mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
503 lines
14 KiB
503 lines
14 KiB
/*++
|
|
|
|
Copyright (c) 1993 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
fefont.c
|
|
|
|
Abstract:
|
|
|
|
Text setup display support for FarEast text output.
|
|
|
|
Author:
|
|
|
|
Hideyuki Nagase (hideyukn) 01-July-1994
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#include <precomp.h>
|
|
#pragma hdrstop
|
|
|
|
#define FE_FONT_FILE_NAME L"BOOTFONT.BIN"
|
|
|
|
//
|
|
// FontFile image information
|
|
//
|
|
PVOID pvFontFileView = NULL;
|
|
ULONG ulFontFileSize = 0L;
|
|
BOOLEAN FontFileViewAllocated = FALSE;
|
|
|
|
//
|
|
// Font Glyph information
|
|
//
|
|
BOOTFONTBIN_HEADER BootFontHeader;
|
|
PUCHAR SbcsImages;
|
|
PUCHAR DbcsImages;
|
|
|
|
//
|
|
// Graphics Character image 19x8.
|
|
//
|
|
UCHAR GraphicsCharImage[0x20][19] = {
|
|
/* 0x00 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x01 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0xDF,
|
|
0xD8, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x02 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x03, 0xFB,
|
|
0x1B, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x03 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xD8, 0xDF,
|
|
0xC0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x04 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x1B, 0xFB,
|
|
0x03, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x05 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB,
|
|
0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x06 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
|
|
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x07 */ { 0xFF, 0xFF, 0xFF, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7,
|
|
0xF7, 0xF7, 0xF7, 0xC1, 0xE3, 0xE3, 0xF7, 0xFF, 0xFF, 0xFF },
|
|
/* 0x08 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x09 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xDB, 0xDB, 0xBD,
|
|
0xBD, 0xBD, 0xBD, 0xDB, 0xDB, 0xE7, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x0a */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x0b */ { 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x7D, 0x39, 0x55, 0x55,
|
|
0x6D, 0x6D, 0x55, 0x55, 0x39, 0x7D, 0x01, 0xFF, 0xFF, 0xFF },
|
|
/* 0x0c */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x0d */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x0e */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x01, 0x01, 0x01,
|
|
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0xFF, 0xFF },
|
|
/* 0x0f */ { 0xFF, 0xFF, 0xFF, 0xB6, 0xB6, 0xD5, 0xC9, 0xEB, 0xDD,
|
|
0x1C, 0xDD, 0xEB, 0xC9, 0xD5, 0xB6, 0xB6, 0xFF, 0xFF, 0xFF },
|
|
/* 0x10 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x18, 0xFF,
|
|
0x18, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x11 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x12 */ { 0xFF, 0xFF, 0xFF, 0xF7, 0xE3, 0xE3, 0xC1, 0xF7, 0xF7,
|
|
0xF7, 0xF7, 0xF7, 0xC1, 0xE3, 0xE3, 0xF7, 0xFF, 0xFF, 0xFF },
|
|
/* 0x13 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x14 */ { 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55,
|
|
0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55 },
|
|
/* 0x15 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x18, 0xFF,
|
|
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x16 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
|
|
0x18, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x17 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0x1B, 0xFB,
|
|
0x1B, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x18 */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
|
|
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x19 */ { 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xD8, 0xDF,
|
|
0xD8, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB, 0xDB },
|
|
/* 0x1a */ { 0xFF, 0xFF, 0xAA, 0xFF, 0x55, 0xFF, 0xAA, 0xFF, 0x55,
|
|
0xFF, 0xAA, 0xFF, 0x55, 0xFF, 0xAA, 0xFF, 0x55, 0xFF, 0xAA },
|
|
/* 0x1b */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFD, 0xFD, 0xFD, 0xFD, 0xDD,
|
|
0x9D, 0x01, 0x9F, 0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x1c */ { 0xFF, 0xFF, 0xFF, 0xF7, 0xE3, 0xE3, 0xC1, 0xF7, 0xF7,
|
|
0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xFF, 0xFF, 0xFF },
|
|
/* 0x1d */ { 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7,
|
|
0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7 },
|
|
/* 0x1e */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFB,
|
|
0xF9, 0x80, 0xF9, 0xfB, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF },
|
|
/* 0x1f */ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xDF,
|
|
0x9F, 0x01, 0x9F, 0xDF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
|
|
};
|
|
|
|
BOOLEAN
|
|
FEDbcsFontInitGlyphs(
|
|
IN PCWSTR BootDevicePath,
|
|
IN PCWSTR DirectoryOnBootDevice,
|
|
IN PVOID BootFontImage OPTIONAL,
|
|
IN ULONG BootFontImageLength OPTIONAL
|
|
)
|
|
{
|
|
WCHAR NtFEFontPath[129];
|
|
BOOLEAN bRet;
|
|
NTSTATUS NtStatus;
|
|
PVOID pvFontFileOnDisk = NULL;
|
|
HANDLE hFontFile = 0 ,
|
|
hFontSection = 0;
|
|
|
|
if (BootFontImage && BootFontImageLength) {
|
|
//
|
|
// Use the loader passed bootfont.bin image as it is (if one exists)
|
|
//
|
|
pvFontFileView = BootFontImage;
|
|
ulFontFileSize = BootFontImageLength;
|
|
FontFileViewAllocated = FALSE;
|
|
} else {
|
|
//
|
|
// Build FontFile path.
