#
# Copyright (c) 2003, 2004, 2006 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
#
#
# Transfer objects from one layer to another
#
from PythonCAD.Generic import point
from PythonCAD.Generic import segment
from PythonCAD.Generic import circle
from PythonCAD.Generic import arc
from PythonCAD.Generic import hcline
from PythonCAD.Generic import vcline
from PythonCAD.Generic import acline
from PythonCAD.Generic import segjoint
from PythonCAD.Generic import cline
from PythonCAD.Generic import ccircle
from PythonCAD.Generic import leader
from PythonCAD.Generic import polyline
from PythonCAD.Generic import text
from PythonCAD.Generic import dimension
from PythonCAD.Generic import layer
def _dest_pt(lyr, pt):
_x, _y = pt.getCoords()
_pts = lyr.find('point', _x, _y)
if len(_pts) == 0:
_lpt = pt.clone()
_lpt.setVisibility(False)
lyr.addObject(_lpt)
else:
_lpt = _pts.pop()
_max = _lpt.countUsers()
for _pt in _pts:
_count = _pt.countUsers()
if _count > _max:
_max = _count
_lpt = _pt
_lpt.setVisibility(False)
return _lpt
def _adjust_users(obj, cobjs):
_oid = id(obj)
for _user in obj.getUsers():
if isinstance(_user, dimension.Dimension):
if isinstance(_user, dimension.LinearDimension):
_p1, _p2 = _user.getDimPoints()
if obj is _p1:
_user.setP1(cobjs[_oid])
elif obj is _p2:
_user.setP2(cobjs[_oid])
else:
raise RuntimeError, "Point not in linear dimension: " + `_user`
elif isinstance(_user, dimension.RadialDimension):
_c = _user.getDimCircle()
if obj is _c:
_user.setDimCircle(cobjs[_oid])
else:
raise RuntimeError, "Circle/Arc not in RadialDimension: " + `_user`
elif isinstance(_user, dimension.AngularDimension):
_vp, _p1, _p2 = _user.getDimPoints()
if obj is _vp:
_user.setVertexPoint(cobjs[_oid])
elif obj is _p1:
_user.setP1(cobjs[_oid])
elif obj is _p2:
_user.setP2(cobjs[_oid])
else:
raise RuntimeError, "Point not in AngularDimension: " + `_user`
else:
raise TypeError, "Unexpected dimension type:" + `type(_user)`
def transfer_objects(objlist, dest):
"""Transfer objects from one layer to another.
transfer_objects(objlist, dest)
objlist: A tuple/list of objects to transfer.
dest: The Layer which will now contain the objects.
"""
if not isinstance(objlist, (tuple, list)):
raise TypeError, "Invalid object list: " + `type(objlist)`
if not isinstance(dest, layer.Layer):
raise TypeError, "Invalid Layer type: " + `type(dest)`
#
# find the valid transferrable entities
#
_tlist = []
for _obj in objlist:
if _obj.getParent() is not dest and dest.canParent(_obj):
_tlist.append(_obj)
#
# add non-Dimension users of Point objects and
# connected Segments on Chamfers and Fillets
#
_xferlist = []
_objdict = {}
while len(_tlist) > 0:
_obj = _tlist.pop()
_xferlist.append(_obj)
_objdict[id(_obj)] = True
if isinstance(_obj, point.Point):
for _user in _obj.getUsers():
if (not isinstance(_user, dimension.Dimension) and
id(_user) not in _objdict):
_tlist.append(_obj)
elif isinstance(_obj, (segjoint.Chamfer, segjoint.Fillet)):
_s1, _s2 = _obj.getSegments()
if id(_s1) not in _objdict:
_tlist.append(_s1)
