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461 lines
14 KiB
461 lines
14 KiB
//************************************************************************
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// Generic Win 3.1 fax printer driver support. 32-bit printer driver
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// functions. Runs in the graphics engine context (CSRSS).
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//
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// History:
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// 02-jan-95 nandurir created.
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// 01-feb-95 reedb Clean-up, support printer install and bug fixes.
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// 14-mar-95 reedb Use GDI hooks to move most functionality to UI.
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// 16-aug-95 reedb Move to kernel mode. Debug output and validate
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// functions moved from FAXCOMM.C.
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//
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//************************************************************************
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#include "wowfaxdd.h"
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//************************************************************************
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// Globals
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//************************************************************************
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DRVFN DrvFnTab[] = {
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{INDEX_DrvEnablePDEV, (PFN)DrvEnablePDEV },
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{INDEX_DrvDisablePDEV, (PFN)DrvDisablePDEV },
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{INDEX_DrvCompletePDEV, (PFN)DrvCompletePDEV },
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{INDEX_DrvEnableSurface, (PFN)DrvEnableSurface },
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{INDEX_DrvDisableSurface, (PFN)DrvDisableSurface },
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{INDEX_DrvStartDoc, (PFN)DrvStartDoc },
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{INDEX_DrvStartPage, (PFN)DrvStartPage },
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{INDEX_DrvSendPage, (PFN)DrvSendPage },
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{INDEX_DrvEndDoc, (PFN)DrvEndDoc },
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{INDEX_DrvDitherColor, (PFN)DrvDitherColor },
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{INDEX_DrvEscape, (PFN)DrvEscape},
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};
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#define NO_DRVFN (sizeof(DrvFnTab) / sizeof(DrvFnTab[0]))
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#if DBG
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//************************************************************************
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// faxlogprintf - Driver version of the debug output function.
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//
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//************************************************************************
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VOID faxlogprintf(PCHAR pszFmt, ...)
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{
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va_list ap;
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char buffer[256];
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va_start(ap, pszFmt);
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EngDebugPrint("", pszFmt, ap);
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va_end(ap);
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}
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#endif
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//************************************************************************
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// ValidateFaxDev - Validates the FAXDEV structure by checking the DWORD
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// signature, which is a known fixed value.
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//
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//************************************************************************
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BOOL ValidateFaxDev(LPFAXDEV lpFaxDev)
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{
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if (lpFaxDev) {
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if (lpFaxDev->id == FAXDEV_ID) {
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return TRUE;
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}
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LOGDEBUG(("ValidateFaxDev failed, bad id, lpFaxDev: %X\n", lpFaxDev));
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}
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else {
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LOGDEBUG(("ValidateFaxDev failed, lpFaxDev: NULL\n"));
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}
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return FALSE;
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}
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//************************************************************************
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// DllInitProc
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//************************************************************************
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BOOL DllInitProc(HMODULE hModule, DWORD Reason, PCONTEXT pContext)
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{
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UNREFERENCED_PARAMETER(hModule);
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UNREFERENCED_PARAMETER(Reason);
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UNREFERENCED_PARAMETER(pContext);
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return TRUE;
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}
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//***************************************************************************
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// DrvEnableDriver
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//***************************************************************************
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BOOL DrvEnableDriver(ULONG iEngineVersion, ULONG cb, DRVENABLEDATA *pded)
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{
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LOGDEBUG(("WOWFAX!DrvEnableDriver, iEngineVersion: %X, cb: %X, pded: %X\n", iEngineVersion, cb, pded));
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pded->iDriverVersion = DDI_DRIVER_VERSION_NT4;
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if (cb < sizeof(DRVENABLEDATA)) {
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LOGDEBUG(("WOWFAX!DrvEnableDriver, failed\n"));
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return FALSE;
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}
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pded->c = NO_DRVFN;
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pded->pdrvfn = DrvFnTab;
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return TRUE;
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}
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//***************************************************************************
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// DrvDisableDriver
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//***************************************************************************
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VOID DrvDisableDriver(VOID)
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{
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LOGDEBUG(("WOWFAX!DrvDisableDriver\n"));
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return;
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}
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//***************************************************************************
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// DrvEnablePDEV
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//***************************************************************************
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DHPDEV DrvEnablePDEV(DEVMODEW *pdevmode, // Driver data, Client FAXDEV
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PWSTR pwstrPrtName, // Printer's name in CreateDC()
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ULONG cPatterns, // Count of standard patterns
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HSURF *phsurfPatterns, // Buffer for standard patterns
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ULONG cjGdiInfo, // Size of buffer for GdiInfo
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ULONG *pulGdiInfo, // Buffer for GDIINFO
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ULONG cjDevInfo, // Number of bytes in devinfo
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DEVINFO *pdevinfo, // Device info
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HDEV hdev,
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PWSTR pwstrDeviceName, // Device Name - "LaserJet II"
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HANDLE hDriver // Printer handle for spooler access
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)
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{
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LPFAXDEV lpCliFaxDev, lpSrvFaxDev = NULL;
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LOGDEBUG(("WOWFAX!DrvEnablePDEV, pdevmode: %X, pwstrPrtName: %S\n", pdevmode, pwstrPrtName));
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if (pdevmode) {
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// Point to the end of the DEVMODE where the FAXDEV is located.
