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Diffstat (limited to 'navit/map.h')
| -rw-r--r-- | navit/map.h | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/navit/map.h b/navit/map.h deleted file mode 100644 index 305c26b96..000000000 --- a/navit/map.h +++ /dev/null @@ -1,283 +0,0 @@ -/** - * Navit, a modular navigation system. - * Copyright (C) 2005-2008 Navit Team - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -/** @file - * - * @brief Contains exported functions / structures for map.c - * - * This file contains code that works together with map.c and that is exported - * to other modules. - */ - -#ifndef NAVIT_MAP_H -#define NAVIT_MAP_H - -#ifdef __cplusplus -extern "C" { -#endif - -struct map_priv; -struct attr; -#include "coord.h" -#include "point.h" -#include "layer.h" -#include "debug.h" - -#define WORLD_BOUNDINGBOX_MIN_X -20000000 -#define WORLD_BOUNDINGBOX_MAX_X 20000000 -#define WORLD_BOUNDINGBOX_MIN_Y -20000000 -#define WORLD_BOUNDINGBOX_MAX_Y 20000000 - -/** - * @brief Used to select data from a map - * - * This struct is used to select data from a map. This one the one hand builds a - * rectangle on the map and on the other hand selects an order for items of each - * layer. Note that passing NULL instead of a pointer to such a struct often means - * "get me everything". - * - * It's possible to link multiple selections in a linked list, see below. - */ -struct map_selection { - struct map_selection *next; /**< Linked-List pointer */ - union { - struct coord_rect c_rect; /**< For building the rectangle based on coordinates */ - struct point_rect p_rect; /**< For building the rectangle based on points */ - } u; - int order; /**< Holds the order */ - struct item_range range; /**< Range of items which should be delivered */ -}; - -/** - * @brief Holds all functions a map plugin has to implement to be useable - * - * This structure holds pointers to a map plugin's functions navit's core will call - * to communicate with the plugin. For further information look into map.c - there exist - * functions with the same names acting more or less as "wrappers" around the functions here. - * Especially the arguments (and their meaning) of each function will be described there. - */ -struct map_methods { - enum projection pro; /**< The projection used for that type of map */ - char *charset; /**< The charset this map uses - e.g. "iso8859-1" or "utf-8". Please specify this in a form so that g_convert() can handle it. */ - void (*map_destroy)(struct map_priv *priv); /**< Function used to destroy ("close") a map. */ - struct map_rect_priv * (*map_rect_new)(struct map_priv *map, struct map_selection *sel); /**< Function to create a new map rect on the map. */ - void (*map_rect_destroy)(struct map_rect_priv *mr); /**< Function to destroy a map rect */ - struct item * (*map_rect_get_item)(struct map_rect_priv *mr); /**< Function to return the next item from a map rect */ - struct item * (*map_rect_get_item_byid)(struct map_rect_priv *mr, int id_hi, int id_lo); /**< Function to get an item with a specific ID from a map rect */ - struct map_search_priv *(*map_search_new)(struct map_priv *map, struct item *item, struct attr *search, int partial); /**< Function to start a new search on the map */ - void (*map_search_destroy)(struct map_search_priv *ms); /**< Function to destroy a map search struct */ - struct item * (*map_search_get_item)(struct map_search_priv *ms); /**< Function to get the next item of a search on the map */ - struct item * (*map_rect_create_item)(struct map_rect_priv *mr, enum item_type type); /**< Function to create a new item in the map */ - int (*map_get_attr)(struct map_priv *priv, enum attr_type type, struct attr *attr); - int (*map_set_attr)(struct map_priv *priv, struct attr *attr); - -}; - -/** - * @brief Checks if a coordinate is within a map selection - * - * Checks if a coordinate is within a map selection. Note that since a selection of NULL - * means "select everything", with sel = NULL this will always return true. If there are - * more than one selection in a linked-list, it is sufficient if only one of the selections - * contains the coordinate. - * - * @param sel The selection to check if the point is within - * @param c Coordinate to check if it is within the selection - * @return True if the coordinate is within one of the selections, False otherwise - */ -static inline int -map_selection_contains_point(struct map_selection *sel, struct coord *c) -{ - struct map_selection *curr=sel; - while (curr) { - struct coord_rect *r=&curr->u.c_rect; - if (c->x >= r->lu.x && c->x <= r->rl.x && - c->y <= r->lu.y && c->y >= r->rl.y) - return 1; - curr=curr->next; - } - return sel ? 