1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbCore module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 

    26 #include "hbnvgicondata_p.h"

    27 

    28 HbNvgIconData::HbNvgIconData(uint length)

    29         : mNvgData(0),

    30         totalRead(0),

    31         readStream(0)

    32 {

    33     mNvgData = new QByteArray(NULL , length);

    34     Q_CHECK_PTR(mNvgData);

    35 }

    36 

    37 HbNvgIconData::HbNvgIconData(const QByteArray &buffer)

    38         : mNvgData(0),

    39         totalRead(0),

    40         readStream(0)

    41 {

    42     mNvgData = new QByteArray(buffer);

    43     Q_CHECK_PTR(mNvgData);

    44     dataSize = mNvgData->length();

    45     

    46     //set the reading pointers

    47     beginRead();

    48 }

    49 

    50 HbNvgIconData::~HbNvgIconData()

    51 {

    52     delete mNvgData;

    53 }

    54 

    55 int HbNvgIconData::encodeData(const void *data, quint32 length)

    56 {    

    57     mNvgData->append((const char*)data , length);

    58     return (int)HbNvgEngine::NvgErrNone; //in error case, exception will be thrown 

    59 }

    60 

    61 void HbNvgIconData::beginRead()

    62 {

    63     dataSize = mNvgData->length();

    64     totalRead = 0;

    65     readStream = (quint8 *)mNvgData->data();

    66 }

    67 

    68 void HbNvgIconData::endRead()

    69 {

    70 }

    71 

    72 #define STR_TO_OTHER_DIR(TOTYPE) do {\

    73                                 TOTYPE data = *(TOTYPE *)&readStream[totalRead];\

    74                                 totalRead += sizeof(TOTYPE);\

    75                                 return data;\

    76                            } while (0)

    77 

    78 

    79 #define STR_TO_OTHER_IDIR(TOTYPE) do {\

    80                                 TOTYPE data;\

    81                                 quint8 * dataPtr = (quint8 *)&data;\

    82                                 for (int i = 0; i < sizeof(TOTYPE); ++i)\

    83                                     {\

    84                                     dataPtr[i] = readStream[totalRead+i];\

    85                                     }\

    86                                 totalRead += sizeof(TOTYPE);\

    87                                 return data;\

    88                             } while (0)

    89 

    90 #define STR_TO_OTHER(TOTYPE) do {\

    91                                 checkOutOfBound(sizeof(TOTYPE));\

    92                                 if (reinterpret_cast<int>(&readStream[totalRead]) & (sizeof(TOTYPE) - 1))\

    93                                     {\

    94                                     STR_TO_OTHER_IDIR(TOTYPE);\

    95                                     }\

    96                                 else\

    97                                     {\

    98                                     STR_TO_OTHER_DIR(TOTYPE);\

    99                                     }\

   100                             } while (0)

   101 

   102 qint16 HbNvgIconData::readInt16()

   103 {

   104     STR_TO_OTHER(qint16);

   105 }

   106 

   107 qint32 HbNvgIconData::readInt32()

   108 {

   109     STR_TO_OTHER(qint32);

   110 }

   111 

   112 qint8 HbNvgIconData::readInt8()

   113 {

   114     STR_TO_OTHER_DIR(qint8);

   115 }

   116 

   117 float HbNvgIconData::readReal32()

   118 {

   119     STR_TO_OTHER(float);

   120 }

   121 

   122 qreal HbNvgIconData::readReal64()

   123 {

   124     checkOutOfBound(sizeof(qreal));

   125     STR_TO_OTHER(qreal);

   126 }

   127 

   128 void HbNvgIconData::read(quint8 *ptr, int length)

   129 {

   130 	checkOutOfBound(length);

   131     memcpy(ptr, &readStream[totalRead], length);

   132     totalRead += length;

   133 }

   134 

   135 void HbNvgIconData::skip(int length)

   136 {

   137     checkOutOfBound(length);

   138     totalRead += length;

   139 }