/** @file
 * Header file for some utility functions.
 *
 * @author mandy.wu 2010/12/06 (Add duplicate controls' core struct)
 * @author tzungming.lin 2009/09/28 (Control/Child scaling)
 * @version 0.1
 */

#ifndef _GUIENG_UTIL
#define _GUIENG_UTIL

#include "gl_types.h"
#include "stddefs.h"
#include "datatypes.h"
#include "gui_engine.h"

#define GENG_SET_ALIGN(oriAlign, hAlign) oriAlign = ((oriAlign & ~FONT_ALIGN_MASK) | hAlign)
#define GENG_SET_V_ALIGN(oriAlign, vAlign) oriAlign = ((oriAlign & ~FONT_V_ALIGN_MASK) | vAlign)

#define CHECK_DISLIST(list,total)									\
	if( (list) == NULL && (total) > 0 )								\
	{ 																\
		ERROR(PRINT("%s: Disabled list is NULL\n", __FUNCTION__));	\
		return;														\
	}																\
	else if( (total) == 0 )											\
		return;

#define BAK_REGION_INFO(sdHandle, stOriArea) \
{ \
	stOriArea = gRegionDetails[sdHandle].rect; \
}

#define RESTORE_REGION_INFO(sdHandle, stOriArea) \
{ \
	gRegionDetails[sdHandle].rect = stOriArea; \
}


/** Transparent color. */
extern const Color_t gTransColor;
/** icon_info_t with ICON_ID_INVALID of each state. */
extern const icon_info_t gInvalidIcon;
/** color_info_t with transparent color of each state. */
extern const color_info_t gTransColorInfo;
/** text_color_info_t with transparent color of each state. */
extern const text_color_info_t gTransTextColorInfo;


/**************************************************************************/
/* Accessors.                                                             */
/**************************************************************************/
/**
 * Get a 4-byte-aligned width from the input image data.
 *
 * @param pstImgData Pointer to the target image data.
 * @return A 4 bytes aligned width for a bitmap.
 */
UINT16 GUIENG_GetBmpAlignedWidth(const PIMAGEHDR pstImgData);

/**
 * Get parent with type of CLASS_WINDOW or CLASS_POPUP.
 *
 * @param handle Handle of a control.
 * @return Pointer to the handle of parent menu/popup.
 */
HWND GUIENG_GetParentMenu(HWND handle);


/**
 * Get font style enum value according to the state of widget
 *
 * @param pstCtrl    Control of target widget.
 * @param dState   Specific state.
 * @return Font style enumeration value.
 */
FontStyle_e GUIENG_GetFontStyle(WinControl_t *pstCtrl, UINT32 dState);

/**
 * Get font size according to the state of widget
 *
 * @param pstCtrl    Control of target widget.
 * @param dState   Specific state.
 * @return Font size in pt(or pixel).
 */
FONTSize_t GUIENG_GetFontSize(WinControl_t *pstCtrl, UINT32 dState);

#define GUIENG_GetEndStyle(control) ((GET_WIDGET_STYLE(control) & S_TXT_END_MASK) >> 4)


/**
 * Get text style.
 * @param pstCtrl	Control of target control.
 * @return Text style enum value.
 */
GEL_TextStyle_e GUIENG_GetTextStyle(WinControl_t *pstCtrl);

/**
 * Get text style of button group or listview.
 * @param pstCtrl	Control of target control.
 * @param dState	Desired state of the control.
 * @return Text style enum value.
 */
GEL_TextStyle_e GUIENG_GetGroupTextStyle(WinControl_t *pstCtrl, UINT32 dState);


/**
 * Get AA information from the style of parent control.
 *
 * @param handle		Handle to a control.
 * @param pstTextInfo	Text information structure.
 * @return GUI_SUCCESS if succeed, error code otherwise.
 */
GUIResult_e GUIENG_GetAAInfo(HWND handle, GENG_TextInfo_t *pstTextInfo);


/**
 * Get font alignment(horizontal and vertical) according to the style of a widget.
 *
 * @param dStyle	Common style of a widget.
 * @return Result alignment flag.
 */
UINT8 GUIENG_GetFontAlign(UINT32 dCommStyle);

/**************************************************************************/
/* Basic drawing functions.                                               */
/**************************************************************************/
/**
 * Draw child controls to be background extension.
 *
 * @param hdc        Handle of device context.
 * @param handle     Handle of parent control.
 * @param dParentState State of the parent control.
 */
void GUIENG_DrawChildBg(HDC hdc, HWND handle, UINT32 dParentState, UINT32 parentParam);

/**
 * Draw child controls to be the border.
 *
 * @param hdc        Handle of device context.
 * @param handle     Handle of parent control.
 * @param dParentState State of the parent control.
 */
void GUIENG_DrawChildBorder(HDC hdc, HWND handle, UINT32 dParentState, UINT32 parentParam);

/**
 * Draw the background color of the parent, not the whole widget.
 *
 * @param hdc          	Handle to the device context.
 * @param stTargetRect	Rectangle of the parent.
 * @param stColor      Color of background.
 */
void GUIENG_FillDesignateColor(HDC hdc, RECT stTargetRect, Color_t stColor, INT32 *pBlockId);

/**
 * Draw background icon of a widget.
 *
 * @param hdc            Handle to a device context.
 * @param pstTargetRect  Target rectangle area.
 * @param swIconId       Icon id of background icon.
 * @param wSideSize      Side size of background icon.
 * @param pDynPal        Dynamic set source palette.
 * @param dStyle         Style of this widget.
 */
void GUIENG_DrawBgIcon(HDC hdc, PRECT pstTargetRect , INT16 swIconId,
	UINT16 wSideSize, PALENTRY *pDynPal, UINT32 dStyle, INT32 *pBlockId);

