Parent Directory | Revision Log
osm-gps-map navigator
1 | harbaum | 32 | /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */ |
2 | /* vim:set et sw=4 ts=4 cino=t0,(0: */ | ||
3 | /* | ||
4 | * osm-gps-map.c | ||
5 | * Copyright (C) Marcus Bauer 2008 <marcus.bauer@gmail.com> | ||
6 | * Copyright (C) John Stowers 2009 <john.stowers@gmail.com> | ||
7 | * | ||
8 | * Contributions by | ||
9 | * Everaldo Canuto 2009 <everaldo.canuto@gmail.com> | ||
10 | * | ||
11 | * osm-gps-map.c is free software: you can redistribute it and/or modify it | ||
12 | * under the terms of the GNU General Public License as published by the | ||
13 | * Free Software Foundation, either version 3 of the License, or | ||
14 | * (at your option) any later version. | ||
15 | * | ||
16 | * osm-gps-map.c is distributed in the hope that it will be useful, but | ||
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
19 | * See the GNU General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License along | ||
22 | * with this program. If not, see <http://www.gnu.org/licenses/>. | ||
23 | */ | ||
24 | |||
25 | #include "config.h" | ||
26 | |||
27 | #include <fcntl.h> | ||
28 | #include <math.h> | ||
29 | #include <unistd.h> | ||
30 | #include <stdio.h> | ||
31 | #include <stdlib.h> | ||
32 | #include <string.h> | ||
33 | |||
34 | #include <gdk/gdk.h> | ||
35 | #include <glib.h> | ||
36 | harbaum | 55 | #include <glib/gstdio.h> |
37 | harbaum | 32 | #include <glib/gprintf.h> |
38 | #include <libsoup/soup.h> | ||
39 | |||
40 | #include "converter.h" | ||
41 | #include "osm-gps-map-types.h" | ||
42 | #include "osm-gps-map.h" | ||
43 | |||
44 | #ifdef USE_CAIRO | ||
45 | #include <cairo.h> | ||
46 | #endif | ||
47 | |||
48 | #define ENABLE_DEBUG 0 | ||
49 | |||
50 | #define EXTRA_BORDER (TILESIZE / 2) | ||
51 | |||
52 | struct _OsmGpsMapPrivate | ||
53 | { | ||
54 | GHashTable *tile_queue; | ||
55 | GHashTable *missing_tiles; | ||
56 | GHashTable *tile_cache; | ||
57 | |||
58 | int map_zoom; | ||
59 | int max_zoom; | ||
60 | int min_zoom; | ||
61 | gboolean map_auto_center; | ||
62 | gboolean map_auto_download; | ||
63 | int map_x; | ||
64 | int map_y; | ||
65 | |||
66 | /* Latitude and longitude of the center of the map, in radians */ | ||
67 | gfloat center_rlat; | ||
68 | gfloat center_rlon; | ||
69 | |||
70 | guint max_tile_cache_size; | ||
71 | /* Incremented at each redraw */ | ||
72 | guint redraw_cycle; | ||
73 | /* ID of the idle redraw operation */ | ||
74 | guint idle_map_redraw; | ||
75 | |||
76 | //how we download tiles | ||
77 | SoupSession *soup_session; | ||
78 | char *proxy_uri; | ||
79 | |||
80 | //where downloaded tiles are cached | ||
81 | char *cache_dir; | ||
82 | gboolean cache_dir_is_full_path; | ||
83 | |||
84 | //contains flags indicating the various special characters | ||
85 | //the uri string contains, that will be replaced when calculating | ||
86 | //the uri to download. | ||
87 | harbaum | 55 | OsmGpsMapSource_t map_source; |
88 | harbaum | 32 | char *repo_uri; |
89 | harbaum | 55 | char *image_format; |
90 | harbaum | 32 | int uri_format; |
91 | //flag indicating if the map source is located on the google | ||
92 | gboolean the_google; | ||
93 | |||
94 | //gps tracking state | ||
95 | gboolean record_trip_history; | ||
96 | gboolean show_trip_history; | ||
97 | GSList *trip_history; | ||
98 | coord_t *gps; | ||
99 | gboolean gps_valid; | ||
100 | |||
101 | harbaum | 57 | //a balloon with additional info |
102 | harbaum | 58 | struct { |
103 | coord_t *coo; | ||
104 | gboolean valid; | ||
105 | OsmGpsMapRect_t rect; | ||
106 | OsmGpsMapBalloonCallback cb; | ||
107 | gpointer data; | ||
108 | } balloon; | ||
109 | harbaum | 57 | |
110 | harbaum | 61 | #ifdef ENABLE_OSD |
111 | //the osd controls | ||
112 | struct { | ||
113 | GdkPixmap *backup; | ||
114 | gint backup_x, backup_y; | ||
115 | |||
116 | |||
117 | // GdkPixbuf *pixbuf; | ||
118 | } osd; | ||
119 | #endif | ||
120 | |||
121 | harbaum | 32 | //additional images or tracks added to the map |
122 | GSList *tracks; | ||
123 | GSList *images; | ||
124 | |||
125 | //Used for storing the joined tiles | ||
126 | GdkPixmap *pixmap; | ||
127 | GdkGC *gc_map; | ||
128 | |||
129 | //The tile painted when one cannot be found | ||
130 | harbaum | 55 | GdkPixbuf *null_tile; |
131 | harbaum | 32 | |
132 | //For tracking click and drag | ||
133 | int drag_counter; | ||
134 | int drag_mouse_dx; | ||
135 | int drag_mouse_dy; | ||
136 | int drag_start_mouse_x; | ||
137 | int drag_start_mouse_y; | ||
138 | int drag_start_map_x; | ||
139 | int drag_start_map_y; | ||
140 | |||
141 | //for customizing the redering of the gps track | ||
142 | int ui_gps_track_width; | ||
143 | int ui_gps_point_inner_radius; | ||
144 | int ui_gps_point_outer_radius; | ||
145 | |||
146 | guint is_disposed : 1; | ||
147 | guint dragging : 1; | ||
148 | guint center_coord_set : 1; | ||
149 | }; | ||
150 | |||
151 | #define OSM_GPS_MAP_PRIVATE(o) (OSM_GPS_MAP (o)->priv) | ||
152 | |||
153 | typedef struct | ||
154 | { | ||
155 | GdkPixbuf *pixbuf; | ||
156 | /* We keep track of the number of the redraw cycle this tile was last used, | ||
157 | * so that osm_gps_map_purge_cache() can remove the older ones */ | ||
158 | guint redraw_cycle; | ||
