193 lines
6.3 KiB
C
193 lines
6.3 KiB
C
/* $Xorg: PsLine.c,v 1.4 2001/02/09 02:04:36 xorgcvs Exp $ */
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/*
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Copyright 1996, 1998 The Open Group
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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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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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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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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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* (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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** * 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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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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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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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if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
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disp = PsGetFreeDisplayBlock(priv);
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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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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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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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if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
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disp = PsGetFreeDisplayBlock(priv);
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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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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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