/**************************************************************************/
/* Marquee Related APIs.                                                  */
/**************************************************************************/
/**
 * Create a temp buffer to draw the prepared foreground for marquee style.
 *
 * @param hdc        Handle to a device context.
 * @param pstControl Pointer to a WinControl_t of the control.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GUIENG_CreateMarqueeFgBuf(HDC hdc, WinControl_t *pstControl);

/**
 * Create a buffer to backup the background of a marquee.
 *
 * @param hdc         Handle to a device context.
 * @param pstControl  Pointer to a WinControl_t of the control.
 * @param pstMarqInfo Pointer to a marquee information of target control.
 * @param pstBgRect   The background rect to be backup.
 * @param dControlFlags	To indecate if its a region buffer rendering.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GUIENG_CreateMarqueeBgBuf(HDC hdc, WinControl_t *pstControl, marquee_info_t *pstMarqInfo,
	PRECT pstBgRect, UINT32 dControlFlags);

/**
 * Destroy the foreground buffer of animation.
 *
 * @param hdc         Handle to a device context.
 * @param pstMarqInfo Pointer to a marquee information of target control.
 */
void GUIENG_DestroyMarqueeFgBuf(HDC hdc, marquee_info_t *pstMarqInfo);

/**
 * Destroy the bakcground of an animation/marquee.
 *
 * @param hdc     Handle to a device context.
 * @param pstControl  Pointer to a WinControl_t of the control.
 * @param pstMarqInfo Pointer to a marquee information of target control.
 */
void GUIENG_DestroyMarqueeBgBuf(HDC hdc, WinControl_t *pstControl, marquee_info_t *pstMarqInfo);


/**
 * Draw foreground text to perform marquee effect.
 *
 * @param hdc         Handle to the device context.
 * @param handle      Handle to the control.
 * @param marquee     Pointer to a marquee information.
 * @param wTextWidth  Width of area of foreground text.
 * @param pstBgColor  Background color of the specific text position.
 */
void GUIENG_DrawMarquee(HDC hdc, HWND handle, marquee_info_t *marquee, UINT16 wTextWidth, color_info_t *pstBgColor, INT32 *pBlockId);


/**************************************************************************/
/* Boolean functions.                                                     */
/**************************************************************************/
/**
 * Check if there exists transparent color in all states of the input color info
 *
 * @param eRgnFormat  Region format.
 * @param pstColor	  Colors of each state.
 * @return TRUE if it contains transparent color, FALSE otherwise.
 */
BOOLEAN GUIENG_ContainTransparentBg(PixelFormat_e eRgnFormat, color_info_t *pstColor);

/**
 * Check if there exists transparent color in a prog_color_t.
 *
 * @param eRgnFormat    Region format.
 * @param pstProgColor  Colors of each state of progress bar/scroll bar.
 * @return TRUE if it contains transparent color, FALSE otherwise.
 */
BOOLEAN GUIENG_ContainTransparentBarBg(PixelFormat_e eRgnFormat, prog_color_t *pstProgColor);

/**
 * Check if input parent control has child icon or not.
 *
 * @param parent  Handle of parent control
 * @return TRUE if it has at least one child icon, FALSE otherwise.
 */
BOOLEAN GUIENG_HasChildIcon(HWND parent);

/**
 * Perform height scaling only.
 *
 * @param stArea   Given area that needs to be scaling.
 * @param control  Control of a widget.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GUIENG_HeightScaling(PRECT stArea, WinControl_t *control);


/**
 * Perform width scaling only.
 *
 * @param stArea   Given area that needs to be scaling.
 * @param control  Control of a widget.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GUIENG_WidthScaling(PRECT stArea, WinControl_t *control);

/**
 * Perform area scaling.
 *
 * @param stArea   Given area that needs to be scaling.
 * @param control  Control of a widget.
 * @return GUI_SUCCESS if succeed, error codes otherwise.
 */
GUIResult_e GUIENG_AreaScaling(PRECT stArea, WinControl_t *control);

void	gel_WaitForMsgDone(void);
void	gel_WaitForSelfDone(HWND pHandle);


/**************************************************************************/
/* Move control related functions.                                        */
/**************************************************************************/
INT32 GUIENG_4Bpp_FillBmp(RECT stSrcRect, RECT stDstRect, PIMAGEHDR pstImgData, UINT8* u8OutBuffer, UINT32 u32OutBufferLen);
INT32 GUIENG_4Bpp_HasSideSize_Hrepeate(RECT stSrcRect, RECT stDstRect, PIMAGEHDR pstImgData, UINT32 side, UINT8* u8OutBuffer, UINT32 u32OutBufferLen);

void GUIENG_ChildScaling(HWND parent, RECT stChildPos[3]);
void GUIENG_ChildRestorePos(HWND handle, RECT stChildPos[3]);
INT32 text_GetHdc(HWND handle, HDC *hdc);
void GUIENG_DrawFocusedStrBorder(HWND handle, TextInfo_t *pstTextInfo);
void GUIENG_DrawFocusedBorder(HWND handle, RECT rect);
INT32 GUIENG_SateToIndex(INT32 state);
IMAGEHDR GUIENG_GetRepeatImageByID(HDC hdc, INT16 swIconId, UINT16 wSideSize, UINT32 dStyle, RECT destRect, PIMAGEHDR pTargetImage);
IMAGEHDR GUIENG_GetRepeatImage(PIMAGEHDR pSrcImage, UINT16 sideSize, UINT32 dStyle, RECT destRect, PIMAGEHDR pTargetImage);
#endif //#ifndef _GUIENG_UTIL