from __future__ import annotations
from typing import Union, Callable
+from circuitpython_typing import WriteableBuffer
+from vectorio._rectangle import _VectorShape
from ._structs import TransformStruct
from ._tilegrid import TileGrid
from ._colorspace import Colorspace
class Group:
+ # pylint: disable=too-many-instance-attributes
"""
Manage a group of sprites and groups and how they are inter-related.
if not isinstance(scale, int) or scale < 1:
raise ValueError("Scale must be >= 1")
self._scale = 1 # Use the setter below to actually set the scale
+ self._name = "Group"
self._group_x = x
self._group_y = y
self._hidden_group = False
+ self._hidden_by_parent = False
self._layers = []
- self._supported_types = (TileGrid, Group)
+ self._supported_types = (TileGrid, Group, _VectorShape)
self._in_group = False
self._item_removed = False
self._absolute_transform = TransformStruct(0, 0, 1, 1, 1, False, False, False)
y = self._group_y
if parent_transform.transpose_xy:
x, y = y, x
- self._absolute_transform.x = parent_transform.x + parent_transform.dx * x
- self._absolute_transform.y = parent_transform.y + parent_transform.dy * y
+ self._absolute_transform.x = int(
+ parent_transform.x + parent_transform.dx * x
+ )
+ self._absolute_transform.y = int(
+ parent_transform.y + parent_transform.dy * y
+ )
self._absolute_transform.dx = parent_transform.dx * self._scale
self._absolute_transform.dy = parent_transform.dy * self._scale
self._absolute_transform.transpose_xy = parent_transform.transpose_xy
layer = self._layers[index]
layer._update_transform(self._absolute_transform)
- def append(self, layer: Union[Group, TileGrid]) -> None:
+ def append(self, layer: Union[Group, TileGrid, _VectorShape]) -> None:
"""Append a layer to the group. It will be drawn
above other layers.
"""
self.insert(len(self._layers), layer)
- def insert(self, index: int, layer: Union[Group, TileGrid]) -> None:
+ def insert(self, index: int, layer: Union[Group, TileGrid, _VectorShape]) -> None:
"""Insert a layer into the group."""
if not isinstance(layer, self._supported_types):
raise ValueError("Invalid Group Member")
- if layer._in_group: # pylint: disable=protected-access
- raise ValueError("Layer already in a group.")
+ if isinstance(layer, (Group, TileGrid)):
+ if layer._in_group: # pylint: disable=protected-access
+ raise ValueError("Layer already in a group.")
self._layers.insert(index, layer)
self._layer_update(index)
- def index(self, layer: Union[Group, TileGrid]) -> int:
+ def index(self, layer: Union[Group, TileGrid, _VectorShape]) -> int:
"""Returns the index of the first copy of layer.
Raises ValueError if not found.
"""
return self._layers.index(layer)
- def pop(self, index: int = -1) -> Union[Group, TileGrid]:
+ def pop(self, index: int = -1) -> Union[Group, TileGrid, _VectorShape]:
"""Remove the ith item and return it."""
self._removal_cleanup(index)
return self._layers.pop(index)
- def remove(self, layer: Union[Group, TileGrid]) -> None:
+ def remove(self, layer: Union[Group, TileGrid, _VectorShape]) -> None:
"""Remove the first copy of layer. Raises ValueError
if it is not present."""
index = self.index(layer)
"""Returns the number of layers in a Group"""
return len(self._layers)
- def __getitem__(self, index: int) -> Union[Group, TileGrid]:
+ def __getitem__(self, index: int) -> Union[Group, TileGrid, _VectorShape]:
"""Returns the value at the given index."""
return self._layers[index]
- def __setitem__(self, index: int, value: Union[Group, TileGrid]) -> None:
+ def __setitem__(
+ self, index: int, value: Union[Group, TileGrid, _VectorShape]
+ ) -> None:
"""Sets the value at the given index."""
