filters/GP_Rotate.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) 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 /*
  27
  28   GP_Context in place rotations.
  29
  30  */
  31
  32 #ifndef GP_ROTATE_H
  33 #define GP_ROTATE_H
  34
  35 #include "GP_Context.h"
  36
  37 /*
  38  * Mirror horizontally.
  39  */
  40 GP_RetCode GP_MirrorH(GP_Context *context);
  41
  42 /*
  43  * Mirror vertically
  44  */
  45 GP_RetCode GP_MirrorV(GP_Context *context);
  46
  47 /*
  48  * Rotate clockwise.
  49  */
  50 GP_RetCode GP_RotateCW(GP_Context *context);
  51
  52 /*
  53  * Rotate counter clockwise.
  54  */
  55 GP_RetCode GP_RotateCCW(GP_Context *context);
  56
  57
  58 #endif /* GP_ROTATE_H */