/** * Sets line transparency * @see Cpdf::setLineTransparency() * * Valid blend modes are (case-sensitive): * * Normal, Multiply, Screen, Overlay, Darken, Lighten, * ColorDodge, ColorBurn, HardLight, SoftLight, Difference, * Exclusion * * @param string $mode the blending mode to use * @param float $opacity 0.0 fully transparent, 1.0 fully opaque */ protected function _set_line_transparency($mode, $opacity) { $this->_pdf->setLineTransparency($mode, $opacity); }