Dusted off - made to work to some extent

This commit is contained in:
2026-02-18 03:34:17 +01:00
parent 4ce505ffea
commit 9c0cf9e5fb
8 changed files with 55 additions and 38 deletions

7
.gitignore vendored
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@@ -1,4 +1,5 @@
venv
svgs
ttf
idea
svgs/
ttf/
idea
__pycache__/

5
arch-linux.txt Normal file
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@@ -0,0 +1,5 @@
arch packages: fontforge python-svgwrite-1.4.3-5
prep:
mkdir svgs
k

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@@ -18,6 +18,7 @@ def run(path, font_name):
font.fontname = font_name
# noinspection SpellCheckingInspection
font.familyname = 'Hershey'
print(os.listdir(os.path.join(svg_folder, font_name)))
for svg in os.listdir(os.path.join(svg_folder, font_name)):
if svg[-4:] == '.svg':
match = re.match(r'ascii(\d+)_l(-?[\d.]+)_r(-?[\d.]+).svg', svg)
@@ -26,18 +27,29 @@ def run(path, font_name):
glyph = font.createMappedChar(character)
# Import the outlines *before* setting the bearings. Otherwise, everything will be reset.
glyph.importOutlines(os.path.join(svg_folder, font_name, svg))
print("and then?", os.path.join(svg_folder, font_name, svg))
glyph.importOutlines(os.path.join(svg_folder, font_name, svg)) # SILENT CRASH
glyph.stroke('circular', stroke_size, 'round', 'round')
# glyph.correctDirection()
glyph.removeOverlap()
glyph.correctDirection()
glyph.simplify()
glyph.left_side_bearing = float(match.group(2))
glyph.round()
glyph.removeOverlap()
#glyph.stroke('circular', stroke_size, 'round', 'round')
# glyph.correctDirection()
#glyph.removeOverlap()
#glyph.simplify()
glyph.left_side_bearing = int(round(float(match.group(2))))
# Compensate for the stroke with on the right side bearing
glyph.right_side_bearing = float(match.group(3)) - stroke_size
glyph.right_side_bearing = int(round(float(match.group(3)) - stroke_size))
else:
print(f'Not a SVG file: {os.path.join(svg_folder, font_name, svg)}')
# Assumes ttf folder exists
print("Done gen, writing")
ttf_folder = os.path.join(path, 'ttf')
font.generate(os.path.join(ttf_folder, font_name + '.ttf'))

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@@ -1,7 +1,7 @@
import os
import re
from dataclasses import Metadata
from local_dataclasses import Metadata
types = {'p': 'Plain', 's': 'Simplex', 'd': 'Duplex', 'cs': 'Complex_Small', 'c': 'Complex', 't': 'Triplex'}
names = {'roman': 'Roman', 'greek': 'Greek', 'italic': 'Italic', 'script': 'Script', 'cyril': 'Cyrillic',

12
main.py
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@@ -7,7 +7,7 @@ from sys import argv
import hmpparser
import ocxparser
import svggenerator
from dataclasses import Metadata
from local_dataclasses import Metadata
path = os.getcwd()
svgs_folder = os.path.join(os.getcwd(), 'svgs')
@@ -15,12 +15,10 @@ font_forge_path = 'C:\\Program Files (x86)\\FontForgeBuilds\\bin'
def generate_ttf(font_name):
if os.path.isdir(os.path.join(svgs_folder, font_name)):
# Remember that the command must be single-line.
# That is why we use semicolons instead of line breaks.
os.chdir(font_forge_path)
subprocess.run(['fontforge', '-c',
f'import os;os.chdir(r"{path}");import ffimport;ffimport.run(r"{path}", "{font_name}")'])
print('GEN', font_name, path)
# 'gdb', '--args',
subprocess.run([ 'fontforge', '-c', f'import os;os.chdir(r"{path}");import ffimport;ffimport.run(r"{path}", "{font_name}")'])
exit()
if __name__ == '__main__':

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@@ -1,7 +1,7 @@
import os
import re
from dataclasses import Glyph
from local_dataclasses import Glyph
offset = ord('R')

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@@ -1,34 +1,31 @@
import os
import svgwrite
from svgwrite.shapes import Polyline
from svgwrite.path import Path
from dataclasses import Glyph, Metadata
from local_dataclasses import Glyph, Metadata
base = 16
cap = -16
svg_size = 1024
guard = 12
line_style = {'fill': 'none', 'stroke': 'black', 'stroke-width': 0, 'stroke-linecap': 'round',
'stroke-linejoin': 'round'}
def generate(glyph: Glyph, metadata: Metadata):
"""Uses the glyph and the metadata to create the SVGs.
print(f"Generating character '{metadata.character}' for font {metadata.font_name}")
The subfolder is the font name.
The SVG name contains the metadata necessary to import the glyph to the font.
"""
print(f'Generating character \'{metadata.character}\' for font {metadata.font_name}')
# Assumes font folder already exists
font_path = os.path.join(os.getcwd(), 'svgs', metadata.font_name)
left_side_bearing, right_side_bearing = _calculate_bearings(glyph)
svg_filename = f'ascii{str(metadata.ascii_value)}_l{left_side_bearing}_r{right_side_bearing}.svg'
dwg = svgwrite.Drawing(os.path.join(font_path, svg_filename), viewBox=f"0 0 {svg_size} {svg_size}")
dwg = svgwrite.Drawing(
os.path.join(font_path, svg_filename),
viewBox=f"0 0 {svg_size} {svg_size}"
)
points = []
for coordinate in glyph.coordinates:
if coordinate:
x, y = coordinate
@@ -36,20 +33,27 @@ def generate(glyph: Glyph, metadata: Metadata):
y = _map_to_svg(y)
points.append((x, y))
else:
# Pen up
# Always check if line is empty (i.e. points array is empty).
# Empty lines can cause problems.
if points:
dwg.add(Polyline(points, **line_style))
_add_path(dwg, points)
points = []
# Finalize the drawing
if points:
dwg.add(Polyline(points, **line_style))
_add_path(dwg, points)
dwg.save()
def _add_path(dwg, points):
if not points:
return
p = Path()
p.push(f"M {points[0][0]} {points[0][1]}")
for x, y in points[1:]:
p.push(f"L {x} {y}")
dwg.add(p)
def _calculate_bearings(glyph: Glyph):
if glyph.coordinates:
leftmost_point = _map_to_svg(min(coordinate[0] for coordinate in glyph.coordinates if coordinate))
@@ -63,7 +67,4 @@ def _calculate_bearings(glyph: Glyph):
def _map_to_svg(x):
# Scale proportionally (* svg_size / (base - cap))
# Guard to avoid going out of bounds after stroking the character
# Offset, since the SVG starts at zero (+ svg_size / 2)
return x * (svg_size - 2 * guard) / (base - cap) + svg_size / 2