gdi_private.h File Reference

#include <limits.h>
#include <math.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include <wine/gdi_driver.h>
#include <pshpack2.h>
#include <poppack.h>

Include dependency graph for gdi_private.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	EMRSETTEXTJUSTIFICATION
struct	gdi_obj_funcs
struct	tagWINEDC
struct	emf_in_wmf_comment

Macros
#define	META_EOF   0x0000
#define	METAFILE_MEMORY   1
#define	METAFILE_DISK   2
#define	MFHEADERSIZE   (sizeof(METAHEADER))
#define	MFVERSION   0x300
#define	LDC_LDC   0x00000001
#define	LDC_EMFLDC   0x00000002
#define	WMFC_MAGIC   0x43464d57
#define	EMR_SETLINKEDUFI   119
#define	GET_DC_PHYSDEV(dc, func)   get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))
#define	DIB_PAL_MONO   2
#define	GdiWorldSpaceToDeviceSpace   0x204
#define	GDIRealizePalette   RealizePalette
#define	GDISelectPalette   SelectPalette
#define	get_full_gdi_handle   GdiFixUpHandle
#define	push_dc_driver   push_dc_driver_ros
#define	DbgRaiseAssertionFailure()   __int2c()
#define	ASSERT(x)   if (!(x)) DbgRaiseAssertionFailure()

Typedefs
typedef struct EMRSETTEXTJUSTIFICATION *	PEMRSETTEXTJUSTIFICATION
typedef struct tagWINEDC	WINEDC
typedef struct tagWINEDC	DC

Functions
WINEDC *	get_physdev_dc (PHYSDEV dev)
BOOL	get_brush_bitmap_info (HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage) DECLSPEC_HIDDEN
DC *	alloc_dc_ptr (WORD magic) DECLSPEC_HIDDEN
void	free_dc_ptr (DC *dc) DECLSPEC_HIDDEN
DC *	get_dc_ptr (HDC hdc) DECLSPEC_HIDDEN
void	release_dc_ptr (DC *dc) DECLSPEC_HIDDEN
int	bitmap_info_size (const BITMAPINFO *info, WORD coloruse) DECLSPEC_HIDDEN
HENHMETAFILE	EMF_Create_HENHMETAFILE (ENHMETAHEADER *emh, BOOL on_disk) DECLSPEC_HIDDEN
HGDIOBJ	alloc_gdi_handle (void *obj, WORD type, const struct gdi_obj_funcs *funcs) DECLSPEC_HIDDEN
void *	free_gdi_handle (HGDIOBJ handle) DECLSPEC_HIDDEN
HGDIOBJ	get_full_gdi_handle (HGDIOBJ handle) DECLSPEC_HIDDEN
void *	GDI_GetObjPtr (HGDIOBJ, WORD) DECLSPEC_HIDDEN
void	GDI_ReleaseObj (HGDIOBJ) DECLSPEC_HIDDEN
void	GDI_hdc_using_object (HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN
void	GDI_hdc_not_using_object (HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN
HMETAFILE	MF_Create_HMETAFILE (METAHEADER *mh) DECLSPEC_HIDDEN
METAHEADER *	MF_CreateMetaHeaderDisk (METAHEADER *mr, LPCVOID filename, BOOL unicode) DECLSPEC_HIDDEN
HPALETTE WINAPI	GDISelectPalette (HDC hdc, HPALETTE hpal, WORD wBkg) DECLSPEC_HIDDEN
UINT WINAPI	GDIRealizePalette (HDC hdc) DECLSPEC_HIDDEN
static PHYSDEV	pop_dc_driver (DC *dc, const struct gdi_dc_funcs *funcs)
static PHYSDEV	find_dc_driver (DC *dc, const struct gdi_dc_funcs *funcs)
BOOL WINAPI	SetVirtualResolution (HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size)
static int	get_dib_stride (int width, int bpp)
static int	get_dib_image_size (const BITMAPINFO *info)
static int	get_dib_info_size (const BITMAPINFO *info, UINT coloruse)
BOOL APIENTRY	NtGdiGetTransform (_In_ HDC hdc, _In_ DWORD iXform, _Out_ LPXFORM pxf)
HGDIOBJ WINAPI	GdiFixUpHandle (HGDIOBJ hGdiObj)
void	push_dc_driver_ros (PHYSDEV *dev, PHYSDEV physdev, const struct gdi_dc_funcs *funcs)

