include/core/GP_Pixel_Access.h

   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  *                                                                           *
  21  *****************************************************************************/
  22
  23 #ifndef GP_PIXEL_ACCESS_H
  24 #define GP_PIXEL_ACCESS_H
  25
  26 #include "GP_Context.h"
  27 #include "GP_FnPerBpp.h"
  28 #include "GP_Pixel.h"
  29
  30 /*
  31  * Generated header
  32  */
  33 #include "GP_Pixel_Access.gen.h"
  34
  35 /*
  36  * GetPixel with context transformations and clipping.
  37  * Returns 0 for clipped pixels or pixels outside bitmap.
  38  */
  39 GP_Pixel GP_GetPixel(GP_Context *context, int x, int y);
  40
  41 /*
  42  * Version of GetPixel without transformations nor border checking.
  43  */
  44 static inline GP_Pixel GP_GetPixel_Raw(GP_Context *context, int x, int y)
  45 {
  46         GP_FN_RET_PER_BPP(GP_GetPixel_Raw, context->bpp, context->bit_endian,
  47                 context, x, y);
  48 }
  49
  50 /*
  51  * PutPixel with context transformations and clipping.
  52  * NOP for clipped pixels or pixels outside bitmap.
  53  */
  54 void GP_PutPixel(GP_Context *context, int x, int y, GP_Pixel p);
  55
  56 /*
  57  * Version of PutPixel without transformations nor border checking.
  58  */
  59 static inline void GP_PutPixel_Raw(GP_Context *context, int x, int y, GP_Pixel p)
  60 {
  61         GP_FN_PER_BPP(GP_PutPixel_Raw, context->bpp, context->bit_endian,
  62                 context, x, y, p);
  63 }
  64
  65 #endif /* GP_PIXEL_ACCESS_H */