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Add a new --license-allows-edit parameter to open protected font files #107

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Add a new --license-allows-edit parameter to open protected font files #107

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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,8 @@ The font weight will be inherited from the original file; the font name will be

`ligatures.py` supports some additional command line options to (e.g.) change which font ligatures are copied from or enable copying of individual character glyphs; run `fontforge -lang=py ligaturize.py --help` to list them.

Pass `--license-allows-edit` if the font file is protected and you own a license that allows you to edit it.

## Misc. ##
### Credit ###
This script was originally written by [IlyaSkriblovsky](https://github.com/IlyaSkriblovsky) for adding ligatures to DejaVuSans Mono ([dv-code-font](https://github.com/IlyaSkriblovsky/dv-code-font)). [Navid Rojiani](https://github.com/rojiani) made a few changes to generalize the script so that it works for any font. [ToxicFrog](https://github.com/ToxicFrog) has made a large number of contributions.
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4 changes: 2 additions & 2 deletions build.py
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Expand Up @@ -107,7 +107,7 @@
ligaturize_font(
input_file, ligature_font_file=None, output_dir=OUTPUT_DIR,
prefix=LIGATURIZED_FONT_NAME_PREFIX, output_name=None,
copy_character_glyphs=COPY_CHARACTER_GLYPHS,
license_allows_edit=False, copy_character_glyphs=COPY_CHARACTER_GLYPHS,
scale_character_glyphs_threshold=SCALE_CHARACTER_GLYPHS_THRESHOLD)

for pattern,name in renamed_fonts.items():
Expand All @@ -118,6 +118,6 @@
for input_file in files:
ligaturize_font(
input_file, ligature_font_file=None, output_dir=OUTPUT_DIR,
prefix=None, output_name=name,
prefix=None, output_name=name, license_allows_edit=False,
copy_character_glyphs=COPY_CHARACTER_GLYPHS,
scale_character_glyphs_threshold=SCALE_CHARACTER_GLYPHS_THRESHOLD)
9 changes: 7 additions & 2 deletions ligaturize.py
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Expand Up @@ -248,8 +248,9 @@ def update_font_metadata(font, new_name):
replace_sfnt(font, 'WWS Family', new_name)

def ligaturize_font(input_font_file, output_dir, ligature_font_file,
output_name, prefix, **kwargs):
font = fontforge.open(input_font_file)
output_name, prefix, license_allows_edit, **kwargs):
fontforge_open_flags = 1 if license_allows_edit else 0 # 1 = fstypepermitted
font = fontforge.open(input_font_file, fontforge_open_flags)

if not ligature_font_file:
ligature_font_file = get_ligature_source(font.fontname)
Expand Down Expand Up @@ -327,6 +328,10 @@ def parse_args():
parser.add_argument("--output-name",
type=str, default="",
help="Name of the generated font. Completely replaces the original.")
parser.add_argument("--license-allows-edit",
default=False, action="store_true",
help="The user has the appropriate license to examine the font no matter"
"what the fstype setting is.")
return parser.parse_args()

def main():
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