rosglue.c File Reference

#include <precomp.h>
#include "gdi_private.h"
#include <debug.h>

Include dependency graph for rosglue.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
static GDILOOBJTYPE	ConvertObjectType (WORD wType)
HGDIOBJ	alloc_gdi_handle (PVOID pvObject, WORD wType, const struct gdi_obj_funcs *funcs)
PVOID	free_gdi_handle (HGDIOBJ hobj)
PVOID	GDI_GetObjPtr (HGDIOBJ hobj, WORD wType)
VOID	GDI_ReleaseObj (HGDIOBJ hobj)
WINEDC *	alloc_dc_ptr (WORD magic)
WINEDC *	get_dc_ptr (HDC hdc)
VOID	GDI_hdc_using_object (HGDIOBJ hobj, HDC hdc)
VOID	GDI_hdc_not_using_object (HGDIOBJ hobj, HDC hdc)
int	bitmap_info_size (const BITMAPINFO *info, WORD coloruse)
BOOL	get_brush_bitmap_info (HBRUSH hbr, PBITMAPINFO pbmi, PVOID pvBits, PUINT puUsage)
BOOL WINAPI	SetVirtualResolution (HDC hdc, DWORD cxVirtualDevicePixel, DWORD cyVirtualDevicePixel, DWORD cxVirtualDeviceMm, DWORD cyVirtualDeviceMm)
BOOL WINAPI	DeleteColorSpace (HCOLORSPACE hcs)
void __cdecl	_assert (const char *exp, const char *file, unsigned line)
BOOL WINAPI	METADC_SetD (_In_ HDC hdc, _In_ DWORD dwIn, _In_ USHORT usMF16Id)
BOOL WINAPI	EMFDC_SetD (_In_ PLDC pldc, _In_ DWORD dwIn, _In_ ULONG ulMFId)
void	METADC_DeleteObject (HDC hdc, HGDIOBJ obj)
void	emfdc_delete_object (HDC hdc, HGDIOBJ obj)
VOID WINAPI	METADC_RosGlueDeleteObject (HGDIOBJ hobj)
BOOL WINAPI	METADC_RosGlueDeleteDC (_In_ HDC hdc)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 6 of file rosglue.c.

Function Documentation

_assert()

void __cdecl _assert	(	const char *	exp,
		const char *	file,
		unsigned	line
	)

Definition at line 301 of file rosglue.c.

{
    DbgRaiseAssertionFailure();
}

alloc_dc_ptr()

WINEDC* alloc_dc_ptr

(

WORD

magic

)

Definition at line 106 of file rosglue.c.

{
    WINEDC* pWineDc;

    /* Allocate the Wine DC */
    pWineDc = HeapAlloc(GetProcessHeap(), 0, sizeof(*pWineDc));
    if (pWineDc == NULL)
    {
        return NULL;
    }

    ZeroMemory(pWineDc, sizeof(*pWineDc));
    pWineDc->hBrush = GetStockObject(WHITE_BRUSH);
    pWineDc->hPen = GetStockObject(BLACK_PEN);

    if (magic == OBJ_ENHMETADC)
    {
        /* We create a metafile DC, but we ignore the reference DC, this is
           handled by the wine code */
        pWineDc->hdc = NtGdiCreateMetafileDC(NULL);
        if (pWineDc->hdc == NULL)
        {
            HeapFree(GetProcessHeap(), 0, pWineDc);
            return NULL;
        }

        pWineDc->iType = LDC_EMFLDC;

        /* Set the Wine DC as LDC */
        GdiSetLDC(pWineDc->hdc, pWineDc);
    }
    else
    {
        // nothing else supported!
        ASSERT(FALSE);
    }

    return pWineDc;
}

Referenced by CreateEnhMetaFileW(), and MFDRV_AllocMetaFile().

alloc_gdi_handle()

HGDIOBJ alloc_gdi_handle	(	PVOID	pvObject,
		WORD	wType,
		const struct gdi_obj_funcs *	funcs
	)

Definition at line 36 of file rosglue.c.

