feat: godot-engine-source-4.3-stable

engine/thirdparty/graphite/src/inc/CmapCache.h

@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later
+// Copyright 2010, SIL International, All rights reserved.
+
+#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