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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*************************************************************************
- *
- * 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.
- *
- ************************************************************************/
-
-#ifndef SD_SLIDESORTER_VIEW_FONT_PROVIDER_HXX
-#define SD_SLIDESORTER_VIEW_FONT_PROVIDER_HXX
-
-#include "tools/SdGlobalResourceContainer.hxx"
-
-#include <boost/shared_ptr.hpp>
-#include <vcl/mapmod.hxx>
-
-class Font;
-class OutputDevice;
-class VclWindowEvent;
-
-namespace sd { namespace slidesorter { namespace view {
-
-/** This simple singleton class provides fonts that are scaled so that they
- have a fixed height on the given device regardless of its map mode.
-*/
-class FontProvider
- : public SdGlobalResource
-{
-public:
- typedef ::boost::shared_ptr<Font> SharedFontPointer;
-
- /** Return the single instance of this class. Throws a RuntimeException
- when no instance can be created.
- */
- static FontProvider& Instance (void);
-
- /** Return a font that is scaled according to the current map mode of
- the given device. Repeated calls with a device, not necessarily the
- same device, with the same map mode will return the same font. The
- first call with a different map mode will release the old font and
- create a new one that is correctly scaled.
- */
- SharedFontPointer GetFont (const OutputDevice& rDevice);
-
- /** Call this method to tell an object to release its currently used
- font. The next call to GetFont() will then create a new one.
- Typically called after a DataChange event when for instance a system
- font has been modified.
- */
- void Invalidate (void);
-
-private:
- static FontProvider* mpInstance;
-
- /** The font that was created by a previous call to GetFont(). It is
- replaced by another one only when GetFont() is called with a device
- with a different map mode or by a call to Invalidate().
- */
- SharedFontPointer maFont;
- /** The mape mode for which maFont was created.
- */
- MapMode maMapMode;
-
- FontProvider (void);
- virtual ~FontProvider (void);
-
- // Copy constructor is not implemented.
- FontProvider (const FontProvider&);
- // Assignment operator is not implemented.
- FontProvider& operator= (const FontProvider&);
-};
-
-} } } // end of namespace ::sd::slidesorter::view
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */