Sweden-Number/dlls/gdi32/mfdrv/init.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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>
#include <string.h>

#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "ntgdi_private.h"
#include "mfdrv/metafiledrv.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(metafile);

static BOOL CDECL MFDRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev );
static BOOL CDECL MFDRV_DeleteDC( PHYSDEV dev );


/**********************************************************************
 *           METADC_ExtEscape
 */
BOOL METADC_ExtEscape( HDC hdc, INT escape, INT input_size, const void *input,
                       INT output_size, void *output )
{
    METARECORD *mr;
    DWORD len;
    BOOL ret;

    if (output_size) return FALSE;  /* escapes that require output cannot work in metafiles */

    len = sizeof(*mr) + sizeof(WORD) + ((input_size + 1) & ~1);
    mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
    mr->rdSize = len / 2;
    mr->rdFunction = META_ESCAPE;
    mr->rdParm[0] = escape;
    mr->rdParm[1] = input_size;
    memcpy( &mr->rdParm[2], input, input_size );
    ret = metadc_record( hdc, mr, len );
    HeapFree(GetProcessHeap(), 0, mr);
    return ret;
}


/******************************************************************
 *         MFDRV_GetBoundsRect
 */
static UINT CDECL MFDRV_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
{
    return 0;
}


/******************************************************************
 *         MFDRV_SetBoundsRect
 */
static UINT CDECL MFDRV_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
{
    return 0;
}


/******************************************************************
 *         METADC_GetDeviceCaps
 *
 *A very simple implementation that returns DT_METAFILE
 */
INT METADC_GetDeviceCaps( HDC hdc, INT cap )
{
    if (!get_metadc_ptr( hdc )) return 0;

    switch(cap)
    {
    case TECHNOLOGY:
        return DT_METAFILE;
    case TEXTCAPS:
        return 0;
    default:
        TRACE(" unsupported capability %d, will return 0\n", cap );
    }
    return 0;
}


static const struct gdi_dc_funcs MFDRV_Funcs =
{
    NULL,                            /* pAbortDoc */
    MFDRV_AbortPath,                 /* pAbortPath */
    NULL,                            /* pAlphaBlend */
    NULL,                            /* pAngleArc */
    NULL,                            /* pArc */
    MFDRV_ArcTo,                     /* pArcTo */
    MFDRV_BeginPath,                 /* pBeginPath */
    NULL,                            /* pBlendImage */
    NULL,                            /* pChord */
    MFDRV_CloseFigure,               /* pCloseFigure */
    MFDRV_CreateCompatibleDC,        /* pCreateCompatibleDC */
    NULL,                            /* pCreateDC */
    MFDRV_DeleteDC,                  /* pDeleteDC */
    NULL,                            /* pDeleteObject */
    NULL,                            /* pDeviceCapabilities */
    NULL,                            /* pEllipse */
    NULL,                            /* pEndDoc */
    NULL,                            /* pEndPage */
    MFDRV_EndPath,                   /* pEndPath */
    NULL,                            /* pEnumFonts */
    NULL,                            /* pEnumICMProfiles */
    NULL,                            /* pExtDeviceMode */
    NULL,                            /* pExtEscape */
    NULL,                            /* pExtFloodFill */
    NULL,                            /* pExtTextOut */
    MFDRV_FillPath,                  /* pFillPath */
    MFDRV_FillRgn,                   /* pFillRgn */
    MFDRV_FlattenPath,               /* pFlattenPath */
    NULL,                            /* pFontIsLinked */
    NULL,                            /* pFrameRgn */
    NULL,                            /* pGdiComment */
    MFDRV_GetBoundsRect,             /* pGetBoundsRect */
    NULL,                            /* pGetCharABCWidths */
    NULL,                            /* pGetCharABCWidthsI */
    NULL,                            /* pGetCharWidth */
    NULL,                            /* pGetCharWidthInfo */
    NULL,                            /* pGetDeviceCaps */
    NULL,                            /* pGetDeviceGammaRamp */
    NULL,                            /* pGetFontData */
    NULL,                            /* pGetFontRealizationInfo */
    NULL,                            /* pGetFontUnicodeRanges */
    NULL,                            /* pGetGlyphIndices */
    NULL,                            /* pGetGlyphOutline */
    NULL,                            /* pGetICMProfile */
    NULL,                            /* pGetImage */
    NULL,                            /* pGetKerningPairs */
    NULL,                            /* pGetNearestColor */
    NULL,                            /* pGetOutlineTextMetrics */
    NULL,                            /* pGetPixel */
    NULL,                            /* pGetSystemPaletteEntries */
    NULL,                            /* pGetTextCharsetInfo */
    NULL,                            /* pGetTextExtentExPoint */
    NULL,                            /* pGetTextExtentExPointI */
    NULL,                            /* pGetTextFace */
    NULL,                            /* pGetTextMetrics */
    NULL,                            /* pGradientFill */
    NULL,                            /* pInvertRgn */
    NULL,                            /* pLineTo */
    NULL,                            /* pMoveTo */
    NULL,                            /* pPaintRgn */
    NULL,                            /* pPatBlt */
    NULL,                            /* pPie */
    MFDRV_PolyBezier,                /* pPolyBezier */
    MFDRV_PolyBezierTo,              /* pPolyBezierTo */
    NULL,                            /* pPolyDraw */
    NULL,                            /* pPolyPolygon */
    NULL,                            /* pPolyPolyline */
    NULL,                            /* pPolylineTo */
    NULL,                            /* pPutImage */
    NULL,                            /* pRealizeDefaultPalette */
    NULL,                            /* pRealizePalette */
    NULL,                            /* pRectangle */
    NULL,                            /* pResetDC */
    NULL,                            /* pRestoreDC */
    NULL,                            /* pRoundRect */
    NULL,                            /* pSelectBitmap */
    NULL,                            /* pSelectBrush */
    MFDRV_SelectClipPath,            /* pSelectClipPath */
    NULL,                            /* pSelectFont */
    NULL,                            /* pSelectPen */
    NULL,                            /* pSetBkColor */
    MFDRV_SetBoundsRect,             /* pSetBoundsRect */
    MFDRV_SetDCBrushColor,           /* pSetDCBrushColor*/
    MFDRV_SetDCPenColor,             /* pSetDCPenColor*/
    NULL,                            /* pSetDIBitsToDevice */
    NULL,                            /* pSetDeviceClipping */
    NULL,                            /* pSetDeviceGammaRamp */
    NULL,                            /* pSetPixel */
    NULL,                            /* pSetTextColor */
    NULL,                            /* pStartDoc */
    NULL,                            /* pStartPage */
    NULL,                            /* pStretchBlt */
    NULL,                            /* pStretchDIBits */
    MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
    MFDRV_StrokePath,                /* pStrokePath */
    NULL,                            /* pUnrealizePalette */
    MFDRV_WidenPath,                 /* pWidenPath */
    NULL,                            /* pD3DKMTCheckVidPnExclusiveOwnership */
    NULL,                            /* pD3DKMTSetVidPnSourceOwner */
    NULL,                            /* wine_get_wgl_driver */
    NULL,                            /* wine_get_vulkan_driver */
    GDI_PRIORITY_GRAPHICS_DRV        /* priority */
};



/**********************************************************************
 *	     MFDRV_AllocMetaFile
 */
static DC *MFDRV_AllocMetaFile(void)
{
    DC *dc;
    struct metadc *physDev;

    if (!(dc = alloc_dc_ptr( NTGDI_OBJ_METADC ))) return NULL;

    physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
    if (!physDev)
    {
        free_dc_ptr( dc );
        return NULL;
    }
    if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
    {
        HeapFree( GetProcessHeap(), 0, physDev );
        free_dc_ptr( dc );
        return NULL;
    }

    push_dc_driver( &dc->physDev, &physDev->dev, &MFDRV_Funcs );
    set_gdi_client_ptr( dc->hSelf, physDev );

