# # Copyright (c) 2002, 2003, 2004, 2006, 2007 Art Haas # # 2009 Matteo Boscolo # # 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 # # # gtk dimension code # import pygtk pygtk.require('2.0') import gtk import pango from PythonCAD.Generic.dimension import Dimension from PythonCAD.Interface.Gtk import gtktext from PythonCAD.Generic import snap # # linear dimension motion-notify handler # def dim_pts_motion_notify_cb(gtkimage, widget, event, tool): _tx, _ty = tool.getLocation() _px, _py = gtkimage.coordToPixTransform(_tx, _ty) _gc = gtkimage.getGC() _x = int(event.x) _y = int(event.y) _cp = tool.getCurrentPoint() _segs = [] if _cp is not None: _xc, _yc = _cp _segs.append((_px, _py, _xc, _yc)) tool.setCurrentPoint(_x, _y) _segs.append((_px, _py, _x, _y)) widget.window.draw_segments(_gc, _segs) return True def dim_txt_motion_notify_cb(gtkimage, widget, event, tool): _ix, _iy = gtkimage.image.getCurrentPoint() _gc = gtkimage.getGC() _ex = int(event.x) _ey = int(event.y) _cp = tool.getCurrentPoint() _dim = tool.getDimension() _bar1, _bar2 = _dim.getDimBars() _crossbar = _dim.getDimCrossbar() _segs = [] if _cp is not None: _ep1, _ep2 = _bar1.getEndpoints() _px1, _py1 = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _px2, _py2 = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_px1, _py1, _px2, _py2)) _ep1, _ep2 = _bar2.getEndpoints() _px1, _py1 = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _px2, _py2 = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_px1, _py1, _px2, _py2)) _ep1, _ep2 = _crossbar.getEndpoints() _px1, _py1 = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _px2, _py2 = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_px1, _py1, _px2, _py2)) tool.setCurrentPoint(_ex, _ey) _dim.setLocation(_ix, _iy) _dim.calcDimValues(False) _ep1, _ep2 = _bar1.getEndpoints() _px1, _py1 = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _px2, _py2 = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_px1, _py1, _px2, _py2)) _ep1, _ep2 = _bar2.getEndpoints() _px1, _py1 = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _px2, _py2 = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_px1, _py1, _px2, _py2)) _ep1, _ep2 = _crossbar.getEndpoints() _px1, _py1 = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _px2, _py2 = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_px1, _py1, _px2, _py2)) widget.window.draw_segments(_gc, _segs) return True def add_dimension(gtkimage, tool=None): _tool = gtkimage.getImage().getTool() _init_func = _tool.getHandler("initialize") _image = gtkimage.getImage() _image.startAction() try: _tool.create(_image) finally: _image.endAction() _init_func(gtkimage) def linear_text_button_press_cb(gtkimage, widget, event, tool): _x, _y = gtkimage.image.getCurrentPoint() _ldim = tool.getDimension() _ldim.setLocation(_x, _y) _ldim.calcDimValues() _ldim.reset() add_dimension(gtkimage) return True def linear_second_button_press_cb(gtkimage, widget, event, tool): _snapArray={'perpendicular':False,'tangent':False} _strPnt=snap.getSnapOnTruePoint(gtkimage,_snapArray) if _strPnt.point is not None: _x, _y = _strPnt.point.getCoords() tool.setSecondPoint(_strPnt.point) tool.setDimPosition(_x, _y) tool.clearCurrentPoint() tool.makeDimension(gtkimage.getImage()) # # set GraphicsContext to Dimension color # _gc = gtkimage.getGC() _gc.set_function(gtk.gdk.INVERT) _col = tool.getDimension().getColor() _gc.set_foreground(gtkimage.getColor(_col)) tool.setHandler("button_press", linear_text_button_press_cb) tool.setHandler("motion_notify", dim_txt_motion_notify_cb) gtkimage.setPrompt(_('Click