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#
# Copyright (c) 2002-2004 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
#
# Handles creation of dimensions
#
import PythonCAD.Generic.segment
from PythonCAD.Interface.Cocoa import CocoaEntities
#
# Linear, Horizontal, Vertical dimensions all work the same way.
#
def ldim_mode_init(doc, tool):
doc.setPrompt("Click on the first point for the dimension.")
tool.setHandler("initialize", ldim_mode_init)
tool.setHandler("left_button_press", ldim_first_left_button_press_cb)
def ldim_first_mouse_move_cb(doc, np, tool):
_l1, _p1 = tool.getFirstPoint()
_p2 = (np.x, np.y)
_seg = PythonCAD.Generic.segment.Segment(_p1, _p2)
_da = doc.getDA()
_da.setTempObject(_seg)
def ldim_second_mouse_move_cb(doc, np, tool):
_ldim = tool.getDimension()
_ldim.setLocation(np.x, np.y)
_ldim.calcDimValues()
_da = doc.getDA()
_da.setTempObject(_ldim)
def ldim_first_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
_viewLoc = _da.convertPoint_fromView_(_loc, None)
_tol = _da.pointSize().width
_image = doc.getImage()
_layers = [_image.getTopLayer()]
while len(_layers):
_layer = _layers.pop()
if _layer.isVisible():
_pt = _layer.find('point', _viewLoc.x, _viewLoc.y, _tol)
if _pt is not None:
_x, _y = _pt.getCoords()
_da.setTempPoint(_viewLoc)
tool.setLocation(_x, _y)
tool.setFirstPoint(_layer, _pt)
tool.setHandler("left_button_press", ldim_second_left_button_press_cb)
tool.setHandler("mouse_move", ldim_first_mouse_move_cb)
doc.setPrompt("Click on the second point for the dimension.")
break
_layers.extend(_layer.getSublayers())
def ldim_second_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
_viewLoc = _da.convertPoint_fromView_(_loc, None)
_tol = _da.pointSize().width
_image = doc.getImage()
_layers = [_image.getTopLayer()]
while len(_layers):
_layer = _layers.pop()
if _layer.isVisible():
_pt = _layer.find('point', _viewLoc.x, _viewLoc.y, _tol)
if _pt is not None:
_x, _y = _pt.getCoords()
tool.setSecondPoint(_layer, _pt)
tool.setDimPosition(_x, _y)
tool.clearCurrentPoint()
tool.makeDimension(_image)
tool.setHandler("left_button_press", ldim_third_left_button_press_cb)
tool.setHandler("mouse_move", ldim_second_mouse_move_cb)
doc.setPrompt("Click where the dimension text should be placed.")
break
_layers.extend(_layer.getSublayers())
def ldim_third_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
_viewLoc = _da.convertPoint_fromView_(_loc, None)
_ldim = tool.getDimension()
_ldim.setLocation(_viewLoc.x, _viewLoc.y)
_ldim.calcDimValues()
_ldim.reset()
CocoaEntities.create_entity(doc, tool)
#
# Radial
#
def radial_mode_init(doc, tool):
doc.setPrompt("Click on an arc or a circle to dimension.")
tool.setHandler("initialize", radial_mode_init)
tool.setHandler("left_button_press", radial_first_left_button_press_cb)
def radial_first_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
_viewLoc = _da.convertPoint_fromView_(_loc, None)
_tol = _da.pointSize().width
_image = doc.getImage()
_layers = [_image.getTopLayer()]
_dc = _dl = None
while len(_layers):
_layer = _layers.pop()
if _layer.isVisible():
_cobjs = (_layer.getLayerEntities("circle") +
_layer.getLayerEntities("arc"))
for _cobj in _cobjs:
_mp = _cobj.mapCoords(_viewLoc.x, _viewLoc.y, _tol)
if _mp is not None:
_dc = _cobj
_dl = _layer
break
_layers.extend(_layer.getSublayers())
if _dc is not None:
_x, _y = _mp
tool.setDimObject(_dl, _dc)
tool.setDimPosition(_x, _y)
tool.makeDimension(_image)
tool.setHandler("mouse_move", radial_mouse_move_cb)
tool.setHandler("left_button_press", radial_second_left_button_press_cb)
doc.setPrompt("Click where the dimension text should be placed.")
def radial_mouse_move_cb(doc, np, tool):
_rdim = tool.getDimension()
_rdim.setLocation(np.x, np.y)
_rdim.calcDimValues()
_da = doc.getDA()
_da.setTempObject(_rdim)
def radial_second_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
_viewLoc = _da.convertPoint_fromView_(_loc, None)
_ldim = tool.getDimension()
_ldim.setLocation(_viewLoc.x, _viewLoc.y)
_ldim.calcDimValues()
_ldim.reset()
CocoaEntities.create_entity(doc, tool)
#
# Angular
#
def angular_mode_init(doc, tool):
doc.setPrompt("Click on the angle vertex point or an arc.")
