adg/adg-util.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009 Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library 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 of the License, or (at your option) any later version.
   8  *
   9  * This library 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 this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20
  21 #ifndef __ADG_UTIL_H__
  22 #define __ADG_UTIL_H__
  23
  24 #include <glib.h>
  25 #include <cairo.h>
  26 #include <math.h>
  27
  28 #define ADG_DIR_RIGHT           0.
  29 #define ADG_DIR_DOWN            M_PI_2
  30 #define ADG_DIR_LEFT            M_PI
  31 #define ADG_DIR_UP              (M_PI_2 * 3.)
  32
  33 #define ADG_ISSET(flags,mask)   (((flags) & (mask)) != 0 ? TRUE : FALSE)
  34 #define ADG_SET(flags,mask)     G_STMT_START{ (flags) |= (mask); }G_STMT_END
  35 #define ADG_UNSET(flags,mask)   G_STMT_START{ (flags) &= ~(mask); }G_STMT_END
  36
  37
  38 #define ADG_CHECKPOINT_WITH_MESSAGE(message) \
  39                                 g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
  40                                        "file `%s' at line %d: %s", \
  41                                        __FILE__, __LINE__, #message)
  42 #define ADG_CHECKPOINT()        ADG_CHECKPOINT_WITH_MESSAGE ("check point")
  43
  44 #define ADG_STUB()              ADG_CHECKPOINT_WITH_MESSAGE("stub")
  45
  46 #endif /* __ADG_UTIL_H__ */