rom/graphics/setdrmd.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$    $Log
   4
   5     Desc: Graphics function SetDrMd()
   6     Lang: english
   7 */
   8 #include "graphics_intern.h"
   9 #include "gfxfuncsupport.h"
  10 #include <proto/oop.h>
  11
  12 /*****************************************************************************
  13
  14     NAME */
  15 #include <graphics/rastport.h>
  16 #include <proto/graphics.h>
  17
  18         AROS_LH2(void, SetDrMd,
  19
  20 /*  SYNOPSIS */
  21         AROS_LHA(struct RastPort *, rp, A1),
  22         AROS_LHA(ULONG            , drawMode, D0),
  23
  24 /*  LOCATION */
  25         struct GfxBase *, GfxBase, 59, Graphics)
  26
  27 /*  FUNCTION
  28         Set the drawing mode for lines, fills and text.
  29
  30     INPUTS
  31         rp       - RastPort
  32         drawMode - see graphics/rastport.h for possible flags.
  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 TagItem drmd_tags[] =
  55     {
  56         { aHidd_GC_ColorExpansionMode   , 0UL                    },
  57         { aHidd_GC_DrawMode             , vHidd_GC_DrawMode_Copy },
  58         { TAG_DONE                                               }
  59     };
  60     struct gfx_driverdata *dd;
  61
  62     if (OBTAIN_DRIVERDATA(rp, GfxBase))
  63     {
  64         if (drawMode & JAM2)
  65         {
  66             drmd_tags[0].ti_Data = vHidd_GC_ColExp_Opaque;
  67         }
  68         else if (drawMode & COMPLEMENT)
  69         {
  70             drmd_tags[1].ti_Data = vHidd_GC_DrawMode_Invert;
  71         }
  72         else if ((drawMode & (~INVERSVID)) == JAM1)
  73         {
  74             drmd_tags[0].ti_Data = vHidd_GC_ColExp_Transparent;
  75         }
  76
  77         #warning Handle INVERSVID by swapping apen and bpen ?
  78
  79         dd = GetDriverData(rp);
  80         if (dd)
  81         {
  82             OOP_SetAttrs(dd->dd_GC, drmd_tags);
  83         }
  84         RELEASE_DRIVERDATA(rp, GfxBase);
  85     }
  86
  87     rp->DrawMode = drawMode;
  88     rp->linpatcnt = 15;
  89
  90     AROS_LIBFUNC_EXIT
  91 } /* SetDrMd */