xorg-server-1.4/hw/xprint/pcl/PclSpans.c

   1 /*******************************************************************
   2 **
   3 **    *********************************************************
   4 **    *
   5 **    *  File:          PclSpans.c
   6 **    *
   7 **    *  Contents:
   8 **    *                 Code to set and fill spans in the PCL DDX
   9 **    *
  10 **    *  Created:       10/23/95
  11 **    *
  12 **    *********************************************************
  13 **
  14 ********************************************************************/
  15 /*
  16 (c) Copyright 1996 Hewlett-Packard Company
  17 (c) Copyright 1996 International Business Machines Corp.
  18 (c) Copyright 1996 Sun Microsystems, Inc.
  19 (c) Copyright 1996 Novell, Inc.
  20 (c) Copyright 1996 Digital Equipment Corp.
  21 (c) Copyright 1996 Fujitsu Limited
  22 (c) Copyright 1996 Hitachi, Ltd.
  23
  24 Permission is hereby granted, free of charge, to any person obtaining a copy
  25 of this software and associated documentation files (the "Software"), to deal
  26 in the Software without restriction, including without limitation the rights
  27 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  28 copies of the Software, and to permit persons to whom the Software is
  29 furnished to do so, subject to the following conditions:
  30
  31 The above copyright notice and this permission notice shall be included in
  32 all copies or substantial portions of the Software.
  33
  34 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  35 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  36 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  37 COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  38 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  39 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  40
  41 Except as contained in this notice, the names of the copyright holders shall
  42 not be used in advertising or otherwise to promote the sale, use or other
  43 dealings in this Software without prior written authorization from said
  44 copyright holders.
  45 */
  46
  47
  48 #ifdef HAVE_DIX_CONFIG_H
  49 #include <dix-config.h>
  50 #endif
  51
  52 #include "Pcl.h"
  53 #include "gcstruct.h"
  54 #include "windowstr.h"
  55
  56 void
  57 PclFillSpans(
  58      DrawablePtr pDrawable,
  59      GCPtr pGC,
  60      int nSpans,
  61      DDXPointPtr pPoints,
  62      int *pWidths,
  63      int fSorted)
  64 {
  65     char t[80];
  66     FILE *outFile;
  67     int xoffset, yoffset;
  68     xRectangle *rects, *r;
  69     RegionPtr fillRegion, region = 0;
  70     int i;
  71     int nbox;
  72     BoxPtr pbox;
  73
  74     if( PclUpdateDrawableGC( pGC, pDrawable, &outFile ) == FALSE )
  75       return;
  76
  77     /*
  78      * Build a region out of the spans
  79      */
  80     rects = (xRectangle *)xalloc( nSpans * sizeof( xRectangle ) );
  81     xoffset = pDrawable->x;
  82     yoffset = pDrawable->y;
  83
  84     for( i = 0, r = rects; i < nSpans; i++, r++ )
  85       {
  86           r->x = pPoints[i].x + xoffset;
  87           r->y = pPoints[i].y + yoffset;
  88           r->width = pWidths[i];
  89           r->height = 1;
  90       }
  91     fillRegion = RECTS_TO_REGION( pGC->pScreen, nSpans, rects, ( fSorted ) ?
  92                                  CT_YSORTED : CT_UNSORTED );
  93
  94     /*
  95      * Intersect this region with the clip region.  Whatever's left,
  96      * should be filled.
  97      */
  98     REGION_INTERSECT( pGC->pScreen, region, fillRegion, pGC->clientClip );
  99
 100     pbox = REGION_RECTS( region );
 101     nbox = REGION_NUM_RECTS( region );
 102
 103     /* Enter HP-GL/2 */
 104     SEND_PCL( outFile, "\27%0B" );
 105
 106     while( nbox )
 107       {
 108           sprintf( t, "PU%d,%d;RR%d,%d;", pbox->x1, pbox->y1,
 109                   pbox->x2, pbox->y2 );
 110           SEND_PCL( outFile, t );
 111
 112           nbox--;
 113           pbox++;
 114       }
 115
 116     /* Go back to PCL */
 117     SEND_PCL( outFile, "\27%0A" );
 118
 119     /*
 120      * Clean up the temporary regions
 121      */
 122     REGION_DESTROY( pGC->pScreen, fillRegion );
 123     REGION_DESTROY( pGC->pScreen, region );
 124     xfree( rects );
 125 }
 126
 127 void
 128 PclSetSpans(
 129      DrawablePtr pDrawable,
 130      GCPtr pGC,
 131      char *pSrc,
 132      DDXPointPtr pPoints,
 133      int *pWidths,
 134      int nSpans,
 135      int fSorted)
 136 {
 137 }