592 lines
19 KiB
C
592 lines
19 KiB
C
/*
|
|
* Metafile driver initialisation functions
|
|
*
|
|
* Copyright 1996 Alexandre Julliard
|
|
*
|
|
* 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 <stdarg.h>
|
|
#include <string.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wine/winbase16.h"
|
|
#include "gdi.h"
|
|
#include "wownt32.h"
|
|
#include "gdi_private.h"
|
|
#include "mfdrv/metafiledrv.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(metafile);
|
|
|
|
static const DC_FUNCTIONS MFDRV_Funcs =
|
|
{
|
|
NULL, /* pAbortDoc */
|
|
MFDRV_AbortPath, /* pAbortPath */
|
|
NULL, /* pAlphaBlend */
|
|
NULL, /* pAngleArc */
|
|
MFDRV_Arc, /* pArc */
|
|
NULL, /* pArcTo */
|
|
MFDRV_BeginPath, /* pBeginPath */
|
|
MFDRV_BitBlt, /* pBitBlt */
|
|
NULL, /* pChoosePixelFormat */
|
|
MFDRV_Chord, /* pChord */
|
|
MFDRV_CloseFigure, /* pCloseFigure */
|
|
NULL, /* pCreateBitmap */
|
|
NULL, /* pCreateDC */
|
|
NULL, /* pCreateDIBSection */
|
|
NULL, /* pDeleteBitmap */
|
|
NULL, /* pDeleteDC */
|
|
MFDRV_DeleteObject, /* pDeleteObject */
|
|
NULL, /* pDescribePixelFormat */
|
|
NULL, /* pDeviceCapabilities */
|
|
MFDRV_Ellipse, /* pEllipse */
|
|
NULL, /* pEndDoc */
|
|
NULL, /* pEndPage */
|
|
MFDRV_EndPath, /* pEndPath */
|
|
NULL, /* pEnumDeviceFonts */
|
|
MFDRV_ExcludeClipRect, /* pExcludeClipRect */
|
|
NULL, /* pExtDeviceMode */
|
|
MFDRV_ExtEscape, /* pExtEscape */
|
|
MFDRV_ExtFloodFill, /* pExtFloodFill */
|
|
MFDRV_ExtSelectClipRgn, /* pExtSelectClipRgn */
|
|
MFDRV_ExtTextOut, /* pExtTextOut */
|
|
MFDRV_FillPath, /* pFillPath */
|
|
MFDRV_FillRgn, /* pFillRgn */
|
|
MFDRV_FlattenPath, /* pFlattenPath */
|
|
MFDRV_FrameRgn, /* pFrameRgn */
|
|
NULL, /* pGdiComment */
|
|
NULL, /* pGetBitmapBits */
|
|
NULL, /* pGetCharWidth */
|
|
NULL, /* pGetDCOrgEx */
|
|
NULL, /* pGetDIBColorTable */
|
|
NULL, /* pGetDIBits */
|
|
MFDRV_GetDeviceCaps, /* pGetDeviceCaps */
|
|
NULL, /* pGetDeviceGammaRamp */
|
|
NULL, /* pGetNearestColor */
|
|
NULL, /* pGetPixel */
|
|
NULL, /* pGetPixelFormat */
|
|
NULL, /* pGetSystemPaletteEntries */
|
|
NULL, /* pGetTextExtentPoint */
|
|
NULL, /* pGetTextMetrics */
|
|
MFDRV_IntersectClipRect, /* pIntersectClipRect */
|
|
MFDRV_InvertRgn, /* pInvertRgn */
|
|
MFDRV_LineTo, /* pLineTo */
|
|
NULL, /* pModifyWorldTransform */
|
|
MFDRV_MoveTo, /* pMoveTo */
|
|
MFDRV_OffsetClipRgn, /* pOffsetClipRgn */
|
|
MFDRV_OffsetViewportOrg, /* pOffsetViewportOrg */
|
|
MFDRV_OffsetWindowOrg, /* pOffsetWindowOrg */
|
|
MFDRV_PaintRgn, /* pPaintRgn */
|
|
MFDRV_PatBlt, /* pPatBlt */
|
|
MFDRV_Pie, /* pPie */
|
|
MFDRV_PolyBezier, /* pPolyBezier */
|
|
MFDRV_PolyBezierTo, /* pPolyBezierTo */
|
|
NULL, /* pPolyDraw */
|
|
MFDRV_PolyPolygon, /* pPolyPolygon */
|
|
NULL, /* pPolyPolyline */
|
|
MFDRV_Polygon, /* pPolygon */
|
|
MFDRV_Polyline, /* pPolyline */
|
|
NULL, /* pPolylineTo */
|
|
NULL, /* pRealizeDefaultPalette */
|
|
MFDRV_RealizePalette, /* pRealizePalette */
|
|
MFDRV_Rectangle, /* pRectangle */
|
|
NULL, /* pResetDC */
|
|
