XOOPS / XoopsCore

  ## --------------------------------------------------------

  public function greyScaleEnhanced()

    # Author:     Jarrod Oberto

    # Date:       07-05-2011

    # Purpose:    Make image greyscale

    # Param in:   n/a

    # Param out:

    # Reference:

    # Notes:

    #

  {

    if ($this->imageResized) {

      imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);

      imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -15);

      imagefilter($this->imageResized, IMG_FILTER_BRIGHTNESS, 2);

      $this->sharpen($this->width);

    }

  }

  ## --------------------------------------------------------

  /** Apply 'Monopin' preset */

  public function gd_filter_monopin()

  {

    if ($this->imageResized) {

      imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);

      imagefilter($this->imageResized, IMG_FILTER_BRIGHTNESS, -15);

      imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -15);

      $this->imageResized = $this->gd_apply_overlay($this->imageResized, 'vignette', 100);

    }

  }

  ## --------------------------------------------------------