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1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ | |
2 | /* | |
3 | * viking | |
4 | * Copyright (C) 2010, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
5 | * | |
6 | * viking is free software: you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation, either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * viking is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
14 | * See the GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | /** | |
21 | * SECTION:viktmsmapsource | |
22 | * @short_description: the class for TMS oriented map sources | |
23 | * | |
24 | * The #VikTmsMapSource class handles TMS oriented map sources. | |
25 | * | |
26 | * The tiles are in 'equirectangular'. | |
27 | * http://en.wikipedia.org/wiki/Equirectangular_projection | |
28 | * | |
29 | * Such service is also a type of TMS (Tile Map Service) as defined in | |
30 | * OSGeo's wiki. | |
31 | * http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification | |
32 | * Following this specification, the protocol handled by this class | |
33 | * follows the global-geodetic profile. | |
34 | */ | |
35 | ||
36 | #ifdef HAVE_CONFIG_H | |
37 | #include "config.h" | |
38 | #endif | |
39 | ||
40 | #ifdef HAVE_MATH_H | |
41 | #include <math.h> | |
42 | #endif | |
43 | ||
44 | #include "globals.h" | |
45 | #include "viktmsmapsource.h" | |
46 | #include "maputils.h" | |
47 | ||
48 | static gboolean _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ); | |
49 | static void _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest ); | |
50 | static gboolean _supports_download_only_new ( VikMapSource *self ); | |
51 | static gboolean _is_direct_file_access ( VikMapSource *self ); | |
52 | static gboolean _is_mbtiles ( VikMapSource *self ); | |
53 | static gboolean _is_osm_meta_tiles (VikMapSource *self ); | |
54 | static guint8 _get_zoom_min(VikMapSource *self ); | |
55 | static guint8 _get_zoom_max(VikMapSource *self ); | |
56 | static gdouble _get_lat_min(VikMapSource *self ); | |
57 | static gdouble _get_lat_max(VikMapSource *self ); | |
58 | static gdouble _get_lon_min(VikMapSource *self ); | |
59 | static gdouble _get_lon_max(VikMapSource *self ); | |
60 | ||
61 | static gchar *_get_uri( VikMapSourceDefault *self, MapCoord *src ); | |
62 | static gchar *_get_hostname( VikMapSourceDefault *self ); | |
63 | static DownloadFileOptions *_get_download_options( VikMapSourceDefault *self ); | |
64 | ||
65 | typedef struct _VikTmsMapSourcePrivate VikTmsMapSourcePrivate; | |
66 | struct _VikTmsMapSourcePrivate | |
67 | { | |
68 | gchar *hostname; | |
69 | gchar *url; | |
70 | DownloadFileOptions options; | |
71 | guint zoom_min; // TMS Zoom level: 0 = Whole World // http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames | |
72 | guint zoom_max; // TMS Zoom level: Often 18 for zoomed in. | |
73 | gdouble lat_min; // Degrees | |
74 | gdouble lat_max; // Degrees | |
75 | gdouble lon_min; // Degrees | |
76 | gdouble lon_max; // Degrees | |
77 | }; | |
78 | ||
79 | #define VIK_TMS_MAP_SOURCE_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), VIK_TYPE_TMS_MAP_SOURCE, VikTmsMapSourcePrivate)) | |
80 | ||
81 | /* properties */ | |
82 | enum | |
83 | { | |
84 | PROP_0, | |
85 | ||
86 | PROP_HOSTNAME, | |
87 | PROP_URL, | |
88 | PROP_REFERER, | |
89 | PROP_FOLLOW_LOCATION, | |
90 | PROP_CHECK_FILE_SERVER_TIME, | |
91 | PROP_ZOOM_MIN, | |
92 | PROP_ZOOM_MAX, | |
93 | PROP_LAT_MIN, | |
94 | PROP_LAT_MAX, | |
95 | PROP_LON_MIN, | |
96 | PROP_LON_MAX, | |
97 | }; | |
98 | ||
99 | G_DEFINE_TYPE (VikTmsMapSource, vik_tms_map_source, VIK_TYPE_MAP_SOURCE_DEFAULT); | |
100 | ||
101 | static void | |
102 | vik_tms_map_source_init (VikTmsMapSource *self) | |
103 | { | |
104 | /* initialize the object here */ | |
105 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE (self); | |
106 | ||
107 | priv->hostname = NULL; | |
108 | priv->url = NULL; | |
109 | priv->options.referer = NULL; | |
110 | priv->options.follow_location = 0; | |
111 | priv->options.check_file = a_check_map_file; | |
