From 51403143bd552ab19b7077aadb14904b7a42e20b Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 29 Jan 2009 20:34:22 +0000
Subject: [PATCH] Added support for osgVolume::Property classes

---
 src/osgPlugins/osgVolume/CMakeLists.txt       |  4 +
 .../osgVolume/CompositeProperty.cpp           | 60 +++++++++++++
 src/osgPlugins/osgVolume/ImageLayer.cpp       | 11 +++
 src/osgPlugins/osgVolume/Property.cpp         | 54 +++++++++++
 src/osgPlugins/osgVolume/ScalarProperty.cpp   | 89 +++++++++++++++++++
 src/osgPlugins/osgVolume/SwitchProperty.cpp   | 52 +++++++++++
 6 files changed, 270 insertions(+)
 create mode 100644 src/osgPlugins/osgVolume/CompositeProperty.cpp
 create mode 100644 src/osgPlugins/osgVolume/Property.cpp
 create mode 100644 src/osgPlugins/osgVolume/ScalarProperty.cpp
 create mode 100644 src/osgPlugins/osgVolume/SwitchProperty.cpp

diff --git a/src/osgPlugins/osgVolume/CMakeLists.txt b/src/osgPlugins/osgVolume/CMakeLists.txt
index c5699210f..f757445d5 100644
--- a/src/osgPlugins/osgVolume/CMakeLists.txt
+++ b/src/osgPlugins/osgVolume/CMakeLists.txt
@@ -6,6 +6,10 @@ SET(TARGET_SRC
     VolumeTile.cpp
     RayTracedTechnique.cpp
     FixedFunctionTechnique.cpp
+    Property.cpp
+    CompositeProperty.cpp
+    SwitchProperty.cpp
+    ScalarProperty.cpp
 )
 
 SET(TARGET_ADDED_LIBRARIES osgVolume )
diff --git a/src/osgPlugins/osgVolume/CompositeProperty.cpp b/src/osgPlugins/osgVolume/CompositeProperty.cpp
new file mode 100644
index 000000000..f11f08759
--- /dev/null
+++ b/src/osgPlugins/osgVolume/CompositeProperty.cpp
@@ -0,0 +1,60 @@
+#include <osgVolume/Property>
+
+#include <iostream>
+#include <string>
+
+#include <osg/Vec3>
+#include <osg/Vec4>
+#include <osg/io_utils>
+
+#include <osgDB/ReadFile>
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+#include <osgDB/ParameterOutput>
+
+bool CompositeProperty_readLocalData(osg::Object &obj, osgDB::Input &fr);
+bool CompositeProperty_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
+
+osgDB::RegisterDotOsgWrapperProxy CompositeProperty_Proxy
+(
+    new osgVolume::CompositeProperty,
+    "CompositeProperty",
+    "Object CompositeProperty",
+    CompositeProperty_readLocalData,
+    CompositeProperty_writeLocalData
+);
+
+
+bool CompositeProperty_readLocalData(osg::Object& obj, osgDB::Input &fr)
+{
+    osgVolume::CompositeProperty& cp = static_cast<osgVolume::CompositeProperty&>(obj);
+
+    bool itrAdvanced = false;
+    
+    osg::ref_ptr<osg::Object> readObject;    
+    do
+    {
+        readObject = fr.readObjectOfType(osgDB::type_wrapper<osgVolume::Property>());
+        if (readObject.valid()) itrAdvanced = true;
+        
+        osgVolume::Property* property = dynamic_cast<osgVolume::Property*>(readObject.get());
+        if (property) cp.addProperty(property);
+        
+    } while (readObject.valid());
+
+    return itrAdvanced;
+}
+
+bool CompositeProperty_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
+{
+    const osgVolume::CompositeProperty& cp = static_cast<const osgVolume::CompositeProperty&>(obj);
+
+
+    for(unsigned int i=0; i<cp.getNumProperties(); ++i)
+    {
+        fw.writeObject(*cp.getProperty(i));
+    }
+
+    return true;
+}
diff --git a/src/osgPlugins/osgVolume/ImageLayer.cpp b/src/osgPlugins/osgVolume/ImageLayer.cpp
index 71cd4904b..93b8ea4d1 100644
--- a/src/osgPlugins/osgVolume/ImageLayer.cpp
+++ b/src/osgPlugins/osgVolume/ImageLayer.cpp
@@ -35,6 +35,12 @@ bool ImageLayer_readLocalData(osg::Object& obj, osgDB::Input &fr)
 
     bool itrAdvanced = false;
     
