gradient.h
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gradient.h
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	#ifndef _paintown_gradient_h
	#define _paintown_gradient_h

	#include "bitmap.h"
	#include <stdint.h>

	class Token;

	namespace Effects{

	class Gradient{
	public:
	Gradient();
	Gradient(Graphics::Color singleColor);
	Gradient(int size, Graphics::Color startColor, Graphics::Color endColor);
	Gradient(const Gradient & copy);
	Gradient(const Token * token);

	Gradient & operator=(const Gradient & copy);

	/* move to next color. update is an alias for `forward' */
	void update();
	void forward();
	void backward();

	/* start at startColor */
	void reset();

	/* get current color */
	Graphics::Color current() const;
	Graphics::Color current(int offset) const;

	virtual ~Gradient();

	protected:
	Graphics::Color * colors;
	uint32_t size;
	uint32_t index;
	};

	}

	#endif