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#!/usr/bin/env python
__version__ = "1.0"
from argparse import ArgumentParser
from PIL import Image
def main():
parser = ArgumentParser(description="Image to cpcrslib font",
epilog="Copyright (C) 2015 Juan J Martinez <jjm@usebox.net>",
)
parser.add_argument("--version", action="version", version="%(prog)s " + __version__)
parser.add_argument("image", help="image to convert")
parser.add_argument("id", help="variable name")
parser.add_argument("--effect", dest="effect", action="store_true")
args = parser.parse_args()
try:
image = Image.open(args.image)
except IOError:
parser.error("failed to open the image")
if image.mode != "P":
parser.error("not an indexed image (no palette)")
(w, h) = image.size
data = image.getdata()
out = []
for y in range(0, h, 8):
for x in range(0, w, 4):
for j in range(8):
row = 0
for i in range(4):
if data[x + i + (j + y) * w] != 0:
if args.effect and j in (2, 3, 4, 5):
row |= 1 << (7 - ((i * 2) + 1))
row |= 1 << (7 - (i * 2))
out.append(row)
data_out = ""
for part in range(0, len(out), 8):
if data_out:
data_out += ",\n"
data_out += ', '.join(["0x%02x" % b for b in out[part: part + 8]])
print("const unsigned char %s[] = {\n%s\n};\n" % (args.id, data_out))
if __name__ == "__main__":
main()
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