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/usr/lib/python3.6/__future__.py

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/usr/lib/python3.6/_bootlocale.py

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/usr/lib/python3.6/_dummy_thread.py

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/usr/lib/python3.6/abc.py

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/usr/lib/python3.6/base64.py

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/usr/lib/python3.6/bisect.py

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/usr/lib/python3.6/codecs.py

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/usr/lib/python3.6/collections

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/usr/lib/python3.6/config-3.6m-x86_64-linux-gnu

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/usr/lib/python3.6/copy.py

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/usr/lib/python3.6/copyreg.py

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import os
import sys
import warnings
import imp
import opcode # opcode is not a virtualenv module, so we can use it to find the stdlib
# Important! To work on pypy, this must be a module that resides in the
# lib-python/modified-x.y.z directory
dirname = os.path.dirname
distutils_path = os.path.join(os.path.dirname(opcode.__file__), 'distutils')
if os.path.normpath(distutils_path) == os.path.dirname(os.path.normpath(__file__)):
warnings.warn(
"The virtualenv distutils package at %s appears to be in the same location as the system distutils?")
else:
__path__.insert(0, distutils_path)
real_distutils = imp.load_module("_virtualenv_distutils", None, distutils_path, ('', '', imp.PKG_DIRECTORY))
# Copy the relevant attributes
try:
__revision__ = real_distutils.__revision__
except AttributeError:
pass
__version__ = real_distutils.__version__
from distutils import dist, sysconfig
try:
basestring
except NameError:
basestring = str
## patch build_ext (distutils doesn't know how to get the libs directory
## path on windows - it hardcodes the paths around the patched sys.prefix)
if sys.platform == 'win32':
from distutils.command.build_ext import build_ext as old_build_ext
class build_ext(old_build_ext):
def finalize_options (self):
if self.library_dirs is None:
self.library_dirs = []
elif isinstance(self.library_dirs, basestring):
self.library_dirs = self.library_dirs.split(os.pathsep)
self.library_dirs.insert(0, os.path.join(sys.real_prefix, "Libs"))
old_build_ext.finalize_options(self)
from distutils.command import build_ext as build_ext_module
build_ext_module.build_ext = build_ext
## distutils.dist patches:
old_find_config_files = dist.Distribution.find_config_files
def find_config_files(self):
found = old_find_config_files(self)
system_distutils = os.path.join(distutils_path, 'distutils.cfg')
#if os.path.exists(system_distutils):
# found.insert(0, system_distutils)
# What to call the per-user config file
if os.name == 'posix':
user_filename = ".pydistutils.cfg"
else:
user_filename = "pydistutils.cfg"
user_filename = os.path.join(sys.prefix, user_filename)
if os.path.isfile(user_filename):
for item in list(found):
if item.endswith('pydistutils.cfg'):
found.remove(item)
found.append(user_filename)
return found
dist.Distribution.find_config_files = find_config_files
## distutils.sysconfig patches:
old_get_python_inc = sysconfig.get_python_inc
def sysconfig_get_python_inc(plat_specific=0, prefix=None):
if prefix is None:
prefix = sys.real_prefix
return old_get_python_inc(plat_specific, prefix)
sysconfig_get_python_inc.__doc__ = old_get_python_inc.__doc__
sysconfig.get_python_inc = sysconfig_get_python_inc
old_get_python_lib = sysconfig.get_python_lib
def sysconfig_get_python_lib(plat_specific=0, standard_lib=0, prefix=None):
if standard_lib and prefix is None:
prefix = sys.real_prefix
return old_get_python_lib(plat_specific, standard_lib, prefix)
sysconfig_get_python_lib.__doc__ = old_get_python_lib.__doc__
sysconfig.get_python_lib = sysconfig_get_python_lib
old_get_config_vars = sysconfig.get_config_vars
def sysconfig_get_config_vars(*args):
real_vars = old_get_config_vars(*args)
if sys.platform == 'win32':
lib_dir = os.path.join(sys.real_prefix, "libs")
if isinstance(real_vars, dict) and 'LIBDIR' not in real_vars:
real_vars['LIBDIR'] = lib_dir # asked for all
elif isinstance(real_vars, list) and 'LIBDIR' in args:
real_vars = real_vars + [lib_dir] # asked for list
return real_vars
sysconfig_get_config_vars.__doc__ = old_get_config_vars.__doc__
sysconfig.get_config_vars = sysconfig_get_config_vars

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# This is a config file local to this virtualenv installation
# You may include options that will be used by all distutils commands,
# and by easy_install. For instance:
#
# [easy_install]
# find_links = http://mylocalsite

