Source code of Windows XP (NT5)
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271 lines
8.2 KiB

#include "bldrx86.h"
#include "vmode.h"
#include "vga.h"
#define SCREEN_WIDTH (640) /* gfx mode resolution: width */
#define SCREEN_HEIGHT (480) /* gfx mode resolution: height */
#define SCREEN_PIXELS (SCREEN_WIDTH * SCREEN_HEIGHT)
#define VGA_ADR ((UCHAR*)0xA0000) /* beginning of VGA memory */
#define LINE_MEM_LENGTH (SCREEN_WIDTH / 8) /* 1 bit per pixel in every map */
#define MAP_PAGE_SZ (64*1024) /* size of single map */
#define PROGRESS_BAR_MEM_OFS (LINE_MEM_LENGTH * (SCREEN_HEIGHT - 40)) /* starts at 20th line from the bottom */
#define BOOTBMP_FNAME "boot.bmp"
#define DOTSBMP_FNAME "dots.bmp"
BOOLEAN DisplayLogoOnBoot = FALSE;
BOOLEAN GraphicsMode = FALSE;
VOID
GrDisplayMBCSChar(
IN PUCHAR image,
IN unsigned width,
IN UCHAR top,
IN UCHAR bottom
);
extern unsigned CharacterImageHeight;
extern BOOLEAN BlShowProgressBar;
extern int BlMaxFilesToLoad;
extern int BlNumFilesLoaded;
NTLDRGRAPHICSCONTEXT LoaderGfxContext = {0,0L,0L,0L,NULL /*,EINVAL,EINVAL*/};
#define DIAMETER (6)
VOID BlRedrawGfxProgressBar(VOID) // Redraws the progress bar (with the last percentage)
{
if (BlShowProgressBar && BlMaxFilesToLoad) {
BlUpdateProgressBar((BlNumFilesLoaded * 100) / BlMaxFilesToLoad);
}
}
#define BMP_FILE_SIZE (1024*1024)
#define SMALL_BMP_SIZE (1024)
UCHAR empty_circle [SMALL_BMP_SIZE];
UCHAR simple_circle [SMALL_BMP_SIZE];
UCHAR left_2_circles [SMALL_BMP_SIZE];
UCHAR left_3_circles [SMALL_BMP_SIZE];
UCHAR left_4_circles [SMALL_BMP_SIZE];
UCHAR right_2_circles [SMALL_BMP_SIZE];
UCHAR right_3_circles [SMALL_BMP_SIZE];
UCHAR right_4_circles [SMALL_BMP_SIZE];
#define DOT_WIDTH (13)
#define DOT_HEIGHT (13)
#define DOT_BLANK (7)
#define PROGRESS_BAR_Y_OFS (340)
#define PROGRESS_BAR_X_OFS (130)
#define DOTS_IN_PBAR (20)
#define BITS(w) ((w)*4)
#define BYTES(b) (((b)/8)+(((b)%8)?1:0))
#define DOTS(n) (((n)*DOT_WIDTH)+(((n)-1)*DOT_BLANK))
#define DOTS2BYTES(n) (BYTES(BITS(DOTS(n))))
#define SCANLINE (7)
// #define INC_MOD(x) x = (x + 1) % (DOTS_IN_PBAR+5)
#define INC_MOD(x) x = (x + 1)
VOID PrepareGfxProgressBar (VOID)
{
ULONG i=0;
if (DisplayLogoOnBoot) {
PaletteOff ();
/*
VidBitBlt (LoaderGfxContext.DotBuffer + sizeof(BITMAPFILEHEADER), 0, 0);
VidScreenToBufferBlt (simple_circle, 0, 0, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
VidScreenToBufferBlt (left_2_circles, 0, 0, DOTS(2), DOT_HEIGHT, DOTS2BYTES(2));
VidScreenToBufferBlt (left_3_circles, 0, 0, DOTS(3), DOT_HEIGHT, DOTS2BYTES(3));
VidScreenToBufferBlt (left_4_circles, 0, 0, DOTS(4), DOT_HEIGHT, DOTS2BYTES(4));
VidScreenToBufferBlt (right_2_circles, 3*(DOT_WIDTH+DOT_BLANK), 0, DOTS(2), DOT_HEIGHT, DOTS2BYTES(2));
VidScreenToBufferBlt (right_3_circles, 2*(DOT_WIDTH+DOT_BLANK), 0, DOTS(3), DOT_HEIGHT, DOTS2BYTES(3));
VidScreenToBufferBlt (right_4_circles, DOT_WIDTH+DOT_BLANK, 0, DOTS(4), DOT_HEIGHT, DOTS2BYTES(4));
*/
DrawBitmap ();
// VidScreenToBufferBlt (empty_circle, PROGRESS_BAR_X_OFS, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
PaletteOn();
}
}
VOID BlUpdateGfxProgressBar(ULONG fPercentage)
{
static ULONG current = 0;
static ULONG delay = 5;
ULONG i = 0;
ULONG x, xl;
ULONG dots = fPercentage; // (fPercentage * (DOTS_IN_PBAR+5)) / 100;
/*
if (delay && delay--)
return;
if (DisplayLogoOnBoot && (current<(DOTS_IN_PBAR+5))) {
x = PROGRESS_BAR_X_OFS + ((current-5) * (DOT_WIDTH+DOT_BLANK));
switch (current) {
case 0:
VidBufferToScreenBlt (simple_circle, PROGRESS_BAR_X_OFS, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
case 1:
VidBufferToScreenBlt (right_2_circles, PROGRESS_BAR_X_OFS, PROGRESS_BAR_Y_OFS, DOTS(2), DOT_HEIGHT, DOTS2BYTES(2));
break;
case 2:
VidBufferToScreenBlt (right_3_circles, PROGRESS_BAR_X_OFS, PROGRESS_BAR_Y_OFS, DOTS(3), DOT_HEIGHT, DOTS2BYTES(3));