112 | priv->options.check_file_server_time = FALSE; | |
113 | priv->zoom_min = 0; | |
114 | priv->zoom_max = 18; | |
115 | priv->lat_min = -90.0; | |
116 | priv->lat_max = 90.0; | |
117 | priv->lon_min = -180.0; | |
118 | priv->lon_max = 180.0; | |
119 | ||
120 | g_object_set (G_OBJECT (self), | |
121 | "tilesize-x", 256, | |
122 | "tilesize-y", 256, | |
123 | "drawmode", VIK_VIEWPORT_DRAWMODE_LATLON, | |
124 | NULL); | |
125 | } | |
126 | ||
127 | static void | |
128 | vik_tms_map_source_finalize (GObject *object) | |
129 | { | |
130 | VikTmsMapSource *self = VIK_TMS_MAP_SOURCE (object); | |
131 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE (self); | |
132 | ||
133 | g_free (priv->hostname); | |
134 | priv->hostname = NULL; | |
135 | g_free (priv->url); | |
136 | priv->url = NULL; | |
137 | g_free (priv->options.referer); | |
138 | priv->options.referer = NULL; | |
139 | ||
140 | G_OBJECT_CLASS (vik_tms_map_source_parent_class)->finalize (object); | |
141 | } | |
142 | ||
143 | static void | |
144 | vik_tms_map_source_set_property (GObject *object, | |
145 | guint property_id, | |
146 | const GValue *value, | |
147 | GParamSpec *pspec) | |
148 | { | |
149 | VikTmsMapSource *self = VIK_TMS_MAP_SOURCE (object); | |
150 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE (self); | |
151 | ||
152 | switch (property_id) | |
153 | { | |
154 | case PROP_HOSTNAME: | |
155 | g_free (priv->hostname); | |
156 | priv->hostname = g_value_dup_string (value); | |
157 | break; | |
158 | ||
159 | case PROP_URL: | |
160 | g_free (priv->url); | |
161 | priv->url = g_value_dup_string (value); | |
162 | break; | |
163 | ||
164 | case PROP_REFERER: | |
165 | g_free (priv->options.referer); | |
166 | priv->options.referer = g_value_dup_string (value); | |
167 | break; | |
168 | ||
169 | case PROP_FOLLOW_LOCATION: | |
170 | priv->options.follow_location = g_value_get_long (value); | |
171 | break; | |
172 | ||
173 | case PROP_CHECK_FILE_SERVER_TIME: | |
174 | priv->options.check_file_server_time = g_value_get_boolean (value); | |
175 | break; | |
176 | ||
177 | case PROP_ZOOM_MIN: | |
178 | priv->zoom_min = g_value_get_uint (value); | |
179 | break; | |
180 | ||
181 | case PROP_ZOOM_MAX: | |
182 | priv->zoom_max = g_value_get_uint (value); | |
183 | break; | |
184 | ||
185 | case PROP_LAT_MIN: | |
186 | priv->lat_min = g_value_get_double (value); | |
187 | break; | |
188 | ||
189 | case PROP_LAT_MAX: | |
190 | priv->lat_max = g_value_get_double (value); | |
191 | break; | |
192 | ||
193 | case PROP_LON_MIN: | |
194 | priv->lon_min = g_value_get_double (value); | |
195 | break; | |
196 | ||
197 | case PROP_LON_MAX: | |
198 | priv->lon_max = g_value_get_double (value); | |
199 | break; | |
200 | ||
201 | default: | |
202 | /* We don't have any other property... */ | |
203 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
204 | break; | |
205 | } | |
206 | } | |
207 | ||
208 | static void | |
209 | vik_tms_map_source_get_property (GObject *object, | |
210 | guint property_id, | |
211 | GValue *value, | |
212 | GParamSpec *pspec) | |
213 | { | |
214 | VikTmsMapSource *self = VIK_TMS_MAP_SOURCE (object); | |
215 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE (self); | |
216 | ||
217 | switch (property_id) | |
218 | { | |
219 | case PROP_HOSTNAME: | |
220 | g_value_set_string (value, priv->hostname); | |
221 | break; | |
222 | ||
223 | case PROP_URL: | |
224 | g_value_set_string (value, priv->url); | |
225 | break; | |
226 | ||
227 | case PROP_REFERER: | |
228 | g_value_set_string (value, priv->options.referer); | |
229 | break; | |
230 | ||
231 | case PROP_FOLLOW_LOCATION: | |
232 | g_value_set_long (value, priv->options.follow_location); | |
233 | break; | |
234 | ||
235 | case PROP_CHECK_FILE_SERVER_TIME: | |
236 | g_value_set_boolean (value, priv->options.check_file_server_time); | |
237 | break; | |
238 | ||
239 | case PROP_ZOOM_MIN: | |
240 | g_value_set_uint (value, priv->zoom_min); | |
241 | break; | |
242 | ||
243 | case PROP_ZOOM_MAX: | |
244 | g_value_set_uint (value, priv->zoom_max); | |
