gif.h

gif图像的编解码实现

// Gif.h: interface for the CGif class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_GIF_H__3F3EB142_198E_11D3_ABDA_0000E81A9AA8__INCLUDED_)
#define AFX_GIF_H__3F3EB142_198E_11D3_ABDA_0000E81A9AA8__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


//-----------start define
#define WIDTHBYTES(bits)    (((bits) + 31) / 32 * 4)

typedef unsigned char UCHAR;
typedef UCHAR *   LPUSTR;
typedef unsigned short USHORT;
class GIFINFO
{
public:
	USHORT FileType;//89a or 87a 
	USHORT ColorType;//1,2,4,8,16,32,64,128,256
	USHORT ColorMode;//1,2,3,4,5,6,7,8
	USHORT Width;
	USHORT Height;
	USHORT FrameCount;//