{
    GDILOOBJTYPE eObjType;

    /* Get the GDI object type */
    eObjType = ConvertObjectType(wType);
    if ((eObjType != GDILoObjType_LO_METAFILE_TYPE) &&
        (eObjType != GDILoObjType_LO_METAFILE16_TYPE) &&
        (eObjType != GDILoObjType_LO_METADC16_TYPE))
    {
        /* This is not supported! */
        ASSERT(FALSE);
        return NULL;
    }

    /* Insert the client object */
    return GdiCreateClientObj(pvObject, eObjType);
}

bitmap_info_size()

int bitmap_info_size	(	const BITMAPINFO *	info,
		WORD	coloruse
	)

Definition at line 199 of file rosglue.c.

{
    unsigned int colors, size, masks = 0;

    if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
    {
        const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)info;
        colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
        return sizeof(BITMAPCOREHEADER) + colors *
             ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
    }
    else  /* assume BITMAPINFOHEADER */
    {
        if (info->bmiHeader.biClrUsed) colors = min( info->bmiHeader.biClrUsed, 256 );
        else colors = info->bmiHeader.biBitCount > 8 ? 0 : 1 << info->bmiHeader.biBitCount;
        if (info->bmiHeader.biCompression == BI_BITFIELDS) masks = 3;
        size = max( info->bmiHeader.biSize, sizeof(BITMAPINFOHEADER) + masks * sizeof(DWORD) );
        return size + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
    }
}

ConvertObjectType()

static GDILOOBJTYPE ConvertObjectType ( WORD  wType )

static

Definition at line 11 of file rosglue.c.

{
    /* Get the GDI object type */
    switch (wType)
    {
        case OBJ_PEN: return GDILoObjType_LO_PEN_TYPE;
        case OBJ_BRUSH: return GDILoObjType_LO_BRUSH_TYPE;
        case OBJ_DC: return GDILoObjType_LO_DC_TYPE;
        case OBJ_METADC: return GDILoObjType_LO_METADC16_TYPE;
        case OBJ_PAL: return GDILoObjType_LO_PALETTE_TYPE;
        case OBJ_FONT: return GDILoObjType_LO_FONT_TYPE;
        case OBJ_BITMAP: return GDILoObjType_LO_BITMAP_TYPE;
        case OBJ_REGION: return GDILoObjType_LO_REGION_TYPE;
        case OBJ_METAFILE: return GDILoObjType_LO_METAFILE16_TYPE;
        case OBJ_MEMDC: return GDILoObjType_LO_DC_TYPE;
        case OBJ_EXTPEN: return GDILoObjType_LO_EXTPEN_TYPE;
        case OBJ_ENHMETADC: return GDILoObjType_LO_ALTDC_TYPE;
        case OBJ_ENHMETAFILE: return GDILoObjType_LO_METAFILE_TYPE;
        case OBJ_COLORSPACE: return GDILoObjType_LO_ICMLCS_TYPE;
        default: return 0;
    }
}

Referenced by alloc_gdi_handle(), and GDI_GetObjPtr().

DeleteColorSpace()

BOOL WINAPI DeleteColorSpace

(

HCOLORSPACE

hcs

)

Definition at line 294 of file rosglue.c.

{
    return NtGdiDeleteColorSpace(hcs);
}

emfdc_delete_object()

void emfdc_delete_object	(	HDC	hdc,
		HGDIOBJ	obj
	)

Definition at line 232 of file emfdc.c.

{
    WINEDC *dc_attr = get_dc_ptr( hdc );
    struct emf *emf = dc_attr->emf;
    EMRDELETEOBJECT emr;
    UINT index;

    if(!(index = emfdc_find_object( emf, obj ))) return;

    emr.emr.iType = EMR_DELETEOBJECT;
    emr.emr.nSize = sizeof(emr);
    emr.ihObject = index;

    emfdc_record( emf, &emr.emr );

    emf->handles[index - 1] = 0;
    emf->cur_handles--;
}

Referenced by METADC_RosGlueDeleteObject().