|
|
//
|
|
wcscpy( NtFEFontPath,BootDevicePath);
|
|
|
|
if( NtFEFontPath[ wcslen(NtFEFontPath) - 1 ] != L'\\' )
|
|
{
|
|
wcscat( NtFEFontPath , L"\\" );
|
|
}
|
|
|
|
wcscat( NtFEFontPath , FE_FONT_FILE_NAME );
|
|
|
|
//
|
|
// Check the font is exist
|
|
//
|
|
bRet = SpFileExists( NtFEFontPath , FALSE );
|
|
|
|
if( !bRet ) {
|
|
|
|
//
|
|
// It's not in the root of our BootDevice. Check the
|
|
// DirectoryOnBootDevice path too before we fail.
|
|
//
|
|
|
|
wcscpy( NtFEFontPath,BootDevicePath);
|
|
wcscat( NtFEFontPath,DirectoryOnBootDevice);
|
|
|
|
if( NtFEFontPath[ wcslen(NtFEFontPath) - 1 ] != L'\\' )
|
|
{
|
|
wcscat( NtFEFontPath , L"\\" );
|
|
}
|
|
|
|
wcscat( NtFEFontPath , FE_FONT_FILE_NAME );
|
|
|
|
//
|
|
// Check the font is exist
|
|
//
|
|
bRet = SpFileExists( NtFEFontPath , FALSE );
|
|
|
|
if( !bRet ) {
|
|
KdPrint(("SETUP:FarEast font file (%ws) is not exist\n",NtFEFontPath));
|
|
return( FALSE );
|
|
}
|
|
}
|
|
|
|
//
|
|
// Read and Map fontfile into Memory.
|
|
//
|
|
NtStatus = SpOpenAndMapFile(
|
|
NtFEFontPath , // IN PWSTR FileName,
|
|
&hFontFile , // OUT PHANDLE FileHandle,
|
|
&hFontSection , // OUT PHANDLE SectionHandle,
|
|
&pvFontFileOnDisk , // OUT PVOID *ViewBase,
|
|
&ulFontFileSize , // OUT PULONG FileSize,
|
|
FALSE // IN BOOLEAN WriteAccess
|
|
);
|
|
|
|
if( !NT_SUCCESS(NtStatus) ) {
|
|
KdPrint(("SETUP:Fail to map FontFile\n"));
|
|
return( FALSE );
|
|
}
|
|
|
|
KdPrint(("FONTFILE ON DISK CHECK\n"));
|
|
KdPrint((" pvFontFileView - %x\n",pvFontFileOnDisk));
|
|
KdPrint((" ulFontFileSize - %d\n",ulFontFileSize));
|
|
|
|
//
|
|
// Allocate buffer for FontFile image.
|
|
//
|
|
pvFontFileView = SpMemAlloc( ulFontFileSize );
|
|
|
|
FontFileViewAllocated = TRUE;
|
|
|
|
//
|
|
// Copy image to local beffer
|
|
//
|
|
RtlCopyMemory( pvFontFileView , pvFontFileOnDisk , ulFontFileSize );
|
|
|
|
//
|
|
// Unmap/Close fontfile.
|
|
//
|
|
SpUnmapFile( hFontSection , pvFontFileOnDisk );
|
|
ZwClose( hFontFile );
|
|
}
|
|
|
|
KdPrint(("FONTFILE ON MEMORY CHECK\n"));
|
|
KdPrint((" pvFontFileView - %x\n",pvFontFileView));
|
|
KdPrint((" ulFontFileSize - %d\n",ulFontFileSize));
|
|
|
|
//
|
|
// Check fontfile validation (at least, we should have font header).
