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add
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var Displayable = require("./Displayable");
var zrUtil = require("../core/util");
var textContain = require("../contain/text");
var textHelper = require("./helper/text");
/**
* @alias zrender/graphic/Text
* @extends module:zrender/graphic/Displayable
* @constructor
* @param {Object} opts
*/
var Text = function (opts) {
// jshint ignore:line
Displayable.call(this, opts);
};
Text.prototype = {
constructor: Text,
type: 'text',
brush: function (ctx, prevEl) {
var style = this.style; // Optimize, avoid normalize every time.
this.__dirty && textHelper.normalizeTextStyle(style, true); // Use props with prefix 'text'.
style.fill = style.stroke = style.shadowBlur = style.shadowColor = style.shadowOffsetX = style.shadowOffsetY = null;
var text = style.text; // Convert to string
text != null && (text += ''); // Do not apply style.bind in Text node. Because the real bind job
// is in textHelper.renderText, and performance of text render should
// be considered.
// style.bind(ctx, this, prevEl);
if (!textHelper.needDrawText(text, style)) {
return;
}
this.setTransform(ctx);
textHelper.renderText(this, ctx, text, style, null, prevEl);
this.restoreTransform(ctx);
},
getBoundingRect: function () {
var style = this.style; // Optimize, avoid normalize every time.
this.__dirty && textHelper.normalizeTextStyle(style, true);
if (!this._rect) {
var text = style.text;
text != null ? text += '' : text = '';
var rect = textContain.getBoundingRect(style.text + '', style.font, style.textAlign, style.textVerticalAlign, style.textPadding, style.rich);
rect.x += style.x || 0;
rect.y += style.y || 0;
if (textHelper.getStroke(style.textStroke, style.textStrokeWidth)) {
var w = style.textStrokeWidth;
rect.x -= w / 2;
rect.y -= w / 2;
rect.width += w;
rect.height += w;
}
this._rect = rect;
}
return this._rect;
}
};
zrUtil.inherits(Text, Displayable);
var _default = Text;
module.exports = _default;
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