def _draw_connectors(self):
"""
Draws the connectors on the proto board.
"""
for r in ROWS:
for c in COLUMNS:
if valid_loc((r, c)):
self._draw_connector(*self._rc_to_xy((r, c)))
def _draw_connectors(self):
"""
Draws the connectors on the proto board.
"""
for r in ROWS:
for c in COLUMNS:
if valid_loc((r, c)):
self._draw_connector(*self._rc_to_xy((r, c)))
def _xy_to_rc(self, x, y):
"""
Returns the row and column of the valid location on the proto board
containing the point (|x|, |y|), or None if no such location exists.
"""
for r in xrange(PROTO_BOARD_HEIGHT):
for c in xrange(PROTO_BOARD_WIDTH):
if valid_loc((r, c)):
x1, y1 = self._rc_to_xy((r, c))
x2, y2 = x1 + CONNECTOR_SIZE, y1 + CONNECTOR_SIZE
if x1 <= x <= x2 and y1 <= y <= y2:
return r, c
return None
def _xy_to_rc(self, x, y):
"""
Returns the row and column of the valid location on the proto board
containing the point (|x|, |y|), or None if no such location exists.
"""
for r in xrange(PROTO_BOARD_HEIGHT):
for c in xrange(PROTO_BOARD_WIDTH):
if valid_loc((r, c)):
x1, y1 = self._rc_to_xy((r, c))
x2, y2 = x1 + CONNECTOR_SIZE, y1 + CONNECTOR_SIZE
if x1 <= x <= x2 and y1 <= y <= y2:
return r, c
return None
