Added make_bitmap.py tool

firmware/tools/make_bitmap.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+
+# Copyright (C) 2016 Furrtek
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+import sys
+import struct
+from PIL import Image
+
+usage_message = """
+1BPP PortaPack bitmap generator
+
+Usage: <command> <name> <filename>
+"""
+
+if len(sys.argv) < 3:
+	print(usage_message)
+	sys.exit(-1)
+
+c = 0
+data = 0
+
+im = Image.open(sys.argv[2])
+rgb_im = im.convert('RGBA')
+
+if rgb_im.size[0] % 8 or rgb_im.size[1] % 8:
+	print('Bitmap size isn\'t a multiple of 8')
+	sys.exit(-1)
+
+name = sys.argv[1]
+
+print "static constexpr uint8_t bitmap_" + name + "_data[] = {"
+print '	',		# Tab
+
+for i in range(rgb_im.size[0]):
+	for j in range(rgb_im.size[1]):
+		r, g, b, a = rgb_im.getpixel((j, i))
+		
+		data >>= 1
+		
+		if r > 127 and g > 127 and b > 127 and a > 127:
+			data += 128
+		
+		if j % 8 == 7:
+			print "0x%0.2X," % data,
+			data = 0
+
+	print ''
+	if i < rgb_im.size[0] - 1:
+		print '	',		# Tab
+
+print "};"
+print ''
+print "static constexpr Bitmap bitmap_"  + name + " {"
+print "	{ " + str(rgb_im.size[0]) + ", " + str(rgb_im.size[1]) + " }, bitmap_" + name+ "_data"
+print "};"