#pragma once
 
#ifndef CHANGECOLORFX_H
#define CHANGECOLORFX_H
 
#include "stdfx.h"
 
class ChangeColorFx : public TStandardRasterFx
{
	FX_PLUGIN_DECLARATION(ChangeColorFx)
	TRasterFxPort m_input;
	TPixelParamP m_from_color;
	TPixelParamP m_to_color;
	TDoubleParamP m_range;
	TDoubleParamP m_falloff;
 
public:
	ChangeColorFx()
		: m_from_color(TPixel32::Red), m_to_color(TPixel32::Blue), m_range(0.0), m_falloff(0.0)
	{
		addPort("Source", m_input);
		addParam("range", m_range);
		addParam("falloff", m_falloff);
		addParam("from_color", m_from_color);
		addParam("to_color", m_to_color);
		m_range->setValueRange(0, 1);
		m_falloff->setValueRange(0, 1);
	}
	~ChangeColorFx(){};
 
	bool getBBox(double frame, TRectD &bBox, TPixel32 &bgColor)
	{
		return m_input->getBBox(frame, bBox, bgColor);
	};
 
	void compute(TTile &tile, double frame, const TRasterFxRenderInfo *ri);
	TRect getInvalidRect(const TRect &max);
};
#endif