attributeRegex, 1);
findMatch(idRegex, 0);
findMatch(classRegex, 1);
findMatch(pseudoElementRegex, 2);
findMatch(pseudoClassWithBracketsRegex, 1);
findMatch(pseudoClassRegex, 1);
selector = selector.replace(/[\*\s\+>~]/g, ' ');
selector = selector.replace(/[#\.]/g, ' ');
findMatch(elementRegex, 2);
return typeCount.join('');
}
function build(opts) {
var svg = { opts: opts };
svg.FRAMERATE = 30;
svg.MAX_VIRTUAL_PIXELS = 30000;
svg.log = function(msg) {};
if (svg.opts['log'] == true && typeof(console) != 'undefined') {
svg.log = function(msg) { console.log(msg); };
};
// globals
svg.init = function(ctx) {
var uniqueId = 0;
svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId; };
svg.Definitions = {};
svg.Styles = {};
svg.StylesSpecificity = {};
svg.Animations = [];
svg.Images = [];
svg.ctx = ctx;
svg.ViewPort = new (function () {
this.viewPorts = [];
this.Clear = function() { this.viewPorts = []; }
this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
this.RemoveCurrent = function() { this.viewPorts.pop(); }
this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
this.width = function() { return this.Current().width; }
this.height = function() { return this.Current().height; }
this.ComputeSize = function(d) {
if (d != null && typeof(d) == 'number') return d;
if (d == 'x') return this.width();
if (d == 'y') return this.height();
return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
}
});
}
svg.init();
// images loaded
svg.ImagesLoaded = function() {
for (var i=0; i]*>/, '');
var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
xmlDoc.async = 'false';
xmlDoc.loadXML(xml);
return xmlDoc;
}
}
svg.Property = function(name, value) {
this.name = name;
this.value = value;
}
svg.Property.prototype.getValue = function() {
return this.value;
}
svg.Property.prototype.hasValue = function() {
return (this.value != null && this.value !== '');
}
// return the numerical value of the property
svg.Property.prototype.numValue = function() {
if (!this.hasValue()) return 0;
var n = parseFloat(this.value);
if ((this.value + '').match(/%$/)) {
n = n / 100.0;
}
return n;
}
svg.Property.prototype.valueOrDefault = function(def) {
if (this.hasValue()) return this.value;
return def;
}
svg.Property.prototype.numValueOrDefault = function(def) {
if (this.hasValue()) return this.numValue();
return def;
}
// color extensions
// augment the current color value with the opacity
svg.Property.prototype.addOpacity = function(opacityProp) {
var newValue = this.value;
if (opacityProp.value != null && opacityProp.value != '' && typeof(this.value)=='string') { // can only add opacity to colors, not patterns
var color = new RGBColor(this.value);
if (color.ok) {
newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')';
}
}
return new svg.Property(this.name, newValue);
}
// definition extensions
// get the definition from the definitions table
svg.Property.prototype.getDefinition = function() {
var name = this.value.match(/#([^\)'"]+)/);
if (name) { name = name[1]; }
if (!name) { name = this.value; }
return svg.Definitions[name];
}
svg.Property.prototype.isUrlDefinition = function() {
return this.value.indexOf('url(') == 0
}
svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) {
var def = this.getDefinition();
// gradient
if (def != null && def.createGradient) {
return def.createGradient(svg.ctx, e, opacityProp);
}
// pattern
if (def != null && def.createPattern) {
if (def.getHrefAttribute().hasValue()) {
var pt = def.attribute('patternTransform');
def = def.getHrefAttribute().getDefinition();
if (pt.hasValue()) { def.attribute('patternTransform', true).value = pt.value; }
}
return def.createPattern(svg.ctx, e);
}
return null;
}
// length extensions
svg.Property.prototype.getDPI = function(viewPort) {
return 96.0; // TODO: compute?
