1 files changed, 100 insertions, 0 deletions
diff --git a/chart2/source/tools/RelativeSizeHelper.cxx b/chart2/source/tools/RelativeSizeHelper.cxx
new file mode 100644
index 000000000000..d3da090ca397
--- /dev/null
+++ b/chart2/source/tools/RelativeSizeHelper.cxx
@@ -0,0 +1,100 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_chart2.hxx"
+#include "RelativeSizeHelper.hxx"
+#include "macros.hxx"
+
+#include <vector>
+#include <algorithm>
+
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::beans;
+using namespace ::std;
+
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::makeAny;
+using ::com::sun::star::uno::Exception;
+using ::rtl::OUString;
+
+namespace chart
+{
+
+// static
+double RelativeSizeHelper::calculate(
+    double fValue,
+    const Size & rOldReferenceSize,
+    const Size & rNewReferenceSize )
+{
+    if( rOldReferenceSize.Width <= 0 ||
+        rOldReferenceSize.Height <= 0 )
+        return fValue;
+
+    return min(
+        static_cast< double >( rNewReferenceSize.Width )  / static_cast< double >( rOldReferenceSize.Width ),
+        static_cast< double >( rNewReferenceSize.Height ) / static_cast< double >( rOldReferenceSize.Height ))
+        * fValue;
+}
+
+// static
+void RelativeSizeHelper::adaptFontSizes(
+    const Reference< XPropertySet > & xTargetProperties,
+    const Size & rOldReferenceSize,
+    const Size & rNewReferenceSize )
+{
+    if( ! xTargetProperties.is())
+        return;
+
+    float fFontHeight = 0;
+
+    vector< OUString > aProperties;
+    aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeight" )));
+    aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightAsian" )));
+    aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightComplex" )));
+
+    for( vector< OUString >::const_iterator aIt = aProperties.begin();
+         aIt != aProperties.end(); ++aIt )
+    {
+        try
+        {
+            if( xTargetProperties->getPropertyValue( *aIt ) >>= fFontHeight )
+            {
+                xTargetProperties->setPropertyValue(
+                    *aIt,
+                    makeAny( static_cast< float >(
+                                 calculate( fFontHeight, rOldReferenceSize, rNewReferenceSize ))));
+            }
+        }
+        catch( const Exception & ex )
+        {
+            ASSERT_EXCEPTION( ex );
+        }
+    }
+}
+
+} //  namespace chart