rom/graphics/initvport.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Graphics function InitVPort()
   6     Lang: english
   7 */
   8 #include <aros/debug.h>
   9 #include "graphics_intern.h"
  10 #include <graphics/view.h>
  11 #include <proto/exec.h>
  12
  13 static const struct ViewPort defaultViewPort =
  14 {
  15   NULL, /* Next */
  16   NULL, /* ColorMap */
  17   NULL, /* DspIns */
  18   NULL, /* SprIns */
  19   NULL, /* ClrIns */
  20   NULL, /* UCopIns */
  21   0,    /* DWidth */
  22   0,    /* DHeight */
  23   0,    /* DxOffset */
  24   0,    /* DyOffset */
  25   0,    /* Modes */
  26   0x24, /* SpritePriorities */
  27   0,    /* ExtendedModes */
  28   NULL  /* RasInfo */
  29 };
  30
  31 /*****************************************************************************
  32
  33     NAME */
  34 #include <proto/graphics.h>
  35
  36         AROS_LH1(void, InitVPort,
  37
  38 /*  SYNOPSIS */
  39         AROS_LHA(struct ViewPort *, vp, A0),
  40
  41 /*  LOCATION */
  42         struct GfxBase *, GfxBase, 34, Graphics)
  43
  44 /*  FUNCTION
  45         Initializes a ViewPort structure.
  46
  47     INPUTS
  48         view - The View to initialize.
  49
  50     RESULT
  51         ViewPort is initialized to it`s default values - doesn't care about
  52         previous contents of this structure.
  53         All values except for SpritePriorities are set to 0's.
  54
  55     NOTES
  56
  57     EXAMPLE
  58
  59     BUGS
  60
  61     SEE ALSO
  62
  63     INTERNALS
  64
  65     HISTORY
  66
  67 *****************************************************************************/
  68 {
  69     AROS_LIBFUNC_INIT
  70
  71     ASSERT_VALID_PTR(vp);
  72
  73     CopyMem ((UBYTE *)&defaultViewPort, vp, sizeof (struct ViewPort));
  74
  75     AROS_LIBFUNC_EXIT
  76
  77 } /* InitViewPort */