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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:vikwmscmapsource | |
22 | * @short_description: the class for WMS/WMS-C oriented map sources | |
23 | * | |
24 | * The #VikWmscMapSource class handles WMS/WMS-C oriented map sources. | |
25 | * | |
26 | * http://wiki.osgeo.org/wiki/WMS_Tile_Caching | |
27 | */ | |
28 | ||
29 | #ifdef HAVE_CONFIG_H | |
30 | #include "config.h" | |
31 | #endif | |
32 | ||
33 | #ifdef HAVE_MATH_H | |
34 | #include <math.h> | |
35 | #endif | |
36 | ||
37 | #include "globals.h" | |
38 | #include "vikwmscmapsource.h" | |
39 | #include "maputils.h" | |
40 | ||
41 | static gboolean _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ); | |
42 | static void _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest ); | |
43 | static gboolean _supports_download_only_new ( VikMapSource *self ); | |
44 | static gboolean _is_direct_file_access ( VikMapSource *self ); | |
45 | static gboolean _is_mbtiles ( VikMapSource *self ); | |
46 | static gboolean _is_osm_meta_tiles (VikMapSource *self ); | |
47 | static guint8 _get_zoom_min(VikMapSource *self ); | |
48 | static guint8 _get_zoom_max(VikMapSource *self ); | |
49 | static gdouble _get_lat_min(VikMapSource *self ); | |
50 | static gdouble _get_lat_max(VikMapSource *self ); | |
51 | static gdouble _get_lon_min(VikMapSource *self ); | |
52 | static gdouble _get_lon_max(VikMapSource *self ); | |
53 | ||
54 | static gchar *_get_uri( VikMapSourceDefault *self, MapCoord *src ); | |
55 | static gchar *_get_hostname( VikMapSourceDefault *self ); | |
56 | static DownloadMapOptions *_get_download_options( VikMapSourceDefault *self ); | |
57 | ||
58 | typedef struct _VikWmscMapSourcePrivate VikWmscMapSourcePrivate; | |
59 | struct _VikWmscMapSourcePrivate | |
60 | { | |
61 | gchar *hostname; | |
62 | gchar *url; | |
63 | DownloadMapOptions options; | |
64 | guint zoom_min; // TMS Zoom level: 0 = Whole World // http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames | |
65 | guint zoom_max; // TMS Zoom level: Often 18 for zoomed in. | |
66 | gdouble lat_min; // Degrees | |
67 | gdouble lat_max; // Degrees | |
68 | gdouble lon_min; // Degrees | |
69 | gdouble lon_max; // Degrees | |
70 | }; | |
71 | ||
72 | #define VIK_WMSC_MAP_SOURCE_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), VIK_TYPE_WMSC_MAP_SOURCE, VikWmscMapSourcePrivate)) | |
73 | ||
74 | /* properties */ | |
75 | enum | |
76 | { | |
77 | PROP_0, | |
78 | ||
79 | PROP_HOSTNAME, | |
80 | PROP_URL, | |
81 | PROP_REFERER, | |
82 | PROP_FOLLOW_LOCATION, | |
83 | PROP_CHECK_FILE_SERVER_TIME, | |
84 | PROP_ZOOM_MIN, | |
85 | PROP_ZOOM_MAX, | |
86 | PROP_LAT_MIN, | |
87 | PROP_LAT_MAX, | |
88 | PROP_LON_MIN, | |
89 | PROP_LON_MAX, | |
90 | }; | |
91 | ||
92 | G_DEFINE_TYPE (VikWmscMapSource, vik_wmsc_map_source, VIK_TYPE_MAP_SOURCE_DEFAULT); | |
93 | ||
94 | static void | |
95 | vik_wmsc_map_source_init (VikWmscMapSource *self) | |
96 | { | |
97 | /* initialize the object here */ | |
98 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self); | |
99 | ||
100 | priv->hostname = NULL; | |
101 | priv->url = NULL; | |
102 | priv->options.referer = NULL; | |
103 | priv->options.follow_location = 0; | |
104 | priv->options.check_file = a_check_map_file; | |
105 | priv->options.check_file_server_time = FALSE; | |
106 | priv->zoom_min = 0; | |
107 | priv->zoom_max = 18; | |
