1 #ifndef IMAGE_OBSERVER_I_H
2 #define IMAGE_OBSERVER_I_H
4 #include "envGLImage.h"
6 /*----------------------------------------------------------------------*\
8 \*---------------------------------------------------------------------*/
10 /*--------------------------------------*\
12 \*-------------------------------------*/
14 class CBI_GLIMAGE ImageObserver_I
17 /*--------------------------------------*\
19 \*-------------------------------------*/
21 virtual ~ImageObserver_I()
26 /*--------------------------------------*\
28 \*-------------------------------------*/
30 virtual void onImageUpdate()=0;
35 /*----------------------------------------------------------------------*\
37 \*---------------------------------------------------------------------*/