where the dimension text should go.')) gtkimage.refresh() return True def linear_first_button_press_cb(gtkimage, widget, event, tool): _snapArray={'perpendicular':False,'tangent':False} _strPnt=snap.getSnapOnTruePoint(gtkimage,_snapArray) if _strPnt is not None: _x, _y =_strPnt.point.getCoords() tool.setLocation(_x, _y) tool.setFirstPoint(_strPnt.point) tool.setHandler("button_press", linear_second_button_press_cb) tool.setHandler("motion_notify", dim_pts_motion_notify_cb) gtkimage.setPrompt(_('Click on the second point for the dimension.')) gtkimage.getGC().set_function(gtk.gdk.INVERT) else: gtkimage.setPrompt(_('Click on the first point for the dimension.')) tool.setHandler("button_press", linear_first_button_press_cb) tool.setHandler("initialize", linear_mode_init) return True # # linear dimensions # def linear_mode_init(gtkimage, tool=None): gtkimage.setPrompt(_('Click on the first point for the dimension.')) _tool = gtkimage.getImage().getTool() _tool.setHandler("button_press", linear_first_button_press_cb) _tool.setHandler("initialize", linear_mode_init) # # horizontal dimensions # def horizontal_mode_init(gtkimage, tool=None): gtkimage.setPrompt(_('Click on the first point for the dimension.')) _tool = gtkimage.getImage().getTool() _tool.setHandler("button_press", linear_first_button_press_cb) _tool.setHandler("initialize", horizontal_mode_init) # # vertical dimensions # def vertical_mode_init(gtkimage, tool=None): gtkimage.setPrompt(_('Click on the first point for the dimension.')) _tool = gtkimage.getImage().getTool() _tool.setHandler("button_press", linear_first_button_press_cb) _tool.setHandler("initialize", vertical_mode_init) # # radial dimensions # def radial_txt_motion_notify_cb(gtkimage, widget, event, tool): _gc = gtkimage.getGC() _x = int(event.x) _y = int(event.y) _rdim = tool.getDimension() _crossbar = _rdim.getDimCrossbar() _cp = tool.getCurrentPoint() _segs = [] if _cp is not None: _p1, _p2 = _crossbar.getEndpoints() _p0x, _p0y = gtkimage.coordToPixTransform(_p1[0], _p1[1]) _p1x, _p1y = gtkimage.coordToPixTransform(_p2[0], _p2[1]) _segs.append((_p0x, _p0y, _p1x, _p1y)) tool.setCurrentPoint(_x, _y) _ix, _iy = gtkimage.image.getCurrentPoint() _rdim.setLocation(_ix, _iy) _rdim.calcDimValues(False) _p1, _p2 = _crossbar.getEndpoints() _p0x, _p0y = gtkimage.coordToPixTransform(_p1[0], _p1[1]) _p1x, _p1y = gtkimage.coordToPixTransform(_p2[0], _p2[1]) _segs.append((_p0x, _p0y, _p1x, _p1y)) widget.window.draw_segments(_gc, _segs) return True def radial_text_button_press_cb(gtkimage, widget, event, tool): _x, _y = gtkimage.image.getCurrentPoint() _rdim = tool.getDimension() _rdim.setLocation(_x, _y) _rdim.calcDimValues() _rdim.reset() add_dimension(gtkimage) return True def radial_button_press_cb(gtkimage, widget, event, tool): _tol = gtkimage.getTolerance() _image = gtkimage.getImage() _x, _y = _image.getCurrentPoint() _dc = None _layers = [_image.getTopLayer()] while(len(_layers)): _layer = _layers.pop() if _layer.isVisible(): _cobjs = (_layer.getLayerEntities("circle") + _layer.getLayerEntities("arc")) for _cobj in _cobjs: _mp = _cobj.mapCoords(_x, _y, _tol) if _mp is not None: _dc = _cobj break _layers.extend(_layer.getSublayers()) if _dc is not None: _x, _y = _mp tool.setDimObject(_dc) tool.setDimPosition(_x, _y) tool.makeDimension(_image) tool.setHandler("motion_notify", radial_txt_motion_notify_cb) tool.setHandler("button_press", radial_text_button_press_cb) gtkimage.setPrompt(_('Click where the dimension text should be placed.')) gtkimage.getGC().set_function(gtk.gdk.INVERT) return