Sweden-Number/dlls/wineps/init.c

666 lines
20 KiB
C

/*
* PostScript driver initialization functions
*
* Copyright 1998 Huw D M Davies
* Copyright 2001 Marcus Meissner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "gdi.h"
#include "psdrv.h"
#include "wine/debug.h"
#include "winreg.h"
#include "winspool.h"
#include "winerror.h"
#ifdef HAVE_CUPS
# include <cups/cups.h>
#endif
WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
static PSDRV_DEVMODEA DefaultDevmode =
{
{ /* dmPublic */
/* dmDeviceName */ "Wine PostScript Driver",
/* dmSpecVersion */ 0x30a,
/* dmDriverVersion */ 0x001,
/* dmSize */ sizeof(DEVMODEA),
/* dmDriverExtra */ 0,
/* dmFields */ DM_ORIENTATION | DM_PAPERSIZE | DM_SCALE |
DM_COPIES | DM_DEFAULTSOURCE | DM_COLOR |
DM_DUPLEX | DM_YRESOLUTION | DM_TTOPTION,
{ /* u1 */
{ /* s1 */
/* dmOrientation */ DMORIENT_PORTRAIT,
/* dmPaperSize */ DMPAPER_LETTER,
/* dmPaperLength */ 2794,
/* dmPaperWidth */ 2159
}
},
/* dmScale */ 100, /* ?? */
/* dmCopies */ 1,
/* dmDefaultSource */ DMBIN_AUTO,
/* dmPrintQuality */ 0,
/* dmColor */ DMCOLOR_COLOR,
/* dmDuplex */ 0,
/* dmYResolution */ 0,
/* dmTTOption */ DMTT_SUBDEV,
/* dmCollate */ 0,
/* dmFormName */ "",
/* dmUnusedPadding */ 0,
/* dmBitsPerPel */ 0,
/* dmPelsWidth */ 0,
/* dmPelsHeight */ 0,
/* dmDisplayFlags */ 0,
/* dmDisplayFrequency */ 0,
/* dmICMMethod */ 0,
/* dmICMIntent */ 0,
/* dmMediaType */ 0,
/* dmDitherType */ 0,
/* dmReserved1 */ 0,
/* dmReserved2 */ 0,
/* dmPanningWidth */ 0,
/* dmPanningHeight */ 0
},
{ /* dmDocPrivate */
/* dummy */ 0
},
{ /* dmDrvPrivate */
/* numInstalledOptions */ 0
}
};
HANDLE PSDRV_Heap = 0;
static HANDLE PSDRV_DefaultFont = 0;
static LOGFONTA DefaultLogFont = {
100, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, ANSI_CHARSET, 0, 0,
DEFAULT_QUALITY, FIXED_PITCH | FF_MODERN, ""
};
/*********************************************************************
* PSDRV_Init
*
* Initializes font metrics and registers driver. Called from GDI_Init()
*
*/
BOOL WINAPI PSDRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
{
TRACE("(0x%4x, 0x%08lx, %p)\n", hinst, reason, reserved);
switch(reason) {
case DLL_PROCESS_ATTACH:
PSDRV_Heap = HeapCreate(0, 0x10000, 0);
if (PSDRV_Heap == (HANDLE)NULL)
return FALSE;
if (PSDRV_GetFontMetrics() == FALSE) {
HeapDestroy(PSDRV_Heap);
return FALSE;
}
PSDRV_DefaultFont = CreateFontIndirectA(&DefaultLogFont);
if (PSDRV_DefaultFont == (HANDLE)NULL) {
HeapDestroy(PSDRV_Heap);
return FALSE;
}
break;
case DLL_PROCESS_DETACH:
DeleteObject( PSDRV_DefaultFont );
HeapDestroy( PSDRV_Heap );
break;
}
return TRUE;
}
static void PSDRV_UpdateDevCaps( PSDRV_PDEVICE *physDev )
{
PAGESIZE *page;
INT width = 0, height = 0;
if(physDev->Devmode->dmPublic.dmFields & DM_PAPERSIZE) {
for(page = physDev->pi->ppd->PageSizes; page; page = page->next) {
if(page->WinPage == physDev->Devmode->dmPublic.u1.s1.dmPaperSize)
break;
}
if(!page) {
FIXME("Can't find page\n");
physDev->ImageableArea.left = 0;
physDev->ImageableArea.right = 0;
physDev->ImageableArea.bottom = 0;
