pixi.js/lib/scene/text/Text.js

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'use strict';

var TextureStyle = require('../../rendering/renderers/shared/texture/TextureStyle.js');
var AbstractText = require('./AbstractText.js');
var CanvasTextGenerator = require('./canvas/CanvasTextGenerator.js');
var CanvasTextMetrics = require('./canvas/CanvasTextMetrics.js');
var TextStyle = require('./TextStyle.js');

"use strict";
class Text extends AbstractText.AbstractText {
  constructor(...args) {
    const options = AbstractText.ensureTextOptions(args, "Text");
    super(options, TextStyle.TextStyle);
    /** @internal */
    this.renderPipeId = "text";
    if (options.textureStyle) {
      this.textureStyle = options.textureStyle instanceof TextureStyle.TextureStyle ? options.textureStyle : new TextureStyle.TextureStyle(options.textureStyle);
    }
  }
  /** @private */
  updateBounds() {
    const bounds = this._bounds;
    const anchor = this._anchor;
    let width = 0;
    let height = 0;
    if (this._style.trim) {
      const { frame, canvasAndContext } = CanvasTextGenerator.CanvasTextGenerator.getCanvasAndContext({
        text: this.text,
        style: this._style,
        resolution: 1
      });
      CanvasTextGenerator.CanvasTextGenerator.returnCanvasAndContext(canvasAndContext);
      width = frame.width;
      height = frame.height;
    } else {
      const canvasMeasurement = CanvasTextMetrics.CanvasTextMetrics.measureText(
        this._text,
        this._style
      );
      width = canvasMeasurement.width;
      height = canvasMeasurement.height;
    }
    bounds.minX = -anchor._x * width;
    bounds.maxX = bounds.minX + width;
    bounds.minY = -anchor._y * height;
    bounds.maxY = bounds.minY + height;
  }
}

exports.Text = Text;
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