145 lines
2.5 KiB
C
145 lines
2.5 KiB
C
/*++
|
|
|
|
Copyright (c) 1996 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
bmp2tiff.c
|
|
|
|
Abstract:
|
|
|
|
This file contains support for converting a
|
|
Windows BMP file to a TIFF file.
|
|
|
|
Environment:
|
|
|
|
WIN32 User Mode
|
|
|
|
Author:
|
|
|
|
Wesley Witt (wesw) 17-Feb-1996
|
|
|
|
--*/
|
|
|
|
#include "test.h"
|
|
#pragma hdrstop
|
|
|
|
|
|
|
|
|
|
DWORD
|
|
ConvertBmpToTiff(
|
|
LPTSTR BmpFile,
|
|
LPTSTR TiffFile,
|
|
DWORD CompressionType
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Converts a BMP file to a TIFF file.
|
|
|
|
Arguments:
|
|
|
|
BmpFile - BMP file name
|
|
TiffFile - TIFF file name
|
|
CompressionType - Compression method, see tifflib.h
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
HANDLE hFileIn;
|
|
HANDLE hMapIn;
|
|
LPVOID FilePtrIn;
|
|
HANDLE hTiff;
|
|
PBMPINFO BmpInfo;
|
|
DWORD LineWidth;
|
|
DWORD FileSize;
|
|
LPBYTE Bits;
|
|
DWORD i,j;
|
|
LPBYTE SrcPtr;
|
|
DWORD RealWidth;
|
|
BYTE BitBuffer[(1728/8)*2];
|
|
|
|
|
|
hFileIn = CreateFile(
|
|
BmpFile,
|
|
GENERIC_READ,
|
|
FILE_SHARE_READ,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
0,
|
|
NULL
|
|
);
|
|
if (hFileIn != INVALID_HANDLE_VALUE) {
|
|
return GetLastError();
|
|
}
|
|
|
|
hMapIn = CreateFileMapping(
|
|
hFileIn,
|
|
NULL,
|
|
PAGE_READONLY | SEC_COMMIT,
|
|
0,
|
|
0,
|
|
NULL
|
|
);
|
|
if (!hMapIn) {
|
|
return GetLastError();
|
|
}
|
|
|
|
FilePtrIn = MapViewOfFile(
|
|
hMapIn,
|
|
FILE_MAP_READ,
|
|
0,
|
|
0,
|
|
0
|
|
);
|
|
if (!FilePtrIn) {
|
|
return GetLastError();
|
|
}
|
|
|
|
FileSize = GetFileSize( hFileIn, NULL );
|
|
|
|
BmpInfo = (PBMPINFO) FilePtrIn;
|
|
|
|
LineWidth = BmpInfo->SizeImage / BmpInfo->Height;
|
|
Bits = (LPBYTE) ( (LPBYTE)FilePtrIn + BmpInfo->Offset );
|
|
SrcPtr = ((LPBYTE)FilePtrIn + BmpInfo->Offset) + (LineWidth * (BmpInfo->Height - 1));
|
|
RealWidth = Align( 8, BmpInfo->Width ) / 8;
|
|
|
|
hTiff = TiffCreate( TiffFile, CompressionType, LineWidth*8, 1, 1 );
|
|
if (!hTiff) {
|
|
return GetLastError();
|
|
}
|
|
|
|
TiffStartPage( hTiff );
|
|
|
|
for (i=0; i<BmpInfo->Height; i++) {
|
|
FillMemory( BitBuffer, sizeof(BitBuffer), 0xff );
|
|
CopyMemory( BitBuffer, SrcPtr, RealWidth );
|
|
if (BmpInfo->Width % 8) {
|
|
BitBuffer[BmpInfo->Width/8] |= 0xf;
|
|
}
|
|
for (j=0; j<sizeof(BitBuffer); j++) {
|
|
BitBuffer[j] ^= 0xff;
|
|
}
|
|
SrcPtr -= LineWidth;
|
|
TiffWrite( hTiff, BitBuffer );
|
|
}
|
|
|
|
TiffEndPage( hTiff );
|
|
|
|
UnmapViewOfFile( FilePtrIn );
|
|
CloseHandle( hMapIn );
|
|
CloseHandle( hFileIn );
|
|
|
|
TiffClose( hTiff );
|
|
|
|
return 0;
|
|
}
|