init.c

Wine-20031016

/*
 * 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 "mfdrv/metafiledrv.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(metafile);

static const DC_FUNCTIONS MFDRV_Funcs =
{
    NULL,                            /* pAbortDoc */
    MFDRV_AbortPath,                 /* pAbortPath */
    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 */
    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,                            /* pSetDCOrg */
    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 = (METAFILEDRV_PDEVICE *)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->nextHandle = 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;

    if (physDev->mh) HeapFree( GetProcessHeap(), 0, physDev->mh );
    HeapFree( GetProcessHeap(), 0, physDev );
    dc->physDev = NULL;
    GDI_FreeObject( dc->hSelf, dc );
    return TRUE;
}


/**********************************************************************
 *	     CreateMetaFileA   (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.
 *
 * RETURNS
 *  A handle to the metafile DC if successful, NULL on failure.
 */
HDC WINAPI CreateMetaFileA( LPCSTR filename ) /* [in] Filename of disk metafile */
{
    HDC ret;
    DC *dc;
    METAFILEDRV_PDEVICE *physDev;
    HANDLE hFile;

    TRACE("'%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 = CreateFileA(filename, GENERIC_WRITE, 0, NULL,
				CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
            MFDRV_DeleteDC( dc->physDev );
            return 0;
        }
        if (!WriteFile( hFile, (LPSTR)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);
    }
    else  /* memory based metafile */
	physDev->mh->mtType = METAFILE_MEMORY;

    TRACE("returning %p\n", dc->hSelf);
    ret = dc->hSelf;
    GDI_ReleaseObj( dc->hSelf );
    return ret;
}

/**********************************************************************
 *          CreateMetaFileW   (GDI32.@)
 */
HDC WINAPI CreateMetaFileW(LPCWSTR filename)
{
    LPSTR filenameA;
    DWORD len;
    HDC hReturnDC;

    if (!filename) return CreateMetaFileA(NULL);

    len = WideCharToMultiByte( CP_ACP, 0, filename, -1, NULL, 0, NULL, NULL );
    filenameA = HeapAlloc( GetProcessHeap(), 0, len );
    WideCharToMultiByte( CP_ACP, 0, filename, -1, filenameA, len, NULL, NULL );

    hReturnDC = CreateMetaFileA(filenameA);

    HeapFree( GetProcessHeap(), 0, filenameA );

    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;