original_string: public function alphaBlending(Bool $blendMode = NULL) : GD
      {
          imagealphablending($this->canvas, (bool) $blendMode);
  
          return $this;
      }
code: public function alphaBlending(Bool $blendMode = NULL) : GD
      {
          imagealphablending($this->canvas, (bool) $blendMode);
  
          return $this;
      }
code_tokens: public function alphaBlending ( Bool $ blendMode = NULL ) : GD { imagealphablending ( $ this -> canvas , ( bool ) $ blendMode ) ; return $ this ; }
docstring: Sets alpha blending
  
  @param bool $blendMode = NULL
  
  @return GD
docstring_tokens: Sets alpha blending