MFDRV_RestoreDC, /* pRestoreDC */
|
|
MFDRV_RoundRect, /* pRoundRect */
|
|
MFDRV_SaveDC, /* pSaveDC */
|
|
MFDRV_ScaleViewportExt, /* pScaleViewportExt */
|
|
MFDRV_ScaleWindowExt, /* pScaleWindowExt */
|
|
MFDRV_SelectBitmap, /* pSelectBitmap */
|
|
MFDRV_SelectBrush, /* pSelectBrush */
|
|
MFDRV_SelectClipPath, /* pSelectClipPath */
|
|
MFDRV_SelectFont, /* pSelectFont */
|
|
MFDRV_SelectPalette, /* pSelectPalette */
|
|
MFDRV_SelectPen, /* pSelectPen */
|
|
NULL, /* pSetArcDirection */
|
|
NULL, /* pSetBitmapBits */
|
|
MFDRV_SetBkColor, /* pSetBkColor */
|
|
MFDRV_SetBkMode, /* pSetBkMode */
|
|
NULL, /* pSetDCBrushColor*/
|
|
NULL, /* pSetDCOrg */
|
|
NULL, /* pSetDCPenColor*/
|
|
NULL, /* pSetDIBColorTable */
|
|
NULL, /* pSetDIBits */
|
|
MFDRV_SetDIBitsToDevice, /* pSetDIBitsToDevice */
|
|
NULL, /* pSetDeviceClipping */
|
|
NULL, /* pSetDeviceGammaRamp */
|
|
MFDRV_SetMapMode, /* pSetMapMode */
|
|
MFDRV_SetMapperFlags, /* pSetMapperFlags */
|
|
MFDRV_SetPixel, /* pSetPixel */
|
|
NULL, /* pSetPixelFormat */
|
|
MFDRV_SetPolyFillMode, /* pSetPolyFillMode */
|
|
MFDRV_SetROP2, /* pSetROP2 */
|
|
MFDRV_SetRelAbs, /* pSetRelAbs */
|
|
MFDRV_SetStretchBltMode, /* pSetStretchBltMode */
|
|
MFDRV_SetTextAlign, /* pSetTextAlign */
|
|
MFDRV_SetTextCharacterExtra, /* pSetTextCharacterExtra */
|
|
MFDRV_SetTextColor, /* pSetTextColor */
|
|
MFDRV_SetTextJustification, /* pSetTextJustification */
|
|
MFDRV_SetViewportExt, /* pSetViewportExt */
|
|
MFDRV_SetViewportOrg, /* pSetViewportOrg */
|
|
MFDRV_SetWindowExt, /* pSetWindowExt */
|
|
MFDRV_SetWindowOrg, /* pSetWindowOrg */
|
|
NULL, /* pSetWorldTransform */
|
|
NULL, /* pStartDoc */
|
|
NULL, /* pStartPage */
|
|
MFDRV_StretchBlt, /* pStretchBlt */
|
|
MFDRV_StretchDIBits, /* pStretchDIBits */
|
|
MFDRV_StrokeAndFillPath, /* pStrokeAndFillPath */
|
|
MFDRV_StrokePath, /* pStrokePath */
|
|
NULL, /* pSwapBuffers */
|
|
MFDRV_WidenPath /* pWidenPath */
|
|
};
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
* MFDRV_AllocMetaFile
|
|
*/
|
|
static DC *MFDRV_AllocMetaFile(void)
|
|
{
|
|
DC *dc;
|
|
METAFILEDRV_PDEVICE *physDev;
|
|
|
|
if (!(dc = DC_AllocDC( &MFDRV_Funcs, METAFILE_DC_MAGIC ))) return NULL;
|
|
|
|
physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
|
|
if (!physDev)
|
|
{
|
|
GDI_FreeObject( dc->hSelf, dc );
|
|
return NULL;
|
|
}
|
|
dc->physDev = (PHYSDEV)physDev;
|
|
physDev->hdc = dc->hSelf;
|
|
physDev->dc = dc;
|
|
|
|
if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, physDev );
|
|
GDI_FreeObject( dc->hSelf, dc );
|
|
return NULL;
|
|
}
|
|
|
|
physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
|
|
physDev->handles_size = HANDLE_LIST_INC;
|
|
physDev->cur_handles = 0;
|
|
|
|
physDev->hFile = 0;
|
|
|
|
physDev->mh->mtHeaderSize = sizeof(METAHEADER) / sizeof(WORD);
|
|
physDev->mh->mtVersion = 0x0300;
|
|
physDev->mh->mtSize = physDev->mh->mtHeaderSize;
|
|
physDev->mh->mtNoObjects = 0;
|
|
physDev->mh->mtMaxRecord = 0;
|
|
physDev->mh->mtNoParameters = 0;
|
|
|
|