self._removal_cleanup(index)
self._layers[index] = value
del self._layers[index]
def _fill_area(
- self, colorspace: Colorspace, area: Area, mask: int, buffer: bytearray
+ self,
+ colorspace: Colorspace,
+ area: Area,
+ mask: WriteableBuffer,
+ buffer: WriteableBuffer,
) -> bool:
- if self._hidden_group:
- return False
-
- for layer in self._layers:
- if isinstance(layer, (Group, TileGrid)):
- if layer._fill_area( # pylint: disable=protected-access
- colorspace, area, mask, buffer
- ):
- return True
+ if not self._hidden_group:
+ for layer in reversed(self._layers):
+ if isinstance(layer, (Group, TileGrid, _VectorShape)):
+ if layer._fill_area( # pylint: disable=protected-access
+ colorspace, area, mask, buffer
+ ):
+ return True
return False
def sort(self, key: Callable, reverse: bool) -> None:
self._layers.sort(key=key, reverse=reverse)
def _finish_refresh(self):
- for layer in self._layers:
- if isinstance(layer, (Group, TileGrid)):
+ for layer in reversed(self._layers):
+ if isinstance(layer, (Group, TileGrid, _VectorShape)):
layer._finish_refresh() # pylint: disable=protected-access
def _get_refresh_areas(self, areas: list[Area]) -> None:
+ # pylint: disable=protected-access
+ for layer in reversed(self._layers):
+ if isinstance(layer, (Group, _VectorShape)):
+ layer._get_refresh_areas(areas)
+ elif isinstance(layer, TileGrid):
+ if not layer._get_rendered_hidden():
+ layer._get_refresh_areas(areas)
+
+ def _set_hidden(self, hidden: bool) -> None:
+ if self._hidden_group == hidden:
+ return
+ self._hidden_group = hidden
+ if self._hidden_by_parent:
+ return
for layer in self._layers:
if isinstance(layer, (Group, TileGrid)):
- if not layer.hidden:
- layer._get_refresh_areas(areas) # pylint: disable=protected-access
+ layer._set_hidden_by_parent(hidden) # pylint: disable=protected-access
+ elif isinstance(layer, _VectorShape):
+ layer._shape_set_dirty() # pylint: disable=protected-access
+
+ def _set_hidden_by_parent(self, hidden: bool) -> None:
+ if self._hidden_by_parent == hidden:
+ return
+ self._hidden_by_parent = hidden
+ if self._hidden_group:
+ return
+ for layer in self._layers:
+ if isinstance(layer, (Group, TileGrid)):
+ layer._set_hidden_by_parent(hidden) # pylint: disable=protected-access
+ elif isinstance(layer, _VectorShape):
+ layer._shape_set_dirty() # pylint: disable=protected-access
@property
def hidden(self) -> bool:
return self._hidden_group
@hidden.setter
- def hidden(self, value: bool):
+ def hidden(self, value: bool) -> None:
if not isinstance(value, (bool, int)):
raise ValueError("Expecting a boolean or integer value")
- self._hidden_group = bool(value)
+ value = bool(value)
+ self._set_hidden(value)
@property
def scale(self) -> int:
if not isinstance(value, int) or value < 1:
raise ValueError("Scale must be >= 1")
if self._scale != value:
- parent_scale = self._absolute_transform.scale / self._scale
+ parent_scale = self._absolute_transform.scale // self._scale
self._absolute_transform.dx = (
- self._absolute_transform.dx / self._scale * value
+ self._absolute_transform.dx // self._scale * value
)
self._absolute_transform.dy = (
- self._absolute_transform.dy / self._scale * value
+ self._absolute_transform.dy // self._scale * value
)
self._absolute_transform.scale = parent_scale * value
raise ValueError("x must be an integer")
if self._group_x != value:
if self._absolute_transform.transpose_xy:
- dy_value = self._absolute_transform.dy / self._scale
+ dy_value = self._absolute_transform.dy // self._scale
self._absolute_transform.y += dy_value * (value - self._group_x)
else:
- dx_value = self._absolute_transform.dx / self._scale
+ dx_value = self._absolute_transform.dx // self._scale
self._absolute_transform.x += dx_value * (value - self._group_x)
self._group_x = value
self._update_child_transforms()
raise ValueError("y must be an integer")
if self._group_y != value:
if self._absolute_transform.transpose_xy:
- dx_value = self._absolute_transform.dx / self._scale
+ dx_value = self._absolute_transform.dx // self._scale
self._absolute_transform.x += dx_value * (value - self._group_y)
else:
- dy_value = self._absolute_transform.dy / self._scale
+ dy_value = self._absolute_transform.dy // self._scale
self._absolute_transform.y += dy_value * (value - self._group_y)
self._group_y = value
self._update_child_transforms()
+
+
+circuitpython_splash = Group(scale=2, x=0, y=0)
projects / hackapet / Adafruit_Blinka_Displayio.git / blobdiff