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:   Timed value class

    15 *

    16 */

    17 

    18 

    19 #include "alf/alftimedvalue.h"

    20 #include "alf/alfutil.h"

    21 

    22 EXPORT_C TAlfTimedValue::TAlfTimedValue()

    23     :iValueNow(0),

    24     iValueTarget(0),

    25     iTimeToTarget(0),

    26     iInterpolationStyle(0),

    27     iMappingFunctionIdentifier(0),

    28     iSpeed(0),

    29     iFlags(EAlfValueFlagsNone)

    30     {

    31     }

    32 

    33 EXPORT_C TAlfTimedValue::TAlfTimedValue(TReal32 aInitialValue) __SOFTFP

    34     :iValueNow(aInitialValue),

    35     iValueTarget(0),

    36     iTimeToTarget(0),

    37     iInterpolationStyle(0),

    38     iMappingFunctionIdentifier(0),

    39     iSpeed(0),

    40     iFlags(EAlfValueNowChanged)

    41     {

    42     }

    43 

    44 EXPORT_C TAlfTimedValue::TAlfTimedValue(TReal32 aTargetValue, TInt aTime) __SOFTFP

    45     :iValueNow(0),

    46     iValueTarget(aTargetValue),

    47     iTimeToTarget(aTime),

    48     iInterpolationStyle(0),

    49     iMappingFunctionIdentifier(0),

    50     iSpeed(0),

    51     iFlags(EAlfValueTargetChanged)

    52     {        

    53     }

    54     

    55     

    56 EXPORT_C void TAlfTimedValue::SetValueNow(const TReal32& aValueNow)

    57     {

    58     iFlags |= EAlfValueNowChanged;    

    59     iValueNow = aValueNow;

    60     }

    61     

    62 EXPORT_C void TAlfTimedValue::SetTarget(const TReal32& aTarget, TInt aTime)

    63     {

    64     iFlags |= EAlfValueTargetChanged;    

    65     iValueTarget = aTarget;

    66     iTimeToTarget = aTime;

    67     }

    68 

    69 EXPORT_C void TAlfTimedValue::SetTargetWithSpeed(TReal32 aValue, TReal32 aUnitsPerSecond) __SOFTFP

    70     {

    71     iFlags |= EAlfValueTargetChanged;    

    72     iFlags |= EAlfSpeedChanged;    

    73     iValueTarget = aValue;

    74     iSpeed = aUnitsPerSecond;    

    75     }

    76 

    77 EXPORT_C TReal32 TAlfTimedValue::Speed() const __SOFTFP

    78     {

    79     return iSpeed;    

    80     }

    81 

    82 

    83 EXPORT_C void TAlfTimedValue::SetStyle(TAlfInterpolationStyle aStyle)

    84     {

    85     iFlags |= EAlfInterpolationStyleChanged;    

    86     iInterpolationStyle = aStyle;

    87     }

    88 

    89 EXPORT_C TAlfInterpolationStyle TAlfTimedValue::Style()

    90     {

    91     return TAlfInterpolationStyle(iInterpolationStyle);        

    92     }

    93     

    94 EXPORT_C void TAlfTimedValue::SetMappingFunctionIdentifier(TInt aIdentifier) 

    95     {

    96     iFlags |= EAlfMappingFunctionChanged;    

    97     iMappingFunctionIdentifier = aIdentifier;

    98     }

    99 

   100 // Todo: real use case for inline perhaps    

   101 EXPORT_C TReal32 TAlfTimedValue::ValueNow() const __SOFTFP

   102     {

   103     return iValueNow;

   104     }

   105 

   106 // Todo: real use case for inline perhaps        

   107 EXPORT_C TReal32 TAlfTimedValue::Target() const __SOFTFP

   108     {

   109     return iValueTarget;    

   110     }

   111 // Todo: real use case for inline perhaps        

   112 EXPORT_C TInt TAlfTimedValue::TimeToTargetinMilliSeconds() const

   113     {

   114     return iTimeToTarget;

