FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2016 WandererFan <wandererfan@gmail.com>                *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  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 library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#include <Base/Parameter.h>
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#include <Mod/TechDraw/App/Preferences.h>
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#include "Rez.h"
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using namespace TechDraw;
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using namespace TechDrawGui;
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//*** initial static var outside methods!
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double Rez::m_rezFactor = Rez::getParameter();
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//***
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double Rez::getRezFactor()
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{
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    return Rez::m_rezFactor;
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}
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void Rez::setRezFactor(double f)
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{
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    Rez::m_rezFactor = f;
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}
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//turn App side value to Gui side value
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double Rez::guiX(double x)
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{
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   return getRezFactor() * x;
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}
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Base::Vector3d Rez::guiX(Base::Vector3d v)
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{
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    return Base::Vector3d(guiX(v.x), guiX(v.y), guiX(v.z));
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}
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Base::Vector2d Rez::guiX(Base::Vector3d v, bool planar)
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{
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    Q_UNUSED(planar);
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    return Base::Vector2d(guiX(v.x), guiX(v.y));
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}
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QPointF Rez::guiX(QPointF p)
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{
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    return Rez::guiPt(p);
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}
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//turn Gui side value to App side value
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double Rez::appX(double x)
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{
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   return x / getRezFactor();
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}
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Base::Vector3d Rez::appX(Base::Vector3d v)
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{
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    return Base::Vector3d(appX(v.x), appX(v.y), appX(v.z));
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}
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QPointF Rez::appX(QPointF p)
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{
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    return appPt(p);
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}
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//Misc conversions
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QPointF Rez::guiPt(QPointF p)
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{
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    return p * getRezFactor();
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}
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QPointF Rez::appPt(QPointF p)
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{
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    return QPointF(appX(p.x()), appX(p.y()));
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}
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QRectF Rez::guiRect(QRectF r)
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{
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    return QRectF(guiX(r.left()),
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                  guiX(r.top()),
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                  guiX(r.width()),
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                  guiX(r.height()));
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}
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QSize Rez::guiSize(QSize s)
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{
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    return QSize((int)guiX(s.width()), (int)guiX(s.height()));
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}
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QSize Rez::appSize(QSize s)
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{
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    return QSize((int)appX(s.width()), (int)appX(s.height()));
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}
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double Rez::getParameter()
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{
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    return Preferences::getPreferenceGroup("Rez")->GetFloat("Resolution", 10.0);
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}
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