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441 lines
12 KiB
C
441 lines
12 KiB
C
/*
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* Metafile driver graphics functions
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*
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* Copyright 1993, 1994 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "mfdrv/metafiledrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(metafile);
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/**********************************************************************
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* MFDRV_MoveTo
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*/
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BOOL CDECL MFDRV_MoveTo(PHYSDEV dev, INT x, INT y)
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{
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return MFDRV_MetaParam2(dev,META_MOVETO,x,y);
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}
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/***********************************************************************
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* MFDRV_LineTo
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*/
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BOOL CDECL MFDRV_LineTo( PHYSDEV dev, INT x, INT y )
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{
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return MFDRV_MetaParam2(dev, META_LINETO, x, y);
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}
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/***********************************************************************
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* MFDRV_Arc
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*/
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BOOL CDECL MFDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return MFDRV_MetaParam8(dev, META_ARC, left, top, right, bottom,
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xstart, ystart, xend, yend);
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}
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/***********************************************************************
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* MFDRV_Pie
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*/
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BOOL CDECL MFDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return MFDRV_MetaParam8(dev, META_PIE, left, top, right, bottom,
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xstart, ystart, xend, yend);
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}
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/***********************************************************************
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* MFDRV_Chord
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*/
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BOOL CDECL MFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return MFDRV_MetaParam8(dev, META_CHORD, left, top, right, bottom,
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xstart, ystart, xend, yend);
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}
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/***********************************************************************
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* MFDRV_Ellipse
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*/
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BOOL CDECL MFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
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{
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return MFDRV_MetaParam4(dev, META_ELLIPSE, left, top, right, bottom);
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}
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/***********************************************************************
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* MFDRV_Rectangle
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*/
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BOOL CDECL MFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
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{
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return MFDRV_MetaParam4(dev, META_RECTANGLE, left, top, right, bottom);
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}
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/***********************************************************************
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* MFDRV_RoundRect
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*/
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BOOL CDECL MFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
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INT bottom, INT ell_width, INT ell_height )
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{
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return MFDRV_MetaParam6(dev, META_ROUNDRECT, left, top, right, bottom,
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ell_width, ell_height);
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}
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/***********************************************************************
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* MFDRV_SetPixel
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*/
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COLORREF CDECL MFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
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{
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return MFDRV_MetaParam4(dev, META_SETPIXEL, x, y,HIWORD(color),
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LOWORD(color));
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}
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/******************************************************************
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* MFDRV_MetaPoly - implements Polygon and Polyline
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*/
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static BOOL MFDRV_MetaPoly(PHYSDEV dev, short func, POINTS *pt, short count)
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{
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BOOL ret;
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DWORD len;
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METARECORD *mr;
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len = sizeof(METARECORD) + (count * 4);
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if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )))
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return FALSE;
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mr->rdSize = len / 2;
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mr->rdFunction = func;
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*(mr->rdParm) = count;
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memcpy(mr->rdParm + 1, pt, count * 4);
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ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
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HeapFree( GetProcessHeap(), 0, mr);
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return ret;
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}
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/**********************************************************************
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* MFDRV_Polyline
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*/
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BOOL CDECL MFDRV_Polyline( PHYSDEV dev, const POINT* pt, INT count )
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{
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int i;
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POINTS *pts;
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BOOL ret;
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pts = HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS)*count );
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if(!pts) return FALSE;
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for (i=count;i--;)
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{
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pts[i].x = pt[i].x;
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pts[i].y = pt[i].y;
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}
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ret = MFDRV_MetaPoly(dev, META_POLYLINE, pts, count);
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HeapFree( GetProcessHeap(), 0, pts );
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return ret;
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}
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/**********************************************************************
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* MFDRV_Polygon
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*/
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BOOL CDECL MFDRV_Polygon( PHYSDEV dev, const POINT* pt, INT count )
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{
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int i;
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POINTS *pts;
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BOOL ret;
