/[svn]/libgig/trunk/src/RIFF.cpp
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revision 1183 by persson, Sun May 13 10:34:29 2007 UTC revision 1184 by persson, Sun May 13 13:24:22 2007 UTC
# Line 1363  namespace RIFF { Line 1363  namespace RIFF {
1363       * Use this constructor if you want to create a new RIFF file completely       * Use this constructor if you want to create a new RIFF file completely
1364       * "from scratch". Note: there must be no empty chunks or empty list       * "from scratch". Note: there must be no empty chunks or empty list
1365       * chunks when trying to make the new RIFF file persistent with Save()!       * chunks when trying to make the new RIFF file persistent with Save()!
      * Note that this constructor will create a RIFX file on  
      * big-endian machines.  
1366       *       *
1367       * @param FileType - four-byte identifier of the RIFF file type       * @param FileType - four-byte identifier of the RIFF file type
1368       * @see AddSubChunk(), AddSubList()       * @see AddSubChunk(), AddSubList()
# Line 1381  namespace RIFF { Line 1379  namespace RIFF {
1379          ListType = FileType;          ListType = FileType;
1380      }      }
1381    
   
     /** @brief Create new RIFF file.  
      *  
      * Use this constructor if you want to create a new RIFF file  
      * completely "from scratch" and also want to specify  
      * endianess. Note: there must be no empty chunks or empty list  
      * chunks when trying to make the new RIFF file persistent with  
      * Save()!  
      *  
      * @param FileType - four-byte identifier of the RIFF file type  
      * @param Endian - endianess used in the new file. A value of  
      *                 endian_little will create a RIFF file,  
      *                 endian_big a RIFX file, endian_native will  
      *                 create a RIFF file on little-endian machines  
      *                 and RIFX on big-endian.  
      * @see AddSubChunk(), AddSubList()  
      */  
     File::File(uint32_t FileType, endian_t Endian) : List(this) {  
         #if defined(WIN32)  
         hFileRead = hFileWrite = INVALID_HANDLE_VALUE;  
         #else  
         hFileRead = hFileWrite = 0;  
         #endif  
         Mode = stream_mode_closed;  
         #if WORDS_BIGENDIAN  
         bEndianNative = Endian != endian_little;  
         #else  
         bEndianNative = Endian != endian_big;  
         #endif  
         ulStartPos = RIFF_HEADER_SIZE;  
         ListType = FileType;  
     }  
   
1382      /** @brief Load existing RIFF file.      /** @brief Load existing RIFF file.
1383       *       *
1384       * Loads an existing RIFF file with all its chunks.       * Loads an existing RIFF file with all its chunks.
# Line 1562  namespace RIFF { Line 1527  namespace RIFF {
1527          return false;          return false;
1528      }      }
1529    
1530        /** @brief Set the byte order to be used when saving.
1531         *
1532         * Set the byte order to be used in the file. A value of
1533         * endian_little will create a RIFF file, endian_big a RIFX file
1534         * and endian_native will create a RIFF file on little-endian
1535         * machines and RIFX on big-endian machines.
1536         *
1537         * @param Endian - endianess to use when file is saved.
1538         */
1539        void File::SetByteOrder(endian_t Endian) {
1540            #if WORDS_BIGENDIAN
1541            bEndianNative = Endian != endian_little;
1542            #else
1543            bEndianNative = Endian != endian_big;
1544            #endif
1545        }
1546    
1547      /** @brief Save changes to same file.      /** @brief Save changes to same file.
1548       *       *
1549       * Make all changes of all chunks persistent by writing them to the       * Make all changes of all chunks persistent by writing them to the
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