}
svg.Property.prototype.getEM = function(viewPort) {
var em = 12;
var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
return em;
}
svg.Property.prototype.getUnits = function() {
var s = this.value+'';
return s.replace(/[0-9\.\-]/g,'');
}
// get the length as pixels
svg.Property.prototype.toPixels = function(viewPort, processPercent) {
if (!this.hasValue()) return 0;
var s = this.value+'';
if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort);
if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2.0;
if (s.match(/px$/)) return this.numValue();
if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0);
if (s.match(/pc$/)) return this.numValue() * 15;
if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54;
if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4;
if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort);
if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort);
var n = this.numValue();
if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
return n;
}
// time extensions
// get the time as milliseconds
svg.Property.prototype.toMilliseconds = function() {
if (!this.hasValue()) return 0;
var s = this.value+'';
if (s.match(/s$/)) return this.numValue() * 1000;
if (s.match(/ms$/)) return this.numValue();
return this.numValue();
}
// angle extensions
// get the angle as radians
svg.Property.prototype.toRadians = function() {
if (!this.hasValue()) return 0;
var s = this.value+'';
if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0);
if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0);
if (s.match(/rad$/)) return this.numValue();
return this.numValue() * (Math.PI / 180.0);
}
// text extensions
// get the text baseline
var textBaselineMapping = {
'baseline': 'alphabetic',
'before-edge': 'top',
'text-before-edge': 'top',
'middle': 'middle',
'central': 'middle',
'after-edge': 'bottom',
'text-after-edge': 'bottom',
'ideographic': 'ideographic',
'alphabetic': 'alphabetic',
'hanging': 'hanging',
'mathematical': 'alphabetic'
};
svg.Property.prototype.toTextBaseline = function () {
if (!this.hasValue()) return null;
return textBaselineMapping[this.value];
}
// fonts
svg.Font = new (function() {
this.Styles = 'normal|italic|oblique|inherit';
this.Variants = 'normal|small-caps|inherit';
this.Weights = 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit';
this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
return {
fontFamily: fontFamily || f.fontFamily,
fontSize: fontSize || f.fontSize,
fontStyle: fontStyle || f.fontStyle,
fontWeight: fontWeight || f.fontWeight,
fontVariant: fontVariant || f.fontVariant,
toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
}
}
var that = this;
this.Parse = function(s) {
var f = {};
var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
var ff = '';
for (var i=0; i this.x2) this.x2 = x;
}
if (y != null) {
if (isNaN(this.y1) || isNaN(this.y2)) {
this.y1 = y;
this.y2 = y;
}
if (y < this.y1) this.y1 = y;
if (y > this.y2) this.y2 = y;
}
}
this.addX = function(x) { this.addPoint(x, null); }
this.addY = function(y) { this.addPoint(null, y); }
this.addBoundingBox = function(bb) {
this.addPoint(bb.x1, bb.y1);
this.addPoint(bb.x2, bb.y2);
}
this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
}
this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
// from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y];
this.addPoint(p0[0], p0[1]);
this.addPoint(p3[0], p3[1]);
for (i=0; i<=1; i++) {
var f = function(t) {
return Math.pow(1-t, 3) * p0[i]
+ 3 * Math.pow(1-t, 2) * t * p1[i]
+ 3 * (1-t) * Math.pow(t, 2) * p2[i]
+ Math.pow(t, 3) * p3[i];
}
var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
var c = 3 * p1[i] - 3 * p0[i];
if (a == 0) {
if (b == 0) continue;
var t = -c / b;
if (0 < t && t < 1) {
if (i == 0) this.addX(f(t));
if (i == 1) this.addY(f(t));
}
continue;
}
var b2ac = Math.pow(b, 2) - 4 * c * a;
if (b2ac < 0) continue;
var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
if (0 < t1 && t1 < 1) {
if (i == 0) this.addX(f(t1));
if (i == 1) this.addY(f(t1));
}
var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
if (0 < t2 && t2 < 1) {
if (i == 0) this.addX(f(t2));
if (i == 1) this.addY(f(t2));
}
}
}
this.isPointInBox = function(x, y) {
return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
}
this.addPoint(x1, y1);
