Repo created

3party/agg/agg_span_interpolator_adaptor.h

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+//----------------------------------------------------------------------------
+// Anti-Grain Geometry - Version 2.4
+// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
+//
+// Permission to copy, use, modify, sell and distribute this software 
+// is granted provided this copyright notice appears in all copies. 
+// This software is provided "as is" without express or implied
+// warranty, and with no claim as to its suitability for any purpose.
+//
+//----------------------------------------------------------------------------
+// Contact: mcseem@antigrain.com
+//          mcseemagg@yahoo.com
+//          http://www.antigrain.com
+//----------------------------------------------------------------------------
+
+#ifndef AGG_SPAN_INTERPOLATOR_ADAPTOR_INCLUDED
+#define AGG_SPAN_INTERPOLATOR_ADAPTOR_INCLUDED
+
+#include "agg_basics.h"
+
+namespace agg
+{
+
+    //===============================================span_interpolator_adaptor
+    template<class Interpolator, class Distortion>
+    class span_interpolator_adaptor : public Interpolator
+    {
+    public:
+        typedef Interpolator base_type;
+        typedef typename base_type::trans_type trans_type;
+        typedef Distortion distortion_type;
+
+        //--------------------------------------------------------------------
+        span_interpolator_adaptor() {}
+        span_interpolator_adaptor(const trans_type& trans, 
+                                  const distortion_type& dist) :
+            base_type(trans),
+            m_distortion(&dist)
+        {   
+        }
+
+        //--------------------------------------------------------------------
+        span_interpolator_adaptor(const trans_type& trans,
+                                  const distortion_type& dist,
+                                  double x, double y, unsigned len) :
+            base_type(trans, x, y, len),
+            m_distortion(&dist)
+        {
+        }
+
+        //--------------------------------------------------------------------
+        const distortion_type& distortion() const
+        {
+            return *m_distortion;
+        }
+
+        //--------------------------------------------------------------------
+        void distortion(const distortion_type& dist)
+        {
+            m_distortion = dist;
+        }
+
+        //--------------------------------------------------------------------
+        void coordinates(int* x, int* y) const
+        {
+            base_type::coordinates(x, y);
+            m_distortion->calculate(x, y);
+        }
+
+    private:
+        //--------------------------------------------------------------------
+        const distortion_type* m_distortion;
+    };
+}
+
+
+#endif