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+/* GRAPHITE2 LICENSING
+
+ Copyright 2010, SIL International
+ All rights reserved.
+
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of License, or
+ (at your option) any later version.
+
+ This program 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 for more details.
+
+ You should also have received a copy of the GNU Lesser General Public
+ License along with this library in the file named "LICENSE".
+ If not, write to the Free Software Foundation, 51 Franklin Street,
+ Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
+ internet at http://www.fsf.org/licenses/lgpl.html.
+
+Alternatively, the contents of this file may be used under the terms of the
+Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
+License, as published by the Free Software Foundation, either version 2
+of the License or (at your option) any later version.
+*/
+#pragma once
+
+#include "inc/Main.h"
+#include "inc/Face.h"
+
+namespace graphite2 {
+
+class Face;
+
+class Cmap
+{
+public:
+
+ virtual ~Cmap() throw() {}
+
+ virtual uint16 operator [] (const uint32) const throw() { return 0; }
+
+ virtual operator bool () const throw() { return false; }
+
+ CLASS_NEW_DELETE;
+};
+
+class DirectCmap : public Cmap
+{
+ DirectCmap(const DirectCmap &);
+ DirectCmap & operator = (const DirectCmap &);
+
+public:
+ DirectCmap(const Face &);
+ virtual uint16 operator [] (const uint32 usv) const throw();
+ virtual operator bool () const throw();
+
+ CLASS_NEW_DELETE;
+private:
+ const Face::Table _cmap;
+ const void * _smp,
+ * _bmp;
+};
+
+class CachedCmap : public Cmap
+{
+ CachedCmap(const CachedCmap &);
+ CachedCmap & operator = (const CachedCmap &);
+
+public:
+ CachedCmap(const Face &);
+ virtual ~CachedCmap() throw();
+ virtual uint16 operator [] (const uint32 usv) const throw();
+ virtual operator bool () const throw();
+ CLASS_NEW_DELETE;
+private:
+ bool m_isBmpOnly;
+ uint16 ** m_blocks;
+};
+
+} // namespace graphite2