libs/gfx/GP_Line.c

   1 /*****************************************************************************
   2  * This file is part of gfxprim library.                                     *
   3  *                                                                           *
   4  * Gfxprim is free software; you can redistribute it and/or                  *
   5  * modify it under the terms of the GNU Lesser General Public                *
   6  * License as published by the Free Software Foundation; either              *
   7  * version 2.1 of the License, or (at your option) any later version.        *
   8  *                                                                           *
   9  * Gfxprim is distributed in the hope that it will be useful,                *
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  * Lesser General Public License for more details.                           *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Lesser General Public          *
  15  * License along with gfxprim; if not, write to the Free Software            *
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                        *
  17  * Boston, MA  02110-1301  USA                                               *
  18  *                                                                           *
  19  * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos                            *
  20  *                         <jiri.bluebear.dluhos@gmail.com>                  *
  21  *                                                                           *
  22  * Copyright (C) 2009-2010 Cyril Hrubis <metan@ucw.cz>                       *
  23  *                                                                           *
  24  *****************************************************************************/
  25
  26 #include "GP_Gfx.h"
  27 #include "algo/Line.algo.h"
  28 #include "core/GP_FnPerBpp.h"
  29
  30 /* Generate drawing functions for various bit depths. */
  31 DEF_LINE_FN(GP_Line1bpp,  GP_Context *, GP_Pixel, GP_PutPixel1bpp)
  32 DEF_LINE_FN(GP_Line2bpp,  GP_Context *, GP_Pixel, GP_PutPixel2bpp)
  33 DEF_LINE_FN(GP_Line4bpp,  GP_Context *, GP_Pixel, GP_PutPixel4bpp)
  34 DEF_LINE_FN(GP_Line8bpp,  GP_Context *, GP_Pixel, GP_PutPixel8bpp)
  35 DEF_LINE_FN(GP_Line16bpp, GP_Context *, GP_Pixel, GP_PutPixel16bpp)
  36 DEF_LINE_FN(GP_Line24bpp, GP_Context *, GP_Pixel, GP_PutPixel24bpp)
  37 DEF_LINE_FN(GP_Line32bpp, GP_Context *, GP_Pixel, GP_PutPixel32bpp)
  38
  39 void GP_Line(GP_Context *context, int x0, int y0, int x1, int y1,
  40              GP_Pixel pixel)
  41 {
  42         GP_CHECK_CONTEXT(context);
  43
  44         GP_FN_PER_BPP(GP_Line, context->bpp, context, x0, y0, x1, y1, pixel);
  45 }
  46
  47 void GP_TLine(GP_Context *context, int x0, int y0, int x1, int y1,
  48               GP_Pixel pixel)
  49 {
  50         GP_CHECK_CONTEXT(context);
  51
  52         GP_TRANSFORM_POINT(context, x0, y0);
  53         GP_TRANSFORM_POINT(context, x1, y1);
  54
  55         GP_Line(context, x0, y0, x1, y1, pixel);
  56 }