159 | } OsmCachedTile; | ||
160 | |||
161 | enum | ||
162 | { | ||
163 | PROP_0, | ||
164 | |||
165 | PROP_AUTO_CENTER, | ||
166 | PROP_RECORD_TRIP_HISTORY, | ||
167 | PROP_SHOW_TRIP_HISTORY, | ||
168 | PROP_AUTO_DOWNLOAD, | ||
169 | PROP_REPO_URI, | ||
170 | PROP_PROXY_URI, | ||
171 | PROP_TILE_CACHE_DIR, | ||
172 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, | ||
173 | PROP_ZOOM, | ||
174 | PROP_MAX_ZOOM, | ||
175 | PROP_MIN_ZOOM, | ||
176 | PROP_LATITUDE, | ||
177 | PROP_LONGITUDE, | ||
178 | PROP_MAP_X, | ||
179 | PROP_MAP_Y, | ||
180 | PROP_TILES_QUEUED, | ||
181 | PROP_GPS_TRACK_WIDTH, | ||
182 | PROP_GPS_POINT_R1, | ||
183 | harbaum | 55 | PROP_GPS_POINT_R2, |
184 | PROP_MAP_SOURCE, | ||
185 | PROP_IMAGE_FORMAT | ||
186 | harbaum | 32 | }; |
187 | |||
188 | G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA); | ||
189 | |||
190 | /* | ||
191 | * Drawing function forward defintions | ||
192 | */ | ||
193 | static gchar *replace_string(const gchar *src, const gchar *from, const gchar *to); | ||
194 | static void inspect_map_uri(OsmGpsMap *map); | ||
195 | static gchar *replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y); | ||
196 | static void osm_gps_map_print_images (OsmGpsMap *map); | ||
197 | static void osm_gps_map_draw_gps_point (OsmGpsMap *map); | ||
198 | static void osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y); | ||
199 | harbaum | 55 | #ifdef LIBSOUP22 |
200 | static void osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data); | ||
201 | #else | ||
202 | static void osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data); | ||
203 | #endif | ||
204 | harbaum | 32 | static void osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw); |
205 | static void osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y); | ||
206 | static void osm_gps_map_fill_tiles_pixel (OsmGpsMap *map); | ||
207 | static gboolean osm_gps_map_map_redraw (OsmGpsMap *map); | ||
208 | static void osm_gps_map_map_redraw_idle (OsmGpsMap *map); | ||
209 | |||
210 | static void | ||
211 | cached_tile_free (OsmCachedTile *tile) | ||
212 | { | ||
213 | g_object_unref (tile->pixbuf); | ||
214 | g_slice_free (OsmCachedTile, tile); | ||
215 | } | ||
216 | |||
217 | /* | ||
218 | * Description: | ||
219 | * Find and replace text within a string. | ||
220 | * | ||
221 | * Parameters: | ||
222 | * src (in) - pointer to source string | ||
223 | * from (in) - pointer to search text | ||
224 | * to (in) - pointer to replacement text | ||
225 | * | ||
226 | * Returns: | ||
227 | * Returns a pointer to dynamically-allocated memory containing string | ||
228 | * with occurences of the text pointed to by 'from' replaced by with the | ||
229 | * text pointed to by 'to'. | ||
230 | */ | ||
231 | static gchar * | ||
232 | replace_string(const gchar *src, const gchar *from, const gchar *to) | ||
233 | { | ||
234 | size_t size = strlen(src) + 1; | ||
235 | size_t fromlen = strlen(from); | ||
236 | size_t tolen = strlen(to); | ||
237 | |||
238 | /* Allocate the first chunk with enough for the original string. */ | ||
239 | gchar *value = g_malloc(size); | ||
240 | |||
241 | |||
242 | /* We need to return 'value', so let's make a copy to mess around with. */ | ||
243 | gchar *dst = value; | ||
244 | |||
245 | if ( value != NULL ) | ||
246 | { | ||
247 | for ( ;; ) | ||
248 | { | ||
249 | /* Try to find the search text. */ | ||
250 | const gchar *match = g_strstr_len(src, size, from); | ||
251 | if ( match != NULL ) | ||
252 | { | ||
253 | gchar *temp; | ||
254 | /* Find out how many characters to copy up to the 'match'. */ | ||
255 | size_t count = match - src; | ||
256 | |||
257 | |||
258 | /* Calculate the total size the string will be after the | ||
259 | * replacement is performed. */ | ||
260 | size += tolen - fromlen; | ||
261 | |||
262 | temp = g_realloc(value, size); | ||
263 | if ( temp == NULL ) | ||
264 | { | ||
265 | g_free(value); | ||
266 | return NULL; | ||
267 | } | ||
268 | |||
269 | /* we'll want to return 'value' eventually, so let's point it | ||
270 | * to the memory that we are now working with. | ||
271 | * And let's not forget to point to the right location in | ||
272 | * the destination as well. */ | ||
273 | dst = temp + (dst - value); | ||
274 | value = temp; | ||
275 | |||
276 | /* | ||
277 | * Copy from the source to the point where we matched. Then | ||
278 | * move the source pointer ahead by the amount we copied. And | ||
279 | * move the destination pointer ahead by the same amount. | ||
280 | */ | ||
281 | g_memmove(dst, src, count); | ||
282 | src += count; | ||
283 | dst += count; | ||
284 | |||
285 | /* Now copy in the replacement text 'to' at the position of | ||
286 | * the match. Adjust the source pointer by the text we replaced. | ||
287 | * Adjust the destination pointer by the amount of replacement | ||
288 | * text. */ | ||
289 | g_memmove(dst, to, tolen); | ||
290 | src += fromlen; | ||
291 | dst += tolen; | ||
292 | } | ||
293 | else | ||
294 | { | ||
295 | /* | ||
296 | * Copy any remaining part of the string. This includes the null | ||
297 | * termination character. | ||
298 | */ | ||
299 | strcpy(dst, src); | ||
300 | break; | ||
301 | } | ||
302 | } | ||
303 | } | ||
304 | return value; | ||
305 | } | ||
