New gif example

examples/gif.py

@@ -0,0 +1,67 @@
+# Copyright (c) 2014 Adafruit Industries
+# Author: Phil Howard, Tony DiCola
+#
+# 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.
+from PIL import Image
+import ST7735 as TFT
+import Adafruit_GPIO.SPI as SPI
+import time
+import sys
+
+image_file = sys.argv[1]
+
+WIDTH = TFT.ST7735_TFTWIDTH
+HEIGHT = TFT.ST7735_TFTHEIGHT
+SPEED_HZ = 4000000
+
+# Raspberry Pi configuration.
+DC = 5
+RST = 25
+SPI_PORT = 0
+SPI_DEVICE = 0
+
+# Create TFT LCD display class.
+disp = TFT.ST7735(
+    DC,
+    rst=RST,
+    spi=SPI.SpiDev(
+        SPI_PORT,
+        SPI_DEVICE,
+        max_speed_hz=SPEED_HZ))
+
+# Initialize display.
+disp.begin()
+
+# Load an image.
+print('Loading gif: {}...'.format(image_file))
+image = Image.open(image_file)
+
+print('Drawing gif')
+
+frame = 0
+
+while True:
+    try:
+        image.seek(frame)
+        disp.display(image.resize((WIDTH, HEIGHT)))
+        frame += 1
+        time.sleep(0.05)
+    except EOFError:
+        frame = 0
+