streamtools/rescalers/simple.cpp

   1 #include "rescalers/public.hpp"
   2 #include "rescalers/factory.hpp"
   3 #include "rescalers/simple.hpp"
   4 #include <map>
   5 #include <stdexcept>
   6
   7 namespace
   8 {
   9         class simple_rescaler_c : public rescaler
  10         {
  11         public:
  12                 simple_rescaler_c(bound_scaler_t _rescale_fn)
  13                 {
  14                         rescale_fn = _rescale_fn;
  15                 }
  16
  17                 void operator()(uint8_t* target, uint32_t twidth, uint32_t theight,
  18                         const uint8_t* source, uint32_t swidth, uint32_t sheight)
  19                 {
  20                         rescale_fn(target, twidth, theight, source, swidth, sheight);
  21                 }
  22
  23         private:
  24                 bound_scaler_t rescale_fn;
  25         };
  26 }
  27
  28 simple_rescaler::simple_rescaler(const std::string& type, bound_scaler_t _fn)
  29         : rescaler_factory(type)
  30 {
  31         fn = _fn;
  32 }
  33
  34 rescaler& simple_rescaler::make(const std::string& type)
  35 {
  36         return *new simple_rescaler_c(fn);
  37 }