306 | |||
307 | static void | ||
308 | map_convert_coords_to_quadtree_string(OsmGpsMap *map, gint x, gint y, gint zoomlevel, | ||
309 | gchar *buffer, const gchar initial, | ||
310 | const gchar *const quadrant) | ||
311 | { | ||
312 | gchar *ptr = buffer; | ||
313 | gint n; | ||
314 | |||
315 | if (initial) | ||
316 | *ptr++ = initial; | ||
317 | |||
318 | for(n = zoomlevel-1; n >= 0; n--) | ||
319 | { | ||
320 | gint xbit = (x >> n) & 1; | ||
321 | gint ybit = (y >> n) & 1; | ||
322 | *ptr++ = quadrant[xbit + 2 * ybit]; | ||
323 | } | ||
324 | |||
325 | *ptr++ = '\0'; | ||
326 | } | ||
327 | |||
328 | |||
329 | static void | ||
330 | inspect_map_uri(OsmGpsMap *map) | ||
331 | { | ||
332 | OsmGpsMapPrivate *priv = map->priv; | ||
333 | |||
334 | if (g_strrstr(priv->repo_uri, URI_MARKER_X)) | ||
335 | priv->uri_format |= URI_HAS_X; | ||
336 | |||
337 | if (g_strrstr(priv->repo_uri, URI_MARKER_Y)) | ||
338 | priv->uri_format |= URI_HAS_Y; | ||
339 | |||
340 | if (g_strrstr(priv->repo_uri, URI_MARKER_Z)) | ||
341 | priv->uri_format |= URI_HAS_Z; | ||
342 | |||
343 | if (g_strrstr(priv->repo_uri, URI_MARKER_S)) | ||
344 | priv->uri_format |= URI_HAS_S; | ||
345 | |||
346 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q)) | ||
347 | priv->uri_format |= URI_HAS_Q; | ||
348 | |||
349 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q0)) | ||
350 | priv->uri_format |= URI_HAS_Q0; | ||
351 | |||
352 | if (g_strrstr(priv->repo_uri, URI_MARKER_YS)) | ||
353 | priv->uri_format |= URI_HAS_YS; | ||
354 | |||
355 | if (g_strrstr(priv->repo_uri, URI_MARKER_R)) | ||
356 | priv->uri_format |= URI_HAS_R; | ||
357 | |||
358 | if (g_strrstr(priv->repo_uri, "google.com")) | ||
359 | priv->the_google = TRUE; | ||
360 | |||
361 | g_debug("URI Format: 0x%X (google: %X)", priv->uri_format, priv->the_google); | ||
362 | |||
363 | } | ||
364 | |||
365 | static gchar * | ||
366 | replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y) | ||
367 | { | ||
368 | OsmGpsMapPrivate *priv = map->priv; | ||
369 | char *url; | ||
370 | unsigned int i; | ||
371 | char location[22]; | ||
372 | |||
373 | i = 1; | ||
374 | url = g_strdup(uri); | ||
375 | while (i < URI_FLAG_END) | ||
376 | { | ||
377 | char *s = NULL; | ||
378 | char *old; | ||
379 | |||
380 | old = url; | ||
381 | switch(i & priv->uri_format) | ||
382 | { | ||
383 | case URI_HAS_X: | ||
384 | s = g_strdup_printf("%d", x); | ||
385 | url = replace_string(url, URI_MARKER_X, s); | ||
386 | //g_debug("FOUND " URI_MARKER_X); | ||
387 | break; | ||
388 | case URI_HAS_Y: | ||
389 | s = g_strdup_printf("%d", y); | ||
390 | url = replace_string(url, URI_MARKER_Y, s); | ||
391 | //g_debug("FOUND " URI_MARKER_Y); | ||
392 | break; | ||
393 | case URI_HAS_Z: | ||
394 | s = g_strdup_printf("%d", zoom); | ||
395 | url = replace_string(url, URI_MARKER_Z, s); | ||
396 | //g_debug("FOUND " URI_MARKER_Z); | ||
397 | break; | ||
398 | case URI_HAS_S: | ||
399 | s = g_strdup_printf("%d", priv->max_zoom-zoom); | ||
400 | url = replace_string(url, URI_MARKER_S, s); | ||
401 | //g_debug("FOUND " URI_MARKER_S); | ||
402 | break; | ||
403 | case URI_HAS_Q: | ||
404 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'t',"qrts"); | ||
405 | s = g_strdup_printf("%s", location); | ||
406 | url = replace_string(url, URI_MARKER_Q, s); | ||
407 | //g_debug("FOUND " URI_MARKER_Q); | ||
408 | break; | ||
409 | case URI_HAS_Q0: | ||
410 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'\0', "0123"); | ||
411 | s = g_strdup_printf("%s", location); | ||
412 | url = replace_string(url, URI_MARKER_Q0, s); | ||
413 | //g_debug("FOUND " URI_MARKER_Q0); | ||
414 | break; | ||
415 | case URI_HAS_YS: | ||
416 | // s = g_strdup_printf("%d", y); | ||
417 | // url = replace_string(url, URI_MARKER_YS, s); | ||
418 | g_warning("FOUND " URI_MARKER_YS " NOT IMPLEMENTED"); | ||
419 | // retval = g_strdup_printf(repo->url, | ||
420 | // tilex, | ||
421 | // (1 << (MAX_ZOOM - zoom)) - tiley - 1, | ||
422 | // zoom - (MAX_ZOOM - 17)); | ||
423 | break; | ||
424 | case URI_HAS_R: | ||
425 | s = g_strdup_printf("%d", g_random_int_range(0,4)); | ||
426 | url = replace_string(url, URI_MARKER_R, s); | ||
427 | //g_debug("FOUND " URI_MARKER_R); | ||
428 | break; | ||
429 | default: | ||
430 | s = NULL; | ||
431 | break; | ||
432 | } | ||
433 | |||
434 | if (s) { | ||
435 | g_free(s); | ||
436 | g_free(old); | ||
437 | } | ||
438 | |||
439 | i = (i << 1); | ||
440 | |||
441 | } | ||
442 | |||
443 | return url; | ||
444 | } | ||
445 | |||
446 | static void | ||
447 | my_log_handler (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) | ||
448 | { | ||
449 | if (!(log_level & G_LOG_LEVEL_DEBUG) || ENABLE_DEBUG) | ||
450 | g_log_default_handler (log_domain, log_level, message, user_data); | ||
451 | } | ||
452 | |||
453 | harbaum | 55 | static float |
454 | osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon) | ||
455 | { | ||
456 | /* world at zoom 1 == 512 pixels */ | ||
457 | return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom)); | ||
458 | } | ||
459 | |||
460 | harbaum | 32 | /* clears the trip list and all resources */ |
461 | static void | ||
462 | osm_gps_map_free_trip (OsmGpsMap *map) | ||
463 | { | ||
464 | OsmGpsMapPrivate *priv = map->priv; | ||
