libs/core/GP_GetPutPixel.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) 2011      Tomas Gavenciak <gavento@ucw.cz>                  *
  20  * Copyright (C) 2012      Cyril Hrubis <metan@ucw.cz>                       *
  21  *                                                                           *
  22  *****************************************************************************/
  23
  24 #include "GP_GetPutPixel.h"
  25 #include "GP_Transform.h"
  26
  27 GP_Pixel GP_GetPixel(const GP_Pixmap *pixmap, GP_Coord x, GP_Coord y)
  28 {
  29         GP_TRANSFORM_POINT(pixmap, x, y);
  30         if (GP_PIXEL_IS_CLIPPED(pixmap, x, y))
  31                 return 0;
  32         return GP_GetPixel_Raw(pixmap, x, y);
  33 }
  34
  35 void GP_PutPixel(GP_Pixmap *pixmap, GP_Coord x, GP_Coord y, GP_Pixel p)
  36 {
  37         GP_TRANSFORM_POINT(pixmap, x, y);
  38         if (!GP_PIXEL_IS_CLIPPED(pixmap, x, y))
  39                 GP_PutPixel_Raw(pixmap, x, y, p);
  40 }
  41
  42 uint8_t GP_PixelAddrOffset(GP_Coord x, GP_PixelType pixel_type)
  43 {
  44         GP_FN_RET_PER_BPP_PIXELTYPE(GP_PIXEL_ADDR_OFFSET, pixel_type, x);
  45
  46         return 0;
  47 }