108 | priv->lat_min = -90.0; | |
109 | priv->lat_max = 90.0; | |
110 | priv->lon_min = -180.0; | |
111 | priv->lon_max = 180.0; | |
112 | ||
113 | g_object_set (G_OBJECT (self), | |
114 | "tilesize-x", 256, | |
115 | "tilesize-y", 256, | |
116 | "drawmode", VIK_VIEWPORT_DRAWMODE_LATLON, | |
117 | NULL); | |
118 | } | |
119 | ||
120 | static void | |
121 | vik_wmsc_map_source_finalize (GObject *object) | |
122 | { | |
123 | VikWmscMapSource *self = VIK_WMSC_MAP_SOURCE (object); | |
124 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self); | |
125 | ||
126 | g_free (priv->hostname); | |
127 | priv->hostname = NULL; | |
128 | g_free (priv->url); | |
129 | priv->url = NULL; | |
130 | g_free (priv->options.referer); | |
131 | priv->options.referer = NULL; | |
132 | ||
133 | G_OBJECT_CLASS (vik_wmsc_map_source_parent_class)->finalize (object); | |
134 | } | |
135 | ||
136 | static void | |
137 | vik_wmsc_map_source_set_property (GObject *object, | |
138 | guint property_id, | |
139 | const GValue *value, | |
140 | GParamSpec *pspec) | |
141 | { | |
142 | VikWmscMapSource *self = VIK_WMSC_MAP_SOURCE (object); | |
143 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self); | |
144 | ||
145 | switch (property_id) | |
146 | { | |
147 | case PROP_HOSTNAME: | |
148 | g_free (priv->hostname); | |
149 | priv->hostname = g_value_dup_string (value); | |
150 | break; | |
151 | ||
152 | case PROP_URL: | |
153 | g_free (priv->url); | |
154 | priv->url = g_value_dup_string (value); | |
155 | break; | |
156 | ||
157 | case PROP_REFERER: | |
158 | g_free (priv->options.referer); | |
159 | priv->options.referer = g_value_dup_string (value); | |
160 | break; | |
161 | ||
162 | case PROP_FOLLOW_LOCATION: | |
163 | priv->options.follow_location = g_value_get_long (value); | |
164 | break; | |
165 | ||
166 | case PROP_CHECK_FILE_SERVER_TIME: | |
167 | priv->options.check_file_server_time = g_value_get_boolean (value); | |
168 | break; | |
169 | ||
170 | case PROP_ZOOM_MIN: | |
171 | priv->zoom_min = g_value_get_uint (value); | |
172 | break; | |
173 | ||
174 | case PROP_ZOOM_MAX: | |
175 | priv->zoom_max = g_value_get_uint (value); | |
176 | break; | |
177 | ||
178 | case PROP_LAT_MIN: | |
179 | priv->lat_min = g_value_get_double (value); | |
180 | break; | |
181 | ||
182 | case PROP_LAT_MAX: | |
183 | priv->lat_max = g_value_get_double (value); | |
184 | break; | |
185 | ||
186 | case PROP_LON_MIN: | |
187 | priv->lon_min = g_value_get_double (value); | |
188 | break; | |
189 | ||
190 | case PROP_LON_MAX: | |
191 | priv->lon_max = g_value_get_double (value); | |
192 | break; | |
193 | ||
194 | default: | |
195 | /* We don't have any other property... */ | |
196 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
197 | break; | |
198 | } | |
199 | } | |
200 | ||
201 | static void | |
202 | vik_wmsc_map_source_get_property (GObject *object, | |
203 | guint property_id, | |
204 | GValue *value, | |
205 | GParamSpec *pspec) | |
206 | { | |
207 | VikWmscMapSource *self = VIK_WMSC_MAP_SOURCE (object); | |
208 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self); | |
209 | ||
210 | switch (property_id) | |
211 | { | |
212 | case PROP_HOSTNAME: | |
213 | g_value_set_string (value, priv->hostname); | |
214 | break; | |
215 | ||
216 | case PROP_URL: | |
217 | g_value_set_string (value, priv->url); | |
218 | break; | |
219 | ||
220 | case PROP_REFERER: | |
