From b634a9b6dce14ea1c49098a4c024a56fa8ad8af7 Mon Sep 17 00:00:00 2001
From: tangstad <tangstad@pvv.ntnu.no>
Date: Wed, 9 Nov 2005 20:29:56 +0000
Subject: [PATCH] Added output of palettes. Rotated output of data, previously
 it outputted by column, not row.

---
 gba/tools/img2bin.py | 41 +++++++++++++++++++++++++++++++----------
 1 file changed, 31 insertions(+), 10 deletions(-)

diff --git a/gba/tools/img2bin.py b/gba/tools/img2bin.py
index 0e8f204..c8d4ec0 100644
--- a/gba/tools/img2bin.py
+++ b/gba/tools/img2bin.py
@@ -2,19 +2,40 @@
 from PIL import Image
 import sys
 import os
+import struct
 
 """Convert image to raw binary using Python Imaging Library."""
 
-if len(sys.argv) != 3:
-  print "Usage: %s <source> <target>" % os.path.split(sys.argv[0])[1]
-  print "WARNING: It only converts 8x8 pixel images at 8bit the moment."
-  sys.exit()
+def split_seq(seq, splitsize):
+  newseq = []
+  while seq:
+    newseq.append(seq[:splitsize])
+    print "elem:", newseq[-1]
+    seq = seq[splitsize:]
+  return newseq      
 
-im = Image.open(sys.argv[1])
-output = open(sys.argv[2], "wb")
-for x in range(8):
-  for y in range(8):
-    val = im.getpixel((x, y)) 
-    output.write(chr(val))
+if __name__=="__main__":
+  if len(sys.argv) < 3:
+    print "Usage: %s <source> <target> [palette]" % os.path.split(sys.argv[0])[1]
+    print "WARNING: It only converts 8bit images at the moment... and no tiling."
+    sys.exit()
 
+  im = Image.open(sys.argv[1])
+  output = open(sys.argv[2], "wb")
+  width, height = im.size
+  for y in range(height):
+    for x in range(width):
+      val = im.getpixel((x, y)) 
+      output.write(chr(val))
 
+  if len(sys.argv) > 3:
+    pal_output = open(sys.argv[3], "wb")
+    print "entries:", len(im.palette.palette)
+    for i, color in enumerate(split_seq(im.palette.palette, 3)):
+      r, g, b = map(lambda col : col >> 3, map(ord, color))
+
+      print "rgb:", r, g, b
+      value = (b << 10) + (g << 5) + r
+      print "color", i, ":", value
+      pal_output.write(struct.pack("<h", value))
+