physDev->ImageableArea.top = 0;
physDev->PageSize.cx = 0;
physDev->PageSize.cy = 0;
} else if(page->ImageableArea) {
/* physDev sizes in device units; ppd sizes in 1/72" */
physDev->ImageableArea.left = page->ImageableArea->llx *
physDev->logPixelsX / 72;
physDev->ImageableArea.right = page->ImageableArea->urx *
physDev->logPixelsX / 72;
physDev->ImageableArea.bottom = page->ImageableArea->lly *
physDev->logPixelsY / 72;
physDev->ImageableArea.top = page->ImageableArea->ury *
physDev->logPixelsY / 72;
physDev->PageSize.cx = page->PaperDimension->x *
physDev->logPixelsX / 72;
physDev->PageSize.cy = page->PaperDimension->y *
physDev->logPixelsY / 72;
} else {
physDev->ImageableArea.left = physDev->ImageableArea.bottom = 0;
physDev->ImageableArea.right = physDev->PageSize.cx =
page->PaperDimension->x * physDev->logPixelsX / 72;
physDev->ImageableArea.top = physDev->PageSize.cy =
page->PaperDimension->y * physDev->logPixelsY / 72;
}
} else if((physDev->Devmode->dmPublic.dmFields & DM_PAPERLENGTH) &&
(physDev->Devmode->dmPublic.dmFields & DM_PAPERWIDTH)) {
/* physDev sizes in device units; Devmode sizes in 1/10 mm */
physDev->ImageableArea.left = physDev->ImageableArea.bottom = 0;
physDev->ImageableArea.right = physDev->PageSize.cx =
physDev->Devmode->dmPublic.u1.s1.dmPaperWidth *
physDev->logPixelsX / 254;
physDev->ImageableArea.top = physDev->PageSize.cy =
physDev->Devmode->dmPublic.u1.s1.dmPaperLength *
physDev->logPixelsY / 254;
} else {
FIXME("Odd dmFields %lx\n", physDev->Devmode->dmPublic.dmFields);
physDev->ImageableArea.left = 0;
physDev->ImageableArea.right = 0;
physDev->ImageableArea.bottom = 0;
physDev->ImageableArea.top = 0;
physDev->PageSize.cx = 0;
physDev->PageSize.cy = 0;
}
TRACE("ImageableArea = %d,%d - %d,%d: PageSize = %ldx%ld\n",
physDev->ImageableArea.left, physDev->ImageableArea.bottom,
physDev->ImageableArea.right, physDev->ImageableArea.top,
physDev->PageSize.cx, physDev->PageSize.cy);
/* these are in device units */
width = physDev->ImageableArea.right - physDev->ImageableArea.left;
height = physDev->ImageableArea.top - physDev->ImageableArea.bottom;
if(physDev->Devmode->dmPublic.u1.s1.dmOrientation == DMORIENT_PORTRAIT) {
physDev->horzRes = width;
physDev->vertRes = height;
} else {
physDev->horzRes = height;
physDev->vertRes = width;
}
/* these are in mm */
physDev->horzSize = (physDev->horzRes * 25.4) / physDev->logPixelsX;
physDev->vertSize = (physDev->vertRes * 25.4) / physDev->logPixelsY;
TRACE("devcaps: horzSize = %dmm, vertSize = %dmm, "
"horzRes = %d, vertRes = %d\n",
physDev->horzSize, physDev->vertSize,
physDev->horzRes, physDev->vertRes);
}
/**********************************************************************
* PSDRV_CreateDC
*/
BOOL PSDRV_CreateDC( DC *dc, PSDRV_PDEVICE **pdev, LPCSTR driver, LPCSTR device,
LPCSTR output, const DEVMODEA* initData )
{
PSDRV_PDEVICE *physDev;
PRINTERINFO *pi;
/* If no device name was specified, retrieve the device name
* from the DEVMODE structure from the DC's physDev.
