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Sweden-Number/graphics/metafiledrv/init.c

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C
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/*
* Metafile driver initialisation functions
*
* Copyright 1996 Alexandre Julliard
*/
#include "metafiledrv.h"
#include "dc.h"
#include "heap.h"
#include "global.h"
#include "metafile.h"
#include "debug.h"
#include <string.h>
static const DC_FUNCTIONS MFDRV_Funcs =
{
MFDRV_Arc, /* pArc */
MFDRV_BitBlt, /* pBitBlt */
MFDRV_Chord, /* pChord */
NULL, /* no implementation */ /* pCreateDC */
NULL, /* no implementation */ /* pDeleteDC */
NULL, /* pDeleteObject */
MFDRV_Ellipse, /* pEllipse */
NULL, /* pEnumDeviceFonts */
NULL, /* pEscape */
NULL, /* pExcludeClipRect */
NULL, /* pExcludeVisRect */
MFDRV_ExtFloodFill, /* pExtFloodFill */
MFDRV_ExtTextOut, /* pExtTextOut */
NULL, /* pGetCharWidth */
NULL, /* no implementation */ /* pGetPixel */
NULL, /* pGetTextExtentPoint */
NULL, /* pGetTextMetrics */
NULL, /* pIntersectClipRect */
NULL, /* pIntersectVisRect */
MFDRV_LineTo, /* pLineTo */
MFDRV_MoveToEx, /* pMoveToEx */
NULL, /* pOffsetClipRgn */
MFDRV_OffsetViewportOrg, /* pOffsetViewportOrg */
MFDRV_OffsetWindowOrg, /* pOffsetWindowOrg */
MFDRV_PaintRgn, /* pPaintRgn */
MFDRV_PatBlt, /* pPatBlt */
MFDRV_Pie, /* pPie */
MFDRV_PolyPolygon, /* pPolyPolygon */
NULL, /* pPolyPolyline */
MFDRV_Polygon, /* pPolygon */
MFDRV_Polyline, /* pPolyline */
NULL, /* pPolyBezier */
NULL, /* pRealizePalette */
MFDRV_Rectangle, /* pRectangle */
NULL, /* pRestoreDC */
MFDRV_RoundRect, /* pRoundRect */
NULL, /* pSaveDC */
MFDRV_ScaleViewportExt, /* pScaleViewportExt */
MFDRV_ScaleWindowExt, /* pScaleWindowExt */
NULL, /* pSelectClipRgn */
MFDRV_SelectObject, /* pSelectObject */
NULL, /* pSelectPalette */
NULL, /* pSetBkColor */
NULL, /* pSetBkMode */
NULL, /* pSetDeviceClipping */
NULL, /* pSetDIBitsToDevice */
MFDRV_SetMapMode, /* pSetMapMode */
NULL, /* pSetMapperFlags */
MFDRV_SetPixel, /* pSetPixel */
NULL, /* pSetPolyFillMode */
NULL, /* pSetROP2 */
NULL, /* pSetRelAbs */
NULL, /* pSetStretchBltMode */
NULL, /* pSetTextAlign */
NULL, /* pSetTextCharacterExtra */
NULL, /* pSetTextColor */
NULL, /* pSetTextJustification */
MFDRV_SetViewportExt, /* pSetViewportExt */
MFDRV_SetViewportOrg, /* pSetViewportOrg */
MFDRV_SetWindowExt, /* pSetWindowExt */
MFDRV_SetWindowOrg, /* pSetWindowOrg */
MFDRV_StretchBlt, /* pStretchBlt */
NULL /* pStretchDIBits */
};
/**********************************************************************
* MFDRV_AllocMetaFile
*/
static DC *MFDRV_AllocMetaFile(void)
{
DC *dc;
METAFILEDRV_PDEVICE *physDev;
if (!(dc = DC_AllocDC( &MFDRV_Funcs ))) return NULL;
dc->header.wMagic = METAFILE_DC_MAGIC;
physDev = (METAFILEDRV_PDEVICE *)HeapAlloc(SystemHeap,0,sizeof(*physDev));
if (!physDev)
{
GDI_HEAP_FREE( dc->hSelf );
return NULL;
}
dc->physDev = physDev;
if (!(physDev->mh = HeapAlloc( SystemHeap, 0, sizeof(*physDev->mh) )))
{
HeapFree( SystemHeap, 0, physDev );
GDI_HEAP_FREE( dc->hSelf );
return NULL;
}
physDev->nextHandle = 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;
/* DC_InitDC( dc ); */
return dc;
}
/**********************************************************************
* MFDRV_DeleteDC
*/
static BOOL32 MFDRV_DeleteDC( DC *dc )
{
METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
if (physDev->mh) HeapFree( SystemHeap, 0, physDev->mh );
HeapFree( SystemHeap, 0, physDev );
dc->physDev = NULL;
GDI_FreeObject(dc->hSelf);
return TRUE;
}
/**********************************************************************
* CreateMetaFile16 (GDI.125)
*
* 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.
*
* RETURNS
* A handle to the metafile DC if successful, NULL on failure.
