def __init__(self, stream: BinaryIO):
self._stream = stream
self._tagwriter = BinaryTagWriter(self._stream,
dxfversion='AC1009',
write_handles=False,
encoding='cp1252')
self._tagwriter.write_signature()
class BinaryDXFWriter:
def __init__(self, stream: BinaryIO):
self._stream = stream
self._tagwriter = BinaryTagWriter(
self._stream,
dxfversion="AC1009",
write_handles=False,
encoding="cp1252",
)
self._tagwriter.write_signature()
def write(self, s: str) -> None:
self._tagwriter.write_str(s)
def write(self, stream: Union[TextIO, BinaryIO], fmt: str = 'asc') -> None:
"""
Write drawing as ASCII DXF to a text stream or as Binary DXF to a binary stream.
For DXF R2004 (AC1018) and prior open stream with drawing :attr:`encoding` and :code:`mode='wt'`.
For DXF R2007 (AC1021) and later use :code:`encoding='utf-8'`, or better use the later added :class:`Drawing`
property :attr:`output_encoding` which returns the correct encoding automatically.
Args:
stream: output text stream or binary stream
fmt: ``'asc'`` for ASCII DXF (default) or ``'bin'`` for binary DXF
"""
dxfversion = self.dxfversion
if dxfversion == DXF12:
handles = bool(self.header.get('$HANDLING', 0))
else:
handles = True
if dxfversion > DXF12:
self.classes.add_required_classes(dxfversion)
self._create_appids()
self._update_header_vars()
self._update_metadata()
if fmt.startswith('asc'):
tagwriter = TagWriter(stream, write_handles=handles, dxfversion=dxfversion)
elif fmt.startswith('bin'):
tagwriter = BinaryTagWriter(
stream, write_handles=handles, dxfversion=dxfversion, encoding=self.output_encoding,
)
tagwriter.write_signature()
else:
raise ValueError(f"Unknown output format: '{fmt}'.")
self.export_sections(tagwriter)
def write(self, stream: Union[TextIO, BinaryIO], fmt: str = "asc") -> None:
"""Write drawing as ASCII DXF to a text stream or as Binary DXF to a
binary stream. For DXF R2004 (AC1018) and prior open stream with
drawing :attr:`encoding` and :code:`mode='wt'`. For DXF R2007 (AC1021)
and later use :code:`encoding='utf-8'`, or better use the later added
:class:`Drawing` property :attr:`output_encoding` which returns the
correct encoding automatically. The correct and required error handler
is :code:`errors='dxfreplace'`!
If writing to a :class:`StringIO` stream, use :meth:`Drawing.encode` to
encode the result string from :meth:`StringIO.get_value`::
binary = doc.encode(stream.get_value())
Args:
stream: output text stream or binary stream
fmt: ``'asc'`` for ASCII DXF (default) or ``'bin'`` for binary DXF
"""
dxfversion = self.dxfversion
if dxfversion == DXF12:
handles = bool(self.header.get("$HANDLING", 0))
else:
handles = True
if dxfversion > DXF12:
self.classes.add_required_classes(dxfversion)
self._create_appids()
self._update_header_vars()
self.update_extents()
self.update_limits()
self._update_metadata()
if fmt.startswith("asc"):
tagwriter = TagWriter(
stream, # type: ignore
write_handles=handles,
dxfversion=dxfversion,
)
elif fmt.startswith("bin"):
tagwriter = BinaryTagWriter( # type: ignore
stream, # type: ignore
write_handles=handles,
dxfversion=dxfversion,
encoding=self.output_encoding,
)
tagwriter.write_signature() # type: ignore
else:
raise ValueError(f"Unknown output format: '{fmt}'.")
self.export_sections(tagwriter)