imgrenderer.hh

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#ifndef __DW_IMGRENDERER_HH__
#define __DW_IMGRENDERER_HH__
 
#ifndef __INCLUDED_FROM_DW_CORE_HH__
#   error Do not include this file directly, use "core.hh" instead.
#endif
 
namespace dw {
namespace core {
 
class ImgRenderer
{
public:
   virtual ~ImgRenderer () { }
 
   virtual void setBuffer (core::Imgbuf *buffer, bool resize = false) = 0;
 
   virtual void drawRow (int row) = 0;
 
   virtual void finish () = 0;
 
   virtual void fatal () = 0;
};
 
class ImgRendererDist: public ImgRenderer
{
   lout::container::typed::HashSet <lout::object::TypedPointer <ImgRenderer> >
      *children;
 
public:
   inline ImgRendererDist ()
   { children = new lout::container::typed::HashSet
         <lout::object::TypedPointer <ImgRenderer> > (true); }
   ~ImgRendererDist () { delete children; }
 
   void setBuffer (core::Imgbuf *buffer, bool resize);
   void drawRow (int row);
   void finish ();
   void fatal ();
 
   void put (ImgRenderer *child)
   { children->put (new lout::object::TypedPointer <ImgRenderer> (child)); }
   void remove (ImgRenderer *child)
   { lout::object::TypedPointer <ImgRenderer> tp (child);
     children->remove (&tp); }
};
 
} // namespace core
} // namespace dw
 
#endif // __DW_IMGRENDERER_HH__