Macro Definition Documentation

ASSERT

#define ASSERT

(

x

)

if (!(x)) DbgRaiseAssertionFailure()

Definition at line 212 of file gdi_private.h.

DbgRaiseAssertionFailure

#define DbgRaiseAssertionFailure

(

)

__int2c()

Definition at line 208 of file gdi_private.h.

DIB_PAL_MONO

#define DIB_PAL_MONO   2

Definition at line 164 of file gdi_private.h.

EMR_SETLINKEDUFI

#define EMR_SETLINKEDUFI   119

Definition at line 140 of file gdi_private.h.

GDIRealizePalette

#define GDIRealizePalette   RealizePalette

Definition at line 193 of file gdi_private.h.

GDISelectPalette

#define GDISelectPalette   SelectPalette

Definition at line 194 of file gdi_private.h.

GdiWorldSpaceToDeviceSpace

#define GdiWorldSpaceToDeviceSpace   0x204

Definition at line 189 of file gdi_private.h.

GET_DC_PHYSDEV

#define GET_DC_PHYSDEV	(		dc,
			func
	)		get_physdev_entry_point( (dc)->physDev, FIELD_OFFSET(struct gdi_dc_funcs,func))

Definition at line 142 of file gdi_private.h.

get_full_gdi_handle

#define get_full_gdi_handle   GdiFixUpHandle

Definition at line 197 of file gdi_private.h.

LDC_EMFLDC

#define LDC_EMFLDC   0x00000002

Definition at line 57 of file gdi_private.h.

LDC_LDC

#define LDC_LDC   0x00000001

Definition at line 56 of file gdi_private.h.

META_EOF

#define META_EOF   0x0000

Definition at line 32 of file gdi_private.h.

METAFILE_DISK

#define METAFILE_DISK   2

Definition at line 36 of file gdi_private.h.

METAFILE_MEMORY

#define METAFILE_MEMORY   1

Definition at line 35 of file gdi_private.h.

MFHEADERSIZE

#define MFHEADERSIZE   (sizeof(METAHEADER))

Definition at line 37 of file gdi_private.h.

MFVERSION

#define MFVERSION   0x300

Definition at line 38 of file gdi_private.h.

push_dc_driver

#define push_dc_driver   push_dc_driver_ros

Definition at line 200 of file gdi_private.h.

WMFC_MAGIC

#define WMFC_MAGIC   0x43464d57

Definition at line 135 of file gdi_private.h.

Typedef Documentation

DC

typedef struct tagWINEDC DC

PEMRSETTEXTJUSTIFICATION

typedef struct EMRSETTEXTJUSTIFICATION * PEMRSETTEXTJUSTIFICATION

WINEDC

typedef struct tagWINEDC WINEDC

Function Documentation

alloc_dc_ptr()

DC* alloc_dc_ptr

(

WORD

magic

)

Definition at line 294 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->refcount = 1;
    pWineDc->hFont = GetStockObject(SYSTEM_FONT);
    pWineDc->hBrush = GetStockObject(WHITE_BRUSH);
    pWineDc->hPen = GetStockObject(BLACK_PEN);
    pWineDc->hPalette = GetStockObject(DEFAULT_PALETTE);

