From Glenn Waldron, "As you may recall, we discussed adding ReaderWriter::readObject() overrides to all the image plugins in order to facilitate future archive support. Attached are the necessary modifications. I tested JPEG, but not all the others... the code is identical though. Note that the DDS plugin already contained the readObject() implementations."

src/osgPlugins/bmp/ReaderWriterBMP.cpp

@@ -354,6 +354,16 @@ class ReaderWriterBMP : public osgDB::ReaderWriter
             return pOsgImage;
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const Options* =NULL) const
         {
             return readBMPStream(fin);

src/osgPlugins/gif/ReaderWriterGIF.cpp

@@ -375,6 +375,16 @@ class ReaderWriterGIF : public osgDB::ReaderWriter
             return pOsgImage;
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const osgDB::ReaderWriter::Options* =NULL) const
         {
             return readGIFStream(fin);

src/osgPlugins/jpeg/ReaderWriterJPEG.cpp

@@ -784,6 +784,16 @@ class ReaderWriterJPEG : public osgDB::ReaderWriter
             return pOsgImage;
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const osgDB::ReaderWriter::Options* =NULL) const
         {
             return readJPGStream(fin);

src/osgPlugins/pic/ReaderWriterPIC.cpp

@@ -194,6 +194,11 @@ class ReaderWriterPIC : public osgDB::ReaderWriter
         virtual const char* className() const { return "PIC Image Reader"; }
         virtual bool acceptsExtension(const std::string& extension) const { return osgDB::equalCaseInsensitive(extension,"pic"); }
 
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(const std::string& file, const osgDB::ReaderWriter::Options* options) const
         {
             std::string ext = osgDB::getLowerCaseFileExtension(file);

src/osgPlugins/png/ReaderWriterPNG.cpp

@@ -281,6 +281,16 @@ class ReaderWriterPNG : public osgDB::ReaderWriter
             return Z_DEFAULT_COMPRESSION;
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const Options* =NULL) const
         {
             return readPNGStream(fin);

src/osgPlugins/rgb/ReaderWriterRGB.cpp

@@ -497,6 +497,16 @@ class ReaderWriterRGB : public osgDB::ReaderWriter
             return image;
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const osgDB::ReaderWriter::Options* =NULL) const
         {
             return readRGBStream(fin);

src/osgPlugins/tga/ReaderWriterTGA.cpp

@@ -507,6 +507,16 @@ class ReaderWriterTGA : public osgDB::ReaderWriter
 
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const Options* =NULL) const
         {
             return readTGAStream(fin);

src/osgPlugins/tiff/ReaderWriterTIFF.cpp

@@ -751,6 +751,16 @@ class ReaderWriterTIFF : public osgDB::ReaderWriter
             return WriteResult::FILE_SAVED;
         }
 
+        virtual ReadResult readObject(std::istream& fin,const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(fin, options);
+        }
+
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
         virtual ReadResult readImage(std::istream& fin,const osgDB::ReaderWriter::Options* =NULL) const
         {
             return readTIFStream(fin);