from __future__ import annotations
from typing import Union, Callable
-from recordclass import recordclass
+from ._structs import TransformStruct
from ._tilegrid import TileGrid
+from ._colorspace import Colorspace
+from ._area import Area
-__version__ = "0.0.0-auto.0"
+__version__ = "0.0.0+auto.0"
__repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
-Transform = recordclass("Transform", "x y dx dy scale transpose_xy mirror_x mirror_y")
-
-
class Group:
"""
Manage a group of sprites and groups and how they are inter-related.
self._hidden_group = False
self._layers = []
self._supported_types = (TileGrid, Group)
- self.in_group = False
- self._absolute_transform = Transform(0, 0, 1, 1, 1, False, False, False)
+ self._in_group = False
+ self._item_removed = False
+ self._absolute_transform = TransformStruct(0, 0, 1, 1, 1, False, False, False)
self._set_scale(scale) # Set the scale via the setter
def _update_transform(self, parent_transform):
"""Update the parent transform and child transforms"""
- self.in_group = parent_transform is not None
- if self.in_group:
+ self._in_group = parent_transform is not None
+ if self._in_group:
x = self._group_x
y = self._group_y
if parent_transform.transpose_xy:
def _update_child_transforms(self):
# pylint: disable=protected-access
- if self.in_group:
+ if self._in_group:
for layer in self._layers:
layer._update_transform(self._absolute_transform)
"""Insert a layer into the group."""
if not isinstance(layer, self._supported_types):
raise ValueError("Invalid Group Member")
- if layer.in_group:
+ if layer._in_group: # pylint: disable=protected-access
raise ValueError("Layer already in a group.")
self._layers.insert(index, layer)
self._layer_update(index)
"""Deletes the value at the given index."""
del self._layers[index]
- def _fill_area(self, buffer):
+ def _fill_area(
+ self, colorspace: Colorspace, area: Area, mask: int, buffer: bytearray
+ ) -> bool:
if self._hidden_group:
- return
+ return False
for layer in self._layers:
if isinstance(layer, (Group, TileGrid)):
- layer._fill_area(buffer) # pylint: disable=protected-access
+ if layer._fill_area( # pylint: disable=protected-access
+ colorspace, area, mask, buffer
+ ):
+ return True
+ return False
def sort(self, key: Callable, reverse: bool) -> None:
"""Sort the members of the group."""
self._layers.sort(key=key, reverse=reverse)
+ def _finish_refresh(self):
+ for layer in self._layers:
+ if isinstance(layer, (Group, TileGrid)):
+ layer._finish_refresh() # pylint: disable=protected-access
+
+ def _get_refresh_areas(self, areas: list[Area]) -> None:
+ for layer in self._layers:
+ if isinstance(layer, (Group, TileGrid)):
+ if not layer.hidden:
+ layer._get_refresh_areas(areas) # pylint: disable=protected-access
+
@property
def hidden(self) -> bool:
"""True when the Group and all of it's layers are not visible. When False, the