1 files changed, 96 insertions, 0 deletions
diff --git a/oncology/dpfhack_display/fw/chartbl.py b/oncology/dpfhack_display/fw/chartbl.py
new file mode 100755
index 00000000..a3015c6a
--- /dev/null
+++ b/oncology/dpfhack_display/fw/chartbl.py
@@ -0,0 +1,96 @@
+import struct
+import sys
+
+rgbformat = "BBB"
+CHAR_WIDTH = 4
+CHAR_HEIGHT = 8
+
+context = {
+	'nrows' : 0,
+	'ncols' : 0,
+	'width' : 0,
+	'height' : 0,
+}
+
+
+def rgbto565(r, g, b):
+	return (( (r & 0xf8) ) | ((g & 0xe0) >> 5),
+		( (g & 0x1c) << 3 ) | ((b & 0xf8) >> 3))
+
+
+def gentbl():
+	c = 0
+	a = ""
+	for i in range(32, 127):
+		a += "%c" % chr(i)
+		c += 1
+		if c == 16:
+			c = 0
+			a = ""
+
+
+def output_chr(context, out, data, offset):
+	width = context['width']
+	for i in range(CHAR_HEIGHT):
+		off = offset + i * width
+		for j in range(CHAR_WIDTH):
+			o = 3 * (off + j)
+			r, g, b = struct.unpack(rgbformat, data[o:o + 3])
+			rgb565 = rgbto565(r, g, b)
+			out += chr(rgb565[0])
+			out += chr(rgb565[1])
+	return out
+
+def convert2table(context, data):
+	out = ""
+	width = context['width']
+	for i in xrange(context['nrows']):
+		off = i * CHAR_HEIGHT * width
+		for j in xrange(context['ncols']):
+			o = off + j * CHAR_WIDTH
+			out = output_chr(context, out, data, o)
+	return out
+
+def readpnm(context, prefix):
+	pnm = open(prefix + ".pnm", "r")
+
+	d = pnm.readline()
+	d = pnm.readline()
+	l = pnm.readline()
+	a, b = l.split()
+	x, y = int(a), int(b)
+	a = pnm.readline()
+
+	l = x * y
+	context['width'] = x
+	context['height'] = y
+	context['ncols'] = x / CHAR_WIDTH
+	context['nrows'] = y / CHAR_HEIGHT
+
+	data = pnm.read()
+	pnm.close()
+
+	return data
+	
+def convert2raw(context, data):
+
+	out = ""
+
+	for i in xrange(l):
+		off = 3 * i
+		r, g, b = struct.unpack(rgbformat, data[off:off + 3])
+		rgb565 = rgbto565(r, g, b)
+		out += chr(rgb565[0])
+		out += chr(rgb565[1])
+
+	return out
+
+# gentbl()
+c = {}
+
+out = readpnm(c, sys.argv[1])
+out = convert2table(c, out)
+
+f = open(sys.argv[1] + ".bin", "w")
+f.write(out)
+f.close()