True def radial_mode_init(gtkimage, tool=None): gtkimage.setPrompt(_('Click on an arc or a circle to dimension.')) _tool = gtkimage.getImage().getTool() _tool.setHandler("initialize", radial_mode_init) _tool.setHandler("button_press", radial_button_press_cb) # # angular dimensions # def adim_txt_motion_notify_cb(gtkimage, widget, event, tool): _ix, _iy = gtkimage.image.getCurrentPoint() _gc = gtkimage.getGC() _ex = int(event.x) _ey = int(event.y) _cp = tool.getCurrentPoint() _adim = tool.getDimension() _vx, _vy = _adim.getVertexPoint().getCoords() _px, _py = gtkimage.coordToPixTransform(_vx, _vy) _win = widget.window _bar1, _bar2 = _adim.getDimBars() _crossarc = _adim.getDimCrossarc() _segs = [] if _cp is not None: # # draw bars # _ep1, _ep2 = _bar1.getEndpoints() _p1x, _p1y = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _p2x, _p2y = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_p1x, _p1y, _p2x, _p2y)) _ep1, _ep2 = _bar2.getEndpoints() _p1x, _p1y = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _p2x, _p2y = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_p1x, _p1y, _p2x, _p2y)) _win.draw_segments(_gc, _segs) del _segs[:] # # draw arc # _sa = _crossarc.getStartAngle() _ea = _crossarc.getEndAngle() _rad = int(_crossarc.getRadius()/gtkimage.getUnitsPerPixel()) _pxmin = _px - _rad _pymin = _py - _rad _cw = _ch = _rad * 2 if _sa < _ea: _sweep = _ea - _sa else: _sweep = 360.0 - (_sa - _ea) _win.draw_arc(_gc, False, _pxmin, _pymin, _cw, _ch, int(_sa * 64), int(_sweep * 64)) tool.setCurrentPoint(_ex, _ey) _adim.setLocation(_ix, _iy) _adim.calcDimValues(False) # # draw bars # _ep1, _ep2 = _bar1.getEndpoints() _p1x, _p1y = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _p2x, _p2y = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_p1x, _p1y, _p2x, _p2y)) _ep1, _ep2 = _bar2.getEndpoints() _p1x, _p1y = gtkimage.coordToPixTransform(_ep1[0], _ep1[1]) _p2x, _p2y = gtkimage.coordToPixTransform(_ep2[0], _ep2[1]) _segs.append((_p1x, _p1y, _p2x, _p2y)) _win.draw_segments(_gc, _segs) # # draw arc # _sa = _crossarc.getStartAngle() _ea = _crossarc.getEndAngle() _rad = int(_crossarc.getRadius()/gtkimage.getUnitsPerPixel()) _pxmin = _px - _rad _pymin = _py - _rad _cw = _ch = _rad * 2 if _sa < _ea: _sweep = _ea - _sa else: _sweep = 360.0 - (_sa - _ea) _win.draw_arc(_gc, False, _pxmin, _pymin, _cw, _ch, int(_sa * 64), int(_sweep * 64)) return True def angular_pts_button_press_cb(gtkimage, widget, event, tool): _tol = gtkimage.getTolerance() _image = gtkimage.getImage() _x, _y = _image.getCurrentPoint() _active_layer = _image.getActiveLayer() _pt = None _pts = _active_layer.find('point',_x, _y, _tol) if len(_pts) > 0: _pt = _pts[0] if _pt is None: _layers = [_image.getTopLayer()] while(len(_layers)): _layer = _layers.pop() if _layer is not _active_layer and _layer.isVisible(): _pts = _layer.find('point', _x, _y, _tol) if len(_pts) > 0: _pt = _pts[0] break _layers.extend(_layer.getSublayers()) if _pt is not None: _x, _y = _pt.getCoords() tool.storeCoords(_x, _y) if len(tool) == 2: tool.pushObject(_pt) else: from PythonCAD.Generic.dimension import AngularDimension _p1 = tool.popObject() _vp = tool.popObject() _ds = _image.getOption("DIM_STYLE") _adim = AngularDimension(_vp, _p1, _pt, _x, _y, _ds) tool.pushObject(_adim) return True def angular_text_button_press_cb(gtkimage, widget, event, tool): _x, _y = gtkimage.image.getCurrentPoint() _adim = tool.getDimension() _adim.setLocation(_x, _y) _adim.calcDimValues() _adim.reset() add_dimension(gtkimage) return True def