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/usr/lib/python3.6/encodings

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/usr/lib/python3.6/enum.py

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/usr/lib/python3.6/fnmatch.py

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/usr/lib/python3.6/functools.py

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/usr/lib/python3.6/genericpath.py

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/usr/lib/python3.6/hashlib.py

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/usr/lib/python3.6/heapq.py

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/usr/lib/python3.6/hmac.py

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/usr/lib/python3.6/imp.py

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/usr/lib/python3.6/importlib

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/usr/lib/python3.6/io.py

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/usr/lib/python3.6/keyword.py

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/usr/lib/python3.6/lib-dynload

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/usr/lib/python3.6/linecache.py

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/usr/lib/python3.6/locale.py

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/usr/lib/python3.6/ntpath.py

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/usr/lib/python3.6/operator.py

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/usr

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/usr/lib/python3.6/os.py

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/usr/lib/python3.6/posixpath.py

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/usr/lib/python3.6/random.py

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/usr/lib/python3.6/re.py

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/usr/lib/python3.6/reprlib.py

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/usr/lib/python3.6/rlcompleter.py

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/usr/lib/python3.6/shutil.py

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#
# The Python Imaging Library
# $Id$
#
# bitmap distribution font (bdf) file parser
#
# history:
# 1996-05-16 fl created (as bdf2pil)
# 1997-08-25 fl converted to FontFile driver
# 2001-05-25 fl removed bogus __init__ call
# 2002-11-20 fl robustification (from Kevin Cazabon, Dmitry Vasiliev)
# 2003-04-22 fl more robustification (from Graham Dumpleton)
#
# Copyright (c) 1997-2003 by Secret Labs AB.
# Copyright (c) 1997-2003 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
from __future__ import print_function
from . import Image, FontFile
# --------------------------------------------------------------------
# parse X Bitmap Distribution Format (BDF)
# --------------------------------------------------------------------
bdf_slant = {
"R": "Roman",
"I": "Italic",
"O": "Oblique",
"RI": "Reverse Italic",
"RO": "Reverse Oblique",
"OT": "Other"
}
bdf_spacing = {
"P": "Proportional",
"M": "Monospaced",
"C": "Cell"
}
def bdf_char(f):
# skip to STARTCHAR
while True:
s = f.readline()
if not s:
return None
if s[:9] == b"STARTCHAR":
break
id = s[9:].strip().decode('ascii')
# load symbol properties
props = {}
while True:
s = f.readline()
if not s or s[:6] == b"BITMAP":
break
i = s.find(b" ")
props[s[:i].decode('ascii')] = s[i+1:-1].decode('ascii')
# load bitmap
bitmap = []
while True:
s = f.readline()
if not s or s[:7] == b"ENDCHAR":
break
bitmap.append(s[:-1])
bitmap = b"".join(bitmap)
[x, y, l, d] = [int(p) for p in props["BBX"].split()]
[dx, dy] = [int(p) for p in props["DWIDTH"].split()]
bbox = (dx, dy), (l, -d-y, x+l, -d), (0, 0, x, y)
try:
im = Image.frombytes("1", (x, y), bitmap, "hex", "1")
except ValueError:
# deal with zero-width characters
im = Image.new("1", (x, y))
return id, int(props["ENCODING"]), bbox, im
##
# Font file plugin for the X11 BDF format.
class BdfFontFile(FontFile.FontFile):
def __init__(self, fp):
FontFile.FontFile.__init__(self)
s = fp.readline()
if s[:13] != b"STARTFONT 2.1":
raise SyntaxError("not a valid BDF file")
props = {}
comments = []
while True:
s = fp.readline()
if not s or s[:13] == b"ENDPROPERTIES":
break
i = s.find(b" ")
props[s[:i].decode('ascii')] = s[i+1:-1].decode('ascii')
if s[:i] in [b"COMMENT", b"COPYRIGHT"]:
if s.find(b"LogicalFontDescription") < 0:
comments.append(s[i+1:-1].decode('ascii'))
# font = props["FONT"].split("-")
# font[4] = bdf_slant[font[4].upper()]
# font[11] = bdf_spacing[font[11].upper()]
# ascent = int(props["FONT_ASCENT"])
# descent = int(props["FONT_DESCENT"])
# fontname = ";".join(font[1:])
# print("#", fontname)
# for i in comments:
# print("#", i)
while True:
c = bdf_char(fp)
if not c:
break
id, ch, (xy, dst, src), im = c
if 0 <= ch < len(self.glyph):
self.glyph[ch] = xy, dst, src, im

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"""
Blizzard Mipmap Format (.blp)
Jerome Leclanche <jerome@leclan.ch>
The contents of this file are hereby released in the public domain (CC0)
Full text of the CC0 license:
https://creativecommons.org/publicdomain/zero/1.0/
BLP1 files, used mostly in Warcraft III, are not fully supported.
All types of BLP2 files used in World of Warcraft are supported.
The BLP file structure consists of a header, up to 16 mipmaps of the
texture
Texture sizes must be powers of two, though the two dimensions do
not have to be equal; 512x256 is valid, but 512x200 is not.
The first mipmap (mipmap #0) is the full size image; each subsequent
mipmap halves both dimensions. The final mipmap should be 1x1.
BLP files come in many different flavours:
* JPEG-compressed (type == 0) - only supported for BLP1.
* RAW images (type == 1, encoding == 1). Each mipmap is stored as an
array of 8-bit values, one per pixel, left to right, top to bottom.
Each value is an index to the palette.
* DXT-compressed (type == 1, encoding == 2):
- DXT1 compression is used if alpha_encoding == 0.
- An additional alpha bit is used if alpha_depth == 1.
- DXT3 compression is used if alpha_encoding == 1.
- DXT5 compression is used if alpha_encoding == 7.
"""
import struct
from io import BytesIO
from . import Image, ImageFile
BLP_FORMAT_JPEG = 0
BLP_ENCODING_UNCOMPRESSED = 1
BLP_ENCODING_DXT = 2
BLP_ENCODING_UNCOMPRESSED_RAW_BGRA = 3
BLP_ALPHA_ENCODING_DXT1 = 0
BLP_ALPHA_ENCODING_DXT3 = 1
BLP_ALPHA_ENCODING_DXT5 = 7
def unpack_565(i):
return (
((i >> 11) & 0x1f) << 3,
((i >> 5) & 0x3f) << 2,
(i & 0x1f) << 3
)
def decode_dxt1(data, alpha=False):
"""
input: one "row" of data (i.e. will produce 4*width pixels)
"""
blocks = len(data) // 8 # number of blocks in row
ret = (bytearray(), bytearray(), bytearray(), bytearray())
for block in range(blocks):
# Decode next 8-byte block.
idx = block * 8
color0, color1, bits = struct.unpack_from("<HHI", data, idx)
r0, g0, b0 = unpack_565(color0)
r1, g1, b1 = unpack_565(color1)
# Decode this block into 4x4 pixels
# Accumulate the results onto our 4 row accumulators
for j in range(4):
for i in range(4):
# get next control op and generate a pixel
control = bits & 3
bits = bits >> 2
a = 0xFF
if control == 0:
r, g, b = r0, g0, b0
elif control == 1:
r, g, b = r1, g1, b1
elif control == 2:
if color0 > color1:
r = (2 * r0 + r1) // 3
g = (2 * g0 + g1) // 3
b = (2 * b0 + b1) // 3
else:
r = (r0 + r1) // 2
g = (g0 + g1) // 2
b = (b0 + b1) // 2
elif control == 3:
if color0 > color1:
r = (2 * r1 + r0) // 3
g = (2 * g1 + g0) // 3
b = (2 * b1 + b0) // 3
else:
r, g, b, a = 0, 0, 0, 0
if alpha:
ret[j].extend([r, g, b, a])
else:
ret[j].extend([r, g, b])
return ret
def decode_dxt3(data):
"""
input: one "row" of data (i.e. will produce 4*width pixels)
"""
blocks = len(data) // 16 # number of blocks in row
ret = (bytearray(), bytearray(), bytearray(), bytearray())
for block in range(blocks):
idx = block * 16
block = data[idx:idx + 16]
# Decode next 16-byte block.
bits = struct.unpack_from("<8B", block)
color0, color1 = struct.unpack_from("<HH", block, 8)
code, = struct.unpack_from("<I", block, 12)
r0, g0, b0 = unpack_565(color0)
r1, g1, b1 = unpack_565(color1)
for j in range(4):
high = False # Do we want the higher bits?
for i in range(4):
alphacode_index = (4 * j + i) // 2
a = bits[alphacode_index]
if high:
high = False
a >>= 4
else:
high = True
a &= 0xf
a *= 17 # We get a value between 0 and 15
color_code = (code >> 2 * (4 * j + i)) & 0x03