this.addPoint(x2, y2);
}
// transforms
svg.Transform = function(v) {
var that = this;
this.Type = {}
// translate
this.Type.translate = function(s) {
this.p = svg.CreatePoint(s);
this.apply = function(ctx) {
ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
}
this.unapply = function(ctx) {
ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
}
this.applyToPoint = function(p) {
p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
}
}
// rotate
this.Type.rotate = function(s) {
var a = svg.ToNumberArray(s);
this.angle = new svg.Property('angle', a[0]);
this.cx = a[1] || 0;
this.cy = a[2] || 0;
this.apply = function(ctx) {
ctx.translate(this.cx, this.cy);
ctx.rotate(this.angle.toRadians());
ctx.translate(-this.cx, -this.cy);
}
this.unapply = function(ctx) {
ctx.translate(this.cx, this.cy);
ctx.rotate(-1.0 * this.angle.toRadians());
ctx.translate(-this.cx, -this.cy);
}
this.applyToPoint = function(p) {
var a = this.angle.toRadians();
p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]);
}
}
this.Type.scale = function(s) {
this.p = svg.CreatePoint(s);
this.apply = function(ctx) {
ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
}
this.unapply = function(ctx) {
ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
}
this.applyToPoint = function(p) {
p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
}
}
this.Type.matrix = function(s) {
this.m = svg.ToNumberArray(s);
this.apply = function(ctx) {
ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
}
this.unapply = function(ctx) {
var a = this.m[0];
var b = this.m[2];
var c = this.m[4];
var d = this.m[1];
var e = this.m[3];
var f = this.m[5];
var g = 0.0;
var h = 0.0;
var i = 1.0;
var det = 1 / (a*(e*i-f*h)-b*(d*i-f*g)+c*(d*h-e*g));
ctx.transform(
det*(e*i-f*h),
det*(f*g-d*i),
det*(c*h-b*i),
det*(a*i-c*g),
det*(b*f-c*e),
det*(c*d-a*f)
);
}
this.applyToPoint = function(p) {
p.applyTransform(this.m);
}
}
this.Type.SkewBase = function(s) {
this.base = that.Type.matrix;
this.base(s);
this.angle = new svg.Property('angle', s);
}
this.Type.SkewBase.prototype = new this.Type.matrix;
this.Type.skewX = function(s) {
this.base = that.Type.SkewBase;
this.base(s);
this.m = [1, 0, Math.tan(this.angle.toRadians()), 1, 0, 0];
}
this.Type.skewX.prototype = new this.Type.SkewBase;
this.Type.skewY = function(s) {
this.base = that.Type.SkewBase;
this.base(s);
this.m = [1, Math.tan(this.angle.toRadians()), 0, 1, 0, 0];
}
this.Type.skewY.prototype = new this.Type.SkewBase;
this.transforms = [];
this.apply = function(ctx) {
for (var i=0; i=0; i--) {
this.transforms[i].unapply(ctx);
}
}
this.applyToPoint = function(p) {
for (var i=0; i existingSpecificity) {
this.styles[name] = styles[name];
this.stylesSpecificity[name] = specificity;
}
}
}
}
}
};
if (node != null && node.nodeType == 1) { //ELEMENT_NODE
// add attributes
for (var i=0; i= this.tokens.length - 1;
}
this.isCommandOrEnd = function() {
if (this.isEnd()) return true;
return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
}
this.isRelativeCommand = function() {
switch(this.command)
{
case 'm':
case 'l':
case 'h':
case 'v':
case 'c':
case 's':
case 'q':
case 't':
case 'a':
case 'z':
return true;
break;
}
return false;
}
this.getToken = function() {
this.i++;
return this.tokens[this.i];
}
this.getScalar = function() {
return parseFloat(this.getToken());
}
this.nextCommand = function() {
this.previousCommand = this.command;
this.command = this.getToken();
}
this.getPoint = function() {
var p = new svg.Point(this.getScalar(), this.getScalar());
return this.makeAbsolute(p);
}
this.getAsControlPoint = function() {
var p = this.getPoint();
this.control = p;
return p;
}
this.getAsCurrentPoint = function() {
var p = this.getPoint();
this.current = p;
return p;
}
this.getReflectedControlPoint = function() {
if (this.previousCommand.toLowerCase() != 'c' &&
this.previousCommand.toLowerCase() != 's' &&
this.previousCommand.toLowerCase() != 'q' &&
this.previousCommand.toLowerCase() != 't' ){
return this.current;
}
// reflect point
var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
return p;
}
this.makeAbsolute = function(p) {
if (this.isRelativeCommand()) {
p.x += this.current.x;
p.y += this.current.y;
}
return p;
}
this.addMarker = function(p, from, priorTo) {
// if the last angle isn't filled in because we didn't have this point yet ...