    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 if (magic == OBJ_METADC)
    {
        pWineDc->hdc = GdiCreateClientObj(pWineDc, GDILoObjType_LO_METADC16_TYPE);
        if (pWineDc->hdc == NULL)
        {
            HeapFree(GetProcessHeap(), 0, pWineDc);
            return NULL;
        }
    }
    else
    {
        // nothing else supported!
        ASSERT(FALSE);
    }

    pWineDc->physDev = &pWineDc->NullPhysDev;
    pWineDc->NullPhysDev.funcs = &DummyPhysDevFuncs;
    pWineDc->NullPhysDev.next = NULL;

    pWineDc->NullPhysDev.hdc = pWineDc->hdc;
    return pWineDc;
}

Referenced by CreateEnhMetaFileW(), and MFDRV_AllocMetaFile().

alloc_gdi_handle()

HGDIOBJ alloc_gdi_handle	(	void *	obj,
		WORD	type,
		const struct gdi_obj_funcs *	funcs
	)

Referenced by EMF_Create_HENHMETAFILE(), and MF_Create_HMETAFILE().

bitmap_info_size()

int bitmap_info_size	(	const BITMAPINFO *	info,
		WORD	coloruse
	)

Definition at line 448 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));
    }
}

EMF_Create_HENHMETAFILE()

HENHMETAFILE EMF_Create_HENHMETAFILE	(	ENHMETAHEADER *	emh,
		BOOL	on_disk
	)

Definition at line 249 of file enhmetafile.c.

{
    HENHMETAFILE hmf;
    ENHMETAFILEOBJ *metaObj;

    if (emh->iType != EMR_HEADER)
    {
        SetLastError(ERROR_INVALID_DATA);
        return 0;
    }
    if (emh->dSignature != ENHMETA_SIGNATURE ||
        (emh->nBytes & 3)) /* refuse to load unaligned EMF as Windows does */
    {
        WARN("Invalid emf header type 0x%08x sig 0x%08x.\n",
             emh->iType, emh->dSignature);
        return 0;
    }

    if (!(metaObj = HeapAlloc( GetProcessHeap(), 0, sizeof(*metaObj) ))) return 0;

    metaObj->emh = emh;
    metaObj->on_disk = on_disk;

    if (!(hmf = alloc_gdi_handle( metaObj, OBJ_ENHMETAFILE, NULL )))
        HeapFree( GetProcessHeap(), 0, metaObj );
    return hmf;
}

Referenced by CloseEnhMetaFile(), CopyEnhMetaFileA(), CopyEnhMetaFileW(), EMF_GetEnhMetaFile(), and SetEnhMetaFileBits().

find_dc_driver()

static PHYSDEV find_dc_driver ( DC *  dc, const struct gdi_dc_funcs *  funcs  )

inlinestatic

Definition at line 155 of file gdi_private.h.

{
    PHYSDEV dev;

    for (dev = dc->physDev; dev; dev = dev->next) if (dev->funcs == funcs) return dev;
    return NULL;
}

Referenced by CloseEnhMetaFile(), and nulldrv_BeginPath().

free_dc_ptr()

void free_dc_ptr

(

DC *

dc

)

Referenced by CloseEnhMetaFile(), CloseMetaFile(), CreateEnhMetaFileW(), CreateMetaFileW(), MFDRV_AllocMetaFile(), and MFDRV_CloseMetaFile().

free_gdi_handle()

void* free_gdi_handle

(

HGDIOBJ

handle

)

Definition at line 247 of file rosglue.c.

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

Referenced by DeleteMetaFile(), and EMF_Delete_HENHMETAFILE().

GDI_GetObjPtr()

void* GDI_GetObjPtr	(	HGDIOBJ	,
		WORD
	)

Definition at line 254 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	obj,
		HDC	hdc
	)

Definition at line 431 of file rosglue.c.

{
    HDC hdcLink;

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

Referenced by EMFDRV_DeleteDC(), and MFDRV_DeleteDC().

GDI_hdc_using_object()

void GDI_hdc_using_object	(	HGDIOBJ	obj,
		HDC	hdc
	)

Definition at line 415 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 EMFDRV_SelectBrush(), EMFDRV_SelectFont(), EMFDRV_SelectPalette(), EMFDRV_SelectPen(), EMFDRV_SetDCBrushColor(), EMFDRV_SetDCPenColor(), MFDRV_SelectBrush(), MFDRV_SelectFont(), and MFDRV_SelectPen().