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pts = HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS)*count );
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if(!pts) return FALSE;
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for (i=count;i--;)
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{
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pts[i].x = pt[i].x;
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pts[i].y = pt[i].y;
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}
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ret = MFDRV_MetaPoly(dev, META_POLYGON, pts, count);
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HeapFree( GetProcessHeap(), 0, pts );
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return ret;
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}
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/**********************************************************************
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* MFDRV_PolyPolygon
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*/
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BOOL CDECL MFDRV_PolyPolygon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polygons)
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{
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BOOL ret;
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DWORD len;
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METARECORD *mr;
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unsigned int i,j;
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POINTS *pts;
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INT16 totalpoint16 = 0;
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INT16 * pointcounts;
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for (i=0;i<polygons;i++) {
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totalpoint16 += counts[i];
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}
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/* allocate space for all points */
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pts=HeapAlloc( GetProcessHeap(), 0, sizeof(POINTS) * totalpoint16 );
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pointcounts = HeapAlloc( GetProcessHeap(), 0, sizeof(INT16) * totalpoint16 );
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/* copy point counts */
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for (i=0;i<polygons;i++) {
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pointcounts[i] = counts[i];
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}
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/* convert all points */
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for (j = totalpoint16; j--;){
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pts[j].x = pt[j].x;
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pts[j].y = pt[j].y;
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}
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len = sizeof(METARECORD) + sizeof(WORD) + polygons*sizeof(INT16) + totalpoint16*sizeof(*pts);
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if (!(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len ))) {
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HeapFree( GetProcessHeap(), 0, pts );
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HeapFree( GetProcessHeap(), 0, pointcounts );
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return FALSE;
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}
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mr->rdSize = len /2;
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mr->rdFunction = META_POLYPOLYGON;
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*(mr->rdParm) = polygons;
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memcpy(mr->rdParm + 1, pointcounts, polygons*sizeof(INT16));
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memcpy(mr->rdParm + 1+polygons, pts , totalpoint16*sizeof(*pts));
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ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
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HeapFree( GetProcessHeap(), 0, pts );
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HeapFree( GetProcessHeap(), 0, pointcounts );
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HeapFree( GetProcessHeap(), 0, mr);
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return ret;
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}
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/**********************************************************************
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* MFDRV_ExtFloodFill
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*/
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BOOL CDECL MFDRV_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT fillType )
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{
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return MFDRV_MetaParam4(dev,META_FLOODFILL,x,y,HIWORD(color),
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LOWORD(color));
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}
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/******************************************************************
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* MFDRV_CreateRegion
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*
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* For explanation of the format of the record see MF_Play_MetaCreateRegion in
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* objects/metafile.c
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*/
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static INT16 MFDRV_CreateRegion(PHYSDEV dev, HRGN hrgn)
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{
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DWORD len;
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METARECORD *mr;
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RGNDATA *rgndata;
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RECT *pCurRect, *pEndRect;
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WORD Bands = 0, MaxBands = 0;
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WORD *Param, *StartBand;
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BOOL ret;
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if (!(len = GetRegionData( hrgn, 0, NULL ))) return -1;
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if( !(rgndata = HeapAlloc( GetProcessHeap(), 0, len )) ) {
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WARN("Can't alloc rgndata buffer\n");
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return -1;
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}
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GetRegionData( hrgn, len, rgndata );
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/* Overestimate of length:
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* Assume every rect is a separate band -> 6 WORDs per rect
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*/
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len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
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if( !(mr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, len )) ) {
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WARN("Can't alloc METARECORD buffer\n");
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HeapFree( GetProcessHeap(), 0, rgndata );
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return -1;
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}
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Param = mr->rdParm + 11;
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StartBand = NULL;
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pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
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for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
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{
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if( StartBand && pCurRect->top == *(StartBand + 1) )
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{
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*Param++ = pCurRect->left;
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*Param++ = pCurRect->right;
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}
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else
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{
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if(StartBand)
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{
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*StartBand = Param - StartBand - 3;
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*Param++ = *StartBand;
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if(*StartBand > MaxBands)
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MaxBands = *StartBand;
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Bands++;
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}
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StartBand = Param++;
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*Param++ = pCurRect->top;
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*Param++ = pCurRect->bottom;
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*Param++ = pCurRect->left;
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*Param++ = pCurRect->right;