* (See CreateCompatibleDC) */
if ( !device && *pdev )
{
physDev = *pdev;
device = physDev->Devmode->dmPublic.dmDeviceName;
}
pi = PSDRV_FindPrinterInfo(device);
TRACE("(%s %s %s %p)\n", driver, device, output, initData);
if(!pi) return FALSE;
if(!pi->Fonts) {
MESSAGE("To use WINEPS you need to install some AFM files.\n");
return FALSE;
}
physDev = (PSDRV_PDEVICE *)HeapAlloc( PSDRV_Heap, HEAP_ZERO_MEMORY,
sizeof(*physDev) );
if (!physDev) return FALSE;
*pdev = physDev;
physDev->hdc = dc->hSelf;
physDev->dc = dc;
physDev->pi = pi;
physDev->Devmode = (PSDRV_DEVMODEA *)HeapAlloc( PSDRV_Heap, 0,
sizeof(PSDRV_DEVMODEA) );
if(!physDev->Devmode) {
HeapFree( PSDRV_Heap, 0, physDev );
return FALSE;
}
memcpy( physDev->Devmode, pi->Devmode, sizeof(PSDRV_DEVMODEA) );
physDev->logPixelsX = physDev->pi->ppd->DefaultResolution;
physDev->logPixelsY = physDev->pi->ppd->DefaultResolution;
if (!output) output = "LPT1:"; /* HACK */
physDev->job.output = HeapAlloc( PSDRV_Heap, 0, strlen(output)+1 );
strcpy( physDev->job.output, output );
physDev->job.hJob = 0;
if(initData) {
PSDRV_MergeDevmodes(physDev->Devmode, (PSDRV_DEVMODEA *)initData, pi);
}
PSDRV_UpdateDevCaps(physDev);
dc->hFont = PSDRV_DefaultFont;
return TRUE;
}
/**********************************************************************
* PSDRV_DeleteDC
*/
BOOL PSDRV_DeleteDC( PSDRV_PDEVICE *physDev )
{
TRACE("\n");
HeapFree( PSDRV_Heap, 0, physDev->Devmode );
HeapFree( PSDRV_Heap, 0, physDev->job.output );
HeapFree( PSDRV_Heap, 0, physDev );
return TRUE;
}
/**********************************************************************
* ResetDC (WINEPS.@)
*/
HDC PSDRV_ResetDC( PSDRV_PDEVICE *physDev, const DEVMODEA *lpInitData )
{
if(lpInitData) {
PSDRV_MergeDevmodes(physDev->Devmode, (PSDRV_DEVMODEA *)lpInitData, physDev->pi);
PSDRV_UpdateDevCaps(physDev);
}
return physDev->hdc;
}
/***********************************************************************
* GetDeviceCaps (WINEPS.@)
*/
INT PSDRV_GetDeviceCaps( PSDRV_PDEVICE *physDev, INT cap )
{
switch(cap)
{
case DRIVERVERSION:
return 0;
case TECHNOLOGY:
return DT_RASPRINTER;
case HORZSIZE:
return MulDiv(physDev->horzSize, 100,
physDev->Devmode->dmPublic.dmScale);
case VERTSIZE:
return MulDiv(physDev->vertSize, 100,
physDev->Devmode->dmPublic.dmScale);
case HORZRES:
return physDev->horzRes;
case VERTRES:
return physDev->vertRes;
case BITSPIXEL:
return (physDev->pi->ppd->ColorDevice ? 8 : 1);
case PLANES:
return 1;
case NUMBRUSHES:
return -1;
case NUMPENS:
return 10;
case NUMMARKERS:
return 0;
case NUMFONTS:
return 39;
case NUMCOLORS:
return (physDev->pi->ppd->ColorDevice ? 256 : -1);
case PDEVICESIZE:
return sizeof(PSDRV_PDEVICE);
case CURVECAPS:
return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
case LINECAPS:
return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
case POLYGONALCAPS:
return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
case TEXTCAPS:
return TC_CR_ANY | TC_VA_ABLE; /* psdrv 0x59f7 */
case CLIPCAPS:
return CP_RECTANGLE;
case RASTERCAPS:
