download dwg1314.py Language: Python License: GPL Copyright: (c) 2003 Art Haas LOC: 3627 Project Info PythonCAD Server: PythonCAD Type: svn

...ythonCAD\PythonCAD\Generic\    .gitignore    __init__.py    acline.py    arc.py    baseobject.py    bindump.py    ccircle.py    circle.py    cline.py    color.py    conobject.py    delete.py    dimension.py    dimtrees.py    dwg12.py    dwg1314.py    dwg15.py    dwgbase.py    dwgutil.py    dxf.py    ellipse.py    entity.py    fileio.py    globals.py    graphicobject.py    hatch.py    hcline.py    image.py    imageio.py    intersections.py    keywords.py    layer.py    leader.py    linetype.py    logger.py    maptree.py    message.py    mirror.py    move.py    nurbs.py    options.py    plotfile.py    point.py    polyline.py    preferences.py    printing.py    prompt.py    quadtree.py    rotate.py    segjoint.py    segment.py    selections.py    split.py    style.py    tangent.py    text.py    tolerance.py    tools.py    transfer.py    tree.py    units.py    util.py    vcline.py # # Copyright (c) 2003 Art Haas # # This file is part of PythonCAD. # # PythonCAD is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PythonCAD is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with PythonCAD; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # read in an AutoCAD dwg file # import struct import array import sys from PythonCAD.Generic import dwgbase from PythonCAD.Generic import dwgutil r14 = False # ugh, a global variable ... def dump_info(handle): global r14 _offsets = {} handle.seek(0, 0) # start of file _buf = handle.read(6) if _buf == 'AC1012': print "Autocad 13 format" elif _buf== 'AC1014': print "Autocad 14 format" r14 = True else: print "unknown format" return # print "offset at %#x" % handle.tell() _buf = array.array('B') _buf.fromfile(handle, 7) # if _buf[0] != 0: # print "buf[0] != 0" # if _buf[1] != 0: # print "buf[1] != 0" # if _buf[2] != 0: # print "buf[2] != 0" # if _buf[3] != 0: # print "buf[3] != 0" # if _buf[4] != 0: # print "buf[4] != 0" # if _buf[5] != 0: # ACADMAINTVER in Autocad 14 # print "buf[5] != 0" # if _buf[6] != 1: # print "buf[6] != 1" print "offset at %#x" % handle.tell() # # ub1 and ub2 are unknown bytes # _image_seeker, _ub1, _ub2 = struct.unpack('<lBB', handle.read(6)) if _image_seeker != 0: _offsets['IMAGE'] = _image_seeker _offset = handle.tell() _bmpdata, _wmfdata = read_image(handle, _image_seeker) handle.seek(_offset, 0) print "image seeker to %#x" % _image_seeker print "offset at %#x" % handle.tell() _codepage, _count = struct.unpack('<hl', handle.read(6)) print "codepage: %d" % _codepage print "count: %d" % _count print "offset at %#x" % handle.tell() _recs = {} _sizes = {} for _i in range(_count): _rec, _seek, _size = struct.unpack('<bll', handle.read(9)) print "record: %d" % _rec print "seek: %d" % _seek print "size: %d" % _size print "offset at %#x" % handle.tell() _recs[_rec] = (_seek, _size) if _rec == 0: # header print "hit header rec" _offsets['HEADER'] = _seek _sizes['HEADER'] = _size elif _rec == 1: # class print "hit class rec" _offsets['CLASS'] = _seek _sizes['CLASS'] = _size elif _rec == 2: # object map print "hit object map rec" _offsets['OBJECT_MAP'] = _seek _sizes['OBJECT_MAP'] = _size elif _rec == 3: # unknown print "hit unknown rec" _offsets['R14_UNKNOWN'] = _seek _sizes['R14_UNKNOWN'] = _size elif _rec == 4: # r14 where there may be data stored print "hit data rec" _offsets['R14_DATA'] = _seek _sizes['R14_DATA'] = _size elif _rec == 5: # occasionally exists print "hit rec5" _offsets['R14_REC5'] = _seek _sizes['R14_REC5'] = _size else: raise ValueError, "Unexpected record number %d" % _rec _crc = struct.unpack('<h', handle.read(2))[0] print "crc: %#x" % _crc _s = array.array('B') _s.fromfile(handle, 16) if _s[0] != 0x95: raise ValueError, "_s[0] != 0x95" if _s[1] != 0xa0: raise ValueError, "_s[1] != 0xa0" if _s[2] != 0x4e: raise ValueError, "_s[2] != 0x4e" if _s[3] != 0x28: raise ValueError, "_s[3] != 0x28" if _s[4] != 0x99: raise ValueError, "_s[4] != 0x99" if _s[5] != 0x82: raise ValueError, "_s[5] != 0x82" if _s[6] != 0x1a: raise ValueError, "_s[6] != 0x1a" if _s[7] != 0xe5: raise ValueError, "_s[7] != 0xe5" if _s[8] != 0x5e: raise ValueError, "_s[8] != 0x5e" if _s[9] != 0x41: raise ValueError, "_s[9] != 0x41" if _s[10] != 0xe0: raise ValueError, "_s[10] != 0xe0" if _s[11] != 0x5f: raise ValueError, "_s[11] != 0x5f" if _s[12] != 0x9d: raise ValueError, "_s[12] != 0x9d" if _s[13] != 0x3a: raise ValueError, "_s[13] != 0x3a" if _s[14] != 0x4d: raise ValueError, "_s[14] != 0x4d" if _s[15] != 0x00: raise ValueError, "_s[15] != 0x00" print "offset at %#x" % handle.tell() # # read header # print "reading header data ..." _offset = _offsets['HEADER'] _size = _sizes['HEADER'] _header_data = read_header(handle, _offset, _size) _hmap = decode_header_data(_header_data) _keys = _hmap.keys() _keys.sort() print "HEADER variables:" for _key in _keys: print "%s => %s" % (_key, str(_hmap[_key])) # # read class section # print "reading class data ..." _offset = _offsets['CLASS'] _size = _sizes['CLASS'] _class_data = read_class(handle, _offset, _size) print "class data offset: %d [%#x]" % (_offset, _offset) print "read %d bytes" % _size _cmap = decode_class_data(_class_data) # # read object section # print "reading object map data ..." _offset = _offsets['OBJECT_MAP'] _size = _sizes['OBJECT_MAP'] _sections = read_object_map(handle, _offset, _size) _objmap = decode_object_map(_sections) # # read the objects from the object map # _objects = read_objects(handle, _objmap, _cmap) # # read unknown section # print "reading unknown section ..." _offset = _offsets['R14_UNKNOWN'] _size = _sizes['R14_UNKNOWN'] # apparently always 53 ... handle.seek(_offset, 0) _unknown_data = handle.read(_size) # # read second header - apparently this starts immediately # following the unknown section ... # print "reading second header ..." _offset = handle.tell() _second_data = read_second_header(handle, _offset) _second_map = decode_second_header(_second_data) def initialize_dwg(dwg): _handle = dwg.getHandle() _handle.seek(0, 0) _buf = _handle.read(6) if _buf != 'AC1012': if _buf != 'AC1014': raise ValueError, "File not R13/R14 DWG format" _handle.seek(7, 1) # padding and a revision byte _offset = struct.unpack('<l', _handle.read(4))[0] if _offset != 0: dwg.setOffset('IMAGES', (_offset, None)) _handle.seek(2, 1) # two unknown bytes _codepage, _count = struct.unpack('<hl', _handle.read(6)) for _i in range(_count): _rec, _seek, _size = struct.unpack('<Bll', _handle.read(9)) if _rec == 0: # header dwg.setOffset('HEADERS', (_seek, _size)) elif _rec == 1: # class dwg.setOffset('CLASSES', (_seek, _size)) elif _rec == 2: # object map dwg.setOffset('OBJECTS', (_seek, _size)) elif _rec == 3: # unknown dwg.setOffset('UNKNOWN', (_seek, _size)) elif _rec == 4: # r14 where there may be data stored dwg.setOffset('R14DATA', (_seek, _size)) elif _rec == 5: # occasionally exists dwg.setOffset('R14REC5', (_seek, _size)) else: raise ValueError, "Unexpected record number %d" % _rec _crc = struct.unpack('<h', _handle.read(2))[0] _s = array.array('B') _s.fromfile(_handle, 16) if _s[0] != 0x95: raise ValueError, "_s[0] != 0x95" if _s[1] != 0xa0: raise ValueError, "_s[1] != 0xa0" if _s[2] != 0x4e: raise ValueError, "_s[2] != 0x4e" if _s[3] != 0x28: raise ValueError, "_s[3] != 0x28" if _s[4] != 0x99: raise ValueError, "_s[4] != 0x99" if _s[5] != 0x82: raise ValueError, "_s[5] != 0x82" if _s[6] != 0x1a: raise ValueError, "_s[6] != 0x1a" if _s[7] != 0xe5: raise ValueError, "_s[7] != 0xe5" if _s[8] != 0x5e: raise ValueError, "_s[8] != 0x5e" if _s[9] != 0x41: raise ValueError, "_s[9] != 0x41" if _s[10] != 0xe0: raise ValueError, "_s[10] != 0xe0" if _s[11] != 0x5f: raise ValueError, "_s[11] != 0x5f" if _s[12] != 0x9d: raise ValueError, "_s[12] != 0x9d" if _s[13] != 0x3a: raise ValueError, "_s[13] != 0x3a" if _s[14] != 0x4d: raise ValueError, "_s[14] != 0x4d" if _s[15] != 0x00: raise ValueError, "_s[15] != 0x00" # # set the data reading functions # dwg.setReader('IMAGES', get_images) dwg.setReader('HEADERS', get_headers) dwg.setReader('CLASSES', get_classes) dwg.setReader('OBJECTS', get_objects) dwg.setReader('OFFSETS', get_offsets) dwg.setReader('OBJECT', get_object) def get_images(dwg): _handle = dwg.getHandle() _offset, _size = dwg.getOffset('IMAGES') # size is None _handle.seek(_offset, 0) _s = array.array('B') _s.fromfile(_handle, 16) if _s[0] != 0x1f: raise ValueError, "_s[0] != 0x1f" if _s[1] != 0x25: raise ValueError, "_s[1] != 0x25" if _s[2] != 0x6d: raise ValueError, "_s[2] != 0x6d" if _s[3] != 0x07: raise ValueError, "_s[3] != 0x07" if _s[4] != 0xd4: raise ValueError, "_s[4] != 0xd4" if _s[5] != 0x36: raise ValueError, "_s[5] != 0x36" if _s[6] != 0x28: raise ValueError, "_s[6] != 0x28" if _s[7] != 0x28: raise ValueError, "_s[7] != 0x28" if _s[8] != 0x9d: raise ValueError, "_s[8] != 0x9d" if _s[9] != 0x57: raise ValueError, "_s[9] != 0x57" if _s[10] != 0xca: raise ValueError, "_s[10] != 0xca" if _s[11] != 0x3f: raise ValueError, "_s[11] != 0x3f" if _s[12] != 0x9d: raise ValueError, "_s[12] != 0x9d" if _s[13] != 0x44: raise ValueError, "_s[13] != 0x44" if _s[14] != 0x10: raise ValueError, "_s[14] != 0x10" if _s[15] != 0x2b: raise ValueError, "_s[15] != 0x2b" _size, _count = struct.unpack('<lB', _handle.read(5)) _headerstart = _headersize = None _headerdata = array.array('B') _bmpstart = _bmpsize = None _bmpdata = array.array('B') _wmfstart = _wmfsize = None _wmfdata = array.array('B') for _i in range(_count): _code, _start, _imgsize = struct.unpack('<Bll', _handle.read(9)) print "code: %#x" % _code if _code == 1: # header _headerstart = _start _headersize = _imgsize elif _code == 2: # bmp _bmpstart = _start _bmpsize = _imgsize elif _code == 3: # wmf _wmfstart = _start _wmfsize = _imgsize else: raise ValueError, "unexpected code: %#x" % _code if _headerstart is not None and _headersize is not None: _handle.seek(_headerstart, 0) _headerdata.fromfile(_handle, _headersize) if _bmpstart is not None and _bmpsize is not None: _handle.seek(_bmpstart, 0) _bmpdata.fromfile(_handle, _bmpsize) if _wmfstart is not None and _wmfsize is not None: _handle.seek(_wmfstart, 0) _wmfdata.fromfile(_handle, _wmfsize) _s.fromfile(_handle, 16) if _s[16] != 0xe0: raise ValueError, "_s[16] != 0xe0" if _s[17] != 0xda: raise ValueError, "_s[17] != 0xda" if _s[18] != 0x92: raise ValueError, "_s[18] != 0x92" if _s[19] != 0xf8: raise ValueError, "_s[19] != 0xf8" if _s[20] != 0x2b: raise ValueError, "_s[20] != 0x29" if _s[21] != 0xc9: raise ValueError, "_s[21] != 0xc9" if _s[22] != 0xd7: raise ValueError, "_s[22] != 0xd7" if _s[23] != 0xd7: raise ValueError, "_s[23] != 0xd7" if _s[24] != 0x62: raise ValueError, "_s[24] != 0x62" if _s[25] != 0xa8: raise ValueError, "_s[25] != 0xa8" if _s[26] != 0x35: raise ValueError, "_s[26] != 0x35" if _s[27] != 0xc0: raise ValueError, "_s[27] != 0xc0" if _s[28] != 0x62: raise ValueError, "_s[28] != 0x62" if _s[29] != 0xbb: raise ValueError, "_s[29] != 0xbb" if _s[30] != 0xef: raise ValueError, "_s[30] != 0xef" if _s[31] != 0xd4: raise ValueError, "_s[31] != 0xd4" if _bmpdata is not None: dwg.setImageData('BMP', _bmpdata) if _wmfdata is not None: dwg.setImageData('WMF', _wmfdata) def get_headers(dwg): _handle = dwg.getHandle() _offset, _size = dwg.getOffset('HEADERS') _handle.seek(_offset, 0) _s = array.array('B') _s.fromfile(_handle, 16) if _s[0] != 0xcf: raise ValueError, "_s[0] != 0xcf" if _s[1] != 0x7b: raise ValueError, "_s[1] != 0x7b" if _s[2] != 0x1f: raise ValueError, "_s[2] != 0x1f" if _s[3] != 0x23: raise ValueError, "_s[3] != 0x23" if _s[4] != 0xfd: raise ValueError, "_s[4] != 0xfd" if _s[5] != 0xde: raise ValueError, "_s[5] != 0xde" if _s[6] != 0x38: raise ValueError, "_s[6] != 0x38" if _s[7] != 0xa9: raise ValueError, "_s[7] != 0xa9" if _s[8] != 