1 files changed, 66 insertions, 0 deletions
diff --git a/starmath/source/tmpdevice.cxx b/starmath/source/tmpdevice.cxx
new file mode 100644
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--- /dev/null
+++ b/starmath/source/tmpdevice.cxx
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+/* -*- 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 <smmod.hxx>
+#include "tmpdevice.hxx"
+
+#include <svtools/colorcfg.hxx>
+#include <vcl/window.hxx>
+#include <sal/log.hxx>
+
+// SmTmpDevice
+// Allows for font and color changes. The original settings will be restored
+// in the destructor.
+// It's main purpose is to allow for the "const" in the 'OutputDevice'
+// argument in the 'Arrange' functions and restore changes made in the 'Draw'
+// functions.
+// Usually a MapMode of 1/100th mm will be used.
+
+SmTmpDevice::SmTmpDevice(OutputDevice &rTheDev, bool bUseMap100th_mm) :
+    rOutDev(rTheDev)
+{
+    rOutDev.Push(PushFlags::FONT | PushFlags::MAPMODE |
+                 PushFlags::LINECOLOR | PushFlags::FILLCOLOR | PushFlags::TEXTCOLOR);
+    if (bUseMap100th_mm  &&  MapUnit::Map100thMM != rOutDev.GetMapMode().GetMapUnit())
+    {
+        SAL_WARN("starmath", "incorrect MapMode?");
+        rOutDev.SetMapMode(MapMode(MapUnit::Map100thMM)); // format for 100% always
+    }
+}
+
+
+Color SmTmpDevice::GetTextColor(const Color& rTextColor)
+{
+    if (rTextColor == COL_AUTO)
+    {
+        Color aConfigFontColor = SM_MOD()->GetColorConfig().GetColorValue(svtools::FONTCOLOR).nColor;
+        return rOutDev.GetReadableFontColor(aConfigFontColor, rOutDev.GetBackgroundColor());
+    }
+
+    return rTextColor;
+}
+
+
+void SmTmpDevice::SetFont(const vcl::Font &rNewFont)
+{
+    rOutDev.SetFont(rNewFont);
+    rOutDev.SetTextColor(GetTextColor(rNewFont.GetColor()));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */