Added initial cut at support for osgVolume in .ive format.

2009-05-05 18:34:44 +00:00
parent 1515b8d357
commit 2b09b0dffa
19 changed files with 821 additions and 6 deletions
--- a/src/osgPlugins/ive/VolumeImageLayer.cpp
+++ b/src/osgPlugins/ive/VolumeImageLayer.cpp
@@ -0,0 +1,72 @@
+/* -*-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 "VolumeImageLayer.h"
+#include "VolumeLayer.h"
+
+#include <osgDB/ReadFile>
+
+using namespace ive;
+
+void VolumeImageLayer::write(DataOutputStream* out)
+{
+    // Write Layer's identification.
+    out->writeInt(IVEVOLUMEIMAGELAYER);
+
+    // If the osg class is inherited by any other class we should also write this to file.
+    osgVolume::Layer*  layer = dynamic_cast<osgVolume::Layer*>(this);
+    if  (layer)
+        ((ive::VolumeLayer*)(layer))->write(out);
+    else
+        throw Exception("VolumeImageLayer::write(): Could not cast this osgVolume::ImageLayer to an osgVolume::Layer.");
+
+
+    IncludeImageMode imMode = out->getIncludeImageMode(getImage());
+
+    if (getFileName().empty() && imMode==IMAGE_REFERENCE_FILE) imMode = IMAGE_INCLUDE_DATA;
+
+    out->writeChar(imMode);
+    out->writeImage(imMode,getImage());
+
+}
+
+void VolumeImageLayer::read(DataInputStream* in)
+{
+    // Peek on Layer's identification.
+    int id = in->peekInt();
+    if (id != IVEVOLUMEIMAGELAYER)
+        throw Exception("VolumeImageLayer::read(): Expected ImageLayer 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::Layer*  layer = dynamic_cast<osgVolume::Layer*>(this);
+    if (layer)
+        ((ive::VolumeLayer*)(layer))->read(in);
+    else
+        throw Exception("ImageLayer::read(): Could not cast this osgVolume::Layer to an osg::Group.");
+
+    // Should we read image data from stream
+    IncludeImageMode includeImg = (IncludeImageMode)in->readChar();
+
+    if (includeImg==IMAGE_REFERENCE_FILE)
+    {
+        setFileName(in->readString());
+    }
+    else
+    {
+        setImage(in->readImage(includeImg));
+    }
+}