-#ifndef __DALI_INTERNAL_CONSTANTS_H__
-#define __DALI_INTERNAL_CONSTANTS_H__
+#ifndef DALI_INTERNAL_CONSTANTS_H
+#define DALI_INTERNAL_CONSTANTS_H
/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
*/
-// INTERNAL INCLUDES
-#include <dali/public-api/common/constants.h>
-
namespace Dali
{
-
namespace Internal
{
-
// Constants used by renderers and actors to determine if something is visible.
-extern const float FULLY_OPAQUE; ///< Alpha values must drop below this, before an object is considered to be transparent.
-extern const float FULLY_TRANSPARENT; ///< Alpha values must rise above this, before an object is considered to be visible.
+static constexpr float FULLY_OPAQUE(0.99f); ///< Alpha values must drop below this, before an object is considered to be transparent.
+static constexpr float FULLY_TRANSPARENT(0.01f); ///< Alpha values must rise above this, before an object is considered to be visible.
} // namespace Internal
} // namespace Dali
-
-#endif // __DALI_INTERNAL_CONSTANTS_H__
+#endif // DALI_INTERNAL_CONSTANTS_H