if color_code == 0:
r, g, b = r0, g0, b0
elif color_code == 1:
r, g, b = r1, g1, b1
elif color_code == 2:
r = (2 * r0 + r1) // 3
g = (2 * g0 + g1) // 3
b = (2 * b0 + b1) // 3
elif color_code == 3:
r = (2 * r1 + r0) // 3
g = (2 * g1 + g0) // 3
b = (2 * b1 + b0) // 3
ret[j].extend([r, g, b, a])
return ret
def decode_dxt5(data):
"""
input: one "row" of data (i.e. will produce 4 * width pixels)
"""
blocks = len(data) // 16 # number of blocks in row
ret = (bytearray(), bytearray(), bytearray(), bytearray())
for block in range(blocks):
idx = block * 16
block = data[idx:idx + 16]
# Decode next 16-byte block.
a0, a1 = struct.unpack_from("<BB", block)
bits = struct.unpack_from("<6B", block, 2)
alphacode1 = (
bits[2] | (bits[3] << 8) | (bits[4] << 16) | (bits[5] << 24)
)
alphacode2 = bits[0] | (bits[1] << 8)
color0, color1 = struct.unpack_from("<HH", block, 8)
code, = struct.unpack_from("<I", block, 12)
r0, g0, b0 = unpack_565(color0)
r1, g1, b1 = unpack_565(color1)
for j in range(4):
for i in range(4):
# get next control op and generate a pixel
alphacode_index = 3 * (4 * j + i)
if alphacode_index <= 12:
alphacode = (alphacode2 >> alphacode_index) & 0x07
elif alphacode_index == 15:
alphacode = (alphacode2 >> 15) | ((alphacode1 << 1) & 0x06)
else: # alphacode_index >= 18 and alphacode_index <= 45
alphacode = (alphacode1 >> (alphacode_index - 16)) & 0x07
if alphacode == 0:
a = a0
elif alphacode == 1:
a = a1
elif a0 > a1:
a = ((8 - alphacode) * a0 + (alphacode - 1) * a1) // 7
elif alphacode == 6:
a = 0
elif alphacode == 7:
a = 255
else:
a = ((6 - alphacode) * a0 + (alphacode - 1) * a1) // 5
color_code = (code >> 2 * (4 * j + i)) & 0x03
if color_code == 0:
r, g, b = r0, g0, b0
elif color_code == 1:
r, g, b = r1, g1, b1
elif color_code == 2:
r = (2 * r0 + r1) // 3
g = (2 * g0 + g1) // 3
b = (2 * b0 + b1) // 3
elif color_code == 3:
r = (2 * r1 + r0) // 3
g = (2 * g1 + g0) // 3
b = (2 * b1 + b0) // 3
ret[j].extend([r, g, b, a])
return ret
class BLPFormatError(NotImplementedError):
pass
class BlpImageFile(ImageFile.ImageFile):
"""
Blizzard Mipmap Format
"""
format = "BLP"
format_description = "Blizzard Mipmap Format"
def _open(self):
self.magic = self.fp.read(4)
self._read_blp_header()
if self.magic == b"BLP1":
decoder = "BLP1"
self.mode = "RGB"
elif self.magic == b"BLP2":
decoder = "BLP2"
self.mode = "RGBA" if self._blp_alpha_depth else "RGB"
else:
raise BLPFormatError("Bad BLP magic %r" % (self.magic))
self.tile = [
(decoder, (0, 0) + self.size, 0, (self.mode, 0, 1))
]
def _read_blp_header(self):
self._blp_compression, = struct.unpack("<i", self.fp.read(4))
self._blp_encoding, = struct.unpack("<b", self.fp.read(1))
self._blp_alpha_depth, = struct.unpack("<b", self.fp.read(1))
self._blp_alpha_encoding, = struct.unpack("<b", self.fp.read(1))
self._blp_mips, = struct.unpack("<b", self.fp.read(1))
self.size = struct.unpack("<II", self.fp.read(8))
if self.magic == b"BLP1":
# Only present for BLP1
self._blp_encoding, = struct.unpack("<i", self.fp.read(4))
self._blp_subtype, = struct.unpack("<i", self.fp.read(4))
self._blp_offsets = struct.unpack("<16I", self.fp.read(16 * 4))
self._blp_lengths = struct.unpack("<16I", self.fp.read(16 * 4))
class _BLPBaseDecoder(ImageFile.PyDecoder):
_pulls_fd = True
def decode(self, buffer):
try:
self.fd.seek(0)
self.magic = self.fd.read(4)
self._read_blp_header()
self._load()
except struct.error:
raise IOError("Truncated Blp file")
return 0, 0
def _read_palette(self):
ret = []
for i in range(256):
try:
