Add palette generator script

util/img2pal.py

@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+import sys
+from PIL import Image
+
+'''
+Converts a PNG into a palette compatible
+with aptdec. Requires PIL:
+
+ pip3 install Pillow
+
+'''
+
+if len(sys.argv) == 1:
+    print("Usage: python3 {} filename.png".format(sys.argv[0]))
+    exit()
+
+image = Image.open(sys.argv[1])
+pixels = image.load()
+
+sys.stdout.write("char palette[{}][3] = {{\n    \"".format(image.size[1]))
+for y in range(1, image.size[1]+1):
+    sys.stdout.write(''.join('\\x{:02x}'.format(a) for a in pixels[0, y-1]))
+    if(y % 7 == 0 and y != 0):
+        sys.stdout.write("\",\n    \"")
+
+print("\"\n};")