The function creates a new pen and returns a handle to
it. A pen is used to draw lines and curves. For an example
see printer_select_pen(). color must be a color in RGB hex
format, i.e. "000000" for black,
width specifies the width of the pen whereas style must be one of the
following constants:
PRINTER_PEN_SOLID:
creates a solid pen.
PRINTER_PEN_DASH:
creates a dashed pen.
PRINTER_PEN_DOT:
creates a dotted pen.
PRINTER_PEN_DASHDOT: creates a pen with dashes
and dots.
PRINTER_PEN_DASHDOTDOT: creates a pen with
dashes and double dots.
PRINTER_PEN_INVISIBLE: creates an invisible
pen.