245 | break; | |
246 | ||
247 | case PROP_LON_MIN: | |
248 | g_value_set_double (value, priv->lon_min); | |
249 | break; | |
250 | ||
251 | case PROP_LON_MAX: | |
252 | g_value_set_double (value, priv->lon_max); | |
253 | break; | |
254 | ||
255 | case PROP_LAT_MIN: | |
256 | g_value_set_double (value, priv->lat_min); | |
257 | break; | |
258 | ||
259 | case PROP_LAT_MAX: | |
260 | g_value_set_double (value, priv->lat_max); | |
261 | break; | |
262 | ||
263 | default: | |
264 | /* We don't have any other property... */ | |
265 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
266 | break; | |
267 | } | |
268 | } | |
269 | ||
270 | static void | |
271 | vik_tms_map_source_class_init (VikTmsMapSourceClass *klass) | |
272 | { | |
273 | GObjectClass* object_class = G_OBJECT_CLASS (klass); | |
274 | VikMapSourceClass* grandparent_class = VIK_MAP_SOURCE_CLASS (klass); | |
275 | VikMapSourceDefaultClass* parent_class = VIK_MAP_SOURCE_DEFAULT_CLASS (klass); | |
276 | GParamSpec *pspec = NULL; | |
277 | ||
278 | object_class->set_property = vik_tms_map_source_set_property; | |
279 | object_class->get_property = vik_tms_map_source_get_property; | |
280 | ||
281 | /* Overiding methods */ | |
282 | grandparent_class->coord_to_mapcoord = _coord_to_mapcoord; | |
283 | grandparent_class->mapcoord_to_center_coord = _mapcoord_to_center_coord; | |
284 | grandparent_class->supports_download_only_new = _supports_download_only_new; | |
285 | grandparent_class->is_direct_file_access = _is_direct_file_access; | |
286 | grandparent_class->is_mbtiles = _is_mbtiles; | |
287 | grandparent_class->is_osm_meta_tiles = _is_osm_meta_tiles; | |
288 | grandparent_class->get_zoom_min = _get_zoom_min; | |
289 | grandparent_class->get_zoom_max = _get_zoom_max; | |
290 | grandparent_class->get_lat_min = _get_lat_min; | |
291 | grandparent_class->get_lat_max = _get_lat_max; | |
292 | grandparent_class->get_lon_min = _get_lon_min; | |
293 | grandparent_class->get_lon_max = _get_lon_max; | |
294 | ||
295 | parent_class->get_uri = _get_uri; | |
296 | parent_class->get_hostname = _get_hostname; | |
297 | parent_class->get_download_options = _get_download_options; | |
298 | ||
299 | pspec = g_param_spec_string ("hostname", | |
300 | "Hostname", | |
301 | "The hostname of the map server", | |
302 | "<no-set>" /* default value */, | |
303 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
304 | g_object_class_install_property (object_class, PROP_HOSTNAME, pspec); | |
305 | ||
306 | pspec = g_param_spec_string ("url", | |
307 | "URL", | |
308 | "The template of the tiles' URL", | |
309 | "<no-set>" /* default value */, | |
310 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
311 | g_object_class_install_property (object_class, PROP_URL, pspec); | |
312 | ||
313 | pspec = g_param_spec_string ("referer", | |
314 | "Referer", | |
315 | "The REFERER string to use in HTTP request", | |
316 | NULL /* default value */, | |
317 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
318 | g_object_class_install_property (object_class, PROP_REFERER, pspec); | |
319 | ||
320 | pspec = g_param_spec_long ("follow-location", | |
321 | "Follow location", | |
322 | "Specifies the number of retries to follow a redirect while downloading a page", | |
323 | 0 /* minimum value */, | |
324 | G_MAXLONG /* maximum value */, | |
325 | 0 /* default value */, | |
326 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
327 | g_object_class_install_property (object_class, PROP_FOLLOW_LOCATION, pspec); | |
328 | ||
329 | pspec = g_param_spec_boolean ("check-file-server-time", | |
330 | "Check file server time", | |
331 | "Age of current cache before redownloading tile", | |
332 | FALSE /* default value */, | |
333 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
334 | g_object_class_install_property (object_class, PROP_CHECK_FILE_SERVER_TIME, pspec); | |
335 | ||
336 | pspec = g_param_spec_uint ("zoom-min", | |
337 | "Minimum zoom", | |
338 | "Minimum Zoom level supported by the map provider", | |
339 | 0, // minimum value, | |
