Mercurial > hg > orthanc
annotate OrthancServer/Resources/Fonts/GenerateFont.py @ 5760:29af9fc796d2 large-queries tip
closing large-queries branch
author | Alain Mazy <am@orthanc.team> |
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date | Thu, 05 Sep 2024 18:57:15 +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) 2017-2023 Osimis S.A., Belgium |
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7 # Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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8 # Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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9 # |
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10 # This program is free software: you can redistribute it and/or |
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11 # modify it under the terms of the GNU General Public License as |
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12 # published by the Free Software Foundation, either version 3 of the |
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13 # License, or (at your option) any later version. |
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14 # |
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15 # This program is distributed in the hope that it will be useful, but |
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16 # WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 # General Public License for more details. |
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19 # |
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20 # You should have received a copy of the GNU General Public License |
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21 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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22 |
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23 |
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24 |
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25 # sudo pip install freetype-py |
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26 |
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27 |
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28 |
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29 import freetype |
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30 import json |
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31 import os |
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32 import sys |
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33 import unicodedata |
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34 |
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35 |
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36 if len(sys.argv) != 3: |
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37 print('Usage: %s <Font> <Size>\n' % sys.argv[0]) |
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38 print('Example: %s /usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf 16\n' % sys.argv[0]) |
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39 sys.exit(-1) |
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40 |
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41 |
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42 |
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43 FONT = sys.argv[1] |
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44 PIXEL_SIZE = int(sys.argv[2]) |
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45 CHARSET = 'latin-1' |
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46 |
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47 |
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48 # Load the font |
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49 face = freetype.Face(FONT) |
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50 face.set_char_size(PIXEL_SIZE * 64) |
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51 |
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52 # Generate all the characters between 0 and 255 |
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53 characters = ''.join(map(chr, range(0, 256))) |
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54 |
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55 # Interpret the string using the required charset |
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56 characters = characters.decode(CHARSET, 'ignore') |
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57 |
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58 # Keep only non-control characters |
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59 characters = filter(lambda c: unicodedata.category(c)[0] != 'C', characters) |
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60 |
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61 font = { |
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62 'Name' : os.path.basename(FONT), |
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63 'Size' : PIXEL_SIZE, |
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64 'Characters' : {} |
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65 } |
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66 |
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67 |
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68 def PrintCharacter(c): |
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69 pos = 0 |
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70 for i in range(c['Height']): |
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71 s = '' |
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72 for j in range(c['Width']): |
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73 if c['Bitmap'][pos] > 127: |
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74 s += '*' |
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75 else: |
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76 s += ' ' |
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77 pos += 1 |
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78 print s |
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79 |
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80 |
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81 for c in characters: |
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82 face.load_char(c) |
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83 |
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84 info = { |
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85 'Width' : face.glyph.bitmap.width, |
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86 'Height' : face.glyph.bitmap.rows, |
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87 'Advance' : face.glyph.metrics.horiAdvance / 64, |
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88 'Top' : -face.glyph.metrics.horiBearingY / 64, |
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89 'Bitmap' : face.glyph.bitmap.buffer, |
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90 } |
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91 |
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92 font['Characters'][ord(c)] = info |
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93 |
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94 #PrintCharacter(info) |
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95 |
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96 minTop = min(map(lambda (k, v): v['Top'], font['Characters'].iteritems())) |
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97 for c in font['Characters']: |
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98 font['Characters'][c]['Top'] -= minTop |
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99 |
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100 font['MaxAdvance'] = max(map(lambda (k, v): v['Advance'], font['Characters'].iteritems())) |
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101 font['MaxHeight'] = max(map(lambda (k, v): v['Height'], font['Characters'].iteritems())) |
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102 |
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103 print json.dumps(font) |