dib256.h

一个完整的数字硬盘录像机系统软件

#ifndef DIB256_h
#define DIB256_h
class CDIBitmap
{
	friend class CBmpPalette;
public:
	BITMAPINFO *	m_pInfo;
	BYTE *			m_pPixels;
	CBmpPalette *	m_pPal;
	BOOL			m_bIsPadded;
	public:		//constructors
		CDIBitmap();
		virtual ~CDIBitmap();
	private:
		CDIBitmap( const CDIBitmap& dbmp );
	public:		// attributes
		BITMAPINFO *	GetHeaderPtr() const;
		BYTE *			GetPixelPtr() const;
		RGBQUAD *		GetColorTablePtr() const;
		int				GetWidth() const;
		int				GetHeight() const;
		CBmpPalette *	GetPalette() { return m_pPal; }
	public:		// operations
		BOOL			CreatePalette();	// auto. made by "Load()" and "CreateFromBitmap()"
		void			ClearPalette();		// destroy the palette associated with this image
		BOOL			CreateFromBitmap( CDC *, CBitmap * );
		BOOL			LoadResource(LPCTSTR ID);
		BOOL			LoadResource(UINT ID) { return LoadResource(MAKEINTRESOURCE(ID)); }
		BOOL			LoadBitmap(UINT ID) { return LoadResource(ID); }
		BOOL			LoadBitmap(LPCTSTR ID) { return LoadResource(ID); }
		void			DestroyBitmap();
		BOOL			DeleteObject() { DestroyBitmap(); return TRUE; }
	public:		// overridables
		virtual void	DrawDIB( CDC * pDC, int x=0, int y=0 );
		virtual void	DrawDIB( CDC * pDC, int x, int y, int width, int height );
		virtual int		DrawDIB( CDC * pDC, CRect & rectDC, CRect & rectDIB );
		virtual BOOL	Load( CFile * pFile );
		virtual BOOL	Load( const CString & );
		virtual BOOL	Save( CFile * pFile );
		virtual BOOL	Save( const CString & );
	protected:
		int				GetPalEntries() const;
		int				GetPalEntries( BITMAPINFOHEADER& infoHeader ) const;
		DWORD			GetBitsPerPixel() const;
		DWORD			LastByte( DWORD BitsPerPixel, DWORD PixelCount ) const;
		DWORD			GetBytesPerLine( DWORD BitsPerPixel, DWORD Width ) const;
		BOOL			PadBits();
		BOOL			UnPadBits();
		WORD			GetColorCount() const;
};

#include "dibpal.h"

#endif	// DIB256_h