opengl.objectdialog — pyFormex 1.0.5 documentation

# Source code for opengl.objectdialog

    # $Id$
    ##
    ##  This file is part of pyFormex 1.0.5  (Sat Feb 16 10:40:32 CET 2019)
    ##  pyFormex is a tool for generating, manipulating and transforming 3D
    ##  geometrical models by sequences of mathematical operations.
    ##  Home page: http://pyformex.org
    ##  Project page:  http://savannah.nongnu.org/projects/pyformex/
    ##  Copyright 2004-2018 (C) Benedict Verhegghe (benedict.verhegghe@ugent.be)
    ##  Distributed under the GNU General Public License version 3 or later.
    ##
    ##  This program 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 3 of the License, or
    ##  (at your option) any later version.
    ##
    ##  This program 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 this program.  If not, see http://www.gnu.org/licenses/.
    ##

    """Interactive modification of the rendered scene

    This module contains some tools that can be used to interactively
    modify the rendered scene.
    """
    from __future__ import absolute_import, division, print_function

    import pyformex as pf
    from pyformex.opengl.drawable import GeomActor
    from pyformex.gui.draw import _T, _G, _I, Dialog
    from pyformex.opengl.colors import GLcolor

    def objectDialog(obj=None,unlike='object_'):
        """Create an interactive object dialog for drawn objects

        obj is a single drawn object or a list thereof.
        If no objects are specified, the current scene actors are
        used.
        A drawn object is the return value of a draw() function call.
        """
        items = None

        def set_attr(field):
            actor = field.data
            key = field.text()
            val = field.value()
            if key in ['objectColor','objectBkColor']:
                #print("VALUE %s" % val)
                val = GLcolor(val)
            print("%s: %s = %s" % (actor.name, key, val))
            setattr(actor, key, val)
            pf.canvas.update()

        def objectItems(obj):
            if not isinstance(obj,GeomActor):
               return []

            items = [
    #            _I('name', obj.name),
                _I('visible', True, func=set_attr, data=obj),
                _I('opak', obj.opak, func=set_attr, data=obj),
                ]

            if 'objectColor' in obj:
                items.append(_I('objectColor', obj.objectColor, itemtype='color', min=0.0, max=100.0, scale=0.01, func=set_attr, data=obj))
            if 'objectBkColor' in obj:
                items.append(_I('objectBkColor', obj.objectBkColor, itemtype='color', min=0.0, max=100.0, scale=0.01, func=set_attr, data=obj))
            if 'alpha' in obj:
                items.append(_I('alpha', obj.alpha, itemtype='fslider', min=0.0, max=100.0, scale=0.01, func=set_attr, data=obj))
            if 'pointsize' in obj:
                items.append(_I('pointsize', obj.marksize, itemtype='fslider', min=0.0, max=100.0, scale=0.1, func=set_attr, data=obj))

            return items

        # process obj
        if obj is None:
            obj = pf.canvas.actors

        if isinstance(obj,GeomActor):
            items = objectItems(obj)

        elif isinstance(obj,list):
            print([type(o) for o in obj])
            obj = [ o for o in obj if isinstance(o,GeomActor) ]
            print([o.name for o in obj])
            if unlike:
                obj = [ o for o in obj if not o.name.startswith(unlike) ]
            items = [
                _T(o.name,objectItems(o)) for o in obj
                ]

        if items:
            return Dialog(items,caption='Object Render Dialog',modal=False)

    # End