Split module into multiple files

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

diff --git a/displayio/ondiskbitmap.py b/displayio/ondiskbitmap.py
new file mode 100644 (file)
index 0000000..a4d758a
--- /dev/null
+++ b/displayio/ondiskbitmap.py
@@ -0,0 +1,63 @@
+# 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
+
+"""
+
+from PIL import Image
+
+__version__ = "0.0.0-auto.0"
+__repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
+
+# pylint: disable=unnecessary-pass, unused-argument
+
+
+class OnDiskBitmap:
+    """
+    Loads values straight from disk. This minimizes memory use but can lead to much slower
+    pixel load times. These load times may result in frame tearing where only part of the
+    image is visible."""
+
+    def __init__(self, file):
+        self._image = Image.open(file)
+
+    @property
+    def width(self):
+        """Width of the bitmap. (read only)"""
+        return self._image.width
+
+    @property
+    def height(self):
+        """Height of the bitmap. (read only)"""
+        return self._image.height