1 files changed, 41 insertions, 0 deletions
diff --git a/include/svx/DocumentColorHelper.hxx b/include/svx/DocumentColorHelper.hxx
new file mode 100644
index 0000000000..9388b7cba8
--- /dev/null
+++ b/include/svx/DocumentColorHelper.hxx
@@ -0,0 +1,41 @@
+/* -*- 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/.
+ *
+ */
+
+#pragma once
+
+#include <editeng/brushitem.hxx>
+#include <editeng/colritem.hxx>
+#include <set>
+#include <svl/itempool.hxx>
+
+namespace svx
+{
+namespace DocumentColorHelper
+{
+inline Color getColorFromItem(const SvxColorItem* pItem) { return pItem->GetValue(); }
+
+inline Color getColorFromItem(const SvxBrushItem* pItem) { return pItem->GetColor(); }
+
+template <class T>
+void queryColors(const sal_uInt16 nAttrib, const SfxItemPool* pPool, std::set<Color>& rOutput)
+{
+    for (const SfxPoolItem* pItem : pPool->GetItemSurrogates(nAttrib))
+    {
+        auto pColorItem = static_cast<const T*>(pItem);
+        Color aColor(getColorFromItem(pColorItem));
+        if (COL_AUTO != aColor)
+            rOutput.insert(aColor);
+    }
+}
+}
+
+} // end of namespace svx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */