rom/graphics/loadrgb32.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include <aros/debug.h>
   9 #include "graphics_intern.h"
  10 #include <proto/graphics.h>
  11
  12 #if DEBUG
  13 #undef THIS_FILE
  14 static const char THIS_FILE[] = __FILE__;
  15 #endif
  16
  17 /*****************************************************************************
  18
  19     NAME */
  20
  21         AROS_LH2(void, LoadRGB32,
  22
  23 /*  SYNOPSIS */
  24         AROS_LHA(struct ViewPort *, vp, A0),
  25         AROS_LHA(const ULONG     *, table, A1),
  26
  27 /*  LOCATION */
  28         struct GfxBase *, GfxBase, 147, Graphics)
  29
  30 /*  FUNCTION
  31
  32     INPUTS
  33
  34     RESULT
  35
  36     NOTES
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43
  44     INTERNALS
  45
  46     HISTORY
  47         27-11-96    digulla automatically created from
  48                             graphics_lib.fd and clib/graphics_protos.h
  49
  50 *****************************************************************************/
  51 {
  52     AROS_LIBFUNC_INIT
  53     AROS_LIBBASE_EXT_DECL(struct GfxBase *,GfxBase)
  54
  55     ASSERT_VALID_PTR(vp);
  56     ASSERT_VALID_PTR_OR_NULL(table);
  57
  58     /* it is legal to pass a NULL table */
  59
  60     if (table)
  61     {
  62         ULONG count;
  63
  64         /* table is terminated by a count value of 0 */
  65
  66         while ((count = (*table) >> 16))
  67         {
  68             ULONG first, t;
  69
  70             first = (*table) & 0xFFFF;
  71
  72             table ++;
  73
  74             for (t = 0; t < count; t++)
  75             {
  76                 SetRGB32 (vp,
  77                           t + first,
  78                           table[0],
  79                           table[1],
  80                           table[2]);
  81
  82                 table += 3;
  83             }
  84
  85         } /* while (*table) */
  86     }
  87
  88     AROS_LIBFUNC_EXIT
  89
  90 } /* LoadRGB32 */