/** @file
 * Header file for graphics device interfaces.
 *
 * @author anlzhao
 * @author mandy.wu 2009/08/21 (Draw objs to a tempbuf and then blit once to OSD)
 * @version 0.1
 */
#ifndef _DEVICE_H
#define _DEVICE_H

#include "gui_eng/stddefs.h"
#include "gui_eng/region.h"

#define INVALID_REGION_HANDLE	(-1)
#define PAL_ENTRY_NUM (256)
#define PAL_ENTRY_NUM_4BPP (16)
#define DIV_BYTE_SHIFT (3)
//#define BITS_PER_BYTE (8)
#define BMP_ALIGN_BYTE_NUM (4)


/** Input key types used by WM_KEYDOWN message on Editbox control. */
typedef enum {
	KEY_0 = 0,	/**< */
	KEY_1,		/**< */
	KEY_2,		/**< */
	KEY_3,		/**< */
	KEY_4,		/**< */
	KEY_5,		/**< */
	KEY_6,		/**< */
	KEY_7,		/**< */
	KEY_8,		/**< */
	KEY_9,		/**< */

	KEY_LEFT,	/**< */
	KEY_RIGHT,	/**< */
	KEY_UP,		/**< */
	KEY_DOWN,	/**< */

} input_key_t;

/*
** Double linked list data structure
** LIST must be first declared in struct
*/
typedef struct _list {
	struct _list 	*next;
	struct _list 	*prev;
} LIST, *PLIST;

/* Double linked list head data structure */
typedef struct _listhead {
	struct _list 	*head;
	struct _list 	*tail;
} LISTHEAD, *PLISTHEAD;

/* GDL layer drawing flags */
#define GDL_SRC_ALIGNED			(0x1)	/**< Indicates that pstImgData is 4-byte aligned or not. */
#define GDL_IGNORE_TRANS_COLOR	(0x2)	/**< If set, the transparent color won't be drawn. */
#define GDL_180_ROTATE			(0x4)	/**< 180 degree rotation. */


/* Graphics rendering operation funcs */
typedef struct {
	INT32 (*draw_pixel) (RegionHandle_t sdRegionHandle, INT16 swX, INT16 swY, UINT32 dValue, INT32 *pBlockId);
	INT32 (*draw_line)  (RegionHandle_t sdRegionHandle, INT16 swX1, INT16 swY1, INT16 swX2, INT16 swY2, UINT16 wThickness, Color_t stColor, INT32 *pBlockId);
	INT32 (*draw_rect)  (RegionHandle_t sdRegionHandle, RECT stRect, UINT16 wThickness, Color_t stColor, INT32 *pBlockId);
	INT32 (*draw_hole_rect) (RegionHandle_t sdRegionHandle, RECT stRect, UINT16 wThickness, INT32 *pBlockId, INT32 isEvenAlign);
	INT32 (*fill_rect)  (RegionHandle_t sdRegionHandle, RECT stRect, Color_t stColor, BOOLEAN bIgnoreTransColor, INT32 *pBlockId);
	INT32 (*fill_bmp)   (RegionHandle_t sdRegionHandle, RECT stSrcRect, RECT stDstRect,
		const PIMAGEHDR pstImgData, PALENTRY *pDynSrcPal, UINT8 bDrawFlag, INT32 *pBlockId);
	INT32 (*blit_bmp)   (RegionHandle_t sdRegionHandle, RECT stSrcRect, RECT stDstRect,
		const PIMAGEHDR pstImgData, PALENTRY *pDynSrcPal, UINT8 bDrawFlag, INT32 *pBlockId);
	INT32 (*blit_rot_bmp) (RegionHandle_t sdRegionHandle, RECT stSrcRect, RECT stDstRect,
		const PIMAGEHDR pstImgData, PALENTRY *pDynSrcPal, UINT32 dAngle, INT32 *pBlockId);
	INT32 (*sblit_bmp)  (RegionHandle_t sdRegionHandle, RECT stSrcRect, RECT stDstRect,
		const PIMAGEHDR pstImgData, PALENTRY *pDynSrcPal, INT32 *pBlockId);
	INT32 (*blit_text_bmp)(RegionHandle_t sdRegionHandle, RECT stRect, PIMAGEHDR pstTextData, INT32 *pBlockId);
	INT32 (*blend_bmp)  (RegionHandle_t sdRegionHandle, RECT stDstRect, const PIMAGEHDR pstImgData,
		PALENTRY *pDynSrcPal, UINT8 bAlphaValue, INT32 *pBlockId);
	INT32 (*set_dispaly)  (BOOL ShowOSD);
} DRAWDRIVER, *PDRAWDRIVER;


typedef struct _region_params {
	BOOLEAN					bFullAALock;  /* TRUE if the palette of this region is modified by 256-level AA rendering. */

	// Resources
	RegionInfo_t				*region_info; /* Pointer to a specific region_info */
	UINT32					region_index; /* The region index of the region_info array */

	RECT					rect;
	PALENTRY				*pPal;        /* Pointer to the current referenced region pal */
	void 					*pClutTable; /* prepare for OSD Library */
	PixelFormat_e				format;
	UINT8					bpp;          /* bits per pixel */
	UINT8					transparency; /* 0~MAX_REGION_TRANSPARENCY 0: OPaque */
	UINT8					enable_trans;
	OSD_Layer_t             layer; 
	PDRAWDRIVER			drawdriver;   /* Indicate function ptrs to drawing driver */
} RegionParams_t;

/* OSD region operation funcs */
typedef struct _region_procs {
	INT32 (*pOpenRegion)(RegionHandle_t stRegionHandle);
	INT32 (*pCloseRegion)(RegionHandle_t stRegionHandle);
	INT32 (*pSetTransLevel) (RegionHandle_t stRegionHandle, UINT8 bTransValue, BOOLEAN bRegionBlendEnable);
	INT32 (*pSetPal)(RegionHandle_t stRegionHandle, const PALENTRY *pPal);
    INT32(*pResizeUI) (OSD_Layer_t osd_layer, UINT16 wWidth, UINT16 wHeight, UINT16 wTargetWidth, UINT16 wTargetHeight);
} RegionProcs_t;

#endif /* _DEVICE_H */