465 | if (priv->trip_history) { | ||
466 | g_slist_foreach(priv->trip_history, (GFunc) g_free, NULL); | ||
467 | g_slist_free(priv->trip_history); | ||
468 | priv->trip_history = NULL; | ||
469 | } | ||
470 | } | ||
471 | |||
472 | /* clears the tracks and all resources */ | ||
473 | static void | ||
474 | osm_gps_map_free_tracks (OsmGpsMap *map) | ||
475 | { | ||
476 | OsmGpsMapPrivate *priv = map->priv; | ||
477 | if (priv->tracks) | ||
478 | { | ||
479 | GSList* tmp = priv->tracks; | ||
480 | while (tmp != NULL) | ||
481 | { | ||
482 | g_slist_foreach(tmp->data, (GFunc) g_free, NULL); | ||
483 | g_slist_free(tmp->data); | ||
484 | tmp = g_slist_next(tmp); | ||
485 | } | ||
486 | g_slist_free(priv->tracks); | ||
487 | priv->tracks = NULL; | ||
488 | } | ||
489 | } | ||
490 | |||
491 | /* free the poi image lists */ | ||
492 | static void | ||
493 | osm_gps_map_free_images (OsmGpsMap *map) | ||
494 | { | ||
495 | OsmGpsMapPrivate *priv = map->priv; | ||
496 | if (priv->images) { | ||
497 | GSList *list; | ||
498 | for(list = priv->images; list != NULL; list = list->next) | ||
499 | { | ||
500 | image_t *im = list->data; | ||
501 | g_object_unref(im->image); | ||
502 | g_free(im); | ||
503 | } | ||
504 | g_slist_free(priv->images); | ||
505 | priv->images = NULL; | ||
506 | } | ||
507 | } | ||
508 | |||
509 | static void | ||
510 | osm_gps_map_print_images (OsmGpsMap *map) | ||
511 | { | ||
512 | GSList *list; | ||
513 | int x,y,pixel_x,pixel_y; | ||
514 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; | ||
515 | int map_x0, map_y0; | ||
516 | OsmGpsMapPrivate *priv = map->priv; | ||
517 | |||
518 | map_x0 = priv->map_x - EXTRA_BORDER; | ||
519 | map_y0 = priv->map_y - EXTRA_BORDER; | ||
520 | for(list = priv->images; list != NULL; list = list->next) | ||
521 | { | ||
522 | image_t *im = list->data; | ||
523 | |||
524 | // pixel_x,y, offsets | ||
525 | pixel_x = lon2pixel(priv->map_zoom, im->pt.rlon); | ||
526 | pixel_y = lat2pixel(priv->map_zoom, im->pt.rlat); | ||
527 | |||
528 | g_debug("Image %dx%d @: %f,%f (%d,%d)", | ||
529 | im->w, im->h, | ||
530 | im->pt.rlat, im->pt.rlon, | ||
531 | pixel_x, pixel_y); | ||
532 | |||
533 | x = pixel_x - map_x0; | ||
534 | y = pixel_y - map_y0; | ||
535 | |||
536 | gdk_draw_pixbuf ( | ||
537 | priv->pixmap, | ||
538 | priv->gc_map, | ||
539 | im->image, | ||
540 | 0,0, | ||
541 | x-(im->w/2),y-(im->h/2), | ||
542 | im->w,im->h, | ||
543 | GDK_RGB_DITHER_NONE, 0, 0); | ||
544 | |||
545 | max_x = MAX(x+im->w,max_x); | ||
546 | min_x = MIN(x-im->w,min_x); | ||
547 | max_y = MAX(y+im->h,max_y); | ||
548 | min_y = MIN(y-im->h,min_y); | ||
549 | } | ||
550 | |||
551 | gtk_widget_queue_draw_area ( | ||
552 | GTK_WIDGET(map), | ||
553 | min_x + EXTRA_BORDER, min_y + EXTRA_BORDER, | ||
554 | max_x + EXTRA_BORDER, max_y + EXTRA_BORDER); | ||
555 | |||
556 | } | ||
557 | |||
558 | static void | ||
559 | osm_gps_map_draw_gps_point (OsmGpsMap *map) | ||
560 | { | ||
561 | OsmGpsMapPrivate *priv = map->priv; | ||
562 | |||
563 | //incase we get called before we have got a gps point | ||
564 | if (priv->gps_valid) { | ||
565 | int map_x0, map_y0; | ||
566 | int x, y; | ||
567 | int r = priv->ui_gps_point_inner_radius; | ||
568 | int r2 = priv->ui_gps_point_outer_radius; | ||
569 | harbaum | 55 | // int lw = priv->ui_gps_track_width; |
570 | harbaum | 32 | int mr = MAX(r,r2); |
571 | |||
572 | map_x0 = priv->map_x - EXTRA_BORDER; | ||
573 | map_y0 = priv->map_y - EXTRA_BORDER; | ||
574 | x = lon2pixel(priv->map_zoom, priv->gps->rlon) - map_x0; | ||
575 | y = lat2pixel(priv->map_zoom, priv->gps->rlat) - map_y0; | ||
576 | #ifdef USE_CAIRO | ||
577 | cairo_t *cr; | ||
578 | cairo_pattern_t *pat; | ||
579 | #else | ||
580 | GdkColor color; | ||
581 | GdkGC *marker; | ||
582 | #endif | ||
583 | |||
584 | #ifdef USE_CAIRO | ||
585 | cr = gdk_cairo_create(priv->pixmap); | ||
586 | |||
587 | // draw transparent area | ||
588 | if (r2 > 0) { | ||
589 | cairo_set_line_width (cr, 1.5); | ||
590 | cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 0.4); | ||
591 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); | ||
592 | cairo_fill (cr); | ||
593 | // draw transparent area border | ||
594 | cairo_set_source_rgba (cr, 0.55, 0.55, 0.55, 0.4); | ||
595 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); | ||
596 | cairo_stroke(cr); | ||
597 | } | ||
598 | |||
599 | // draw ball gradient | ||
600 | if (r > 0) { | ||
601 | pat = cairo_pattern_create_radial (x-(r/5), y-(r/5), (r/5), x, y, r); | ||
602 | cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1.0); | ||
603 | cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 1, 1.0); | ||
604 | cairo_set_source (cr, pat); | ||
605 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); | ||
606 | cairo_fill (cr); | ||
607 | cairo_pattern_destroy (pat); | ||
608 | // draw ball border | ||
609 | cairo_set_line_width (cr, 1.0); | ||
610 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); | ||
611 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); | ||
612 | cairo_stroke(cr); | ||
613 | } | ||
614 | |||
615 | cairo_destroy(cr); | ||
616 | gtk_widget_queue_draw_area (GTK_WIDGET(map), | ||
617 | x-mr, | ||
618 | y-mr, | ||
619 | mr*2, | ||
620 | mr*2); | ||
621 | #else | ||
