191 lines
7.5 KiB
Python
191 lines
7.5 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2011, 2016 *
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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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import FreeCAD
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import FreeCADGui
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from FreeCAD import Base
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import Part
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import Units
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from PySide import QtGui, QtCore
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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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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, removing all the previous annotations"""
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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 the annotations.
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Keyword arguments:
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L -- Selected ship length.
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B -- Selected ship breadth.
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T -- Selected ship draft.
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"""
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self.clean()
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# Move to the international system units
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L *= Units.Metre.Value
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B *= Units.Metre.Value
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T *= Units.Metre.Value
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# Draw the 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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try:
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text = str(QtGui.QApplication.translate(
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"ship_create",
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"Base line",
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None))
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except:
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text = "Base line"
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self.baseLineLabel = DrawText('BaseLineText',
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text,
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Base.Vector(xEnd, 0, 0))
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# Draw the free surface line
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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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try:
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text = str(QtGui.QApplication.translate(
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"ship_create",
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"Free surface",
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None))
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except:
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text = "Free surface"
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self.fsLineLabel = DrawText('FSText', text, Base.Vector(xEnd, 0, T))
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# Draw the 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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try:
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text = str(QtGui.QApplication.translate(
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"ship_create",
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"Forward perpendicular",
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None))
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except:
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text = "Forward perpendicular"
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self.fpLineLabel = DrawText('FPText',
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text,
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Base.Vector(0.5 * L, 0, zEnd))
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# Draw the 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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try:
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text = str(QtGui.QApplication.translate(
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"ship_create",
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"After perpendicular",
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None))
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except:
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text = "After perpendicular"
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self.apLineLabel = DrawText('APText',
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text,
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Base.Vector(-0.5 * L, 0, zEnd))
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# Draw the 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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try:
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text = str(QtGui.QApplication.translate(
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"ship_create",
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"Main frame",
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None))
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except:
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text = "Main frame"
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self.amLineLabel = DrawText('AMText',
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text,
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Base.Vector(0, -0.5 * B, zEnd))
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def clean(self):
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"""Remove all previous annotations from screen."""
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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,
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string,
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position,
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displayMode="Screen",
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angle=0.0,
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justification="Left",
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colour=(0.0, 0.0, 0.0),
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size=12):
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"""Draw a text in the screen.
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Keyword arguments:
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name -- Name (label) of the object to generate.
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string -- Text to draw (it is strongly recommended to use format u'').
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position -- Point to draw the text.
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angle -- Counter clockwise rotation of text.
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justification -- Alignement of the text ("Left", "Right" or "Center").
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colour -- Colour of the text.
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size -- Font size (in points pt).
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Returns:
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A 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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doc = FreeCADGui.ActiveDocument
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doc.getObject(text.Name).Rotation = angle
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doc.getObject(text.Name).Justification = justification
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doc.getObject(text.Name).FontSize = size
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doc.getObject(text.Name).TextColor = colour
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doc.getObject(text.Name).DisplayMode = displayMode
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return FreeCAD.ActiveDocument.getObject(text.Name)
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