1 /*

     2 * Copyright (c) 2006-2007 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:   ?Description

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __HUIREALPOINT_H__

    21 #define __HUIREALPOINT_H__

    22 

    23 

    24 #include <uiacceltk/HuiRealSize.h>

    25 

    26 

    27 /**

    28  * Point composed of two floating-point components.

    29  */

    30 NONSHARABLE_CLASS(THuiRealPoint)

    31     {

    32 public:

    33     inline THuiRealPoint() 

    34             : iX(0), iY(0) 

    35         {

    36         }

    37 

    38     inline THuiRealPoint(TReal32 aX, TReal32 aY) 

    39             : iX(aX), iY(aY) 

    40         {

    41         }

    42         

    43     inline THuiRealPoint(const TPoint& aPoint)

    44             : iX((TReal32)aPoint.iX), iY((TReal32)aPoint.iY)

    45         {

    46         }

    47 

    48     inline THuiRealSize AsSize() const

    49         {

    50         return THuiRealSize(iX, iY);

    51         }

    52         

    53     inline operator TPoint() const

    54         {

    55         // Here is a rounding error!

    56         return TPoint((TInt)iX, (TInt)iY);

    57         }

    58 

    59     inline TPoint Round() const

    60         {

    61         TPoint rounded;

    62         rounded.iX = HUI_ROUND_FLOAT_TO_INT( iX );

    63         rounded.iY = HUI_ROUND_FLOAT_TO_INT( iY );

    64         return rounded; 

    65         }

    66 

    67     inline THuiRealPoint operator + (const THuiRealPoint& aOther) const

    68         {

    69         return THuiRealPoint(iX + aOther.iX, iY + aOther.iY);

    70         }

    71 

    72     inline THuiRealPoint& operator += (const THuiRealPoint& aOther) 

    73         {

    74         iX += aOther.iX;

    75         iY += aOther.iY;

    76         return *this;

    77         }

    78 

    79     inline THuiRealPoint& operator -= (const THuiRealPoint& aOther) 

    80         {

    81         iX -= aOther.iX;

    82         iY -= aOther.iY;

    83         return *this;

    84         }

    85         

    86     inline THuiRealPoint operator - () const

    87         {

    88         return THuiRealPoint(-iX, -iY);

    89         }

    90 

    91     inline THuiRealPoint operator - (const THuiRealPoint& aOther) const

    92         {

    93         return THuiRealPoint(iX - aOther.iX, iY - aOther.iY);

    94         }

    95         

    96     inline THuiRealPoint operator * (TReal32 aFactor) const

    97         {

    98         return THuiRealPoint(iX * aFactor, iY * aFactor);

    99         }

   100             

   101     inline THuiRealPoint Abs() const

   102         {

   103         return THuiRealPoint(iX<0?-iX:iX, iY<0?-iY:iY);

   104         }

   105 

   106 public:    

   107 

   108     /** X coordinate. */    

   109     TReal32 iX;

   110 

   111     /** Y coordinate. */

   112     TReal32 iY;

   113     

   114     };

   115 

   116 #endif // __HUIREALPOINT_H__