GDI_ReleaseObj()

void GDI_ReleaseObj

(

HGDIOBJ

)

Definition at line 288 of file rosglue.c.

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

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

GdiFixUpHandle()

HGDIOBJ WINAPI GdiFixUpHandle

(

HGDIOBJ

hGdiObj

)

Definition at line 734 of file misc.c.

{
    PGDI_TABLE_ENTRY Entry;

    if (((ULONG_PTR)(hGdiObj)) & GDI_HANDLE_UPPER_MASK )
    {
        return hGdiObj;
    }

    /* FIXME is this right ?? */

    Entry = GdiHandleTable + GDI_HANDLE_GET_INDEX(hGdiObj);

    /* Rebuild handle for Object */
    return hGdiObj = (HGDIOBJ)(((LONG_PTR)(hGdiObj)) | (Entry->Type << GDI_ENTRY_UPPER_SHIFT));
}

GDIRealizePalette()

UINT WINAPI GDIRealizePalette

(

HDC

hdc

)

Referenced by PlayMetaFileRecord().

GDISelectPalette()

HPALETTE WINAPI GDISelectPalette	(	HDC	hdc,
		HPALETTE	hpal,
		WORD	wBkg
	)

Referenced by PlayMetaFileRecord().

get_brush_bitmap_info()

BOOL get_brush_bitmap_info	(	HBRUSH	handle,
		BITMAPINFO *	info,
		void **	bits,
		UINT *	usage
	)

Referenced by EMFDRV_CreateBrushIndirect(), and MFDRV_CreateBrushIndirect().

get_dc_ptr()

DC* get_dc_ptr

(

HDC

hdc

)

Definition at line 377 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(), DRIVER_RestoreDC(), DRIVER_SelectBrush(), DRIVER_SelectFont(), DRIVER_SelectPen(), GetPhysDev(), and MFDRV_CloseMetaFile().

get_dib_image_size()

static int get_dib_image_size ( const BITMAPINFO *  info )

inlinestatic

Definition at line 173 of file gdi_private.h.

{
    return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
        * abs( info->bmiHeader.biHeight );
}

get_dib_info_size()

static int get_dib_info_size ( const BITMAPINFO *  info, UINT  coloruse  )

inlinestatic

Definition at line 180 of file gdi_private.h.

{
    if (info->bmiHeader.biCompression == BI_BITFIELDS)
        return sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD);
    if (coloruse == DIB_PAL_COLORS)
        return sizeof(BITMAPINFOHEADER) + info->bmiHeader.biClrUsed * sizeof(WORD);
    return FIELD_OFFSET( BITMAPINFO, bmiColors[info->bmiHeader.biClrUsed] );
}

Referenced by EMFDRV_CreateBrushIndirect(), EMFDRV_SetDIBitsToDevice(), EMFDRV_StretchDIBits(), MFDRV_CreateBrushIndirect(), MFDRV_SetDIBitsToDevice(), MFDRV_StretchBlt(), and MFDRV_StretchDIBits().

get_dib_stride()

static int get_dib_stride ( int  width, int  bpp  )

inlinestatic

Definition at line 168 of file gdi_private.h.

{
    return ((width * bpp + 31) >> 3) & ~3;
}

Referenced by get_dib_image_size().

get_full_gdi_handle()

HGDIOBJ get_full_gdi_handle

(

HGDIOBJ

handle

)

Referenced by EMFDRV_AddHandle(), and MFDRV_AddHandle().

get_physdev_dc()

WINEDC* get_physdev_dc

(

PHYSDEV

dev

)

Definition at line 190 of file rosglue.c.

