init.c File Reference

#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winnls.h"
#include "gdi_private.h"
#include "enhmfdrv/enhmetafiledrv.h"
#include "wine/debug.h"

Include dependency graph for init.c:

Go to the source code of this file.

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (enhmetafile)
static BOOL	EMFDRV_DeleteDC (PHYSDEV dev)
BOOL	EMFDRV_WriteRecord (PHYSDEV dev, EMR *emr)
void	EMFDRV_UpdateBBox (PHYSDEV dev, RECTL *rect)
HDC WINAPI	CreateEnhMetaFileA (HDC hdc, LPCSTR filename, const RECT *rect, LPCSTR description)
HDC WINAPI	CreateEnhMetaFileW (HDC hdc, LPCWSTR filename, const RECT *rect, LPCWSTR description)
HENHMETAFILE WINAPI	CloseEnhMetaFile (HDC hdc)

Variables
static const struct gdi_dc_funcs	emfdrv_driver

Function Documentation

CloseEnhMetaFile()

HENHMETAFILE WINAPI CloseEnhMetaFile

(

HDC

hdc

)

Definition at line 432 of file init.c.

{
    HENHMETAFILE hmf;
    EMFDRV_PDEVICE *physDev;
    DC *dc;
    EMREOF emr;
    HANDLE hMapping = 0;
 
    TRACE("(%p)\n", hdc );
 
    if (!(dc = get_dc_ptr( hdc ))) return NULL;
    if (GetObjectType( hdc ) != OBJ_ENHMETADC)
    {
        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 = get_emf_physdev( find_dc_driver( dc, &emfdrv_driver ));
 
    if(dc->saveLevel)
        RestoreDC(hdc, 1);
 
    if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
    if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
    if (physDev->screen_dc) DeleteDC( physDev->screen_dc );
 
    emr.emr.iType = EMR_EOF;
    emr.emr.nSize = sizeof(emr);
    emr.nPalEntries = 0;
    emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
    emr.nSizeLast = emr.emr.nSize;
    EMFDRV_WriteRecord( &physDev->dev, &emr.emr );
 
    /* Update rclFrame if not initialized in CreateEnhMetaFile */
    if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
        physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
      physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
        physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
      physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
        physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
      physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
        physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
      physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
    }
 
    if (physDev->hFile)  /* disk based metafile */
    {
        if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
        {
            CloseHandle( physDev->hFile );
            free_dc_ptr( dc );
            return 0;
        }
 
        if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
                       NULL, NULL))
        {
            CloseHandle( physDev->hFile );
            free_dc_ptr( dc );
            return 0;
        }
    HeapFree( GetProcessHeap(), 0, physDev->emh );
        hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
                      0, NULL);
    TRACE("hMapping = %p\n", hMapping );
    physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
    TRACE("view = %p\n", physDev->emh );
        CloseHandle( hMapping );
        CloseHandle( physDev->hFile );
    }
 
    hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
    physDev->emh = NULL;  /* So it won't be deleted */
    free_dc_ptr( dc );
    return hmf;
}

CreateEnhMetaFileA()

HDC WINAPI CreateEnhMetaFileA	(	HDC	hdc,
		LPCSTR	filename,
		const RECT *	rect,
		LPCSTR	description
	)

Definition at line 271 of file init.c.

{
    LPWSTR filenameW = NULL;
    LPWSTR descriptionW = NULL;
    HDC hReturnDC;
    DWORD len1, len2, total;
 
    if(filename)
    {
        total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
        filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
        MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
    }
    if(description) {
        len1 = strlen(description);
    len2 = strlen(description + len1 + 1);
        total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
    descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
        MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
    }
 
    hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
 
    HeapFree( GetProcessHeap(), 0, filenameW );
    HeapFree( GetProcessHeap(), 0, descriptionW );
 
    return hReturnDC;
}

CreateEnhMetaFileW()

HDC WINAPI CreateEnhMetaFileW	(	HDC	hdc,
		LPCWSTR	filename,
		const RECT *	rect,
		LPCWSTR	description
	)

Definition at line 308 of file init.c.

