241 lines
7.8 KiB
C
241 lines
7.8 KiB
C
/*
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* Metafile driver initialisation functions
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*
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* Copyright 1996 Alexandre Julliard
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*/
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#include "metafiledrv.h"
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#include "dc.h"
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#include "heap.h"
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#include "global.h"
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#include "metafile.h"
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#include "stddebug.h"
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#include "debug.h"
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static BOOL32 MFDRV_DeleteDC( DC *dc );
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static const DC_FUNCTIONS MFDRV_Funcs =
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{
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NULL, /* pArc */
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MFDRV_BitBlt, /* pBitBlt */
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NULL, /* pChord */
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NULL, /* pCreateDC */
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MFDRV_DeleteDC, /* pDeleteDC */
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NULL, /* pDeleteObject */
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NULL, /* pEllipse */
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NULL, /* pEscape */
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NULL, /* pExcludeClipRect */
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NULL, /* pExcludeVisRect */
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NULL, /* pExtFloodFill */
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NULL, /* pExtTextOut */
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NULL, /* pFillRgn */
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NULL, /* pFloodFill */
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NULL, /* pFrameRgn */
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NULL, /* pGetTextExtentPoint */
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NULL, /* pGetTextMetrics */
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NULL, /* pIntersectClipRect */
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NULL, /* pIntersectVisRect */
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NULL, /* pInvertRgn */
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NULL, /* pLineTo */
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NULL, /* pMoveToEx */
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NULL, /* pOffsetClipRgn */
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NULL, /* pOffsetViewportOrgEx */
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NULL, /* pOffsetWindowOrgEx */
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NULL, /* pPaintRgn */
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MFDRV_PatBlt, /* pPatBlt */
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NULL, /* pPie */
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NULL, /* pPolyPolygon */
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NULL, /* pPolygon */
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NULL, /* pPolyline */
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NULL, /* pRealizePalette */
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NULL, /* pRectangle */
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NULL, /* pRestoreDC */
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NULL, /* pRoundRect */
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NULL, /* pSaveDC */
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NULL, /* pScaleViewportExtEx */
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NULL, /* pScaleWindowExtEx */
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NULL, /* pSelectClipRgn */
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NULL, /* pSelectObject */
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NULL, /* pSelectPalette */
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NULL, /* pSetBkColor */
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NULL, /* pSetBkMode */
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NULL, /* pSetDeviceClipping */
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NULL, /* pSetDIBitsToDevice */
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NULL, /* pSetMapMode */
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NULL, /* pSetMapperFlags */
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NULL, /* pSetPixel */
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NULL, /* pSetPolyFillMode */
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NULL, /* pSetROP2 */
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NULL, /* pSetRelAbs */
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NULL, /* pSetStretchBltMode */
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NULL, /* pSetTextAlign */
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NULL, /* pSetTextCharacterExtra */
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NULL, /* pSetTextColor */
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NULL, /* pSetTextJustification */
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NULL, /* pSetViewportExtEx */
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NULL, /* pSetViewportOrgEx */
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NULL, /* pSetWindowExtEx */
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NULL, /* pSetWindowOrgEx */
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MFDRV_StretchBlt, /* pStretchBlt */
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NULL, /* pStretchDIBits */
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NULL /* pTextOut */
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};
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/**********************************************************************
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* MFDRV_AllocMetaFile
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*/
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static DC *MFDRV_AllocMetaFile(void)
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{
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DC *dc;
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METAFILEDRV_PDEVICE *physDev;
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if (!(dc = DC_AllocDC( &MFDRV_Funcs ))) return NULL;
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dc->header.wMagic = METAFILE_DC_MAGIC;
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physDev = (METAFILEDRV_PDEVICE *)HeapAlloc(SystemHeap,0,sizeof(*physDev));
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if (!physDev)
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{
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GDI_HEAP_FREE( dc->hSelf );
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return NULL;
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}
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dc->physDev = physDev;
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if (!(physDev->mh = HeapAlloc( SystemHeap, 0, sizeof(*physDev->mh) )))
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{
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HeapFree( SystemHeap, 0, physDev );
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GDI_HEAP_FREE( dc->hSelf );
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return NULL;
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}
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physDev->nextHandle = 0;
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physDev->mh->mtHeaderSize = sizeof(METAHEADER) / sizeof(WORD);
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physDev->mh->mtVersion = 0x0300;
