Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/PIL/PixarImagePlugin.py: 44%

1# 

2# The Python Imaging Library. 

3# $Id$ 

4# 

5# PIXAR raster support for PIL 

6# 

7# history: 

8# 97-01-29 fl Created 

9# 

10# notes: 

11# This is incomplete; it is based on a few samples created with 

12# Photoshop 2.5 and 3.0, and a summary description provided by 

13# Greg Coats <gcoats@labiris.er.usgs.gov>. Hopefully, "L" and 

14# "RGBA" support will be added in future versions. 

15# 

16# Copyright (c) Secret Labs AB 1997. 

17# Copyright (c) Fredrik Lundh 1997. 

18# 

19# See the README file for information on usage and redistribution. 

20# 

21 

22from . import Image, ImageFile 

23from ._binary import i16le as i16 

24 

25# 

26# helpers 

27 

28 

29def _accept(prefix): 

30 return prefix[:4] == b"\200\350\000\000" 

31 

32 

33## 

34# Image plugin for PIXAR raster images. 

35 

36 

37class PixarImageFile(ImageFile.ImageFile): 

38 

39 format = "PIXAR" 

40 format_description = "PIXAR raster image" 

41 

42 def _open(self): 

43 

44 # assuming a 4-byte magic label 

45 s = self.fp.read(4) 

46 if not _accept(s): 

47 raise SyntaxError("not a PIXAR file") 

48 

49 # read rest of header 

50 s = s + self.fp.read(508) 

51 

52 self._size = i16(s, 418), i16(s, 416) 

53 

54 # get channel/depth descriptions 

55 mode = i16(s, 424), i16(s, 426) 

56 

57 if mode == (14, 2): 

58 self.mode = "RGB" 

59 # FIXME: to be continued... 

60 

61 # create tile descriptor (assuming "dumped") 

62 self.tile = [("raw", (0, 0) + self.size, 1024, (self.mode, 0, 1))] 

63 

64 

65# 

66# -------------------------------------------------------------------- 

67 

68Image.register_open(PixarImageFile.format, PixarImageFile, _accept) 

69 

70Image.register_extension(PixarImageFile.format, ".pxr")