Added basic image sequencing

include/osg/Image

@@ -18,6 +18,7 @@
 #include <osg/Vec2>
 #include <osg/Vec3>
 #include <osg/Vec4>
+#include <osg/FrameStamp>
 
 #include <string>
 #include <vector>
@@ -293,6 +294,8 @@ class OSG_EXPORT Image : public Object
 
         /** Get the const PixelBufferObject.*/ 
         const PixelBufferObject* getPixelBufferObject() const { return _bufferObject.get(); }
+       
+        virtual void update(const osg::FrameStamp* fs) {}
         
     protected :
 

include/osg/ImageSequence

@@ -58,19 +58,23 @@ class OSG_EXPORT ImageSequence : public ImageStream
 
         void addImage(osg::Image* image, double duration = 0.040);
 
-        virtual void update(osg::FrameStamp* fs);
+        virtual void update(const osg::FrameStamp* fs);
 
     protected:
 
         virtual ~ImageSequence() {}
         
-        double              _referenceTime;
-        double              _timeMultiplier;
+        void setImageToChild(const osg::Image* image);
+
+        double                          _referenceTime;
+        double                          _timeMultiplier;
         
-        
-        OpenThreads::Mutex          _mutex;
-        FileNameDurationSequence    _fileNameDurationSequence;
-        ImageDurationSequence       _imageDuationSequence;
+        OpenThreads::Mutex              _mutex;
+        FileNameDurationSequence        _fileNameDurationSequence;
+        ImageDurationSequence           _imageDuationSequence;
+
+        ImageDurationSequence::iterator _imageIterator;
+        double                          _imageIteratorTime;
         
         
 };

include/osg/ImageStream

@@ -15,7 +15,6 @@
 #define OSG_IMAGESTREAM 1
 
 #include <osg/Image>
-#include <osg/FrameStamp>
 
 namespace osg {
 
@@ -79,7 +78,6 @@ class OSG_EXPORT ImageStream : public Image
         virtual void setVolume(float) {}
         virtual float getVolume() const { return 0.0f; }
         
-        virtual void update(osg::FrameStamp* fs) {}
 
     protected:
         virtual void applyLoopingMode() {}