/** @file
 * GEL text related control API. 
 *
 * @author mandy.wu 2010/08/31 (Add new marquee style GEL_MARQUEE_CIRCLE)
 * @author tzungming.lin
 * @version 0.1
 */
#ifndef __GEL_TEXT__
#define __GEL_TEXT__
#include "device_font.h"

/** Dynamic string types. */
typedef enum {
	GEL_DYN_STR_NATIVE,		/**< Follow the code page for static string */
	GEL_DYN_STR_EPG,		/**< Dynamic strings will be regarded as epg strings */
	GEL_DYN_STR_UTF8,		/**< Dynamic strings will be regarded as utf8 strings */
	GEL_DYN_STR_UTF16_LE,	/**< Dynamic strings will be regarded as utf16 little endian strings */
	GEL_DYN_STR_UTF16_BE,	/**< Dynamic strings will be regarded as utf16 big endian strings */
	GEL_DYN_STR_LAST
} GEL_DynStrType_e;

/** Marquee style. */
typedef enum GEL_Marquee_Style_e_
{
	GEL_MARQUEE_SCROLL_ONEWAY = 0,				/**< */
	GEL_MARQUEE_SCROLL = 0x10000000,			/**< */
	GEL_MARQUEE_ALTERNATE_ONEWAY =0x20000000,	/**< */
	GEL_MARQUEE_ALTERNATE = 0x30000000,		/**< */
	GEL_MARQUEE_CIRCLE = 0x40000000,			/**< */
	GEL_MARQUEE_MAX = 0x40000000
} GEL_Marquee_Style_e;

/** Text alignment in horizontal. */
typedef enum {
	GEL_TEXT_ALIGN_LEFT = 0,	/**< Left aligned */
	GEL_TEXT_ALIGN_CENTER,		/**< Center aligned */
	GEL_TEXT_ALIGN_RIGHT,		/**< Right aligned */
	GEL_TEXT_ALIGN_CP_DIR,		/**< Codepage display direction aligned */
	GEL_TEXT_ALIGN_LAST
} GEL_TextAlign_e;

/** Border text style. */
typedef enum {
	GEL_TEXT_BORD_THIN = 0,	/**< Thin text border */
	GEL_TEXT_BORD_MIDDLE,	/**< Middle text border */
	GEL_TEXT_BORD_THICK,	/**< Thick text border */
	GEL_TEXT_BORD_LAST
} GEL_TextBordType_e;

typedef enum {
	GEL_TEXT_STYLE_NORMAL = 0,
	GEL_TEXT_STYLE_BOLD,
	GEL_TEXT_STYLE_ITALIC,
	GEL_TEXT_STYLE_BOLD_ITALIC,
	GEL_TEXT_STYLE_BORDERING,
	GEL_TEXT_STYLE_LAST
} GEL_TextStyle_e;

typedef enum {
	GEL_TEXT_END_NO_POINT = 1, // Sync. value with DrawPoint_e
	GEL_TEXT_END_THREE_POINT,
	GEL_TEXT_END_NOT_ENOUGH,
	GEL_TEXT_END_STYLE_LAST
} GEL_TextEndStyle_e;

typedef enum {
	GEL_AALEVEL_NONE = 0,
	GEL_AALEVEL_4,
	GEL_AALEVEL_8,
	GEL_AALEVEL_FULL,
	GEL_AALEVEL_LAST
} GEL_AALevel_e;

/** GEL text info struct */
typedef struct {
	BOOLEAN				bDrawBorder;	/**< Draw border or not. */
	UINT8				bBordColor;		/**< The color index value for text border. */
	UINT8				bTextFgColor;	/**< The color index value for text foreground filling. */
	UINT8				bTextBgColor;	/**< The color index value for text background filling. */
#if 0
	UINT32				dFontSize;		/**< The font size to be used. */
#else
	FontStyle_e			eFontStyle;		/**< The font style to be used. */
#endif
	GEL_TextAlign_e		eTextAlign;		/**< The text alignment style. */
	GEL_TextBordType_e	eBordType;		/**< The type of text border. */
} GEL_TextInfo_t;

