//	PixelMap.h

#ifndef PIXELMAP_H
#define PIXELMAP_H

#include "GifMaker.h"

class PixelMap : public GifMaker
{
public:
	PixelMap( const int pWidth, const int pHeight, const int pColors );
	virtual ~PixelMap() { if (itsBuffer) delete itsBuffer; }
	
	int IsGood( const int pX=0, const int pY=0 )
	{ return (pX>=0 && pX<itsWidth && pY>=0 && pY<itsWidth && itsBuffer>0); }

	RGB GetColor( const int pColorNum ) { return itsPalette(pColorNum); }
	
	int GetPixel( const int pX, const int pY )
	{ return (IsGood(pX,pY) ? itsBuffer[pX+pY*itsWidth] : 0); }

	RGB GetPixelRGB( const int pX, const int pY )
	{ return itsPalette( GetPixel(pX,pY) ); }
	
	void SetColor( const int pCnum, const RGB& pColor )
	{ itsPalette(pCnum) = pColor; }
	
	int SetPixel( const int pX, const int pY, const int pColor );
	
	void HLine( const int pX1, const int pX2, const int pY, const int pColor )
	{
		int endX = (pX2 < itsWidth ? pX2 : itsWidth );
		for (int i=(pX1>0 ? pX1 : 0); i<endX; i++) SetPixel(i,pY,pColor);
	}

	void VLine( const int pY1, const int pY2, const int pX, const int pColor )
	{
		int endY = (pY2 < itsHeight ? pY2 : itsHeight );
		for (int i=(pY1>0 ? pY1 : 0); i<endY; i++) SetPixel(pX,i,pColor);
	}
	
	void FillBox( const int pX1, const int pX2, const int pY1, const int pY2,
					const int pColor );
	
protected:
	unsigned char *itsBuffer;
	Palette itsPalette;
};

#endif