diff Resources/Fonts/GenerateFont.py @ 1610:2dff2bdffdb8

font support within Orthanc
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 04 Sep 2015 13:44:21 +0200
parents
children b1291df2f780
line wrap: on
line diff
--- /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)