def read(self, stream: Stream, version):
if not stream.read_0d_terminator():
raise UnreadableSymbolException('Could not find 0d terminator at {}'.format(hex(stream.tell() - 8)))
# consume unused properties - MultiLayerMarkerSymbol implements IMarkerSymbol
# so that the size/offsets/angle are required properties. But they aren't used
# or exposed anywhere for MultiLayerMarkerSymbol
_ = stream.read_double('unused marker size')
_ = stream.read_double('unused marker x/y/offset or angle')
_ = stream.read_double('unused marker x/y/offset or angle')
_ = stream.read_double('unused marker x/y/offset or angle')
_ = stream.read_object('unused color')
self.halo = stream.read_int() == 1
self.halo_size = stream.read_double('halo size')
self.halo_symbol = stream.read_object('halo')
# 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')
if version >= 3:
for l in self.levels:
l.read_tags(stream)
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')
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):
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_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):
# 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):
# first bit is 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.color = stream.read_object('color')
stream.read_0d_terminator()
_ = stream.read_int('unknown int')
def read(self, stream: Stream, version):
self.pattern_interval = stream.read_double('pattern interval')
pattern_part_count = stream.read_int('pattern parts')
self.pattern_parts = []
for p in range(pattern_part_count):
filled_squares = stream.read_double()
empty_squares = stream.read_double()
self.pattern_parts.append([filled_squares, empty_squares])
pattern = ''
for p in self.pattern_parts:
pattern += '-' * int(p[0]) + '.' * int(p[1])
stream.log('deciphered line pattern {} ending'.format(pattern))
def read(self, stream: Stream, version):
if not stream.read_0d_terminator():
raise UnreadableSymbolException('Could not find 0d terminator at {}'.format(hex(stream.tell() - 8)))
_ = stream.read_object('unused color')
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])
# stream.read(4)
for l in self.levels:
l.read_enabled(stream)
for l in self.levels:
l.read_locked(stream)
if version >= 2:
for l in self.levels:
l.read_tags(stream)
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):
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):
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):
self.random = bool(stream.read_int('random'))
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_double('unused double')
_ = stream.read_double('unused double')
self.marker = stream.read_object('fill marker')
# 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
stream.read_0d_terminator()
_ = stream.read_double('unused double')