622 | marker = gdk_gc_new(priv->pixmap); | ||
623 | color.red = 5000; | ||
624 | color.green = 5000; | ||
625 | color.blue = 55000; | ||
626 | gdk_gc_set_rgb_fg_color(marker, &color); | ||
627 | gdk_gc_set_line_attributes(marker, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); | ||
628 | |||
629 | if (r2 > 0) { | ||
630 | gdk_draw_arc (priv->pixmap, | ||
631 | marker, | ||
632 | FALSE, //filled | ||
633 | x-r2, y-r2, // x,y | ||
634 | r2*2,r2*2, // width, height | ||
635 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise | ||
636 | } | ||
637 | if (r > 0) { | ||
638 | gdk_draw_arc (priv->pixmap, | ||
639 | marker, | ||
640 | TRUE, //filled | ||
641 | x-r, y-r, // x,y | ||
642 | r*2,r*2, // width, height | ||
643 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise | ||
644 | } | ||
645 | |||
646 | g_object_unref(marker); | ||
647 | gtk_widget_queue_draw_area (GTK_WIDGET(map), | ||
648 | x-(mr+lw), | ||
649 | y-(mr+lw), | ||
650 | (mr*2)+lw+lw, | ||
651 | (mr*2)+lw+lw); | ||
652 | #endif | ||
653 | } | ||
654 | harbaum | 57 | } |
655 | |||
656 | /* most visual effects are hardcoded by now, but may be made */ | ||
657 | /* available via properties later */ | ||
658 | harbaum | 60 | #define BALLOON_AREA_WIDTH 290 |
659 | harbaum | 58 | #define BALLOON_AREA_HEIGHT 75 |
660 | |||
661 | harbaum | 57 | #define BALLOON_CORNER_RADIUS 20 |
662 | harbaum | 58 | #define BALLOON_BORDER (BALLOON_CORNER_RADIUS/4) |
663 | #define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) | ||
664 | #define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) | ||
665 | harbaum | 57 | #define BALLOON_TRANSPARENCY 0.8 |
666 | #define POINTER_HEIGHT 20 | ||
667 | #define POINTER_FOOT_WIDTH 20 | ||
668 | #define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) | ||
669 | #define BALLOON_SHADOW 5 | ||
670 | #define BALLOON_SHADOW_TRANSPARENCY 0.2 | ||
671 | |||
672 | harbaum | 58 | #define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS/3) |
673 | |||
674 | |||
675 | harbaum | 57 | /* draw the bubble shape. this is used twice, once for the shape and once */ |
676 | /* for the shadow */ | ||
677 | static void | ||
678 | osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, | ||
679 | gboolean bottom, int px, int py, int px0, int px1) { | ||
680 | |||
681 | cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); | ||
682 | cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + BALLOON_CORNER_RADIUS, y0); | ||
683 | if(!bottom) { | ||
684 | harbaum | 58 | /* insert top pointer */ |
685 | harbaum | 57 | cairo_line_to (cr, px1, y0); |
686 | cairo_line_to (cr, px, py); | ||
687 | cairo_line_to (cr, px0, y0); | ||
688 | } | ||
689 | |||
690 | cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); | ||
691 | cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + BALLOON_CORNER_RADIUS); | ||
692 | cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); | ||
693 | cairo_curve_to (cr, x1, y1, x1, y1, x1 - BALLOON_CORNER_RADIUS, y1); | ||
694 | if(bottom) { | ||
695 | harbaum | 58 | /* insert bottom pointer */ |
696 | harbaum | 57 | cairo_line_to (cr, px0, y1); |
697 | cairo_line_to (cr, px, py); | ||
698 | cairo_line_to (cr, px1, y1); | ||
699 | } | ||
700 | |||
701 | cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); | ||
702 | cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - BALLOON_CORNER_RADIUS); | ||
703 | |||
704 | cairo_close_path (cr); | ||
705 | harbaum | 32 | } |
706 | |||
707 | static void | ||
708 | harbaum | 57 | osm_gps_map_draw_balloon_int (OsmGpsMap *map) |
709 | harbaum | 56 | { |
710 | OsmGpsMapPrivate *priv = map->priv; | ||
711 | |||
712 | harbaum | 58 | if (priv->balloon.valid) { |
713 | harbaum | 57 | |
714 | /* ------- convert given coordinate into screen position --------- */ | ||
715 | harbaum | 58 | int x0 = lon2pixel(priv->map_zoom, priv->balloon.coo->rlon) - |
716 | harbaum | 57 | priv->map_x + EXTRA_BORDER; |
717 | harbaum | 58 | int y0 = lat2pixel(priv->map_zoom, priv->balloon.coo->rlat) - |
718 | harbaum | 57 | priv->map_y + EXTRA_BORDER; |
719 | |||
720 | /* check position of this relative to screen center to determine */ | ||
721 | /* pointer direction ... */ | ||
722 | int pointer_x = x0, pointer_x0, pointer_x1; | ||
723 | int pointer_y = y0; | ||
724 | |||
725 | /* ... and calculate position */ | ||
726 | if((x0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.width/2) { | ||
727 | x0 -= BALLOON_WIDTH - POINTER_OFFSET; | ||
728 | pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); | ||
729 | pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; | ||
730 | } else { | ||
731 | x0 -= POINTER_OFFSET; | ||
732 | pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); | ||
733 | pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; | ||
734 | } | ||
735 | |||
736 | gboolean bottom = FALSE; | ||
737 | if((y0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.height/2) { | ||
738 | bottom = TRUE; | ||
739 | y0 -= BALLOON_HEIGHT + POINTER_HEIGHT; | ||
740 | } else | ||
741 | y0 += POINTER_HEIGHT; | ||
742 | |||
743 | /* calculate bottom/right of box */ | ||
744 | int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; | ||
745 | |||
746 | harbaum | 58 | /* save balloon screen coordinates for later use */ |
