Added initial code base

xyz2png.py

@@ -0,0 +1,36 @@
+#!/usr/bin/python
+import io
+import struct
+import sys
+import zlib
+from PIL import Image
+
+if len(sys.argv) < 3:
+	print >>sys.stderr, 'Usage: ' + sys.argv[0] + ' INPUT OUPTUT'
+	sys.exit(1)
+
+input_path = sys.argv[1]
+output_path = sys.argv[2]
+
+with open(input_path, 'rb') as input_fh:
+	magic = input_fh.read(4)
+	if magic != 'XYZ1':
+		print >>sys.stderr, 'Unsupported file type: ' + magic
+		sys.exit(1)
+	width, height = struct.unpack('=HH', input_fh.read(4))
+	rest = input_fh.read()
+	rest = zlib.decompress(rest)
+	rest = io.BytesIO(rest)
+	palette = []
+	for x in range(256):
+		r, g, b = struct.unpack('=3B', rest.read(3))
+		palette.append((r, g, b))
+
+	output_image = Image.new('RGBA', (width, height))
+	output_pixels = output_image.load()
+
+	for y in range(height):
+		for x in range(width):
+			output_pixels[x,y] = palette[ord(rest.read(1))]
+
+	output_image.save(output_path)