1 files changed, 76 insertions, 0 deletions
diff --git a/core/SkTemplatesPriv.h b/core/SkTemplatesPriv.h
new file mode 100644
index 00000000..79ae6093
--- /dev/null
+++ b/core/SkTemplatesPriv.h
@@ -0,0 +1,76 @@
+
+/*
+ * Copyright 2006 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkTemplatesPriv_DEFINED
+#define SkTemplatesPriv_DEFINED
+
+#include "SkTemplates.h"
+
+////////////////////////////////////////////////////////////////////////////////
+
+#ifdef SK_BUILD_FOR_WIN32
+    #define SK_PLACEMENT_NEW(result, classname, storage, storageSize)   \
+        result = SkNEW(classname)
+
+    #define SK_PLACEMENT_NEW_ARGS(result, classname, storage, storageSize, args)    \
+        result = SkNEW_ARGS(classname, args)
+#else
+    #include <new>
+    #define SK_PLACEMENT_NEW(result, classname, storage, storagesize)       \
+    do {                                                                    \
+        if (storagesize)                                                    \
+        {                                                                   \
+            SkASSERT(storageSize >= sizeof(classname));                     \
+            result = new(storage) classname;                                \
+        }                                                                   \
+        else                                                                \
+            result = SkNEW(classname);                                      \
+    } while (0)
+
+    #define SK_PLACEMENT_NEW_ARGS(result, classname, storage, storagesize, args)        \
+    do {                                                                                \
+        if (storagesize)                                                                \
+        {                                                                               \
+            SkASSERT(storageSize >= sizeof(classname));                                 \
+            result = new(storage) classname args;                                       \
+        }                                                                               \
+        else                                                                            \
+            result = SkNEW_ARGS(classname, args);                                       \
+    } while (0)
+#endif
+
+////////////////////////////////////////////////////////////////////////////////
+
+template <class T> class SkAutoTPlacementDelete {
+public:
+    SkAutoTPlacementDelete(T* obj, void* storage) : fObj(obj), fStorage(storage)
+    {
+    }
+    ~SkAutoTPlacementDelete()
+    {
+        if (fObj)
+        {
+            if (fObj == fStorage)
+                fObj->~T();
+            else
+                delete fObj;
+        }
+    }
+    T* detach()
+    {
+        T*  obj = fObj;
+        fObj = NULL;
+        return obj;
+    }
+private:
+    T*      fObj;
+    void*   fStorage;
+};
+
+#endif