1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Gesture recognition utilities

    15 *

    16 */

    17 

    18 #ifndef _GESTURE_UTILS_H_

    19 #define _GESTURE_UTILS_H_

    20 

    21 #include <e32std.h>

    22 #include <gestureobserver.h>

    23 

    24 namespace GestureHelper

    25     {

    26       

    27     /**

    28      * @return the a rectange in which dragging will be ignored. Tolerance rect 

    29      *         represents a rectange within which any movement will not be considered

    30      *         intentional, but as accidental stylus movement.

    31      */

    32     TRect ToleranceRect( const TPoint& aCenterPoint ); 

    33     

    34     /**

    35      * @return the a rectange in which dragging will be ignored. Tolerance rect 

    36      *         represents a rectange within which any movement will not be considered

    37      *         as drag, This depends on the Axis.

    38      * For Example, any movement within a vertical strip at the point of touch down is

    39      *		if the interested Axis is Horizontal axis.

    40      */

    41     TRect ToleranceRect( const TPoint& aCenterPoint, MGestureEvent::TAxis aRelevantAxis );

    42 

    43     } // namespace GestureHelper

    44 

    45 #endif // _GESTURE_UTILS_H_