return dc;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* MFDRV_DeleteDC
|
|
*/
|
|
static BOOL MFDRV_DeleteDC( PHYSDEV dev )
|
|
{
|
|
METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
|
|
DC *dc = physDev->dc;
|
|
DWORD index;
|
|
|
|
HeapFree( GetProcessHeap(), 0, physDev->mh );
|
|
for(index = 0; index < physDev->handles_size; index++)
|
|
if(physDev->handles[index])
|
|
GDI_hdc_not_using_object(physDev->handles[index], physDev->hdc);
|
|
HeapFree( GetProcessHeap(), 0, physDev->handles );
|
|
HeapFree( GetProcessHeap(), 0, physDev );
|
|
dc->physDev = NULL;
|
|
GDI_FreeObject( dc->hSelf, dc );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* CreateMetaFileW (GDI32.@)
|
|
*
|
|
* Create a new DC and associate it with a metafile. Pass a filename
|
|
* to create a disk-based metafile, NULL to create a memory metafile.
|
|
*
|
|
* PARAMS
|
|
* filename [I] Filename of disk metafile
|
|
*
|
|
* RETURNS
|
|
* A handle to the metafile DC if successful, NULL on failure.
|
|
*/
|
|
HDC WINAPI CreateMetaFileW( LPCWSTR filename )
|
|
{
|
|
HDC ret;
|
|
DC *dc;
|
|
METAFILEDRV_PDEVICE *physDev;
|
|
HANDLE hFile;
|
|
|
|
TRACE("'%s'\n", debugstr_w(filename) );
|
|
|
|
if (!(dc = MFDRV_AllocMetaFile())) return 0;
|
|
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
|
|
|
|
if (filename) /* disk based metafile */
|
|
{
|
|
physDev->mh->mtType = METAFILE_DISK;
|
|
if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
|
|
CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return 0;
|
|
}
|
|
if (!WriteFile( hFile, physDev->mh, sizeof(*physDev->mh), NULL,
|
|
NULL )) {
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return 0;
|
|
}
|
|
physDev->hFile = hFile;
|
|
|
|
/* Grow METAHEADER to include filename */
|
|
physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename, TRUE);
|
|
}
|
|
else /* memory based metafile */
|
|
physDev->mh->mtType = METAFILE_MEMORY;
|
|
|
|
TRACE("returning %p\n", dc->hSelf);
|
|
ret = dc->hSelf;
|
|
GDI_ReleaseObj( dc->hSelf );
|
|
return ret;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* CreateMetaFileA (GDI32.@)
|
|
*/
|
|
HDC WINAPI CreateMetaFileA(LPCSTR filename)
|
|
{
|
|
LPWSTR filenameW;
|
|
DWORD len;
|
|
HDC hReturnDC;
|
|
|
|
if (!filename) return CreateMetaFileW(NULL);
|
|
|
|
len = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
|
|
filenameW = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
|
|
MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, len );
|
|
|
|
hReturnDC = CreateMetaFileW(filenameW);
|
|
|
|
HeapFree( GetProcessHeap(), 0, filenameW );
|
|
|
|
return hReturnDC;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* MFDRV_CloseMetaFile
|
|
*/
|
|
static DC *MFDRV_CloseMetaFile( HDC hdc )
|
|
{
|
|
DC *dc;
|
|
METAFILEDRV_PDEVICE *physDev;
|
|
|
|
TRACE("(%p)\n", hdc );
|
|
|
|
if (!(dc = (DC *) GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0;
|
|
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
|
|
|
|
/* Construct the end of metafile record - this is documented
|
|
* in SDK Knowledgebase Q99334.
