rom/hyperlayers/islayervisible.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include <proto/exec.h>
   9 #include <exec/types.h>
  10 #include <exec/memory.h>
  11 #include <layers_intern.h>
  12 #include <aros/libcall.h>
  13 #include <proto/graphics.h>
  14 #include "basicfuncs.h"
  15
  16 /*****************************************************************************
  17
  18     NAME */
  19 #include <proto/layers.h>
  20         AROS_LH1(LONG, IsLayerVisible,
  21
  22 /*  SYNOPSIS */
  23         AROS_LHA(struct Layer *, l      , A0),
  24
  25 /*  LOCATION */
  26         struct LayersBase *, LayersBase, 40, Layers)
  27
  28 /*  FUNCTION
  29        Checks whether the layer is visible or not.
  30
  31     INPUTS
  32        L       - pointer to layer
  33
  34     RESULT
  35        TRUE  - layer is visible
  36        FALSE - layer is invisible
  37
  38     NOTES
  39
  40     EXAMPLE
  41
  42     BUGS
  43
  44     SEE ALSO
  45
  46     INTERNALS
  47
  48     HISTORY
  49
  50 *****************************************************************************/
  51 {
  52   AROS_LIBFUNC_INIT
  53   AROS_LIBBASE_EXT_DECL(struct LayersBase *,LayersBase)
  54
  55   return IS_VISIBLE(l);
  56
  57   AROS_LIBFUNC_EXIT
  58 } /* ChangeLayerVisibility */