tool.setHandler("initialize", angular_mode_init)
tool.setHandler("left_button_press", angular_first_left_button_press_cb)
def angular_first_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
_viewLoc = _da.convertPoint_fromView_(_loc, None)
_tol = _da.pointSize().width
_image = doc.getImage()
_layers = [_image.getTopLayer()]
_pt = _arc = None
while len(_layers):
_layer = _layers.pop()
if _layer.isVisible():
_pt, _arc = _test_layer(_layer, _viewLoc.x, _viewLoc.y, _tol)
if _pt is not None or _arc is not None:
break
_layers.extend(_layer.getSublayers())
if _pt is not None:
tool.setVertexPoint(_layer, _pt)
_da.setTempPoint(_viewLoc)
tool.setHandler("left_button_press", angular_second_left_button_press_cb)
tool.setHandler("mouse_move", angular_segment_mouse_move_cb)
doc.setPrompt("Click on the first endpoint for the dimension.")
elif _arc is not None:
_cp = _arc.getCenter()
tool.setVertexPoint(_layer, _cp)
_ep1, _ep2 = _arc.getEndpoints()
_ex, _ey = _ep1
_p1 = _layer.find('point', _ex, _ey)
assert _p1 is not None, "Missing arc endpoint"
tool.setFirstPoint(_layer, _p1)
_ex, _ey = _ep2
_p2 = _layer.find('point', _ex, _ey)
assert _p2 is not None, "Missing arc endpoint"
tool.setSecondPoint(_layer, _p2)
tool.setDimPosition(_viewLoc.x, _viewLoc.y)
tool.makeDimension(_image)
tool.setHandler("left_button_press", angular_fourth_left_button_press_cb)
tool.setHandler("mouse_move", angular_text_mouse_move_cb)
doc.setPrompt("Click where the dimension text should be located.")
def angular_second_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
(_x, _y) = _da.convertPoint_fromView_(_loc, None)
_tol = _da.pointSize().width
_image = doc.getImage()
_layers = [_image.getTopLayer()]
while len(_layers):
_layer = _layers.pop()
if _layer.isVisible():
_pt = _layer.find('point', _x, _y, _tol)
if _pt is not None:
_x, _y = _pt.getCoords()
tool.setLocation(_x, _y)
tool.setFirstPoint(_layer, _pt)
tool.setHandler("left_button_press", angular_third_left_button_press_cb)
tool.setHandler("mouse_move", angular_segment_mouse_move_cb)
doc.setPrompt("Click on the second endpoint for the dimension.")
break
_layers.extend(_layer.getSublayers())
def angular_third_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
(_x, _y) = _da.convertPoint_fromView_(_loc, None)
_tol = _da.pointSize().width
_image = doc.getImage()
_layers = [_image.getTopLayer()]
while len(_layers):
_layer = _layers.pop()
if _layer.isVisible():
_pt = _layer.find('point', _x, _y, _tol)
if _pt is not None:
_x, _y = _pt.getCoords()
tool.setLocation(_x, _y)
tool.setSecondPoint(_layer, _pt)
tool.setDimPosition(_x, _y)
tool.makeDimension(_image)
tool.setHandler("left_button_press", angular_fourth_left_button_press_cb)
tool.setHandler("mouse_move", angular_text_mouse_move_cb)
doc.setPrompt("Click where the dimension text should be located.")
break
_layers.extend(_layer.getSublayers())
def angular_fourth_left_button_press_cb(doc, event, tool):
_loc = event.locationInWindow()
_da = doc.getDA()
(_x, _y) = _da.convertPoint_fromView_(_loc, None)
_adim = tool.getDimension()
_adim.setLocation(_x, _y)
_adim.calcDimValues()
_adim.reset()
CocoaEntities.create_entity(doc, tool)
def angular_segment_mouse_move_cb(doc, np, tool):
_l1, _p1 = tool.getVertexPoint()
_l2, _p2 = tool.getFirstPoint()
_da = doc.getDA()
_flag = True
if _p2 is not None:
_seg = PythonCAD.Generic.segment.Segment(_p1, _p2)
_da.setTempObject(_seg, _flag)
_flag = False
_p2 = (np.x, np.y)
_seg = PythonCAD.Generic.segment.Segment(_p1, _p2)
_da.setTempObject(_seg, _flag)
def angular_text_mouse_move_cb(doc, np, tool):
_adim = tool.getDimension()
_adim.setLocation(np.x, np.y)
_adim.calcDimValues()
_da = doc.getDA()
_da.setTempObject(_adim)
def _test_layer(layer, x, y, tol):
_arc = None
_pt = layer.find('point', x, y)
if _pt is None:
_pt = layer.find('point', x, y, tol)
if _pt is None:
_arc_pt = None
for _arc in layer.getLayerEntities("arc"):
_arc_pt = _arc.mapCoords(x, y, tol)
if _arc_pt is not None:
break
if _arc_pt is None:
_arc = None # no hits on any arcs ...
return _pt, _arc
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