|
|
*/
|
|
|
|
if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
|
|
{
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return 0;
|
|
}
|
|
|
|
if (physDev->mh->mtType == METAFILE_DISK) /* disk based metafile */
|
|
{
|
|
if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return 0;
|
|
}
|
|
|
|
physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
|
|
if (!WriteFile(physDev->hFile, (LPSTR)physDev->mh,
|
|
sizeof(*physDev->mh), NULL, NULL)) {
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return 0;
|
|
}
|
|
CloseHandle(physDev->hFile);
|
|
physDev->mh->mtType = METAFILE_DISK;
|
|
}
|
|
|
|
return dc;
|
|
}
|
|
|
|
/******************************************************************
|
|
* CloseMetaFile (GDI.126)
|
|
*
|
|
* PARAMS
|
|
* hdc [I] Metafile DC to close
|
|
*/
|
|
HMETAFILE16 WINAPI CloseMetaFile16(HDC16 hdc)
|
|
{
|
|
HMETAFILE16 hmf;
|
|
METAFILEDRV_PDEVICE *physDev;
|
|
DC *dc = MFDRV_CloseMetaFile(HDC_32(hdc));
|
|
if (!dc) return 0;
|
|
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
|
|
|
|
/* Now allocate a global handle for the metafile */
|
|
|
|
hmf = MF_Create_HMETAFILE16( physDev->mh );
|
|
|
|
physDev->mh = NULL; /* So it won't be deleted */
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return hmf;
|
|
}
|
|
|
|
/******************************************************************
|
|
* CloseMetaFile (GDI32.@)
|
|
*
|
|
* Stop recording graphics operations in metafile associated with
|
|
* hdc and retrieve metafile.
|
|
*
|
|
* PARAMS
|
|
* hdc [I] Metafile DC to close
|
|
*
|
|
* RETURNS
|
|
* Handle of newly created metafile on success, NULL on failure.
|
|
*/
|
|
HMETAFILE WINAPI CloseMetaFile(HDC hdc)
|
|
{
|
|
HMETAFILE hmf;
|
|
METAFILEDRV_PDEVICE *physDev;
|
|
DC *dc = MFDRV_CloseMetaFile(hdc);
|
|
if (!dc) return 0;
|
|
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
|
|
|
|
/* Now allocate a global handle for the metafile */
|
|
|
|
hmf = MF_Create_HMETAFILE( physDev->mh );
|
|
|
|
physDev->mh = NULL; /* So it won't be deleted */
|
|
MFDRV_DeleteDC( dc->physDev );
|
|
return hmf;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_WriteRecord
|
|
*
|
|
* Warning: this function can change the pointer to the metafile header.
