Source code of Windows XP (NT5)
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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
faxview.c
Abstract:
This file implements a simple TIFF image viewer.
Environment:
WIN32 User Mode
Author:
Wesley Witt (wesw) 17-Feb-1996
--*/
#include <windows.h>
#include <commctrl.h>
#include <commdlg.h>
#include <stdio.h>
#include <stdlib.h>
#include <tchar.h>
#include "resource.h"
#include "tifflib.h"
#include "faxutil.h"
typedef struct _PRINT_INFO {
HWND hwnd;
LPWSTR FileName;
HDC hdc;
DWORD FromPage;
DWORD ToPage;
DWORD Copies;
} PRINT_INFO, *PPRINT_INFO;
static HANDLE hDevMode = NULL;
static HANDLE hDevNames = NULL;
extern HWND hwndStatusbar;
BOOL
ReadTiffData(
HANDLE hTiff,
LPBYTE *TiffData,
DWORD Width,
LPDWORD TiffDataLinesAlloc,
DWORD PageNumber
);
BOOL
PrintSetup(
HWND hwnd
)
{
PRINTDLG pdlg = {0};
pdlg.lStructSize = sizeof(PRINTDLG);
pdlg.hwndOwner = hwnd;
pdlg.hDevMode = hDevMode;
pdlg.hDevNames = hDevNames;
pdlg.Flags = PD_PRINTSETUP;
if (PrintDlg( &pdlg )) {
hDevMode = pdlg.hDevMode;
hDevNames = pdlg.hDevNames;
return TRUE;
}
return FALSE;
}
DWORD
PrintThread(
PPRINT_INFO pi
)
{
LPBYTE bmiBuf[sizeof(BITMAPINFOHEADER)+(sizeof(RGBQUAD)*2)];
PBITMAPINFO bmi = (PBITMAPINFO) bmiBuf;
HANDLE hTiff;
TIFF_INFO TiffInfo;
LPBYTE TiffData;
DWORD TiffDataSize;
DWORD i;
INT HorzRes;
INT VertRes;
INT PrintJobId = 0;
DOCINFO DocInfo;
DWORD TiffDataLinesAlloc;
DWORD VertResFactor = 1;
hTiff = TiffOpen(
pi->FileName,
&TiffInfo,
TRUE
);
if (!hTiff) {
return 0;
}
TiffDataSize = TiffInfo.ImageHeight * (TiffInfo.ImageWidth / 8);
TiffData = (LPBYTE) VirtualAlloc(
NULL,
TiffDataSize,
MEM_COMMIT,
PAGE_READWRITE
);
if (!TiffData) {
return 0;
}
TiffDataLinesAlloc = TiffInfo.ImageHeight;
bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi->bmiHeader.biWidth = TiffInfo.ImageWidth;
bmi->bmiHeader.biHeight = - (INT) TiffInfo.ImageHeight;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biBitCount = 1;
bmi->bmiHeader.biCompression = BI_RGB;
bmi->bmiHeader.biSizeImage = 0;
bmi->bmiHeader.biXPelsPerMeter = 7874;
bmi->bmiHeader.biYPelsPerMeter = 7874;
bmi->bmiHeader.biClrUsed = 0;
bmi->bmiHeader.biClrImportant = 0;
if (TiffInfo.PhotometricInterpretation) {
bmi->bmiColors[0].rgbBlue = 0;
bmi->bmiColors[0].rgbGreen = 0;
bmi->bmiColors[0].rgbRed = 0;
bmi->bmiColors[0].rgbReserved = 0;
bmi->bmiColors[1].rgbBlue = 0xff;
bmi->bmiColors[1].rgbGreen = 0xff;
bmi->bmiColors[1].rgbRed = 0xff;
bmi->bmiColors[1].rgbReserved = 0;
} else {
bmi->bmiColors[0].rgbBlue = 0xff;
bmi->bmiColors[0].rgbGreen = 0xff;
bmi->bmiColors[0].rgbRed = 0xff;
bmi->bmiColors[0].rgbReserved = 0;
bmi->bmiColors[1].rgbBlue = 0;
bmi->bmiColors[1].rgbGreen = 0;
bmi->bmiColors[1].rgbRed = 0;
bmi->bmiColors[1].rgbReserved = 0;
}
if (TiffInfo.YResolution <= 100) {
bmi->bmiHeader.biYPelsPerMeter /= 2;
VertResFactor = 2;
}
HorzRes = GetDeviceCaps( pi->hdc, HORZRES );
VertRes = GetDeviceCaps( pi->hdc, VERTRES );
DocInfo.cbSize = sizeof(DOCINFO);
DocInfo.lpszOutput = NULL;
DocInfo.lpszDatatype = NULL;
DocInfo.fwType = 0;
DocInfo.lpszDocName = wcsrchr( pi->FileName, L'\\' );
if (DocInfo.lpszDocName) {
DocInfo.lpszDocName += 1;
