rom/graphics/writepixelline8.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6     Lang: english
   7 */
   8 #include "graphics_intern.h"
   9
  10 /*****************************************************************************
  11
  12     NAME */
  13 #include <proto/graphics.h>
  14
  15         AROS_LH6(LONG, WritePixelLine8,
  16
  17 /*  SYNOPSIS */
  18         AROS_LHA(struct RastPort *      , rp            , A0),
  19         AROS_LHA(LONG                   , xstart        , D0),
  20         AROS_LHA(LONG                   , ystart        , D1),
  21         AROS_LHA(ULONG                  , width         , D2),
  22         AROS_LHA(UBYTE *                , array         , A2),
  23         AROS_LHA(struct RastPort *      , tempRP        , A1),
  24
  25 /*  LOCATION */
  26         struct GfxBase *, GfxBase, 129, Graphics)
  27
  28 /*  FUNCTION
  29         Draw a horizontal line from an array of pens.
  30
  31     INPUTS
  32         rp            - destination RastPort
  33         xstart,ystart - start coordinate of line
  34         width         - count of pixels to write (must be positive)
  35         array         - array of pen values. Allocate at least
  36                         ((width+15)>>4)<<4 bytes.
  37         tempRP        - temporary rastport
  38                         (copy of rp with Layer set to NULL,
  39                         temporary memory allocated for
  40                         temprp->BitMap with Rows set to 1,
  41                         temprp->BitMap BytesPerRow == ((width+15)>>4)<<1,
  42                         and temporary memory allocated for
  43                         temprp->BitMap->Planes[])
  44
  45     RESULT
  46         Number of plotted pixels.
  47
  48     NOTES
  49
  50     EXAMPLE
  51
  52     BUGS
  53
  54     SEE ALSO
  55
  56     INTERNALS
  57
  58     HISTORY
  59         27-11-96    digulla automatically created from
  60                             graphics_lib.fd and clib/graphics_protos.h
  61
  62 *****************************************************************************/
  63 {
  64     AROS_LIBFUNC_INIT
  65
  66     return WritePixelArray8(rp,
  67                             xstart,
  68                             ystart,
  69                             xstart + width - 1,
  70                             ystart,
  71                             array,
  72                             tempRP);
  73
  74     AROS_LIBFUNC_EXIT
  75
  76 } /* WritePixelLine8 */