/** Vector font infor struct */
typedef struct {
	FONTSize_t			bFontSize;		/**< The font size in 'pt' (only support for vector font config). */
	GEL_TextStyle_e		eTextStyle;		/**< The text style to be applied */
	GEL_AALevel_e		eAALevel;		/**< Grayscale color levels for AA. */
	GEL_AAEntry_t*		pStartIndices;	/**< List of start indices of each group. */
	UINT8				bAAGroupNum : 4;/**< Number of groups of grayscale colors for AA. */
	UINT8				bAAGroupIdx : 4;/**< Index of desired group. */
	UINT8				bAADisable	: 4;/**< Force disable AA effect. If true, AA is disabled. */
	UINT8				bGenPal		: 4;/**< Generate palette from vfont or not. */
} GEL_VFInfo_t;

#ifdef CONFIG_ENABLE_UMF_LANGUAGE_MODULES
typedef INT32 (*LoadLangfun)(INT8 eLangName);
void GEL_RegLoadGlobalLangCB (LoadLangfun fun);
#endif
/**
 * Set font information to GUI engine.
 *
 * @param pFontInfo     Pointer of the font information array generated by tool.
 * @param dFontBlockNum	 The font block number generated by tool.
 * @param dFontSizeNum   The font size number generated by tool. 
 * @param bLangNum       The language number generated by tool. 
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */ 
GUIResult_e GEL_SetFontInfo(FONTInfo_t *pFontInfo, UINT32 dFontStyleNum, OSDStringInfo_t *pStr, 
	UINT16 usStrIDNum, UINT8 ucBasicBmpSize, UINT8 ucLangNum, UINT8 ucCharSpacing)__attribute__ ((warn_unused_result));

/**
 * Set global language information to the whole project.
 *
 * @param sdLangName	The language name to be set for global settings. 
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */ 
GUIResult_e GEL_SetGlobalLang (UiLANGName_t sdLangName)__attribute__ ((warn_unused_result));


/**
 * Get global language information to the whole project.
 *
 * @param sdLangName  Returned language name.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */ 
GUIResult_e GEL_GetGlobalLang (UiLANGName_t *sdLangName)__attribute__ ((warn_unused_result));

/**
 * Set current language information of specific menu/popup.
 */
GUIResult_e GEL_SetLang(WinControl_t *pWinCtrl, UiLANGName_t eLangName);


/**
 * Get current language information of specific menu/popup.
 *
 * @param pWinCtrl   A WinControl_t pointer to a WINDOW/POPUP.
 * @param pLangInfo  Returned language information.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_GetLang(WinControl_t *pWinCtrl, UiLANGName_t *pLangInfo)__attribute__ ((warn_unused_result));


/**
 * Set string type of dynamic strings. 
 * GUI engine will display dynamic strings according to the set type.  
 *
 * @param pHandle      Handle to a control object.  
 * @param eStringType  The string type to be set (DYNStringType_t). 
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 * @see GEL_GetStrType()
 */
GUIResult_e GEL_SetStrType (HWND pHandle, GEL_DynStrType_e eStringType)__attribute__ ((warn_unused_result));

/**
 * Get string type of dynamic strings. 
 * GUI engine will display dynamic strings according to the set type.  
 *
 * @param pHandle		Handle to a control object.   
 * @param pStringType  Return the current dynamic string type to be regarded as.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 * @see GEL_SetStrType()
 */
GUIResult_e GEL_GetStrType (HWND pHandle, GEL_DynStrType_e *pStringType)__attribute__ ((warn_unused_result));

/**
 * Get string data from a static string id.
 *
 * @param sdstrId	A valid string id in the string list.
 * @param ppStr		Pointer to a pointer of a string.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_GetStr(String_id_t sdstrId, UINT8 **ppStr)__attribute__ ((warn_unused_result));

/**
 * Get string width and height according to the font configuration.
 *
 * @param pStr			Pointer to a string.
 * @param pstTextInfo	Text info of the string. 
 * @param pWidth		Return the string width. 
 * @param pHeight		Return the string height. 
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_GetStrSize(UINT8 *pStr, GEL_TextInfo_t *pstTextInfo, 
	UINT16 *pWidth, UINT16 *pHeight)__attribute__ ((warn_unused_result));

#if 0
/**
 * Set marquee fps(frame per second). 
 *
 * @param bFps  Fps for marquee to be set.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_SetMarqueeFps(UINT8 bFps)__attribute__ ((warn_unused_result));
#endif