{
    static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
    HDC ret;
    DC *dc;
    EMFDRV_PDEVICE *physDev;
    HANDLE hFile;
    DWORD size = 0, length = 0;
    DWORD bytes_written;
 
    TRACE("(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect), debugstr_w(description) );
 
    if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0;
 
    physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev));
    if (!physDev) {
        free_dc_ptr( dc );
        return 0;
    }
    if(description) { /* App name\0Title\0\0 */
        length = lstrlenW(description);
    length += lstrlenW(description + length + 1);
    length += 3;
    length *= 2;
    }
    size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
 
    if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
        HeapFree( GetProcessHeap(), 0, physDev );
        free_dc_ptr( dc );
        return 0;
    }
 
    push_dc_driver( &dc->physDev, &physDev->dev, &emfdrv_driver );
 
    physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
    physDev->handles_size = HANDLE_LIST_INC;
    physDev->cur_handles = 1;
    physDev->hFile = 0;
    physDev->dc_brush = 0;
    physDev->dc_pen = 0;
    physDev->screen_dc = 0;
    physDev->restoring = 0;
    physDev->path = FALSE;
    if (hdc)  /* if no ref, use current display */
        physDev->ref_dc = hdc;
    else
        physDev->ref_dc = physDev->screen_dc = CreateDCW( displayW, NULL, NULL, NULL );
 
    SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
 
    physDev->emh->iType = EMR_HEADER;
    physDev->emh->nSize = size;
 
    physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
    physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
 
    if(rect) {
        physDev->emh->rclFrame.left   = rect->left;
    physDev->emh->rclFrame.top    = rect->top;
    physDev->emh->rclFrame.right  = rect->right;
    physDev->emh->rclFrame.bottom = rect->bottom;
    } else {  /* Set this to {0,0 - -1,-1} and update it at the end */
        physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
    physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
    }
 
    physDev->emh->dSignature = ENHMETA_SIGNATURE;
    physDev->emh->nVersion = 0x10000;
    physDev->emh->nBytes = physDev->emh->nSize;
    physDev->emh->nRecords = 1;
    physDev->emh->nHandles = 1;
 
    physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
    physDev->emh->nDescription = length / 2;
 
    physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
 
    physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
 
    /* Size in pixels */
    physDev->emh->szlDevice.cx = GetDeviceCaps( physDev->ref_dc, HORZRES );
    physDev->emh->szlDevice.cy = GetDeviceCaps( physDev->ref_dc, VERTRES );
 
    /* Size in millimeters */
    physDev->emh->szlMillimeters.cx = GetDeviceCaps( physDev->ref_dc, HORZSIZE );
    physDev->emh->szlMillimeters.cy = GetDeviceCaps( physDev->ref_dc, VERTSIZE );
 
    /* Size in micrometers */
    physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000;
    physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000;
 
    memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
 
    if (filename)  /* disk based metafile */
    {
        if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
                 NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
            free_dc_ptr( dc );
            return 0;
        }
        if (!WriteFile( hFile, physDev->emh, size, &bytes_written, NULL )) {
            free_dc_ptr( dc );
            CloseHandle( hFile );
            return 0;
    }
    physDev->hFile = hFile;
    }
 
    TRACE("returning %p\n", physDev->dev.hdc);
    ret = physDev->dev.hdc;
    release_dc_ptr( dc );
 
    return ret;
}

Referenced by CreateEnhMetaFileA().

EMFDRV_DeleteDC()

static BOOL EMFDRV_DeleteDC ( PHYSDEV  dev )

static

Definition at line 174 of file init.c.

{
    EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
    UINT index;
 
    HeapFree( GetProcessHeap(), 0, physDev->emh );
    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;
}

EMFDRV_UpdateBBox()

void EMFDRV_UpdateBBox	(	PHYSDEV	dev,
		RECTL *	rect
	)

Definition at line 231 of file init.c.

{
    EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
    RECTL *bounds = &physDev->emh->rclBounds;
    RECTL vportRect = *rect;
 
    LPtoDP( dev->hdc, (LPPOINT)&vportRect, 2 );
 
    /* The coordinate systems may be mirrored
       (LPtoDP handles points, not rectangles) */
    if (vportRect.left > vportRect.right)
    {
        LONG temp = vportRect.right;
        vportRect.right = vportRect.left;
        vportRect.left = temp;
    }
    if (vportRect.top > vportRect.bottom)
    {
        LONG temp = vportRect.bottom;
        vportRect.bottom = vportRect.top;
        vportRect.top = temp;
    }
 
    if (bounds->left > bounds->right)
    {
        /* first bounding rectangle */
        *bounds = vportRect;
    }
    else
    {
        bounds->left   = min(bounds->left,   vportRect.left);
        bounds->top    = min(bounds->top,    vportRect.top);
        bounds->right  = max(bounds->right,  vportRect.right);
        bounds->bottom = max(bounds->bottom, vportRect.bottom);
    }
}

Referenced by EMFDRV_ArcChordPie(), EMFDRV_Ellipse(), EMFDRV_ExtTextOut(), EMFDRV_FillRgn(), EMFDRV_FrameRgn(), EMFDRV_GradientFill(), EMFDRV_LineTo(), EMFDRV_PaintInvertRgn(), EMFDRV_PatBlt(), EMFDRV_PolyDraw(), EMFDRV_Polylinegon(), EMFDRV_PolyPolylinegon(), EMFDRV_Rectangle(), EMFDRV_RoundRect(), EMFDRV_SetDIBitsToDevice(), EMFDRV_SetPixel(), EMFDRV_StretchBlt(), EMFDRV_StretchDIBits(), and emfdrv_stroke_and_fill_path().