if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
}
this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
}
this.addMarkerAngle = function(p, a) {
this.points.push(p);
this.angles.push(a);
}
this.getMarkerPoints = function() { return this.points; }
this.getMarkerAngles = function() {
for (var i=0; i 1) {
rx *= Math.sqrt(l);
ry *= Math.sqrt(l);
}
// cx', cy'
var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt(
((Math.pow(rx,2)*Math.pow(ry,2))-(Math.pow(rx,2)*Math.pow(currp.y,2))-(Math.pow(ry,2)*Math.pow(currp.x,2))) /
(Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2))
);
if (isNaN(s)) s = 0;
var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
// cx, cy
var centp = new svg.Point(
(curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y,
(curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y
);
// vector magnitude
var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); }
// ratio between two vectors
var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) }
// angle between two vectors
var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); }
// initial angle
var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]);
// angle delta
var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry];
var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry];
var ad = a(u, v);
if (r(u,v) <= -1) ad = Math.PI;
if (r(u,v) >= 1) ad = 0;
// for markers
var dir = 1 - sweepFlag ? 1.0 : -1.0;
var ah = a1 + dir * (ad / 2.0);
var halfWay = new svg.Point(
centp.x + rx * Math.cos(ah),
centp.y + ry * Math.sin(ah)
);
pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
pp.addMarkerAngle(cp, ah - dir * Math.PI);
bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
if (ctx != null) {
var r = rx > ry ? rx : ry;
var sx = rx > ry ? 1 : rx / ry;
var sy = rx > ry ? ry / rx : 1;
ctx.translate(centp.x, centp.y);
ctx.rotate(xAxisRotation);
ctx.scale(sx, sy);
ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
ctx.scale(1/sx, 1/sy);
ctx.rotate(-xAxisRotation);
ctx.translate(-centp.x, -centp.y);
}
}
break;
case 'Z':
case 'z':
if (ctx != null) ctx.closePath();
pp.current = pp.start;
}
}
return bb;
}
this.getMarkers = function() {
var points = this.PathParser.getMarkerPoints();
var angles = this.PathParser.getMarkerAngles();
var markers = [];
for (var i=0; i 1) this.offset = 1;
var stopColor = this.style('stop-color', true);
if (stopColor.value === '') stopColor.value = '#000';
if (this.style('stop-opacity').hasValue()) stopColor = stopColor.addOpacity(this.style('stop-opacity'));
this.color = stopColor.value;
}
svg.Element.stop.prototype = new svg.Element.ElementBase;
// animation base element
svg.Element.AnimateBase = function(node) {
this.base = svg.Element.ElementBase;
this.base(node);
svg.Animations.push(this);
this.duration = 0.0;
this.begin = this.attribute('begin').toMilliseconds();
this.maxDuration = this.begin + this.attribute('dur').toMilliseconds();
this.getProperty = function() {
var attributeType = this.attribute('attributeType').value;
var attributeName = this.attribute('attributeName').value;
if (attributeType == 'CSS') {
return this.parent.style(attributeName, true);
}
return this.parent.attribute(attributeName, true);
};
this.initialValue = null;
this.initialUnits = '';
this.removed = false;
this.calcValue = function() {
// OVERRIDE ME!
