Mercurial > hg > orthanc
diff Resources/Fonts/GenerateFont.py @ 1610:2dff2bdffdb8
font support within Orthanc
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 04 Sep 2015 13:44:21 +0200 |
parents | |
children | b1291df2f780 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Resources/Fonts/GenerateFont.py Fri Sep 04 13:44:21 2015 +0200 @@ -0,0 +1,113 @@ +#!/usr/bin/python + +# Orthanc - A Lightweight, RESTful DICOM Store +# Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics +# Department, University Hospital of Liege, Belgium +# +# This program is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# In addition, as a special exception, the copyright holders of this +# program give permission to link the code of its release with the +# OpenSSL project's "OpenSSL" library (or with modified versions of it +# that use the same license as the "OpenSSL" library), and distribute +# the linked executables. You must obey the GNU General Public License +# in all respects for all of the code used other than "OpenSSL". If you +# modify file(s) with this exception, you may extend this exception to +# your version of the file(s), but you are not obligated to do so. If +# you do not wish to do so, delete this exception statement from your +# version. If you delete this exception statement from all source files +# in the program, then also delete it here. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + + + +# sudo pip install freetype-py + + + +import freetype +import json +import os +import sys +import unicodedata + + +if len(sys.argv) != 3: + print('Usage: %s <Font> <Size>\n' % sys.argv[0]) + print('Example: %s /usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf 16\n' % sys.argv[0]) + sys.exit(-1) + + + +FONT = sys.argv[1] +PIXEL_SIZE = int(sys.argv[2]) +CHARSET = 'latin-1' + + +# Load the font +face = freetype.Face(FONT) +face.set_char_size(PIXEL_SIZE * 64) + +# Generate all the characters between 0 and 255 +characters = ''.join(map(chr, range(0, 256))) + +# Interpret the string using the required charset +characters = characters.decode(CHARSET, 'ignore') + +# Keep only non-control characters +characters = filter(lambda c: unicodedata.category(c)[0] != 'C', characters) + +font = { + 'Name' : os.path.basename(FONT), + 'Size' : PIXEL_SIZE, + 'Characters' : {} +} + + +def PrintCharacter(c): + pos = 0 + for i in range(c['Height']): + s = '' + for j in range(c['Width']): + if c['Bitmap'][pos] > 127: + s += '*' + else: + s += ' ' + pos += 1 + print s + + +for c in characters: + face.load_char(c) + + info = { + 'Width' : face.glyph.bitmap.width, + 'Height' : face.glyph.bitmap.rows, + 'Advance' : face.glyph.metrics.horiAdvance / 64, + 'Top' : -face.glyph.metrics.horiBearingY / 64, + 'Bitmap' : face.glyph.bitmap.buffer, + } + + font['Characters'][ord(c)] = info + + #PrintCharacter(info) + +minTop = min(map(lambda (k, v): v['Top'], font['Characters'].iteritems())) +for c in font['Characters']: + font['Characters'][c]['Top'] -= minTop + +font['MaxAdvance'] = max(map(lambda (k, v): v['Advance'], font['Characters'].iteritems())) +font['MaxHeight'] = max(map(lambda (k, v): v['Height'], font['Characters'].iteritems())) + +print json.dumps(font)