b, g, r, a = struct.unpack("<4B", self.fd.read(4))
except struct.error:
break
ret.append((b, g, r, a))
return ret
def _read_blp_header(self):
self._blp_compression, = struct.unpack("<i", self.fd.read(4))
self._blp_encoding, = struct.unpack("<b", self.fd.read(1))
self._blp_alpha_depth, = struct.unpack("<b", self.fd.read(1))
self._blp_alpha_encoding, = struct.unpack("<b", self.fd.read(1))
self._blp_mips, = struct.unpack("<b", self.fd.read(1))
self.size = struct.unpack("<II", self.fd.read(8))
if self.magic == b"BLP1":
# Only present for BLP1
self._blp_encoding, = struct.unpack("<i", self.fd.read(4))
self._blp_subtype, = struct.unpack("<i", self.fd.read(4))
self._blp_offsets = struct.unpack("<16I", self.fd.read(16 * 4))
self._blp_lengths = struct.unpack("<16I", self.fd.read(16 * 4))
class BLP1Decoder(_BLPBaseDecoder):
def _load(self):
if self._blp_compression == BLP_FORMAT_JPEG:
self._decode_jpeg_stream()
elif self._blp_compression == 1:
if self._blp_encoding in (4, 5):
data = bytearray()
palette = self._read_palette()
_data = BytesIO(self.fd.read(self._blp_lengths[0]))
while True:
try:
offset, = struct.unpack("<B", _data.read(1))
except struct.error:
break
b, g, r, a = palette[offset]
data.extend([r, g, b])
self.set_as_raw(bytes(data))
else:
raise BLPFormatError(
"Unsupported BLP encoding %r" % (self._blp_encoding)
)
else:
raise BLPFormatError(
"Unsupported BLP compression %r" % (self._blp_encoding)
)
def _decode_jpeg_stream(self):
from PIL.JpegImagePlugin import JpegImageFile
jpeg_header_size, = struct.unpack("<I", self.fd.read(4))
jpeg_header = self.fd.read(jpeg_header_size)
self.fd.read(self._blp_offsets[0] - self.fd.tell()) # What IS this?
data = self.fd.read(self._blp_lengths[0])
data = jpeg_header + data
data = BytesIO(data)
image = JpegImageFile(data)
self.tile = image.tile # :/
self.fd = image.fp
self.mode = image.mode
class BLP2Decoder(_BLPBaseDecoder):
def _load(self):
palette = self._read_palette()
data = bytearray()
self.fd.seek(self._blp_offsets[0])
if self._blp_compression == 1:
# Uncompressed or DirectX compression
if self._blp_encoding == BLP_ENCODING_UNCOMPRESSED:
_data = BytesIO(self.fd.read(self._blp_lengths[0]))
while True:
try:
offset, = struct.unpack("<B", _data.read(1))
except struct.error:
break
b, g, r, a = palette[offset]
data.extend((r, g, b))
elif self._blp_encoding == BLP_ENCODING_DXT:
if self._blp_alpha_encoding == BLP_ALPHA_ENCODING_DXT1:
linesize = (self.size[0] + 3) // 4 * 8
for yb in range((self.size[1] + 3) // 4):
for d in decode_dxt1(
self.fd.read(linesize),
alpha=bool(self._blp_alpha_depth)
):
data += d
elif self._blp_alpha_encoding == BLP_ALPHA_ENCODING_DXT3:
linesize = (self.size[0] + 3) // 4 * 16
for yb in range((self.size[1] + 3) // 4):
for d in decode_dxt3(self.fd.read(linesize)):
data += d
elif self._blp_alpha_encoding == BLP_ALPHA_ENCODING_DXT5:
linesize = (self.size[0] + 3) // 4 * 16
for yb in range((self.size[1] + 3) // 4):
for d in decode_dxt5(self.fd.read(linesize)):
data += d
else:
raise BLPFormatError("Unsupported alpha encoding %r" % (
self._blp_alpha_encoding
))
else:
raise BLPFormatError(
"Unknown BLP encoding %r" % (self._blp_encoding)
)
else:
raise BLPFormatError(
"Unknown BLP compression %r" % (self._blp_compression)
)
self.set_as_raw(bytes(data))
Image.register_open(
BlpImageFile.format, BlpImageFile, lambda p: p[:4] in (b"BLP1", b"BLP2")
)
Image.register_extension(BlpImageFile.format, ".blp")
Image.register_decoder("BLP1", BLP1Decoder)
Image.register_decoder("BLP2", BLP2Decoder)

