def read(self, stream: Stream, version):
stream.read_int('unknown')
stream.read_int('unknown 2')
self.file = stream.read_embedded_file('image')
self.color_foreground = stream.read_object('color 1')
self.color_background = stream.read_object('color 2')
self.color_transparent = stream.read_object('color 3')
self.angle = stream.read_double('angle')
self.size = stream.read_double('size')
self.x_offset = stream.read_double('x offset')
self.y_offset = stream.read_double('y offset')
stream.read_double('unknown')
stream.read_double('unknown')
stream.read_0d_terminator()
self.swap_fb_gb = bool(stream.read_uchar('swap fgbg'))
check = binascii.hexlify(stream.read(2))
if check != b'ffff':
raise UnreadableSymbolException(
'Expected ffff at {}, got {}'.format(check,
hex(stream.tell() - 2)))
# unknown
stream.read(6)
def read(self, stream: Stream, version):
self.color = stream.read_object('color')
self.unicode = stream.read_int('unicode')
self.angle = stream.read_double('angle')
self.size = stream.read_double('size')
self.x_offset = stream.read_double('x offset')
self.y_offset = stream.read_double('y offset')
stream.read_double('unknown 1')
stream.read_double('unknown 2')
self.read_0d_terminator(stream)
if binascii.hexlify(stream.read(2)) != b'ffff':
raise UnreadableSymbolException('Expected ffff')
self.font = stream.read_string('font name')
# lot of unknown stuff
stream.read_double('unknown 3') # or object?
stream.read_double('unknown 4') # or object?
if binascii.hexlify(stream.read(2)) != b'9001':
raise UnreadableSymbolException('Expected 9001')
stream.read(4)
stream.read(6)
# std OLE font .. maybe contains useful stuff like bold/etc, but these aren't exposed in ArcGIS anyway..
self.std_font = stream.read_object('font')
def read(self, stream: Stream, version):
"""
Reads the decoration information
"""
self.fixed_angle = not bool(stream.read_uchar())
stream.log('detected {}'.format(
'fixed angle' if self.fixed_angle else 'not fixed angle'))
self.flip_first = bool(stream.read_uchar())
stream.log('detected {}'.format(
'flip first' if self.flip_first else 'no flip first'))
self.flip_all = bool(stream.read_uchar())
stream.log('detected {}'.format(
'flip all' if self.flip_all else 'no flip all'))
stream.read(2) # unknown -- maybe includes position as ratio?
self.marker = stream.read_object('marker')
# next bit is the number of doubles coming next
marker_number_positions = stream.read_uint('marker positions')
# next bit is the positions themselves -- maybe we can infer this from the number of positions
# alone. E.g. 2 positions = 0, 1. 3 positions = 0, 0.5, 1
for _ in range(marker_number_positions):
self.marker_positions.append(stream.read_double())
stream.log('marker positions are {}'.format(self.marker_positions))
def read(self, stream: Stream, version):
self.angle = stream.read_double('angle')
self.cap = self.read_cap(stream)
unknown = binascii.hexlify(stream.read(3))
if unknown != b'000000':
raise UnreadableSymbolException(
'Differing unknown string {}'.format(unknown))
self.join = self.read_join(stream)
unknown = binascii.hexlify(stream.read(3))
if unknown != b'000000':
raise UnreadableSymbolException(
'Differing unknown string {}'.format(unknown))
self.width = stream.read_double('width')
stream.read(1)
self.offset = stream.read_double('offset')
self.line = stream.read_object('line')
self.color = stream.read_object('color')
self.template = stream.read_object('template')
self.decoration = stream.read_object('decoration')
stream.read_0d_terminator()
_ = stream.read_uchar('unknown char')
_ = stream.read_double('unknown')
_ = stream.read_double('unknown')
def read_ramp_name_type(self, stream: Stream):
"""
Reads the ramp name type from a stream
"""
name_length = stream.read_int('name size')
self.ramp_name_type = stream.read(name_length * 2).decode('utf-16')
stream.log('Ramp name \'{}\''.format(self.ramp_name_type), name_length * 2)
stream.read(2)
def _read(self, stream: Stream, version):
number_layers = stream.read_uint('layer count')
for i in range(number_layers):
layer = stream.read_object('symbol layer {}/{}'.format(
i + 1, number_layers))
self.levels.extend([layer])
# the next section varies in size. To handle this we jump forward to a known anchor
# point, and then move back by a known amount
# burn up to the 02
stream.log('burning up to 02...')