221 | g_value_set_string (value, priv->options.referer); | |
222 | break; | |
223 | ||
224 | case PROP_FOLLOW_LOCATION: | |
225 | g_value_set_long (value, priv->options.follow_location); | |
226 | break; | |
227 | ||
228 | case PROP_CHECK_FILE_SERVER_TIME: | |
229 | g_value_set_boolean (value, priv->options.check_file_server_time); | |
230 | break; | |
231 | ||
232 | case PROP_ZOOM_MIN: | |
233 | g_value_set_uint (value, priv->zoom_min); | |
234 | break; | |
235 | ||
236 | case PROP_ZOOM_MAX: | |
237 | g_value_set_uint (value, priv->zoom_max); | |
238 | break; | |
239 | ||
240 | case PROP_LON_MIN: | |
241 | g_value_set_double (value, priv->lon_min); | |
242 | break; | |
243 | ||
244 | case PROP_LON_MAX: | |
245 | g_value_set_double (value, priv->lon_max); | |
246 | break; | |
247 | ||
248 | case PROP_LAT_MIN: | |
249 | g_value_set_double (value, priv->lat_min); | |
250 | break; | |
251 | ||
252 | case PROP_LAT_MAX: | |
253 | g_value_set_double (value, priv->lat_max); | |
254 | break; | |
255 | ||
256 | default: | |
257 | /* We don't have any other property... */ | |
258 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
259 | break; | |
260 | } | |
261 | } | |
262 | ||
263 | static void | |
264 | vik_wmsc_map_source_class_init (VikWmscMapSourceClass *klass) | |
265 | { | |
266 | GObjectClass* object_class = G_OBJECT_CLASS (klass); | |
267 | VikMapSourceClass* grandparent_class = VIK_MAP_SOURCE_CLASS (klass); | |
268 | VikMapSourceDefaultClass* parent_class = VIK_MAP_SOURCE_DEFAULT_CLASS (klass); | |
269 | GParamSpec *pspec = NULL; | |
270 | ||
271 | object_class->set_property = vik_wmsc_map_source_set_property; | |
272 | object_class->get_property = vik_wmsc_map_source_get_property; | |
273 | ||
274 | /* Overiding methods */ | |
275 | grandparent_class->coord_to_mapcoord = _coord_to_mapcoord; | |
276 | grandparent_class->mapcoord_to_center_coord = _mapcoord_to_center_coord; | |
277 | grandparent_class->supports_download_only_new = _supports_download_only_new; | |
278 | grandparent_class->is_direct_file_access = _is_direct_file_access; | |
279 | grandparent_class->is_mbtiles = _is_mbtiles; | |
280 | grandparent_class->is_osm_meta_tiles = _is_osm_meta_tiles; | |
281 | grandparent_class->get_zoom_min = _get_zoom_min; | |
282 | grandparent_class->get_zoom_max = _get_zoom_max; | |
283 | grandparent_class->get_lat_min = _get_lat_min; | |
284 | grandparent_class->get_lat_max = _get_lat_max; | |
285 | grandparent_class->get_lon_min = _get_lon_min; | |
286 | grandparent_class->get_lon_max = _get_lon_max; | |
287 | ||
288 | parent_class->get_uri = _get_uri; | |
289 | parent_class->get_hostname = _get_hostname; | |
290 | parent_class->get_download_options = _get_download_options; | |
291 | ||
292 | pspec = g_param_spec_string ("hostname", | |
293 | "Hostname", | |
294 | "The hostname of the map server", | |
295 | "<no-set>" /* default value */, | |
296 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
297 | g_object_class_install_property (object_class, PROP_HOSTNAME, pspec); | |
298 | ||
299 | pspec = g_param_spec_string ("url", | |
300 | "URL", | |
301 | "The template of the tiles' URL", | |
302 | "<no-set>" /* default value */, | |
303 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
304 | g_object_class_install_property (object_class, PROP_URL, pspec); | |
305 | ||
306 | pspec = g_param_spec_string ("referer", | |
307 | "Referer", | |
308 | "The REFERER string to use in HTTP request", | |