747 | priv->balloon.rect.x = x0 + BALLOON_BORDER; | ||
748 | priv->balloon.rect.y = y0 + BALLOON_BORDER; | ||
749 | priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; | ||
750 | priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; | ||
751 | |||
752 | harbaum | 56 | #ifdef USE_CAIRO |
753 | harbaum | 57 | cairo_t *cr = gdk_cairo_create(priv->pixmap); |
754 | harbaum | 56 | |
755 | harbaum | 57 | /* --------- draw shadow --------------- */ |
756 | osm_gps_map_draw_balloon_shape (cr, | ||
757 | x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, | ||
758 | x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, | ||
759 | bottom, pointer_x, pointer_y, | ||
760 | pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); | ||
761 | harbaum | 56 | |
762 | harbaum | 57 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
763 | cairo_fill_preserve (cr); | ||
764 | cairo_set_source_rgba (cr, 1, 0, 0, 1.0); | ||
765 | cairo_set_line_width (cr, 0); | ||
766 | cairo_stroke (cr); | ||
767 | harbaum | 56 | |
768 | harbaum | 57 | /* --------- draw main shape ----------- */ |
769 | osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, | ||
770 | bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); | ||
771 | |||
772 | cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); | ||
773 | cairo_fill_preserve (cr); | ||
774 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); | ||
775 | cairo_set_line_width (cr, 1); | ||
776 | cairo_stroke (cr); | ||
777 | harbaum | 56 | |
778 | |||
779 | harbaum | 57 | /* ---------- draw close button --------- */ |
780 | |||
781 | harbaum | 58 | int cx = x1 - BALLOON_BORDER - CLOSE_BUTTON_RADIUS; |
782 | int cy = y0 + BALLOON_BORDER + CLOSE_BUTTON_RADIUS; | ||
783 | int crad = CLOSE_BUTTON_RADIUS; | ||
784 | harbaum | 57 | |
785 | cairo_arc (cr, cx, cy, crad, 0, 2 * M_PI); | ||
786 | cairo_set_source_rgba (cr, 0.8, 0, 0, 1.0); | ||
787 | cairo_fill_preserve (cr); | ||
788 | cairo_set_source_rgba (cr, 0.3, 0, 0, 1.0); | ||
789 | harbaum | 58 | cairo_set_line_width (cr, 2); |
790 | harbaum | 57 | cairo_stroke(cr); |
791 | |||
792 | cairo_set_source_rgba (cr, 1, 1, 1, 1.0); | ||
793 | cairo_set_line_width (cr, 3); | ||
794 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); | ||
795 | harbaum | 58 | cairo_move_to (cr, cx - crad/2, cy - crad/2); |
796 | cairo_line_to (cr, cx + crad/2, cy + crad/2); | ||
797 | harbaum | 57 | cairo_stroke (cr); |
798 | harbaum | 58 | cairo_move_to (cr, cx + crad/2, cy - crad/2); |
799 | cairo_line_to (cr, cx - crad/2, cy + crad/2); | ||
800 | harbaum | 57 | cairo_stroke (cr); |
801 | |||
802 | harbaum | 58 | if (priv->balloon.cb) { |
803 | /* clip in case application tries to draw in */ | ||
804 | /* exceed of the balloon */ | ||
805 | cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, | ||
806 | priv->balloon.rect.w, priv->balloon.rect.h); | ||
807 | cairo_clip (cr); | ||
808 | cairo_new_path (cr); /* current path is not | ||
809 | consumed by cairo_clip() */ | ||
810 | |||
811 | priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); | ||
812 | } | ||
813 | harbaum | 57 | |
814 | harbaum | 61 | cairo_destroy(cr); |
815 | |||
816 | harbaum | 57 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
817 | x0, y0, BALLOON_WIDTH, | ||
818 | BALLOON_HEIGHT + POINTER_HEIGHT); | ||
819 | #else | ||
820 | #warning "Balloon display lacks a non-cairo implementation!" | ||
821 | harbaum | 56 | #endif |
822 | harbaum | 57 | } |
823 | harbaum | 56 | } |
824 | |||
825 | harbaum | 58 | /* the user clicked into the balloons main area. handle this */ |
826 | static void | ||
827 | osm_gps_map_handle_balloon_click(OsmGpsMap *map, gint x, gint y) | ||
828 | { | ||
829 | OsmGpsMapPrivate *priv = map->priv; | ||
830 | |||
831 | if (!priv->balloon.valid) | ||
832 | return; | ||
833 | |||
834 | /* check if the close button was clicked */ | ||
835 | if ((x > priv->balloon.rect.w - 2*CLOSE_BUTTON_RADIUS) && | ||
836 | (x < priv->balloon.rect.w) && | ||
837 | (y > 0) && (y < 2*CLOSE_BUTTON_RADIUS)) { | ||
838 | |||
839 | priv->balloon.valid = FALSE; | ||
840 | osm_gps_map_map_redraw_idle(map); | ||
841 | } | ||
842 | } | ||
843 | |||
844 | /* return true if balloon is being displayed and if */ | ||
845 | /* the given coordinate is within this balloon */ | ||
846 | static gboolean | ||
847 | osm_gps_map_in_balloon(OsmGpsMapPrivate *priv, gint x, gint y) | ||
848 | { | ||
849 | return (priv->balloon.valid && | ||
850 | (x > priv->balloon.rect.x) && | ||
851 | (x < priv->balloon.rect.x + priv->balloon.rect.w) && | ||
852 | (y > priv->balloon.rect.y) && | ||
853 | (y < priv->balloon.rect.y + priv->balloon.rect.h)); | ||
854 | } | ||
855 | |||
856 | harbaum | 56 | static void |
857 | harbaum | 32 | osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y) |
858 | { | ||
859 | OsmGpsMapPrivate *priv = map->priv; | ||
860 | |||
861 | harbaum | 55 | g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE); |
862 | harbaum | 32 | |
863 | /* draw pixbuf onto pixmap */ | ||
864 | gdk_draw_pixbuf (priv->pixmap, | ||
865 | priv->gc_map, | ||
866 | pixbuf, | ||
867 | 0,0, | ||
868 | offset_x,offset_y, | ||
869 | TILESIZE,TILESIZE, | ||
870 | GDK_RGB_DITHER_NONE, 0, 0); | ||
871 | } | ||
872 | |||
