Merge branch 'master' into agy/NewPV1_For_850

[modules/gui.git] / src / OCCViewer / OCCViewer_Utilities.cxx

diff --git a/src/OCCViewer/OCCViewer_Utilities.cxx b/src/OCCViewer/OCCViewer_Utilities.cxx
index 2818884c390688c02d33a285450d2a4f21c6545c..9a560d77a6eb92028dcbd3692114b69e62dd14a7 100755 (executable)
--- a/src/OCCViewer/OCCViewer_Utilities.cxx
+++ b/src/OCCViewer/OCCViewer_Utilities.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2015  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2014-2016  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -27,15 +27,14 @@
 #include "QtxActionToolMgr.h"
 #include "QtxMultiAction.h"
 
-// KERNEL includes
-#include <Basics_OCCTVersion.hxx>
-
 // OCC includes
 #include <V3d_View.hxx>
+#include <Graphic3d_MapIteratorOfMapOfStructure.hxx>
 
 // QT includes
 #include <QImage>
 #include <QAction>
+#include <QDialog>
 
 Handle(Image_PixMap) OCCViewer_Utilities::imageToPixmap( const QImage& anImage )
 {
@@ -47,7 +46,6 @@ Handle(Image_PixMap) OCCViewer_Utilities::imageToPixmap( const QImage& anImage )
     const uchar* aImageBytes = anImage.bits();
       
     for ( int aLine = anImage.height() - 1; aLine >= 0; --aLine ) {
-#if OCC_VERSION_LARGE > 0x06070100
       // convert pixels from ARGB to renderer-compatible RGBA
       for ( int aByte = 0; aByte < anImage.width(); ++aByte ) {
            Image_ColorBGRA& aPixmapBytes = aPixmap->ChangeValue<Image_ColorBGRA>(aLine, aByte);
@@ -57,18 +55,6 @@ Handle(Image_PixMap) OCCViewer_Utilities::imageToPixmap( const QImage& anImage )
            aPixmapBytes.r() = (Standard_Byte) *aImageBytes++;
            aPixmapBytes.a() = (Standard_Byte) *aImageBytes++;
          }
-#else
-         Image_ColorBGRA* aPixmapBytes = aPixmap->EditData<Image_ColorBGRA>().ChangeRow(aLine);
-       
-      // convert pixels from ARGB to renderer-compatible RGBA
-      for ( int aByte = 0; aByte < anImage.width(); ++aByte ) {
-           aPixmapBytes->b() = (Standard_Byte) *aImageBytes++;
-           aPixmapBytes->g() = (Standard_Byte) *aImageBytes++;
-           aPixmapBytes->r() = (Standard_Byte) *aImageBytes++;
-           aPixmapBytes->a() = (Standard_Byte) *aImageBytes++;
-           aPixmapBytes++;
-      }
-#endif
     }
   }
   return aPixmap;
@@ -135,3 +121,90 @@ OCCViewer_ViewWindow::Mode2dType OCCViewer_Utilities::setViewer2DMode
 
   return anOldMode;
 }
+
+bool OCCViewer_Utilities::isDialogOpened( OCCViewer_ViewWindow* theView, const QString& theName )
+{
+  bool isFound = false;
+  OCCViewer_ViewFrame* aViewFrame = dynamic_cast<OCCViewer_ViewFrame*>( theView->parent()->parent() );
+  QList<QDialog*> allDialogs = aViewFrame->findChildren<QDialog*>();
+  foreach ( QDialog* d, allDialogs )
+    if ( d->objectName() == theName )
+      isFound = true;
+  return isFound;
+}
+
+bool OCCViewer_Utilities::computeVisibleBounds( const Handle(V3d_View) theView,
+                                                double theBounds[6] )
+{
+  bool isAny = false;
+
+  theBounds[0] = theBounds[2] = theBounds[4] = DBL_MAX;
+  theBounds[1] = theBounds[3] = theBounds[5] = -DBL_MAX;
+
+  Graphic3d_MapOfStructure aSetOfStructures;
+  theView->View()->DisplayedStructures( aSetOfStructures );
+  Graphic3d_MapIteratorOfMapOfStructure aStructureIt( aSetOfStructures );
+
+  for( ; aStructureIt.More(); aStructureIt.Next() ) {
+    const Handle(Graphic3d_Structure)& aStructure = aStructureIt.Key();
+    if ( aStructure->IsEmpty() || !aStructure->IsVisible() ||
+         aStructure->IsInfinite() || aStructure->CStructure()->IsForHighlight )
+      continue;
+    double aBounds[6];
+    Bnd_Box aBox = aStructure->MinMaxValues();
+    aBounds[0] = aBox.IsVoid() ? RealFirst() : aBox.CornerMin().X();
+    aBounds[2] = aBox.IsVoid() ? RealFirst() : aBox.CornerMin().Y();
+    aBounds[4] = aBox.IsVoid() ? RealFirst() : aBox.CornerMin().Z();
+    aBounds[1] = aBox.IsVoid() ? RealLast()  : aBox.CornerMax().X();
+    aBounds[3] = aBox.IsVoid() ? RealLast()  : aBox.CornerMax().Y();
+    aBounds[5] = aBox.IsVoid() ? RealLast()  : aBox.CornerMax().Z();
+
+    if ( aBounds[0] > -DBL_MAX && aBounds[1] < DBL_MAX &&
+         aBounds[2] > -DBL_MAX && aBounds[3] < DBL_MAX &&
+         aBounds[4] > -DBL_MAX && aBounds[5] < DBL_MAX )
+    {
+      isAny = true;
+      for ( int i = 0; i < 5; i = i + 2 ) {
+        theBounds[i] = std::min( theBounds[i], aBounds[i] );
+        theBounds[i+1] = std::max( theBounds[i+1], aBounds[i+1] );
+      }
+    }
+  }
+  return isAny;
+}
+
+bool OCCViewer_Utilities::computeVisibleBBCenter( const Handle(V3d_View) theView,
+                                                  double& theX, double& theY, double& theZ )
+{
+  double aBounds[6];
+  if ( !computeVisibleBounds( theView, aBounds ) )
+  {
+    // null bounding box => the center is (0,0,0)
+    theX = 0.0;
+    theY = 0.0;
+    theZ = 0.0;
+    return true;
+  }
+
+  static double aMinDistance = 1.0 / DBL_MAX;
+
+  double aLength = aBounds[1]-aBounds[0];
+  aLength = std::max( ( aBounds[3]-aBounds[2]), aLength );
+  aLength = std::max( ( aBounds[5]-aBounds[4]), aLength );
+
+  if ( aLength < aMinDistance )
+    return false;
+
+  double aWidth = sqrt( ( aBounds[1] - aBounds[0] ) * ( aBounds[1] - aBounds[0] ) +
+                        ( aBounds[3] - aBounds[2] ) * ( aBounds[3] - aBounds[2] ) +
+                        ( aBounds[5] - aBounds[4] ) * ( aBounds[5] - aBounds[4] ) );
+
+  if(aWidth < aMinDistance)
+    return false;
+
+  theX = (aBounds[0] + aBounds[1])/2.0;
+  theY = (aBounds[2] + aBounds[3])/2.0;
+  theZ = (aBounds[4] + aBounds[5])/2.0;
+
+  return true;
+}