imageeditorengine/ImageEditorUtils/src/BitField.cpp
changeset 1 edfc90759b9f
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0:57d4cdd99204 1:edfc90759b9f
       
     1 /*
       
     2 * Copyright (c) 2010 Ixonos Plc.
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the "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 * Ixonos Plc
       
    14 *
       
    15 * Description:  
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #include "BitField.h"
       
    21 
       
    22 //=============================================================================
       
    23 EXPORT_C TBitField::TBitField()
       
    24 {
       
    25 	Reset();
       
    26 }
       
    27 
       
    28 //=============================================================================
       
    29 EXPORT_C TBitField::~TBitField ()
       
    30 {
       
    31 
       
    32 }
       
    33 
       
    34 //=============================================================================
       
    35 EXPORT_C TBitField::TBitField (const TBitField & rhs)
       
    36 {
       
    37 	Mem::Copy ( iData, rhs.iData, (KSize >> 3) + 1 );
       
    38 }
       
    39 
       
    40 //=============================================================================
       
    41 EXPORT_C TBitField & TBitField::operator= (const TBitField & rhs)
       
    42 {
       
    43 	if ( this != &rhs )
       
    44 	{
       
    45 		Mem::Copy (iData, rhs.iData, (KSize >> 3) + 1);
       
    46 	}
       
    47 	return *this;
       
    48 }
       
    49 
       
    50 //=============================================================================
       
    51 EXPORT_C void TBitField::Reset ()
       
    52 {
       
    53 	Mem::FillZ (iData, (KSize >> 3) + 1);
       
    54 }
       
    55 
       
    56 //=============================================================================
       
    57 EXPORT_C void TBitField::SetBit (const TUint32 aIndex)
       
    58 {
       
    59 	if ( aIndex >= KSize)
       
    60 	{
       
    61 		User::Panic (KClassName, 21);
       
    62 	}
       
    63 	iData[aIndex >> 3] |= (0x1 << (aIndex & 0x7));
       
    64 }
       
    65 
       
    66 //=============================================================================
       
    67 EXPORT_C TInt TBitField::GetBit (const TUint32 aIndex) const
       
    68 {
       
    69 	if ( aIndex >= KSize)
       
    70 	{
       
    71 		User::Panic (KClassName, 21);
       
    72 	}
       
    73 	return ((iData[aIndex >> 3]) >> (aIndex & 0x7) & 0x1);
       
    74 }
       
    75 
       
    76 // End of File