|
|
//
|
|
if( ulFontFileSize < sizeof(BOOTFONTBIN_HEADER) )
|
|
{
|
|
KdPrint(("SETUPDD:FontFile Size < sizeof(BOOTFONTBIN_HEADER)\n"));
|
|
return( FALSE );
|
|
}
|
|
|
|
//
|
|
// Copy header to local...
|
|
//
|
|
RtlCopyMemory((PCHAR)&BootFontHeader,
|
|
(PCHAR)pvFontFileView,
|
|
sizeof(BOOTFONTBIN_HEADER));
|
|
|
|
//
|
|
// Check font signature.
|
|
//
|
|
if( BootFontHeader.Signature != BOOTFONTBIN_SIGNATURE )
|
|
{
|
|
KdPrint(("SETUPDD:Invalid font signature.\n"));
|
|
return( FALSE );
|
|
}
|
|
|
|
SbcsImages = (PUCHAR)pvFontFileView + BootFontHeader.SbcsOffset;
|
|
DbcsImages = (PUCHAR)pvFontFileView + BootFontHeader.DbcsOffset;
|
|
|
|
//
|
|
// Dump Physical FontGlyph information
|
|
//
|
|
KdPrint(("FONT GLYPH INFORMATION\n"));
|
|
KdPrint((" LanguageId - %d\n",BootFontHeader.LanguageId));
|
|
KdPrint((" Width(S) - %d\n",BootFontHeader.CharacterImageSbcsWidth));
|
|
KdPrint((" Width(D) - %d\n",BootFontHeader.CharacterImageDbcsWidth));
|
|
KdPrint((" Height - %d\n",BootFontHeader.CharacterImageHeight));
|
|
KdPrint((" TopPad - %d\n",BootFontHeader.CharacterTopPad));
|
|
KdPrint((" BottomPad - %d\n",BootFontHeader.CharacterBottomPad));
|
|
KdPrint((" SbcsOffset - %x\n",BootFontHeader.SbcsOffset));
|
|
KdPrint((" DbcsOffset - %x\n",BootFontHeader.DbcsOffset));
|
|
KdPrint((" SbcsImages - %x\n",SbcsImages));
|
|
KdPrint((" DbcsImages - %x\n",DbcsImages));
|
|
|
|
//
|
|
// Check Language ID..
|
|
//
|
|
switch (BootFontHeader.LanguageId) {
|
|
case 0x411: // Japan
|
|
FEFontDefaultChar = 0x8140;
|
|
break;
|
|
case 0x404: // Taiwan
|
|
case 0x804: // PRC
|
|
case 0x412: // Korea
|
|
FEFontDefaultChar = 0xa1a1;
|
|
break;
|
|
default: // Illigal language Id
|
|
KdPrint(("SETUPDD:Invalid Language ID\n"));
|
|
return( FALSE );
|
|
}
|
|
|
|
//
|
|
// Check font file size, more strictly..
|
|
//
|
|
if( ulFontFileSize < (sizeof(BOOTFONTBIN_HEADER) +
|
|
BootFontHeader.SbcsEntriesTotalSize +
|
|
BootFontHeader.DbcsEntriesTotalSize) ) {
|
|
KdPrint(("SETUPDD:Invalid file size\n"));
|
|
return( FALSE );
|
|
}
|
|
|
|
//
|
|
// Check font image size... SBCS 16x8 : DBCS 16x16.
|
|
//
|
|
if( (BootFontHeader.CharacterImageSbcsWidth != 8 ) ||
|
|
(BootFontHeader.CharacterImageDbcsWidth != 16 ) ||
|
|
(BootFontHeader.CharacterImageHeight != 16 ) ) {
|
|
KdPrint(("SETUPDD:Invalid font size\n"));
|
|
return( FALSE );
|
|
}
|
|
|
|
KdPrint(("Everything is well done...\n"));
|
|
return( TRUE );
|
|
}
|
|
|
|
VOID
|
|
FEDbcsFontFreeGlyphs(
|
|
VOID
|
|
)
|
|
{
|
|
if (FontFileViewAllocated) {
|
|
SpMemFree(pvFontFileView);
|
|
}
|
|
}
|
|
|
|
PUCHAR
|
|
DbcsFontGetDbcsFontChar(
|
|
USHORT Code
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Gets the font image for DBCS char.
|
|
|
|
Arguments:
|
|
|
|
Code - DBCS char code.
|
|
|
|
Return Value:
|
|
|
|
Pointer to font image, or else NULL.
