rom/graphics/writechunkypixels.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 "gfxfuncsupport.h"
  11
  12 /*****************************************************************************
  13
  14     NAME */
  15 #include <proto/graphics.h>
  16
  17         AROS_LH7(void, WriteChunkyPixels,
  18
  19 /*  SYNOPSIS */
  20         AROS_LHA(struct RastPort *, rp, A0),
  21         AROS_LHA(LONG             , xstart, D0),
  22         AROS_LHA(LONG             , ystart, D1),
  23         AROS_LHA(LONG             , xstop, D2),
  24         AROS_LHA(LONG             , ystop, D3),
  25         AROS_LHA(UBYTE           *, array, A2),
  26         AROS_LHA(LONG             , bytesperrow, D4),
  27
  28 /*  LOCATION */
  29         struct GfxBase *, GfxBase, 176, Graphics)
  30
  31 /*  FUNCTION
  32
  33     INPUTS
  34
  35     RESULT
  36
  37     NOTES
  38
  39     EXAMPLE
  40
  41     BUGS
  42
  43     SEE ALSO
  44
  45     INTERNALS
  46
  47     HISTORY
  48         27-11-96    digulla automatically created from
  49                             graphics_lib.fd and clib/graphics_protos.h
  50
  51 *****************************************************************************/
  52 {
  53     AROS_LIBFUNC_INIT
  54     AROS_LIBBASE_EXT_DECL(struct GfxBase *,GfxBase)
  55
  56     HIDDT_PixelLUT pixlut;
  57
  58     pixlut.entries = AROS_PALETTE_SIZE;
  59     pixlut.pixels  = IS_HIDD_BM(rp->BitMap) ? HIDD_BM_PIXTAB(rp->BitMap) : NULL;
  60
  61     FIX_GFXCOORD(xstart);
  62     FIX_GFXCOORD(ystart);
  63     FIX_GFXCOORD(xstop);
  64     FIX_GFXCOORD(ystop);
  65
  66     if ((xstart > xstop) || (ystart > ystop)) return;
  67
  68     if (!pixlut.pixels)
  69     {
  70         if (GetBitMapAttr(rp->BitMap, BMA_DEPTH) > 8)
  71         {
  72             D(bug("WriteChunkyPixels: can't work on hicolor/truecolor screen without LUT"));
  73             return;
  74         }
  75     }
  76
  77     write_pixels_8(rp, array
  78         , bytesperrow
  79         , xstart, ystart
  80         , xstop, ystop
  81         , &pixlut
  82         , GfxBase);
  83
  84     AROS_LIBFUNC_EXIT
  85
  86 } /* WriteChunkyPixels */