Method filter

src/image/p5.Image.js:1238–1241

* Applies an image filter to the image. * * The preset options are: * * `INVERT` * Inverts the colors in the image. No parameter is used. * * `GRAY` * Converts the image to grayscale. No parameter is used. * * `THRESHOLD` * Converts the image to black and white. Pixe

(operation, value)

   * }
   */
  filter(operation, value) {
    Filters.apply(this.canvas, Filters[operation], value);
    this.setModified(true);
  }

  /**
   * Copies a region of pixels from another image into this one.