1 files changed, 110 insertions, 0 deletions
diff --git a/karbon/visitors/vcomputeboundingbox.cpp b/karbon/visitors/vcomputeboundingbox.cpp
new file mode 100644
index 00000000..e303a2f9
--- /dev/null
+++ b/karbon/visitors/vcomputeboundingbox.cpp
@@ -0,0 +1,110 @@
+/* This file is part of the KDE project
+   Copyright (C) 2006 Jan Hambrecht <[email protected]>
+
+   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 "vcomputeboundingbox.h"
+#include "vdocument.h"
+#include "vlayer.h"
+#include "vgroup.h"
+#include "vcomposite.h"
+#include "vtext.h"
+#include "vimage.h"
+
+VComputeBoundingBox::VComputeBoundingBox( bool omitHidden )
+: m_omitHidden( omitHidden )
+{
+}
+
+void
+VComputeBoundingBox::visitVDocument( VDocument& document )
+{
+	VLayerListIterator itr( document.layers() );
+
+	for( ; itr.current(); ++itr )
+	{
+		if( itr.current()->state() == VObject::deleted )
+			continue;
+		// do not use hidden layers
+		if( m_omitHidden && ! isVisible( itr.current() ) )
+			continue;
+		itr.current()->accept( *this );
+	}
+}
+
+void
+VComputeBoundingBox::visitVLayer( VLayer& layer )
+{
+	VObjectListIterator itr( layer.objects() );
+
+	for( ; itr.current(); ++itr )
+	{
+		if( itr.current()->state() == VObject::deleted )
+			continue;
+		// do not export hidden objects
+		if( m_omitHidden && ! isVisible( itr.current() ) )
+			continue;
+		itr.current()->accept( *this );
+	}
+}
+
+void
+VComputeBoundingBox::visitVGroup( VGroup& group )
+{
+	VObjectListIterator itr( group.objects() );
+
+	for( ; itr.current(); ++itr )
+	{
+		if( itr.current()->state() == VObject::deleted )
+			continue;
+		// do not use hidden child objects
+		if( m_omitHidden && ! isVisible( itr.current() ) )
+			continue;
+		itr.current()->accept( *this );
+	}
+}
+
+void
+VComputeBoundingBox::visitVPath( VPath& composite )
+{
+	m_boundingBox |= composite.boundingBox();
+}
+
+void
+VComputeBoundingBox::visitVText( VText& text )
+{
+	m_boundingBox |= text.boundingBox();
+}
+
+void
+VComputeBoundingBox::visitVImage( VImage& img )
+{
+	m_boundingBox |= img.boundingBox();
+}
+
+bool
+VComputeBoundingBox::isVisible( const VObject* object ) const
+{
+	return object->state() != VObject::hidden && object->state() != VObject::hidden_locked;
+}
+
+const KoRect&
+VComputeBoundingBox::boundingRect() const
+{
+	return m_boundingBox;
+}