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}
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}
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if (StartBand)
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{
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*StartBand = Param - StartBand - 3;
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*Param++ = *StartBand;
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if(*StartBand > MaxBands)
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MaxBands = *StartBand;
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Bands++;
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}
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mr->rdParm[0] = 0;
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mr->rdParm[1] = 6;
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mr->rdParm[2] = 0x2f6;
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mr->rdParm[3] = 0;
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mr->rdParm[4] = (Param - &mr->rdFunction) * sizeof(WORD);
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mr->rdParm[5] = Bands;
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mr->rdParm[6] = MaxBands;
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mr->rdParm[7] = rgndata->rdh.rcBound.left;
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mr->rdParm[8] = rgndata->rdh.rcBound.top;
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mr->rdParm[9] = rgndata->rdh.rcBound.right;
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mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
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mr->rdFunction = META_CREATEREGION;
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mr->rdSize = Param - (WORD *)mr;
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ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2 );
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HeapFree( GetProcessHeap(), 0, mr );
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HeapFree( GetProcessHeap(), 0, rgndata );
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if(!ret)
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{
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WARN("MFDRV_WriteRecord failed\n");
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return -1;
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}
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return MFDRV_AddHandle( dev, hrgn );
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}
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/**********************************************************************
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* MFDRV_PaintRgn
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*/
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BOOL CDECL MFDRV_PaintRgn( PHYSDEV dev, HRGN hrgn )
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{
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INT16 index;
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index = MFDRV_CreateRegion( dev, hrgn );
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if(index == -1)
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return FALSE;
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return MFDRV_MetaParam1( dev, META_PAINTREGION, index );
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}
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/**********************************************************************
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* MFDRV_InvertRgn
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*/
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BOOL CDECL MFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
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{
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INT16 index;
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index = MFDRV_CreateRegion( dev, hrgn );
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if(index == -1)
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return FALSE;
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return MFDRV_MetaParam1( dev, META_INVERTREGION, index );
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}
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/**********************************************************************
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* MFDRV_FillRgn
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*/
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BOOL CDECL MFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
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{
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INT16 iRgn, iBrush;
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iRgn = MFDRV_CreateRegion( dev, hrgn );
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if(iRgn == -1)
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return FALSE;
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iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
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if(!iBrush)
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return FALSE;
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return MFDRV_MetaParam2( dev, META_FILLREGION, iRgn, iBrush );
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}
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/**********************************************************************
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* MFDRV_FrameRgn
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*/
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BOOL CDECL MFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT x, INT y )
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{
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INT16 iRgn, iBrush;
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iRgn = MFDRV_CreateRegion( dev, hrgn );
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if(iRgn == -1)
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return FALSE;
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iBrush = MFDRV_CreateBrushIndirect( dev, hbrush );
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if(!iBrush)
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return FALSE;
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return MFDRV_MetaParam4( dev, META_FRAMEREGION, iRgn, iBrush, x, y );
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}
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/**********************************************************************
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* MFDRV_ExtSelectClipRgn
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*/
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INT CDECL MFDRV_ExtSelectClipRgn( PHYSDEV dev, HRGN hrgn, INT mode )
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{
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INT16 iRgn;
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INT ret;
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if (mode != RGN_COPY) return ERROR;
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if (!hrgn) return NULLREGION;
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iRgn = MFDRV_CreateRegion( dev, hrgn );
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if(iRgn == -1) return ERROR;
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ret = MFDRV_MetaParam1( dev, META_SELECTOBJECT, iRgn ) ? NULLREGION : ERROR;
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MFDRV_MetaParam1( dev, META_DELETEOBJECT, iRgn );
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MFDRV_RemoveHandle( dev, iRgn );
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return ret;
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}
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/**********************************************************************
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* MFDRV_PolyBezier
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* Since MetaFiles don't record Beziers and they don't even record
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* approximations to them using lines, we need this stub function.
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*/
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BOOL CDECL MFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
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{
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return FALSE;
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}
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/**********************************************************************
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* MFDRV_PolyBezierTo
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* Since MetaFiles don't record Beziers and they don't even record
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* approximations to them using lines, we need this stub function.
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*/
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BOOL CDECL MFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )
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{
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return FALSE;
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}
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