#if !defined(__CXImageFile_H)
#define __CXImageFile_H

#if _MSC_VER > 1000
#pragma once
#endif 

#ifdef GEOAPI
#define DLL_EXP GEOAPI
#endif

#include "ximacfg.h"

#ifdef GEOAPI
enum ENUM_CXIMAGE_FORMATS{
	CXIMAGE_FORMAT_UNKNOWN = 0,
#if CXIMAGE_SUPPORT_BMP
	CXIMAGE_FORMAT_BMP = 1,
#endif
#if CXIMAGE_SUPPORT_GIF
	CXIMAGE_FORMAT_GIF = 2,
#endif
#if CXIMAGE_SUPPORT_JPG
	CXIMAGE_FORMAT_JPG = 3,
#endif
#if CXIMAGE_SUPPORT_PNG
	CXIMAGE_FORMAT_PNG = 4,
#endif
#if CXIMAGE_SUPPORT_ICO
	CXIMAGE_FORMAT_ICO = 5,
#endif
#if CXIMAGE_SUPPORT_TIF
	CXIMAGE_FORMAT_TIF = 6,
#endif
#if CXIMAGE_SUPPORT_TGA
	CXIMAGE_FORMAT_TGA = 7,
#endif
#if CXIMAGE_SUPPORT_PCX
	CXIMAGE_FORMAT_PCX = 8,
#endif
#if CXIMAGE_SUPPORT_WBMP
	CXIMAGE_FORMAT_WBMP = 9,
#endif
#if CXIMAGE_SUPPORT_WMF
	CXIMAGE_FORMAT_WMF = 10,
#endif
#if CXIMAGE_SUPPORT_JP2
	CXIMAGE_FORMAT_JP2 = 11,
#endif
#if CXIMAGE_SUPPORT_JPC
	CXIMAGE_FORMAT_JPC = 12,
#endif
#if CXIMAGE_SUPPORT_PGX
	CXIMAGE_FORMAT_PGX = 13,
#endif
#if CXIMAGE_SUPPORT_PNM
	CXIMAGE_FORMAT_PNM = 14,
#endif
#if CXIMAGE_SUPPORT_RAS
	CXIMAGE_FORMAT_RAS = 15,
#endif
#if CXIMAGE_SUPPORT_JBG
	CXIMAGE_FORMAT_JBG = 16,
#endif
#if CXIMAGE_SUPPORT_MNG
	CXIMAGE_FORMAT_MNG = 17,
#endif
#if CXIMAGE_SUPPORT_SKA
	CXIMAGE_FORMAT_SKA = 18,
#endif
#if CXIMAGE_SUPPORT_RAW
	CXIMAGE_FORMAT_RAW = 19,
#endif
	CMAX_IMAGE_FORMATS = CXIMAGE_SUPPORT_BMP + CXIMAGE_SUPPORT_GIF + CXIMAGE_SUPPORT_JPG +
	CXIMAGE_SUPPORT_PNG + CXIMAGE_SUPPORT_MNG + CXIMAGE_SUPPORT_ICO +
	CXIMAGE_SUPPORT_TIF + CXIMAGE_SUPPORT_TGA + CXIMAGE_SUPPORT_PCX +
	CXIMAGE_SUPPORT_WBMP+ CXIMAGE_SUPPORT_WMF +
	CXIMAGE_SUPPORT_JBG + CXIMAGE_SUPPORT_JP2 + CXIMAGE_SUPPORT_JPC +
	CXIMAGE_SUPPORT_PGX + CXIMAGE_SUPPORT_PNM + CXIMAGE_SUPPORT_RAS +
	CXIMAGE_SUPPORT_SKA + CXIMAGE_SUPPORT_RAW + 1
};
#endif

class DLL_EXP CXImageFile
{
public:

	 CXImageFile();
	~CXImageFile();

	HANDLE	ReadJpeg(const char *pszInput);
	HANDLE	ReadJpeg(FILE *pszInput);

	// ReadJpeg函数只能够读取.jpg图像
	// header - 位图信息头结构
	// pData - 位图数据
	DWORD	ReadJpeg(const char *pszInput, BITMAPINFOHEADER &header, char* &pData);
	DWORD	ReadJpeg(FILE *Input, BITMAPINFOHEADER &header, char* &pData);

	// nType 标记传入文件的类型
	// 传出的文件类型为.jpg
	int		WriteJpeg( const char *pszInput, const char *pszOutput, int nType, float fQuality = 100.);
	int		WriteJpeg( FILE *Input, FILE *Output, int nType, float fQuality = 100.);

	// nType 标明传入文件的类型
	HANDLE	GetCopyToHandle(const char *pszInput, int nType);
	HANDLE	GetCopyToHandle(FILE *Input, int nType);

	HANDLE	ReadOtherPicFile(const char *pszInput);
	// header - 位图信息头结构
	// pData - 位图数据
	DWORD	ReadOtherPicFile(const char *pszInput, BITMAPINFOHEADER &header, char* &pData);
	int		OtherPicToJpeg(const char *pszInput, const char *pszOutput, float fQuality = 100.);

	// tools
	DWORD	GetBmpInfoByDib(HANDLE hDib , BITMAPINFOHEADER &header, char* &pData);

private:

	HANDLE	GetDibHandle(const char *pszInput, DWORD dwType);
	HANDLE GetDibHandle(FILE *Input, DWORD dwType);
	WORD   PaletteSize(LPSTR lpbi);
	WORD   DIBNumColors(LPSTR lpbi);
	char*  FindDIBBits(LPSTR lpbi);
	DWORD  GetImageType(const char* pszName);
};

#endif