EMFDC_SetD()

BOOL WINAPI EMFDC_SetD	(	_In_ PLDC	pldc,
		_In_ DWORD	dwIn,
		_In_ ULONG	ulMFId
	)

Definition at line 331 of file rosglue.c.

{
    switch(ulMFId)
    {
    case EMR_SETMAPMODE:
        return EMFDC_SetMapMode( pldc, dwIn);
    case EMR_SETARCDIRECTION:
        return EMFDC_SetArcDirection( pldc, dwIn);
    default:
        return FALSE;
    }
}

Referenced by GetAndSetDCDWord().

free_gdi_handle()

PVOID free_gdi_handle

(

HGDIOBJ

hobj

)

Definition at line 59 of file rosglue.c.

{
    /* Should be a client object */
    return GdiDeleteClientObj(hobj);
}

Referenced by DeleteMetaFile(), and EMF_Delete_HENHMETAFILE().

GDI_GetObjPtr()

PVOID GDI_GetObjPtr	(	HGDIOBJ	hobj,
		WORD	wType
	)

Definition at line 66 of file rosglue.c.

{
    GDILOOBJTYPE eObjType;

    /* Check if the object type matches */
    eObjType = ConvertObjectType(wType);
    if ((eObjType == 0) || (GDI_HANDLE_GET_TYPE(hobj) != eObjType))
    {
        return NULL;
    }

    /* Check if we have an ALTDC */
    if (eObjType == GDILoObjType_LO_ALTDC_TYPE)
    {
        /* Object is stored as LDC */
        return GdiGetLDC(hobj);
    }

    /* Check for client objects */
    if ((eObjType == GDILoObjType_LO_METAFILE_TYPE) ||
        (eObjType == GDILoObjType_LO_METAFILE16_TYPE) ||
        (eObjType == GDILoObjType_LO_METADC16_TYPE))
    {
        return GdiGetClientObjLink(hobj);
    }

    /* This should never happen! */
    ASSERT(FALSE);
    return NULL;
}

Referenced by EMF_GetEnhMetaHeader(), get_metafile_bits(), and GetMetaFileBitsEx().

GDI_hdc_not_using_object()

VOID GDI_hdc_not_using_object	(	HGDIOBJ	hobj,
		HDC	hdc
	)

Definition at line 182 of file rosglue.c.

{
    HDC hdcLink;

    /* Remove the HDC link for the object */
    hdcLink = GdiRemoveClientObjLink(hobj);
    ASSERT(hdcLink == hdc);
}

Referenced by EMFDC_DeleteDC(), EMFDRV_DeleteDC(), metadc_free(), and MFDRV_DeleteDC().

GDI_hdc_using_object()

VOID GDI_hdc_using_object	(	HGDIOBJ	hobj,
		HDC	hdc
	)

Definition at line 166 of file rosglue.c.

{
    /* Record that we have an object in use by a METADC. We simply link the
       object to the HDC that we use. Wine API does not give us a way to
       respond to failure, so we silently ignore it */
    if (!GdiCreateClientObjLink(hobj, hdc))
    {
        /* Ignore failure, and return */
        DPRINT1("Failed to create link for selected METADC object.\n");
        return;
    }
}

Referenced by emfdc_select_brush(), emfdc_select_font(), emfdc_select_pen(), EMFDC_SelectPalette(), EMFDC_SetDCBrushColor(), EMFDC_SetDCPenColor(), EMFDRV_SelectBrush(), EMFDRV_SelectFont(), EMFDRV_SelectPalette(), EMFDRV_SelectPen(), EMFDRV_SetDCBrushColor(), EMFDRV_SetDCPenColor(), METADC_SelectBrush(), METADC_SelectFont(), METADC_SelectPen(), MFDRV_SelectBrush(), MFDRV_SelectFont(), and MFDRV_SelectPen().

GDI_ReleaseObj()

VOID GDI_ReleaseObj

(

HGDIOBJ

hobj

)

Definition at line 100 of file rosglue.c.

