Mercurial > hg > orthanc
annotate Resources/Fonts/GenerateFont.py @ 3802:6462ecaa045b
fix unit test, reorganization of OpenSSL initialization
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 02 Apr 2020 12:54:45 +0200 |
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1 #!/usr/bin/python |
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2 |
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3 # Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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5 # Department, University Hospital of Liege, Belgium |
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6 # Copyright (C) 2017-2020 Osimis S.A., Belgium |
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7 # |
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8 # This program is free software: you can redistribute it and/or |
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9 # modify it under the terms of the GNU General Public License as |
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10 # published by the Free Software Foundation, either version 3 of the |
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11 # License, or (at your option) any later version. |
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12 # |
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13 # In addition, as a special exception, the copyright holders of this |
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14 # program give permission to link the code of its release with the |
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15 # OpenSSL project's "OpenSSL" library (or with modified versions of it |
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16 # that use the same license as the "OpenSSL" library), and distribute |
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17 # the linked executables. You must obey the GNU General Public License |
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18 # in all respects for all of the code used other than "OpenSSL". If you |
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19 # modify file(s) with this exception, you may extend this exception to |
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20 # your version of the file(s), but you are not obligated to do so. If |
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21 # you do not wish to do so, delete this exception statement from your |
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22 # version. If you delete this exception statement from all source files |
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23 # in the program, then also delete it here. |
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24 # |
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25 # This program is distributed in the hope that it will be useful, but |
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26 # WITHOUT ANY WARRANTY; without even the implied warranty of |
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27 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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28 # General Public License for more details. |
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29 # |
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30 # You should have received a copy of the GNU General Public License |
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31 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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32 |
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33 |
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34 |
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35 |
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36 # sudo pip install freetype-py |
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37 |
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38 |
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39 |
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40 import freetype |
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41 import json |
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42 import os |
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43 import sys |
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44 import unicodedata |
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45 |
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46 |
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47 if len(sys.argv) != 3: |
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48 print('Usage: %s <Font> <Size>\n' % sys.argv[0]) |
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49 print('Example: %s /usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf 16\n' % sys.argv[0]) |
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50 sys.exit(-1) |
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51 |
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52 |
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53 |
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54 FONT = sys.argv[1] |
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55 PIXEL_SIZE = int(sys.argv[2]) |
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56 CHARSET = 'latin-1' |
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57 |
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58 |
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59 # Load the font |
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60 face = freetype.Face(FONT) |
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61 face.set_char_size(PIXEL_SIZE * 64) |
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62 |
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63 # Generate all the characters between 0 and 255 |
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64 characters = ''.join(map(chr, range(0, 256))) |
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65 |
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66 # Interpret the string using the required charset |
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67 characters = characters.decode(CHARSET, 'ignore') |
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68 |
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69 # Keep only non-control characters |
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70 characters = filter(lambda c: unicodedata.category(c)[0] != 'C', characters) |
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71 |
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72 font = { |
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73 'Name' : os.path.basename(FONT), |
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74 'Size' : PIXEL_SIZE, |
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75 'Characters' : {} |
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76 } |
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77 |
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78 |
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79 def PrintCharacter(c): |
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80 pos = 0 |
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81 for i in range(c['Height']): |
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82 s = '' |
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83 for j in range(c['Width']): |
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84 if c['Bitmap'][pos] > 127: |
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85 s += '*' |
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86 else: |
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87 s += ' ' |
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88 pos += 1 |
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89 print s |
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90 |
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91 |
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92 for c in characters: |
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93 face.load_char(c) |
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94 |
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95 info = { |
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96 'Width' : face.glyph.bitmap.width, |
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97 'Height' : face.glyph.bitmap.rows, |
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98 'Advance' : face.glyph.metrics.horiAdvance / 64, |
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99 'Top' : -face.glyph.metrics.horiBearingY / 64, |
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100 'Bitmap' : face.glyph.bitmap.buffer, |
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101 } |
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102 |
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103 font['Characters'][ord(c)] = info |
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104 |
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105 #PrintCharacter(info) |
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106 |
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107 minTop = min(map(lambda (k, v): v['Top'], font['Characters'].iteritems())) |
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108 for c in font['Characters']: |
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109 font['Characters'][c]['Top'] -= minTop |
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110 |
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111 font['MaxAdvance'] = max(map(lambda (k, v): v['Advance'], font['Characters'].iteritems())) |
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112 font['MaxHeight'] = max(map(lambda (k, v): v['Height'], font['Characters'].iteritems())) |
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113 |
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114 print json.dumps(font) |