return (RC_BITBLT | RC_BITMAP64 | RC_GDI20_OUTPUT | RC_DIBTODEV |
RC_STRETCHBLT | RC_STRETCHDIB); /* psdrv 0x6e99 */
/* Are aspect[XY] and logPixels[XY] correct? */
/* Need to handle different res in x and y => fix ppd */
case ASPECTX:
case ASPECTY:
return physDev->pi->ppd->DefaultResolution;
case ASPECTXY:
return (int)hypot( (double)physDev->pi->ppd->DefaultResolution,
(double)physDev->pi->ppd->DefaultResolution );
case LOGPIXELSX:
return MulDiv(physDev->logPixelsX,
physDev->Devmode->dmPublic.dmScale, 100);
case LOGPIXELSY:
return MulDiv(physDev->logPixelsY,
physDev->Devmode->dmPublic.dmScale, 100);
case SIZEPALETTE:
return 0;
case NUMRESERVED:
return 0;
case COLORRES:
return 0;
case PHYSICALWIDTH:
return (physDev->Devmode->dmPublic.u1.s1.dmOrientation == DMORIENT_LANDSCAPE) ?
physDev->PageSize.cy : physDev->PageSize.cx;
case PHYSICALHEIGHT:
return (physDev->Devmode->dmPublic.u1.s1.dmOrientation == DMORIENT_LANDSCAPE) ?
physDev->PageSize.cx : physDev->PageSize.cy;
case PHYSICALOFFSETX:
if(physDev->Devmode->dmPublic.u1.s1.dmOrientation == DMORIENT_LANDSCAPE) {
if(physDev->pi->ppd->LandscapeOrientation == -90)
return physDev->PageSize.cy - physDev->ImageableArea.top;
else
return physDev->ImageableArea.bottom;
}
return physDev->ImageableArea.left;
case PHYSICALOFFSETY:
if(physDev->Devmode->dmPublic.u1.s1.dmOrientation == DMORIENT_LANDSCAPE) {
if(physDev->pi->ppd->LandscapeOrientation == -90)
return physDev->PageSize.cx - physDev->ImageableArea.right;
else
return physDev->ImageableArea.left;
}
return physDev->PageSize.cy - physDev->ImageableArea.top;
case SCALINGFACTORX:
case SCALINGFACTORY:
case VREFRESH:
case DESKTOPVERTRES:
case DESKTOPHORZRES:
case BTLALIGNMENT:
return 0;
default:
FIXME("(%04x): unsupported capability %d, will return 0\n", physDev->hdc, cap );
return 0;
}
}
/**********************************************************************
* PSDRV_FindPrinterInfo
*/
PRINTERINFO *PSDRV_FindPrinterInfo(LPCSTR name)
{
static PRINTERINFO *PSDRV_PrinterList;
DWORD type = REG_BINARY, needed, res, dwPaperSize;
PRINTERINFO *pi = PSDRV_PrinterList, **last = &PSDRV_PrinterList;
FONTNAME *font;
const AFM *afm;
HANDLE hPrinter;
const char *ppd = NULL;
DWORD ppdType;
char* ppdFileName = NULL;
HKEY hkey;
BOOL using_default_devmode = FALSE;
TRACE("'%s'\n", name);
/*
* If this loop completes, last will point to the 'next' element of the
* final PRINTERINFO in the list
*/
for( ; pi; last = &pi->next, pi = pi->next)
if(!strcmp(pi->FriendlyName, name))
return pi;
pi = *last = HeapAlloc( PSDRV_Heap, HEAP_ZERO_MEMORY, sizeof(*pi) );
if (pi == NULL)
return NULL;
if (!(pi->FriendlyName = HeapAlloc( PSDRV_Heap, 0, strlen(name)+1 ))) goto fail;
strcpy( pi->FriendlyName, name );
/* Use Get|SetPrinterDataExA instead? */
res = DrvGetPrinterData16((LPSTR)name, (LPSTR)INT_PD_DEFAULT_DEVMODE, &type,
NULL, 0, &needed );
if(res == ERROR_INVALID_PRINTER_NAME || needed != sizeof(DefaultDevmode)) {
pi->Devmode = HeapAlloc( PSDRV_Heap, 0, sizeof(DefaultDevmode) );
if (pi->Devmode == NULL)