|
|
*/
|
|
BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
|
|
{
|
|
DWORD len, size;
|
|
METAHEADER *mh;
|
|
METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
|
|
|
|
switch(physDev->mh->mtType)
|
|
{
|
|
case METAFILE_MEMORY:
|
|
len = physDev->mh->mtSize * 2 + rlen;
|
|
/* reallocate memory if needed */
|
|
size = HeapSize( GetProcessHeap(), 0, physDev->mh );
|
|
if (len > size)
|
|
{
|
|
/*expand size*/
|
|
size += size / 2 + rlen;
|
|
mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, size);
|
|
if (!mh) return FALSE;
|
|
physDev->mh = mh;
|
|
TRACE("Reallocated metafile: new size is %ld\n",size);
|
|
}
|
|
memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
|
|
break;
|
|
case METAFILE_DISK:
|
|
TRACE("Writing record to disk\n");
|
|
if (!WriteFile(physDev->hFile, (char *)mr, rlen, NULL, NULL))
|
|
return FALSE;
|
|
break;
|
|
default:
|
|
ERR("Unknown metafile type %d\n", physDev->mh->mtType );
|
|
return FALSE;
|
|
}
|
|
|
|
physDev->mh->mtSize += rlen / 2;
|
|
physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_MetaParam0
|
|
*/
|
|
|
|
BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
|
|
{
|
|
char buffer[8];
|
|
METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = 3;
|
|
mr->rdFunction = func;
|
|
return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_MetaParam1
|
|
*/
|
|
BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
|
|
{
|
|
char buffer[8];
|
|
METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = 4;
|
|
mr->rdFunction = func;
|
|
*(mr->rdParm) = param1;
|
|
return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_MetaParam2
|
|
*/
|
|
BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
|
|
{
|
|
char buffer[10];
|
|
METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = 5;
|
|
mr->rdFunction = func;
|
|
*(mr->rdParm) = param2;
|
|
*(mr->rdParm + 1) = param1;
|
|
return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_MetaParam4
|
|
*/
|
|
|
|
BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
|
|
short param3, short param4)
|
|
{
|
|
char buffer[14];
|
|
METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = 7;
|
|
mr->rdFunction = func;
|
|
*(mr->rdParm) = param4;
|
|
*(mr->rdParm + 1) = param3;
|
|
*(mr->rdParm + 2) = param2;
|
|
*(mr->rdParm + 3) = param1;
|
|
return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_MetaParam6
|
|
*/
|
|
|
|
BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
|
|
short param3, short param4, short param5, short param6)
|
|
{
|
|
char buffer[18];
|
|
METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = 9;
|
|
mr->rdFunction = func;
|
|
*(mr->rdParm) = param6;
|
|
*(mr->rdParm + 1) = param5;
|
|
*(mr->rdParm + 2) = param4;
|
|
*(mr->rdParm + 3) = param3;
|
|
*(mr->rdParm + 4) = param2;
|
|
*(mr->rdParm + 5) = param1;
|
|
return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_MetaParam8
|
|
*/
|
|
BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
|
|
short param3, short param4, short param5,
|
|
short param6, short param7, short param8)
|
|
{
|
|
char buffer[22];
|
|
METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = 11;
|
|
mr->rdFunction = func;
|
|
*(mr->rdParm) = param8;
|
|
*(mr->rdParm + 1) = param7;
|
|
*(mr->rdParm + 2) = param6;
|
|
*(mr->rdParm + 3) = param5;
|
|
*(mr->rdParm + 4) = param4;
|
|
*(mr->rdParm + 5) = param3;
|
|
*(mr->rdParm + 6) = param2;
|
|
*(mr->rdParm + 7) = param1;
|
|
return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* MFDRV_ExtEscape
|
|
*/
|
|
INT MFDRV_ExtEscape( PHYSDEV dev, INT nEscape, INT cbInput, LPCVOID in_data,
|
|
INT cbOutput, LPVOID out_data )
|
|
{
|
|
METARECORD *mr;
|
|
DWORD len;
|
|
INT ret;
|
|
|
|
len = sizeof(*mr) + sizeof(WORD) + ((cbInput + 1) & ~1);
|
|
mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
|
|
mr->rdSize = len / 2;
|
|
mr->rdFunction = META_ESCAPE;
|
|
mr->rdParm[0] = nEscape;
|
|
mr->rdParm[1] = cbInput;
|
|
memcpy(&(mr->rdParm[2]), in_data, cbInput);
|
|
ret = MFDRV_WriteRecord( dev, mr, len);
|
|
HeapFree(GetProcessHeap(), 0, mr);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* MFDRV_GetDeviceCaps
|
|
*
|
|
*A very simple implementation that returns DT_METAFILE
|
|
*/
|
|
INT MFDRV_GetDeviceCaps(PHYSDEV dev, INT cap)
|
|
{
|
|
switch(cap)
|
|
{
|
|
case TECHNOLOGY:
|
|
return DT_METAFILE;
|
|
case TEXTCAPS:
|
|
return 0;
|
|
default:
|
|
TRACE(" unsupported capability %d, will return 0\n", cap );
|
|
}
|
|
return 0;
|
|
}
|