#ifndef __DSTHAL_PHOTOVIEW_H__
#define __DSTHAL_PHOTOVIEW_H__

#if defined __cplusplus
extern "C" {
#endif


#define ThumbnailResoltuion 180
#define JpegResolution 1366

#define ThumbnailFrameSize 200

typedef enum
{
	En_IFD_0,
	En_ExifIFD,
	En_GPSIFD,
	En_Interoperability, 
	En_IFD_1,
	En_UnknownIFD 
} En_IFDState; 


typedef struct ExifInfo
{
	DS_U16 ExifTagNumber;
	DS_U16 DataFormat;
	DS_U32 nComponent;
	DS_U32 OffsetData;
	char * EntryValue; 

	struct 	ExifInfo *next;
	DS_U16   ThumbnailWidth;
	DS_U16   ThumbnailHeight;
	char**	ThumbnailImage;

	En_IFDState en_IfdState;
	DS_U32  entAddr; 
	DS_U8    ThumbnailFreed;
}   ExifInfo; 


typedef struct JpgFileInfo
{
	char Name[256];
	DS_U16 Index;
	DS_U32 JpgFileSize;
	time_t JpgModiTime;
	DS_U32 ImgWidthSize;	// jpg ³Êºñ
	DS_U32 ImgHeightSize;		// jpg ³ô?Ì
	DS_U8  RotationInfo;	// rotation Á¤º¸
	ExifInfo *exifInfo;
	struct JpgFileInfo *prev;
	struct JpgFileInfo *next;
	DS_U32 pitch;
	DS_U8  JpegRotateInfo;
	DS_U8  ThmRotateInfo;
	DS_U8  NoDraw;
}JpgFileInfo;

DS_U16 get_thumbnail_pitch(void);

int JpegDec(DS_BOOL get_exif_info, char *ThumbFN, char b_GetThumbnail, JpgFileInfo *pfile);

typedef enum
{
	MoveUp,
	MoveDown,
	MoveLeft,
	MoveRight
}Direction;

typedef enum
{
	ZoomIn,
	ZoomOut
}ZoomStatus;

typedef enum
{
	EnRotate0,
	EnRotate90,
	EnRotate180,
	EnRotate270, 
	EnRotateEnd
}EnRotate;

typedef enum JpegMsgID
{
	JPEG_MSG_USB_STATUS=0,
	JPEG_MSG_FILE_LIST_STATUS,
	JPEG_MSG_JPEG_DECODE_STATUS,
}JpegMsgID;

typedef enum Status_MsgID
{
	STATUS_MSG_USB_UN_MOUNT_COMPLETE = 0,
	STATUS_MSG_USB_UN_MOUNT_FAILED,
	STATUS_MSG_USB_MOUNT_COMPLETE,
	STATUS_MSG_USB_MOUNT_FAILED,
	STATUS_MSG_FILE_LIST_COMPLETE,
	STATUS_MSG_FILE_LIST_UNCOMPLETE,
}Status_MsgID;

typedef struct JpegEvent
{
	JpegMsgID msgID;
}JpegEvent;

typedef struct JpegEvent_Usb
{
	JpegEvent mID;
	Status_MsgID UsbStatus; // 0: UnMount Succes, 1: UnMount Failed, 2: Mount Success, 3: Mount Failed
	
}JpegEvent_Usb;

typedef struct JpegEvent_FileList
{
	JpegEvent mID;
	Status_MsgID FileListStatus;	// 4: File List Complete
	DS_U32 JpgFileNum;	// Jpg file number
}JpegEvent_FileList;

typedef struct JpegEvent_JpegDec
{
	JpegEvent mID;
	DS_U32 CurProgress;	
}JpegEvent_JpegDec;

typedef struct tag_UsbEvMsg
{
	Status_MsgID cmd;
} UsbEvMsg;

void dhl_set_jpeg_callback(void(*func)(JpegEvent*));

typedef enum
{
	ExifByte = 1,
	ExifAscii,
	ExifShort,
	ExifLong,
	ExifRational,
	ExifUndefined = 7,
	ExifSLong = 9,
	ExifSRational  
} ExifType;

typedef enum{
	en_NoThumbnail,
	en_ThumbnailExist,
	en_ThumbnailFree,
	en_ThumbnailKeepIt
}enThumbImageFlag;

#if defined __cplusplus
}
#endif


#endif