EMFDRV_WriteRecord()

BOOL EMFDRV_WriteRecord	(	PHYSDEV	dev,
		EMR *	emr
	)

Definition at line 194 of file init.c.

{
    DWORD len;
    DWORD bytes_written;
    ENHMETAHEADER *emh;
    EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
 
    TRACE("record %d, size %d %s\n",
          emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
 
    assert( !(emr->nSize & 3) );
 
    physDev->emh->nBytes += emr->nSize;
    physDev->emh->nRecords++;
 
    if(physDev->hFile) {
        if (!WriteFile(physDev->hFile, emr, emr->nSize, &bytes_written, NULL))
        return FALSE;
    } else {
        DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
        len = physDev->emh->nBytes;
        if (len > nEmfSize) {
            nEmfSize += (nEmfSize / 2) + emr->nSize;
            emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
            if (!emh) return FALSE;
            physDev->emh = emh;
        }
        memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
               emr->nSize);
    }
    return TRUE;
}

Referenced by CloseEnhMetaFile(), EMFDRV_AbortPath(), EMFDRV_AngleArc(), EMFDRV_ArcChordPie(), EMFDRV_BeginPath(), EMFDRV_CloseFigure(), EMFDRV_CreateBrushIndirect(), EMFDRV_CreateFontIndirect(), EMFDRV_CreatePalette(), EMFDRV_CreatePenIndirect(), EMFDRV_DeleteObject(), EMFDRV_Ellipse(), EMFDRV_EndPath(), EMFDRV_ExcludeClipRect(), EMFDRV_ExtFloodFill(), EMFDRV_ExtSelectClipRgn(), EMFDRV_ExtTextOut(), EMFDRV_FillRgn(), EMFDRV_FlattenPath(), EMFDRV_FrameRgn(), EMFDRV_GdiComment(), EMFDRV_GradientFill(), EMFDRV_IntersectClipRect(), EMFDRV_LineTo(), EMFDRV_ModifyWorldTransform(), EMFDRV_MoveTo(), EMFDRV_OffsetClipRgn(), EMFDRV_OffsetViewportOrgEx(), EMFDRV_OffsetWindowOrgEx(), EMFDRV_PaintInvertRgn(), EMFDRV_PatBlt(), EMFDRV_PolyDraw(), EMFDRV_Polylinegon(), EMFDRV_PolyPolylinegon(), EMFDRV_Rectangle(), EMFDRV_RestoreDC(), EMFDRV_RoundRect(), EMFDRV_SaveDC(), EMFDRV_ScaleViewportExtEx(), EMFDRV_ScaleWindowExtEx(), EMFDRV_SelectBrush(), EMFDRV_SelectClipPath(), EMFDRV_SelectFont(), EMFDRV_SelectPalette(), EMFDRV_SelectPen(), EMFDRV_SetArcDirection(), EMFDRV_SetBkColor(), EMFDRV_SetBkMode(), EMFDRV_SetDCBrushColor(), EMFDRV_SetDCPenColor(), EMFDRV_SetDIBitsToDevice(), EMFDRV_SetLayout(), EMFDRV_SetMapMode(), EMFDRV_SetMapperFlags(), EMFDRV_SetPixel(), EMFDRV_SetPolyFillMode(), EMFDRV_SetROP2(), EMFDRV_SetStretchBltMode(), EMFDRV_SetTextAlign(), EMFDRV_SetTextColor(), EMFDRV_SetTextJustification(), EMFDRV_SetViewportExtEx(), EMFDRV_SetViewportOrgEx(), EMFDRV_SetWindowExtEx(), EMFDRV_SetWindowOrgEx(), EMFDRV_SetWorldTransform(), EMFDRV_StretchBlt(), EMFDRV_StretchDIBits(), emfdrv_stroke_and_fill_path(), and EMFDRV_WidenPath().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

enhmetafile

)

Variable Documentation

emfdrv_driver

const struct gdi_dc_funcs emfdrv_driver

static

Definition at line 37 of file init.c.

Referenced by CloseEnhMetaFile(), and CreateEnhMetaFileW().