0x5f: raise ValueError, "_s[8] != 0x5f" if _s[9] != 0x7c: raise ValueError, "_s[9] != 0x7c" if _s[10] != 0x68: raise ValueError, "_s[10] != 0x68" if _s[11] != 0xb8: raise ValueError, "_s[11] != 0xb8" if _s[12] != 0x4e: raise ValueError, "_s[12] != 0x4e" if _s[13] != 0x6d: raise ValueError, "_s[13] != 0x6d" if _s[14] != 0x33: raise ValueError, "_s[14] != 0x33" if _s[15] != 0x5f: raise ValueError, "_s[15] != 0x5f" _size = struct.unpack('<l', _handle.read(4))[0] _data = array.array('B') _data.fromfile(_handle, _size) _crc = struct.unpack('<h', _handle.read(2))[0] _s.fromfile(_handle, 16) if _s[16] != 0x30: raise ValueError, "_s[16] != 0x30" if _s[17] != 0x84: raise ValueError, "_s[17] != 0x84" if _s[18] != 0xe0: raise ValueError, "_s[18] != 0xe0" if _s[19] != 0xdc: raise ValueError, "_s[19] != 0xdc" if _s[20] != 0x02: raise ValueError, "_s[20] != 0x02" if _s[21] != 0x21: raise ValueError, "_s[21] != 0x21" if _s[22] != 0xc7: raise ValueError, "_s[22] != 0xc7" if _s[23] != 0x56: raise ValueError, "_s[23] != 0x56" if _s[24] != 0xa0: raise ValueError, "_s[24] != 0xa0" if _s[25] != 0x83: raise ValueError, "_s[25] != 0x83" if _s[26] != 0x97: raise ValueError, "_s[26] != 0x97" if _s[27] != 0x47: raise ValueError, "_s[27] != 0x47" if _s[28] != 0xb1: raise ValueError, "_s[28] != 0xb1" if _s[29] != 0x92: raise ValueError, "_s[29] != 0x92" if _s[30] != 0xcc: raise ValueError, "_s[30] != 0xcc" if _s[31] != 0xa0: raise ValueError, "_s[31] != 0xa0" # # decode the data # _bitpos = 0 _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('VAL1', _val) # print "bit position: %d" % _bitpos _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('VAL2', _val) # print "bit position: %d" % _bitpos _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('VAL3', _val) # print "bit position: %d" % _bitpos _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('VAL4', _val) # print "bit position: %d" % _bitpos _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('STRING1', _string) # print "bit position: %d" % _bitpos _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('STRING2', _string) # print "bit position: %d" % _bitpos _bitpos, _str = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('STRING3', _string) # print "bit position: %d" % _bitpos _bitpos, _str = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('STRING4', _string) _bitpos, _val = dwgutil.get_bit_long(_data, _bitpos) dwg.setHeader('LONG1', _val) _bitpos, _val = dwgutil.get_bit_long(_data, _bitpos) dwg.setHeader('LONG2', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SHORT1', _val) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('HANDLE1', _handle) # print "bitpos: %d" % _bitpos _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMASO', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSHO', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSAV', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('PLINEGEN', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('ORTHOMODE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('REGENMODE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('FILLMODE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('QTEXTMODE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('PSLTSCALE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('LIMCHECK', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('BLIPMODE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('USER_TIMER', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('SKPOLY', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('ANGDIR', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('SPLFRAME', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('ATTREQ', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('ATTDIA', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('MIRRTEXT', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('WORLDVIEW', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('WIREFRAME', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('TILEMODE', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('PLIMCHECK', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('VISRETAIN', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DELOBJ', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DISPSILH', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('PELLISE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) if dwg.getVersion() == 'R14': dwg.setHeader('PROXYGRAPH', _val) else: dwg.setHeader('SAVEIMAGES', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DRAGMODE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('TREEDEPTH', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('LUNITS', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('LUPREC', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('AUNITS', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('AUPREC', _val) # print "bitpos at osmode: %d" % _bitpos _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('OSMODE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('ATTMODE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('COORDS', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('PDMODE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('PICKSTYLE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('USERI1', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('USERI2', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('USERI3', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('USERI4', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('USERI5', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SPLINESEGS', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SURFU', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SURFV', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SURFTYPE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SURFTAB1', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SURFTAB2', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SPLINETYPE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SHADEDGE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('SHADEDIF', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('UNITMODE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('MAXACTVP', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('ISOLINES', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('CMLJUST', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('TEXTQLTY', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('LTSCALE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('TEXTSIZE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('TRACEWID', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('SKETCHINC', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('FILLETRAD', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('THICKNESS', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('ANGBASE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PDSIZE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PLINEWID', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('USERR1', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('USERR2', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('USERR3', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('USERR4', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('USERR5', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('CHAMFERA', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('CHAMFERB', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('CHAMFERC', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('CHAMFERD', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('FACETRES', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('CMLSCALE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('CELTSCALE', _val) _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('MENUNAME', _val) _bitpos, _val1 = dwgutil.get_bit_long(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_long(_data, _bitpos) dwg.setHeader('TDCREATE', (_val1, _val2)) _bitpos, _val1 = dwgutil.get_bit_long(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_long(_data, _bitpos) dwg.setHeader('TDUPDATE', (_val1, _val2)) _bitpos, _val1 = dwgutil.get_bit_long(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_long(_data, _bitpos) dwg.setHeader('TDINDWG', (_val1, _val2)) _bitpos, _val1 = dwgutil.get_bit_long(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_long(_data, _bitpos) dwg.setHeader('TDUSRTIMER', (_val1, _val2)) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('CECOLOR', _val) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('HANDSEED', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('CLAYER', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('TEXTSTYLE', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('CELTYPE', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('DIMSTYLE', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('CMLSTYLE', _handle) # print "bitpos: %d" % _bitpos _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_INSBASE', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_EXTMIN', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_EXTMAX', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_raw_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_raw_double(_data, _bitpos) dwg.setHeader('PSPACE_LIMMIN', (_val1, _val2)) _bitpos, _val1 = dwgutil.get_raw_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_raw_double(_data, _bitpos) dwg.setHeader('PSPACE_LIMMAX', (_val1, _val2)) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_ELEVATION', _val) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_UCSORG', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_UCSXDIR', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('PSPACE_UCSYDIR', (_val1, _val2, _val3)) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('PSPACE_UCSNAME', _handle) #print "bitpos: %d" % _bitpos _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_INSBASE', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_EXTMIN', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_EXTMAX', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_raw_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_raw_double(_data, _bitpos) dwg.setHeader('MSPACE_LIMMIN', (_val1, _val2)) _bitpos, _val1 = dwgutil.get_raw_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_raw_double(_data, _bitpos) dwg.setHeader('MSPACE_LIMMAX', (_val1, _val2)) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_ELEVATION', _val) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_UCSORG', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_UCSXDIR', (_val1, _val2, _val3)) _bitpos, _val1 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val2 = dwgutil.get_bit_double(_data, _bitpos) _bitpos, _val3 = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('MSPACE_UCSYDIR', (_val1, _val2, _val3)) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('MSPACE_UCSNAME', _handle) # print "bitpos: %d" % _bitpos _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMTOL', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMLIM', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMTIH', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMTOH', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSE1', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSE2', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMALT', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMTOFL', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSAH', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMTIX', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSOXD', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMALTD', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMZIN', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSD1', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMSD2', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMTOLJ', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMJUST', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMFINT', _val) _bitpos, _val = dwgutil.test_bit(_data, _bitpos) dwg.setHeader('DIMUPT', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMTZIN', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMMALTZ', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMMALTTZ', _val) _bitpos, _val = dwgutil.get_raw_char(_data, _bitpos) dwg.setHeader('DIMTAD', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMUNIT', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMAUNIT', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMDEC', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMTDEC', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMALTU', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMALTTD', _val) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('DIMTXSTY', _handle) # print "bitpos: %d" % _bitpos _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMSCALE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMASZ', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMEXO', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMDLI', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMEXE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMAND', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMDLE', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMTP', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMTM', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMTXT', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMCEN', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMSZ', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMALTF', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMLFAC', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMTVP', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMTFAC', _val) _bitpos, _val = dwgutil.get_bit_double(_data, _bitpos) dwg.setHeader('DIMGAP', _val) _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('DIMPOST', _val) _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('DIMAPOST', _val) _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('DIMBLK', _string) _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('DIMBLK1', _string) _bitpos, _string = dwgutil.get_text_string(_data, _bitpos) dwg.setHeader('DIMBLK2', _string) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMCLRD', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMCLRE', _val) _bitpos, _val = dwgutil.get_bit_short(_data, _bitpos) dwg.setHeader('DIMCLRT', _val) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('BLOCK_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('LAYER_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('STYLE_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('LINETYPE_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('VIEW_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('UCS_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('VPORT_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('APPID_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('DIMSTYLE_CONTROL_OBJECT', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('VIEWPORT_ENTITY_HEADER', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('ACAD_GROUP_DICTIONARY', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('ACAD_MLINE_DICTIONARY', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('NAMED_OBJECT_DICTONARY', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('PAPER_BLOCK_RECORD', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('MODEL_BLOCK_RECORD', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('LTYPE_BYLAYER', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('LTYPE_BYBLOCK', _handle) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) dwg.setHeader('LTYPE_CONTINUOUS', _handle) # print "bitpos: %d" % _bitpos # print "bitpos after LTYPE (CONTINUOUS): %d" % _bitpos # # remaing bits are unknown, and they end with possible # padding bits so that 16-bit CRC value after the data # is on a byte boundary - ignore them for now ... # def get_classes(dwg): _handle = dwg.getHandle() _offset, _size = dwg.getOffset('CLASSES') # size is ignored _handle.seek(_offset, 0) _s = array.array('B') _s.fromfile(_handle, 16) if _s[0] != 0x8d: raise ValueError, "_s[0] != 0x8d" if _s[1] != 0xa1: raise ValueError, "_s[1] != 0xa1" if _s[2] != 0xc4: raise ValueError, "_s[2] != 0xc4" if _s[3] != 0xb8: raise ValueError, "_s[3] != 0xb8" if _s[4] != 0xc4: raise ValueError, "_s[4] != 0xc4" if _s[5] != 0xa9: raise ValueError, "_s[5] != 0xa9" if _s[6] != 0xf8: raise ValueError, "_s[6] != 0xf8" if _s[7] != 0xc5: raise ValueError, "_s[7] != 0xc5" if _s[8] != 0xc0: raise ValueError, "_s[8] != 0xc0" if _s[9] != 0xdc: raise ValueError, "_s[9] != 0xdc" if _s[10] != 0xf4: raise ValueError, "_s[10] != 0xf4" if _s[11] != 0x5f: raise ValueError, "_s[11] != 0x5f" if _s[12] != 0xe7: raise ValueError, "_s[12] != 0xe7" if _s[13] != 0xcf: raise ValueError, "_s[13] != 0xcf" if _s[14] != 0xb6: raise ValueError, "_s[14] != 0xb6" if _s[15] != 0x8a: raise ValueError, "_s[15] != 0x8a" _size = struct.unpack('<l', _handle.read(4))[0] _data = array.array('B') _data.fromfile(_handle, _size) _crc = struct.unpack('<h', _handle.read(2))[0] _s.fromfile(_handle, 16) if _s[16] != 0x72: raise ValueError, "_s[16] != 0x72" if _s[17] != 0x5e: raise ValueError, "_s[17] != 0x5e" if _s[18] != 0x3b: raise ValueError, "_s[18] != 0x3b" if _s[19] != 0x47: raise ValueError, "_s[19] != 0x47" if _s[20] != 0x3b: raise ValueError, "_s[20] != 0x3b" if _s[21] != 0x56: raise ValueError, "_s[21] != 0x56" if _s[22] != 0x07: raise ValueError, "_s[22] != 0x07" if _s[23] != 0x3a: raise ValueError, "_s[23] != 0x3a" if _s[24] != 0x3f: raise ValueError, "_s[24] != 0x3f" if _s[25] != 0x23: raise ValueError, "_s[25] != 0x23" if _s[26] != 0x0b: raise ValueError, "_s[26] != 0x0b" if _s[27] != 0xa0: raise ValueError, "_s[27] != 0xa0" if _s[28] != 0x18: raise ValueError, "_s[28] != 0x18" if _s[29] != 0x30: raise ValueError, "_s[29] != 0x30" if _s[30] != 0x49: raise ValueError, "_s[30] != 0x49" if _s[31] != 0x75: raise ValueError, "_s[31] != 0x75" # # get the class info from the data array # _maxbit = _size * 8 _bitpos = 0 while (_bitpos + 8) < _maxbit: # watch out for padding bits ... _bitpos, _classnum = dwgutil.get_bit_short(_data, _bitpos) _bitpos, _ver = dwgutil.get_bit_short(_data, _bitpos) _bitpos, _appname = dwgutil.get_text_string(_data, _bitpos) _bitpos, _cppcn = dwgutil.get_text_string(_data, _bitpos) _bitpos, _dxfname = dwgutil.get_text_string(_data, _bitpos) _bitpos, _zombie = dwgutil.test_bit(_data, _bitpos) _bitpos, _id = dwgutil.get_bit_short(_data, _bitpos) dwg.setDxfName(_classnum, _dxfname) dwg.setClass(_classnum, (_ver, _appname, _cppcn, _zombie, _id)) def get_objects(dwg): for _offset in dwg.getEntityOffset(): _obj = get_object(dwg, _offset) dwg.setObject(_obj) def get_offsets(dwg): _handle = dwg.getHandle() _offset, _size = dwg.getOffset('OBJECTS') # size is ignored _handle.seek(_offset, 0) while True: _data = array.array('B') _size = struct.unpack('>h', _handle.read(2))[0] # big-endian size if _size == 2: # section is just CRC break _data.fromfile(_handle, _size) # # the spec says 'last_handle' and 'last_loc' are initialized outside # the outer for loop - postings on OpenDWG forum say these variables # must be initialized for each section # _last_handle = 0 _last_loc = 0 _bitpos = 0 _bitmax = (_size - 2) * 8 # remove two bytes for section CRC # # there should be something done with the CRC for section ... # while _bitpos < _bitmax: _bitpos, _hoffset = dwgutil.get_modular_char(_data, _bitpos) _last_handle = _last_handle + _hoffset _bitpos, _foffset = dwgutil.get_modular_char(_data, _bitpos) _last_loc = _last_loc + _foffset dwg.addEntityOffset(_last_handle, _last_loc) def r1314_read_objects(dwg): global r14 _version = dwg.getVersion() if _version == 'R14': r14 = True _handle = dwg.getHandle() _offset, _size = dwg.getOffset('OBJECTS') _sections = read_object_map(_handle, _offset, _size) _omap = decode_object_map(_sections) _classes = dwg.getClassKeys() _cmap = {} for _class in _classes: _cmap[_class] = dwg.getClass(_class) for _obj in read_objects(_handle, _omap, _cmap): dwg.setObject(_obj) def read_object_map(handle, offset, size): # print "read_object_map() ..." handle.seek(offset, 0) _at = handle.tell() # print "offset at %d [%#x]" % (_at, _at) _read = True _sections = [] while _read: # print "reading section ..." _secdata = array.array('B') _size = struct.unpack('>h', handle.read(2))[0] # print "section size: %d" % _size if _size == 2: _read = False _secdata.fromfile(handle, _size) _sections.append(_secdata) return _sections def decode_object_map(seclist): _map = {} # # the spec says 'last_handle' and 'last_loc' are initialized outside # the outer for loop - postings on OpenDWG forum say these variables # must be initialized for each section # _i = 0 for _sec in seclist: _last_handle = 0 _last_loc = 0 _bitpos = 0 _seclen = len(_sec) if _seclen == 2: # section of just CRC break _bitmax = (_seclen - 2) * 8 # remove two bytes for section CRC while _bitpos < _bitmax: # print "i: %d" % _i # print "bitpos: %d" % _bitpos _bitpos, _hoffset = dwgutil.get_modular_char(_sec, _bitpos) # print "hoffset: %d" % _hoffset _last_handle = _last_handle + _hoffset # print "last_handle: %d [%#x]" % (_last_handle, _last_handle) # print "bitpos: %d" % _bitpos _bitpos, _foffset = dwgutil.get_modular_char(_sec, _bitpos) # print "foffset: %d" % _foffset _last_loc = _last_loc + _foffset # print "last loc: %d [%#x]" % (_last_loc, _last_loc) _map[_i] = (_last_handle, _foffset, _last_loc) # print "object: %d; mapping: %s" % (_i, str(_map[_i])) # print "bitpos before incrementing i: %d" % _bitpos _i = _i + 1 return _map # # read the common parts at the start of an entity def header_read(ent, data, offset): _bitpos = offset _mode = dwgutil.get_bits(data, 2, _bitpos) _bitpos = _bitpos + 2 ent.setMode(_mode) _bitpos, _rnum = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_rnum) _bitpos, _islayer = dwgutil.test_bit(data, _bitpos) ent.setIsLayerByLinetype(_islayer) _bitpos, _nolinks = dwgutil.test_bit(data, _bitpos) ent.setNoLinks(_nolinks) _bitpos, _color = dwgutil.get_bit_short(data, _bitpos) ent.setColor(_color) _bitpos, _ltscale = dwgutil.get_bit_double(data, _bitpos) ent.setLinetypeScale(_ltscale) _bitpos, _invis = dwgutil.get_bit_short(data, _bitpos) ent.setInvisiblity(_invis) return _bitpos # # read the common parts at the end of many entities # def tail_read(ent, data, offset): _bitpos = offset if ent.getMode() == 0x0: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setSubentity(_handle) for _i in range(ent.getNumReactors()): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setLayer(_handle) if ent.getIsLayerByLinetype() is False: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setLinetype(_handle) if ent.getNoLinks() is False: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setPrevious(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setNext(_handle) return _bitpos # # read the various entities stored in the DWG file # def text_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('alignment_point', (_x, _y)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('oblique_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('rotation_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('generation', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('halign', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('valign', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('style_handle', _handle) def