+++ /dev/null
-/*
- * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __GIS_TILE_H__
-#define __GIS_TILE_H__
-
-#include <glib.h>
-#include <glib-object.h>
-#include "gis-object.h"
-
-#define GIS_TYPE_TILE (gis_tile_get_type())
-#define GIS_TILE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GIS_TYPE_TILE, GisTile))
-#define GIS_IS_TILE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GIS_TYPE_TILE))
-#define GIS_TILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIS_TYPE_TILE, GisTileClass))
-#define GIS_IS_TILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIS_TYPE_TILE))
-#define GIS_TILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIS_TYPE_TILE, GisTileClass))
-
-typedef struct _GisTile GisTile;
-typedef struct _GisTileClass GisTileClass;
-
-struct _GisTile {
- GisObject parent_instance;
-
- /* Pointer to the tile data */
- gpointer data;
-
- /* Drawing order */
- gint zindex;
-
- /* North,South,East,West limits */
- GisBounds edge;
-
- /* Texture mapping coordinates */
- GisBounds coords;
-
- /* Pointers to parent/child nodes */
- GisTile *parent;
- GisTile *children[2][2];
-
- /* Last access time (for garbage collection) */
- time_t atime;
-};
-
-struct _GisTileClass {
- GisObjectClass parent_class;
-};
-
-/**
- * GisTileLoadFunc:
- * @tile: the tile to load
- * @user_data: data paseed to the function
- *
- * Used to load the image data associated with a tile. For GisOpenGL, this
- * function should store the OpenGL texture number in the tiles data field.
- */
-typedef void (*GisTileLoadFunc)(GisTile *tile, gpointer user_data);
-
-/**
- * GisTileFreeFunc:
- * @tile: the tile to free
- * @user_data: data paseed to the function
- *
- * Used to free the image data associated with a tile
- */
-typedef void (*GisTileFreeFunc)(GisTile *tile, gpointer user_data);
-
-/* Forech functions */
-/**
- * gis_tile_foreach:
- * @parent: the #GisTile to iterate over
- * @child: a pointer to a #GisTile to store the current subtile
- *
- * Iterate over each imediate subtile of @parent.
- */
-#define gis_tile_foreach(parent, child) \
- for (int _x = 0; _x < G_N_ELEMENTS(parent->children); _x++) \
- for (int _y = 0; child = parent->children[_x][_y], \
- _y < G_N_ELEMENTS(parent->children[_x]); _y++)
-
-/**
- * gis_tile_foreach_index:
- * @parent: the #GisTile to iterate over
- * @x: integer to store the x index of the current subtile
- * @y: integer to store the y index of the current subtile
- *
- * Iterate over each imediate subtile of @parent.
- */
-#define gis_tile_foreach_index(parent, x, y) \
- for (x = 0; x < G_N_ELEMENTS(parent->children); x++) \
- for (y = 0; y < G_N_ELEMENTS(parent->children[x]); y++)
-
-/* Path to string table, keep in sync with tile->children */
-extern gchar *gis_tile_path_table[2][2];
-
-GType gis_tile_get_type(void);
-
-/* Allocate a new Tile */
-GisTile *gis_tile_new(GisTile *parent,
- gdouble n, gdouble s, gdouble e, gdouble w);
-
-/* Return a string representation of the tile's path */
-gchar *gis_tile_get_path(GisTile *child);
-
-/* Update a root tile */
-/* Based on eye distance */
-void gis_tile_update(GisTile *root, GisPoint *eye,
- gdouble res, gint width, gint height,
- GisTileLoadFunc load_func, gpointer user_data);
-
-/* Find the leaf tile containing lat-lon */
-GisTile *gis_tile_find(GisTile *root, gdouble lat, gdouble lon);
-
-/* Delete nodes that haven't been accessed since atime */
-GisTile *gis_tile_gc(GisTile *root, time_t atime,
- GisTileFreeFunc free_func, gpointer user_data);
-
-/* Free a tile and all it's children */
-void gis_tile_free(GisTile *root,
- GisTileFreeFunc free_func, gpointer user_data);
-
-#endif