+    osg::ref_ptr<osg::Object> readObject = fr.readObjectOfType(osgDB::type_wrapper<osgVolume::Property>());
+    if (readObject.valid()) itrAdvanced = true;
+
+    osgVolume::Property* property = dynamic_cast<osgVolume::Property*>(readObject.get());
+    if (property) layer.addProperty(property);
+
     if (fr.matchSequence("file %w") || fr.matchSequence("file %s"))
     {
         std::string filename = fr[1].getStr();
@@ -87,6 +93,11 @@ bool ImageLayer_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
 {
     const osgVolume::ImageLayer& layer = static_cast<const osgVolume::ImageLayer&>(obj);
     
+    if (layer.getProperty())
+    {
+        fw.writeObject(*layer.getProperty());
+    }
+
     if (!layer.getFileName().empty())
     {
         fw.indent()<<"file "<< layer.getFileName() << std::endl;
diff --git a/src/osgPlugins/osgVolume/Property.cpp b/src/osgPlugins/osgVolume/Property.cpp
new file mode 100644
index 000000000..83d83ef45
--- /dev/null
+++ b/src/osgPlugins/osgVolume/Property.cpp
@@ -0,0 +1,54 @@
+#include <osgVolume/Property>
+
+#include <iostream>
+#include <string>
+
+#include <osg/Vec3>
+#include <osg/Vec4>
+#include <osg/io_utils>
+
+#include <osgDB/ReadFile>
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+#include <osgDB/ParameterOutput>
+
+bool Property_readLocalData(osg::Object &obj, osgDB::Input &fr);
+bool Property_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
+
+osgDB::RegisterDotOsgWrapperProxy Property_Proxy
+(
+    new osgVolume::Property,
+    "Property",
+    "Object Property",
+    Property_readLocalData,
+    Property_writeLocalData
+);
+
+osgDB::RegisterDotOsgWrapperProxy MaximumImageProjectionProperty_Proxy
+(
+    new osgVolume::MaximumIntensityProjectionProperty,
+    "MaximumIntensityProjectionProperty",
+    "Object MaximumIntensityProjectionProperty",
+    Property_readLocalData,
+    Property_writeLocalData
+);
+
+osgDB::RegisterDotOsgWrapperProxy LightingProperty_Proxy
+(
+    new osgVolume::LightingProperty,
+    "LightingProperty",
+    "Object LightingProperty",
+    Property_readLocalData,
+    Property_writeLocalData
+);
+
+bool Property_readLocalData(osg::Object& obj, osgDB::Input &fr)
+{
+    return false;
+}
+
+bool Property_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
+{
+    return true;
+}
diff --git a/src/osgPlugins/osgVolume/ScalarProperty.cpp b/src/osgPlugins/osgVolume/ScalarProperty.cpp
new file mode 100644
index 000000000..c60c73173
--- /dev/null
+++ b/src/osgPlugins/osgVolume/ScalarProperty.cpp
@@ -0,0 +1,89 @@
+#include <osgVolume/Property>
+
+#include <iostream>
+#include <string>
+
+#include <osg/Vec3>
+#include <osg/Vec4>
+#include <osg/io_utils>
+
+#include <osgDB/ReadFile>
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+#include <osgDB/ParameterOutput>
+
+bool ScalarProperty_readLocalData(osg::Object &obj, osgDB::Input &fr);
+bool ScalarProperty_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
+
+osgDB::RegisterDotOsgWrapperProxy ScalarProperty_Proxy
+(
+    0,
+    "ScalarProperty",
+    "Object ScalarProperty",
+    ScalarProperty_readLocalData,
+    ScalarProperty_writeLocalData
