From Ulrich Hertlein, added support for TextureRectangle to .osg format.

src/osgPlugins/osg/TextureRectangle.cpp

@@ -0,0 +1,70 @@
+#include "osg/TextureRectangle"
+
+#include "osgDB/Registry"
+#include "osgDB/Input"
+#include "osgDB/Output"
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool TextureRectangle_readLocalData(Object& obj, Input& fr);
+bool TextureRectangle_writeLocalData(const Object& obj, Output& fw);
+
+bool TextureRectangle_matchWrapStr(const char* str,TextureRectangle::WrapMode& wrap);
+const char* TextureRectangle_getWrapStr(TextureRectangle::WrapMode wrap);
+bool TextureRectangle_matchFilterStr(const char* str,TextureRectangle::FilterMode& filter);
+const char* TextureRectangle_getFilterStr(TextureRectangle::FilterMode filter);
+bool TextureRectangle_matchInternalFormatModeStr(const char* str,TextureRectangle::InternalFormatMode& mode);
+const char* TextureRectangle_getInternalFormatModeStr(TextureRectangle::InternalFormatMode mode);
+bool TextureRectangle_matchInternalFormatStr(const char* str,int& value);
+const char* TextureRectangle_getInternalFormatStr(int value);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_TextureRectangleProxy
+(
+    new osg::TextureRectangle,
+    "TextureRectangle",
+    "Object StateAttribute TextureRectangle TextureBase",
+    &TextureRectangle_readLocalData,
+    &TextureRectangle_writeLocalData
+);
+
+bool TextureRectangle_readLocalData(Object& obj, Input& fr)
+{
+    bool iteratorAdvanced = false;
+
+    TextureRectangle& texture = static_cast<TextureRectangle&>(obj);
+
+    if (fr[0].matchWord("file") && fr[1].isString())
+    {
+        std::string filename = fr[1].getStr();
+        Image* image = fr.readImage(filename.c_str());
+        if (image)
+        {
+            // name will have already been set by the image plugin,
+            // but it will have absolute path, so will override it 
+            // here to keep the original name intact.
+            //image->setFileName(filename);
+            texture.setImage(image);
+        }
+        
+        fr += 2;
+        iteratorAdvanced = true;
+    }
+
+    return iteratorAdvanced;
+}
+
+
+bool TextureRectangle_writeLocalData(const Object& obj, Output& fw)
+{
+    const TextureRectangle& texture = static_cast<const TextureRectangle&>(obj);
+
+    if (texture.getImage() && !(texture.getImage()->getFileName().empty()))
+    {
+        fw.indent() << "file "<<fw.wrapString(fw.getFileNameForOutput(texture.getImage()->getFileName()))<< std::endl;
+    }
+
+    return true;
+}