attrib_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('alignment_point', (_x, _y)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('oblique_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('rotation_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('generation', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('halign', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('valign', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('tag', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('field_length', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('style_handle', _handle) def attdef_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('alignment_point', (_x, _y)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('oblique_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('rotation_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('generation', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('halign', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('valign', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('tag', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('field_length', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('prompt', _text) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('style_handle', _handle) def block_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos = tail_read(ent, data, _bitpos) def endblk_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos = tail_read(ent, data, _bitpos) def seqend_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos = tail_read(ent, data, _bitpos) def insert_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('rotation', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _hasattr = dwgutil.test_bit(data, _bitpos) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('block_header_handle', _handle) if _hasattr: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_attrib_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_attrib_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('seqend_handle', _handle) def minsert_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('rotation', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _hasattr = dwgutil.test_bit(data, _bitpos) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('column_count', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('row_count', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('column_spacing', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('row_spacing', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('block_header_handle', _handle) if _hasattr: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_attrib_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_attrib_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('seqend_handle', _handle) def vertex2d_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos, _sw = dwgutil.get_bit_double(data, _bitpos) if _sw < 0.0: _sw = _ew = abs(_sw) else: _bitpos, _ew = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('start_width', _sw) ent.setEntityData('end_width', _ew) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('bulge', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('tangent_dir', _val) _bitpos = tail_read(ent, data, _bitpos) def vertex3d_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def vertex_mesh_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def vertex_pface_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def vertex_pface_face_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _v1 = dwgutil.get_bit_short(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_short(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_short(data, _bitpos) _bitpos, _v4 = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('points', (_v1, _v2, _v3, _v4)) _bitpos = tail_read(ent, data, _bitpos) def polyline2d_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('curve_type', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('start_width', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('end_width', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('seqend_handle', _handle) def polyline3d_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('spline_flags', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('closed_flags', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('seqend_handle', _handle) def arc_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('center', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('radius', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('start_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('end_angle', _val) _bitpos = tail_read(ent, data, _bitpos) def circle_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('center', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('radius', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def line_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('p1', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('p2', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def dimord_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('13-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('14-pt', (_v1, _v2, _v3)) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags2', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def dimlin_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('13-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('14-pt', (_v1, _v2, _v3)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ext_ln_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('dimension_rotation', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def dimalign_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('13-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('14-pt', (_v1, _v2, _v3)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ext_ln_rotation', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def dimang3p_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('13-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('14-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('15-pt', (_v1, _v2, _v3)) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def dimang2l_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('16-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('13-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('14-pt', (_v1, _v3, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('15-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def dimrad_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('15-pt', (_v1, _v2, _v3)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('leader_length', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def dimdia_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('text_midpoint', (_x, _y)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('text_rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('horiz_dir', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_scale', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ins_rotation', _val) _bitpos, _v1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('12-pt', (_v1, _v2)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('10-pt', (_v1, _v2, _v3)) _bitpos, _v1 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v2 = dwgutil.get_bit_double(data, _bitpos) _bitpos, _v3 = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('15-pt', (_v1, _v2, _v3)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('leader_length', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('anon_block_handle', _handle) def point_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('x_axis_angle', _val) _bitpos = tail_read(ent, data, _bitpos) def face3d_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('corner1', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('corner2', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('corner3', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('corner4', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('flags', _val) _bitpos = tail_read(ent, data, _bitpos) def pface_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('vertex_count', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('face_count', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('seqend_handle', _handle) def mesh_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('curve_type', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('m_verticies', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('n_verticies', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('m_density', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('n_density', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_vertex_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('seqend_handle', _handle) def solid_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _elev = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _elev) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner1', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner2', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner3', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner4', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def trace_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _elev = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _elev) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner1', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner2', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner3', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner4', (_x, _y, _elev)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def shape_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('scale', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('rotation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('oblique', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('shape_number', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('shapefile_handle', _handle) def viewport_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('center', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('vport_entity_handle', _handle) def ellipse_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('center', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('major_axis_vector', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('axis_ratio', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('start_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('end_angle', _val) _bitpos = tail_read(ent, data, _bitpos) def spline_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _sc = dwgutil.get_bit_short(data, _bitpos) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('degree', _val) _nknots = _nctlpts = _nfitpts = 0 _weight = False if _sc == 2: _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('fit_tolerance', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('begin_tan_vector', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('end_tan_vector', (_x, _y, _z)) _bitpos, _nfitpts = dwgutil.get_bit_short(data, _bitpos) elif _sc == 1: _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('rational', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('closed', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('periodic', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('knot_tolerance', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('control_tolerance', _val) _bitpos, _nknots = dwgutil.get_bit_long(data, _bitpos) _bitpos, _nctlpts = dwgutil.get_bit_long(data, _bitpos) _bitpos, _weight = dwgutil.test_bit(data, _bitpos) else: raise ValueError, "Unexpected scenario: %d" % _sc if _nknots: _knots = [] for _i in range(_nknots): _bitpos, _knot = dwgutil.get_bit_double(data, _bitpos) _knots.append(_knot) ent.setEntityData('knot_points', _knots) if _nctlpts: _ctrlpts = [] _weights = [] for _i