WhipExamples/ReadTwoBlocks.cpp

00001 //
00002 //  Copyright (c) 2006 by Autodesk, Inc.
00003 //
00004 //  By using this code, you are agreeing to the terms and conditions of
00005 //  the License Agreement included in the documentation for this code.
00006 //
00007 //  AUTODESK MAKES NO WARRANTIES, EXPRESS OR IMPLIED,
00008 //  AS TO THE CORRECTNESS OF THIS CODE OR ANY DERIVATIVE
00009 //  WORKS WHICH INCORPORATE IT.
00010 //
00011 //  AUTODESK PROVIDES THE CODE ON AN "AS-IS" BASIS
00012 //  AND EXPLICITLY DISCLAIMS ANY LIABILITY, INCLUDING
00013 //  CONSEQUENTIAL AND INCIDENTAL DAMAGES FOR ERRORS,
00014 //  OMISSIONS, AND OTHER PROBLEMS IN THE CODE.
00015 //
00016 //  Use, duplication, or disclosure by the U.S. Government is subject to
00017 //  restrictions set forth in FAR 52.227-19 (Commercial Computer Software
00018 //  Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) (Rights in Technical
00019 //  Data and Computer Software), as applicable.
00020 //
00021 
00022 #include "whiptk/whip_toolkit.h"
00023 #include "whiptk/w2d_class_factory.h"
00024 
00025 void ReadTwoBlocks()
00026 {
00027     WT_W2D_Class_Factory cf;
00028     WT_File *file1 = cf.Create_File(), *file2 = cf.Create_File(), *file = cf.Create_File();
00029     if (file == NULL)
00030         return;
00031     if (file1 == NULL)
00032         return;
00033     if (file2 == NULL)
00034         return;
00035 
00036     file1->set_filename("c:\\test1.dwf");
00037     file2->set_filename("c:\\test2.dwf");
00038     file->set_filename("c:\\test.dwf");
00039     file->set_file_mode(WT_File::Block_Read);
00040 
00041     file->open();
00042 
00043     WT_Directory directory = file->get_directory();
00044 
00045     if (directory.count() >= 2) 
00046     {
00047         WT_BlockRef *first, *second;
00048         first = (WT_BlockRef *) directory.get_head();
00049         second = (WT_BlockRef *) first->next();
00050         file->read_block(*file1, *first);
00051         file->read_block(*file2, *second);
00052     }
00053 
00054     file->close();
00055     
00056     cf.Destroy( file );
00057     cf.Destroy( file1 );
00058     cf.Destroy( file2 );
00059 }

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