#ifndef _SPACIAL_HPP_
#define _SPACIAL_HPP_
//#include <stdio.h>
#include <common/windows.hpp>
//#include <mdiwin/main.hpp>
//#include <mdiwin/types.hpp>
#include <mdiwin/cache.hpp>
#include <mdiwin/byte.hpp>
#include <mdiwin/rgb.hpp>

class SpacialTransform
{
public:
	SpacialTransform(HPALETTE hPalette,UHUGE *hpImage,WORD width,WORD height,WORD sizeFactor);
	virtual ~SpacialTransform();
	HGLOBAL resizeImage(void);
	void cancelThread(void);
	WORD isCancelled(void)const;
private:
	enum {MaxColors=256};
	UINT nextPixel(void);
	void putPixel(void);
	void loadPaletteEntries(void);
	void processTransform(void);

	LONG mRedAccumulator;
	LONG mGreenAccumulator;
	LONG mBlueAccumulator;
	WORD mSizeFactor;            
	WORD mInverseFactor;         
	UINT mInSegment;             
	UINT mOutSegment;            
	LONG mSrcWidth;
	LONG mSrcHeight;
	LONG mSrcExtent;
	LONG mDstWidth;
	LONG mDstHeight;
	LONG mDstExtent;
	LONG mCurrentRed;
	LONG mCurrentGreen;
	LONG mCurrentBlue;
	LONG mNextRed;
	LONG mNextGreen;
	LONG mNextBlue;
	LONG mNextPixelIndex;
	LONG mNextDestinationIndex;
	HGLOBAL mhGlobal;
	UHUGE *mhpImage;
	UHUGE *mhpDestinationImage;
	HPALETTE mhPalette;
	PALETTEENTRY mPaletteData[MaxColors];
	WORD mIsInThread;
	Cache<RGBStruct,Byte,175> mSimpleCache;
};

inline
void SpacialTransform::loadPaletteEntries(void)
{
	::GetPaletteEntries(mhPalette,0,MaxColors,(PALETTEENTRY FAR *)&mPaletteData);
}

inline
void SpacialTransform::cancelThread(void)
{
	mIsInThread=FALSE;
}

inline
WORD SpacialTransform::isCancelled(void)const
{
	return !mIsInThread;
}
#endif