#ifndef _BITMAP_HPP_
#define _BITMAP_HPP_
#include <stdio.h>
#include <mdiwin/windows.hpp>
#include <mdiwin/types.hpp>
#include <mdiwin/string.hpp>

class Bitmap
{
public:
	enum {MaxColors=256};
	Bitmap(void);
	Bitmap(String pathFileName);
	Bitmap(String pathFileName,HGLOBAL hGlobalImage,HGLOBAL hGlobalBitmapInfo);
	~Bitmap();
	WORD operator=(String pathFileName);
	void operator=(const Bitmap &someBitmap);
	WORD operator==(const Bitmap &someBitmap)const;
	WORD isOkay(void)const;
	WORD displayBitmap(HWND hDisplayWindow,HDC hDC=(HDC)0,int isActive=FALSE,int conforming=FALSE)const;
	WORD saveBitmap(void)const;
	HGLOBAL lockedImageData(void)const;
	HGLOBAL lockedBitmapInfo(void)const;
	HPALETTE paletteHandle(void)const;
	WORD setPalette(HPALETTE hPalette);
	WORD isValidBitmap(String pathFileName)const;
private:
	enum Mode{Read,Write,Idle};
	enum {Signature=0x4D42};
	void cleanup(void);
	void createPalette(void);
	void decodeImage(void);
	void copyBits(UHUGE *destination,UHUGE *source,unsigned long length)const;
	WORD processBitmap(String pathFileName);

	String mFileName;
	WORD mMaxColors;
	Mode mCurrentMode;
	BITMAPFILEHEADER mBitmapFileHeader;
	HPALETTE mhPalette;
	HGLOBAL mhGlobalImage;
	HGLOBAL mhGlobalBitmapInfo;
	LONG mSizeImage;
	const LONG mBlockSize;
	UHUGE *mpImage;
	BITMAPINFO *mpBitmapInfo;
	HFILE mhFile;
};

inline
WORD Bitmap::isOkay(void)const
{
	return (mhGlobalImage&&mhGlobalBitmapInfo);
}

inline
HGLOBAL Bitmap::lockedImageData(void)const
{
	return mhGlobalImage;
}

inline
HGLOBAL Bitmap::lockedBitmapInfo(void)const
{
	return mhGlobalBitmapInfo;
}

inline
HPALETTE Bitmap::paletteHandle(void)const
{
  return mhPalette;
}

inline
WORD Bitmap::operator==(const Bitmap &someBitmap)const
{
	return mFileName==someBitmap.mFileName;
}

inline
void Bitmap::operator=(const Bitmap &someBitmap)
{
	(*this)=someBitmap.mFileName;
}
#endif