import { settings } from "@pixi/settings";
class CanvasRenderTarget {
  /**
   * @param width - the width for the newly created canvas
   * @param height - the height for the newly created canvas
   * @param {number} [resolution=PIXI.settings.RESOLUTION] - The resolution / device pixel ratio of the canvas
   */
  constructor(width, height, resolution) {
    this._canvas = settings.ADAPTER.createCanvas(), this._context = this._canvas.getContext("2d"), this.resolution = resolution || settings.RESOLUTION, this.resize(width, height);
  }
  /**
   * Clears the canvas that was created by the CanvasRenderTarget class.
   * @private
   */
  clear() {
    this._checkDestroyed(), this._context.setTransform(1, 0, 0, 1, 0, 0), this._context.clearRect(0, 0, this._canvas.width, this._canvas.height);
  }
  /**
   * Resizes the canvas to the specified width and height.
   * @param desiredWidth - the desired width of the canvas
   * @param desiredHeight - the desired height of the canvas
   */
  resize(desiredWidth, desiredHeight) {
    this._checkDestroyed(), this._canvas.width = Math.round(desiredWidth * this.resolution), this._canvas.height = Math.round(desiredHeight * this.resolution);
  }
  /** Destroys this canvas. */
  destroy() {
    this._context = null, this._canvas = null;
  }
  /**
   * The width of the canvas buffer in pixels.
   * @member {number}
   */
  get width() {
    return this._checkDestroyed(), this._canvas.width;
  }
  set width(val) {
    this._checkDestroyed(), this._canvas.width = Math.round(val);
  }
  /**
   * The height of the canvas buffer in pixels.
   * @member {number}
   */
  get height() {
    return this._checkDestroyed(), this._canvas.height;
  }
  set height(val) {
    this._checkDestroyed(), this._canvas.height = Math.round(val);
  }
  /** The Canvas object that belongs to this CanvasRenderTarget. */
  get canvas() {
    return this._checkDestroyed(), this._canvas;
  }
  /** A CanvasRenderingContext2D object representing a two-dimensional rendering context. */
  get context() {
    return this._checkDestroyed(), this._context;
  }
  _checkDestroyed() {
    if (this._canvas === null)
      throw new TypeError("The CanvasRenderTarget has already been destroyed");
  }
}
export {
  CanvasRenderTarget
};
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