    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;

    NtGdiSetVirtualResolution( physDev->dev.hdc, 0, 0, 0, 0);

    return dc;
}


/**********************************************************************
 *	     MFDRV_CreateCompatibleDC
 */
static BOOL CDECL MFDRV_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
{
    /* not supported on metafile DCs */
    return FALSE;
}


/**********************************************************************
 *	     MFDRV_DeleteDC
 */
static BOOL CDECL MFDRV_DeleteDC( PHYSDEV dev )
{
    struct metadc *physDev = (struct metadc *)dev;
    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], dev->hdc);
    HeapFree( GetProcessHeap(), 0, physDev->handles );
    HeapFree( GetProcessHeap(), 0, physDev );
    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;
    struct metadc *physDev;
    HANDLE hFile;

    TRACE("%s\n", debugstr_w(filename) );

    if (!(dc = MFDRV_AllocMetaFile())) return 0;
    physDev = (struct metadc *)dc->physDev;
    physDev->mh->mtType = METAFILE_MEMORY;
    physDev->pen   = GetStockObject( BLACK_PEN );
    physDev->brush = GetStockObject( WHITE_BRUSH );
    physDev->font  = GetStockObject( DEVICE_DEFAULT_FONT );

    if (filename)  /* disk based metafile */
    {
        if ((hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
				CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
            free_dc_ptr( dc );
            return 0;
        }
	physDev->hFile = hFile;
    }

    TRACE("returning %p\n", physDev->dev.hdc);
    ret = physDev->dev.hdc;
    release_dc_ptr( dc );
    return ret;
}

/**********************************************************************
 *          CreateMetaFileA   (GDI32.@)
 *
 * See CreateMetaFileW.
 */
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;
    struct metadc *physDev;
    DWORD bytes_written;

    TRACE("(%p)\n", hdc );

    if (!(dc = get_dc_ptr( hdc ))) return NULL;
    if (GetObjectType( hdc ) != OBJ_METADC)
    {
        release_dc_ptr( dc );
        return NULL;
    }
    if (dc->refcount != 1)
    {
        FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
        release_dc_ptr( dc );
        return NULL;
    }
    physDev = (struct metadc *)dc->physDev;

    /* Construct the end of metafile record - this is documented
     * in SDK Knowledgebase Q99334.
     */

    if (!metadc_param0( hdc, META_EOF ))
    {
        free_dc_ptr( dc );
	return 0;
    }

    if (physDev->hFile)  /* disk based metafile */
    {
        if (!WriteFile(physDev->hFile, physDev->mh, physDev->mh->mtSize * 2,
                       &bytes_written, NULL)) {
            free_dc_ptr( dc );
            return 0;
        }
        CloseHandle(physDev->hFile);
    }

    return dc;
}

/******************************************************************
 *	     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;
    struct metadc *physDev;
    DC *dc = MFDRV_CloseMetaFile(hdc);
    if (!dc) return 0;
    physDev = (struct metadc *)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 */
    free_dc_ptr( dc );
    return hmf;
}


struct metadc *get_metadc_ptr( HDC hdc )
{
    struct metadc *metafile = get_gdi_client_ptr( hdc, NTGDI_OBJ_METADC );
    if (!metafile) SetLastError( ERROR_INVALID_HANDLE );
    return metafile;
}

BOOL metadc_write_record( struct metadc *metadc, METARECORD *mr, unsigned int rlen )
{
    DWORD len, size;
    METAHEADER *mh;

    len = metadc->mh->mtSize * sizeof(WORD) + rlen;
    size = HeapSize( GetProcessHeap(), 0, metadc->mh );
    if (len > size)
    {
        size += size / sizeof(WORD) + rlen;
        mh = HeapReAlloc( GetProcessHeap(), 0, metadc->mh, size );
        if (!mh) return FALSE;
        metadc->mh = mh;
    }
    memcpy( (WORD *)metadc->mh + metadc->mh->mtSize, mr, rlen );

    metadc->mh->mtSize += rlen / sizeof(WORD);
    metadc->mh->mtMaxRecord = max( metadc->mh->mtMaxRecord, rlen / sizeof(WORD) );
    return TRUE;
}