340 | 22, // maximum value | |
341 | 0, // default value | |
342 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
343 | g_object_class_install_property (object_class, PROP_ZOOM_MIN, pspec); | |
344 | ||
345 | pspec = g_param_spec_uint ("zoom-max", | |
346 | "Maximum zoom", | |
347 | "Maximum Zoom level supported by the map provider", | |
348 | 0, // minimum value, | |
349 | 22, // maximum value | |
350 | 18, // default value | |
351 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
352 | g_object_class_install_property (object_class, PROP_ZOOM_MAX, pspec); | |
353 | ||
354 | pspec = g_param_spec_double ("lat-min", | |
355 | "Minimum latitude", | |
356 | "Minimum latitude in degrees supported by the map provider", | |
357 | -90.0, // minimum value | |
358 | 90.0, // maximum value | |
359 | -90.0, // default value | |
360 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
361 | g_object_class_install_property (object_class, PROP_LAT_MIN, pspec); | |
362 | ||
363 | pspec = g_param_spec_double ("lat-max", | |
364 | "Maximum latitude", | |
365 | "Maximum latitude in degrees supported by the map provider", | |
366 | -90.0, // minimum value | |
367 | 90.0, // maximum value | |
368 | 90.0, // default value | |
369 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
370 | g_object_class_install_property (object_class, PROP_LAT_MAX, pspec); | |
371 | ||
372 | pspec = g_param_spec_double ("lon-min", | |
373 | "Minimum longitude", | |
374 | "Minimum longitude in degrees supported by the map provider", | |
375 | -180.0, // minimum value | |
376 | 180.0, // maximum value | |
377 | -180.0, // default value | |
378 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
379 | g_object_class_install_property (object_class, PROP_LON_MIN, pspec); | |
380 | ||
381 | pspec = g_param_spec_double ("lon-max", | |
382 | "Maximum longitude", | |
383 | "Maximum longitude in degrees supported by the map provider", | |
384 | -180.0, // minimum value | |
385 | 180.0, // maximum value | |
386 | 180.0, // default value | |
387 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
388 | g_object_class_install_property (object_class, PROP_LON_MAX, pspec); | |
389 | ||
390 | g_type_class_add_private (klass, sizeof (VikTmsMapSourcePrivate)); | |
391 | ||
392 | object_class->finalize = vik_tms_map_source_finalize; | |
393 | } | |
394 | ||
395 | static gboolean | |
396 | _is_direct_file_access ( VikMapSource *self ) | |
397 | { | |
398 | return FALSE; | |
399 | } | |
400 | ||
401 | static gboolean | |
402 | _is_mbtiles ( VikMapSource *self ) | |
403 | { | |
404 | return FALSE; | |
405 | } | |
406 | ||
407 | static gboolean | |
408 | _is_osm_meta_tiles ( VikMapSource *self ) | |
409 | { | |
410 | return FALSE; | |
411 | } | |
412 | ||
413 | static gboolean | |
414 | _supports_download_only_new ( VikMapSource *self ) | |
415 | { | |
416 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
417 | ||
418 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
419 | ||
420 | return priv->options.check_file_server_time; | |
421 | } | |
422 | ||
423 | static gboolean | |
424 | _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ) | |
425 | { | |
426 | g_assert ( src->mode == VIK_COORD_LATLON ); | |
427 | ||
428 | if ( xzoom != yzoom ) | |
429 | return FALSE; | |
430 | ||
431 | dest->scale = map_utils_mpp_to_scale ( xzoom ); | |
432 | if ( dest->scale == 255 ) | |
433 | return FALSE; | |
434 | ||
435 | /* Note : VIK_GZ(17) / xzoom / 2 = number of tile on Y axis */ | |
436 | g_debug("%s: xzoom=%f yzoom=%f -> %f", __FUNCTION__, | |
437 | xzoom, yzoom, VIK_GZ(17) / xzoom / 2); | |
438 | dest->x = floor((src->east_west + 180) / 180 * VIK_GZ(17) / xzoom / 2); | |
439 | /* We should restore logic of viking: | |
440 | * tile index on Y axis follow a screen logic (top -> down) | |
441 | */ | |
442 | dest->y = floor((180 - (src->north_south + 90)) / 180 * VIK_GZ(17) / xzoom / 2); | |
443 | dest->z = 0; | |
444 | g_debug("%s: %f,%f -> %d,%d", __FUNCTION__, | |
445 | src->east_west, src->north_south, dest->x, dest->y); | |
446 | return TRUE; | |
447 | } | |
