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3b33b1025e
This makes the code more readable than using e.g. `VidpScrollRegion[0]`, `VidpScrollRegion[1]` etc. instead of `VidpScrollRegion.Left`, `VidpScrollRegion.Top` respectively. Based on a suggestion by Dmitry Borisov.
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
/*
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* PROJECT: ReactOS Boot Video Driver
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Precompiled header
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* COPYRIGHT: Copyright 2007 Alex Ionescu <alex.ionescu@reactos.org>
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* Copyright 2020 Dmitry Borisov <di.sean@protonmail.com>
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* Copyright 2020 Stanislav Motylkov <x86corez@gmail.com>
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*/
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#pragma once
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#include <ntifs.h>
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#include <ndk/halfuncs.h>
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#include <drivers/bootvid/bootvid.h>
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/* Arch-specific includes */
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#if defined(_M_IX86) || defined(_M_AMD64)
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#if defined(SARCH_PC98)
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#include "i386/pc98/pc98.h"
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#elif defined(SARCH_XBOX)
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#include "i386/xbox/xbox.h"
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#else
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#include "i386/pc/vga.h"
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#include "i386/pc/pc.h"
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#endif
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#elif defined(_M_ARM)
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#include "arm/arm.h"
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#else
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#error Unknown architecture
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#endif
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/* Define if FontData has upside-down characters */
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#undef CHAR_GEN_UPSIDE_DOWN
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#define BOOTCHAR_HEIGHT 13
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#define BOOTCHAR_WIDTH 8 // Each character line is encoded in a UCHAR.
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/* Bitmap Header */
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typedef struct tagBITMAPINFOHEADER
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{
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ULONG biSize;
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LONG biWidth;
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LONG biHeight;
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USHORT biPlanes;
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USHORT biBitCount;
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ULONG biCompression;
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ULONG biSizeImage;
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LONG biXPelsPerMeter;
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LONG biYPelsPerMeter;
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ULONG biClrUsed;
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ULONG biClrImportant;
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} BITMAPINFOHEADER, *PBITMAPINFOHEADER;
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/* Supported bitmap compression formats */
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#define BI_RGB 0
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#define BI_RLE4 2
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typedef ULONG RGBQUAD;
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typedef struct _URECT
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{
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ULONG Left;
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ULONG Top;
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ULONG Right;
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ULONG Bottom;
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} URECT;
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/*
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* Globals
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*/
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extern UCHAR VidpTextColor;
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extern ULONG VidpCurrentX;
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extern ULONG VidpCurrentY;
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extern URECT VidpScrollRegion;
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extern const UCHAR VidpFontData[256 * BOOTCHAR_HEIGHT];
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extern const RGBQUAD VidpDefaultPalette[BV_MAX_COLORS];
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#define RGB(r, g, b) ((RGBQUAD)(((UCHAR)(b) | ((USHORT)((UCHAR)(g))<<8)) | (((ULONG)(UCHAR)(r))<<16)))
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#define GetRValue(quad) ((UCHAR)(((quad)>>16) & 0xFF))
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#define GetGValue(quad) ((UCHAR)(((quad)>>8) & 0xFF))
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#define GetBValue(quad) ((UCHAR)((quad) & 0xFF))
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#define InitializePalette() InitPaletteWithTable((PULONG)VidpDefaultPalette, BV_MAX_COLORS)
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#ifdef CHAR_GEN_UPSIDE_DOWN
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# define GetFontPtr(_Char) (&VidpFontData[(_Char) * BOOTCHAR_HEIGHT] + BOOTCHAR_HEIGHT - 1)
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# define FONT_PTR_DELTA (-1)
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#else
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# define GetFontPtr(_Char) (&VidpFontData[(_Char) * BOOTCHAR_HEIGHT])
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# define FONT_PTR_DELTA (1)
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#endif
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VOID
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PreserveRow(
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_In_ ULONG CurrentTop,
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_In_ ULONG TopDelta,
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_In_ BOOLEAN Restore);
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VOID
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DoScroll(
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_In_ ULONG Scroll);
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VOID
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DisplayCharacter(
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_In_ CHAR Character,
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_In_ ULONG Left,
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_In_ ULONG Top,
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_In_ ULONG TextColor,
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_In_ ULONG BackColor);
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VOID
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ResetDisplay(
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_In_ BOOLEAN SetMode);
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