143 lines
5.6 KiB
Python
143 lines
5.6 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2011, 2012 *
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#* Jose Luis Cercos Pita <jlcercos@gmail.com> *
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#* *
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#* This program is free software; you can redistribute it and/or modify *
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#* it under the terms of the GNU Lesser General Public License (LGPL) *
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#* as published by the Free Software Foundation; either version 2 of *
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#* the License, or (at your option) any later version. *
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#* for detail see the LICENCE text file. *
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#* *
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#* This program is distributed in the hope that it will be useful, *
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#* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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#* GNU Library General Public License for more details. *
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#* *
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#* You should have received a copy of the GNU Library General Public *
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#* License along with this program; if not, write to the Free Software *
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#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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#* USA *
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#* *
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#***************************************************************************
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# FreeCAD modules
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import FreeCAD,FreeCADGui
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from FreeCAD import Base
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import Part
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# Qt library
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from PyQt4 import QtGui,QtCore
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# FreeCADShip modules
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from shipUtils import Paths
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class Preview(object):
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def __init__(self):
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""" Constructor.
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"""
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self.baseLine = None
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self.baseLineLabel = None
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self.reinit()
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def reinit(self):
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""" Reinitializate drawer.
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"""
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self.clean()
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def update(self, L, B, T):
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""" Update the 3D view printing annotations.
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@param L Ship length.
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@param B Ship beam.
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@param T Ship draft.
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"""
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# Destroy all previous entities
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self.clean()
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# Draw base line
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xStart = -0.6*L;
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xEnd = 0.6*L;
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baseLine = Part.makeLine((xStart,0,0),(xEnd,0,0))
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Part.show(baseLine)
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objs = FreeCAD.ActiveDocument.Objects
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self.baseLine = objs[len(objs)-1]
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self.baseLine.Label = 'BaseLine'
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text = str(QtGui.QApplication.translate("ship_create","Base line",
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None,QtGui.QApplication.UnicodeUTF8))
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self.baseLineLabel = DrawText('BaseLineText', text, Base.Vector(xEnd,0,0))
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# Draw free surface
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fsLine = Part.makeLine((xStart,0,T),(xEnd,0,T))
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Part.show(fsLine)
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objs = FreeCAD.ActiveDocument.Objects
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self.fsLine = objs[len(objs)-1]
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self.fsLine.Label = 'FreeSurface'
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text = str(QtGui.QApplication.translate("ship_create","Free surface",
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None,QtGui.QApplication.UnicodeUTF8))
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self.fsLineLabel = DrawText('FSText', text, Base.Vector(xEnd,0,T))
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# Draw forward perpendicular
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zStart = -0.1*T
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zEnd = 1.1*T
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fpLine = Part.makeLine((0.5*L,0,zStart),(0.5*L,0,zEnd))
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Part.show(fpLine)
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objs = FreeCAD.ActiveDocument.Objects
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self.fpLine = objs[len(objs)-1]
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self.fpLine.Label = 'ForwardPerpendicular'
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text = str(QtGui.QApplication.translate("ship_create","Forward perpendicular",
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None,QtGui.QApplication.UnicodeUTF8))
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self.fpLineLabel = DrawText('FPText', text, Base.Vector(0.5*L,0,zEnd))
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# Draw after perpendicular
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apLine = Part.makeLine((-0.5*L,0,zStart),(-0.5*L,0,zEnd))
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Part.show(apLine)
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objs = FreeCAD.ActiveDocument.Objects
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self.apLine = objs[len(objs)-1]
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self.apLine.Label = 'AfterPerpendicular'
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text = str(QtGui.QApplication.translate("ship_create","After perpendicular",
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None,QtGui.QApplication.UnicodeUTF8))
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self.apLineLabel = DrawText('APText', text, Base.Vector(-0.5*L,0,zEnd))
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# Draw amin frame
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amLine = Part.makeLine((0,-0.5*B,zStart),(0,-0.5*B,zEnd))
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Part.show(amLine)
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objs = FreeCAD.ActiveDocument.Objects
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self.amLine = objs[len(objs)-1]
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self.amLine.Label = 'AminFrame'
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text = str(QtGui.QApplication.translate("ship_create","Main frame",
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None,QtGui.QApplication.UnicodeUTF8))
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self.amLineLabel = DrawText('AMText', text, Base.Vector(0,-0.5*B,zEnd))
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def clean(self):
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""" Erase all annotations from screen.
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"""
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if not self.baseLine:
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return
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FreeCAD.ActiveDocument.removeObject(self.baseLine.Name)
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FreeCAD.ActiveDocument.removeObject(self.baseLineLabel.Name)
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FreeCAD.ActiveDocument.removeObject(self.fsLine.Name)
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FreeCAD.ActiveDocument.removeObject(self.fsLineLabel.Name)
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FreeCAD.ActiveDocument.removeObject(self.fpLine.Name)
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FreeCAD.ActiveDocument.removeObject(self.fpLineLabel.Name)
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FreeCAD.ActiveDocument.removeObject(self.apLine.Name)
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FreeCAD.ActiveDocument.removeObject(self.apLineLabel.Name)
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FreeCAD.ActiveDocument.removeObject(self.amLine.Name)
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FreeCAD.ActiveDocument.removeObject(self.amLineLabel.Name)
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def DrawText(name, string, position, displayMode="Screen", angle=0.0, justification="Left", colour=(0.00,0.00,0.00), size=12):
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""" Draws a text in a desired position.
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@param name Name of the object
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@param string Text to draw (recommended format u'')
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@param position Point to draw the text
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@param angle Counter clockwise rotation of text
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@param justification Alignement of the text ("Left", "Right" or "Center")
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@param colour Colour of the text
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@param size Font size
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@return FreeCAD annotation object
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"""
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# Create the object
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text = FreeCAD.ActiveDocument.addObject("App::Annotation",name)
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# Set the text
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text.LabelText = [string, u'']
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# Set the options
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text.Position = position
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FreeCADGui.ActiveDocument.getObject(text.Name).Rotation = angle
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FreeCADGui.ActiveDocument.getObject(text.Name).Justification = justification
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FreeCADGui.ActiveDocument.getObject(text.Name).FontSize = size
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FreeCADGui.ActiveDocument.getObject(text.Name).TextColor = colour
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FreeCADGui.ActiveDocument.getObject(text.Name).DisplayMode = displayMode
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return FreeCAD.ActiveDocument.getObject(text.Name)
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