1 files changed, 76 insertions, 0 deletions
diff --git a/karbon/visitors/vtransformnodes.cpp b/karbon/visitors/vtransformnodes.cpp
new file mode 100644
index 000000000..102bb33d6
--- /dev/null
+++ b/karbon/visitors/vtransformnodes.cpp
@@ -0,0 +1,76 @@
+/* This file is part of the KDE project
+   Copyright (C) 2002, The Karbon Developers
+
+   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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+
+#include "vpath.h"
+#include "vsegment.h"
+#include "vtransformnodes.h"
+
+
+VTransformNodes::VTransformNodes( const TQWMatrix& m )
+	: m_matrix( m )
+{
+}
+
+void
+VTransformNodes::visitVSubpath( VSubpath& path )
+{
+	path.first();
+	while( path.current() )
+	{
+		if( path.current()->isCurve() )
+		{
+			if( !path.current()->knotIsSelected() &&
+				path.current()->pointIsSelected( 1 ) &&
+				path.current()->next() &&
+				path.current()->next()->isCurve() &&
+				!path.current()->next()->pointIsSelected( 0 ) &&
+				path.current()->isSmooth() )
+			{
+				// Do extra reverse trafo for smooth beziers
+				TQWMatrix m2( m_matrix.m11(), m_matrix.m12(), m_matrix.m21(), m_matrix.m22(),
+							-m_matrix.dx(), -m_matrix.dy() );
+				path.current()->next()->setPoint( 0, path.current()->next()->point( 0 ).transform( m2 ) );
+			}
+			if( path.current()->pointIsSelected( 0 ) &&
+				path.current()->prev() &&
+				path.current()->prev()->isCurve() &&
+				!path.current()->prev()->knotIsSelected() &&
+				!path.current()->prev()->pointIsSelected( 1 ) &&
+				path.current()->prev()->isSmooth() )
+			{
+				// Do extra reverse trafo for smooth beziers
+				TQWMatrix m2( m_matrix.m11(), m_matrix.m12(), m_matrix.m21(), m_matrix.m22(),
+							-m_matrix.dx(), -m_matrix.dy() );
+				path.current()->prev()->setPoint( 1, path.current()->prev()->point( 1 ).transform( m2 ) );
+			}
+		}
+
+		for( uint i = 0; i < path.current()->degree(); ++i )
+		{
+			if( path.current()->pointIsSelected( i ) )
+				path.current()->setPoint( i, path.current()->point( i ).transform( m_matrix ) );
+		}
+
+		if( !success() )
+			setSuccess();
+		path.next();
+	}
+}
+