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physDev->mh->mtSize = physDev->mh->mtHeaderSize;
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physDev->mh->mtNoObjects = 0;
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physDev->mh->mtMaxRecord = 0;
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physDev->mh->mtNoParameters = 0;
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/* DC_InitDC( dc ); */
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return dc;
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}
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/**********************************************************************
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* MFDRV_DeleteDC
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*/
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static BOOL32 MFDRV_DeleteDC( DC *dc )
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{
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
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if (physDev->mh) HeapFree( SystemHeap, 0, physDev->mh );
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HeapFree( SystemHeap, 0, physDev );
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dc->physDev = NULL;
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return TRUE;
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}
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/**********************************************************************
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* CreateMetafile16 (GDI.125)
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*/
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HDC16 CreateMetaFile16( LPCSTR filename )
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{
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DC *dc;
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METAFILEDRV_PDEVICE *physDev;
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HFILE hFile;
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dprintf_metafile( stddeb, "CreateMetaFile16: '%s'\n", filename );
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if (!(dc = MFDRV_AllocMetaFile())) return 0;
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physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
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if (filename) /* disk based metafile */
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{
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physDev->mh->mtType = METAFILE_DISK;
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if ((hFile = _lcreat( filename, 0 )) == HFILE_ERROR)
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{
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DeleteDC( dc->hSelf );
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return 0;
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}
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if (_lwrite32( hFile, (LPSTR)physDev->mh,
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sizeof(*physDev->mh)) == HFILE_ERROR)
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{
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DeleteDC( dc->hSelf );
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return 0;
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}
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physDev->mh->mtNoParameters = hFile; /* store file descriptor here */
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/* windows probably uses this too*/
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}
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else /* memory based metafile */
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physDev->mh->mtType = METAFILE_MEMORY;
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dprintf_metafile( stddeb, "CreateMetaFile16: returning %04x\n", dc->hSelf);
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return dc->hSelf;
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}
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/******************************************************************
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* CloseMetafile16 (GDI.126)
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*/
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HMETAFILE16 CloseMetaFile16( HDC16 hdc )
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{
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DC *dc;
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HMETAFILE16 hmf;
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HFILE hFile;
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METAFILEDRV_PDEVICE *physDev;
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dprintf_metafile( stddeb, "CloseMetaFile(%04x)\n", hdc );
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if (!(dc = DC_GetDCPtr( hdc ))) return 0;
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physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
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/* Construct the end of metafile record - this is documented
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* in SDK Knowledgebase Q99334.
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*/
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if (!MF_MetaParam0(dc, META_EOF))
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{
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DeleteDC( hdc );
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return 0;
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}
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if (physDev->mh->mtType == METAFILE_DISK) /* disk based metafile */
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{
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hFile = physDev->mh->mtNoParameters;
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physDev->mh->mtNoParameters = 0;
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if (_llseek(hFile, 0L, 0) == HFILE_ERROR)
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{
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DeleteDC( hdc );
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return 0;
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}
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if (_lwrite32( hFile, (LPSTR)physDev->mh,
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sizeof(*physDev->mh)) == HFILE_ERROR)
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{
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DeleteDC( hdc );
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return 0;
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}
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_lclose(hFile);
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}
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/* Now allocate a global handle for the metafile */
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hmf = GLOBAL_CreateBlock( GMEM_MOVEABLE, physDev->mh,
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physDev->mh->mtSize * sizeof(WORD),
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GetCurrentPDB(), FALSE, FALSE, FALSE, NULL );
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physDev->mh = NULL; /* So it won't be deleted */
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DeleteDC( hdc );
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return hmf;
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}
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/******************************************************************
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* DeleteMetafile16 (GDI.127)
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*/
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BOOL16 DeleteMetaFile16( HMETAFILE16 hmf )
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{
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return !GlobalFree16( hmf );
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}
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