diff options
Diffstat (limited to 'debian/ionicons/generate.py')
| -rw-r--r-- | debian/ionicons/generate.py | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/debian/ionicons/generate.py b/debian/ionicons/generate.py new file mode 100644 index 0000000..ffefdf0 --- /dev/null +++ b/debian/ionicons/generate.py @@ -0,0 +1,133 @@ +# Based on https://github.com/FontCustom/fontcustom/blob/master/lib/fontcustom/scripts/generate.py + +import fontforge +import os +import sys +import json +import re +from subprocess import call +from distutils.spawn import find_executable + +args = json.load(sys.stdin) + +f = fontforge.font() +f.encoding = 'UnicodeFull' +f.copyright = '' +f.design_size = 16 +f.em = args['fontHeight'] +f.descent = args['descent'] +f.ascent = args['fontHeight'] - args['descent'] +if args['version']: + f.version = args['version'] +if args['normalize']: + f.autoWidth(0, 0, args['fontHeight']) + +KERNING = 15 + + +def create_empty_char(f, c): + pen = f.createChar(ord(c), c).glyphPen() + pen.moveTo((0, 0)) + pen = None + + +if args['addLigatures']: + f.addLookup('liga', 'gsub_ligature', (), (('liga', (('latn', ('dflt')), )), )) + f.addLookupSubtable('liga', 'liga') + +for dirname, dirnames, filenames in os.walk(args['inputDir']): + for filename in sorted(filenames): + name, ext = os.path.splitext(filename) + filePath = os.path.join(dirname, filename) + size = os.path.getsize(filePath) + + if ext in ['.svg']: + # HACK: Remove <switch> </switch> tags + svgfile = open(filePath, 'r+') + svgtext = svgfile.read() + svgfile.seek(0) + + # Replace the <switch> </switch> tags with nothing + svgtext = svgtext.replace('<switch>', '') + svgtext = svgtext.replace('</switch>', '') + + if args['normalize']: + # Replace the width and the height + svgtext = re.sub(r'(<svg[^>]*)width="[^"]*"([^>]*>)', r'\1\2', svgtext) + svgtext = re.sub(r'(<svg[^>]*)height="[^"]*"([^>]*>)', r'\1\2', svgtext) + + # Remove all contents of file so that we can write out the new contents + svgfile.truncate() + svgfile.write(svgtext) + svgfile.close() + + cp = args['codepoints'][name] + + if args['addLigatures']: + name = str(name) # Convert Unicode to a regular string because addPosSub doesn't work with Unicode + for char in name: + create_empty_char(f, char) + glyph = f.createChar(cp, name) + glyph.addPosSub('liga', tuple(name)) + else: + glyph = f.createChar(cp, str(name)) + glyph.importOutlines(filePath) + + if args['normalize']: + glyph.left_side_bearing = glyph.right_side_bearing = 0 + else: + glyph.width = args['fontHeight'] + + if args['round']: + glyph.round(int(args['round'])) + +fontfile = args['dest'] + os.path.sep + args['fontFilename'] + +f.fontname = args['fontFilename'] +f.familyname = args['fontFamilyName'] +f.fullname = args['fontFamilyName'] + +if args['addLigatures']: + def generate(filename): + f.generate(filename, flags=('opentype')) +else: + def generate(filename): + f.generate(filename) + + +# TTF +generate(fontfile + '.ttf') + +# Hint the TTF file +# ttfautohint is optional +if (find_executable('ttfautohint') and args['autoHint']): + call('ttfautohint --symbol --fallback-script=latn --no-info "%(font)s.ttf" "%(font)s-hinted.ttf" && mv "%(font)s-hinted.ttf" "%(font)s.ttf"' % {'font': fontfile}, shell=True) + f = fontforge.open(fontfile + '.ttf') + +# SVG +if 'svg' in args['types']: + generate(fontfile + '.svg') + + # Fix SVG header for webkit (from: https://github.com/fontello/font-builder/blob/master/bin/fontconvert.py) + svgfile = open(fontfile + '.svg', 'r+') + svgtext = svgfile.read() + svgfile.seek(0) + svgfile.write(svgtext.replace('<svg>', '<svg xmlns="http://www.w3.org/2000/svg">')) + svgfile.close() + +scriptPath = os.path.dirname(os.path.realpath(__file__)) + +# WOFF +if 'woff' in args['types']: + generate(fontfile + '.woff') + +# EOT +if 'eot' in args['types']: + # eotlitetool.py script to generate IE7-compatible .eot fonts + call('python "%(path)s/../../bin/eotlitetool.py" "%(font)s.ttf" --output "%(font)s.eot"' % {'path': scriptPath, 'font': fontfile}, shell=True) + +# Delete TTF if not needed +if (not 'ttf' in args['types']) and (not 'woff2' in args['types']): + os.remove(fontfile + '.ttf') + +print(json.dumps({'file': fontfile})) |