Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/fontTools/ttLib/tables/_l_o_c_a.py: 27%

1from . import DefaultTable 

2import sys 

3import array 

4import logging 

5 

6 

7log = logging.getLogger(__name__) 

8 

9 

10class table__l_o_c_a(DefaultTable.DefaultTable): 

11 

12 dependencies = ["glyf"] 

13 

14 def decompile(self, data, ttFont): 

15 longFormat = ttFont["head"].indexToLocFormat 

16 if longFormat: 

17 format = "I" 

18 else: 

19 format = "H" 

20 locations = array.array(format) 

21 locations.frombytes(data) 

22 if sys.byteorder != "big": 

23 locations.byteswap() 

24 if not longFormat: 

25 l = array.array("I") 

26 for i in range(len(locations)): 

27 l.append(locations[i] * 2) 

28 locations = l 

29 if len(locations) < (ttFont["maxp"].numGlyphs + 1): 

30 log.warning( 

31 "corrupt 'loca' table, or wrong numGlyphs in 'maxp': %d %d", 

32 len(locations) - 1, 

33 ttFont["maxp"].numGlyphs, 

34 ) 

35 self.locations = locations 

36 

37 def compile(self, ttFont): 

38 try: 

39 max_location = max(self.locations) 

40 except AttributeError: 

41 self.set([]) 

42 max_location = 0 

43 if max_location < 0x20000 and all(l % 2 == 0 for l in self.locations): 

44 locations = array.array("H") 

45 for i in range(len(self.locations)): 

46 locations.append(self.locations[i] // 2) 

47 ttFont["head"].indexToLocFormat = 0 

48 else: 

49 locations = array.array("I", self.locations) 

50 ttFont["head"].indexToLocFormat = 1 

51 if sys.byteorder != "big": 

52 locations.byteswap() 

53 return locations.tobytes() 

54 

55 def set(self, locations): 

56 self.locations = array.array("I", locations) 

57 

58 def toXML(self, writer, ttFont): 

59 writer.comment("The 'loca' table will be calculated by the compiler") 

60 writer.newline() 

61 

62 def __getitem__(self, index): 

63 return self.locations[index] 

64 

65 def __len__(self): 

66 return len(self.locations)