From Nikolaus Hanekamp, added support for osg::Multisample

src/osgPlugins/ive/Multisample.cpp

@@ -0,0 +1,57 @@
+/**********************************************************************
+ *
+ *    FILE:            Multisample.cpp
+ *
+ *    DESCRIPTION:    Read/Write osg::Multisample in binary format to disk.
+ *
+ *    CREATED BY:     Nikolaus Hanekamp
+ *                    
+ *
+ *    HISTORY:        Created 15.06.2007
+ *
+ **********************************************************************/
+
+#include "Exception.h"
+#include "Multisample.h"
+#include "Object.h"
+
+using namespace ive;
+
+void Multisample::write(DataOutputStream* out){
+    // Write CullFace's identification.
+    out->writeInt(IVEMULTISAMPLE);
+    // If the osg class is inherited by any other class we should also write this to file.
+    osg::Object*  obj = dynamic_cast<osg::Object*>(this);
+    if(obj){
+        ((ive::Object*)(obj))->write(out);
+    }
+    else
+        throw Exception("Multisample::write(): Could not cast this osg::Multisample to an osg::Object.");
+    // Write Multisample's properties.
+    out->writeFloat(getCoverage());
+    out->writeBool(getInvert());
+    out->writeInt(getHint());
+}
+
+void Multisample::read(DataInputStream* in){
+    // Peek on Multisample's identification.
+    int id = in->peekInt();
+    if(id == IVEMULTISAMPLE){
+        // Read Multisample's identification.
+        id = in->readInt();
+        // If the osg class is inherited by any other class we should also read this from file.
+        osg::Object*  obj = dynamic_cast<osg::Object*>(this);
+        if(obj){
+            ((ive::Object*)(obj))->read(in);
+        }
+        else
+            throw Exception("Multisample::read(): Could not cast this osg::Multisample to an osg::Object.");
+        // Read Multisample's properties
+        setCoverage(in->readFloat());
+        setInvert(in->readBool());
+        setHint((Mode) in->readInt());
+    }
+    else{
+        throw Exception("Multisample::read(): Expected Multisample identification.");
+    }
+}