1 files changed, 58 insertions, 0 deletions
diff --git a/kpovmodeler/pmscalecontrolpoint.cpp b/kpovmodeler/pmscalecontrolpoint.cpp
new file mode 100644
index 00000000..c6def808
--- /dev/null
+++ b/kpovmodeler/pmscalecontrolpoint.cpp
@@ -0,0 +1,58 @@
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2000-2001 by Andreas Zehender
+    email                : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  This program is free software; you can redistribute it and/or modify  *
+*  it under the terms of the GNU General Public License as published by  *
+*  the Free Software Foundation; either version 2 of the License, or     *
+*  (at your option) any later version.                                   *
+*                                                                        *
+**************************************************************************/
+
+#include "pmscalecontrolpoint.h"
+#include "pmmath.h"
+#include "pmdebug.h"
+
+#include <klocale.h>
+#include <math.h>
+
+const double precision = 0.001;
+
+PMScaleControlPoint::PMScaleControlPoint( const PMVector& scale, int id )
+      : PMControlPoint( id, i18n( "Scale" ) )
+{
+   m_scale = scale;
+}
+
+void PMScaleControlPoint::graphicalChangeStarted( )
+{
+   m_originalScale = m_scale;
+}
+
+void PMScaleControlPoint::graphicalChange( const PMVector& startPoint,
+                                           const PMVector& /*viewNormal*/,
+                                           const PMVector& endPoint )
+{
+   int i;
+
+   for( i = 0; i < 3; i++ )
+      if( !approxZero( startPoint[i] ) )
+         m_scale[i] = rint( m_originalScale[i] * endPoint[i] / startPoint[i]
+                            / precision ) * precision;
+}
+
+void PMScaleControlPoint::snapToGrid( )
+{
+   int i;
+   double d = scaleGrid( );
+   if( !approxZero( d ) )
+      for( i = 0; i < 3; i++ )
+         m_scale[i] = rint( m_scale[i] / d ) * d;
+   setChanged( );
+}