{
    while (dev->funcs != &DummyPhysDevFuncs)
        dev = dev->next;
    return get_nulldrv_dc( dev );
}

Referenced by EMFDRV_ArcChordPie(), EMFDRV_BeginPath(), EMFDRV_Ellipse(), EMFDRV_ExtTextOut(), EMFDRV_LineTo(), EMFDRV_Polylinegon(), EMFDRV_Rectangle(), EMFDRV_RestoreDC(), EMFDRV_RoundRect(), EMFDRV_SetDCBrushColor(), EMFDRV_SetDCPenColor(), emfdrv_stroke_and_fill_path(), emfpathdrv_AbortPath(), emfpathdrv_EndPath(), pathdrv_AbortPath(), and pathdrv_EndPath().

MF_Create_HMETAFILE()

HMETAFILE MF_Create_HMETAFILE

(

METAHEADER *

mh

)

Definition at line 107 of file metafile.c.

{
    return alloc_gdi_handle( mh, OBJ_METAFILE, NULL );
}

Referenced by CloseMetaFile(), CopyMetaFileW(), GetMetaFileA(), GetMetaFileW(), and SetMetaFileBitsEx().

MF_CreateMetaHeaderDisk()

METAHEADER* MF_CreateMetaHeaderDisk	(	METAHEADER *	mr,
		LPCVOID	filename,
		BOOL	unicode
	)

Definition at line 271 of file metafile.c.

{
    METAHEADERDISK *mhd;

    mh = HeapReAlloc( GetProcessHeap(), 0, mh,
              sizeof(METAHEADER) + sizeof(METAHEADERDISK));
    mh->mtType = METAFILE_DISK;
    mhd = (METAHEADERDISK *)((char *)mh + sizeof(METAHEADER));

    if( uni )
        WideCharToMultiByte(CP_ACP, 0, filename, -1,
                   mhd->filename, sizeof mhd->filename, NULL, NULL);
    else
        lstrcpynA( mhd->filename, filename, sizeof mhd->filename );
    return mh;
}

Referenced by CreateMetaFileW().

NtGdiGetTransform()

BOOL APIENTRY NtGdiGetTransform	(	_In_ HDC	hdc,
		_In_ DWORD	iXform,
		_Out_ LPXFORM	pxf
	)

Referenced by EMFDRV_StretchBlt(), and GetOutlineTextMetricsW().

pop_dc_driver()

static PHYSDEV pop_dc_driver ( DC *  dc, const struct gdi_dc_funcs *  funcs  )

inlinestatic

Definition at line 145 of file gdi_private.h.

{
    PHYSDEV dev, *pdev = &dc->physDev;
    while (*pdev && (*pdev)->funcs != funcs) pdev = &(*pdev)->next;
    if (!*pdev) return NULL;
    dev = *pdev;
    *pdev = dev->next;
    return dev;
}

Referenced by emfpathdrv_AbortPath(), emfpathdrv_EndPath(), pathdrv_AbortPath(), and pathdrv_EndPath().

push_dc_driver_ros()

void push_dc_driver_ros	(	PHYSDEV *	dev,
		PHYSDEV	physdev,
		const struct gdi_dc_funcs *	funcs
	)

Definition at line 402 of file rosglue.c.

{
    while ((*dev)->funcs->priority > funcs->priority) dev = &(*dev)->next;
    physdev->funcs = funcs;
    physdev->next = *dev;
    physdev->hdc = CONTAINING_RECORD(dev, WINEDC, physDev)->hdc;
    *dev = physdev;
}

release_dc_ptr()

void release_dc_ptr

(

DC *

dc

)

Referenced by CloseEnhMetaFile(), CreateEnhMetaFileW(), CreateMetaFileW(), and MFDRV_CloseMetaFile().

SetVirtualResolution()

BOOL WINAPI SetVirtualResolution	(	HDC	hdc,
		DWORD	horz_res,
		DWORD	vert_res,
		DWORD	horz_size,
		DWORD	vert_size
	)

Definition at line 522 of file rosglue.c.

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

Referenced by CreateEnhMetaFileW(), and MFDRV_AllocMetaFile().