/*
 * refit/screen.h
 * Screen management header file
 *
 * Copyright (c) 2006-2009 Christoph Pfisterer
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 *  * Neither the name of Christoph Pfisterer nor the names of the
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __SCREEN_H_
#define __SCREEN_H_

#ifdef __MAKEWITH_GNUEFI
#include "efi.h"
#include "efilib.h"
#else
#include "../include/tiano_includes.h"
#endif

#include "libeg.h"

//
// screen module
//

#define DONT_CHANGE_TEXT_MODE 1024 /* textmode # that's a code to not change the text mode */

#define ATTR_BASIC (EFI_LIGHTGRAY | EFI_BACKGROUND_BLACK)
#define ATTR_ERROR (EFI_YELLOW | EFI_BACKGROUND_BLACK)
#define ATTR_BANNER (EFI_WHITE | EFI_BACKGROUND_BLUE)
#define ATTR_CHOICE_BASIC ATTR_BASIC
#define ATTR_CHOICE_CURRENT (EFI_WHITE | EFI_BACKGROUND_GREEN)
#define ATTR_SCROLLARROW (EFI_LIGHTGREEN | EFI_BACKGROUND_BLACK)

//#define LAYOUT_TEXT_WIDTH (512)
//#define LAYOUT_TEXT_WIDTH (425)
#define LAYOUT_BANNER_YGAP 32

//#define FONT_CELL_WIDTH (7)
//#define FONT_CELL_HEIGHT (12)

// Codes for text position, used by egDisplayMessage() and PrintUglyText()
#define CENTER 0
#define BOTTOM 1
#define TOP 2
#define NEXTLINE 3

extern UINTN ConWidth;
extern UINTN ConHeight;
extern CHAR16 *BlankLine;

extern UINTN UGAWidth;
extern UINTN UGAHeight;
extern BOOLEAN AllowGraphicsMode;

extern EG_PIXEL StdBackgroundPixel;
extern EG_PIXEL MenuBackgroundPixel;

VOID InitScreen(VOID);
VOID SetupScreen(VOID);
VOID BeginTextScreen(IN CHAR16 *Title);
VOID FinishTextScreen(IN BOOLEAN WaitAlways);
VOID BeginExternalScreen(IN BOOLEAN UseGraphicsMode, IN CHAR16 *Title);
VOID FinishExternalScreen(VOID);
VOID TerminateScreen(VOID);
VOID DrawScreenHeader(IN CHAR16 *Title);

#if REFIT_DEBUG > 0
VOID DebugPause(VOID);
#else
#define DebugPause()
#endif
VOID EndlessIdleLoop(VOID);
BOOLEAN ReadAllKeyStrokes(VOID);
VOID PrintUglyText(IN CHAR16 *Text, UINTN PositionCode);
VOID PauseForKey(VOID);
VOID PauseSeconds(UINTN Seconds);

BOOLEAN CheckFatalError(IN EFI_STATUS Status, IN CHAR16 *where);
BOOLEAN CheckError(IN EFI_STATUS Status, IN CHAR16 *where);

VOID SwitchToText(IN BOOLEAN CursorEnabled);
VOID SwitchToGraphics(VOID);

VOID SwitchToGraphicsAndClear(VOID);
VOID BltClearScreen(IN BOOLEAN ShowBanner);
VOID BltImage(IN EG_IMAGE *Image, IN UINTN XPos, IN UINTN YPos);
VOID BltImageAlpha(IN EG_IMAGE *Image, IN UINTN XPos, IN UINTN YPos, IN EG_PIXEL *BackgroundPixel);
//VOID BltImageComposite(IN EG_IMAGE *BaseImage, IN EG_IMAGE *TopImage, IN UINTN XPos, IN UINTN YPos);
VOID BltImageCompositeBadge(IN EG_IMAGE *BaseImage, IN EG_IMAGE *TopImage, IN EG_IMAGE *BadgeImage, IN UINTN XPos, IN UINTN YPos);

#endif