873 | /* libsoup-2.2 and libsoup-2.4 use different ways to store the body data */ | ||
874 | #ifdef LIBSOUP22 | ||
875 | #define soup_message_headers_append(a,b,c) soup_message_add_header(a,b,c) | ||
876 | #define MSG_RESPONSE_BODY(a) ((a)->response.body) | ||
877 | #define MSG_RESPONSE_LEN(a) ((a)->response.length) | ||
878 | #define MSG_RESPONSE_LEN_FORMAT "%u" | ||
879 | #else | ||
880 | #define MSG_RESPONSE_BODY(a) ((a)->response_body->data) | ||
881 | #define MSG_RESPONSE_LEN(a) ((a)->response_body->length) | ||
882 | #define MSG_RESPONSE_LEN_FORMAT "%lld" | ||
883 | #endif | ||
884 | |||
885 | #ifdef LIBSOUP22 | ||
886 | static void | ||
887 | osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data) | ||
888 | #else | ||
889 | static void | ||
890 | osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data) | ||
891 | #endif | ||
892 | { | ||
893 | harbaum | 55 | FILE *file; |
894 | harbaum | 32 | tile_download_t *dl = (tile_download_t *)user_data; |
895 | OsmGpsMap *map = OSM_GPS_MAP(dl->map); | ||
896 | OsmGpsMapPrivate *priv = map->priv; | ||
897 | gboolean file_saved = FALSE; | ||
898 | |||
899 | if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) | ||
900 | { | ||
901 | /* save tile into cachedir if one has been specified */ | ||
902 | if (priv->cache_dir) | ||
903 | { | ||
904 | if (g_mkdir_with_parents(dl->folder,0700) == 0) | ||
905 | { | ||
906 | harbaum | 55 | file = g_fopen(dl->filename, "wb"); |
907 | if (file != NULL) | ||
908 | harbaum | 32 | { |
909 | harbaum | 55 | fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file); |
910 | harbaum | 32 | file_saved = TRUE; |
911 | harbaum | 55 | g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename); |
912 | fclose (file); | ||
913 | harbaum | 32 | |
914 | } | ||
915 | } | ||
916 | else | ||
917 | { | ||
918 | g_warning("Error creating tile download directory: %s", dl->folder); | ||
919 | } | ||
920 | } | ||
921 | |||
922 | if (dl->redraw) | ||
923 | { | ||
924 | GdkPixbuf *pixbuf = NULL; | ||
925 | |||
926 | harbaum | 55 | /* if the file was actually stored on disk, we can simply */ |
927 | /* load and decode it from that file */ | ||
928 | harbaum | 32 | if (priv->cache_dir) |
929 | { | ||
930 | if (file_saved) | ||
931 | { | ||
932 | pixbuf = gdk_pixbuf_new_from_file (dl->filename, NULL); | ||
933 | } | ||
934 | } | ||
935 | else | ||
936 | { | ||
937 | GdkPixbufLoader *loader; | ||
938 | char *extension = strrchr (dl->filename, '.'); | ||
939 | |||
940 | /* parse file directly from memory */ | ||
941 | if (extension) | ||
942 | { | ||
943 | loader = gdk_pixbuf_loader_new_with_type (extension+1, NULL); | ||
944 | if (!gdk_pixbuf_loader_write (loader, (unsigned char*)MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg), NULL)) | ||
945 | { | ||
946 | g_warning("Error: Decoding of image failed"); | ||
947 | } | ||
948 | gdk_pixbuf_loader_close(loader, NULL); | ||
949 | |||
950 | pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); | ||
951 | |||
952 | /* give up loader but keep the pixbuf */ | ||
953 | g_object_ref(pixbuf); | ||
954 | g_object_unref(loader); | ||
955 | } | ||
956 | else | ||
957 | { | ||
958 | g_warning("Error: Unable to determine image file format"); | ||
959 | } | ||
960 | } | ||
961 | harbaum | 55 | |
962 | harbaum | 32 | /* Store the tile into the cache */ |
963 | if (G_LIKELY (pixbuf)) | ||
964 | { | ||
965 | OsmCachedTile *tile = g_slice_new (OsmCachedTile); | ||
966 | tile->pixbuf = pixbuf; | ||
967 | tile->redraw_cycle = priv->redraw_cycle; | ||
968 | /* if the tile is already in the cache (it could be one | ||
969 | * rendered from another zoom level), it will be | ||
970 | * overwritten */ | ||
971 | g_hash_table_insert (priv->tile_cache, dl->filename, tile); | ||
972 | /* NULL-ify dl->filename so that it won't be freed, as | ||
973 | * we are using it as a key in the hash table */ | ||
974 | dl->filename = NULL; | ||
975 | } | ||
976 | osm_gps_map_map_redraw_idle (map); | ||
977 | } | ||
978 | g_hash_table_remove(priv->tile_queue, dl->uri); | ||
979 | |||
980 | g_free(dl->uri); | ||
981 | g_free(dl->folder); | ||
982 | g_free(dl->filename); | ||
983 | g_free(dl); | ||
984 | } | ||
985 | else | ||
986 | { | ||
987 | g_warning("Error downloading tile: %d - %s", msg->status_code, msg->reason_phrase); | ||
988 | if (msg->status_code == SOUP_STATUS_NOT_FOUND) | ||
989 | { | ||
990 | g_hash_table_insert(priv->missing_tiles, dl->uri, NULL); | ||
991 | g_hash_table_remove(priv->tile_queue, dl->uri); | ||
992 | } | ||
993 | else if (msg->status_code == SOUP_STATUS_CANCELLED) | ||
994 | { | ||
995 | ;//application exiting | ||
996 | } | ||
997 | else | ||
998 | { | ||
999 | #ifdef LIBSOUP22 | ||
1000 | soup_session_requeue_message(dl->session, msg); | ||
1001 | #else | ||
1002 | soup_session_requeue_message(session, msg); | ||
1003 | #endif | ||
1004 | return; | ||
1005 | } | ||
1006 | } | ||
1007 | |||
1008 | |||
1009 | } | ||
1010 | |||
1011 | static void | ||
1012 | osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw) | ||
1013 | { | ||
1014 | SoupMessage *msg; | ||
1015 | OsmGpsMapPrivate *priv = map->priv; | ||
1016 | tile_download_t *dl = g_new0(tile_download_t,1); | ||
1017 | |||
1018 | //calculate the uri to download | ||