in range(_nctlpts): _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _ctrlpts.append((_x, _y, _z)) if _weight: _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) _weights.append(_val) ent.setEntityData('control_points', _ctrlpts) ent.setEntityData('weights', _weights) if _nfitpts: _fitpts = [] for _i in range(_nfitpts): _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _fitpts.append((_x, _y, _z)) ent.setEntityData('fit_points', _fitpts) _bitpos = tail_read(ent, data, _bitpos) def rsb_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _itype = dwgutil.get_bit_short(data, _bitpos) if (_itype == 64): _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) _bitpos, _cib = dwgutil.get_bit_long(data, _bitpos) _data = [] while (_cib != 0): _chars = [] for _i in range(_cib): _bitpos, _ch = dwgutil.get_raw_char(data, _bitpos) if (0x20 < _ch < 0x7e): _sat = 0x9f - _ch elif (_ch == ord("\t")): _sat = ord(" ") else: _sat = _ch _chars.append(_sat) _data.append("".join(_chars)) _bitpos, _cib = dwgutil.get_bit_long(data, _bitpos) else: raise ValueError, "Unexpected itemtype: %d" % _itype # # OpenDWG specs say there is stuff here but they haven't # figured it out, plus there is the tailing handles # skip this for now ... # _bitpos = tail_read(ent, data, _bitpos) def ray_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('vector', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def xline_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('vector', (_x, _y, _z)) _bitpos = tail_read(ent, data, _bitpos) def dict_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_short(data, _bitpos) _bitpos, _ni = dwgutil.get_bit_long(data, _bitpos) if ent.getVersion() == 'R14': _bitpos, _u = dwgutil.get_raw_char(data, _bitpos) if _ni: _strings = [] for _i in range(_ni): _bitpos, _text = dwgutil.get_text_string(data, _bitpos) _strings.append(_text) ent.setEntityData('strings', _strings) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ni: _items = [] for _i in range(_ni): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _items.append(_handle) ent.setEntityData('items', _items) def mtext_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('x_axis_dir', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('attachment', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('drawing_dir', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ext_height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('ext_width', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('text', _text) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('style_handle', _handle) def leader_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.test_bit(data, _bitpos) # unknown _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('annotation_type', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('path_type', _val) _bitpos, _npts = dwgutil.get_bit_short(data, _bitpos) _points = [] for _i in range(_npts): _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _points.append((_x, _y, _z)) ent.setEntityData('points', _points) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('end_pt_proj', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('x_direction', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('offset_block_insp_pt', (_x, _y, _z)) # # the following unknown is only in R14 ... # if ent.getVersion() == 'R14': _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('dimgap', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('box_height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('box_width', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('hooklineoxdir', _val) # ??? _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('arrowhead_on', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('arrowhead_type', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('dimasz',_val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) # unknown _bitpos, _val = dwgutil.test_bit(data, _bitpos) # unknown _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) # unknown _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('by_block_color', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) # unknown _bitpos, _val = dwgutil.test_bit(data, _bitpos) # unknown _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('associated_annotation_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) def tolerance_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) # unknown _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('dimgap', _val) # maybe not??? _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('insertion_point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('x_direction', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) # should this be text_string? ent.setEntityData('text', _val) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_handle', _handle) def mline_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('scale', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('justification', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('base_point', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('open_closed', _val) _bitpos, _lis = dwgutil.get_raw_char(data, _bitpos) _bitpos, _nv = dwgutil.get_bit_short(data, _bitpos) _points = [] for _i in range(_nv): _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _vertex = (_x, _y, _z) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y= dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _direction = (_x, _y, _z) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) _miter_dir = (_x, _y, _z) _lines = [] for _j in range(_lis): _bitpos, _ns = dwgutil.get_bit_short(data, _bitpos) _segparms = [] for _k in range(_ns): _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) _segparms.append(_val) _bitpos, _na = dwgutil.get_bit_short(data, _bitpos) _fillparms = [] for _k in range(_na): _bitpos, _afp = dwgutil.get_bit_double(data, _bitpos) _fillparms.append(_afp) _lines.append((_segparms, _fillparms)) _points.append((_vertex, _direction, _miter_dir, _lines)) ent.setEntityData('points', _points) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('mline_style_handle', _handle) def block_control_reader(ent, data, offset): _bitpos = offset _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_val) _bitpos, _enum = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _enum: _handles = [] for _i in range(_enum): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('code_2_handles', _handles) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('*model_space_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('*paper_space_handle', _handle) def block_header_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('anonymous', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('has_attrs', _val) _bitpos, _bxref = dwgutil.test_bit(data, _bitpos) ent.setEntityData('blk_is_xref', _bxref) _bitpos, _xover = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xrefoverlaid', _xover) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('base_point', (_x, _y, _z)) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('xref_pname', _text) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('block_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('block_handle', _handle) if not _bxref and not _xover: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('first_entity_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('last_entity_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('endblk_handle', _handle) def layer_control_reader(ent, data, offset): _bitpos = offset _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_val) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('code_2_handles', _handles) def layer_reader(ent, data, offset): _bitpos = offset _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('frozen', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('on', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('frz_in_new', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('locked', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('color', _val) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('layer_control_handle', _handle) for _i in range(ent.getNumReactors()): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('linetype', _handle) def shapefile_control_reader(ent, data, offset): _bitpos = offset _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_val) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('shapefile_handles', _handles) def shapefile_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('vertical', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('shape_file', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('fixed_height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('fixed_width', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('oblique_angle', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('generation', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('last_height', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('font_name', _text) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('big_font_name', _text) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('shapefile_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) def linetype_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('code_2_handles', _handles) def linetype_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('description', _text) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('pattern_length', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('alignment', _val) _bitpos, _nd = dwgutil.get_raw_char(data, _bitpos) if _nd: _dashes = [] for _i in range(_nd): _bitpos, _dl = dwgutil.get_bit_double(data, _bitpos) _bitpos, _cs = dwgutil.get_bit_short(data, _bitpos) _bitpos, _xo = dwgutil.get_raw_double(data, _bitpos) _bitpos, _yo = dwgutil.get_raw_double(data, _bitpos) _bitpos, _scale = dwgutil.get_bit_double(data, _bitpos) _bitpos, _rot = dwgutil.get_bit_double(data, _bitpos) _bitpos, _sf = dwgutil.get_bit_short(data, _bitpos) _dashes.append((_dl, _cs, _xo, _yo, _scale, _rot, _sf)) ent.setEntityData('dashes', _dashes) _strings = dwgutil.get_bits(data, 256, _bitpos) # unknown ? _bitpos = _bitpos + 256 _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('ltype_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) def view_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('view_handles', _handles) def view_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('view_height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('view_width', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('view_center', (_x, _y)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('target', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('view_dir', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('twist_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('lens_length', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('front_clip', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('back_clip', _val) _val = dwgutil.get_bits(data, 4, _bitpos) _bitpos = _bitpos + 4 ent.setEntityData('view_control_flags', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('pspace_flag', _val) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('view_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) def ucs_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('ucs_handles', _handles) def ucs_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('origin', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('x_direction', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('y_direction', (_x, _y, _z)) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('ucs_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) def vport_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('vport_handles', _handles) def