kc3-lang/ftgl

diff --git a/src/FTCleanup.cpp b/src/FTCleanup.cpp
new file mode 100644
index 0000000..bd9edb8
--- /dev/null
+++ b/src/FTCleanup.cpp
@@ -0,0 +1,69 @@
+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2009 Sam Hocevar <sam@hocevar.net>
+ *               2009 Mathew Eis (kingrobot)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include "FTCleanup.h"
+
+FTCleanup *FTCleanup::_instance = 0;
+
+
+FTCleanup::FTCleanup()
+{
+}
+
+
+FTCleanup::~FTCleanup()
+{
+    std::set<FT_Face **>::iterator cleanupItr = cleanupFT_FaceItems.begin();
+    FT_Face **cleanupFace = 0;
+
+    while (cleanupItr != cleanupFT_FaceItems.end())
+    {
+        cleanupFace = *cleanupItr;
+        if (*cleanupFace)
+        {
+            FT_Done_Face(**cleanupFace);
+            delete *cleanupFace;
+            *cleanupFace = 0;
+        }
+        cleanupItr++;
+    }
+    cleanupFT_FaceItems.clear();
+}
+
+
+void FTCleanup::RegisterObject(FT_Face **obj)
+{
+    cleanupFT_FaceItems.insert(obj);
+}
+
+
+void FTCleanup::UnregisterObject(FT_Face **obj)
+{
+    cleanupFT_FaceItems.erase(obj);
+}
+
diff --git a/src/FTCleanup.h b/src/FTCleanup.h
new file mode 100644
index 0000000..49b23ed
--- /dev/null
+++ b/src/FTCleanup.h
@@ -0,0 +1,104 @@
+/*
+ * FTGL - OpenGL font library
+ *
+ * Copyright (c) 2009 Sam Hocevar <sam@hocevar.net>
+ *               2009 Mathew Eis (kingrobot)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef     __FTCleanup__
+#define     __FTCleanup__
+
+#include <set>
+
+#include "FTFace.h"
+
+/**
+ * A dummy object type for items to be stored in the cleanup list
+ */
+typedef void* FTCleanupObject;
+
+/**
+ * FTCleanup is used as a "callback" by FTLibrary to
+ * make sure things are cleaned up in the right order
+ */
+class FTCleanup
+{
+    protected:
+
+        /**
+         * singleton instance
+         */
+        static FTCleanup* _instance;
+
+        /**
+         * Constructors
+         */
+         FTCleanup();
+
+        /**
+         * Destructor
+         */
+         ~FTCleanup();
+
+    public:
+
+        /**
+         * Generate the instance if necessary and return it
+         *
+         * @return The FTCleanup instance
+         */
+        static FTCleanup* Instance()
+        {
+            if (FTCleanup::_instance == 0)
+                FTCleanup::_instance = new FTCleanup;
+            return FTCleanup::_instance;
+        }
+
+        /**
+        * Destroy the FTCleanup instance
+        */
+        static void DestroyAll()
+        {
+            delete FTCleanup::_instance;
+        }
+
+        /**
+         * Add an FT_Face to the cleanup list
+         *
+         * @param obj The reference to the FT_Face to be deleted on cleanup
+         */
+        void RegisterObject(FT_Face **obj);
+
+        /**
+         * Remove an FT_Face from the cleanup list
+         *
+         * @param obj The reference to the FT_Face to be removed from the list
+         */
+        void UnregisterObject(FT_Face **obj);
+
+    private:
+
+        std::set<FT_Face **> cleanupFT_FaceItems;
+};
+
+#endif  //  __FTCleanup__
+