X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/1ef9f0a96fa6e1cfd07144d5bdc6c123027c48f3..5cfe68b419b1e014ae334c500569d87b661e4281:/displayio/__init__.py

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+# The MIT License (MIT)
+#
+# Copyright (c) 2020 Melissa LeBlanc-Williams for Adafruit Industries
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+"""
+`displayio`
+================================================================================
+
+displayio for Blinka
+
+**Software and Dependencies:**
+
+* Adafruit Blinka:
+  https://github.com/adafruit/Adafruit_Blinka/releases
+
+* Author(s): Melissa LeBlanc-Williams
+
+"""
+
+import time
+import struct
+import threading
+import digitalio
+from PIL import Image
+import numpy
+from recordclass import recordclass
+
+from displayio.bitmap import Bitmap
+from displayio.colorconverter import ColorConverter
+from displayio.display import Display
+from displayio.epaperdisplay import EPaperDisplay
+from displayio.fourwire import FourWire
+from displayio.group import Group
+from displayio.i2cdisplay import I2CDisplay
+from displayio.ondiskbitmap import OnDiskBitmap
+from displayio.palette import Palette
+from displayio.parallelbus import ParallelBus
+from displayio.shape import Shape
+from displayio.tilegrid import TileGrid
+
+__version__ = "0.0.0-auto.0"
+__repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
+
+displays = []
+
+Rectangle = recordclass("Rectangle", "x1 y1 x2 y2")
+Transform = recordclass("Transform", "x y dx dy scale transpose_xy mirror_x mirror_y")
+
+
+def release_displays():
+    """Releases any actively used displays so their busses and pins can be used again.
+
+    Use this once in your code.py if you initialize a display. Place it right before the
+    initialization so the display is active as long as possible.
+    """
+    for _disp in displays:
+        _disp._release()  # pylint: disable=protected-access
+    displays.clear()