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generate_test_html.py
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generate_test_html.py
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#!/usr/bin/env python3
# Copyright 2015 Google, Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Google Author(s): Doug Felt
from __future__ import print_function
import argparse
import os
import os.path
import re
import sys
from fontTools import ttx
import add_svg_glyphs
def do_generate_test_html(font_basename, pairs, glyph=None, verbosity=1):
header = r"""<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
@font-face { font-family: svgfont; src: url("%s") }
body { font-family: sans-serif; font-size: 24px }
#emoji span { font-family: svgfont, sans-serif }
#panel { font-family: svgfont, sans-serif; font-size: 256px }
#paneltitle { font-family: sans-serif; font-size: 36px }
</style>
<script type="text/javascript">
function hexify(text) {
var surr_offset = 0x10000 - (0xd800 << 10) - 0xdc00
var str = text.trim()
var len = str.length
var result = ""
for (var i = 0; i < len; ++i) {
var cp = str.charCodeAt(i)
if (cp >= 0xd800 && cp < 0xdc00 && i < len - 1) {
ncp = str.charCodeAt(i+1)
if (ncp >= 0xdc00 && ncp < 0xe000) {
cp = (cp << 10) + ncp + surr_offset
++i;
}
}
result += " 0x" + cp.toString(16)
}
return result
};
function showText(event) {
var text = event.target.textContent
var p = document.getElementById('panel')
p.textContent = text
p = document.getElementById('paneltitle')
p.textContent = hexify(text)
};
function setup() {
var t = document.getElementById('emoji')
var tdlist = t.getElementsByTagName('span')
for (var i = 0; i < tdlist.length; ++i) {
var e = tdlist[i]
e.onmouseover = showText
}
};
</script>
</head>"""
body_head = r"""<body onload="setup();">
<p>Test for SVG glyphs in %(font)s. It uses the proposed
<a href="http://lists.w3.org/Archives/Public/public-svgopentype/2013Jul/0003.html">SVG-in-OpenType format</a>.
View using Firefox 26 and later.
<div style="float:left; text-align:center; margin:0 10px; width:40%%">
<div id='panel' style="margin-left:auto; margin-right:auto">%(glyph)s</div>
<div id='paneltitle' style="margin-left:auto; margin-right:auto">%(glyph_hex)s</div>
</div>
<div id='emoji'><p>"""
body_tail = r"""</div>
</body>
</html>
"""
font_name = font_basename + ".woff"
html_name = font_basename + "_test.html"
found_initial_glyph = False
initial_glyph_str = None;
initial_glyph_hex = None;
text_parts = []
for glyphstr, _ in pairs:
name_parts = []
hex_parts = []
for cp in glyphstr:
hex_str = hex(ord(cp))
name_parts.append('&#x%s;' % hex_str[2:])
hex_parts.append(hex_str)
glyph_str = ''.join(name_parts)
if not found_initial_glyph:
if not glyph or glyph_str == glyph:
initial_glyph_str = glyph_str
initial_glyph_hex = ' '.join(hex_parts)
found_initial_glyph = True
elif not initial_glyph_str:
initial_glyph_str = glyph_str
initial_glyph_hex = ' '.join(hex_parts)
text = '<span>%s</span>' % glyph_str
text_parts.append(text)
if verbosity and glyph and not found_initial_glyph:
print("Did not find glyph '%s', using initial glyph '%s'" % (glyph, initial_glyph_str))
elif verbosity > 1 and not glyph:
print("Using initial glyph '%s'" % initial_glyph_str)
lines = [header % font_name]
lines.append(body_head % {'font':font_name, 'glyph':initial_glyph_str,
'glyph_hex':initial_glyph_hex})
lines.extend(text_parts) # we'll end up with space between each emoji
lines.append(body_tail)
output = '\n'.join(lines)
with open(html_name, 'w') as fp:
fp.write(output)
if verbosity:
print('Wrote ' + html_name)
def do_generate_fonts(template_file, font_basename, pairs, reuse=0, verbosity=1):
out_woff = font_basename + '.woff'
if reuse > 1 and os.path.isfile(out_woff) and os.access(out_woff, os.R_OK):
if verbosity:
print('Reusing ' + out_woff)
return
out_ttx = font_basename + '.ttx'
if reuse == 0:
add_svg_glyphs.add_image_glyphs(template_file, out_ttx, pairs, verbosity=verbosity)
elif verbosity:
print('Reusing ' + out_ttx)
quiet=verbosity < 2
font = ttx.TTFont(flavor='woff', quiet=quiet)
font.importXML(out_ttx, quiet=quiet)
font.save(out_woff)
if verbosity:
print('Wrote ' + out_woff)
def main(argv):
usage = """This will search for files that have image_prefix followed by one or more
hex numbers (separated by underscore if more than one), and end in ".svg".
For example, if image_prefix is "icons/u", then files with names like
"icons/u1F4A9.svg" or "icons/u1F1EF_1F1F5.svg" will be found. It generates
an SVG font from this, converts it to woff, and also generates an html test
page containing text for all the SVG glyphs."""
parser = argparse.ArgumentParser(
description='Generate font and html test file.', epilog=usage)
parser.add_argument('template_file', help='name of template .ttx file')
parser.add_argument('image_prefix', help='location and prefix of image files')
parser.add_argument('-i', '--include', help='include files whoses name matches this regex')
parser.add_argument('-e', '--exclude', help='exclude files whose name matches this regex')
parser.add_argument('-o', '--out_basename', help='base name of (ttx, woff, html) files to generate, '
'defaults to the template base name')
parser.add_argument('-g', '--glyph', help='set the initial glyph text (html encoded string), '
'defaults to first glyph')
parser.add_argument('-rt', '--reuse_ttx_font', dest='reuse_font', help='use existing ttx font',
default=0, const=1, action='store_const')
parser.add_argument('-r', '--reuse_font', dest='reuse_font', help='use existing woff font',
const=2, action='store_const')
parser.add_argument('-q', '--quiet', dest='v', help='quiet operation', default=1,
action='store_const', const=0)
parser.add_argument('-v', '--verbose', dest='v', help='verbose operation',
action='store_const', const=2)
args = parser.parse_args(argv)
pairs = add_svg_glyphs.collect_glyphstr_file_pairs(
args.image_prefix, 'svg', include=args.include, exclude=args.exclude, verbosity=args.v)
add_svg_glyphs.sort_glyphstr_tuples(pairs)
out_basename = args.out_basename
if not out_basename:
out_basename = args.template_file.split('.')[0] # exclude e.g. '.tmpl.ttx'
if args.v:
print("Output basename is %s." % out_basename)
do_generate_fonts(args.template_file, out_basename, pairs, reuse=args.reuse_font, verbosity=args.v)
do_generate_test_html(out_basename, pairs, glyph=args.glyph, verbosity=args.v)
if __name__ == '__main__':
main(sys.argv[1:])