src/globals.h

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifndef __VIKING_GLOBALS_H
  23 #define __VIKING_GLOBALS_H
  24
  25 #include <glib.h>
  26
  27 #define PROJECT "Viking"
  28 #define VIKING_VERSION PACKAGE_VERSION
  29 #define VIKING_VERSION_NAME "This Name For Rent"
  30 #define VIKING_URL "http://viking.sf.net/"
  31
  32 #define ALTI_TO_MPP 1.4017295
  33 #define MPP_TO_ALTI 0.7134044
  34
  35 #define VIK_DEFAULT_ALTITUDE 0.0
  36 #define VIK_DEFAULT_DOP 0.0
  37
  38 #define VIK_GTK_WINDOW_FROM_WIDGET(x) GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(x)))
  39 #define VIK_GTK_WINDOW_FROM_LAYER(x) VIK_GTK_WINDOW_FROM_WIDGET(VIK_LAYER(x)->vt)
  40
  41 #define DEG2RAD 0.017453293
  42 #define RAD2DEG 57.2957795
  43
  44 /* mercator projection, latitude conversion (degrees) */
  45 #define MERCLAT(x) (RAD2DEG * log(tan((0.25 * M_PI) + (0.5 * DEG2RAD * (x)))))
  46 #define DEMERCLAT(x) (RAD2DEG * atan(sinh(DEG2RAD * (x))))
  47
  48 /* Some command line options */
  49 extern gboolean vik_use_small_wp_icons;
  50 extern gboolean vik_debug;
  51 extern gboolean vik_verbose;
  52 extern gboolean vik_version;
  53
  54 /* Glbal preferences */
  55 void a_vik_preferences_init ();
  56
  57 /* Coord display preferences */
  58 typedef enum {
  59   VIK_DEGREE_FORMAT_DDD,
  60   VIK_DEGREE_FORMAT_DMM,
  61   VIK_DEGREE_FORMAT_DMS,
  62 } vik_degree_format_t;
  63
  64 vik_degree_format_t a_vik_get_degree_format ( );
  65
  66 #endif