+);
+
+osgDB::RegisterDotOsgWrapperProxy IsoSurfaceProperty_Proxy
+(
+    new osgVolume::IsoSurfaceProperty,
+    "IsoSurfaceProperty",
+    "Object ScalarProperty",
+    ScalarProperty_readLocalData,
+    ScalarProperty_writeLocalData
+);
+
+osgDB::RegisterDotOsgWrapperProxy AlphaFuncProperty_Proxy
+(
+    new osgVolume::AlphaFuncProperty,
+    "AlphaFuncProperty",
+    "Object AlphaFuncProperty",
+    ScalarProperty_readLocalData,
+    ScalarProperty_writeLocalData
+);
+
+osgDB::RegisterDotOsgWrapperProxy SampleDensityProperty_Proxy
+(
+    new osgVolume::SampleDensityProperty,
+    "SampleDensityProperty",
+    "Object SampleDensityProperty",
+    ScalarProperty_readLocalData,
+    ScalarProperty_writeLocalData
+);
+
+osgDB::RegisterDotOsgWrapperProxy TransparencyProperty_Proxy
+(
+    new osgVolume::TransparencyProperty,
+    "TransparencyProperty",
+    "Object TransparencyProperty",
+    ScalarProperty_readLocalData,
+    ScalarProperty_writeLocalData
+);
+
+
+
+bool ScalarProperty_readLocalData(osg::Object& obj, osgDB::Input &fr)
+{
+    osgVolume::ScalarProperty& sp = static_cast<osgVolume::ScalarProperty&>(obj);
+
+    bool itrAdvanced = false;
+
+    float value=0; 
+    if (fr.read("value",value))
+    {
+        itrAdvanced = true;
+        sp.setValue(value);
+    }
+
+    return itrAdvanced;
+}
+
+bool ScalarProperty_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
+{
+    const osgVolume::ScalarProperty& sp = static_cast<const osgVolume::ScalarProperty&>(obj);
+
+    fw.indent()<<"value "<<sp.getValue()<<std::endl;
+
+    return true;
+}
diff --git a/src/osgPlugins/osgVolume/SwitchProperty.cpp b/src/osgPlugins/osgVolume/SwitchProperty.cpp
new file mode 100644
index 000000000..9ced92312
--- /dev/null
+++ b/src/osgPlugins/osgVolume/SwitchProperty.cpp
@@ -0,0 +1,52 @@
+#include <osgVolume/Property>
+
+#include <iostream>
+#include <string>
+
+#include <osg/Vec3>
+#include <osg/Vec4>
+#include <osg/io_utils>
+
+#include <osgDB/ReadFile>
+#include <osgDB/Registry>
+#include <osgDB/Input>
+#include <osgDB/Output>
+#include <osgDB/ParameterOutput>
+
+bool SwitchProperty_readLocalData(osg::Object &obj, osgDB::Input &fr);
+bool SwitchProperty_writeLocalData(const osg::Object &obj, osgDB::Output &fw);
+
+osgDB::RegisterDotOsgWrapperProxy SwitchProperty_Proxy
+(
+    new osgVolume::SwitchProperty,
+    "SwitchProperty",
+    "Object SwitchProperty CompositeProperty",
+    SwitchProperty_readLocalData,
+    SwitchProperty_writeLocalData
+);
+
+
+bool SwitchProperty_readLocalData(osg::Object& obj, osgDB::Input &fr)
+{
+    osgVolume::SwitchProperty& sp = static_cast<osgVolume::SwitchProperty&>(obj);
+
+    bool itrAdvanced = false;
+
+    int value=0; 
+    if (fr.read("activeProperty",value))
+    {
+        itrAdvanced = true;
+        sp.setActiveProperty(value);
+    }
+
+    return itrAdvanced;
+}
+
+bool SwitchProperty_writeLocalData(const osg::Object& obj, osgDB::Output& fw)
+{
+    const osgVolume::SwitchProperty& sp = static_cast<const osgVolume::SwitchProperty&>(obj);
+
+    fw.indent()<<"activeProperty "<<sp.getActiveProperty()<<std::endl;
+
+    return true;
+}