mirror of
https://bjh21.me.uk/bedstead/.git
synced 2026-07-09 13:33:06 -04:00
fcbb3c8d90
It takes a little bit of effort to avoid segfaulting FontForge, and so currently Bedstead Plotter Thin has dots in the middle of its dots. These probably shouldn't stay.
95 lines
3.0 KiB
Python
95 lines
3.0 KiB
Python
from __future__ import print_function
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import fontforge
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from math import radians
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from psMat import translate
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from sys import argv
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class Stroker(object):
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def __init__(self, fontname):
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self.fontname = fontname
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self.dotwidth = max(0, 100 - self.nibwidth)
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self.dotheight = max(0, 100 - self.nibheight)
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def modify_font(self, f):
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f.strokedfont = False
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for g in f.glyphs():
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for i, c in enumerate(list(g.layers[1])):
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newc = self.adjust_contour(c)
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if newc != None: g.layers[1] += newc
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g.stroke(*self.nib)
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g.removeOverlap()
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g.addExtrema()
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g.transform(translate(0, self.nibheight/2.0))
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f.familyname = self.familyname
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f.fontname = self.fontname
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f.fullname = self.fullname
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f.appendSFNTName('English (US)', 'Preferred Family', self.familyname)
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f.private['StdHW'] = self.nibheight
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f.private['StdVW'] = self.nibwidth
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def adjustblue(y): return y - 100 + self.nibheight
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bv = list(f.private['BlueValues'])
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bv[1:] = map(adjustblue, bv[1:])
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f.private['BlueValues'] = tuple(bv)
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f.uwidth = self.nibheight
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f.os2_weight = self.ttfweight
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f.weight = self.weight
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return f
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def adjust_contour(self, c):
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# This function just expands dots.
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if len(c) != 1: return None
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if self.dotwidth == 0 and self.dotheight == 0: return None
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newc = fontforge.contour()
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newc.moveTo(c[0].x + self.dotwidth/2, c[0].y)
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newc.lineTo(c[0].x, c[0].y + self.dotheight/2)
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newc.lineTo(c[0].x - self.dotwidth/2, c[0].y)
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newc.lineTo(c[0].x, c[0].y - self.dotheight/2)
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newc.closed = True
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return newc
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class Plotter(Stroker):
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familyname = "Bedstead Plotter"
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def __init__(self, penwidth, weight, ttfweight):
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self.nib = ['circular', penwidth, 'round', 'round']
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self.nibwidth = self.nibheight = penwidth
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self.fontname = "BedsteadPlotter-" + weight
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self.fullname = "%s %s" % (self.familyname, weight)
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self.ttfweight = ttfweight
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self.weight = weight
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super(Plotter, self).__init__("BedsteadPlotter-" + weight)
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class Chiseltip(Stroker):
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familyname = "Bedstead Chiseltip"
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fullname = "Bedstead Chiseltip"
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weight = "Medium"
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ttfweight = 500
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def __init__(self):
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chisel = fontforge.contour()
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chisel.moveTo(-56, 7)
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chisel.lineTo(39, 41)
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chisel.lineTo(56, -7)
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chisel.lineTo(-39, -41)
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chisel.closed = True
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self.nib = ['polygonal', chisel]
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self.nibwidth = 112
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self.nibheight = 82
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super(Chiseltip, self).__init__("BedsteadChiseltip")
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modes = {
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'plotter-thin': Plotter(10, "Thin", 100),
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'plotter-light': Plotter(50, "Light", 300),
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'plotter-medium': Plotter(100, "Medium", 500),
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'plotter-bold': Plotter(150, "Bold", 700),
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'chiseltip': Chiseltip(),
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}
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mode = modes[argv[1]]
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f = fontforge.open(argv[2])
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mode.modify_font(f)
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f.save(argv[3])
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