def point(self, pos):
"""Given a point (x, y) return the distance to the canvas item."""
d0 = super().point(pos)
ds = [
distance_rectangle_point(shape, pos) for shape in (
self._shape_head_rect,
self._shape_middle_rect,
self._shape_tail_rect,
) if shape
]
return min(d0, *ds) if ds else d0
def point(self, x: float, y: float) -> float:
"""Distance from the point (x, y) to the item.
>>> e = Element()
>>> e.point(20, 10)
10.0
"""
h = self._handles
x0, y0 = h[NW].pos
x1, y1 = h[SE].pos
return distance_rectangle_point((x0, y0, x1 - x0, y1 - y0), (x, y))
def point(self, pos):
"""
Distance from the point (x, y) to the item.
>>> e = Element()
>>> e.point((20, 10))
10.0
"""
h = self._handles
pnw, pse = h[NW].pos, h[SE].pos
return distance_rectangle_point(
list(map(float, (pnw.x, pnw.y, pse.x, pse.y))), pos)
def get_handle_at_point(self, pos, distance=None):
if not distance:
distance = 0
for handle in self.item.handles():
port_v = self.item.get_port_for_handle(handle)
if port_v: # Either a data port or a logical port
port_area = port_v.get_port_area(self.view)
if distance_rectangle_point(port_area, pos) <= distance:
return self.item, handle
else:
item, handle = self._check_for_resize_handle(
handle, pos, distance)
if item:
return item, handle
return None, None
def distances():
yield 10000.0
for txt in self._texts:
if txt.is_visible() and txt.editable:
yield distance_rectangle_point(txt.bounds, pos)
def distances():
yield 10000.0
for txt in self._texts:
if txt.is_visible() and txt.editable:
yield distance_rectangle_point(txt.bounds, pos)
def point(self, pos):
return distance_rectangle_point(self.dimensions(), pos)
def test_distance_rectangle_point():
assert distance_rectangle_point((2, 0, 2, 2), (0, 0)) == 2
def test_distance_with_negative_numbers_in_rectangle():
assert distance_rectangle_point((-50, -100, 100, 100), (-17, -65)) == 0
def test_distance_point_in_rectangle():
assert distance_rectangle_point((0, 0, 2, 2), (1, 1)) == 0
def point(self, x, y):
return distance_rectangle_point(self.dimensions(), (x, y))
