rom/graphics/setapen.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function SetAPen()
   6     Lang: english
   7 */
   8 #include "graphics_intern.h"
   9 #include <proto/oop.h>
  10 #include "gfxfuncsupport.h"
  11
  12 /*****************************************************************************
  13
  14     NAME */
  15 #include <graphics/rastport.h>
  16 #include <proto/graphics.h>
  17
  18         AROS_LH2(void, SetAPen,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(struct RastPort *, rp, A1),
  22         AROS_LHA(ULONG            , pen, D0),
  23
  24 /*  LOCATION */
  25         struct GfxBase *, GfxBase, 57, Graphics)
  26
  27 /*  FUNCTION
  28         Set primary pen for rastport
  29
  30     INPUTS
  31         rp  - RastPort
  32         pen - pen number (0...255)
  33
  34     RESULT
  35
  36     NOTES
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43
  44     INTERNALS
  45
  46     HISTORY
  47         29-10-95    digulla automatically created from
  48                             graphics_lib.fd and clib/graphics_protos.h
  49
  50 *****************************************************************************/
  51 {
  52     AROS_LIBFUNC_INIT
  53
  54     struct gfx_driverdata *dd;
  55
  56     if (OBTAIN_DRIVERDATA(rp, GfxBase))
  57     {
  58         dd = GetDriverData(rp);
  59         if (dd)
  60         {
  61             struct TagItem col_tags[]=
  62             {
  63                 { aHidd_GC_Foreground, 0},
  64                 { TAG_DONE              }
  65             };
  66
  67             col_tags[0].ti_Data = rp->BitMap ? BM_PIXEL(rp->BitMap, pen & PEN_MASK) : pen;
  68             OOP_SetAttrs( dd->dd_GC, col_tags );
  69
  70         }
  71         RELEASE_DRIVERDATA(rp, GfxBase);
  72     }
  73
  74     rp->FgPen = pen;
  75     rp->linpatcnt = 15;
  76
  77     AROS_LIBFUNC_EXIT
  78 } /* SetAPen */