#ifndef BRIGHTCONTFX_H

#define BRIGHTCONTFX_H

#include "stdfx.h"

class Bright_ContFx : public TStandardRasterFx, public TDoubleParamObserver

{

	FX_PLUGIN_DECLARATION(Bright_ContFx)

	TRasterFxPort m_input;

	TDoubleParamP m_bright;

	TDoubleParamP m_contrast;

public:

	Bright_ContFx()

		: m_bright(127.5), m_contrast(50.0)

	{

		addParam("brightness", m_bright);

		addParam("contrast", m_contrast);

		m_bright->setValueRange(0, 255);

		m_contrast->setValueRange(0, 100);

		addPort("Source", m_input);

	}

	~Bright_ContFx(){};

	//TParamObserver method

	void onChange(const TParamChange &change)

	{

		notify(TFxParamChange(change));

	}

	bool getBBox(double frame, TRectD &bBox, TPixel32 &bgColor)

	{

		return m_input->getBBox(frame, bBox, bgColor);

	};

	void compute(TTile &tile, double frame, const TRasterFxRenderInfo *);

	TRect getInvalidRect(const TRect &max);

};

#endif