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lpCliFaxDev = (LPFAXDEV) ((PBYTE)pdevmode + pdevmode->dmSize);
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// Allocate a server side FAXDEV to be passed back to GDI. Copy the
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// client side FAXDEV to the server side FAXDEV. Note all pointers in
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// the client FAXDEV reference client side memory and cannot be
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// dereferenced on the server side.
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lpSrvFaxDev = (LPFAXDEV)EngAllocMem(0, sizeof(FAXDEV), FAXDEV_ID);
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LOGDEBUG(("WOWFAX!DrvEnablePDEV, allocated lpSrvFaxDev: %X\n", lpSrvFaxDev));
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if (InitPDEV(lpCliFaxDev, lpSrvFaxDev,
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cPatterns, phsurfPatterns,
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cjGdiInfo, pulGdiInfo,
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cjDevInfo, pdevinfo)) {
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lpSrvFaxDev->hDriver = hDriver;
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return (DHPDEV)lpSrvFaxDev;
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}
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else {
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LOGDEBUG(("WOWFAX!DrvEnablePDEV, failed\n"));
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if (lpSrvFaxDev) {
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EngFreeMem(lpSrvFaxDev);
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lpSrvFaxDev = NULL;
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}
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}
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}
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return (DHPDEV)lpSrvFaxDev;
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}
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//***************************************************************************
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// InitPDEV - Called by DrvEnablePDEV and DrvRestartPDEV to initialize the
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// server side PDEV/FAXDEV.
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//***************************************************************************
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BOOL InitPDEV(
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LPFAXDEV lpCliFaxDev, // Pointer to the client side FAXDEV
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LPFAXDEV lpSrvFaxDev, // Pointer to the server side FAXDEV
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ULONG cPatterns, // Count of standard patterns
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HSURF *phsurfPatterns, // Buffer for standard patterns
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ULONG cjGdiInfo, // Size of buffer for GdiInfo
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ULONG *pulGdiInfo, // Buffer for GDIINFO
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ULONG cjDevInfo, // Number of bytes in devinfo
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DEVINFO *pdevinfo // Device info
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)
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{
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PGDIINFO pgdiinfo = (PGDIINFO)pulGdiInfo;
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ULONG uColors[2];
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if (!ValidateFaxDev(lpCliFaxDev)) {
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return FALSE;
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}
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// lpSrvFaxDev hasn't been initialized yet, so just check pointer.
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if (lpSrvFaxDev == NULL) {
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LOGDEBUG(("WOWFAX!InitPDEV, failed, NULL lpSrvFaxDev parameter\n"));
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return FALSE;
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}
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// Copy client FAXDEV to server.
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RtlCopyMemory(lpSrvFaxDev, lpCliFaxDev, sizeof(FAXDEV));
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// Copy GDIINFO from client FAXDEV to the GDI buffer for GDIINFO.
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RtlCopyMemory(pgdiinfo, &(lpCliFaxDev->gdiinfo), sizeof(GDIINFO));
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// Initialize the DEVINFO structure.
