root/OpenSceneGraph/trunk/src/osgPlugins/ive/VolumeLayer.cpp @ 13041

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#include "Exception.h"
15#include "VolumeLayer.h"
16#include "VolumeLocator.h"
17#include "Object.h"
18
19#include "VolumeImageLayer.h"
20#include "VolumeCompositeLayer.h"
21
22#include <osgDB/ReadFile>
23
24using namespace ive;
25
26void VolumeLayer::write(DataOutputStream* out)
27{
28    // Write Layer's identification.
29    out->writeInt(IVEVOLUMELAYER);
30
31    // If the osg class is inherited by any other class we should also write this to file.
32    osg::Object*  object = dynamic_cast<osg::Object*>(this);
33    if (object)
34        ((ive::Object*)(object))->write(out);
35    else
36        out_THROW_EXCEPTION("VolumeLayer::write(): Could not cast this osgVolume::Layer to an osg::Object.");
37
38    out->writeVolumeLocator(getLocator());
39    out->writeVolumeProperty(getProperty());
40}
41
42void VolumeLayer::read(DataInputStream* in)
43{
44    // Peek on Layer's identification.
45    int id = in->peekInt();
46    if (id != IVEVOLUMELAYER)
47        in_THROW_EXCEPTION("VolumeLayer::read(): Expected Layer identification.");
48
49    // Read Layer's identification.
50    id = in->readInt();
51
52    // If the osg class is inherited by any other class we should also read this from file.
53    osg::Object*  object = dynamic_cast<osg::Object*>(this);
54    if(object)
55        ((ive::Object*)(object))->read(in);
56    else
57        in_THROW_EXCEPTION("VolumeLayer::read(): Could not cast this osgVolume::Layer to an osg::Object.");
58
59    setLocator(in->readVolumeLocator());
60    setProperty(in->readVolumeProperty());
61
62}
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