*/
HDC16 WINAPI CreateMetaFile16(
LPCSTR filename /* Filename of disk metafile */
)
{
DC *dc;
METAFILEDRV_PDEVICE *physDev;
HFILE32 hFile;
TRACE(metafile, "'%s'\n", filename );
if (!(dc = MFDRV_AllocMetaFile())) return 0;
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
if (filename) /* disk based metafile */
{
physDev->mh->mtType = METAFILE_DISK;
if ((hFile = _lcreat32( filename, 0 )) == HFILE_ERROR32)
{
MFDRV_DeleteDC( dc );
return 0;
}
if (_lwrite32( hFile, (LPSTR)physDev->mh,
sizeof(*physDev->mh)) == HFILE_ERROR32)
{
MFDRV_DeleteDC( dc );
return 0;
}
physDev->mh->mtNoParameters = hFile; /* store file descriptor here */
/* windows probably uses this too*/
}
else /* memory based metafile */
physDev->mh->mtType = METAFILE_MEMORY;
TRACE(metafile, "returning %04x\n", dc->hSelf);
return dc->hSelf;
}
/**********************************************************************
* CreateMetaFile32A (GDI32.51)
*/
HDC32 WINAPI CreateMetaFile32A(
LPCSTR filename /* Filename of disk metafile */
)
{
return CreateMetaFile16( filename );
}
static DC *METAFILE_CloseMetaFile( HDC32 hdc )
{
DC *dc;
HFILE32 hFile;
METAFILEDRV_PDEVICE *physDev;
TRACE(metafile, "(%04x)\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 (!MF_MetaParam0(dc, META_EOF))
{
MFDRV_DeleteDC( dc );
return 0;
}
if (physDev->mh->mtType == METAFILE_DISK) /* disk based metafile */
{
hFile = physDev->mh->mtNoParameters;
physDev->mh->mtNoParameters = 0;
if (_llseek32(hFile, 0L, 0) == HFILE_ERROR32)
{
MFDRV_DeleteDC( dc );
return 0;
}
if (_lwrite32( hFile, (LPSTR)physDev->mh,
sizeof(*physDev->mh)) == HFILE_ERROR32)
{
MFDRV_DeleteDC( dc );
return 0;
}
_lclose32(hFile);
}
return dc;
}
/******************************************************************
* CloseMetaFile16 (GDI.126)
*/
HMETAFILE16 WINAPI CloseMetaFile16(
HDC16 hdc /* Metafile DC to close */
)
{
HMETAFILE16 hmf;
METAFILEDRV_PDEVICE *physDev;
DC *dc = METAFILE_CloseMetaFile(hdc);
if (!dc) return 0;
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
/* Now allocate a global handle for the metafile */
hmf = GLOBAL_CreateBlock( GMEM_MOVEABLE, physDev->mh,
physDev->mh->mtSize * sizeof(WORD),
GetCurrentPDB(), FALSE, FALSE, FALSE, NULL );
physDev->mh = NULL; /* So it won't be deleted */
MFDRV_DeleteDC( dc );
return hmf;
}
/******************************************************************
* CloseMetaFile32 (GDI32.17)
*
* Stop recording graphics operations in metafile associated with
* hdc and retrieve metafile.
*
* RETURNS
* Handle of newly created metafile on success, NULL on failure.
*/
HMETAFILE32 WINAPI CloseMetaFile32(
HDC32 hdc /* Metafile DC to close */
)
{
return CloseMetaFile16(hdc);
}
/******************************************************************
* DeleteMetaFile16 (GDI.127)
*/
BOOL16 WINAPI DeleteMetaFile16(
HMETAFILE16 hmf
/* Handle of memory metafile to delete */
)
{
return !GlobalFree16( hmf );
}
/******************************************************************
* DeleteMetaFile32 (GDI32.69)
*
* Delete a memory-based metafile.
*/
BOOL32 WINAPI DeleteMetaFile32(
HMETAFILE32 hmf
) {
return !GlobalFree16( hmf );
}
/********************************************************************
Enhanced Metafile driver initializations
This possibly should be moved to their own file/directory
at some point.
**********************************************************************/
/*
need wide version as well
*/
HDC32 CreateEnhMetaFile32A(
HDC32 hdc, /* optional reference DC */
LPCSTR filename, /* optional filename for disk metafiles */
const RECT32 *rect, /* optional bounding rectangle */
LPCSTR description /* optional description */
)
{
#if 0
DC *dc;
METAFILEDRV_PDEVICE *physDev;
HFILE32 hFile;
if (!(dc = MFDRV_AllocMetaFile())) return 0;
physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
if (filename) /* disk based metafile */
{
physDev->mh->mtType = METAFILE_DISK;
if ((hFile = _lcreat32( filename, 0 )) == HFILE_ERROR32)
{
MFDRV_DeleteDC( dc );
return 0;
}
if (_lwrite32( hFile, (LPSTR)physDev->mh,
sizeof(*physDev->mh)) == HFILE_ERROR32)
{
MFDRV_DeleteDC( dc );
return 0;
}
physDev->mh->mtNoParameters = hFile; /* store file descriptor here */
/* windows probably uses this too*/
}
else /* memory based metafile */
physDev->mh->mtType = METAFILE_MEMORY;
TRACE(metafile, "returning %04x\n", dc->hSelf);
return dc->hSelf;
#endif
return 0;
}
HENHMETAFILE32 CloseEnhMetaFile32(
HDC32 hdc /* metafile DC */
)
{
/* write EMR_EOF(0x0, 0x10, 0x14) */
return 0;
}
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