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@@ -0,0 +1,289 @@
#
# The Python Imaging Library.
# $Id$
#
# BMP file handler
#
# Windows (and OS/2) native bitmap storage format.
#
# history:
# 1995-09-01 fl Created
# 1996-04-30 fl Added save
# 1997-08-27 fl Fixed save of 1-bit images
# 1998-03-06 fl Load P images as L where possible
# 1998-07-03 fl Load P images as 1 where possible
# 1998-12-29 fl Handle small palettes
# 2002-12-30 fl Fixed load of 1-bit palette images
# 2003-04-21 fl Fixed load of 1-bit monochrome images
# 2003-04-23 fl Added limited support for BI_BITFIELDS compression
#
# Copyright (c) 1997-2003 by Secret Labs AB
# Copyright (c) 1995-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
from . import Image, ImageFile, ImagePalette
from ._binary import i8, i16le as i16, i32le as i32, \
o8, o16le as o16, o32le as o32
import math
__version__ = "0.7"
#
# --------------------------------------------------------------------
# Read BMP file
BIT2MODE = {
# bits => mode, rawmode
1: ("P", "P;1"),
4: ("P", "P;4"),
8: ("P", "P"),
16: ("RGB", "BGR;15"),
24: ("RGB", "BGR"),
32: ("RGB", "BGRX"),
}
def _accept(prefix):
return prefix[:2] == b"BM"
# ==============================================================================
# Image plugin for the Windows BMP format.
# ==============================================================================
class BmpImageFile(ImageFile.ImageFile):
""" Image plugin for the Windows Bitmap format (BMP) """
# -------------------------------------------------------------- Description
format_description = "Windows Bitmap"
format = "BMP"
# --------------------------------------------------- BMP Compression values
COMPRESSIONS = {'RAW': 0, 'RLE8': 1, 'RLE4': 2, 'BITFIELDS': 3, 'JPEG': 4, 'PNG': 5}
RAW, RLE8, RLE4, BITFIELDS, JPEG, PNG = 0, 1, 2, 3, 4, 5
def _bitmap(self, header=0, offset=0):
""" Read relevant info about the BMP """
read, seek = self.fp.read, self.fp.seek
if header:
seek(header)
file_info = {}
file_info['header_size'] = i32(read(4)) # read bmp header size @offset 14 (this is part of the header size)
file_info['direction'] = -1
# --------------------- If requested, read header at a specific position
header_data = ImageFile._safe_read(self.fp, file_info['header_size'] - 4) # read the rest of the bmp header, without its size
# --------------------------------------------------- IBM OS/2 Bitmap v1
# ------ This format has different offsets because of width/height types
if file_info['header_size'] == 12:
file_info['width'] = i16(header_data[0:2])
file_info['height'] = i16(header_data[2:4])
file_info['planes'] = i16(header_data[4:6])
file_info['bits'] = i16(header_data[6:8])
file_info['compression'] = self.RAW
file_info['palette_padding'] = 3
# ---------------------------------------------- Windows Bitmap v2 to v5
elif file_info['header_size'] in (40, 64, 108, 124): # v3, OS/2 v2, v4, v5
if file_info['header_size'] >= 40: # v3 and OS/2
file_info['y_flip'] = i8(header_data[7]) == 0xff
file_info['direction'] = 1 if file_info['y_flip'] else -1
file_info['width'] = i32(header_data[0:4])
file_info['height'] = i32(header_data[4:8]) if not file_info['y_flip'] else 2**32 - i32(header_data[4:8])
file_info['planes'] = i16(header_data[8:10])
file_info['bits'] = i16(header_data[10:12])
file_info['compression'] = i32(header_data[12:16])
file_info['data_size'] = i32(header_data[16:20]) # byte size of pixel data
file_info['pixels_per_meter'] = (i32(header_data[20:24]), i32(header_data[24:28]))
file_info['colors'] = i32(header_data[28:32])
file_info['palette_padding'] = 4
self.info["dpi"] = tuple(
map(lambda x: int(math.ceil(x / 39.3701)),
file_info['pixels_per_meter']))
if file_info['compression'] == self.BITFIELDS:
if len(header_data) >= 52:
for idx, mask in enumerate(['r_mask', 'g_mask', 'b_mask', 'a_mask']):
file_info[mask] = i32(header_data[36+idx*4:40+idx*4])
else:
# 40 byte headers only have the three components in the bitfields masks,
# ref: https://msdn.microsoft.com/en-us/library/windows/desktop/dd183376(v=vs.85).aspx
# See also https://github.com/python-pillow/Pillow/issues/1293
# There is a 4th component in the RGBQuad, in the alpha location, but it
# is listed as a reserved component, and it is not generally an alpha channel
file_info['a_mask'] = 0x0
for mask in ['r_mask', 'g_mask', 'b_mask']:
file_info[mask] = i32(read(4))
file_info['rgb_mask'] = (file_info['r_mask'], file_info['g_mask'], file_info['b_mask'])
file_info['rgba_mask'] = (file_info['r_mask'], file_info['g_mask'], file_info['b_mask'], file_info['a_mask'])
else:
raise IOError("Unsupported BMP header type (%d)" % file_info['header_size'])
# ------------------ Special case : header is reported 40, which
# ---------------------- is shorter than real size for bpp >= 16
self.size = file_info['width'], file_info['height']
# -------- If color count was not found in the header, compute from bits
file_info['colors'] = file_info['colors'] if file_info.get('colors', 0) else (1 << file_info['bits'])
# -------------------------------- Check abnormal values for DOS attacks
if file_info['width'] * file_info['height'] > 2**31:
raise IOError("Unsupported BMP Size: (%dx%d)" % self.size)
# ----------------------- Check bit depth for unusual unsupported values
self.mode, raw_mode = BIT2MODE.get(file_info['bits'], (None, None))
