parser = argparse.ArgumentParser(description='Creates a vector font from a BDF font by translating each filled pixel in the BDF font to a vector square.')

parser.add_argument('bdf_file_path', type=str)

parser.add_argument('output_font_path', type=str)

parser.add_argument('--units_per_em', type=int, default=2048, help='The units per em of the generated font.')

parser.add_argument('--scale', type=int, default=128, help='The length of the sides of the vector squares in the generated font.')

args = parser.parse_args()

bdf_font = bdfparser.Font(args.bdf_file_path)

fbbx = bdf_font.headers['fbbx']

ff_font = fontforge.font()

ff_font.em = args.units_per_em

for bdf_glyph in bdf_font.iterglyphs():

multi_polygon_list = process_glyph(bdf_font, bdf_glyph, args.scale)

codepoint = bdf_glyph.meta['codepoint']

chr = ff_font.createChar(codepoint)

pen = ff_font[codepoint].glyphPen()

for polygon in shapely.get_parts(multi_polygon_list):

ext_coords = tuple(polygon.exterior.coords)

ext_coords = ext_coords[:-1]

pen.moveTo(ext_coords[0])

for point in tuple(ext_coords[1:]):

pen.lineTo(point)

pen.endPath()

#plt.plot(*polygon.exterior.xy)

#plt.axis('square')

#plt.show()

chr.canonicalContours()

chr.canonicalStart()

chr.width = (fbbx + 1) * args.scale

ff_font.encoding = 'iso8859-1'

ff_font.encoding = 'compacted'

bmp = bdf_glyph.draw()

array = np.array(bmp.todata(2))

multi_polygon_list = array_to_polygons.array_to_multi_polygon_list(array)

fbbyoff = bdf_font.headers['fbbyoff']

multi_polygon_list = shapely.affinity.translate(multi_polygon_list, xoff=0, yoff=fbbyoff)

multi_polygon_list = shapely.affinity.scale(multi_polygon_list, xfact=scale, yfact=scale, origin=(0, 0))