| #!/usr/bin/python |
| |
| import sys |
| import StringIO |
| try: |
| import Image, ImageDraw, ImageFont |
| except ImportError, e: |
| print str(e) |
| print "Are you missing the Python Imaging Library? (apt-get install python-imaging)" |
| sys.exit(1) |
| |
| FONT_PATH = "/usr/share/fonts/truetype/msttcorefonts/arial.ttf" |
| |
| class Args(object): |
| def __init__(self, dest_name, size, circle_color, border_color, |
| letter_color, letter): |
| self.dest_name = dest_name |
| self.size = size |
| self.circle_color = circle_color |
| self.border_color = border_color |
| self.letter_color = letter_color |
| self.letter = letter |
| |
| def main(args): |
| data = process_args(args) |
| if data: |
| createImage(data) |
| |
| def process_args(args): |
| if not args or len(args) != 6: |
| usage() |
| return Args(*args) |
| |
| def usage(): |
| print """Usage: %s <file_name> <size> <circle-color> <border-color> <letter-color> <letter>""" % sys.argv[0] |
| sys.exit(1) |
| |
| def createImage(data): |
| zoom = 4 |
| rmin = -zoom/2 |
| rmax = zoom/2 |
| if zoom > 1: |
| r = range(-zoom/2, zoom/2+1) |
| else: |
| r = [ 0 ] |
| sz = int(data.size) |
| sz4 = sz * zoom |
| |
| img = Image.new("RGBA", (sz4, sz4), (255,255,255,0)) |
| draw = ImageDraw.Draw(img) |
| |
| draw.ellipse((0, 0, sz4-zoom, sz4-zoom), |
| fill=data.circle_color, outline=None) |
| for i in r: |
| draw.ellipse((i, i, sz4-i-zoom, sz4-i-zoom), |
| fill=None, outline=data.border_color) |
| |
| font = ImageFont.truetype(FONT_PATH, int(sz4 * .75)) |
| tsx, tsy = draw.textsize(data.letter, font=font) |
| |
| ptx = (sz4 - tsx) / 2 |
| pty = (sz4 - tsy) / 2 |
| for i in r: |
| draw.text((ptx + i, pty), data.letter, font=font, fill=data.letter_color) |
| |
| img = img.resize((sz, sz), Image.BICUBIC) |
| img.save(data.dest_name, "PNG") |
| print "Saved", data.dest_name |
| |
| if __name__ == "__main__": |
| main(sys.argv[1:]) |