1 files changed, 82 insertions, 0 deletions
diff --git a/chart2/source/view/charttypes/CategoryPositionHelper.cxx b/chart2/source/view/charttypes/CategoryPositionHelper.cxx
new file mode 100644
index 000000000..d7412d3cb
--- /dev/null
+++ b/chart2/source/view/charttypes/CategoryPositionHelper.cxx
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "CategoryPositionHelper.hxx"
+
+namespace chart
+{
+
+CategoryPositionHelper::CategoryPositionHelper( double fSeriesCount, double fCategoryWidth )
+    : m_fSeriesCount(fSeriesCount)
+    , m_fCategoryWidth(fCategoryWidth)
+    , m_fInnerDistance(0.0)
+    , m_fOuterDistance(1.0)
+{
+}
+
+CategoryPositionHelper::~CategoryPositionHelper()
+{
+}
+
+double CategoryPositionHelper::getScaledSlotWidth() const
+{
+    double fWidth = m_fCategoryWidth /
+                (  m_fSeriesCount
+                 + m_fOuterDistance
+                 + m_fInnerDistance*( m_fSeriesCount - 1.0) );
+    return fWidth;
+}
+
+double CategoryPositionHelper::getScaledSlotPos( double fScaledXPos, double fSeriesNumber ) const
+{
+    //the returned position is in the middle of the rect
+    //fSeriesNumber 0...n-1
+    double fPos = fScaledXPos
+           - (m_fCategoryWidth/2.0)
+           + (m_fOuterDistance/2.0 + fSeriesNumber*(1.0+m_fInnerDistance)) * getScaledSlotWidth()
+           + getScaledSlotWidth()/2.0;
+    return fPos;
+}
+
+void CategoryPositionHelper::setInnerDistance( double fInnerDistance )
+{
+    if( fInnerDistance < -1.0 )
+        fInnerDistance = -1.0;
+    if( fInnerDistance > 1.0 )
+        fInnerDistance = 1.0;
+    m_fInnerDistance = fInnerDistance;
+}
+
+void CategoryPositionHelper::setOuterDistance( double fOuterDistance )
+{
+    if( fOuterDistance < 0.0 )
+        fOuterDistance = 0.0;
+    if( fOuterDistance > 6.0 )
+        fOuterDistance = 6.0;
+    m_fOuterDistance = fOuterDistance;
+}
+
+void CategoryPositionHelper::setCategoryWidth( double fCategoryWidth )
+{
+    m_fCategoryWidth = fCategoryWidth;
+}
+
+} //namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */