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Reactos
1/*
2 * PROJECT: ReactOS Boot Video Driver
3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4 * PURPOSE: Precompiled header
5 * COPYRIGHT: Copyright 2007 Alex Ionescu <alex.ionescu@reactos.org>
6 * Copyright 2020 Dmitry Borisov <di.sean@protonmail.com>
7 * Copyright 2020 Stanislav Motylkov <x86corez@gmail.com>
8 */
9
10#pragma once
11
12#include <ntifs.h>
13#include <ndk/halfuncs.h>
14#include <drivers/bootvid/bootvid.h>
15
16/* Module-specific header */
17#ifdef MODULE_HEADER
18#include MODULE_HEADER
19#endif
20
21/* Define if FontData has upside-down characters */
22#undef CHAR_GEN_UPSIDE_DOWN
23
24#define BOOTCHAR_HEIGHT 13
25#define BOOTCHAR_WIDTH 8 // Each character line is encoded in a UCHAR.
26
27/* Bitmap Header */
28typedef struct tagBITMAPINFOHEADER
29{
30 ULONG biSize;
31 LONG biWidth;
32 LONG biHeight;
33 USHORT biPlanes;
34 USHORT biBitCount;
35 ULONG biCompression;
36 ULONG biSizeImage;
37 LONG biXPelsPerMeter;
38 LONG biYPelsPerMeter;
39 ULONG biClrUsed;
40 ULONG biClrImportant;
41} BITMAPINFOHEADER, *PBITMAPINFOHEADER;
42
43/* Supported bitmap compression formats */
44#define BI_RGB 0
45#define BI_RLE4 2
46
47typedef ULONG RGBQUAD;
48
49typedef struct _URECT
50{
51 ULONG Left;
52 ULONG Top;
53 ULONG Right;
54 ULONG Bottom;
55} URECT;
56
57/*
58 * Globals
59 */
60extern UCHAR VidpTextColor;
61extern ULONG VidpCurrentX;
62extern ULONG VidpCurrentY;
63extern URECT VidpScrollRegion;
64extern const UCHAR VidpFontData[256 * BOOTCHAR_HEIGHT];
65extern const RGBQUAD VidpDefaultPalette[BV_MAX_COLORS];
66
67#define RGB(r, g, b) ((RGBQUAD)(((UCHAR)(b) | ((USHORT)((UCHAR)(g))<<8)) | (((ULONG)(UCHAR)(r))<<16)))
68
69#define GetRValue(quad) ((UCHAR)(((quad)>>16) & 0xFF))
70#define GetGValue(quad) ((UCHAR)(((quad)>>8) & 0xFF))
71#define GetBValue(quad) ((UCHAR)((quad) & 0xFF))
72
73#define InitializePalette() InitPaletteWithTable((PULONG)VidpDefaultPalette, BV_MAX_COLORS)
74
75#ifdef CHAR_GEN_UPSIDE_DOWN
76# define GetFontPtr(_Char) (&VidpFontData[(_Char) * BOOTCHAR_HEIGHT] + BOOTCHAR_HEIGHT - 1)
77# define FONT_PTR_DELTA (-1)
78#else
79# define GetFontPtr(_Char) (&VidpFontData[(_Char) * BOOTCHAR_HEIGHT])
80# define FONT_PTR_DELTA (1)
81#endif
82
83
84VOID
85PreserveRow(
86 _In_ ULONG CurrentTop,
87 _In_ ULONG TopDelta,
88 _In_ BOOLEAN Restore);
89
90VOID
91DoScroll(
92 _In_ ULONG Scroll);
93
94VOID
95DisplayCharacter(
96 _In_ CHAR Character,
97 _In_ ULONG Left,
98 _In_ ULONG Top,
99 _In_ ULONG TextColor,
100 _In_ ULONG BackColor);
101
102VOID
103ResetDisplay(
104 _In_ BOOLEAN SetMode);