if id(_s2) not in _objdict:
_tlist.append(_s2)
else:
pass
#
# clone objects
#
_cobjs = {}
_dobjs = {}
for _obj in _xferlist:
_oid = id(_obj)
if isinstance(_obj, point.Point):
if _oid not in _cobjs:
_cobjs[_oid] = _dest_pt(dest, _obj)
if _oid not in _dobjs:
_dobjs[_oid] = _obj
elif isinstance(_obj, segment.Segment):
_p1, _p2 = _obj.getEndpoints()
_pid = id(_p1)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p1)
if _pid not in _dobjs:
_dobjs[_pid] = _p1
_pid = id(_p2)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p2)
if _pid not in _dobjs:
_dobjs[_pid] = _p2
_cobjs[_oid] = _obj.clone()
elif isinstance(_obj, (circle.Circle, ccircle.CCircle)):
_cp = _obj.getCenter()
_pid = id(_cp)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _cp)
if _pid not in _dobjs:
_dobjs[_pid] = _cp
_cobjs[_oid] = _obj.clone()
if isinstance(_obj, circle.Circle) and _oid not in _dobjs:
_dobjs[_oid] = _obj
elif isinstance(_obj, arc.Arc):
_cp = _obj.getCenter()
_pid = id(_cp)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _cp)
if _pid not in _dobjs:
_dobjs[_pid] = _cp
_cobjs[_oid] = _obj.clone()
if _oid not in _dobjs:
_dobjs[_oid] = _obj
_layer = _obj.getParent()
for _ep in _obj.getEndpoints():
_pts = layer.find('point', _ep[0], _ep[1])
if len(_pts) == 0:
raise RuntimeError, "No points at arc endpoint: " + str(_ep)
_ept = None
for _pt in _pts:
for _user in _pt.getUsers():
if _user is _obj:
_ept = _pt
break
if _ept is None:
raise RuntimeError, "No Arc endpoint at: " + str(_ep)
_pid = id(_ept)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _ept)
if _pid not in _dobjs:
_dobjs[_pid] = _ept
elif isinstance(_obj, leader.Leader):
_p1, _p2, _p3 = _obj.getPoints()
_pid = id(_p1)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p1)
if _pid not in _dobjs:
_dobjs[_pid] = _p1
_pid = id(_p2)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p2)
if _pid not in _dobjs:
_dobjs[_pid] = _p2
_pid = id(_p3)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p3)
if _pid not in _dobjs:
_dobjs[_pid] = _p3
_cobjs[_oid] = _obj.clone()
elif isinstance(_obj, polyline.Polyline):
for _pt in _obj.getPoints():
_pid = id(_pt)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _pt)
if _pid not in _dobjs:
_dobjs[_pid] = _pt
_cobjs[_oid] = _obj.clone()
elif isinstance(_obj, (hcline.HCLine,
vcline.VCLine,
acline.ACLine)):
_pt = _obj.getLocation()
_pid = id(_pt)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _pt)
if _pid not in _dobjs:
_dobjs[_pid] = _pt
_cobjs[_oid] = _obj.clone()
elif isinstance(_obj, cline.CLine):
_p1, _p2 = _obj.getKeypoints()
_pid = id(_p1)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p1)
if _pid not in _dobjs:
_dobjs[_pid] = _p1
_pid = id(_p2)
if _pid not in _cobjs:
_cobjs[_pid] = _dest_pt(dest, _p2)
if _pid not in _dobjs:
_dobjs[_pid] = _p2
_cobjs[_oid] = _obj.clone()
elif isinstance(_obj, (segjoint.Chamfer, segjoint.Fillet)):
pass
elif isinstance(_obj, (text.TextBlock,
dimension.LinearDimension,
dimension.RadialDimension,
dimension.AngularDimension)):
