From b13b9ba697c090e85ab45f376450e34b28d486f4 Mon Sep 17 00:00:00 2001
From: Ignacio Rodríguez <ignaciorodriguez@sugarlabs.org>
Date: Mon, 30 Sep 2013 18:56:25 +0000
Subject: New frame for Aymara (rev 2). Copy sample files.

---
diff --git a/Aymara_v2/Build/build.sh b/Aymara_v2/Build/build.sh
new file mode 100644
index 0000000..9eedda4
--- /dev/null
+++ b/Aymara_v2/Build/build.sh
@@ -0,0 +1,2 @@
+pngtopnm ../Source/Frame.png | python ppmto565.py -o Frame.565
+echo "Build finish."
diff --git a/Aymara_v2/Build/ppmto565.py b/Aymara_v2/Build/ppmto565.py
new file mode 100755
index 0000000..46393f6
--- /dev/null
+++ b/Aymara_v2/Build/ppmto565.py
@@ -0,0 +1,80 @@
+#!/usr/bin/python
+"""Convert ppm-format files to XO-1 native 565 format."""
+from __future__ import division, with_statement
+import sys
+
+def eat_comment(inf): # just read #, read until next EOL
+    while True:
+        c = inf.read(1)
+        if c == '\n' or c == '\r': break # read to EOL
+    return c
+
+def read_token(inf):
+    # eat up leading whitespace
+    while True:
+        c = inf.read(1)
+        if c == '#': eat_comment(inf)
+        elif not c.isspace(): break
+    # now read in non-whitespace.
+    s = c
+    while True:
+        c = inf.read(1)
+        if c == '#': c = eat_comment(inf)
+        if c.isspace(): break
+        s += c
+    # done!
+    return s
+
+def main(inf, outf, compress=False):
+    import struct
+    # read ppm from input
+    magic = inf.read(2)
+    assert magic == 'P6'
+    width = int(read_token(inf))
+    height = int(read_token(inf))
+    maxval = int(read_token(inf))
+    unpackstr = '!3B' if maxval < 256 else '!3H'
+    unpacklen = struct.calcsize(unpackstr)
+    # write header
+    outf.write(struct.pack('@III', width, height, 1 if compress else 0))
+    if compress:
+        from zlib import compressobj
+        off0 = outf.tell()
+        # we'll come back and fill in the next field later w/ the right size.
+        outf.write(struct.pack('@I', 0))
+        off1 = outf.tell()
+        comp = compressobj(9)
+        encode_me = lambda bytes: comp.compress(bytes)
+    else:
+        encode_me = lambda bytes: bytes
+    # read pixel data, convert, and write it to output
+    def scale(x, y): return int((y*x/maxval)+0.5)
+    for y in xrange(0, height):
+        for x in xrange(0, width):
+            red, green, blue = struct.unpack(unpackstr, inf.read(unpacklen))
+            encoded = (scale(red, 0x1f) << 11) + \
+                      (scale(green, 0x3f) << 5) + \
+                      (scale(blue, 0x1f))
+            outf.write(encode_me(struct.pack('@H', encoded)))
+    if compress:
+        outf.write(comp.flush())
+        # go back and write the proper file size.
+        off2 = outf.tell()
+        outf.seek(off0)
+        outf.write(struct.pack('@I', off2-off1))
+
+if __name__ == '__main__':
+    from optparse import OptionParser
+    import sys
+    parser = OptionParser()
+    parser.add_option('-o','--output',default=None,dest='output',
+                      metavar='FILE', help='output file name.')
+    parser.add_option('-z','--compress',action='store_true',dest='compress',
+                      help='use compressed image format')
+    (options, args) = parser.parse_args()
+    if options.compress and options.output is None:
+        parser.error('Output file name required when writing '+
+                     'compressed format.')
+    infile = open(args[0]) if args else sys.stdin
+    outfile = open(options.output, 'w') if options.output else sys.stdout
+    main(infile, outfile, options.compress)
diff --git a/Aymara_v2/Source/Frame.png b/Aymara_v2/Source/Frame.png
new file mode 100644
index 0000000..9bdff64
--- /dev/null
+++ b/Aymara_v2/Source/Frame.png
Binary files differ
--
cgit v0.9.1