} else {
DocInfo.lpszDocName = pi->FileName;
}
while( pi->Copies ) {
PrintJobId = StartDoc( pi->hdc, &DocInfo );
if (PrintJobId <= 0) {
DeleteDC( pi->hdc );
return FALSE;
}
for (i=pi->FromPage-1; i<min(pi->ToPage,TiffInfo.PageCount); i++)
{
DWORD Lines;
DWORD StripDataSize;
DWORD ImageWidth = TiffInfo.ImageWidth;
DWORD ImageHeight = TiffInfo.ImageHeight;
DWORD LinesAllocated = MAXVERTBITS;
INT DestWidth;
INT DestHeight;
FLOAT ScaleX;
FLOAT ScaleY;
FLOAT Scale;
SendMessage(
hwndStatusbar,
SB_SETTEXT,
1,
(LPARAM) L"Printing"
);
ReadTiffData( hTiff, &TiffData, TiffInfo.ImageWidth, &TiffDataLinesAlloc, i+1 );
TiffGetCurrentPageData(
hTiff,
&Lines,
&StripDataSize,
&ImageWidth,
&ImageHeight
);
ScaleX = (FLOAT) ImageWidth / (FLOAT) HorzRes;
ScaleY = ((FLOAT) ImageHeight * VertResFactor) / (FLOAT) VertRes;
Scale = ScaleX > ScaleY ? ScaleX : ScaleY;
DestWidth = (int) ((FLOAT) ImageWidth / Scale);
DestHeight = (int) (((FLOAT) ImageHeight * VertResFactor) / Scale);
bmi->bmiHeader.biWidth = ImageWidth;
bmi->bmiHeader.biHeight = - (INT)ImageHeight;
StartPage( pi->hdc );
StretchDIBits(
pi->hdc,
0,
0,
DestWidth,
DestHeight,
0,
0,
ImageWidth,
ImageHeight,
TiffData,
(BITMAPINFO *) bmi,
DIB_RGB_COLORS,
SRCCOPY
);
EndPage ( pi->hdc ) ;
}
pi->Copies -= 1;
EndDoc( pi->hdc );
}
DeleteDC( pi->hdc );
TiffClose( hTiff );
VirtualFree( TiffData, 0, MEM_RELEASE );
MemFree( pi->FileName );
MemFree( pi );
return 0;
}
HANDLE
PrintTiffFile(
HWND hwnd,
LPWSTR FileName,
LPWSTR PrinterName
)
{
static DWORD Flags = PD_ALLPAGES | PD_RETURNDC | PD_HIDEPRINTTOFILE | PD_NOSELECTION | PD_NOWARNING;
static WORD nFromPage = 0xFFFF;
static WORD nToPage = 0xFFFF;
static WORD nCopies = 1;
DWORD ThreadId;
HANDLE hThread;
PPRINT_INFO pi;
PRINTDLG pd = {0};
WCHAR DefaultPrinter[1024];
if (hwnd) {
pd.lStructSize = sizeof(pd);
pd.hwndOwner = hwnd;
pd.hDevMode = hDevMode;
pd.hDevNames = hDevNames;
pd.Flags = Flags;
pd.nFromPage = nFromPage;
pd.nToPage = nToPage;
pd.nMinPage = 1;
pd.nMaxPage = 65535;
pd.nCopies = nCopies;
if (!PrintDlg(&pd)) {
return NULL;
}
hDevMode = pd.hDevMode;
hDevNames = pd.hDevNames;
Flags = pd.Flags;
nFromPage = pd.nFromPage;
nToPage = pd.nToPage;
pi = (PPRINT_INFO) MemAlloc( sizeof(PRINT_INFO) );
if (!pi) {
return NULL;
}
pi->hwnd = hwnd;
pi->hdc = pd.hDC;
pi->FromPage = Flags & PD_PAGENUMS ? pd.nFromPage : 1;
pi->ToPage = pd.nToPage;
pi->Copies = pd.nCopies;
pi->FileName = StringDup( FileName );
} else {
if (!PrinterName) {
//
// get the default printer name
//
GetProfileString(
L"windows",
L"device",
NULL,
DefaultPrinter,
sizeof(DefaultPrinter)
);
if (!DefaultPrinter[0]) {
return NULL;
}
PrinterName = wcschr( DefaultPrinter, L',' );
if (PrinterName) {
*PrinterName = 0;
}
PrinterName = DefaultPrinter;
}
pi = (PPRINT_INFO) MemAlloc( sizeof(PRINT_INFO) );
if (!pi) {
return NULL;
}
pi->hdc = CreateDC( TEXT("WINSPOOL"), PrinterName, NULL, NULL );
if (!pi->hdc) {
return NULL;
}
pi->hwnd = NULL;
pi->FromPage = 1;
pi->ToPage = 65535;
pi->Copies = 1;
pi->FileName = StringDup( FileName );
}
hThread = CreateThread(
NULL,
1024*100,
(LPTHREAD_START_ROUTINE) PrintThread,
(LPVOID) pi,
0,
&ThreadId
);
if (!hThread) {
return NULL;
}
return hThread;
}