/**
 * Set marquee fps(frame per second) and move step. 
 *
 * @param bFps  Fps for marquee to be set.
 * @param step   move step.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_SetMarqueeFpsAndStep(UINT8 bFps, INT16 step)__attribute__ ((warn_unused_result));

/**
 * Set marquee style to a specific control. 
 *
 * @param pHandle	Handle to a control object.  
 * @param eStyle	The marquee style to be set. 
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_SetMarqueeStyle(HWND pHandle, GEL_Marquee_Style_e eStyle)__attribute__ ((warn_unused_result));

/**
 * Release ebook related buffer.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_EBK_Finalize(void)__attribute__ ((warn_unused_result));

/**
 * Accumulate the total lines according to the input string. This function would run on 
 * caller's task.
 *
 * @param pHandle	Handle to a CLASS_TEXT control widget with S_TXT_EBK style.
 * @param pString	Desired string buffer.
 * @return GUI_SUCCESS if success, error codes otherwise.
 */

GUIResult_e GEL_EBK_AccumPages(HWND handle, UINT8* pString,UINT32 bufferindex)__attribute__ ((warn_unused_result));

/**
 * Reset the related attributes. Note that this function would ignore ebk_info->bSync flag.
 *
 * @param pHandle	Handle to a CLASS_TEXT control widget with S_TXT_EBK style.
 * @return GUI_SUCCESS if success, error codes otherwise.
 */
GUIResult_e GEL_EBK_Reset(HWND pHandle)__attribute__ ((warn_unused_result));

/**
 * Perform ebook goto-page functionality. This function would run on 
 * caller's task.
 *
 * @param pHandle		Handle to a CLASS_TEXT control widget with S_TXT_EBK style.
 * @param dPage			Desired page number.
 * @param sdBufIndex	Returned buffer index related to text file.
 * @param bDataExist	Returned flag that indicate whether the content of dPage exists in current loaded string buffer or not.
 * @return GUI_SUCCESS if success, error codes otherwise.
 */
GUIResult_e GEL_EBK_Goto(HWND pHandle, UINT32 dPage, INT32 *sdBufIndex, BOOLEAN *bDataExist)__attribute__ ((warn_unused_result));

GUIResult_e GEL_EBK_GetPageOffset(HWND handle, UINT32 dPage, UINT32 *pdFcpOffset,UINT32 *pdBufferIndex);


GUIResult_e GEL_EBK_GetPagebyOffset(HWND handle, UINT32 dFcpOffset, UINT32 dBufferIndex, UINT32 *pdPage);

/**
 * Check if given handle(textbox) is at synchronized condition. If not,
 * AP should reload the desired string buffer.
 *
 * @param pHandle	Handle to a CLASS_TEXT control widget with S_TXT_EBK style.
 * @return TRUE or FALSE.
 */
BOOLEAN GEL_EBK_IsSync(HWND pHandle)__attribute__ ((warn_unused_result));


/**
 * AP notifies GUI engine that the data of buffer is synchronized now, and
 * engine would unlock the designate textbox.
 *
 * @param pHandle	Handle to a CLASS_TEXT control widget with S_TXT_EBK style.
 * @return GUI_SUCCESS if success, error codes otherwise.
 */


UINT32 GEL_EBK_Notify(HWND handle, UINT8 *pString, UINT32 *Stroffset,UINT32 *sdBufIndex);


//<gunking>
/**
 * Set how to show unknown character
 *
 * @param UnknownChar	unknown character by user configuration
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GEL_SetUnknownChar(UINT16 chUnknownChar)__attribute__ ((warn_unused_result));
//</gunking>
GUIResult_e GEL_EBK_Preview(HWND handle);

typedef BOOL (*EBookGetPartialCode_t)(UINT8 *pSrcStr,UINT32 uiSrcBufLen, UINT32 *pOffset);

void GEL_RegPartialCodeCheckCallBackFunc(EBookGetPartialCode_t pGEL_EbookPartialCodeCheckCallBackFunc);

typedef UINT8* (*EBookConvert_t)(UINT8* pSrcStr, INT32* puiLen);
void GEL_RegConvertCodeCallBackFunc(EBookConvert_t pGEl_EBook_ConvertCodeCallBackFunc);
void GEL_UnRegConvertCodeCallBackFunc(void);
void GEL_UnRegPartialCodeCheckCallBackFunc(void);

#endif /* __GEL_TEXT__ */