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[NTOSKRNL]

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Reintroduce the long-awaited boot-logo fading-in, removed since ReactOS 0.3.3 due to bootvid / inbv refactoring. Code taken from the old (ie. pre-ReactOS 0.3.3) bootvid.

svn path=/trunk/; revision=57855
This commit is contained in:
Hermès Bélusca-Maïto 2012-12-09 21:43:51 +00:00
parent 7b562bf5e5
commit 4c55745faf
1 changed files with 121 additions and 19 deletions
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140
reactos/ntoskrnl/inbv/inbv.c
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@ -24,6 +24,92 @@ ROT_BAR_TYPE RotBarSelection;
ULONG PltRotBarStatus;
BT_PROGRESS_INDICATOR InbvProgressIndicator = {0, 25, 0};
/* FADING FUNCTION ***********************************************************/
/** From include/psdk/wingdi.h **/
typedef struct tagRGBQUAD
{
UCHAR rgbBlue;
UCHAR rgbGreen;
UCHAR rgbRed;
UCHAR rgbReserved;
} RGBQUAD,*LPRGBQUAD;
/*******************************/
static RGBQUAD _MainPalette[16];
#define PALETTE_FADE_STEPS 15
#define PALETTE_FADE_TIME 20 * 10000 /* 20ms */
/** From bootvid/precomp.h **/
//
// Bitmap Header
//
typedef struct tagBITMAPINFOHEADER
{
ULONG biSize;
LONG biWidth;
LONG biHeight;
USHORT biPlanes;
USHORT biBitCount;
ULONG biCompression;
ULONG biSizeImage;
LONG biXPelsPerMeter;
LONG biYPelsPerMeter;
ULONG biClrUsed;
ULONG biClrImportant;
} BITMAPINFOHEADER, *PBITMAPINFOHEADER;
/****************************/
static VOID
NTAPI
BootImageFadeProc(VOID)
{
UCHAR PaletteBitmapBuffer[sizeof(BITMAPINFOHEADER) + sizeof(_MainPalette)];
PBITMAPINFOHEADER PaletteBitmap = (PBITMAPINFOHEADER)PaletteBitmapBuffer;
LPRGBQUAD Palette = (LPRGBQUAD)(PaletteBitmapBuffer + sizeof(BITMAPINFOHEADER));
ULONG Iteration, Index, ClrUsed;
LARGE_INTEGER Interval;
Interval.QuadPart = -PALETTE_FADE_TIME;
/*
* Build a bitmap containing the fade in palette. The palette entries
* are then processed in a loop and set using VidBitBlt function.
*/
ClrUsed = sizeof(_MainPalette) / sizeof(_MainPalette[0]);
RtlZeroMemory(PaletteBitmap, sizeof(BITMAPINFOHEADER));
PaletteBitmap->biSize = sizeof(BITMAPINFOHEADER);
PaletteBitmap->biBitCount = 4;
PaletteBitmap->biClrUsed = ClrUsed;
/*
* Main animation loop.
*/
for (Iteration = 0; Iteration <= PALETTE_FADE_STEPS; ++Iteration)
{
for (Index = 0; Index < ClrUsed; Index++)
{
Palette[Index].rgbRed =
_MainPalette[Index].rgbRed * Iteration / PALETTE_FADE_STEPS;
Palette[Index].rgbGreen =
_MainPalette[Index].rgbGreen * Iteration / PALETTE_FADE_STEPS;
Palette[Index].rgbBlue =
_MainPalette[Index].rgbBlue * Iteration / PALETTE_FADE_STEPS;
}
VidBitBlt(PaletteBitmapBuffer, 0, 0);
/* Wait for a bit. */
KeDelayExecutionThread(KernelMode, FALSE, &Interval);
}
/* Wait for a bit. */
KeDelayExecutionThread(KernelMode, FALSE, &Interval);
}
/* FUNCTIONS *****************************************************************/
PVOID
@ -267,12 +353,11 @@ InbvDisplayString(IN PCHAR String)
if (InbvBootDriverInstalled) VidDisplayString((PUCHAR) String);
/* Print the string on the EMS port */
HeadlessDispatch(
HeadlessCmdPutString,
String,
strlen(String) + sizeof(ANSI_NULL),
NULL,
NULL);
HeadlessDispatch(HeadlessCmdPutString,
String,
strlen(String) + sizeof(ANSI_NULL),
NULL,
NULL);
/* Release the lock */
InbvReleaseLock();
@ -578,10 +663,13 @@ NTAPI
INIT_FUNCTION
DisplayBootBitmap(IN BOOLEAN TextMode)
{
PBITMAPINFOHEADER BitmapInfoHeader;
LPRGBQUAD Palette;
PVOID Header, Band, Text, Screen;
ROT_BAR_TYPE TempRotBarSelection = RB_UNSPECIFIED;
UCHAR Buffer[64];
// UCHAR Buffer[64];
/* Check if the system thread has already been created */
if (SysThreadCreated)
{
@ -665,19 +753,32 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
/* Server product, display appropriate status bar color */
InbvGetResourceAddress(IDB_BAR_SERVER);
}
/* Make sure we had a logo */
if (Screen)
{
/* Choose progress bar */
TempRotBarSelection = RB_SQUARE_CELLS;
/*
* Save the main image palette and replace it with black palette, so
* we can do fade in effect later.
*/
BitmapInfoHeader = (PBITMAPINFOHEADER)Screen;
Palette = (LPRGBQUAD)((PUCHAR)Screen + BitmapInfoHeader->biSize);
RtlCopyMemory(_MainPalette, Palette, sizeof(_MainPalette));
RtlZeroMemory(Palette, sizeof(_MainPalette));
/* Blit the background */
InbvBitBlt(Screen, 0, 0);
/* Set progress bar coordinates and display it */
InbvSetProgressBarCoordinates(257, 352);
/* Display the boot logo and fade it in */
BootImageFadeProc();
#if 0
/* Check for non-workstation products */
if (SharedUserData->NtProductType != NtProductWinNt)
{
@ -689,16 +790,17 @@ DisplayBootBitmap(IN BOOLEAN TextMode)
/* In setup mode, you haven't selected a SKU yet */
if (ExpInTextModeSetup) Text = NULL;
}
}
/* Draw the SKU text if it exits */
if (Text) InbvBitBlt(Text, 180, 121);
/* Draw the progress bar bit */
// if (Bar) InbvBitBlt(Bar, 0, 0);
#endif
}
/* Set filter which will draw text display if needed */
InbvInstallDisplayStringFilter(DisplayFilter);
/* Draw the SKU text if it exits */
// if (Text) InbvBitBlt(Text, 180, 121);
/* Draw the progress bar bit */
// if (Bar) InbvBitBlt(Bar, 0, 0);
/* Set filter which will draw text display if needed */
InbvInstallDisplayStringFilter(DisplayFilter);
}
/* Do we have a system thread? */