vport_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('view_height', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('aspect_ratio', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('view_center', (_x, _y)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('target', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('view_dir', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('twist_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('lens_length', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('front_clip', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('back_clip', _val) _val = dwgutil.get_bits(data, 4, _bitpos) _bitpos = _bitpos + 4 ent.setEntityData('vport_flags', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('lower_left', (_x, _y)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('upper_right', (_x, _y)) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('ucsfollow', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('circle_zoom', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('fast_zoom', _val) _val = dwgutil.get_bits(data, 2, _bitpos) _bitpos = _bitpos + 2 ent.setEntityData('ucsicon', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('grid_status', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('grid_spacing', (_x, _y)) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('snap_status', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('snap_style', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('snap_isopair', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('snap_rotation', _val) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('snap_base', (_x, _y)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('snap_spacing', (_x, _y)) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('vport_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) def appid_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('appid_handles', _handles) def appid_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('appid_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) def dimstyle_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('dimstyle_handles', _handles) def dimstyle_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMTOL', _val) _bitpos, _flag = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMLIM', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMTIH', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMTOH', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMSE1', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMSE2', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMALT', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMTOFL', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMSAH', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMTIX', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMSOXD', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMALTD', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMZIN', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMSD1', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMSD2', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMTOLJ', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMJUST', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMFIT', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('DIMUPT', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMTZIN', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMALTZ', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMALTTZ', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('DIMTAD', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMUNIT', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMAUNIT', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMDEC', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMTDEC', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMALTU', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMALTTD', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMSCALE', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMASZ', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMEXO', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMDLI', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMEXE', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMAND', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMDLE', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMTP', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMTM', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMTXT', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMCEN', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMTSZ', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMALTF', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMLFAC', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMTVP', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMTFAC', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('DIMGAP', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('DIMPOST', _text) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('DIMAPOST', _text) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('DIMBLK', _text) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('DIMBLK1', _text) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('DIMBLK2', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMCLAD', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMCLRE', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('DIMCLRT', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) # unknown _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('dimstyle_control_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('shapefile_handle', _handle) def vpentity_control_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_short(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('vpentity_handles', _handles) def vpentity_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('64-flag', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('xrefplus', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('xdep', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('1-flag', _val) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('vpentity_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('null_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('next_vpentity_handle', _handle) def group_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('unnamed', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('selectable', _val) _bitpos, _nh = dwgutil.get_bit_long(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _nh: _handles = [] for _i in range(_nh): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('entry_handles', _handles) def mlinestyle_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('description', _text) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('flags', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('fill_color', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('start_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('end_angle', _val) _bitpos, _lc = dwgutil.get_raw_char(data, _bitpos) if _lc: _lines = [] for _i in range(_lc): _bitpos, _offset = dwgutil.get_bit_double(data, _bitpos) _bitpos, _color = dwgutil.get_bit_short(data, _bitpos) _bitpos, _ltindex = dwgutil.get_bit_short(data, _bitpos) _lines.append((_offset, _color, _ltindex)) ent.setEntityData('lines', _lines) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) def dictionaryvar_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('intval', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) # spec says bit short _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) def hatch_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('z_coord', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('name', _text) _bitpos, _solid_fill = dwgutil.test_bit(data, _bitpos) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('associative', _val) _bitpos, _np = dwgutil.get_bit_long(data, _bitpos) _allbounds = 0 _pixel = 0 _paths = [] for _i in range(_np): _bitpos, _pf = dwgutil.get_bit_long(data, _bitpos) if _pf & 0x4: _pixel = _pixel + 1 if (_pf & 0x2): # POLYLINE _bitpos, _bulges = dwgutil.test_bit(data, _bitpos) _bitpos, _closed = dwgutil.test_bit(data, _bitpos) _bitpos, _nps = dwgutil.get_bit_long(data, _bitpos) _segs = [] for _j in range(_nps): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _bulge = None if (_bulges): _bitpos, _bulge = dwgutil.get_bit_double(data, _bitpos) _segs.append((_x, _y, _bulge)) _paths.append(('polyline', _segs)) else: _bitpos, _nps = dwgutil.get_bit_long(data, _bitpos) _segs = [] for _j in range(_nps): _bitpos, _pts = dwgutil.get_raw_char(data, _bitpos) if (_pts == 1): # LINE _bitpos, _x1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y1 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _x2 = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y2 = dwgutil.get_raw_double(data, _bitpos) _segs.append(('line', _x1, _y1, _x2, _y2)) elif (_pts == 2): # CIRCULAR ARC _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _bitpos, _r = dwgutil.get_bit_double(data, _bitpos) _bitpos, _sa = dwgutil.get_bit_double(data, _bitpos) _bitpos, _ea = dwgutil.get_bit_double(data, _bitpos) _bitpos, _isccw = dwgutil.test_bit(data, _bitpos) _segs.append(('arc', _x, _y, _r, _sa, _ea, _isccw)) elif (_pts == 3): # ELLIPTICAL ARC _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _bitpos, _xe = dwgutil.get_raw_double(data, _bitpos) _bitpos, _ye = dwgutil.get_raw_double(data, _bitpos) _bitpos, _ratio = dwgutil.get_bit_double(data, _bitpos) _bitpos, _sa = dwgutil.get_bit_double(data, _bitpos) _bitpos, _ea = dwgutil.get_bit_double(data, _bitpos) _bitpos, _isccw = dwgutil.test_bit(data, _bitpos) _segs.append(('elliptical_arc', _x, _y, _xe, _ye, _ratio, _sa, _ea, _isccw)) elif (_pts == 4): # SPLINE _bitpos, _deg = dwgutil.get_bit_long(data, _bitpos) _bitpos, _israt = dwgutil.test_bit(data, _bitpos) _bitpos, _isper = dwgutil.test_bit(data, _bitpos) _bitpos, _nknots = dwgutil.get_bit_long(data, _bitpos) _bitpos, _nctlpts = dwgutil.get_bit_long(data, _bitpos) _knots = [] for _k in range(_nknots): _bitpos, _knot = dwgutil.get_bit_double(data, _bitpos) _knots.append(_knot) _ctlpts = [] for _k in range(_nctlpts): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _weight = None if (_israt): _bitpos, _weight = dwgutil.get_bit_double(data, _bitpos) _ctlpts.append((_x, _y, _weight)) _segs.append(('spline', _israt, _isper, _knots, _ctlpts)) else: raise ValueError, "Unexpected path type: %d" % _pts _paths.append(('stdpath', _segs)) _bitpos, _nbh = dwgutil.get_bit_long(data, _bitpos) _allbounds = _allbounds + _nbh _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('style', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('pattern_type', _val) if not _solid_fill: _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('fill_angle', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('fill_scale_or_spacing', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('file_doublehatch', _val) _bitpos, _ndf = dwgutil.get_bit_short(data, _bitpos) _lines = [] for _i in range(_ndf): _bitpos, _angle = dwgutil.get_bit_double(data, _bitpos) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _xo = dwgutil.get_bit_double(data, _bitpos) _bitpos, _yo = dwgutil.get_bit_double(data, _bitpos) _bitpos, _nds = dwgutil.get_bit_short(data, _bitpos) _dashes = [] for _j in range(_nds): _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('dashlength', _val) _lines.append((_angle, _x, _y, _xo, _yo, _dashes)) ent.setEntityData('fill_lines', _lines) if _pixel: _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('pixel_size', _val) _bitpos, _nsp = dwgutil.get_bit_long(data, _bitpos) if _nsp: _points = [] for _i in