448 | ||
449 | static void | |
450 | _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest ) | |
451 | { | |
452 | gdouble socalled_mpp; | |
453 | if (src->scale >= 0) | |
454 | socalled_mpp = VIK_GZ(src->scale); | |
455 | else | |
456 | socalled_mpp = 1.0/VIK_GZ(-src->scale); | |
457 | dest->mode = VIK_COORD_LATLON; | |
458 | dest->east_west = (src->x+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180; | |
459 | /* We should restore logic of viking: | |
460 | * tile index on Y axis follow a screen logic (top -> down) | |
461 | */ | |
462 | dest->north_south = -((src->y+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90); | |
463 | g_debug("%s: %d,%d -> %f,%f", __FUNCTION__, | |
464 | src->x, src->y, dest->east_west, dest->north_south); | |
465 | } | |
466 | ||
467 | static gchar * | |
468 | _get_uri( VikMapSourceDefault *self, MapCoord *src ) | |
469 | { | |
470 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), NULL); | |
471 | ||
472 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
473 | /* We should restore logic of viking: | |
474 | * tile index on Y axis follow a screen logic (top -> down) | |
475 | */ | |
476 | ||
477 | /* Note : nb tiles on Y axis */ | |
478 | gint nb_tiles = VIK_GZ(17 - src->scale - 1); | |
479 | ||
480 | gchar *uri = g_strdup_printf (priv->url, 17 - src->scale - 1, src->x, nb_tiles - src->y - 1); | |
481 | ||
482 | return uri; | |
483 | } | |
484 | ||
485 | static gchar * | |
486 | _get_hostname( VikMapSourceDefault *self ) | |
487 | { | |
488 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), NULL); | |
489 | ||
490 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
491 | return g_strdup( priv->hostname ); | |
492 | } | |
493 | ||
494 | static DownloadFileOptions * | |
495 | _get_download_options( VikMapSourceDefault *self ) | |
496 | { | |
497 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), NULL); | |
498 | ||
499 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
500 | return &(priv->options); | |
501 | } | |
502 | ||
503 | /** | |
504 | * | |
505 | */ | |
506 | static guint8 | |
507 | _get_zoom_min (VikMapSource *self) | |
508 | { | |
509 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
510 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
511 | return priv->zoom_min; | |
512 | } | |
513 | ||
514 | /** | |
515 | * | |
516 | */ | |
517 | static guint8 | |
518 | _get_zoom_max (VikMapSource *self) | |
519 | { | |
520 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
521 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
522 | return priv->zoom_max; | |
523 | } | |
524 | ||
525 | /** | |
526 | * | |
527 | */ | |
528 | static gdouble | |
529 | _get_lat_min (VikMapSource *self) | |
530 | { | |
531 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
532 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
533 | return priv->lat_min; | |
534 | } | |
535 | ||
536 | /** | |
537 | * | |
538 | */ | |
539 | static gdouble | |
540 | _get_lat_max (VikMapSource *self) | |
541 | { | |
542 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
543 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
544 | return priv->lat_max; | |
545 | } | |
546 | ||
547 | /** | |
548 | * | |
549 | */ | |
550 | static gdouble | |
551 | _get_lon_min (VikMapSource *self) | |
552 | { | |
553 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
554 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
555 | return priv->lon_min; | |
556 | } | |
557 | ||
558 | /** | |
559 | * | |
560 | */ | |
561 | static gdouble | |
562 | _get_lon_max (VikMapSource *self) | |
563 | { | |
564 | g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); | |
565 | VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); | |
566 | return priv->lon_max; | |
567 | } | |
568 | ||
569 | VikTmsMapSource * | |
570 | vik_tms_map_source_new_with_id (guint16 id, const gchar *label, const gchar *hostname, const gchar *url) | |
571 | { | |
572 | return g_object_new(VIK_TYPE_TMS_MAP_SOURCE, | |
573 | "id", id, "label", label, "hostname", hostname, "url", url, NULL); | |
574 | } |