#ifndef _DEVICE_FONT_H_
#define _DEVICE_FONT_H_

#include "gui_eng/stddefs.h"
#include "gui_eng/device_gdi.h"
#include "gui_eng/windef.h"

#ifndef min
#ifdef gcc
static	inline	int min(int x, int y)	{return (x)>(y) ? (y) : (x);}
#else
#define	min(x,y) ((x)>(y) ? (y) : (x))
#endif
#endif
#ifndef max
#ifdef gcc
static	inline	int max(int x, int y)	{return (x)>(y) ? (x) : (y);}
#else
#define	max(x,y) ((x)>(y) ? (x) : (y))
#endif
#endif
#ifndef swap
#define swap(x,y) do{x = x ^ y; y = x ^ y; x = x ^ y;}while(0);
#endif

//Check system configuration
#ifdef CONFIG_FLASH_STORE_TTF
	#if !defined CONFIG_CHIP_512L || !defined CONFIG_SPI_FLASH_SIZE_8M || !defined CONFIG_FONT_ENGINE_HARFBUZZ
	#error "To support CONFIG_FLASH_STORE_TTF should config CONFIG_CHIP_512L, CONFIG_SPI_FLASH_SIZE_8M and CONFIG_FONT_ENGINE_HARFBUZZ"
	#endif
#endif

#define FONT_ALIGN_LEFT 		(0x00)	// Text align: left in horizontal
#define FONT_ALIGN_CENTER 		(0x01)	// Text align: center in horizontal
#define FONT_ALIGN_RIGHT 		(0x02)	// Text align: right in horizontal
#define FONT_ALIGN_CP_DIR		(0x04)	// Text align: codepage display direction
#define FONT_ALIGN_MASK 		(0x0F)

#define FONT_V_ALIGN_TOP		(0x00)
#define FONT_V_ALIGN_CENTER		(0x10)
#define FONT_V_ALIGN_BOTTOM		(0x20)
#define FONT_V_ALIGN_MASK		(0xF0)

#define CHARCELL_EFFECT_UNDERLINE	(0x01)
#define CHARCELL_EFFECT_RECT		(0x02)

#define NOT_DISPLAY_UNKOWN_CHAR		(0xffff)

#define INVALID_CHAR_SPACE		(~0)

enum
{
	LINE_SEEK_SET,
	LINE_SEEK_CUR,
	LINE_SEEK_END,
};

/* OSD Language for middleware*/
typedef enum {
	MID_OSDLANG_COMM = 0,
	MID_OSDLANG_KURDISH,
	MID_OSDLANG_BURMESE,
	MID_OSDLANG_KHMER
} MID_OSDLanguage_t;

typedef struct {
	UINT8	*pArray;
	INT8	style;
	INT8	sizeIdx;
	INT8	bmpSize;
} FONTInfo_t;

typedef struct
{
	UINT8	ucBaseFontSize;
	UINT8	ucNumFontSize;
	UINT8	ucCharSpacing;
	UINT8	ucTotalLang;
	UINT16	usStrIDNum;
	UINT8*** pLangStrArray;
	FONTInfo_t *pFontInfo;
} FontInitInfo_t;

typedef struct
{
	UINT8	bFgColor;		/* The index value of text filling color. */
	UINT8	bBgColor;		/* The index value of text bg color. */
} TxtColor_t;

typedef enum
{
	FIXWIDTH_NONE,
	FIXWIDTH_NUMERRIC,
	FIXWIDTH_ALLCHARS,
} FixWidth_t;

/* external structure define for text attributes description */
typedef struct
{
	UINT8				ucTextAlign;	// The text alignment style
	UINT8				ucLineSpacing;	// line spacing if multi line
	UINT8				ucFontSize;		// Font style, an enumeration value.
	UINT8				ucShowEllipsis;
	UINT8 				ucPrivateCharSpace; // has high priority if set ~0
    UINT16              usStrWidth;
    TxtColor_t 			stColour;
	FixWidth_t			eFixCharWidth;	// Fix char width.
	RECT 				stRect;
} TextInfo_t;

typedef struct
{
	/* Notice: Effect char must be ASCII character */
	UINT16		usCellIdx; /* the idx of specified char cell(one char cell maybe constructed by multi unicode) */
	UINT16		usCellEffect; /* use an underline character or one rectangle to replace the upper char cell */
	TxtColor_t stColour; /* the colour of the effect char cell */
} CharEffect_t, *PCharEffect_t;

INT32 Font_init(FontInitInfo_t *pstFontInfo);
INT32 Font_unInitial(void);
void Font_setUnknownChar(UINT16 usUnknownChar);
UINT16 Font_getUnknownChar(void);
INT32 Font_setEmColour(TxtColor_t *pstEmColour);
INT32 Font_setCurLang(UINT8 ucLang);
UINT8 Font_getCurLang(void);
BOOL Font_isAPHChar(UINT16 utf16Code);
UINT8* Font_SetUTF8Position(UINT8 *pStr, INT32 *pLen, UINT32 *pPosition);
UINT8* Font_getStrByID(HDC hdc, UINT32 uiStrID);
INT32 Font_getStrWH(UINT8 *pUTF8Str, UINT8 ucFontSize, FixWidth_t eFixCharWidth, UINT16 *pWidth, UINT16 *pHeight);
INT32 Font_drawStr(HDC hdc, UINT8 *pUTF8Str, TextInfo_t *pstTxtInfo, PCharEffect_t pEffectChar, INT32 *pBlockID);
INT32 Font_drawStrID(HDC hdc, UINT32 uiStrID, TextInfo_t *pstTxtInfo, INT32 *pBlockId);
INT32 Font_getStrBmp(UINT8 *pUTF8Str, TextInfo_t *pstTxtInfo, BOOL *bDrawL2R, PRECT pDrawRect, IMAGEHDR *pImgInfo);
INT32 Font_getPgrhInfo(UINT8 *str, TextInfo_t *pstTxtInfo, PPgrhInfo_t pPgrhInfo);
INT32 Font_getLineStartOfPgrh(PPgrhInfo_t pPgrhInfo, UINT16 usLine, UINT16 *pLineStart);
INT32 Font_drawPgrh(HDC hdc, PPgrhInfo_t pPgrhInfo, TextInfo_t *pstTxtInfo, INT32 iOffset, UINT8 ucMode, INT32 *pBlockID);
INT32 Font_freePgrhInfo(PPgrhInfo_t pPgrhInfo);
UINT8 Font_getStringHeight(UINT8 ucFontSize);

#endif