angular_second_button_press_cb(gtkimage, widget, event, tool): _tol = gtkimage.getTolerance() _image = gtkimage.getImage() _x, _y = _image.getCurrentPoint() _layers = [_image.getTopLayer()] while len(_layers): _layer = _layers.pop() if _layer.isVisible(): _pt = None _pts = _layer.find('point', _x, _y, _tol) if len(_pts) > 0: _pt = _pts[0] if _pt is not None: _x, _y = _pt.getCoords() tool.setLocation(_x, _y) tool.setSecondPoint(_pt) tool.setDimPosition(_x, _y) tool.makeDimension(_image) # # set GraphicsContext to Dimension color # _gc = gtkimage.getGC() _gc.set_function(gtk.gdk.INVERT) _col = tool.getDimension().getColor() _gc.set_foreground(gtkimage.getColor(_col)) tool.setHandler("button_press", angular_text_button_press_cb) tool.setHandler("motion_notify", adim_txt_motion_notify_cb) gtkimage.setPrompt(_('Click where the dimension text should be located.')) gtkimage.refresh() break _layers.extend(_layer.getSublayers()) return True def angular_first_button_press_cb(gtkimage, widget, event, tool): _tol = gtkimage.getTolerance() _image = gtkimage.getImage() _x, _y = _image.getCurrentPoint() _layers = [_image.getTopLayer()] while len(_layers): _layer = _layers.pop() if _layer.isVisible(): _pt = None _pts = _layer.find('point', _x, _y, _tol) if len(_pts) > 0: _pt = _pts[0] if _pt is not None: _x, _y = _pt.getCoords() tool.setLocation(_x, _y) tool.setFirstPoint(_pt) tool.setHandler("button_press", angular_second_button_press_cb) gtkimage.setPrompt(_('Click on the second point for the dimension.')) break _layers.extend(_layer.getSublayers()) return True def _test_layer(l, x, y, tol): _pt = _arc = None _pts = l.find('point', x, y) if len(_pts) > 0: _pt = _pts[0] if _pt is None: _pts = l.find('point', x, y, tol) if len(_pts) > 0: _pt = _pts[0] if _pt is None: _arc_pt = None for _arc in l.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 def angular_initial_button_press_cb(gtkimage, widget, event, tool): _tol = gtkimage.getTolerance() _image = gtkimage.getImage() _x, _y = _image.getCurrentPoint() _active_layer = _image.getActiveLayer() _pt, _arc = _test_layer(_active_layer, _x, _y, _tol) if _pt is None and _arc is None: _layers = [_image.getTopLayer()] while len(_layers): _layer = _layers.pop() if _layer is not _active_layer and _layer.isVisible(): _pt, _arc = _test_layer(_layer, _x, _y, _tol) if _pt is not None or _arc is not None: break _layers.extend(_layer.getSublayers()) if _pt is not None: tool.setVertexPoint(_pt) tool.setHandler("button_press", angular_first_button_press_cb) gtkimage.setPrompt(_('Click on the first endpoint for the dimension.')) elif _arc is not None: _cp = _arc.getCenter() tool.setVertexPoint(_cp) _ep1, _ep2 = _arc.getEndpoints() _ex, _ey = _ep1 _pts = _active_layer.find('point', _ex, _ey) assert len(_pts) > 0, "Missing arc first endpoint" tool.setFirstPoint(_pts[0]) _ex, _ey = _ep2 _pts = _active_layer.find('point', _ex, _ey) assert len(_pts) > 0, "Missing arc second endpoint" tool.setSecondPoint(_pts[0]) tool.setDimPosition(_x, _y) tool.makeDimension(_image) tool.setHandler("button_press", angular_text_button_press_cb) tool.setHandler("motion_notify", adim_txt_motion_notify_cb) gtkimage.getGC().set_function(gtk.gdk.INVERT) gtkimage.setPrompt(_('Click where the dimension text should be located.')) return True def angular_mode_init(gtkimage, tool=None): gtkimage.setPrompt(_('Click on the angle vertex point or an arc.')) _tool = gtkimage.getImage().getTool() _tool.initialize() _tool.setHandler("button_press", angular_initial_button_press_cb) _tool.setHandler("initialize", angular_mode_init)