{
    /* We don't do any reference-counting */
}

Referenced by EMF_GetEnhMetaHeader(), get_metafile_bits(), and GetMetaFileBitsEx().

get_brush_bitmap_info()

BOOL get_brush_bitmap_info	(	HBRUSH	hbr,
		PBITMAPINFO	pbmi,
		PVOID	pvBits,
		PUINT	puUsage
	)

Definition at line 223 of file rosglue.c.

{
    HBITMAP hbmp;
    HDC hdc;
    PVOID Bits;

    /* Call win32k to get the bitmap handle and color usage */
    hbmp = NtGdiGetObjectBitmapHandle(hbr, puUsage);
    if (hbmp == NULL)
        return FALSE;

    hdc = GetDC(NULL);
    if (hdc == NULL)
        return FALSE;

    /* Initialize the BITMAPINFO */
    ZeroMemory(pbmi, sizeof(*pbmi));
    pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);

    /* Retrieve information about the bitmap */
    if (!GetDIBits(hdc, hbmp, 0, 0, NULL, pbmi, *puUsage))
        return FALSE;

    if (pvBits)
    {
        /* Now allocate a buffer for the bits */
        Bits = HeapAlloc(GetProcessHeap(), 0, pbmi->bmiHeader.biSizeImage);
        if (Bits == NULL)
            return FALSE;

        /* Retrieve the bitmap bits */
        if (!GetDIBits(hdc, hbmp, 0, pbmi->bmiHeader.biHeight, Bits, pbmi, *puUsage))
        {
            HeapFree(GetProcessHeap(), 0, Bits);
            return FALSE;
        }

        CopyMemory( pvBits, Bits, pbmi->bmiHeader.biSizeImage );

    }

    /* GetDIBits doesn't set biClrUsed, but wine code needs it, so we set it */
    if (pbmi->bmiHeader.biBitCount <= 8)
    {
        pbmi->bmiHeader.biClrUsed =  1 << pbmi->bmiHeader.biBitCount;
    }
    return TRUE;
}

get_dc_ptr()

WINEDC* get_dc_ptr

(

HDC

hdc

)

Definition at line 147 of file rosglue.c.

{
    /* Check for EMF DC */
    if (GDI_HANDLE_GET_TYPE(hdc) == GDILoObjType_LO_ALTDC_TYPE)
    {
        /* The Wine DC is stored as the LDC */
        return (WINEDC*)GdiGetLDC(hdc);
    }

    /* Check for METADC16 */
    if (GDI_HANDLE_GET_TYPE(hdc) == GDILoObjType_LO_METADC16_TYPE)
    {
        return GdiGetClientObjLink(hdc);
    }

    return NULL;
}

Referenced by CloseEnhMetaFile(), emfdc_delete_object(), EMFDC_GdiComment(), EMFDC_MaskBlt(), EMFDC_PlgBlt(), emfdrv_stretchblt(), and MFDRV_CloseMetaFile().

METADC_DeleteObject()

void METADC_DeleteObject	(	HDC	hdc,
		HGDIOBJ	obj
	)

Definition at line 1015 of file metadc.c.

{
    struct metadc *metadc = get_metadc_ptr( hdc );
    METARECORD mr;
    INT16 index;

    if ((index = metadc_find_object( metadc, obj )) < 0) return;
    if (obj == metadc->pen || obj == metadc->brush || obj == metadc->font)
    {
        WARN( "deleting selected object %p\n", obj );
        return;
    }

    mr.rdSize = sizeof(mr) / sizeof(WORD);
    mr.rdFunction = META_DELETEOBJECT;
    mr.rdParm[0] = index;

    metadc_write_record( metadc, &mr, mr.rdSize * sizeof(WORD) );

    metadc->handles[index] = 0;
    metadc->cur_handles--;
}

Referenced by METADC_RosGlueDeleteObject().

METADC_RosGlueDeleteDC()

BOOL WINAPI METADC_RosGlueDeleteDC

(

_In_ HDC

hdc

)

Definition at line 392 of file rosglue.c.