break;
case 3:
VidBufferToScreenBlt (right_4_circles, PROGRESS_BAR_X_OFS, PROGRESS_BAR_Y_OFS, DOTS(4), DOT_HEIGHT, DOTS2BYTES(4));
break;
case DOTS_IN_PBAR:
xl = PROGRESS_BAR_X_OFS + ((DOTS_IN_PBAR-4) * (DOT_WIDTH+DOT_BLANK));
VidBufferToScreenBlt (left_4_circles, xl, PROGRESS_BAR_Y_OFS, DOTS(4), DOT_HEIGHT, DOTS2BYTES(4));
VidBufferToScreenBlt (empty_circle, x, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
case DOTS_IN_PBAR+1:
xl = PROGRESS_BAR_X_OFS + ((DOTS_IN_PBAR-3) * (DOT_WIDTH+DOT_BLANK));
VidBufferToScreenBlt (left_3_circles, xl, PROGRESS_BAR_Y_OFS, DOTS(3), DOT_HEIGHT, DOTS2BYTES(3));
VidBufferToScreenBlt (empty_circle, x, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
case DOTS_IN_PBAR+2:
xl = PROGRESS_BAR_X_OFS + ((DOTS_IN_PBAR-2) * (DOT_WIDTH+DOT_BLANK));
VidBufferToScreenBlt (left_2_circles, xl, PROGRESS_BAR_Y_OFS, DOTS(2), DOT_HEIGHT, DOTS2BYTES(2));
VidBufferToScreenBlt (empty_circle, x, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
case DOTS_IN_PBAR+3:
xl = PROGRESS_BAR_X_OFS + ((DOTS_IN_PBAR-1) * (DOT_WIDTH+DOT_BLANK));
VidBufferToScreenBlt (simple_circle, xl, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
VidBufferToScreenBlt (empty_circle, x, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
case DOTS_IN_PBAR+4:
VidBufferToScreenBlt (empty_circle, x, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
default:
xl = PROGRESS_BAR_X_OFS + ((current-4) * (DOT_WIDTH+DOT_BLANK));
VidBitBlt (LoaderGfxContext.DotBuffer + sizeof(BITMAPFILEHEADER), xl, PROGRESS_BAR_Y_OFS);
VidBufferToScreenBlt (empty_circle, x, PROGRESS_BAR_Y_OFS, DOTS(1), DOT_HEIGHT, DOTS2BYTES(1));
break;
}
INC_MOD(current);
}
*/
}
PUCHAR LoadBitmapFile (IN ULONG DriveId, PCHAR path)
{
ULONG bmp_file = -1;
ULONG file_size, size_read, page_count, actual_base;
FILE_INFORMATION FileInfo;
ARC_STATUS status = EINVAL;
PUCHAR buffer = NULL;
status = BlOpen (DriveId, path, ArcOpenReadOnly, &bmp_file);
if (status==ESUCCESS) { // file opened Ok
status = BlGetFileInformation(bmp_file, &FileInfo);
if (status == ESUCCESS) {
file_size = FileInfo.EndingAddress.LowPart;
page_count = (ULONG)(ROUND_TO_PAGES(file_size) >> PAGE_SHIFT);
status = BlAllocateDescriptor ( MemoryFirmwareTemporary,
0,
page_count,
&actual_base);
if (status == ESUCCESS) {
buffer = (PCHAR)((ULONG_PTR)actual_base << PAGE_SHIFT);
status = BlRead(bmp_file, buffer, file_size, &size_read);
}
} // getting file information
BlClose(bmp_file);
} // file opening
return buffer;
}
VOID PaletteOff (VOID)
{
if (DisplayLogoOnBoot) {
InitPaletteConversionTable();
InitPaletteWithBlack ();
}
}
VOID PaletteOn (VOID)
{
if (DisplayLogoOnBoot) {
InitPaletteConversionTable();
InitPaletteWithTable(LoaderGfxContext.Palette, LoaderGfxContext.ColorsUsed);
}
}
VOID LoadBootLogoBitmap (IN ULONG DriveId, PCHAR path) // Loads ntldr bitmap and initializes
{ // loader graphics context.
PBITMAPINFOHEADER bih;
CHAR path_fname [256];
while (*path !='\\')
path++;
strcpy (path_fname, path);
strcat (path_fname, "\\" BOOTBMP_FNAME);
LoaderGfxContext.BmpBuffer = LoadBitmapFile (DriveId, path_fname);
// read bitmap palette
if (LoaderGfxContext.BmpBuffer != NULL) { // bitmap data read Ok
bih = (PBITMAPINFOHEADER) (LoaderGfxContext.BmpBuffer + sizeof(BITMAPFILEHEADER));
LoaderGfxContext.Palette = (PRGBQUAD)(((PUCHAR)bih) + bih->biSize);
LoaderGfxContext.ColorsUsed = bih->biClrUsed ? bih->biClrUsed : 16;
/*
strcpy (path_fname, path);
strcat (path_fname, "\\" DOTSBMP_FNAME);
LoaderGfxContext.DotBuffer = LoadBitmapFile (DriveId, path_fname);
*/
}
DisplayLogoOnBoot = (LoaderGfxContext.BmpBuffer!=NULL) &&
// (LoaderGfxContext.DotBuffer!=NULL) &&
(LoaderGfxContext.Palette!=NULL);
}
VOID DrawBitmap (VOID)
{
if (DisplayLogoOnBoot)
VidBitBlt (LoaderGfxContext.BmpBuffer + sizeof(BITMAPFILEHEADER), 0, 0);
}