while not binascii.hexlify(stream.read(1)) == b'02':
pass
# jump back a known amount
stream.rewind(8 * number_layers + 1)
# TODO - replace the fragile bit above!
# stream.read(1)
# stream.read_double('unknown size')
# stream.read_double('unknown size')
for l in self.levels:
l.read_enabled(stream)
for l in self.levels:
l.read_locked(stream)
def _read(self, stream: Stream, version):
self.color = stream.read_object('color')
number_layers = stream.read_int('layers')
for i in range(number_layers):
stream.consume_padding()
layer = stream.read_object('symbol layer {}/{}'.format(
i + 1, number_layers))
self.levels.extend([layer])
# the next section varies in size. To handle this we jump forward to a known anchor
# point, and then move back by a known amount
# burn up to the 02
stream.log('burning up to 02...')
while not binascii.hexlify(stream.read(1)) == b'02':
pass
# jump back a known amount
stream.rewind(8 * number_layers + 1)
for l in self.levels:
l.read_enabled(stream)
for l in self.levels:
l.read_locked(stream)
def _read(self, stream: Stream, version):
# consume section of unknown purpose
_ = stream.read_double('unknown size')
unknown_object = stream.read_object('unknown')
if unknown_object is not None:
assert False, unknown_object
_ = stream.read_double('unknown size')
self.color = stream.read_object('color')
self.halo = stream.read_int() == 1
self.halo_size = stream.read_double('halo size')
self.halo_symbol = stream.read_object('halo')
# not sure about this - there's an extra 02 here if a full fill symbol is used for the halo
if False and isinstance(self.halo_symbol, Symbol):
check = binascii.hexlify(stream.read(1))
if check != b'02':
raise UnreadableSymbolException(
'Found unexpected value {} at {}, expected x02'.format(
check, hex(stream.tell() - 1)))
stream.read(1)
if isinstance(self.halo_symbol, SymbolLayer):
stream.read(4)
# useful stuff
number_layers = stream.read_int('layers')
for i in range(number_layers):
layer = stream.read_object('symbol layer {}/{}'.format(
i + 1, number_layers))
self.levels.extend([layer])
for l in self.levels:
l.read_enabled(stream)
for l in self.levels:
l.read_locked(stream)
_ = stream.read_double('unknown size')
_ = stream.read_double('unknown size')
def read(self, stream: Stream, version):
self.color = stream.read_object('color')
self.size = stream.read_double('size')
type_code = stream.read_int()
type_dict = {
0: 'circle',
1: 'square',
2: 'cross',
3: 'x',
4: 'diamond'
}
if type_code not in type_dict:
raise UnreadableSymbolException(
'Unknown marker type at {}, got {}'.format(
hex(stream.tell() - 4), type_code))
stream.log('found a {}'.format(type_dict[type_code]), 4)
self.type = type_dict[type_code]
# look for 0d terminator
if not binascii.hexlify(stream.read(8)) == b'0d00000000000000':
raise UnreadableSymbolException()
stream.read_double('unknown')
self.x_offset = stream.read_double('x offset')
self.y_offset = stream.read_double('y offset')
has_outline = stream.read_uchar()
if has_outline == 1:
self.outline_enabled = True
self.outline_width = stream.read_double('outline width')
self.outline_color = stream.read_object('outline color')
check = binascii.hexlify(stream.read(2))
if check != b'ffff':
raise UnreadableSymbolException(
'Expected ffff at {}, got {}'.format(check,
hex(stream.tell() - 2)))
def read(self, stream: Stream, version):
if version in (4, 5):
self.picture = stream.read_object('picture')
elif version == 8:
_ = stream.read_ushort('pic version?')
