def convert_relatives_to_absolutes(lst):
if not isinstance(lst, (list, tuple)):
raise TypeError("`lst` must be a list or tuple.")
lst = pens_updown_to_papr(lst)
result = []
last_position = Coordinate(0, 0)
command = None
for e in lst:
## if has absolute position, keep track of last point...
if is_primitive_absolute(e):
if isinstance(e.xy, CoordinateArray):
last_position = e.xy[-1]
else:
last_position = e.xy
## handle each HPGL command type...
if isinstance(e, PR):
command = pr_to_pa(e, last_position)
last_position = command.xy[-1]
elif isinstance(e, ER):
command = EA(last_position + e.xy)
last_position = command.xy
elif isinstance(e, RR):
command = RA(last_position + e.xy)
last_position = command.xy
elif isinstance(e, AR):
command = AA(last_position + e.xy, e.angle, e.chordtolerance)
last_position = command.xy
else:
command = e
result.append(command)
return result
def convert_relatives_to_absolutes(lst):
if not isinstance(lst, (list, tuple)):
raise TypeError("`lst` must be a list or tuple.")
lst = pens_updown_to_papr(lst)
result = []
last_position = Coordinate(0, 0)
for e in lst:
## if has absolute position, keep track of last point...
if is_primitive_absolute(e):
if isinstance(e.xy, CoordinateArray):
last_position = e.xy[-1]
else:
last_position = e.xy
## handle each HPGL command type...
if isinstance(e, PR):
command = pr_to_pa(e, last_position)
last_position = command.xy[-1]
elif isinstance(e, ER):
command = EA(last_position + e.xy)
last_position = command.xy
elif isinstance(e, RR):
command = RA(last_position + e.xy)
last_position = command.xy
elif isinstance(e, AR):
command = AA(last_position + e.xy, e.angle, e.chordtolerance)
last_position = command.xy
else:
command = e
result.append(command)
return result
def _transpose_command(arg, val):
from chiplotle.tools.iterabletools.ispair import ispair
val = Coordinate(*val)
if is_primitive_absolute(arg):
arg.xy = arg.xy + val