return '';
}
this.update = function(delta) {
// set initial value
if (this.initialValue == null) {
this.initialValue = this.getProperty().value;
this.initialUnits = this.getProperty().getUnits();
}
// if we're past the end time
if (this.duration > this.maxDuration) {
// loop for indefinitely repeating animations
if (this.attribute('repeatCount').value == 'indefinite'
|| this.attribute('repeatDur').value == 'indefinite') {
this.duration = 0.0
}
else if (this.attribute('fill').valueOrDefault('remove') == 'freeze' && !this.frozen) {
this.frozen = true;
this.parent.animationFrozen = true;
this.parent.animationFrozenValue = this.getProperty().value;
}
else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
this.removed = true;
this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
return true;
}
return false;
}
this.duration = this.duration + delta;
// if we're past the begin time
var updated = false;
if (this.begin < this.duration) {
var newValue = this.calcValue(); // tween
if (this.attribute('type').hasValue()) {
// for transform, etc.
var type = this.attribute('type').value;
newValue = type + '(' + newValue + ')';
}
this.getProperty().value = newValue;
updated = true;
}
return updated;
}
this.from = this.attribute('from');
this.to = this.attribute('to');
this.values = this.attribute('values');
if (this.values.hasValue()) this.values.value = this.values.value.split(';');
// fraction of duration we've covered
this.progress = function() {
var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
if (this.values.hasValue()) {
var p = ret.progress * (this.values.value.length - 1);
var lb = Math.floor(p), ub = Math.ceil(p);
ret.from = new svg.Property('from', parseFloat(this.values.value[lb]));
ret.to = new svg.Property('to', parseFloat(this.values.value[ub]));
ret.progress = (p - lb) / (ub - lb);
}
else {
ret.from = this.from;
ret.to = this.to;
}
return ret;
}
}
svg.Element.AnimateBase.prototype = new svg.Element.ElementBase;
// animate element
svg.Element.animate = function(node) {
this.base = svg.Element.AnimateBase;
this.base(node);
this.calcValue = function() {
var p = this.progress();
// tween value linearly
var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
return newValue + this.initialUnits;
};
}
svg.Element.animate.prototype = new svg.Element.AnimateBase;
// animate color element
svg.Element.animateColor = function(node) {
this.base = svg.Element.AnimateBase;
this.base(node);
this.calcValue = function() {
var p = this.progress();
var from = new RGBColor(p.from.value);
var to = new RGBColor(p.to.value);
if (from.ok && to.ok) {
// tween color linearly
var r = from.r + (to.r - from.r) * p.progress;
var g = from.g + (to.g - from.g) * p.progress;
var b = from.b + (to.b - from.b) * p.progress;
return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')';
}
return this.attribute('from').value;
};
}
svg.Element.animateColor.prototype = new svg.Element.AnimateBase;
// animate transform element
svg.Element.animateTransform = function(node) {
this.base = svg.Element.AnimateBase;
this.base(node);
this.calcValue = function() {
var p = this.progress();
// tween value linearly
var from = svg.ToNumberArray(p.from.value);
var to = svg.ToNumberArray(p.to.value);
var newValue = '';
for (var i=0; i startI && child.attribute('x').hasValue()) break; // new group
width += child.measureTextRecursive(ctx);
}
return -1 * (textAnchor == 'end' ? width : width / 2.0);
}
return 0;
}
this.renderChild = function(ctx, parent, i) {
var child = parent.children[i];
if (child.attribute('x').hasValue()) {
child.x = child.attribute('x').toPixels('x') + parent.getAnchorDelta(ctx, parent, i);
if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
}
else {
if (child.attribute('dx').hasValue()) parent.x += child.attribute('dx').toPixels('x');
child.x = parent.x;
}
parent.x = child.x + child.measureText(ctx);
