192 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			192 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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| 
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| Copyright 1996, 1998  The Open Group
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that
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| the above copyright notice appear in all copies and that both that
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| copyright notice and this permission notice appear in supporting
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| documentation.
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of The Open Group shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from The Open Group.
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| 
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| */
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| /*
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|  * (c) Copyright 1996 Hewlett-Packard Company
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|  * (c) Copyright 1996 International Business Machines Corp.
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|  * (c) Copyright 1996 Sun Microsystems, Inc.
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|  * (c) Copyright 1996 Novell, Inc.
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|  * (c) Copyright 1996 Digital Equipment Corp.
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|  * (c) Copyright 1996 Fujitsu Limited
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|  * (c) Copyright 1996 Hitachi, Ltd.
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  * "Software"), to deal in the Software without restriction, including
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|  * without limitation the rights to use, copy, modify, merge, publish,
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|  * distribute, sublicense, and/or sell copies of the Software, and to
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|  * permit persons to whom the Software is furnished to do so, subject
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|  * to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included
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|  * in all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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|  * THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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|  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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|  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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|  * SOFTWARE.
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|  *
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|  * Except as contained in this notice, the names of the copyright holders
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|  * shall not be used in advertising or otherwise to promote the sale, use
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|  * or other dealings in this Software without prior written authorization
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|  * from said copyright holders.
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|  */
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| 
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| /*******************************************************************
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| **
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| **    *********************************************************
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| **    *
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| **    *  File:		PsLine.c
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| **    *
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| **    *  Contents:	Line drawing routines for the PS driver
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| **    *
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| **    *  Created By:	Roger Helmendach (Liberty Systems)
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| **    *
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| **    *  Copyright:	Copyright 1996 The Open Group, Inc.
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| **    *
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| **    *********************************************************
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| ** 
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| ********************************************************************/
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include "Ps.h"
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| #include "gcstruct.h"
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| #include "windowstr.h"
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| 
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| void
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| PsPolyLine(
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|   DrawablePtr  pDrawable,
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|   GCPtr        pGC,
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|   int          mode,
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|   int          nPoints,
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|   xPoint      *pPoints)
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| {
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|   if( pDrawable->type==DRAWABLE_PIXMAP )
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|   {
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|     DisplayElmPtr   elm;
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|     PixmapPtr       pix  = (PixmapPtr)pDrawable;
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|     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
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|     DisplayListPtr  disp;
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|     GCPtr           gc;
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| 
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|     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
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| 
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|     disp = PsGetFreeDisplayBlock(priv);
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| 
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|     elm  = &disp->elms[disp->nelms];
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|     elm->type = PolyLineCmd;
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|     elm->gc   = gc;
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|     elm->c.polyPts.mode    = mode;
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|     elm->c.polyPts.nPoints = nPoints;
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|     elm->c.polyPts.pPoints = (xPoint *)xalloc(nPoints*sizeof(xPoint));
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|     memcpy(elm->c.polyPts.pPoints, pPoints, nPoints*sizeof(xPoint));
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|     disp->nelms += 1;
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|   }
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|   else
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|   {
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|     int         i;
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|     PsOutPtr    psOut;
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|     PsPointPtr  pts;
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|     ColormapPtr cMap;
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| 
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|     if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
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|     PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
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|     PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel));
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|     PsLineAttrs(psOut, pGC, cMap);
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|     pts = (PsPointPtr)xalloc(sizeof(PsPointRec)*nPoints);
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|     if( mode==CoordModeOrigin )
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|     {
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|       for( i=0 ; i<nPoints ; i++ )
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|         { pts[i].x = pPoints[i].x; pts[i].y = pPoints[i].y; }
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|     }
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|     else
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|     {
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|       pts[0].x = pPoints[0].x; pts[0].y = pPoints[0].y;
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|       for( i=1 ; i<nPoints ;  i++ )
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|       {
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|         pts[i].x = pts[i-1].x+pPoints[i].x;
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|         pts[i].y = pts[i-1].y+pPoints[i].y;
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|       }
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|     }
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|     PsOut_Lines(psOut, nPoints, pts);
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|     xfree(pts);
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|   }
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| }
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| 
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| void
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| PsPolySegment(
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|   DrawablePtr  pDrawable,
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|   GCPtr        pGC,
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|   int          nSegments,
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|   xSegment    *pSegments)
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| {
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|   if( pDrawable->type==DRAWABLE_PIXMAP )
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|   {
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|     DisplayElmPtr   elm;
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|     PixmapPtr       pix  = (PixmapPtr)pDrawable;
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|     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
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|     DisplayListPtr  disp;
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|     GCPtr           gc;
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| 
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|     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
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| 
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|     disp = PsGetFreeDisplayBlock(priv);
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| 
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|     elm  = &disp->elms[disp->nelms];
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|     elm->type = PolySegmentCmd;
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|     elm->gc   = gc;
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|     elm->c.segments.nSegments = nSegments;
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|     elm->c.segments.pSegments = (xSegment *)xalloc(nSegments*sizeof(xSegment));
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|     memcpy(elm->c.segments.pSegments, pSegments, nSegments*sizeof(xSegment));
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|     disp->nelms += 1;
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|   }
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|   else
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|   {
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|     int         i;
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|     PsOutPtr    psOut;
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|     PsPointRec  pts[2];
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|     ColormapPtr cMap;
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| 
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|     if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
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|     PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
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|     PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel));
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|     PsLineAttrs(psOut, pGC, cMap);
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|     for( i=0 ; i<nSegments ; i++ )
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|     {
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|       pts[0].x = pSegments[i].x1;
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|       pts[0].y = pSegments[i].y1;
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|       pts[1].x = pSegments[i].x2;
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|       pts[1].y = pSegments[i].y2;
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|       PsOut_Lines(psOut, 2, pts);
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|     }
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|   }
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| }
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