   115     }

   116 

   117 EXPORT_C TInt& TAlfTimedValue::Flags()

   118     {

   119     return iFlags;

   120     }

   121 

   122 EXPORT_C TInt TAlfTimedValue::MappingFunctionIdentifier() const 

   123     {

   124     if (iFlags&EAlfMappingFunctionChanged)

   125         {

   126         return iMappingFunctionIdentifier;

   127         }

   128         

   129     return KErrNotFound;

   130     }

   131 

   132 

   133 

   134 EXPORT_C TAlfTimedPoint::TAlfTimedPoint()

   135     {}

   136 

   137 EXPORT_C TAlfTimedPoint::TAlfTimedPoint(TReal32 aX, TReal32 aY) __SOFTFP

   138     {

   139     iX = TAlfTimedValue(aX);

   140     iY = TAlfTimedValue(aY);    

   141     }

   142 

   143 EXPORT_C TAlfTimedPoint::TAlfTimedPoint(TReal32 aXTarget, TReal32 aYTarget, TInt aTransitionTime) __SOFTFP

   144     {

   145     iX = TAlfTimedValue(aXTarget, aTransitionTime);

   146     iY = TAlfTimedValue(aYTarget, aTransitionTime);            

   147     }

   148     

   149 

   150 EXPORT_C void TAlfTimedPoint::SetMappingFunctionIdentifier(TInt aIdentifier)

   151     {

   152     // Both use the same function, but the components are different.

   153     iX.SetMappingFunctionIdentifier(aIdentifier);

   154     iY.SetMappingFunctionIdentifier(aIdentifier);        

   155     }

   156 

   157 EXPORT_C void TAlfTimedPoint::SetStyle(TAlfInterpolationStyle aStyle)

   158     {

   159     iX.SetStyle(aStyle);

   160     iY.SetStyle(aStyle);        

   161     }

   162 

   163 EXPORT_C void TAlfTimedPoint::SetTarget(const TAlfRealPoint& aPoint, TInt aTransitionTime)

   164     {

   165     iX.SetTarget(aPoint.iX, aTransitionTime);

   166     iY.SetTarget(aPoint.iY, aTransitionTime);                

   167     }

   168     

   169 EXPORT_C void TAlfTimedPoint::SetTarget(TReal32 aValue, TInt aTransitionTime) __SOFTFP

   170     {

   171     iX.SetTarget(aValue, aTransitionTime);

   172     iY.SetTarget(aValue, aTransitionTime);                        

   173     }

   174 

   175 EXPORT_C void TAlfTimedPoint::SetTargetWithSpeed(const TAlfRealPoint& aPoint, TReal32 aUnitsPerSecond) __SOFTFP

   176     {

   177     iX.SetTargetWithSpeed(aPoint.iX, aUnitsPerSecond);

   178     iY.SetTargetWithSpeed(aPoint.iY, aUnitsPerSecond);                        

   179     }

   180   

   181 EXPORT_C void TAlfTimedPoint::SetTargetWithSpeed(TReal32 aValue, TReal32 aUnitsPerSecond) __SOFTFP

   182     {

   183     iX.SetTargetWithSpeed(aValue, aUnitsPerSecond);

   184     iY.SetTargetWithSpeed(aValue, aUnitsPerSecond);                                

   185     }

   186     

   187 EXPORT_C TPoint TAlfTimedPoint::IntValueNow() const

   188     {

   189     // Round the float returned by ValueNow to the closest integer.

   190     return TPoint(AlfUtil::RoundFloatToInt(iX.ValueNow()), AlfUtil::RoundFloatToInt(iY.ValueNow()));

   191     }

   192 

   193 EXPORT_C TPoint TAlfTimedPoint::IntTarget() const

   194     {

   195     // Round the float returned by ValueNow to the closest integer.

   196     return TPoint(AlfUtil::RoundFloatToInt(iX.Target()), AlfUtil::RoundFloatToInt(iY.Target()));

   197     }

   198 

   199 

   200 

   201 // End of file

   202