client/overview_common.h

   1 /**********************************************************************
   2  Freeciv - Copyright (C) 1996-2005 - Freeciv Development Team
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 ***********************************************************************/
  13
  14 #ifndef FC__OVERVIEW_COMMON_H
  15 #define FC__OVERVIEW_COMMON_H
  16
  17 #ifdef __cplusplus
  18 extern "C" {
  19 #endif /* __cplusplus */
  20
  21 #include "fc_types.h"
  22
  23 #include "canvas_g.h"
  24
  25 #include "options.h"
  26
  27 /* The overview tile width and height are defined in terms of the base
  28  * size.  For iso-maps the width is twice the height since "natural"
  29  * coordinates are used.  For classical maps the width and height are
  30  * equal.  The base size may be adjusted to get the correct scale. */
  31 extern int OVERVIEW_TILE_SIZE;
  32 #define OVERVIEW_TILE_WIDTH ((MAP_IS_ISOMETRIC ? 2 : 1) * OVERVIEW_TILE_SIZE)
  33 #define OVERVIEW_TILE_HEIGHT OVERVIEW_TILE_SIZE
  34
  35 void map_to_overview_pos(int *overview_x, int *overview_y,
  36                          int map_x, int map_y);
  37 void overview_to_map_pos(int *map_x, int *map_y,
  38                          int overview_x, int overview_y);
  39
  40 void refresh_overview_canvas(void);
  41 void refresh_overview_from_canvas(void);
  42 void overview_update_tile(struct tile *ptile);
  43 void calculate_overview_dimensions(void);
  44 void overview_free(void);
  45
  46 void center_tile_overviewcanvas(void);
  47
  48 void flush_dirty_overview(void);
  49
  50 void overview_redraw_callback(struct option *option);
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif /* __cplusplus */
  55
  56 #endif /* FC__OVERVIEW_COMMON_H */