goto cleanup;
memcpy(pi->Devmode, &DefaultDevmode, sizeof(DefaultDevmode) );
strcpy(pi->Devmode->dmPublic.dmDeviceName,name);
using_default_devmode = TRUE;
/* need to do something here AddPrinter?? */
}
else {
pi->Devmode = HeapAlloc( PSDRV_Heap, 0, needed );
DrvGetPrinterData16((LPSTR)name, (LPSTR)INT_PD_DEFAULT_DEVMODE, &type,
(LPBYTE)pi->Devmode, needed, &needed);
}
if (OpenPrinterA (pi->FriendlyName, &hPrinter, NULL) == 0) {
ERR ("OpenPrinterA failed with code %li\n", GetLastError ());
goto cleanup;
}
#ifdef HAVE_CUPS
{
ppd = cupsGetPPD(name);
if (ppd) {
needed=strlen(ppd)+1;
ppdFileName=HeapAlloc(PSDRV_Heap, 0, needed);
memcpy(ppdFileName, ppd, needed);
ppdType=REG_SZ;
res = ERROR_SUCCESS;
/* we should unlink() that file later */
} else {
res = ERROR_FILE_NOT_FOUND;
WARN("Did not find ppd for %s\n",name);
}
}
#endif
if (!ppdFileName) {
res = GetPrinterDataA(hPrinter, "PPD File", NULL, NULL, 0, &needed);
if ((res==ERROR_SUCCESS) || (res==ERROR_MORE_DATA)) {
ppdFileName=HeapAlloc(PSDRV_Heap, 0, needed);
res = GetPrinterDataA(hPrinter, "PPD File", &ppdType, ppdFileName, needed, &needed);
}
}
/* Look for a ppd file for this printer in the config file.
* First look under that printer's name, and then under 'generic'
*/
if((res != ERROR_SUCCESS) && !RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ppd", &hkey))
{
const char* value_name;
if (RegQueryValueExA(hkey, name, 0, NULL, NULL, &needed) == ERROR_SUCCESS) {
value_name=name;
} else if (RegQueryValueExA(hkey, "generic", 0, NULL, NULL, &needed) == ERROR_SUCCESS) {
value_name="generic";
} else {
value_name=NULL;
}
if (value_name) {
ppdFileName=HeapAlloc(PSDRV_Heap, 0, needed);
RegQueryValueExA(hkey, value_name, 0, &ppdType, ppdFileName, &needed);
}
RegCloseKey(hkey);
}
if (!ppdFileName) {
res = ERROR_FILE_NOT_FOUND;
ERR ("Error %li getting PPD file name for printer '%s'\n", res, name);
goto closeprinter;
} else {
res = ERROR_SUCCESS;
if (ppdType==REG_EXPAND_SZ) {
char* tmp;
/* Expand environment variable references */
needed=ExpandEnvironmentStringsA(ppdFileName,NULL,0);
tmp=HeapAlloc(PSDRV_Heap, 0, needed);
ExpandEnvironmentStringsA(ppdFileName,tmp,needed);
HeapFree(PSDRV_Heap, 0, ppdFileName);
ppdFileName=tmp;
}
}
pi->ppd = PSDRV_ParsePPD(ppdFileName);
if(!pi->ppd) {
MESSAGE("Couldn't find PPD file '%s', expect a crash now!\n",
ppdFileName);
goto closeprinter;
}
if(using_default_devmode) {
DWORD papersize;
if(GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IPAPERSIZE | LOCALE_RETURN_NUMBER,
(LPWSTR)&papersize, sizeof(papersize))) {
PSDRV_DEVMODEA dm;
memset(&dm, 0, sizeof(dm));
dm.dmPublic.dmFields = DM_PAPERSIZE;
dm.dmPublic.u1.s1.dmPaperSize = papersize;
PSDRV_MergeDevmodes(pi->Devmode, &dm, pi);
}
DrvSetPrinterData16((LPSTR)name, (LPSTR)INT_PD_DEFAULT_DEVMODE,
REG_BINARY, (LPBYTE)pi->Devmode, sizeof(DefaultDevmode) );
}
/*
* This is a hack. The default paper size should be read in as part of
* the Devmode structure, but Wine doesn't currently provide a convenient
* way to configure printers.
