import os
import sys
import math
import fontforge

basename =      sys.argv[1]
height   =  int(sys.argv[2])
width    =  int(sys.argv[3])
baseline =  int(sys.argv[4])
strikes  =      sys.argv[5]

strikes = [int(s) for s in strikes.split()]


font = fontforge.font()
font.comment    = f'Linux {basename} font'
font.copyright  = ''
font.familyname = basename
font.fontname   = basename
font.fullname   = f'Linux {basename}'
font.version    = '000.000'


svgbase = f'{basename}.svg/'
xpmf    = lambda f, s: f'{basename}.xpm{"" if s == 1 else f"x{s}"}/{f.removesuffix("svg") + "xpm"}'

map={"slash": "/", "NUL": "\0"}
for f in sorted(os.listdir(svgbase)):
	cv = ord(map.get(f[3:-4]) or f[3:-4])
	print(chr(cv))
	c = font.createChar(cv).importOutlines(svgbase + f, simplify=False).importOutlines(xpmf(f, 1)) #.simplify()

	c.width = math.ceil(1000 * width / height)


# We can't import the individual images as per-character strikes (and it'd be disproportionately difficult to implement): import them from skeleton BDFs instead
for s in strikes:
	font.importBitmaps(f'{basename}.{s}-strike.bdf')
assert(font.bitmapSizes == tuple(s * height for s in strikes))

print('Valid:', f'{font.validate():#x}', file=sys.stderr)

font.save(f'{basename}.sfd')

font.selection.all()
fontforge.printSetup('ps-file')
font.printSample('fontdisplay', height, '', f'{basename}-fontdisplay.ps')
font.printSample('chars', height, '', f'{basename}-chars.ps')
font.printSample('waterfall', font.bitmapSizes, '', f'{basename}-waterfall.ps')

font.generate(f'{basename}.otf', bitmap_type="ttf", flags=("opentype",))  # equivalent to saving from GUI
font.generate(f'{basename}.bdf')