OpenSceneGraph/src/osgPlugins/ive/VolumeSwitchProperty.cpp

56 lines
2.1 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include "Exception.h"
#include "VolumeSwitchProperty.h"
#include "VolumeCompositeProperty.h"
#include <osgDB/ReadFile>
using namespace ive;
void VolumeSwitchProperty::write(DataOutputStream* out)
{
// Write Layer's identification.
out->writeInt(IVEVOLUMESWITCHPROPERTY);
// If the osg class is inherited by any other class we should also write this to file.
osgVolume::CompositeProperty* cp = dynamic_cast<osgVolume::CompositeProperty*>(this);
if (cp)
((ive::VolumeCompositeProperty*)(cp))->write(out);
else
throw Exception("VolumeImageLayer::write(): Could not cast this osgVolume::SwitchProperty to an osgVolume::CompositeProperty.");
out->writeUInt(getActiveProperty());
}
void VolumeSwitchProperty::read(DataInputStream* in)
{
// Peek on Layer's identification.
int id = in->peekInt();
if (id != IVEVOLUMESWITCHPROPERTY)
throw Exception("VolumeSwitchProperty::read(): Expected CompositeProperty identification.");
// Read Layer's identification.
id = in->readInt();
// If the osg class is inherited by any other class we should also read this from file.
osgVolume::CompositeProperty* cp = dynamic_cast<osgVolume::CompositeProperty*>(this);
if (cp)
((ive::VolumeCompositeProperty*)(cp))->read(in);
else
throw Exception("VolumeImageLayer::read(): Could not cast this osgVolume::SwitchProperty to an osgVolume::CompositeProperty.");
setActiveProperty(in->readUInt());
}