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1 /* |
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2 * Copyright (c) 2003, 2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Basic utilities to handle conversion and object safe deletion. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef __JP2KIMAGEUTILS_INL__ |
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20 #define __JP2KIMAGEUTILS_INL__ |
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21 |
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22 // ============================ MEMBER FUNCTIONS =============================== |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // PtrReadUtil::ReadBigEndianUint16 |
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26 // Reads big endian value from given buffer. |
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27 // (other items were commented in a header). |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 inline TUint16 PtrReadUtil::ReadBigEndianUint16( const TUint8* aPtr ) |
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31 { |
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32 return TUint16( ( aPtr[0] << 8 ) | aPtr[1] ); |
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33 } |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // PtrReadUtil::ReadBigEndianUint32 |
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37 // Reads big endian value from given buffer. |
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38 // (other items were commented in a header). |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 inline TUint32 PtrReadUtil::ReadBigEndianUint32( const TUint8* aPtr ) |
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42 { |
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43 return TUint32( ( aPtr[0] << 24 ) | ( aPtr[1] << 16 ) | ( aPtr[2] << 8 ) | aPtr[3] ); |
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44 } |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // PtrReadUtil::ReadBigEndianUint16Inc |
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48 // Reads big endian value from given buffer and increments pointer. |
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49 // (other items were commented in a header). |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 inline TUint16 PtrReadUtil::ReadBigEndianUint16Inc( const TUint8*& aPtr ) |
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53 { |
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54 TUint16 result = ReadBigEndianUint16( aPtr ); |
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55 aPtr += 2; |
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56 return result; |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // PtrReadUtil::ReadBigEndianUint32Inc |
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61 // Reads big endian value from given buffer and increments pointer. |
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62 // (other items were commented in a header). |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 inline TUint32 PtrReadUtil::ReadBigEndianUint32Inc( const TUint8*& aPtr ) |
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66 { |
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67 TUint32 result = ReadBigEndianUint32( aPtr ); |
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68 aPtr += 4; |
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69 return result; |
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70 } |
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71 |
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72 #endif |