_ = stream.read_uint('picture type?')
self.picture = stream.read_object('picture')
elif version == 9:
self.picture = stream.read_picture('picture')
if version <= 8:
_ = stream.read_object()
self.color_foreground = stream.read_object('color 1')
self.color_background = stream.read_object('color 2')
if version >= 9:
self.color_transparent = stream.read_object('color 3')
self.angle = stream.read_double('angle')
self.size = stream.read_double('size')
self.x_offset = stream.read_double('x offset')
self.y_offset = stream.read_double('y offset')
stream.read_double('unknown')
stream.read_double('unknown')
stream.read_0d_terminator()
self.swap_fb_gb = bool(stream.read_uchar('swap fgbg'))
check = binascii.hexlify(stream.read(2))
if check != b'ffff':
raise UnreadableSymbolException('Expected ffff at {}, got {}'.format(check, hex(stream.tell() - 2)))
if version < 6:
return
stream.read(6)
if version <= 8:
stream.read(4)
def read(self, stream: Stream, version):
version = binascii.hexlify(stream.read(1))
if version != b'01':
raise UnsupportedVersionException(
'Unsupported Font version {}'.format(version))
self.charset = stream.read_ushort('charset')
# Not exposed in ArcMap front end:
attributes = stream.read_uchar('attributes')
self.italic = attributes & self.Italic
self.underline = attributes & self.Underline
self.strikethrough = attributes & self.Strikethrough
self.weight = stream.read_ushort('weight')
# From https://docs.microsoft.com/en-us/windows/desktop/api/olectl/ns-olectl-tagfontdesc
# Use the int64 member of the CY structure and scale your font size (in points) by 10000.
self.size = stream.read_int('font size') / 10000
name_length = stream.read_uchar('font name size')
self.font_name = stream.read(name_length).decode()
def read(self, stream: Stream, version):
stream.read(8)
self._read(stream, version)
# do we end in 02?
check = binascii.hexlify(stream.read(1))
if check != b'02':
raise UnreadableSymbolException(
'Found unexpected value {} at {}, expected x02'.format(
check, hex(stream.tell() - 1)))
stream.read(5)
# PROBLEMATIC!!
check = binascii.hexlify(stream.read(1))
if check == b'02':
stream.read(5)
else:
stream.rewind(1)
def read(self, stream: Stream, version):
self.color = stream.read_object('color')
self.size = stream.read_double('size')
self.width = stream.read_double('width')
self.angle = stream.read_double('angle')
# 12 bytes unknown purpose
stream.log('skipping 12 unknown bytes')
_ = stream.read_uint('unknown')
stream.read_0d_terminator()
self.x_offset = stream.read_double('x offset')
self.y_offset = stream.read_double('y offset')
check = binascii.hexlify(stream.read(2))
if check != b'ffff':
raise UnreadableSymbolException('Expected ffff at {}, got {}'.format(check, hex(stream.tell() - 2)))
def read(self, stream: Stream, version):
self.cap = self.read_cap(stream)
stream.log('read cap of {}'.format(self.cap), 1)
self.offset = stream.read_double('offset')
self.pattern_marker = stream.read_object('pattern marker')
self.template = stream.read_object('template')
self.decoration = stream.read_object('decoration')
stream.read_0d_terminator()
_ = stream.read_double('unknown double')
_ = stream.read_int('unknown int')
_ = stream.read_uchar('unknown char')
self.join = self.read_join(stream)
unknown = binascii.hexlify(stream.read(3))
if unknown != b'000000':
raise UnreadableSymbolException(
'Differing unknown string {}'.format(unknown))
_ = stream.read_double('unknown double')
def read(self, stream: Stream, version):
if version == 4:
self.picture = stream.read_object('picture')
elif version == 7:
_ = stream.read_ushort('pic version?')
_ = stream.read_uint('picture type?')
self.picture = stream.read_object('picture')
elif version == 8:
self.picture = stream.read_picture('picture')
self.color_background = stream.read_object('color bg')
self.color_foreground = stream.read_object('color fg')
self.color_transparent = stream.read_object('color trans')
# either an entire LineSymbol or just a LineSymbolLayer
outline = stream.read_object('outline')
if outline is not None:
if issubclass(outline.__class__, SymbolLayer):
self.outline_layer = outline
else:
self.outline_symbol = outline
self.angle = stream.read_double('angle')
self.scale_x = stream.read_double('scale_x')
self.scale_y = stream.read_double('scale_y')
self.offset_x = stream.read_double('offset x')
self.offset_y = stream.read_double('offset y')
self.separation_x = stream.read_double('separation x')
self.separation_y = stream.read_double('separation y')
stream.read(16)
stream.read_0d_terminator()
self.swap_fb_gb = bool(stream.read_uchar('swap fgbg'))
if version <= 4:
return
stream.read(6)
if version < 8:
stream.read(4)