_cobjs[id(_obj)] = _obj.clone()
else:
print "Skipping object type" + `type(_obj)`
#
# adjust cloned objects
#
_aobjs = []
for _obj in _xferlist:
_cobj = _cobjs.get(id(_obj))
if isinstance(_obj, point.Point):
continue
elif isinstance(_obj, segment.Segment):
_p1, _p2 = _obj.getEndpoints()
_cobj.setP1(_cobjs[id(_p1)])
_cobj.setP2(_cobjs[id(_p2)])
elif isinstance(_obj, (circle.Circle, arc.Arc, ccircle.CCircle)):
_cp = _obj.getCenter()
_cobj.setCenter(_cobjs[id(_cp)])
if isinstance(_cobj, (circle.Circle, arc.Arc)):
#
# the following are hacks to handle the case where
# a RadialDimension is attached to the Circle/Arc
#
# A RadialDimension in an Image (currently) cannot be
# modified to point to a Circle/Arc without a parent
#
_obj.setVisibility(False)
_cobj.setVisibility(False)
dest.addObject(_cobj)
elif isinstance(_obj, leader.Leader):
_p1, _p2, _p3 = _obj.getPoints()
_cobj.setP1(_cobjs[id(_p1)])
_cobj.setP2(_cobjs[id(_p2)])
_cobj.setP3(_cobjs[id(_p3)])
elif isinstance(_obj, polyline.Polyline):
_pts = _obj.getPoints()
for _i in range(len(_pts)):
_pt = _pts[_i]
_cobj.setPoint(_i, _cobjs[id(_pt)])
elif isinstance(_obj, (hcline.HCLine,
vcline.VCLine,
acline.ACLine)):
_pt = _obj.getLocation()
_cobj.setLocation(_cobjs[id(_pt)])
elif isinstance(_obj, cline.CLine):
_p1, _p2 = _obj.getKeypoints()
_cobj.setP1(_cobjs[id(_p1)])
_cobj.setP2(_cobjs[id(_p2)])
elif isinstance(_obj, (segjoint.Chamfer,
segjoint.Fillet)):
_s1, _s2 = _obj.getSegments()
_cs1 = _cobjs[id(_s1)]
_cs2 = _cobjs[id(_s2)]
_s = _obj.getStyle()
if isinstance(_obj, segjoint.Chamfer):
_l = _obj.getLength()
_cobj = segjoint.Chamfer(_cs1, _cs2, _l, _s)
else:
_r = _obj.getRadius()
_cobj = segjoint.Fillet(_cs1, _cs2, _r, _s)
_cobj.setColor(_obj.getColor())
_cobj.setLinetype(_obj.getLinetype())
_cobj.setThickness(_obj.getThickness())
elif isinstance(_obj, dimension.LinearDimension):
_p1, _p2 = _obj.getDimPoints()
_pid = id(_p1)
if _pid in _cobjs:
_cobj.setP1(_cobjs[_pid])
_pid = id(_p2)
if _pid in _cobjs:
_cobj.setP2(_cobjs[_pid])
elif isinstance(_obj, dimension.RadialDimension):
_dc = _obj.getDimCircle()
_dcid = id(_dc)
if _dcid in _cobjs:
_cobj.setDimCircle(_cobjs[_dcid])
elif isinstance(_obj, dimension.AngularDimension):
_vp, _p1, _p2 = _obj.getDimPoints()
_pid = id(_vp)
if _pid in _cobjs:
_cobj.setVertexPoint(_cobjs[_pid])
_pid = id(_p1)
if _pid in _cobjs:
_cobj.setP1(_cobjs[_pid])
_pid = id(_p2)
if _pid in _cobjs:
_cobj.setP2(_cobjs[_pid])
elif isinstance(_obj, text.TextBlock):
pass
else:
print "Skipping object type " + `type(_obj)`
continue
_aobjs.append(_cobj)
#
# adjust dimensions
#
for _obj in _dobjs.values():
_adjust_users(_obj, _cobjs)
#
# delete the old objects
#
for _obj in _xferlist:
_layer = _obj.getParent()
if _layer is not None:
_layer.delObject(_obj)
#
# set visibility of points in destination layer
#
for _obj in _cobjs.values():
if isinstance(_obj, point.Point):
_obj.setVisibility(True)
#
# add the new objects
#
for _obj in _aobjs:
if _obj.getParent() is None:
dest.addObject(_obj)
else:
_obj.setVisibility(True)