0:1; -} - -/** - * @brief Checks if a polyline is within a map selection - * - * @sa Please refer to map_selection_contains_point() - * - * @param sel The selection to check if the polyline is within - * @param c Coordinates of the polyline to check if it is within the selection - * @param count Number of coordinates in c - * @return True if the polyline is within one of the selections, False otherwise - */ -static inline int -map_selection_contains_polyline(struct map_selection *sel, struct coord *c, int count) -{ - int i,x_mi,x_ma,y_mi,y_ma; - struct map_selection *curr; - - if (! sel) - return 1; - for (i = 0 ; i < count-1 ; i++) { - x_mi=c[i].x; - if (c[i+1].x < x_mi) - x_mi=c[i+1].x; - x_ma=c[i].x; - if (c[i+1].x > x_ma) - x_ma=c[i+1].x; - y_mi=c[i].y; - if (c[i+1].y < y_mi) - y_mi=c[i+1].y; - y_ma=c[i].y; - if (c[i+1].y > y_ma) - y_ma=c[i+1].y; - curr=sel; - while (curr) { - struct coord_rect *sr=&curr->u.c_rect; - if (x_mi <= sr->rl.x && x_ma >= sr->lu.x && - y_ma >= sr->rl.y && y_mi <= sr->lu.y) - return 1; - curr=curr->next; - } - } - return 0; -} - -/** - * @brief Checks if a rectangle is within a map selection - * - * @sa Please refer to map_selection_contains_point() - * - * @param sel The selection to check if the rectangle is within - * @param r Rectangle to be checked for - * @return True if the rectangle is within one of the selections, False otherwise - */ -static inline int -map_selection_contains_rect(struct map_selection *sel, struct coord_rect *r) -{ - struct map_selection *curr; - - dbg_assert(r->lu.x <= r->rl.x); - dbg_assert(r->lu.y >= r->rl.y); - - if (! sel) - return 1; - curr=sel; - while (curr) { - struct coord_rect *sr=&curr->u.c_rect; - dbg_assert(sr->lu.x <= sr->rl.x); - dbg_assert(sr->lu.y >= sr->rl.y); - if (r->lu.x <= sr->rl.x && r->rl.x >= sr->lu.x && - r->lu.y >= sr->rl.y && r->rl.y <= sr->lu.y) - return 1; - curr=curr->next; - } - return 0; -} - - -/** - * @brief Checks if a polygon is within a map selection - * - * @sa Please refer to map_selection_contains_point() - * - * @param sel The selection to check if the polygon is within - * @param c Pointer to coordinates of the polygon - * @param count Number of coordinates in c - * @return True if the polygon is within one of the selections, False otherwise - */ -static inline int -map_selection_contains_polygon(struct map_selection *sel, struct coord *c, int count) -{ - struct coord_rect r; - int i; - - if (! sel) - return 1; - if (! count) - return 0; - r.lu=c[0]; - r.rl=c[0]; - for (i = 1 ; i < count ; i++) { - if (c[i].x < r.lu.x) - r.lu.x=c[i].x; - if (c[i].x > r.rl.x) - r.rl.x=c[i].x; - if (c[i].y < r.rl.y) - r.rl.y=c[i].y; - if (c[i].y > r.lu.y) - r.lu.y=c[i].y; - } - return map_selection_contains_rect(sel, &r); -} - -/* prototypes */ -enum attr_type; -enum projection; -struct attr; -struct attr_iter; -struct callback; -struct item; -struct map; -struct map_priv; -struct map_rect; -struct map_search; -struct map_selection; -struct pcoord; -struct map *map_new(struct attr *parent, struct attr **attrs); -struct map *map_ref(struct map* m); -void map_unref(struct map* m); -int map_get_attr(struct map *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter); -int map_set_attr(struct map *this_, struct attr *attr); -void map_add_callback(struct map *this_, struct callback *cb); -void map_remove_callback(struct map *this_, struct callback *cb); -int map_requires_conversion(struct map *this_); -char *map_convert_string_tmp(struct map *this_, char *str); -char *map_convert_string(struct map *this_, char *str); -char *map_convert_dup(char *str); -void map_convert_free(char *str); -enum projection map_projection(struct map *this_); -void map_set_projection(struct map *this_, enum projection pro); -void map_destroy(struct map *m); -struct map_rect *map_rect_new(struct map *m, struct map_selection *sel); -struct item *map_rect_get_item(struct map_rect *mr); -struct item *map_rect_get_item_byid(struct map_rect *mr, int id_hi, int id_lo); -struct item *map_rect_create_item(struct map_rect *mr, enum item_type type_); -void map_rect_destroy(struct map_rect *mr); -struct map_search *map_search_new(struct map *m, struct item *item, struct attr *search_attr, int partial); -struct item *map_search_get_item(struct map_search *this_); -void map_search_destroy(struct map_search *this_); -struct map_selection *map_selection_rect_new(struct pcoord *center, int distance, int order); -struct map_selection *map_selection_dup_pro(struct map_selection *sel, enum projection from, enum projection to); -struct map_selection *map_selection_dup(struct map_selection *sel); -void map_selection_destroy(struct map_selection *sel); -int map_selection_contains_item_rect(struct map_selection *sel, struct item *item); -int map_selection_contains_item_range(struct map_selection *sel, int follow, struct item_range *range, int count); -int map_selection_contains_item(struct map_selection *sel, int follow, enum item_type type); -int map_priv_is(struct map *map, struct map_priv *priv); -void map_dump_filedesc(struct map *map, FILE *out); -void map_dump_file(struct map *map, const char *file); -void map_dump(struct map *map); -void map_destroy_do(struct map *m); -struct maps * maps_new(struct attr *parent, struct attr **attrs); -/* end of prototypes */ - -#ifdef __cplusplus -} -#endif -#endif |