rom/intuition/queryoverscan.c

   1 /*
   2     Copyright © 1995-2003, The AROS Development Team. All rights reserved.
   3     Copyright © 2001-2003, The MorphOS Development Team. All Rights Reserved.
   4     $Id$
   5 */
   6
   7 #include <graphics/displayinfo.h>
   8 #include <proto/graphics.h>
   9 #include "intuition_intern.h"
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14 #include <proto/intuition.h>
  15
  16 AROS_LH3(LONG, QueryOverscan,
  17
  18          /*  SYNOPSIS */
  19          AROS_LHA(ULONG             , displayid, A0),
  20          AROS_LHA(struct Rectangle *, rect     , A1),
  21          AROS_LHA(WORD              , oscantype, D0),
  22
  23          /*  LOCATION */
  24          struct IntuitionBase *, IntuitionBase, 79, Intuition)
  25
  26 /*  FUNCTION
  27
  28     INPUTS
  29
  30     RESULT
  31
  32     NOTES
  33
  34     EXAMPLE
  35
  36     BUGS
  37
  38     SEE ALSO
  39
  40     INTERNALS
  41
  42     HISTORY
  43
  44 *****************************************************************************/
  45 {
  46     AROS_LIBFUNC_INIT
  47     AROS_LIBBASE_EXT_DECL(struct IntuitionBase *,IntuitionBase)
  48
  49     struct DimensionInfo diminfo;
  50     LONG                 retval = FALSE;
  51
  52     DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: displayid 0x%lx rect 0x%lx oscantype 0x%lx\n",
  53                                 displayid,
  54                                 rect,
  55                                 oscantype));
  56
  57     DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: %ld %ld %ld %ld\n",
  58                                 rect->MinX,
  59                                 rect->MinY,
  60                                 rect->MaxX,
  61                                 rect->MaxY));
  62     ASSERT_VALID_PTR(rect);
  63
  64     if (GetDisplayInfoData(NULL, (UBYTE *)&diminfo, sizeof(diminfo), DTAG_DIMS, displayid) > 0)
  65     {
  66         retval = TRUE;
  67
  68         switch(oscantype)
  69         {
  70             case OSCAN_TEXT:
  71                 DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: OSCAN_TEXT\n"));
  72                 memcpy(rect,&diminfo.TxtOScan,sizeof(struct Rectangle));
  73                 break;
  74
  75             case OSCAN_STANDARD:
  76                 DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: OSCAN_STANDARD\n"));
  77                 memcpy(rect,&diminfo.StdOScan,sizeof(struct Rectangle));
  78                 break;
  79
  80             case OSCAN_MAX:
  81                 DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: OSCAN_MAX\n"));
  82                 memcpy(rect,&diminfo.MaxOScan,sizeof(struct Rectangle));
  83                 break;
  84
  85             case OSCAN_VIDEO:
  86                 DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: OSCAN_VIDEO\n"));
  87                 memcpy(rect,&diminfo.VideoOScan,sizeof(struct Rectangle));
  88                 break;
  89
  90             default:
  91                 DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: OSCAN_????\n"));
  92                 /* or should we assume OSCAN_TEXT? */
  93                 retval = FALSE;
  94                 break;
  95
  96         } /* switch(oscantype) */
  97
  98     } /* if (GetDisplayInfoData(NULL, &diminfo, sizeof(diminfo), DTAG_DIMS, displayid) > 0) */
  99
 100     DEBUG_QUERYOVERSCAN(dprintf("LIB_QueryOverscan: retval %ld, %ld %ld %ld %ld\n",
 101                                 retval,
 102                                 rect->MinX,
 103                                 rect->MinY,
 104                                 rect->MaxX,
 105                                 rect->MaxY));
 106
 107     return retval;
 108
 109     AROS_LIBFUNC_EXIT
 110
 111 } /* QueryOverscan */