|
|
|
|
--*/
|
|
|
|
{
|
|
int Min,Max,Mid;
|
|
int Multiplier;
|
|
int Index;
|
|
USHORT code;
|
|
|
|
Min = 0;
|
|
Max = BootFontHeader.NumDbcsChars;
|
|
// multiplier = 2 (for index) +
|
|
// 2 * height +
|
|
// 2 (for unicode encoding)
|
|
//
|
|
Multiplier = 2 + (2*BootFontHeader.CharacterImageHeight) + 2;
|
|
|
|
//
|
|
// Do a binary search for the image.
|
|
// Format of table:
|
|
// First 2 bytes contain the DBCS char code.
|
|
// Next (2 * CharacterImageHeight) bytes are the char image.
|
|
// Next 2 bytes are for unicode version.
|
|
//
|
|
while(Max >= Min) {
|
|
Mid = (Max + Min) / 2;
|
|
Index = Mid*Multiplier;
|
|
code = (DbcsImages[Index] << 8) | DbcsImages[Index+1];
|
|
|
|
if(Code == code) {
|
|
return(DbcsImages+Index+2);
|
|
}
|
|
|
|
if(Code < code) {
|
|
Max = Mid - 1;
|
|
} else {
|
|
Min = Mid + 1;
|
|
}
|
|
}
|
|
|
|
//
|
|
// ERROR: No image found.
|
|
//
|
|
return(NULL);
|
|
}
|
|
|
|
PUCHAR
|
|
DbcsFontGetSbcsFontChar(
|
|
UCHAR Code
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Gets the font image for SBCS char.
|
|
|
|
Arguments:
|
|
|
|
Code - SBCS char code.
|
|
|
|
Return Value:
|
|
|
|
Pointer to font image, or else NULL.
|
|
|
|
--*/
|
|
|
|
{
|
|
int Max,Min,Mid;
|
|
int Multiplier;
|
|
int Index;
|
|
|
|
Min = 0;
|
|
Max = BootFontHeader.NumSbcsChars;
|
|
// multiplier = 1 (for index) +
|
|
// height +
|
|
// 2 (for unicode encoding)
|
|
//
|
|
Multiplier = 1 + (BootFontHeader.CharacterImageHeight) + 2;
|
|
|
|
//
|
|
// Do a binary search for the image.
|
|
// Format of table:
|
|
// First byte contains the SBCS char code.
|
|
// Next (CharacterImageHeight) bytes are the char image.
|
|
// Next 2 bytes are for unicode version.
|
|
//
|
|
while(Max >= Min) {
|
|
Mid = (Max + Min) / 2;
|
|
Index = Mid*Multiplier;
|
|
|
|
if(Code == SbcsImages[Index]) {
|
|
return(SbcsImages+Index+1);
|
|
}
|
|
|
|
if(Code < SbcsImages[Index]) {
|
|
Max = Mid - 1;
|
|
} else {
|
|
Min = Mid + 1;
|
|
}
|
|
}
|
|
|
|
//
|
|
// ERROR: No image found.
|
|
//
|
|
return(NULL);
|
|
}
|
|
|
|
PBYTE
|
|
DbcsFontGetGraphicsChar(
|
|
UCHAR Char
|
|
)
|
|
{
|
|
if (Char >= 0 && Char < 0x20)
|
|
return(GraphicsCharImage[Char]);
|
|
else
|
|
return(NULL);
|
|
}
|
|
|
|
BOOLEAN
|
|
DbcsFontIsGraphicsChar(
|
|
UCHAR Char
|
|
)
|
|
{
|
|
if (Char >= 0 && Char < 0x20)
|
|
return(TRUE);
|
|
else
|
|
return(FALSE);
|
|
}
|
|
|
|
BOOLEAN
|
|
DbcsFontIsDBCSLeadByte(
|
|
IN UCHAR c
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Checks to see if a char is a DBCS leadbyte.
|
|
|
|
Arguments:
|
|
|
|
c - char to check if leadbyte or not.
|
|
|
|
Return Value:
|
|
|
|
TRUE - Leadbyte.
|
|
FALSE - Non-Leadbyte.
|
|
|
|
--*/
|
|
|
|
{
|
|
int i;
|
|
|
|
//
|
|
// Check to see if char is in leadbyte range.
|
|
//
|
|
// NOTE: If (CHAR)(0) is a valid leadbyte,
|
|
// this routine will fail.
|
|
//
|
|
|
|
for( i = 0; BootFontHeader.DbcsLeadTable[i]; i += 2 ) {
|
|
if ( BootFontHeader.DbcsLeadTable[i] <= c &&
|
|
BootFontHeader.DbcsLeadTable[i+1] >= c )
|
|
return( TRUE );
|
|
}
|
|
|
|
return( FALSE );
|
|
}
|