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speed up mono build and CN base font instantiation

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This commit is contained in:
subframe7536 2025-02-19 23:05:18 +08:00
parent c479ad0ff8
commit ea1dcb4cfc
1 changed files with 50 additions and 22 deletions
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72
build.py
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@ -509,7 +509,11 @@ class BuildOption:
and listdir(self.cn_variable_dir).__len__() == 2
):
print("No static CN fonts but detect CN base fonts")
instantiate_cn_base(self.cn_variable_dir, self.cn_static_dir)
instantiate_cn_base(
cn_variable_dir=self.cn_variable_dir,
cn_static_dir=self.cn_static_dir,
pool_size=config.pool_size,
)
return True
result = download_cn_base_font(
@ -519,7 +523,11 @@ class BuildOption:
github_mirror=self.github_mirror,
)
if result:
instantiate_cn_base(self.cn_variable_dir, self.cn_static_dir)
instantiate_cn_base(
cn_variable_dir=self.cn_variable_dir,
cn_static_dir=self.cn_static_dir,
pool_size=config.pool_size,
)
return True
print("\nCN base fonts don't exist. Skip CN build.")
@ -547,19 +555,38 @@ def handle_ligatures(
)
def instantiate_cn_base(cn_variable_dir: str, cn_static_dir: str):
def instantiate_cn_var(f: str, base_dir: str, output_dir: str):
run(
f"ftcli converter vf2i -out {output_dir} {joinPaths(base_dir, f)}",
log=True,
)
def optimize_cn_base(f: str, base_dir: str):
font_path = joinPaths(base_dir, f)
print(f"✨ Optimize {font_path}")
run(f"ftcli ttf fix-contours {font_path}")
run(f"ftcli ttf remove-overlaps {font_path}")
run(
f"ftcli utils del-table -t kern -t GPOS {font_path}",
)
def instantiate_cn_base(cn_variable_dir: str, cn_static_dir: str, pool_size: int):
print("=========================================")
print("Instantiating CN Base font, be patient...")
print("=========================================")
run(
f"ftcli converter vf2i {cn_variable_dir} -out {cn_static_dir}",
log=True,
run_build(
pool_size=pool_size,
fn=partial(
instantiate_cn_var, base_dir=cn_variable_dir, output_dir=cn_static_dir
),
dir=cn_variable_dir,
)
run(f"ftcli ttf fix-contours {cn_static_dir}", log=True)
run(f"ftcli ttf remove-overlaps {cn_static_dir}", log=True)
run(
f"ftcli utils del-table -t kern -t GPOS {cn_static_dir}",
log=True,
run_build(
pool_size=pool_size,
fn=partial(optimize_cn_base, base_dir=cn_static_dir),
dir=cn_static_dir,
)
@ -736,6 +763,17 @@ def add_gasp(font: TTFont):
def build_mono(f: str, font_config: FontConfig, build_option: BuildOption):
print(f"👉 Minimal version for {f}")
source_path = joinPaths(build_option.output_ttf, f)
run(f"ftcli fix italic-angle {source_path}")
run(f"ftcli fix monospace {source_path}")
run(f"ftcli fix strip-names {source_path}")
if font_config.debug:
run(f"ftcli ttf dehint {source_path}")
else:
# dehint, remove overlap and fix contours
run(f"ftcli ttf fix-contours --silent {source_path}")
font = TTFont(source_path)
style_compact = f.split("-")[-1].split(".")[0]
@ -1120,18 +1158,8 @@ def main():
run(f"ftcli fix monospace {build_option.output_variable}")
print("Instantiate TTF")
run(
f"ftcli converter vf2i {build_option.output_variable} -out {build_option.output_ttf}"
f"ftcli converter vf2i -out {build_option.output_ttf} {build_option.output_variable}"
)
print("Fix static TTF")
run(f"ftcli fix italic-angle {build_option.output_ttf}")
run(f"ftcli fix monospace {build_option.output_ttf}")
run(f"ftcli fix strip-names {build_option.output_ttf}")
if font_config.debug:
run(f"ftcli ttf dehint {build_option.output_ttf}")
else:
# dehint, remove overlap and fix contours
run(f"ftcli ttf fix-contours --silent {build_option.output_ttf}")
_build_mono = partial(
build_mono, font_config=font_config, build_option=build_option