BOOL metadc_record( HDC hdc, METARECORD *mr, DWORD rlen )
{
    struct metadc *metadc;

    if (!(metadc = get_metadc_ptr( hdc ))) return FALSE;
    return metadc_write_record( metadc, mr, rlen );
}

BOOL metadc_param0( HDC hdc, short func )
{
    METARECORD mr;

    mr.rdSize = FIELD_OFFSET(METARECORD, rdParm[0]) / sizeof(WORD);
    mr.rdFunction = func;
    return metadc_record( hdc, &mr, mr.rdSize * sizeof(WORD) );
}

BOOL metadc_param1( HDC hdc, short func, short param )
{
    METARECORD mr;

    mr.rdSize = sizeof(mr) / sizeof(WORD);
    mr.rdFunction = func;
    mr.rdParm[0] = param;
    return metadc_record( hdc, &mr, mr.rdSize * sizeof(WORD) );
}

BOOL metadc_param2( HDC hdc, short func, short param1, short param2 )
{
    char buffer[FIELD_OFFSET(METARECORD, rdParm[2])];
    METARECORD *mr = (METARECORD *)&buffer;

    mr->rdSize = sizeof(buffer) / sizeof(WORD);
    mr->rdFunction = func;
    mr->rdParm[0] = param2;
    mr->rdParm[1] = param1;
    return metadc_record( hdc, mr, sizeof(buffer) );
}

BOOL metadc_param4( HDC hdc, short func, short param1, short param2,
                    short param3, short param4 )
{
    char buffer[FIELD_OFFSET(METARECORD, rdParm[4])];
    METARECORD *mr = (METARECORD *)&buffer;

    mr->rdSize = sizeof(buffer) / sizeof(WORD);
    mr->rdFunction = func;
    mr->rdParm[0] = param4;
    mr->rdParm[1] = param3;
    mr->rdParm[2] = param2;
    mr->rdParm[3] = param1;
    return metadc_record( hdc, mr, sizeof(buffer) );
}

BOOL metadc_param5( HDC hdc, short func, short param1, short param2,
                    short param3, short param4, short param5 )
{
    char buffer[FIELD_OFFSET(METARECORD, rdParm[5])];
    METARECORD *mr = (METARECORD *)&buffer;

    mr->rdSize = sizeof(buffer) / sizeof(WORD);
    mr->rdFunction = func;
    mr->rdParm[0] = param5;
    mr->rdParm[1] = param4;
    mr->rdParm[2] = param3;
    mr->rdParm[3] = param2;
    mr->rdParm[4] = param1;
    return metadc_record( hdc, mr, sizeof(buffer) );
}

BOOL metadc_param6( HDC hdc, short func, short param1, short param2,
                    short param3, short param4, short param5,
                    short param6 )
{
    char buffer[FIELD_OFFSET(METARECORD, rdParm[6])];
    METARECORD *mr = (METARECORD *)&buffer;

    mr->rdSize = sizeof(buffer) / sizeof(WORD);
    mr->rdFunction = func;
    mr->rdParm[0] = param6;
    mr->rdParm[1] = param5;
    mr->rdParm[2] = param4;
    mr->rdParm[3] = param3;
    mr->rdParm[4] = param2;
    mr->rdParm[5] = param1;
    return metadc_record( hdc, mr, sizeof(buffer) );
}

BOOL metadc_param8( HDC hdc, short func, short param1, short param2,
                    short param3, short param4, short param5,
                    short param6, short param7, short param8)
{
    char buffer[FIELD_OFFSET(METARECORD, rdParm[8])];
    METARECORD *mr = (METARECORD *)&buffer;

    mr->rdSize = sizeof(buffer) / sizeof(WORD);
    mr->rdFunction = func;
    mr->rdParm[0] = 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 metadc_record( hdc, mr, sizeof(buffer) );
}