if self.mode is None:
raise IOError("Unsupported BMP pixel depth (%d)" % file_info['bits'])
# ----------------- Process BMP with Bitfields compression (not palette)
if file_info['compression'] == self.BITFIELDS:
SUPPORTED = {
32: [(0xff0000, 0xff00, 0xff, 0x0), (0xff0000, 0xff00, 0xff, 0xff000000), (0x0, 0x0, 0x0, 0x0), (0xff000000, 0xff0000, 0xff00, 0x0)],
24: [(0xff0000, 0xff00, 0xff)],
16: [(0xf800, 0x7e0, 0x1f), (0x7c00, 0x3e0, 0x1f)]
}
MASK_MODES = {
(32, (0xff0000, 0xff00, 0xff, 0x0)): "BGRX",
(32, (0xff000000, 0xff0000, 0xff00, 0x0)): "XBGR",
(32, (0xff0000, 0xff00, 0xff, 0xff000000)): "BGRA",
(32, (0x0, 0x0, 0x0, 0x0)): "BGRA",
(24, (0xff0000, 0xff00, 0xff)): "BGR",
(16, (0xf800, 0x7e0, 0x1f)): "BGR;16",
(16, (0x7c00, 0x3e0, 0x1f)): "BGR;15"
}
if file_info['bits'] in SUPPORTED:
if file_info['bits'] == 32 and file_info['rgba_mask'] in SUPPORTED[file_info['bits']]:
raw_mode = MASK_MODES[(file_info['bits'], file_info['rgba_mask'])]
self.mode = "RGBA" if raw_mode in ("BGRA",) else self.mode
elif file_info['bits'] in (24, 16) and file_info['rgb_mask'] in SUPPORTED[file_info['bits']]:
raw_mode = MASK_MODES[(file_info['bits'], file_info['rgb_mask'])]
else:
raise IOError("Unsupported BMP bitfields layout")
else:
raise IOError("Unsupported BMP bitfields layout")
elif file_info['compression'] == self.RAW:
if file_info['bits'] == 32 and header == 22: # 32-bit .cur offset
raw_mode, self.mode = "BGRA", "RGBA"
else:
raise IOError("Unsupported BMP compression (%d)" % file_info['compression'])
# ---------------- Once the header is processed, process the palette/LUT
if self.mode == "P": # Paletted for 1, 4 and 8 bit images
# ----------------------------------------------------- 1-bit images
if not (0 < file_info['colors'] <= 65536):
raise IOError("Unsupported BMP Palette size (%d)" % file_info['colors'])
else:
padding = file_info['palette_padding']
palette = read(padding * file_info['colors'])
greyscale = True
indices = (0, 255) if file_info['colors'] == 2 else list(range(file_info['colors']))
# ------------------ Check if greyscale and ignore palette if so
for ind, val in enumerate(indices):
rgb = palette[ind*padding:ind*padding + 3]
if rgb != o8(val) * 3:
greyscale = False
# -------- If all colors are grey, white or black, ditch palette
if greyscale:
self.mode = "1" if file_info['colors'] == 2 else "L"
raw_mode = self.mode
else:
self.mode = "P"
self.palette = ImagePalette.raw("BGRX" if padding == 4 else "BGR", palette)
# ----------------------------- Finally set the tile data for the plugin
self.info['compression'] = file_info['compression']
self.tile = [('raw', (0, 0, file_info['width'], file_info['height']), offset or self.fp.tell(),
(raw_mode, ((file_info['width'] * file_info['bits'] + 31) >> 3) & (~3), file_info['direction'])
)]
def _open(self):
""" Open file, check magic number and read header """
# read 14 bytes: magic number, filesize, reserved, header final offset
head_data = self.fp.read(14)
# choke if the file does not have the required magic bytes
if head_data[0:2] != b"BM":
raise SyntaxError("Not a BMP file")
# read the start position of the BMP image data (u32)
offset = i32(head_data[10:14])
# load bitmap information (offset=raster info)
self._bitmap(offset=offset)
# ==============================================================================
# Image plugin for the DIB format (BMP alias)
# ==============================================================================
class DibImageFile(BmpImageFile):
format = "DIB"
format_description = "Windows Bitmap"
def _open(self):
self._bitmap()
#
# --------------------------------------------------------------------
# Write BMP file
SAVE = {
"1": ("1", 1, 2),
"L": ("L", 8, 256),
"P": ("P", 8, 256),
"RGB": ("BGR", 24, 0),
"RGBA": ("BGRA", 32, 0),
}
def _save(im, fp, filename):
try:
rawmode, bits, colors = SAVE[im.mode]
except KeyError:
raise IOError("cannot write mode %s as BMP" % im.mode)
info = im.encoderinfo
dpi = info.get("dpi", (96, 96))
# 1 meter == 39.3701 inches
ppm = tuple(map(lambda x: int(x * 39.3701), dpi))
stride = ((im.size[0]*bits+7)//8+3) & (~3)
header = 40 # or 64 for OS/2 version 2
offset = 14 + header + colors * 4
image = stride * im.size[1]
# bitmap header
fp.write(b"BM" + # file type (magic)
o32(offset+image) + # file size
o32(0) + # reserved
o32(offset)) # image data offset
# bitmap info header
fp.write(o32(header) + # info header size
o32(im.size[0]) + # width
o32(im.size[1]) + # height
o16(1) + # planes
o16(bits) + # depth
o32(0) + # compression (0=uncompressed)
o32(image) + # size of bitmap
o32(ppm[0]) + o32(ppm[1]) + # resolution
o32(colors) + # colors used
o32(colors)) # colors important
fp.write(b"\0" * (header - 40)) # padding (for OS/2 format)
if im.mode == "1":
for i in (0, 255):
fp.write(o8(i) * 4)
elif im.mode == "L":
for i in range(256):
fp.write(o8(i) * 4)
elif im.mode == "P":
fp.write(im.im.getpalette("RGB", "BGRX"))
ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0,
(rawmode, stride, -1))])
#
# --------------------------------------------------------------------
# Registry
Image.register_open(BmpImageFile.format, BmpImageFile, _accept)
Image.register_save(BmpImageFile.format, _save)
Image.register_extension(BmpImageFile.format, ".bmp")
Image.register_mime(BmpImageFile.format, "image/bmp")

