Panda3D

iffGenericChunk.cxx

00001 // Filename: iffGenericChunk.cxx
00002 // Created by:  drose (23Apr01)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #include "iffGenericChunk.h"
00016 #include "iffInputFile.h"
00017 
00018 #include "indent.h"
00019 
00020 TypeHandle IffGenericChunk::_type_handle;
00021 
00022 
00023 ////////////////////////////////////////////////////////////////////
00024 //     Function: IffGenericChunk::read_iff
00025 //       Access: Public, Virtual
00026 //  Description: Reads the data of the chunk in from the given input
00027 //               file, if possible.  The ID and length of the chunk
00028 //               have already been read.  stop_at is the byte position
00029 //               of the file to stop at (based on the current position
00030 //               at in->get_bytes_read()).  Returns true on success,
00031 //               false otherwise.
00032 ////////////////////////////////////////////////////////////////////
00033 bool IffGenericChunk::
00034 read_iff(IffInputFile *in, size_t stop_at) {
00035   size_t length = stop_at - in->get_bytes_read();
00036   bool result = in->read_bytes(_data, length);
00037   in->align();
00038   return result;
00039 }
00040 
00041 ////////////////////////////////////////////////////////////////////
00042 //     Function: IffGenericChunk::write
00043 //       Access: Public, Virtual
00044 //  Description:
00045 ////////////////////////////////////////////////////////////////////
00046 void IffGenericChunk::
00047 write(ostream &out, int indent_level) const {
00048   indent(out, indent_level)
00049     << get_id() << " { " << _data.get_length() << " bytes }\n";
00050 }
00051 
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