colors.cc

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#include "Vision/colors.h"
#include <cstdio>

//! displays an rgb value in the form '[r,g,b]'
std::ostream& operator<<(std::ostream &os, const rgb &rgbval) {
  os << "[" << (unsigned int)rgbval.red
     << "," << (unsigned int)rgbval.green
     << "," << (unsigned int)rgbval.blue
     << "]";
  return os;
}

//! returns @a rgbval in the form 'r g b'
std::string toString(const rgb &rgbval) {
  char buff[15];
  snprintf(buff,15,"%d %d %d",rgbval.red,rgbval.green,rgbval.blue);
  return buff;
}


//! displays an rgb value in the form '[y,u,v]'
std::ostream& operator<<(std::ostream &os, const yuv &yuvval) {
  os << "yuv[" << (unsigned int)yuvval.y
     << "," << (unsigned int)yuvval.u
     << "," << (unsigned int)yuvval.v
     << "]";
  return os;
}

//! returns @a yuvval in the form 'r g b'
std::string toString(const yuv &yuvval) {
  char buff[15];
  snprintf(buff,15,"%d %d %d",yuvval.y,yuvval.u,yuvval.v);
  return buff;
}