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uColors[0] = RGB(0x00, 0x00, 0x00);
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uColors[1] = RGB(0xff, 0xff, 0xff);
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pdevinfo->hpalDefault = EngCreatePalette(PAL_INDEXED, 2, uColors, 0, 0, 0);
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pdevinfo->iDitherFormat = BMF_1BPP;
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// Make sure we don't journal.
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pdevinfo->flGraphicsCaps |= GCAPS_DONTJOURNAL;
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// Make sure we do dither.
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pdevinfo->flGraphicsCaps |= GCAPS_HALFTONE | GCAPS_MONO_DITHER |
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GCAPS_COLOR_DITHER;
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// Copy the DEVINFO data to the server side FAXDEV.
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RtlCopyMemory(&(lpSrvFaxDev->devinfo), pdevinfo, sizeof(DEVINFO));
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return TRUE;
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}
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//***************************************************************************
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// DrvCompletePDEV
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//***************************************************************************
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VOID DrvCompletePDEV(DHPDEV dhpdev, HDEV hdev)
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{
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LPFAXDEV lpSrvFaxDev = (LPFAXDEV) dhpdev;
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LOGDEBUG(("WOWFAX!DrvCompletePDEV, dhpdev %X\n", dhpdev));
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if (ValidateFaxDev(lpSrvFaxDev)) {
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// Store the gdi handle.
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lpSrvFaxDev->hdev = hdev;
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}
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else {
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LOGDEBUG(("WOWFAX!DrvCompletePDEV, failed\n"));
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}
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return;
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}
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//***************************************************************************
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// DrvDisablePDEV
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//***************************************************************************
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VOID DrvDisablePDEV(DHPDEV dhpdev)
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{
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LPFAXDEV lpSrvFaxDev = (LPFAXDEV) dhpdev;
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LOGDEBUG(("WOWFAX!DrvDisablePDEV, dhpdev %X\n", dhpdev));
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if (ValidateFaxDev(lpSrvFaxDev)) {
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if (lpSrvFaxDev->devinfo.hpalDefault) {
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EngDeletePalette(lpSrvFaxDev->devinfo.hpalDefault);
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}
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EngFreeMem(lpSrvFaxDev);
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LOGDEBUG(("WOWFAX!DrvDisablePDEV, deallocated lpSrvFaxDev: %X\n", lpSrvFaxDev));
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}
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else {
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LOGDEBUG(("WOWFAX!DrvDisablePDEV, failed\n"));
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}
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return;
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}
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//***************************************************************************
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// DrvEnableSurface
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//***************************************************************************
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HSURF DrvEnableSurface(DHPDEV dhpdev)
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{
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LPFAXDEV lpFaxDev = (LPFAXDEV)dhpdev;
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HBITMAP hbm = 0;
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LOGDEBUG(("WOWFAX!DrvEnableSurface, lpFaxDev: %X\n", lpFaxDev));
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if (ValidateFaxDev(lpFaxDev)) {
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// GDI will allocate space for the bitmap bits. We'll use a DrvEscape
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// to copy them to the client side.
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hbm = EngCreateBitmap(lpFaxDev->gdiinfo.szlPhysSize,
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lpFaxDev->bmWidthBytes,
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lpFaxDev->bmFormat, BMF_TOPDOWN, NULL);
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if (hbm) {
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lpFaxDev->hbm = hbm;
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EngAssociateSurface((HSURF)hbm, lpFaxDev->hdev, 0);
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return (HSURF)hbm;
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}
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LOGDEBUG(("WOWFAX!DrvEnableSurface, EngCreateBitmap failed\n"));
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}
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return (HSURF)hbm;
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}
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//***************************************************************************
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// DrvDisableSurface
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//***************************************************************************
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VOID DrvDisableSurface(
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DHPDEV dhpdev
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)
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{
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LPFAXDEV lpFaxDev = (LPFAXDEV)dhpdev;
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LOGDEBUG(("WOWFAX!DrvDisableSurface, lpFaxDev: %X\n", lpFaxDev));
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if (ValidateFaxDev(lpFaxDev)) {
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if (lpFaxDev->hbm) {
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EngDeleteSurface((HSURF)lpFaxDev->hbm);
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lpFaxDev->hbm = 0;
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return;
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}
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}
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return;
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}
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//***************************************************************************
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// DrvStartDoc
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//***************************************************************************
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BOOL DrvStartDoc(
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SURFOBJ *pso,
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PWSTR pwszDocName,
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DWORD dwJobId
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)
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{
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LOGDEBUG(("WOWFAX!DrvStartDoc, pso: %X, pwszDocName: %S, dwJobId: %X\n", pso, pwszDocName, dwJobId));
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return TRUE;
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}
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//***************************************************************************
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// DrvStartPage
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//***************************************************************************
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BOOL DrvStartPage(
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SURFOBJ *pso
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)
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{
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LPFAXDEV lpFaxDev = (LPFAXDEV)pso->dhpdev;
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BITMAP bm;
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RECTL rc;
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LOGDEBUG(("WOWFAX!DrvStartPage, pso: %X\n", pso));
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// Calculate the size of the rectangle based on the input data
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// in 'pso' - this will ensure that the entire bitmap is erased.