if (child.attribute('y').hasValue()) {
child.y = child.attribute('y').toPixels('y');
if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').toPixels('y');
}
else {
if (child.attribute('dy').hasValue()) parent.y += child.attribute('dy').toPixels('y');
child.y = parent.y;
}
parent.y = child.y;
child.render(ctx);
for (var i=0; i0 && text[i-1]!=' ' && i0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial';
if (typeof(font.glyphs[c]) != 'undefined') {
glyph = font.glyphs[c][arabicForm];
if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
}
}
else {
glyph = font.glyphs[c];
}
if (glyph == null) glyph = font.missingGlyph;
return glyph;
}
this.renderChildren = function(ctx) {
var customFont = this.parent.style('font-family').getDefinition();
if (customFont != null) {
var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
var text = this.getText();
if (customFont.isRTL) text = text.split("").reverse().join("");
var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
for (var i=0; i 0) { return ''; }
return this.text;
}
}
svg.Element.tspan.prototype = new svg.Element.TextElementBase;
// tref
svg.Element.tref = function(node) {
this.base = svg.Element.TextElementBase;
this.base(node);
this.getText = function() {
var element = this.getHrefAttribute().getDefinition();
if (element != null) return element.children[0].getText();
}
}
svg.Element.tref.prototype = new svg.Element.TextElementBase;
// a element
svg.Element.a = function(node) {
this.base = svg.Element.TextElementBase;
this.base(node);
this.hasText = node.childNodes.length > 0;
for (var i=0; i 0) {
// render as temporary group
var g = new svg.Element.g();
g.children = this.children;
g.parent = this;
g.render(ctx);
}
}
this.onclick = function() {
window.open(this.getHrefAttribute().value);
}
this.onmousemove = function() {
svg.ctx.canvas.style.cursor = 'pointer';
}
}
svg.Element.a.prototype = new svg.Element.TextElementBase;
// image element
svg.Element.image = function(node) {
this.base = svg.Element.RenderedElementBase;
this.base(node);
var href = this.getHrefAttribute().value;
if (href == '') { return; }
var isSvg = href.match(/\.svg$/)
svg.Images.push(this);
this.loaded = false;
if (!isSvg) {
this.img = document.createElement('img');
if (svg.opts['useCORS'] == true) { this.img.crossOrigin = 'Anonymous'; }
var self = this;
this.img.onload = function() { self.loaded = true; }
this.img.onerror = function() { svg.log('ERROR: image "' + href + '" not found'); self.loaded = true; }
this.img.src = href;
}
else {
this.img = svg.ajax(href);
this.loaded = true;
}
this.renderChildren = function(ctx) {
var x = this.attribute('x').toPixels('x');
var y = this.attribute('y').toPixels('y');
var width = this.attribute('width').toPixels('x');
var height = this.attribute('height').toPixels('y');
if (width == 0 || height == 0) return;
ctx.save();
if (isSvg) {
ctx.drawSvg(this.img, x, y, width, height);
}
else {
ctx.translate(x, y);
svg.AspectRatio(ctx,
this.attribute('preserveAspectRatio').value,
width,
this.img.width,
height,
this.img.height,
0,
0);
ctx.drawImage(this.img, 0, 0);
}
ctx.restore();
}
this.getBoundingBox = function() {
var x = this.attribute('x').toPixels('x');
var y = this.attribute('y').toPixels('y');
var width = this.attribute('width').toPixels('x');
var height = this.attribute('height').toPixels('y');
return new svg.BoundingBox(x, y, x + width, y + height);
}
}
svg.Element.image.prototype = new svg.Element.RenderedElementBase;
// group element
svg.Element.g = function(node) {
this.base = svg.Element.RenderedElementBase;
this.base(node);
this.getBoundingBox = function() {
var bb = new svg.BoundingBox();
for (var i=0; i 0) {
var urlStart = srcs[s].indexOf('url');
var urlEnd = srcs[s].indexOf(')', urlStart);
var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
var doc = svg.parseXml(svg.ajax(url));
var fonts = doc.getElementsByTagName('font');
for (var f=0; f
