/*

* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Transformable interface

*

*/

#ifndef __M3G_TRANSFORMABLE_H__

#define __M3G_TRANSFORMABLE_H__

/*!

 * \internal

 * \file

 * \brief Transformable interface

 */

#include "m3g_object.h"

/*----------------------------------------------------------------------

 * Class definition

 *--------------------------------------------------------------------*/

/*!

 * \internal

 * \brief Transformable class virtual functions

 *

 * \note This is currently empty, but may find use in the future, so

 * we're retaining it for the time being.

 */

typedef struct

{

	ObjectVFTable object;

} TransformableVFTable;

/*!

 * \internal

 * \brief Transformable object instance data

 */

struct M3GTransformableImpl

{

    Object object;

	Quat orientation;

	M3Gfloat sx, sy, sz;

	M3Gfloat tx, ty, tz;

	Matrix *matrix;

};

/* Sanity check; if this assert fires, check the compiler padding

 * settings */

M3G_CT_ASSERT(sizeof(Transformable) == sizeof(Object) + 44);

/*----------------------------------------------------------------------

 * Internal functions

 *--------------------------------------------------------------------*/

static void     m3gInitTransformable    (Transformable *tf, Interface *m3g, M3GClass classID);

static void     m3gDestroyTransformable (Object *obj);

static M3Gbool  m3gGetInverseCompositeTransform (M3GTransformable handle,

                                                 M3GMatrix *transform);

static M3Gbool  m3gTransformableIsCompatible    (M3Gint property);

static void     m3gTransformableUpdateProperty  (Object *self, M3Gint property, M3Gint valueSize, const M3Gfloat *value);

static M3Gbool  m3gTransformableDuplicate       (const Object *original, Object **clone, Object **pairs, M3Gint *numPairs);

static void m3gInvalidateTransformable(Transformable *self);

#endif /*__M3G_TRANSFORMABLE_H__*/