Mercurial > hg > orthanc

annotate OrthancServer/Resources/Fonts/GenerateFont.py @ 5677:dc96401dbe88 find-refactoring tip

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starting the refactoring of /tools/find
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 08 Jul 2024 19:03:23 +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
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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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24
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25 # sudo pip install freetype-py
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26
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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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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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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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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)