Add all base system changes from the Assembly branch

src/Gui/Inventor/SoAutoZoomTranslation.cpp

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+/***************************************************************************
+ *   Copyright (c)2011  Luke Parry                                         *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  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 Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+
+#ifndef _PreComp_
+# include <Inventor/actions/SoGLRenderAction.h>
+# include <Inventor/misc/SoState.h>
+# include <math.h>
+# include <cfloat>
+#endif
+
+#include <Inventor/actions/SoGetMatrixAction.h>
+#include <Inventor/actions/SoGLRenderAction.h>
+#include <Inventor/elements/SoModelMatrixElement.h>
+#include <Inventor/elements/SoProjectionMatrixElement.h>
+#include <Inventor/elements/SoViewingMatrixElement.h>
+#include <Inventor/elements/SoViewVolumeElement.h>
+#include <Inventor/elements/SoViewportRegionElement.h>
+#include <Inventor/nodes/SoCamera.h>
+
+#include <Base/Console.h>
+
+#include <Gui/Application.h>
+#include <Gui/Document.h>
+#include <Gui/MainWindow.h>
+#include <Gui/View3DInventor.h>
+#include <Gui/View3DInventorViewer.h>
+
+
+#include "SoAutoZoomTranslation.h"
+
+// *************************************************************************
+
+using namespace Gui;
+
+// ------------------------------------------------------
+
+SO_NODE_SOURCE(SoAutoZoomTranslation);
+
+void SoAutoZoomTranslation::initClass()
+{
+    SO_NODE_INIT_CLASS(SoAutoZoomTranslation, SoTransformation, "AutoZoom");
+}
+
+float SoAutoZoomTranslation::getScaleFactor()
+{
+    // Dividing by 5 seems to work well
+
+    Gui::MDIView *mdi = Gui::Application::Instance->activeDocument()->getActiveView();
+    if (mdi && mdi->isDerivedFrom(Gui::View3DInventor::getClassTypeId())) {
+        Gui::View3DInventorViewer *viewer = static_cast<Gui::View3DInventor *>(mdi)->getViewer();
+        float fScale = viewer->getCamera()->getViewVolume(viewer->getCamera()->aspectRatio.getValue()).getWorldToScreenScale(SbVec3f(0.f, 0.f, 0.f), 0.1f) / 5;
+        if (fScale != this->scale) this->touch();
+        this->scale = fScale;
+        return this->scale;
+    } else {
+        return this->scale;
+    }
+}
+
+SoAutoZoomTranslation::SoAutoZoomTranslation()
+{
+    SO_NODE_CONSTRUCTOR(SoAutoZoomTranslation);
+    //SO_NODE_ADD_FIELD(abPos, (SbVec3f(0.f,0.f,0.f)));
+    //this->scale = -1;
+}
+
+void SoAutoZoomTranslation::GLRender(SoGLRenderAction * action)
+{   
+  //Base::Console().Log("Draw\n");
+  SoAutoZoomTranslation::doAction((SoAction *)action);
+  inherited::GLRender(action);
+}
+
+// Doc in superclass.
+void SoAutoZoomTranslation::doAction(SoAction * action)
+{
+    float sf = this->getScaleFactor();
+    SoModelMatrixElement::scaleBy(action->getState(), this,
+                                SbVec3f(sf,sf,sf));
+    //Base::Console().Log("Scale: %f\n",sf);
+}
+
+// set the auto scale factor.
+//void SoAutoZoomTranslation::setAutoScale(void)
+//{
+//    float sf = this->getScaleFactor();
+//    //this->enableNotify	(	false );
+//    scaleFactor.setValue(SbVec3f(sf,sf,sf));
+//    //this->enableNotify	(	true );
+//    //scaleFactor.setDirty (true);
+//    
+//}
+
+void SoAutoZoomTranslation::getMatrix(SoGetMatrixAction * action)
+{
+   //Base::Console().Log("Matrix\n");
+   float sf = this->getScaleFactor();
+
+    SbVec3f scalevec = SbVec3f(sf,sf,sf);
+    SbMatrix m;
+
+    m.setScale(scalevec);
+    action->getMatrix().multLeft(m);
+
+    m.setScale(SbVec3f(1.0f / scalevec[0], 1.0f / scalevec[1], 1.0f / scalevec[2]));
+    action->getInverse().multRight(m);
+  
+}
+
+void SoAutoZoomTranslation::callback(SoCallbackAction * action)
+{
+   // Base::Console().Log("callback\n");
+   SoAutoZoomTranslation::doAction((SoAction*)action);
+}
+
+void SoAutoZoomTranslation::getBoundingBox(SoGetBoundingBoxAction * action)
+{
+   //Base::Console().Log("getBoundingBox\n");
+    SoAutoZoomTranslation::doAction((SoAction*)action);
+}
+
+void SoAutoZoomTranslation::pick(SoPickAction * action)
+{
+   //Base::Console().Log("pick\n");
+    SoAutoZoomTranslation::doAction((SoAction*)action);
+}
+
+// Doc in superclass.
+void SoAutoZoomTranslation::getPrimitiveCount(SoGetPrimitiveCountAction * action)
+{
+   //Base::Console().Log("getPrimitiveCount\n");
+    SoAutoZoomTranslation::doAction((SoAction*)action);
+}