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@@ -0,0 +1,72 @@
#
# The Python Imaging Library
# $Id$
#
# BUFR stub adapter
#
# Copyright (c) 1996-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
from . import Image, ImageFile
_handler = None
def register_handler(handler):
"""
Install application-specific BUFR image handler.
:param handler: Handler object.
"""
global _handler
_handler = handler
# --------------------------------------------------------------------
# Image adapter
def _accept(prefix):
return prefix[:4] == b"BUFR" or prefix[:4] == b"ZCZC"
class BufrStubImageFile(ImageFile.StubImageFile):
format = "BUFR"
format_description = "BUFR"
def _open(self):
offset = self.fp.tell()
if not _accept(self.fp.read(4)):
raise SyntaxError("Not a BUFR file")
self.fp.seek(offset)
# make something up
self.mode = "F"
self.size = 1, 1
loader = self._load()
if loader:
loader.open(self)
def _load(self):
return _handler
def _save(im, fp, filename):
if _handler is None or not hasattr("_handler", "save"):
raise IOError("BUFR save handler not installed")
_handler.save(im, fp, filename)
# --------------------------------------------------------------------
# Registry
Image.register_open(BufrStubImageFile.format, BufrStubImageFile, _accept)
Image.register_save(BufrStubImageFile.format, _save)
Image.register_extension(BufrStubImageFile.format, ".bufr")

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