xorg-server-1.4/hw/xprint/ps/PsArc.c

   1 /*
   2
   3 Copyright 1996, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25 */
  26 /*
  27  * (c) Copyright 1996 Hewlett-Packard Company
  28  * (c) Copyright 1996 International Business Machines Corp.
  29  * (c) Copyright 1996 Sun Microsystems, Inc.
  30  * (c) Copyright 1996 Novell, Inc.
  31  * (c) Copyright 1996 Digital Equipment Corp.
  32  * (c) Copyright 1996 Fujitsu Limited
  33  * (c) Copyright 1996 Hitachi, Ltd.
  34  *
  35  * Permission is hereby granted, free of charge, to any person obtaining
  36  * a copy of this software and associated documentation files (the
  37  * "Software"), to deal in the Software without restriction, including
  38  * without limitation the rights to use, copy, modify, merge, publish,
  39  * distribute, sublicense, and/or sell copies of the Software, and to
  40  * permit persons to whom the Software is furnished to do so, subject
  41  * to the following conditions:
  42  *
  43  * The above copyright notice and this permission notice shall be included
  44  * in all copies or substantial portions of the Software.
  45  *
  46  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  47  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  48  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  49  * THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  50  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  51  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  52  * SOFTWARE.
  53  *
  54  * Except as contained in this notice, the names of the copyright holders
  55  * shall not be used in advertising or otherwise to promote the sale, use
  56  * or other dealings in this Software without prior written authorization
  57  * from said copyright holders.
  58  */
  59
  60 /*******************************************************************
  61 **
  62 **    *********************************************************
  63 **    *
  64 **    *  File:          PsArc.c
  65 **    *
  66 **    *  Contents:      Arc-drawing code for the PS DDX driver
  67 **    *
  68 **    *  Created By:    Roger Helmendach (Liberty Systems)
  69 **    *
  70 **    *  Copyright:     Copyright 1996 The Open Group, Inc.
  71 **    *
  72 **    *********************************************************
  73 **
  74 ********************************************************************/
  75
  76 #ifdef HAVE_DIX_CONFIG_H
  77 #include <dix-config.h>
  78 #endif
  79
  80 #include <stdio.h>
  81
  82 #include "Ps.h"
  83 #include "gcstruct.h"
  84 #include "windowstr.h"
  85
  86 void
  87 PsPolyArc(
  88   DrawablePtr pDrawable,
  89   GCPtr       pGC,
  90   int         nArcs,
  91   xArc       *pArcs)
  92 {
  93   if( pDrawable->type==DRAWABLE_PIXMAP )
  94   {
  95     DisplayElmPtr   elm;
  96     PixmapPtr       pix  = (PixmapPtr)pDrawable;
  97     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
  98     DisplayListPtr  disp;
  99     GCPtr           gc;
 100
 101     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
 102
 103     disp = PsGetFreeDisplayBlock(priv);
 104
 105     elm  = &disp->elms[disp->nelms];
 106     elm->type = PolyArcCmd;
 107     elm->gc   = gc;
 108     elm->c.arcs.nArcs = nArcs;
 109     elm->c.arcs.pArcs = (xArc *)xalloc(nArcs*sizeof(xArc));
 110     memcpy(elm->c.arcs.pArcs, pArcs, nArcs*sizeof(xArc));
 111     disp->nelms += 1;
 112   }
 113   else
 114   {
 115     int         i;
 116     PsOutPtr    psOut;
 117     ColormapPtr cMap;
 118
 119     if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
 120     PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
 121     PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel));
 122     PsLineAttrs(psOut, pGC, cMap);
 123     for( i=0 ; i<nArcs ; i++ )
 124     {
 125       PsOut_DrawArc(psOut, (int)pArcs[i].x, (int)pArcs[i].y,
 126                     (int)pArcs[i].width, (int)pArcs[i].height,
 127                     (float)pArcs[i].angle1/64.,
 128                     (float)pArcs[i].angle2/64.);
 129     }
 130   }
 131 }
 132
 133 void
 134 PsPolyFillArc(
 135   DrawablePtr pDrawable,
 136   GCPtr       pGC,
 137   int         nArcs,
 138   xArc       *pArcs)
 139 {
 140   if( pDrawable->type==DRAWABLE_PIXMAP )
 141   {
 142     DisplayElmPtr   elm;
 143     PixmapPtr       pix  = (PixmapPtr)pDrawable;
 144     PsPixmapPrivPtr priv = (PsPixmapPrivPtr)pix->devPrivate.ptr;
 145     DisplayListPtr  disp;
 146     GCPtr           gc;
 147
 148     if ((gc = PsCreateAndCopyGC(pDrawable, pGC)) == NULL) return;
 149
 150     disp = PsGetFreeDisplayBlock(priv);
 151
 152     elm  = &disp->elms[disp->nelms];
 153     elm->type = PolyFillArcCmd;
 154     elm->gc   = gc;
 155     elm->c.arcs.nArcs = nArcs;
 156     elm->c.arcs.pArcs = (xArc *)xalloc(nArcs*sizeof(xArc));
 157     memcpy(elm->c.arcs.pArcs, pArcs, nArcs*sizeof(xArc));
 158     disp->nelms += 1;
 159   }
 160   else
 161   {
 162     int         i;
 163     PsOutPtr    psOut;
 164     PsArcEnum   styl;
 165     ColormapPtr cMap;
 166
 167     if( PsUpdateDrawableGC(pGC, pDrawable, &psOut, &cMap)==FALSE ) return;
 168     PsOut_Offset(psOut, pDrawable->x, pDrawable->y);
 169     PsSetFillColor(pDrawable, pGC, psOut, cMap);
 170     PsLineAttrs(psOut, pGC, cMap);
 171     if( pGC->arcMode==ArcChord ) styl = PsChord;
 172     else                         styl = PsPieSlice;
 173     for( i=0 ; i<nArcs ; i++ )
 174     {
 175       PsOut_FillArc(psOut, (int)pArcs[i].x, (int)pArcs[i].y,
 176                     (int)pArcs[i].width, (int)pArcs[i].height,
 177                     (float)pArcs[i].angle1/64.,
 178                     (float)pArcs[i].angle2/64., styl);
 179     }
 180   }
 181 }