gradient.cpp
No OneTemporary
Actions

Authored By

Unknown

Size

1 KB

Referenced Files

None

Subscribers

None

gradient.cpp
View Options

	#include "gradient.h"
	#include "funcs.h"

	namespace Effects{

	/* this class does virtually no error checking. great job */
	Gradient::Gradient(int size, Graphics::Color startColor, Graphics::Color endColor):
	colors(0),
	size(size),
	index(0){
	colors = new Graphics::Color[size];
	Graphics::blend_palette(colors, size / 2, startColor, endColor);
	Graphics::blend_palette(colors + size / 2, size / 2, endColor, startColor);
	}

	Gradient::Gradient(const Gradient & copy):
	colors(NULL),
	size(copy.size),
	index(copy.index){
	colors = new Graphics::Color[size];
	for (unsigned int i = 0; i < size; i++){
	colors[i] = copy.colors[i];
	}
	}

	Gradient & Gradient::operator=(const Gradient & copy){
	delete[] colors;
	size = copy.size;
	index = copy.index;
	colors = new Graphics::Color[size];
	for (unsigned int i = 0; i < size; i++){
	colors[i] = copy.colors[i];
	}
	}

	void Gradient::forward(){
	index = (index + 1) % size;
	}

	void Gradient::backward(){
	index = (index - 1 + size) % size;
	}

	void Gradient::update(){
	forward();
	}

	void Gradient::reset(){
	index = 0;
	}

	Graphics::Color Gradient::current() const {
	return colors[index];
	}

	Graphics::Color Gradient::current(int offset) const {
	return colors[(index + offset + size) % size];
	}

	Gradient::~Gradient(){
	delete[] colors;
	}

	}