#include "cvimage.h"

using namespace std;

namespace Rotor {
	//believe these still work, don't know if these optimisations are better than opencvs..
	Image & Image::operator+=(const Image &other) {
		if (other.w!=w||other.h!=h) {
			cerr<<"Rotor: cannot add images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
		}
		else {
			rgb+=other.rgb;
		}
		return *this;
	}
	Image & Image::operator*=(const Image &other) {
		if (other.w!=w||other.h!=h) {
			cerr<<"Rotor: cannot multiply images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
		}
		else {
			rgb/=other.rgb; //counter intuitive!
		}
		return *this;
	}
	Image & Image::add_wrap(const Image &other) {
		if (other.w!=w||other.h!=h) {
			cerr<<"Rotor: cannot add images with different sizes! (wanted "<<w<<"x"<<h<<", got "<<other.w<<"x"<<other.h<<")"<<endl;
		}
		else {
			for (int i=0;i<w*h*3;i++){
				//creates rainbow overload
				RGBdata[i]=(unsigned char)(((int)other.RGBdata[i]+(int)RGBdata[i]));
			}
		}
		return *this;
	}
	//scalar operations allocate a new image.
	//maybe this could not be the case if the data is owned by this image?
	//need to look into auto_ptr
	Image & Image::operator*=(const float &amount) {
		rgb*=amount;
		return *this;
	}
	Image * Image::operator*(const float &amount) {
		Image *other=new Image(w,h);
		other->rgb=rgb*amount;
		return other;
	}
	Image * Image::operator+(const float &amount) {
		uint8_t amt=(uint8_t)(amount*255.0f);
		Image *other=new Image(w,h);
		other->rgb=rgb+amt;
		return other;
	}
	Image * Image::operator-(const float &amount) {
		uint8_t amt=(uint8_t)(amount*255.0f);
		Image *other=new Image(w,h);
		other->rgb=rgb-amt;
		return other;
	}
	Image * Image::operator/(const float &amount) {
		Image *other=new Image(w,h);
		other->rgb=rgb/amount;
		return other;
	}
}