*/
res = GetPrinterDataA (hPrinter, "Paper Size", NULL, (LPBYTE) &dwPaperSize,
sizeof (DWORD), &needed);
if (res == ERROR_SUCCESS)
pi->Devmode->dmPublic.u1.s1.dmPaperSize = (SHORT) dwPaperSize;
else if (res == ERROR_FILE_NOT_FOUND)
TRACE ("No 'Paper Size' for printer '%s'\n", name);
else {
ERR ("GetPrinterDataA returned %li\n", res);
goto closeprinter;
}
res = EnumPrinterDataExA (hPrinter, "PrinterDriverData\\FontSubTable", NULL,
0, &needed, &pi->FontSubTableSize);
if (res == ERROR_SUCCESS || res == ERROR_FILE_NOT_FOUND) {
TRACE ("No 'FontSubTable' for printer '%s'\n", name);
}
else if (res == ERROR_MORE_DATA) {
pi->FontSubTable = HeapAlloc (PSDRV_Heap, 0, needed);
if (pi->FontSubTable == NULL) {
ERR ("Failed to allocate %li bytes from heap\n", needed);
goto closeprinter;
}
res = EnumPrinterDataExA (hPrinter, "PrinterDriverData\\FontSubTable",
(LPBYTE) pi->FontSubTable, needed, &needed,
&pi->FontSubTableSize);
if (res != ERROR_SUCCESS) {
ERR ("EnumPrinterDataExA returned %li\n", res);
goto closeprinter;
}
}
else {
ERR("EnumPrinterDataExA returned %li\n", res);
goto closeprinter;
}
if (ClosePrinter (hPrinter) == 0) {
ERR ("ClosePrinter failed with code %li\n", GetLastError ());
goto cleanup;
}
pi->next = NULL;
pi->Fonts = NULL;
for(font = pi->ppd->InstalledFonts; font; font = font->next) {
afm = PSDRV_FindAFMinList(PSDRV_AFMFontList, font->Name);
if(!afm) {
TRACE( "Couldn't find AFM file for installed printer font '%s' - "
"ignoring\n", font->Name);
}
else {
BOOL added;
if (PSDRV_AddAFMtoList(&pi->Fonts, afm, &added) == FALSE) {
PSDRV_FreeAFMList(pi->Fonts);
goto cleanup;
}
}
}
if (ppd) unlink(ppd);
return pi;
closeprinter:
ClosePrinter(hPrinter);
cleanup:
if (ppdFileName)
HeapFree(PSDRV_Heap, 0, ppdFileName);
if (pi->FontSubTable)
HeapFree(PSDRV_Heap, 0, pi->FontSubTable);
if (pi->FriendlyName)
HeapFree(PSDRV_Heap, 0, pi->FriendlyName);
if (pi->Devmode)
HeapFree(PSDRV_Heap, 0, pi->Devmode);
fail:
HeapFree(PSDRV_Heap, 0, pi);
if (ppd) unlink(ppd);
*last = NULL;
return NULL;
}