if not isinstance(scale, int) or scale < 1:
raise ValueError("Scale must be >= 1")
self._scale = scale
- self._x = x
- self._y = y
- self._hidden = False
+ self._group_x = x
+ self._group_y = y
+ self._hidden_group = False
self._layers = []
self._supported_types = (TileGrid, Group)
self._absolute_transform = None
"""Update the parent transform and child transforms"""
self.in_group = parent_transform is not None
if self.in_group:
- x = self._x
- y = self._y
+ x = self._group_x
+ y = self._group_y
if parent_transform.transpose_xy:
x, y = y, x
self._absolute_transform.x = parent_transform.x + parent_transform.dx * x
del self._layers[index]
def _fill_area(self, buffer):
- if self._hidden:
+ if self._hidden_group:
return
for layer in self._layers:
"""True when the Group and all of it’s layers are not visible. When False, the
Group’s layers are visible if they haven’t been hidden.
"""
- return self._hidden
+ return self._hidden_group
@hidden.setter
def hidden(self, value):
if not isinstance(value, (bool, int)):
raise ValueError("Expecting a boolean or integer value")
- self._hidden = bool(value)
+ self._hidden_group = bool(value)
@property
def scale(self):
@property
def x(self):
"""X position of the Group in the parent."""
- return self._x
+ return self._group_x
@x.setter
def x(self, value):
if not isinstance(value, int):
raise ValueError("x must be an integer")
- if self._x != value:
+ if self._group_x != value:
if self._absolute_transform.transpose_xy:
dy_value = self._absolute_transform.dy / self._scale
- self._absolute_transform.y += dy_value * (value - self._x)
+ self._absolute_transform.y += dy_value * (value - self._group_x)
else:
dx_value = self._absolute_transform.dx / self._scale
- self._absolute_transform.x += dx_value * (value - self._x)
- self._x = value
+ self._absolute_transform.x += dx_value * (value - self._group_x)
+ self._group_x = value
self._update_child_transforms()
@property
def y(self):
"""Y position of the Group in the parent."""
- return self._y
+ return self._group_y
@y.setter
def y(self, value):
if not isinstance(value, int):
raise ValueError("y must be an integer")
- if self._y != value:
+ if self._group_y != value:
if self._absolute_transform.transpose_xy:
dx_value = self._absolute_transform.dx / self._scale
- self._absolute_transform.x += dx_value * (value - self._y)
+ self._absolute_transform.x += dx_value * (value - self._group_y)
else:
dy_value = self._absolute_transform.dy / self._scale
- self._absolute_transform.y += dy_value * (value - self._y)
- self._y = value
+ self._absolute_transform.y += dy_value * (value - self._group_y)
+ self._group_y = value
self._update_child_transforms()