Add pre-commit support.

[hackapet/Adafruit_Blinka_Displayio.git] / displayio / palette.py

diff --git a/displayio/palette.py b/displayio/palette.py
index 1812dbf93c19f6eeac426b471596d4e3cf514dca..77e78a5aab34010f5bf3264853123e030826c1bd 100644 (file)
--- a/displayio/palette.py
+++ b/displayio/palette.py
@@ -1,24 +1,6 @@
-# The MIT License (MIT)
+# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams for Adafruit Industries
 #
-# 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.
+# SPDX-License-Identifier: MIT
 
 """
 `displayio.palette`
@@ -111,3 +93,19 @@ class Palette:
         """Set the palette index to be an opaque color"""
         self._colors[palette_index]["transparent"] = False
         self._update_rgba(palette_index)
+
+    def _get_palette(self):
+        """Generate a palette for use with PIL"""
+        palette = []
+        for color in self._colors:
+            palette += color["rgba"][0:3]
+        return palette
+
+    def _get_alpha_palette(self):
+        """Generate an alpha channel palette with white being
+        opaque and black being transparent"""
+        palette = []
+        for color in self._colors:
+            for _ in range(3):
+                palette += [0 if color["transparent"] else 255]
+        return palette