我有一组名为32.png,..,126.png
手写字母的图像,这些字母与文件名中数字的 ASCII 可打印字符有关,我打算将它们转换为字体文件,这样.ttf
我就可以用它键入(基本)乳胶字母。
在查看了项目描述的文档和fonttools 的文档之后,我还无法确定如何将这些图像转换为.ttf
python 中的字体文件。
看来我可以将.png
图像转换为.svg
格式,因为字体工具通常用于字体矢量,但我没有找到输出字体文件的方法。因此我想问:
如何将一组图像( 或.png
)转换.svg
为.ttf
python 中的字体?
../FontForgeBuilds/bin
文件夹添加到路径后,Anaconda 无法识别该fontforge
模块,因为它会抛出错误:
ModuleNotFoundError: No module named 'fontforge'
在将文件转换为文件的脚本.svg
.ttf
中。svgs2ttf
使用命令调用指定的脚本:python svgs2ttf.py examples/example.json
。
import sys
import os.path
import json
import fontforge
#python svgs2ttf.py examples/example.json
IMPORT_OPTIONS = ('removeoverlap', 'correctdir')
try:
unicode
except NameError:
unicode = str
def loadConfig(filename='font.json'):
with open(filename) as f:
return json.load(f)
def setProperties(font, config):
props = config['props']
lang = props.pop('lang', 'English (US)')
family = props.pop('family', None)
style = props.pop('style', 'Regular')
props['encoding'] = props.get('encoding', 'UnicodeFull')
if family is not None:
font.familyname = family
font.fontname = family + '-' + style
font.fullname = family + ' ' + style
for k, v in config['props'].items():
if hasattr(font, k):
if isinstance(v, list):
v = tuple(v)
setattr(font, k, v)
else:
font.appendSFNTName(lang, k, v)
for t in config.get('sfnt_names', []):
font.appendSFNTName(str(t[0]), str(t[1]), unicode(t[2]))
def addGlyphs(font, config):
for k, v in config['glyphs'].items():
g = font.createMappedChar(int(k, 0))
# Get outlines
src = '%s.svg' % k
if not isinstance(v, dict):
v = {'src': v or src}
src = '%s%s%s' % (config.get('input', '.'), os.path.sep, v.pop('src', src))
g.importOutlines(src, IMPORT_OPTIONS)
g.removeOverlap()
# Copy attributes
for k2, v2 in v.items():
if hasattr(g, k2):
if isinstance(v2, list):
v2 = tuple(v2)
setattr(g, k2, v2)
def main(config_file):
config = loadConfig(config_file)
os.chdir(os.path.dirname(config_file) or '.')
font = fontforge.font()
setProperties(font, config)
addGlyphs(font, config)
for outfile in config['output']:
sys.stderr.write('Generating %s...\n' % outfile)
font.generate(outfile)
if __name__ == '__main__':
if len(sys.argv) > 1:
main(sys.argv[1])
else:
sys.stderr.write("\nUsage: %s something.json\n" % sys.argv[0] )
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FontForge 不是一个 python 模块,而是一个独立的软件。因此,我们可以从 fontforge 可执行文件中调用 python,而不是从 python 脚本中调用 FontForge。由于我想.ttf
从 python 脚本创建格式的字体,因此我编写了一个名为的附加 python 脚本execute.py
,该脚本执行一个cmd
命令,该命令执行执行 pythonsvgs2ttf
脚本的 fontforge。
其中execute.py
包含:
import os
os.system('cmd /k "fontforge -lang=py -script svgs2ttf examples/example.json"')
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从此存储库svgs2ttf
修改的脚本包含:
# one can run this script with:
#fontforge -lang=py -script svgs2ttf examples/example.json
import sys
import os.path
import json
import fontforge
IMPORT_OPTIONS = ('removeoverlap', 'correctdir')
try:
unicode
except NameError:
unicode = str
def loadConfig(filename='font.json'):
with open(filename) as f:
return json.load(f)
def setProperties(font, config):
props = config['props']
lang = props.pop('lang', 'English (US)')
family = props.pop('family', None)
style = props.pop('style', 'Regular')
props['encoding'] = props.get('encoding', 'UnicodeFull')
if family is not None:
font.familyname = family
font.fontname = family + '-' + style
font.fullname = family + ' ' + style
for k, v in config['props'].items():
if hasattr(font, k):
if isinstance(v, list):
v = tuple(v)
setattr(font, k, v)
else:
font.appendSFNTName(lang, k, v)
for t in config.get('sfnt_names', []):
font.appendSFNTName(str(t[0]), str(t[1]), unicode(t[2]))
def addGlyphs(font, config):
for k, v in config['glyphs'].items():
g = font.createMappedChar(int(k, 0))
# Get outlines
src = '%s.svg' % k
if not isinstance(v, dict):
v = {'src': v or src}
src = '%s%s%s' % (config.get('input', '.'), os.path.sep, v.pop('src', src))
g.importOutlines(src, IMPORT_OPTIONS)
g.removeOverlap()
# Copy attributes
for k2, v2 in v.items():
if hasattr(g, k2):
if isinstance(v2, list):
v2 = tuple(v2)
setattr(g, k2, v2)
def main(config_file):
config = loadConfig(config_file)
os.chdir(os.path.dirname(config_file) or '.')
font = fontforge.font()
setProperties(font, config)
addGlyphs(font, config)
for outfile in config['output']:
sys.stderr.write('Generating %s...\n' % outfile)
font.generate(outfile)
if __name__ == '__main__':
if len(sys.argv) > 1:
main(sys.argv[1])
else:
sys.stderr.write("\nUsage: %s something.json\n" % sys.argv[0] )
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可以增强它以转换比存储库文件夹中的符号更多的符号a
,以包含所有符号图像以生成字体b
。examples
针对评论,现回复如下example.json
:
{ "props":
{ "ascent": 96
, "descent": 32
, "em": 128
, "encoding": "UnicodeFull"
, "lang": "English (US)"
, "family": "Example"
, "style": "Regular"
, "familyname": "Example"
, "fontname": "Example-Regular"
, "fullname": "Example Regular"
}
, "glyphs":
{ "0x3f": { "src": "question.svg", "width": 128 }
, "0xab": { "src": "back.svg", "width": 128 }
, "0x263a": ""
, "0x2723": "overlap-test.svg"
, "0x1f304": "outline-test.svg"
}
, "sfnt_names":
[ ["English (US)", "Copyright", "Copyright (c) 2014 by Nobody"]
, ["English (US)", "Family", "Example"]
, ["English (US)", "SubFamily", "Regular"]
, ["English (US)", "UniqueID", "Example 2014-12-04"]
, ["English (US)", "Fullname", "Example Regular"]
, ["English (US)", "Version", "Version 001.000"]
, ["English (US)", "PostScriptName", "Example-Regular"]
]
, "input": "."
, "output": [ "example.ttf", "example.svg", "example.woff" ]
, "# vim: set et sw=2 ts=2 sts=2:": false
}
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