{
    LDC* pWineDc = NULL;

    if ( GDI_HANDLE_GET_TYPE(hdc) == GDILoObjType_LO_METADC16_TYPE )
    {
        return METADC_DeleteDC(hdc);
    }

    if ( GDI_HANDLE_GET_TYPE(hdc) == GDILoObjType_LO_ALTDC_TYPE )
    {
        pWineDc = GdiGetLDC(hdc);

        if ( pWineDc )
        {
            // Handle Printer LDC
            if (pWineDc->iType != LDC_EMFLDC)
            {
               //return IntDeleteDC(hdc);
            }

            EMFDC_DeleteDC( pWineDc );

            /* Get rid of the LDC */
            ASSERT(GdiGetLDC(pWineDc->hDC) == pWineDc);
            GdiSetLDC(pWineDc->hDC, NULL);

            /* Free the Wine DC */
            HeapFree(GetProcessHeap(), 0, pWineDc);
        }
    }

    return NtGdiDeleteObjectApp(hdc);
}

Referenced by DeleteDC().

METADC_RosGlueDeleteObject()

VOID WINAPI METADC_RosGlueDeleteObject

(

HGDIOBJ

hobj

)

Definition at line 352 of file rosglue.c.

{
    GDILOOBJTYPE eObjectType;
    HDC hdc;

    /* Check for one of the types we actually handle here */
    eObjectType = GDI_HANDLE_GET_TYPE(hobj);
    if ((eObjectType != GDILoObjType_LO_BRUSH_TYPE) &&
        (eObjectType != GDILoObjType_LO_PEN_TYPE) &&
        (eObjectType != GDILoObjType_LO_EXTPEN_TYPE) &&
        (eObjectType != GDILoObjType_LO_PALETTE_TYPE) &&
        (eObjectType != GDILoObjType_LO_FONT_TYPE))
    {
        return;
    }

    /* Check if we have a client object link and remove it if it was found.
       The link is the HDC that the object was selected into. */
    hdc = GdiRemoveClientObjLink(hobj);
    if (hdc == NULL)
    {
        DPRINT1("the link was not found\n");
        /* The link was not found, so we are not handling this object here */
        return;
    }

    if ( GDI_HANDLE_GET_TYPE(hdc) == GDILoObjType_LO_METADC16_TYPE ) METADC_DeleteObject( hdc, hobj );

    if ( GDI_HANDLE_GET_TYPE(hdc) == GDILoObjType_LO_ALTDC_TYPE )
    {
        LDC* pWineDc = GdiGetLDC(hdc);
        if ( pWineDc )
        {
            emfdc_delete_object( hdc, hobj );
        }
    }
}

Referenced by DeleteObject().

METADC_SetD()

BOOL WINAPI METADC_SetD	(	_In_ HDC	hdc,
		_In_ DWORD	dwIn,
		_In_ USHORT	usMF16Id
	)

Definition at line 312 of file rosglue.c.

{
    switch(usMF16Id)
    {
    case META_SETMAPMODE:
        return METADC_SetMapMode(hdc, dwIn);
    case META_SETRELABS:
        return METADC_SetRelAbs(hdc, dwIn);
    default:
        return FALSE;
    }
}

Referenced by GetAndSetDCDWord().

SetVirtualResolution()

BOOL WINAPI SetVirtualResolution	(	HDC	hdc,
		DWORD	cxVirtualDevicePixel,
		DWORD	cyVirtualDevicePixel,
		DWORD	cxVirtualDeviceMm,
		DWORD	cyVirtualDeviceMm
	)

Definition at line 278 of file rosglue.c.

{
    return NtGdiSetVirtualResolution(hdc,
                                     cxVirtualDevicePixel,
                                     cyVirtualDevicePixel,
                                     cxVirtualDeviceMm,
                                     cyVirtualDeviceMm);
}

Referenced by CreateEnhMetaFileW(), CreateMetaFileW(), and MFDRV_AllocMetaFile().