1 //---------------------------------------------------------------------------- 2 // Anti-Grain Geometry - Version 2.2 3 // Copyright (C) 2002-2004 Maxim Shemanarev (http://www.antigrain.com) 4 // 5 // Permission to copy, use, modify, sell and distribute this software 6 // is granted provided this copyright notice appears in all copies. 7 // This software is provided "as is" without express or implied 8 // warranty, and with no claim as to its suitability for any purpose. 9 // 10 //---------------------------------------------------------------------------- 11 // Contact: mcseem@antigrain.com 12 // mcseemagg@yahoo.com 13 // http://www.antigrain.com 14 //---------------------------------------------------------------------------- 15 16 #ifndef AGG_SPAN_INTERPOLATOR_ADAPTOR_INCLUDED 17 #define AGG_SPAN_INTERPOLATOR_ADAPTOR_INCLUDED 18 19 #include "agg_basics.h" 20 21 namespace agg 22 { 23 24 //===============================================span_interpolator_adaptor 25 template<class Interpolator, class Distortion> 26 class span_interpolator_adaptor : public Interpolator 27 { 28 public: 29 typedef Interpolator base_type; 30 typedef typename base_type::trans_type trans_type; 31 typedef Distortion distortion_type; 32 33 //-------------------------------------------------------------------- 34 span_interpolator_adaptor() {} 35 span_interpolator_adaptor(const trans_type& trans, 36 const distortion_type& dist) : 37 base_type(trans), 38 m_distortion(&dist) 39 { 40 } 41 42 //-------------------------------------------------------------------- 43 span_interpolator_adaptor(const trans_type& trans, 44 const distortion_type& dist, 45 double x, double y, unsigned len) : 46 base_type(trans, x, y, len), 47 m_distortion(&dist) 48 { 49 } 50 51 //-------------------------------------------------------------------- 52 const distortion_type& distortion() const 53 { 54 return *m_distortion; 55 } 56 57 //-------------------------------------------------------------------- 58 void distortion(const distortion_type& dist) 59 { 60 m_distortion = dist; 61 } 62 63 //-------------------------------------------------------------------- 64 void coordinates(int* x, int* y) const 65 { 66 base_type::coordinates(x, y); 67 m_distortion->calculate(x, y); 68 } 69 70 private: 71 //-------------------------------------------------------------------- 72 const distortion_type* m_distortion; 73 }; 74 } 75 76 77 #endif 78