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if (ValidateFaxDev(lpFaxDev)) {
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rc.left = 0;
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rc.top = 0;
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rc.right = pso->lDelta * lpFaxDev->cPixPerByte;
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rc.bottom = pso->cjBits / pso->lDelta;
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EngEraseSurface(pso, &rc, COLOR_INDEX_WHITE);
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return TRUE;
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}
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return FALSE;
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}
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//***************************************************************************
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// DrvSendPage
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//***************************************************************************
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BOOL DrvSendPage(SURFOBJ *pso)
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{
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LOGDEBUG(("WOWFAX!DrvSendPage, pso %X\n", pso));
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return TRUE;
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}
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//***************************************************************************
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// DrvEndDoc
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//***************************************************************************
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BOOL DrvEndDoc(SURFOBJ *pso, FLONG fl)
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{
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LOGDEBUG(("WOWFAX!DrvEndDoc, pso %X\n", pso));
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return TRUE;
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}
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ULONG
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DrvDitherColor(
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DHPDEV dhpdev,
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ULONG iMode,
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ULONG rgbColor,
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ULONG *pulDither
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)
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{
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return DCR_HALFTONE;
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}
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//***************************************************************************
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// DrvEscape - Allows client side to get server side data.
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//***************************************************************************
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ULONG DrvEscape(
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SURFOBJ *pso,
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ULONG iEsc,
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ULONG cjIn,
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PVOID *pvIn,
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ULONG cjOut,
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PVOID *pvOut
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)
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{
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LPFAXDEV lpSrvFaxDev;
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ULONG ulRet = 0;
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LOGDEBUG(("WOWFAX!DrvEscape, pso %X, iEsc: %X\n", pso, iEsc));
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if (pso) {
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lpSrvFaxDev = (LPFAXDEV)pso->dhpdev;
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if (ValidateFaxDev(lpSrvFaxDev)) {
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LOGDEBUG(("WOWFAX!DrvEscape, lpSrvFaxDev: %X\n", lpSrvFaxDev));
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switch (iEsc) {
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case DRV_ESC_GET_DEVMODE_PTR:
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return (ULONG) lpSrvFaxDev->pdevmode;
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case DRV_ESC_GET_FAXDEV_PTR:
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return (ULONG) lpSrvFaxDev->lpClient;
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case DRV_ESC_GET_SURF_INFO:
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if (pvOut) {
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if (cjOut == sizeof(LONG)) {
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(LONG) *pvOut = pso->lDelta;
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return (ULONG) pso->cjBits;
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}
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}
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break;
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case DRV_ESC_GET_BITMAP_BITS:
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// Validate the buffer pointer and copy the bits.
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if (pvOut) {
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if (cjOut == pso->cjBits) {
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RtlCopyMemory(pvOut, pso->pvBits, cjOut);
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return cjOut;
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}
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LOGDEBUG(("WOWFAX!DrvEscape, bitmap size mismatch cjIn: %X, pso->cjBits: %X\n", cjIn, pso->cjBits));
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}
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break;
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// default:
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LOGDEBUG(("WOWFAX!DrvEscape, unknown escape: %X\n", iEsc));
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} //switch
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}
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}
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LOGDEBUG(("WOWFAX!DrvEscape, failed\n"));
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return ulRet;
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}
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