309 | NULL /* default value */, | |
310 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
311 | g_object_class_install_property (object_class, PROP_REFERER, pspec); | |
312 | ||
313 | pspec = g_param_spec_long ("follow-location", | |
314 | "Follow location", | |
315 | "Specifies the number of retries to follow a redirect while downloading a page", | |
316 | 0 /* minimum value */, | |
317 | G_MAXLONG /* maximum value */, | |
318 | 0 /* default value */, | |
319 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
320 | g_object_class_install_property (object_class, PROP_FOLLOW_LOCATION, pspec); | |
321 | ||
322 | pspec = g_param_spec_boolean ("check-file-server-time", | |
323 | "Check file server time", | |
324 | "Age of current cache before redownloading tile", | |
325 | FALSE /* default value */, | |
326 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
327 | g_object_class_install_property (object_class, PROP_CHECK_FILE_SERVER_TIME, pspec); | |
328 | ||
329 | pspec = g_param_spec_uint ("zoom-min", | |
330 | "Minimum zoom", | |
331 | "Minimum Zoom level supported by the map provider", | |
332 | 0, // minimum value, | |
333 | 22, // maximum value | |
334 | 0, // default value | |
335 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
336 | g_object_class_install_property (object_class, PROP_ZOOM_MIN, pspec); | |
337 | ||
338 | pspec = g_param_spec_uint ("zoom-max", | |
339 | "Maximum zoom", | |
340 | "Maximum Zoom level supported by the map provider", | |
341 | 0, // minimum value, | |
342 | 22, // maximum value | |
343 | 18, // default value | |
344 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
345 | g_object_class_install_property (object_class, PROP_ZOOM_MAX, pspec); | |
346 | ||
347 | pspec = g_param_spec_double ("lat-min", | |
348 | "Minimum latitude", | |
349 | "Minimum latitude in degrees supported by the map provider", | |
350 | -90.0, // minimum value | |
351 | 90.0, // maximum value | |
352 | -90.0, // default value | |
353 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
354 | g_object_class_install_property (object_class, PROP_LAT_MIN, pspec); | |
355 | ||
356 | pspec = g_param_spec_double ("lat-max", | |
357 | "Maximum latitude", | |
358 | "Maximum latitude in degrees supported by the map provider", | |
359 | -90.0, // minimum value | |
360 | 90.0, // maximum value | |
361 | 90.0, // default value | |
362 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
363 | g_object_class_install_property (object_class, PROP_LAT_MAX, pspec); | |
364 | ||
365 | pspec = g_param_spec_double ("lon-min", | |
366 | "Minimum longitude", | |
367 | "Minimum longitude in degrees supported by the map provider", | |
368 | -180.0, // minimum value | |
369 | 180.0, // maximum value | |
370 | -180.0, // default value | |
371 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
372 | g_object_class_install_property (object_class, PROP_LON_MIN, pspec); | |
373 | ||
374 | pspec = g_param_spec_double ("lon-max", | |
375 | "Maximum longitude", | |
376 | "Maximum longitude in degrees supported by the map provider", | |
377 | -180.0, // minimum value | |
378 | 180.0, // maximum value | |
379 | 180.0, // default value | |
380 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
381 | g_object_class_install_property (object_class, PROP_LON_MAX, pspec); | |
382 | ||
383 | g_type_class_add_private (klass, sizeof (VikWmscMapSourcePrivate)); | |