range(_nsp): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _points.append((_x, _y)) ent.setEntityData('seed_points', _points) for _i in range(ent.getNumReactors()): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('layer_handle', _handle) if ent.getIsLayerByLinetype() is False: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('linetype_handle', _handle) if ent.getNoLinks() is False: _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setPrevious(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setNext(_handle) _bounds = [] for _i in range(_allbounds): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _bounds.append(_handle) if len(_bounds): ent.setEntityData('boundary_handles', _bounds) def idbuffer_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) # unknown _bitpos, _nids = dwgutil.get_bit_long(data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _nids: _handles = [] for _i in range(_nids): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('objid_handles', _handles) def image_reader(ent, data, offset): _bitpos = offset _bitpos = header_read(ent, data, _bitpos) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('class_version', _val) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('pt0', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('uvec', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('vvec', (_x, _y, _z)) _bitpos, _val = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _val = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('display_props', _val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('clipping', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('brightness', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('contrast', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('fade', _val) _bitpos, _cbt = dwgutil.get_bit_short(data, _bitpos) if (_cbt == 1): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner1', (_x, _y)) _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('corner2', (_x, _y)) else: _bitpos, _ncv = dwgutil.get_bit_long(data, _bitpos) if _ncv: _verts = [] for _i in range(_ncv): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _verts.append((_x, _y)) ent.setEntityData('vertices', _verts) _bitpos = tail_read(ent, data, _bitpos) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('imagedef_handle', _handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('imagedef_reactor_handle', _handle) def imagedef_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('class_version', _val) _bitpos, _val = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('width', _val) _bitpos, _val = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('height', _val) _bitpos, _text = dwgutil.get_text_string(data, _bitpos) ent.setEntityData('filepath', _text) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setEntityData('is_loaded', _val) _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) ent.setEntityData('res_units', _val) _bitpos, _val = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('pixel_width', _val) _bitpos, _ph = dwgutil.get_raw_double(data, _bitpos) ent.setEntityData('pixel_height', _val) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) def imagedefreactor_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('class_version', _val) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) def layer_index_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('timestamp1', _val) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('timestamp2', _val) _bitpos, _ne = dwgutil.get_bit_long(data, _bitpos) if _ne: _indicies = [] for _i in range(_ne): _bitpos, _il = dwgutil.get_bit_long(data, _bitpos) _bitpos, _is = dwgutil.get_text_string(data, _bitpos) _indicies.append((_il, _is)) ent.setEntityData('index_handles', _indicies) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('entry_handles', _handles) def lwpline_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setIsLayerByLinetype(_val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) ent.setNoLinks(_val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setColor(_val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setLinetypeScale(_val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setInvisiblity(_val) _bitpos, _flag = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('flag', _flag) _val = 0.0 if (_flag & 0x4): _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('const_width', _val) _val = 0.0 if (_flag & 0x8): _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('elevation', _val) _val = 0.0 if (_flag & 0x2): _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('thickness', _val) _x = _y = _z = 0.0 if (_flag & 0x1): _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('normal', (_x, _y, _z)) _bitpos, _np = dwgutil.get_bit_long(data, _bitpos) _nb = 0 if (_flag & 0x10): _bitpos, _nb = dwgutil.get_bit_long(data, _bitpos) _nw = 0 if (_flag & 0x20): _bitpos, _nw = dwgutil.get_bit_long(data, _bitpos) if _np: _points = [] for _i in range(_np): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _points.append((_x, _y)) ent.setEntityData('points', _points) if _nb: _bulges = [] for _i in range(_nb): _bitpos, _val = dwgutil.get_raw_double(data, _bitpos) _bulges.append(_val) ent.setEntityData('bulges', _bulges) if _nw: _widths = [] for _i in range(_nw): _bitpos, _sw = dwgutil.get_bit_double(data, _bitpos) _bitpos, _ew = dwgutil.get_bit_double(data, _bitpos) _widths.append((_sw, _ew)) ent.setEntityData('widths', _widths) _bitpos = tail_read(ent, data, _bitpos) def rastervariables_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('class_version', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('dispfrm', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('dispqual', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('units', _val) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) def sortentstable_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ne = dwgutil.get_bit_long(data, _bitpos) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('sort_handles', _handles) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactor(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) # # the spec says there is an owner handle here # # _bitpos, _handle = dwgutil.get_handle(data, _bitpos) # print "owner handle: " + str(_handle) if _ne: _handles = [] for _i in range(_ne): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) _handles.append(_handle) ent.setEntityData('obj_handles', _handles) def spatial_filter_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _npts = dwgutil.get_bit_short(data, _bitpos) if _npts: _points = [] for _i in range(_npts): _bitpos, _x = dwgutil.get_raw_double(data, _bitpos) _bitpos, _y = dwgutil.get_raw_double(data, _bitpos) _points.append((_x, _y)) ent.setEntityData('points', _points) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('extrusion', (_x, _y, _z)) _bitpos, _x = dwgutil.get_bit_double(data, _bitpos) _bitpos, _y = dwgutil.get_bit_double(data, _bitpos) _bitpos, _z = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('clip_bound_origin', (_x, _y, _z)) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('disp_bound', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('front_clip_on', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('front_dist', _val) _bitpos, _val = dwgutil.get_bit_short(data, _bitpos) ent.setEntityData('back_clip_on', _val) _bitpos, _val = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('back_dist', _val) _invtr = array.array('d', 12 * [0.0]) for _i in range(12): _bitpos, _invtr[_i] = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('inv_array', _invtr) _clptr = array.array('d', 12 * [0.0]) for _i in range(12): _bitpos, _clptr[_i] = dwgutil.get_bit_double(data, _bitpos) ent.setEntityData('clip_array', _clptr) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setEntityData('parent_handle', _handle) for _i in range(_nr): _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.addReactors(_handle) _bitpos, _handle = dwgutil.get_handle(data, _bitpos) ent.setXdicobj(_handle) def spatial_index_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('timestamp1', _val) _bitpos, _val = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('timestamp2', _val) # # fixme - lots of unknown stuff here # ... def xrecord_reader(ent, data, offset): _bitpos = offset _bitpos, _nr = dwgutil.get_bit_long(data, _bitpos) ent.setNumReactors(_nr) _bitpos, _ndb = dwgutil.get_bit_long(data, _bitpos) ent.setEntityData('data_bytes', _ndb) # # fixme - more stuff here ... # _objprops = [ (True, None), # Unused [0x00] (True, text_reader), # Text (True, attrib_reader), # Attrib (True, attdef_reader), # Attdef (True, block_reader), # Block (True, endblk_reader), # Endblk (True, seqend_reader), # Seqend (True, insert_reader), # Insert (True, minsert_reader), # Minsert [0x08] (False, None), # Skipped [0x09] (True, vertex2d_reader), # Vertex_2D (True, vertex3d_reader), # Vertex_3D (True, vertex_mesh_reader), # Vertex_mesh (True, vertex_pface_reader), # Vertex_pface (True, vertex_pface_face_reader), # Vertex_pface_face (True, polyline2d_reader), # Polyline_2D (True, polyline3d_reader), # Polyline_3D [0x10] (True, arc_reader), # Arc, (True, circle_reader), # Circle, (True, line_reader), # Line (True, dimord_reader), # Dimension_ord (True, dimlin_reader), # Dimension_lin (True, dimalign_reader), # Dimension_align (True, dimang3p_reader), # Dimension_angle_3pt (True, dimang2l_reader), # Dimension_angle_2ln [0x18] (True, dimrad_reader), # Dimension_radius (True, dimdia_reader), # Dimension_diameter (True, point_reader), # Point (True, face3d_reader), # Face3D (True, pface_reader), # Polyline_pface (True, mesh_reader), # Polyline_mesh (True, solid_reader), # Solid (True, trace_reader), # Trace [0x20] (True, shape_reader), # Shape (True, viewport_reader), # Viewport (True, ellipse_reader), # Ellipse (True, spline_reader), # Spline (True, rsb_reader), # Region (True, rsb_reader), # Solid3D (True, rsb_reader), # Body (True, ray_reader), # Ray [0x28] (True, xline_reader), # Xline (False, dict_reader), # Dictionary (False, None), # Skipped [0x2b] (True, mtext_reader), # Mtext (True, leader_reader), # Leader (True, tolerance_reader), # Tolerance (True, mline_reader), # Mline (False, block_control_reader), # Block control [0x30] (False, block_header_reader), # Block header (False, layer_control_reader), # Layer control (False, layer_reader), # Layer (False, shapefile_control_reader), # Style control (False, shapefile_reader), # Style (False, None), # Skipped [0x36] (False, None), # Skipped [0x37] (False, linetype_control_reader), # Linetype control [0x38] (False, linetype_reader), # Linetype (False, None), # Skipped [0x3a] (False, None), # Skipped [0x3b] (False, view_control_reader), # View control [0x3c] (False, view_reader), # View (False, ucs_control_reader), # UCS control, (False, ucs_reader), # UCS (False, vport_control_reader), # Vport control [0x40] (False, vport_reader), # Vport (False, appid_control_reader), # Appid control (False, appid_reader), # Appid (False, dimstyle_control_reader), # Dimstyle control (False, dimstyle_reader), # Dimstyle (False, vpentity_control_reader), # VP ENT HDR control (False, vpentity_reader), # VP ENT HDR (False, group_reader), # Group [0x48] (False, mlinestyle_reader), # Mlinestyle ] _vobjmap = { 'DICTIONARYVAR' : dictionaryvar_reader, 'HATCH' : hatch_reader, 'IDBUFFER' : idbuffer_reader, 'IMAGE' : image_reader, 'IMAGEDEF' : imagedef_reader, 'IMAGEDEFREACTOR' : imagedefreactor_reader, 'LAYER_INDEX' : layer_index_reader, 'LWPLINE' : lwpline_reader, # 'OLE2FRAME' : ole2frame_reader, 'RASTERVARIABLES' : rastervariables_reader, 'SORTENTSTABLE' : sortentstable_reader, 'SPATIAL_FILTER' : spatial_filter_reader, 'SPATIAL_INDEX' : spatial_index_reader, 'XRECORD' : xrecord_reader } def read_objects(handle, objmap, cmap): # print "read_objects() ..." # # use the classmap to tie the variable object numbers # to the type of object for use in the vobjmap dict _vmap = {} for _key in cmap.keys(): _type = cmap[_key][3] # classdxfclassname field _vmap[_key] = _type # print "mapping type %d to %s" % (_key, _type) _objkeys = objmap.keys() _objkeys.sort() _objlist = [] for _obj in _objkeys: _ent = dwgbase.dwgEntity() _last_handle, _foffset, _last_loc = objmap[_obj] handle.seek(_last_loc, 0) # use absolete offset _size = dwgbase.get_modular_short(handle) _data = array.array('B') _data.fromfile(handle, _size) # _ent.setEntityData('bitstream', _data) _bitpos = 0 _bitpos, _type = dwgutil.get_bit_short(_data, _bitpos) _ent.setType(_type) # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) _ent.setHandle(_handle) # print "bitpos: %d" % _bitpos _eexdata = [] while True: _bitpos, _exsize = dwgutil.get_bit_short(_data, _bitpos) # print "extended data size: %d" % _exsize if _exsize == 0: break # print "bitpos: %d" % _bitpos _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) # print "eed handle: " + str(_handle) _count = 0 _eedata = [] while (_count < _exsize): # print "count: %d" % _count _bitpos, _cb = dwgutil.get_raw_char(_data, _bitpos) # print "code byte: %#x" % _cb _count = _count + 1 if _cb == 0x0: _bitpos, _slen = dwgutil.get_raw_char(_data, _bitpos) _bitpos, _cp = dwgutil.get_raw_short(_data, _bitpos) # print "code page: %d" % _cp _chars = [] for _i in range(_slen): _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos) _chars.append(chr(_char)) _string = "".join(_chars) _eedata.append(_string) _count = _count + 3 + _slen elif _cb == 0x1: raise ValueError, "Invalid EEX code byte: 0x1" elif _cb == 0x2: _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos) if _char == 0x0: _eedata.append("{") elif _char == 0x1: _eedata.append("}") else: raise ValueError, "Unexpected EEX char: %#02x" % _char _count = _count + 1 elif _cb == 0x3: # print "layer table reference" _chars = [] for _i in range(8): _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos) _chars.append(_char) _eedata.append(_chars) _count = _count + 8 elif _cb == 0x4: # print "binary chunk" _bitpos, _len = dwgutil.get_raw_char(_data, _bitpos) _chars = [] for _i in range(_len): _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos) _chars.append(_char) _eedata.append(_chars) _count = _count + 1 + _len elif _cb == 0x5: # print "entity handle reference" _chars = [] for _i in range(8): _bitpos, _char = dwgutil.get_raw_char(_data, _bitpos) _chars.append(_char) _eedata.append(_chars) _count = _count + 8 elif (0xa <= _cb <= 0xd): # print "three doubles" _bitpos, _d1 = dwgutil.get_raw_double(_data, _bitpos) _bitpos, _d2 = dwgutil.get_raw_double(_data, _bitpos) _bitpos, _d3 = dwgutil.get_raw_double(_data, _bitpos) _eedata.append((_d1, _d2, _d3)) _count = _count + 24 elif (0x28 <= _cb <= 0x2a): # print "one double" _bitpos, _d = dwgutil.get_raw_double(_data, _bitpos) _eedata.append(_d) _count = _count + 8 elif _cb == 0x46: # print "short int" _bitpos, _short = dwgutil.get_raw_short(_data, _bitpos) _eedata.append(_short) _count = _count + 2 elif _cb == 0x47: # print "long int" _bitpos, _long = dwgutil.get_raw_long(_data, _bitpos) _eedata.append(_long) print "long: %d" % _long _count = _count + 4 else: raise ValueError, "Unexpected code byte: %#02x" % _cb # # These objects may have the graphics bit # _gflag = False _reader = None if _type < len(_objflags): _gflag, _reader = _objflags[_type] if _gflag: _bitpos, _val = dwgutil.test_bit(_data, _bitpos) # print "graphic flag: " + str(_val) # print "bitpos: %d" % _bitpos if _val is True: _bitpos, _gsize = dwgutil.get_raw_long(_data, _bitpos) # print "graphic data bit size: %d" % _gsize # print "bitpos: %d" % _bitpos _bgsize = _gsize * 8 _gidata = dwgutil.get_bits(_data, _bgsize, _bitpos) _bitpos = _bitpos + _bgsize _ent.setEntityData('graphic_data', _gidata) _bitpos, _objbsize = dwgutil.get_raw_long(_data, _bitpos) # print "object data size in bits: %d" % _objbsize # print "bitpos: %d" % _bitpos if _reader is not None: _reader(_ent, _data, _bitpos) elif _type in _vmap: _stype = _vmap[_type] # print "type: %d => %s" % (_type, _stype) if _stype == 'HATCH': # where is the data kept? _bitpos, _val = dwgutil.test_bit(_data, _bitpos) # print "graphic flag: " + str(_val) if _stype in _vobjmap: _vobjmap[_stype](_ent, _data, _bitpos) else: # print "unhandled object type: %d" % _type pass _objlist.append(_ent) return _objlist def get_object(dwg, offset): _handle = dwg.getHandle() _handle.seek(offset, 0) _size = dwgutil.get_modular_short(_handle) _data = array.array('B') _data.fromfile(_handle, _size) _ent = dwgbase.dwgEntity() # _ent.setEntityData('bitstream', data) # save the bitstream data _ent.setVersion(dwg.getVersion()) _bitpos = 0 _bitpos, _type = dwgutil.get_bit_short(_data, _bitpos) _ent.setType(_type) _bitpos, _handle = dwgutil.get_handle(_data, _bitpos) _ent.setHandle(_handle) _bitpos, _extdata = dwgutil.read_extended_data(_data, _bitpos) _ent.setEntityData('extended_data', _extdata) # # use the objprops table to determine if the _entity # has a graphics bit and the appropriate bitstream # decoding function # _gflag = False _reader = None if _type < len(_objprops): _gflag, _reader = _objprops[_type] if _gflag: _bitpos, _val = dwgutil.test_bit(_data, _bitpos) if _val is True: _bitpos, _size = dwgutil.get_raw_long(_data, _bitpos) _bgsize = _size * 8 _gidata = dwgutil.get_bits(_data, _bgsize, _bitpos) _ent.setEntityData('graphic_data', _gidata) _bitpos = _bitpos + _bgsize _bitpos, _objbsize = dwgutil.get_raw_long(_data, _bitpos) _ent.setEntityData('size_in_bits', _objbsize) if _reader is not None: _reader(_ent, _data, _bitpos) else: _stype = dwg.getDxfName(_type) if _stype is not None: if _stype == 'HATCH': # where is the data kept? _bitpos, _val = dwgutil.test_bit(_data, _bitpos) if _stype in _vobjmap: _vobjmap[_stype](_ent, _data, _bitpos) return _ent def read_second_header(handle, offset): print "read_second_header() ..." handle.seek(offset, 0) _at = handle.tell() print "offset at %d [%#x]" % (_at, _at) _s = array.array('B') _s.fromfile(handle, 16) if _s[0] != 0xd4: raise ValueError, "_s[0] != 0xd4" if _s[1] != 0x7b: raise ValueError, "_s[1] != 0x7b" if _s[2] != 0x21: raise ValueError, "_s[2] != 0x21" if _s[3] != 0xce: raise ValueError, "_s[3] != 0xce" if _s[4] != 0x28: raise ValueError, "_s[4] != 0x28" if _s[5] != 0x93: raise ValueError, "_s[5] != 0x93" if _s[6] != 0x9f: raise ValueError, "_s[6] != 0x9f" if _s[7] != 0xbf: raise ValueError, "_s[7] != 0xbf" if _s[8] != 0x53: raise ValueError, "_s[8] != 0x53" if _s[9] != 0x24: raise ValueError, "_s[9] != 0x24" if _s[10] != 0x40: raise ValueError, "_s[10] != 0x40" if _s[11] != 0x09: raise ValueError, "_s[11] != 0x09" if _s[12] != 0x12: raise ValueError, "_s[12] != 0x12" if _s[13] != 0x3c: raise ValueError, "_s[13] != 0x3c" if _s[14] != 0xaa: raise ValueError, "_s[14] != 0xaa" if _s[15] != 0x01: raise ValueError, "_s[15] != 0x01" # _at = handle.tell() # print "offset at %d [%#x]" % (_at, _at) _size = struct.unpack('<l', handle.read(4))[0] print "section size: %d" % _size _at = handle.tell() print "second header data offset at %d [%#x]" % (_at, _at) _data = array.array('B') _data.fromfile(handle, (_size - 4)) # size includes itself in byte count # _at = handle.tell() # print "offset at %d [%#x]" % (_at, _at) _s.fromfile(handle, 16) if _s[16] != 0x2b: raise ValueError, "_s[16] != 0x2b" if _s[17] != 0x84: raise ValueError, "_s[17] != 0x84" if _s[18] != 0xde: raise ValueError, "_s[18] != 0xde" if _s[19] != 0x31: raise ValueError, "_s[19] != 0x31" if _s[20] != 0xd7: raise ValueError, "_s[20] != 0xd7" if _s[21] != 0x6c: raise ValueError, "_s[21] != 0x6c" if _s[22] != 0x60: raise ValueError, "_s[22] != 0x60" if _s[23] != 0x40: raise ValueError, "_s[23] != 0x40" if _s[24] != 0xac: raise ValueError, "_s[24] != 0xac" if _s[25] != 0xdb: raise ValueError, "_s[25] != 0xdb" if _s[26] != 0xbf: raise ValueError, "_s[26] != 0xbf" if _s[27] != 0xf6: raise ValueError, "_s[27] != 0xf6" if _s[28] != 0xed: raise ValueError, "_s[28] != 0xed" if _s[29] != 0xc3: raise ValueError, "_s[29] != 0xc3" if _s[30] != 0x55: raise ValueError, "_s[30] != 0x55" if _s[31] != 0xfe: raise ValueError, "_s[31] != 0xfe" _at = handle.tell() print "offset at %d [%#x]" % (_at, _at) return _data def decode_second_header(data): print "decode_second_header() ..." _map = {} _bitpos = 0 _bitpos, _loc = dwgutil.get_bit_long(data, _bitpos) print "location: %d" % _loc print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # A _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # C _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 1 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 1 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 2 or 4 print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0 print "bitpos: %d" % _bitpos _bitpos, _val = dwgutil.test_bit(data, _bitpos) print "val1: " + str(_val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) print "val1: " + str(_val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) print "val1: " + str(_val) _bitpos, _val = dwgutil.test_bit(data, _bitpos) print "val1: " + str(_val) print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0x18 in spec _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0x78 in spec _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0x01 in spec _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # 0x04 for R13, 0x05 for R14, in spec print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # class 0 _bitpos, _haddr = dwgutil.get_bit_long(data, _bitpos) print "header address: %d [%#x]" % (_haddr, _haddr) _bitpos, _hsize = dwgutil.get_bit_long(data, _bitpos) print "header size: %d" % _hsize print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # class 1 _bitpos, _caddr = dwgutil.get_bit_long(data, _bitpos) print "class address: %d [%#x]" % (_caddr, _caddr) _bitpos, _csize = dwgutil.get_bit_long(data, _bitpos) print "class size: %d" % _csize print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # class 2 _bitpos, _omaddr = dwgutil.get_bit_long(data, _bitpos) print "objmap address: %d [%#x]" % (_omaddr, _omaddr) _bitpos, _omsize = dwgutil.get_bit_long(data, _bitpos) print "objmap size: %d" % _omsize print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) print "char: %#x" % _char # class 3 _bitpos, _uaddr = dwgutil.get_bit_long(data, _bitpos) print "unknown address: %d [%#x]" % (_uaddr, _uaddr) _bitpos, _usize = dwgutil.get_bit_long(data, _bitpos) print "unknown size: %d" % _usize print "bitpos: %d" % _bitpos _bitpos, _nrh = dwgutil.get_bit_short(data, _bitpos) print "nrh: %d" % _nrh return _map # bail out ... # # things are messed up here - spec says get a short # and use it for handle records but that is not # what is done with 'dwg.tgz' code obj14.c ... # if True: # blah! print "bitpos: %d" % _bitpos _bitpos, _char = dwgutil.get_raw_char(data, _bitpos) # this isn't in the spec print "char: %#x" % _char # class 4 _bitpos, _uaddr = dwgutil.get_bit_long(data, _bitpos) # nor this ... print "unknown address: %d [%#x]" % (_uaddr, _uaddr) _bitpos, _usize = dwgutil.get_bit_long(data, _bitpos) # nor this too print "unknown size: %d" % _usize print "bitpos: %d" % _bitpos # _bitpos, _recnum = dwgutil.get_bit_short(data, _bitpos) # print "num of following handle records: %d" % _recnum # for _i in range(_recnum): # print "record %d" % _i # _bitpos, _sizeof = dwgutil.get_raw_char(data, _bitpos) # print "size of chars: %d" % _sizeof # _bitpos, _val = dwgutil.get_raw_char(data, _bitpos) # print "val: %d" % _val # _bitpos, _size = dwgutil.get_raw_char(data, _bitpos) # print "size chars: %d" % _size # # there is more stuff left in data that we ignore ... # return _map