/* $XConsortium: PsArc.c /main/2 1996/11/16 15:24:33 rws $ */
/*
 * (c) Copyright 1996 Hewlett-Packard Company
 * (c) Copyright 1996 International Business Machines Corp.
 * (c) Copyright 1996 Sun Microsystems, Inc.
 * (c) Copyright 1996 Novell, Inc.
 * (c) Copyright 1996 Digital Equipment Corp.
 * (c) Copyright 1996 Fujitsu Limited
 * (c) Copyright 1996 Hitachi, Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject
 * to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the names of the copyright holders
 * shall not be used in advertising or otherwise to promote the sale, use
 * or other dealings in this Software without prior written authorization
 * from said copyright holders.
 */

/*******************************************************************
**
**    *********************************************************
**    *
**    *  File:		PsArc.c
**    *
**    *  Contents:	Arc-drawing code for the PS DDX driver
**    *
**    *  Created By:	Roger Helmendach (Liberty Systems)
**    *
**    *  Copyright:	Copyright 1996 X Consortium, Inc.
**    *
**    *********************************************************
** 
********************************************************************/

#include <stdio.h>

#include "Ps.h"
#include "gcstruct.h"
#include "windowstr.h"

void
PsPolyArc(
  DrawablePtr pDrawable,
  GCPtr       pGC,
  int         nArcs,
  xArc       *pArcs)
{
  if( pDrawable->type==DRAWABLE_PIXMAP )
  {
    DisplayElmPtr   elm;
    PixmapPtr       pix  = (PixmapPtr)pDrawable;
    PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
    DisplayListPtr  disp;
    GCPtr           gc;

    if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;

    disp = PsGetFreeDisplayBlock(priv);

    elm  = &disp->elms[disp->nelms];
    elm->type = PolyArcCmd;
    elm->gc   = gc;
    elm->c.arcs.nArcs = nArcs;
    elm->c.arcs.pArcs = (xArc *)xalloc(nArcs*sizeof(xArc));
    memcpy(elm->c.arcs.pArcs, pArcs, nArcs*sizeof(xArc));
    disp->nelms += 1;
  }
  else
  {
    int         i;
    PsOutPtr    psOut;
    ColormapPtr cMap;

    if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
    PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
    PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel));
    PsLineAttrs(psOut, pGC, cMap);
    for( i=0 ; i<nArcs ; i++ )
    {
      PsOut_DrawArc(psOut, (int)pArcs[i].x, (int)pArcs[i].y,
                    (int)pArcs[i].width, (int)pArcs[i].height,
                    (float)pArcs[i].angle1/64.,
                    (float)pArcs[i].angle2/64.);
    }
  }
}

void
PsPolyFillArc(
  DrawablePtr pDrawable,
  GCPtr       pGC,
  int         nArcs,
  xArc       *pArcs)
{
  if( pDrawable->type==DRAWABLE_PIXMAP )
  {
    DisplayElmPtr   elm;
    PixmapPtr       pix  = (PixmapPtr)pDrawable;
    PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
    DisplayListPtr  disp;
    GCPtr           gc;

    if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;

    disp = PsGetFreeDisplayBlock(priv);

    elm  = &disp->elms[disp->nelms];
    elm->type = PolyFillArcCmd;
    elm->gc   = gc;
    elm->c.arcs.nArcs = nArcs;
    elm->c.arcs.pArcs = (xArc *)xalloc(nArcs*sizeof(xArc));
    memcpy(elm->c.arcs.pArcs, pArcs, nArcs*sizeof(xArc));
    disp->nelms += 1;
  }
  else
  {
    int         i;
    PsOutPtr    psOut;
    PsArcEnum   styl;
    ColormapPtr cMap;

    if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
    PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
    PsSetFillColor(pDrawable, pGC, psOut, cMap);
    PsLineAttrs(psOut, pGC, cMap);
    if( pGC->arcMode==ArcChord ) styl = PsChord;
    else                         styl = PsPieSlice;
    for( i=0 ; i<nArcs ; i++ )
    {
      PsOut_FillArc(psOut, (int)pArcs[i].x, (int)pArcs[i].y,
                    (int)pArcs[i].width, (int)pArcs[i].height,
                    (float)pArcs[i].angle1/64.,
                    (float)pArcs[i].angle2/64., styl);
    }
  }
}