Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/scripts/makesubset.py @ 41:71bcc18e306f

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MERGE: New upstream PyMuPDF v1.26.5 including MuPDF v1.26.10 BUGS: Needs some additional changes yet. Not yet tested.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 15:24:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 #!/usr/bin/env python3
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2
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3 # Convert MES-2 (or WGL4) character set to list of glyphs for font subsetting.
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4 # Also add small-caps glyph names for small letters and ligatures.
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5
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6 import sys
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7
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8 glyphs = {}
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9 for line in open("scripts/glyphlist.txt").readlines():
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10 if len(line) > 0 and line[0] != '#':
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11 n, u = line.rstrip().split(';')
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12 if len(u) == 4:
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13 u = int(u, base=16)
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14 if u >= 0x0000 and u <= 0x001F: continue # control block 1
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15 if u >= 0x007F and u <= 0x009F: continue # control block 2
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16 if u >= 0x2500 and u <= 0x25FF: continue # Box Drawing, Block Elements, Geometric Shapes
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17 if u not in glyphs:
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18 glyphs[u] = [n]
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19 else:
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20 glyphs[u].append(n)
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21
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22 # Ligatures are mapped to 'fi' and 'fl'; we also want them using the 'f_i' convention.
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23
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24 table = {}
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25 do_small = False
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27 def load_table(fn):
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28 for line in open(fn).readlines():
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29 is_small = ('SMALL LETTER' in line) or ('SMALL LIGATURE' in line)
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30 u = int(line.split()[0], 16)
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31 if u in glyphs:
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32 for n in glyphs[u]:
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33 table[n] = u
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34 if do_small and is_small:
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35 table[n+'.sc'] = u
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36 if u >= 128:
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37 table['uni%04X'%u] = u
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38 if do_small and is_small:
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39 table['uni%04X.sc'%u] = u
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40
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41 def load_ligs():
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42 table['ff'] = 0xFB00
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43 table['fi'] = 0xFB01
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44 table['fl'] = 0xFB02
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45 table['ffi'] = 0xFB03
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46 table['ffl'] = 0xFB04
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47 if do_small:
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48 table['f_f.sc'] = 0xFB00
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49 table['f_i.sc'] = 0xFB01
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50 table['f_l.sc'] = 0xFB02
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51 table['f_f_i.sc'] = 0xFB03
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52 table['f_f_l.sc'] = 0xFB04
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53
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54 if len(sys.argv) < 2:
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55 print('usage: python3 scripts/makesubset.py scripts/MES-2.TXT', file=sys.stderr)
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56 else:
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57 for input in sys.argv[1:]:
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58 if input == '-sc':
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59 do_small = True
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60 elif input == '-lig':
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61 load_ligs()
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62 else:
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63 load_table(input)
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64
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65 if len(sys.argv) > 2 and sys.argv[2] == '-scdump':
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66 smcp = []
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67 for n in list(table.keys()):
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68 u = table[n]
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69 if u > 0 and n.endswith('.sc') and not n.startswith('uni'):
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70 smcp.append('{0x%04X, "%s"},' % (u,n))
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71 smcp.sort()
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72 print('\n\t'.join(smcp))
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73 else:
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74 list = list(table.keys())
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75 list.sort()
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76 print(','.join(list))