384 | ||
385 | object_class->finalize = vik_wmsc_map_source_finalize; | |
386 | } | |
387 | ||
388 | static gboolean | |
389 | _supports_download_only_new ( VikMapSource *self ) | |
390 | { | |
391 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
392 | ||
393 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
394 | ||
395 | return priv->options.check_file_server_time; | |
396 | } | |
397 | ||
398 | static gboolean | |
399 | _is_direct_file_access ( VikMapSource *self ) | |
400 | { | |
401 | return FALSE; | |
402 | } | |
403 | ||
404 | static gboolean | |
405 | _is_mbtiles ( VikMapSource *self ) | |
406 | { | |
407 | return FALSE; | |
408 | } | |
409 | ||
410 | static gboolean | |
411 | _is_osm_meta_tiles ( VikMapSource *self ) | |
412 | { | |
413 | return FALSE; | |
414 | } | |
415 | ||
416 | static gboolean | |
417 | _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ) | |
418 | { | |
419 | g_assert ( src->mode == VIK_COORD_LATLON ); | |
420 | ||
421 | if ( xzoom != yzoom ) | |
422 | return FALSE; | |
423 | ||
424 | dest->scale = map_utils_mpp_to_scale ( xzoom ); | |
425 | if ( dest->scale == 255 ) | |
426 | return FALSE; | |
427 | ||
428 | /* Note : VIK_GZ(17) / xzoom / 2 = number of tile on Y axis */ | |
429 | g_debug("%s: xzoom=%f yzoom=%f -> %f", __FUNCTION__, | |
430 | xzoom, yzoom, VIK_GZ(17) / xzoom / 2); | |
431 | dest->x = floor((src->east_west + 180) / 180 * VIK_GZ(17) / xzoom / 2); | |
432 | /* We should restore logic of viking: | |
433 | * tile index on Y axis follow a screen logic (top -> down) | |
434 | */ | |
435 | dest->y = floor((180 - (src->north_south + 90)) / 180 * VIK_GZ(17) / xzoom / 2); | |
436 | dest->z = 0; | |
437 | g_debug("%s: %f,%f -> %d,%d", __FUNCTION__, | |
438 | src->east_west, src->north_south, dest->x, dest->y); | |
439 | return TRUE; | |
440 | } | |
441 | ||
442 | static void | |
443 | _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest ) | |
444 | { | |
445 | gdouble socalled_mpp; | |
446 | if (src->scale >= 0) | |
447 | socalled_mpp = VIK_GZ(src->scale); | |
448 | else | |
449 | socalled_mpp = 1.0/VIK_GZ(-src->scale); | |
450 | dest->mode = VIK_COORD_LATLON; | |
451 | dest->east_west = (src->x+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180; | |
452 | /* We should restore logic of viking: | |
453 | * tile index on Y axis follow a screen logic (top -> down) | |
454 | */ | |
455 | dest->north_south = -((src->y+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90); | |
456 | g_debug("%s: %d,%d -> %f,%f", __FUNCTION__, | |
457 | src->x, src->y, dest->east_west, dest->north_south); | |
458 | } | |
459 | ||
460 | static gchar * | |
461 | _get_uri( VikMapSourceDefault *self, MapCoord *src ) | |
462 | { | |
463 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), NULL); | |
464 | ||
465 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
466 | gdouble socalled_mpp; | |
467 | if (src->scale >= 0) | |
468 | socalled_mpp = VIK_GZ(src->scale); | |
469 | else | |
470 | socalled_mpp = 1.0/VIK_GZ(-src->scale); | |
471 | gdouble minx = (gdouble)src->x * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180; | |
472 | gdouble maxx = (gdouble)(src->x + 1) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180; | |
473 | /* We should restore logic of viking: | |
474 | * tile index on Y axis follow a screen logic (top -> down) | |
475 | */ | |
476 | gdouble miny = -((gdouble)(src->y + 1) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90); | |
477 | gdouble maxy = -((gdouble)(src->y) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90); | |
478 | ||
479 | gchar sminx[G_ASCII_DTOSTR_BUF_SIZE]; | |
480 | gchar smaxx[G_ASCII_DTOSTR_BUF_SIZE]; | |
481 | gchar sminy[G_ASCII_DTOSTR_BUF_SIZE]; | |
482 | gchar smaxy[G_ASCII_DTOSTR_BUF_SIZE]; | |
483 | ||
484 | g_ascii_dtostr (sminx, G_ASCII_DTOSTR_BUF_SIZE, minx); | |
485 | g_ascii_dtostr (smaxx, G_ASCII_DTOSTR_BUF_SIZE, maxx); | |
486 | g_ascii_dtostr (sminy, G_ASCII_DTOSTR_BUF_SIZE, miny); | |
487 | g_ascii_dtostr (smaxy, G_ASCII_DTOSTR_BUF_SIZE, maxy); | |
488 | ||
489 | gchar *uri = g_strdup_printf (priv->url, sminx, sminy, smaxx, smaxy); | |
490 | ||
491 | return uri; | |
492 | } | |
493 | ||
494 | static gchar * | |
495 | _get_hostname( VikMapSourceDefault *self ) | |
496 | { | |
497 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), NULL); | |
498 | ||
499 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
500 | return g_strdup( priv->hostname ); | |
501 | } | |
502 | ||
503 | static DownloadMapOptions * | |
504 | _get_download_options( VikMapSourceDefault *self ) | |
505 | { | |
506 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), NULL); | |
507 | ||
508 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
509 | return &(priv->options); | |
510 | } | |
511 | /** | |
512 | * | |
513 | */ | |
514 | static guint8 | |
515 | _get_zoom_min (VikMapSource *self) | |
516 | { | |
517 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
518 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
519 | return priv->zoom_min; | |
520 | } | |
521 | ||
522 | /** | |
523 | * | |
524 | */ | |
525 | static guint8 | |
526 | _get_zoom_max (VikMapSource *self) | |
527 | { | |
528 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
529 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
530 | return priv->zoom_max; | |
531 | } | |
532 | ||
533 | /** | |
534 | * | |
535 | */ | |
536 | static gdouble | |
537 | _get_lat_min (VikMapSource *self) | |
538 | { | |
539 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
540 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
541 | return priv->lat_min; | |
542 | } | |
543 | ||
544 | /** | |
545 | * | |
546 | */ | |
547 | static gdouble | |
548 | _get_lat_max (VikMapSource *self) | |
549 | { | |
550 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
551 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
552 | return priv->lat_max; | |
553 | } | |
554 | ||
555 | /** | |
556 | * | |
557 | */ | |
558 | static gdouble | |
559 | _get_lon_min (VikMapSource *self) | |
560 | { | |
561 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
562 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
563 | return priv->lon_min; | |
564 | } | |
565 | ||
566 | /** | |
567 | * | |
568 | */ | |
569 | static gdouble | |
570 | _get_lon_max (VikMapSource *self) | |
571 | { | |
572 | g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE); | |
573 | VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self); | |
574 | return priv->lon_max; | |
575 | } | |
576 | ||
577 | VikWmscMapSource * | |
578 | vik_wmsc_map_source_new_with_id (guint16 id, const gchar *label, const gchar *hostname, const gchar *url) | |
579 | { | |
580 | return g_object_new(VIK_TYPE_WMSC_MAP_SOURCE, | |
581 | "id", id, "label", label, "hostname", hostname, "url", url, NULL); | |
582 | } |