1019 | dl->uri = replace_map_uri(map, priv->repo_uri, zoom, x, y); | ||
1020 | |||
1021 | #ifdef LIBSOUP22 | ||
1022 | dl->session = priv->soup_session; | ||
1023 | #endif | ||
1024 | |||
1025 | //check the tile has not already been queued for download, | ||
1026 | //or has been attempted, and its missing | ||
1027 | if (g_hash_table_lookup_extended(priv->tile_queue, dl->uri, NULL, NULL) || | ||
1028 | g_hash_table_lookup_extended(priv->missing_tiles, dl->uri, NULL, NULL) ) | ||
1029 | { | ||
1030 | g_debug("Tile already downloading (or missing)"); | ||
1031 | g_free(dl->uri); | ||
1032 | g_free(dl); | ||
1033 | } else { | ||
1034 | harbaum | 55 | dl->folder = g_strdup_printf("%s%c%d%c%d%c", |
1035 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1036 | zoom, G_DIR_SEPARATOR, | ||
1037 | x, G_DIR_SEPARATOR); | ||
1038 | dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", | ||
1039 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1040 | zoom, G_DIR_SEPARATOR, | ||
1041 | x, G_DIR_SEPARATOR, | ||
1042 | y, | ||
1043 | priv->image_format); | ||
1044 | harbaum | 32 | dl->map = map; |
1045 | dl->redraw = redraw; | ||
1046 | |||
1047 | g_debug("Download tile: %d,%d z:%d\n\t%s --> %s", x, y, zoom, dl->uri, dl->filename); | ||
1048 | |||
1049 | msg = soup_message_new (SOUP_METHOD_GET, dl->uri); | ||
1050 | if (msg) { | ||
1051 | if (priv->the_google) { | ||
1052 | //Set maps.google.com as the referrer | ||
1053 | g_debug("Setting Google Referrer"); | ||
1054 | soup_message_headers_append(msg->request_headers, "Referer", "http://maps.google.com/"); | ||
1055 | //For google satelite also set the appropriate cookie value | ||
1056 | if (priv->uri_format & URI_HAS_Q) { | ||
1057 | const char *cookie = g_getenv("GOOGLE_COOKIE"); | ||
1058 | if (cookie) { | ||
1059 | g_debug("Adding Google Cookie"); | ||
1060 | soup_message_headers_append(msg->request_headers, "Cookie", cookie); | ||
1061 | } | ||
1062 | } | ||
1063 | } | ||
1064 | |||
1065 | g_hash_table_insert (priv->tile_queue, dl->uri, msg); | ||
1066 | soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl); | ||
1067 | } else { | ||
1068 | g_warning("Could not create soup message"); | ||
1069 | g_free(dl->uri); | ||
1070 | g_free(dl->folder); | ||
1071 | g_free(dl->filename); | ||
1072 | g_free(dl); | ||
1073 | } | ||
1074 | } | ||
1075 | } | ||
1076 | |||
1077 | static GdkPixbuf * | ||
1078 | osm_gps_map_load_cached_tile (OsmGpsMap *map, int zoom, int x, int y) | ||
1079 | { | ||
1080 | OsmGpsMapPrivate *priv = map->priv; | ||
1081 | gchar *filename; | ||
1082 | harbaum | 55 | GdkPixbuf *pixbuf = NULL; |
1083 | harbaum | 32 | OsmCachedTile *tile; |
1084 | |||
1085 | harbaum | 55 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1086 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1087 | zoom, G_DIR_SEPARATOR, | ||
1088 | x, G_DIR_SEPARATOR, | ||
1089 | y, | ||
1090 | priv->image_format); | ||
1091 | harbaum | 32 | |
1092 | tile = g_hash_table_lookup (priv->tile_cache, filename); | ||
1093 | if (tile) | ||
1094 | { | ||
1095 | g_free (filename); | ||
1096 | } | ||
1097 | harbaum | 55 | else |
1098 | harbaum | 32 | { |
1099 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); | ||
1100 | if (pixbuf) | ||
1101 | { | ||
1102 | tile = g_slice_new (OsmCachedTile); | ||
1103 | tile->pixbuf = pixbuf; | ||
1104 | g_hash_table_insert (priv->tile_cache, filename, tile); | ||
1105 | } | ||
1106 | } | ||
1107 | |||
1108 | /* set/update the redraw_cycle timestamp on the tile */ | ||
1109 | if (tile) | ||
1110 | { | ||
1111 | tile->redraw_cycle = priv->redraw_cycle; | ||
1112 | pixbuf = g_object_ref (tile->pixbuf); | ||
1113 | harbaum | 55 | } |
1114 | harbaum | 32 | |
1115 | return pixbuf; | ||
1116 | } | ||
1117 | |||
1118 | static GdkPixbuf * | ||
1119 | osm_gps_map_find_bigger_tile (OsmGpsMap *map, int zoom, int x, int y, | ||
1120 | int *zoom_found) | ||
1121 | { | ||
1122 | GdkPixbuf *pixbuf; | ||
1123 | int next_zoom, next_x, next_y; | ||
1124 | |||
1125 | if (zoom == 0) return NULL; | ||
1126 | next_zoom = zoom - 1; | ||
1127 | next_x = x / 2; | ||
1128 | next_y = y / 2; | ||
1129 | pixbuf = osm_gps_map_load_cached_tile (map, next_zoom, next_x, next_y); | ||
1130 | if (pixbuf) | ||
1131 | *zoom_found = next_zoom; | ||
1132 | else | ||
1133 | pixbuf = osm_gps_map_find_bigger_tile (map, next_zoom, next_x, next_y, | ||
1134 | zoom_found); | ||
1135 | return pixbuf; | ||
1136 | } | ||
1137 | |||
1138 | static GdkPixbuf * | ||
1139 | osm_gps_map_render_missing_tile_upscaled (OsmGpsMap *map, int zoom, | ||
1140 | int x, int y) | ||
1141 | { | ||
1142 | GdkPixbuf *pixbuf, *big, *area; | ||
1143 | int zoom_big, zoom_diff, area_size, area_x, area_y; | ||
1144 | int modulo; | ||
1145 | |||
1146 | big = osm_gps_map_find_bigger_tile (map, zoom, x, y, &zoom_big); | ||
1147 | if (!big) return NULL; | ||
1148 | |||
1149 | g_debug ("Found bigger tile (zoom = %d, wanted = %d)", zoom_big, zoom); | ||
1150 | |||
1151 | /* get a Pixbuf for the area to magnify */ | ||
1152 | zoom_diff = zoom - zoom_big; | ||
1153 | area_size = TILESIZE >> zoom_diff; | ||
1154 | modulo = 1 << zoom_diff; | ||
1155 | area_x = (x % modulo) * area_size; | ||
1156 | area_y = (y % modulo) * area_size; | ||
1157 | area = gdk_pixbuf_new_subpixbuf (big, area_x, area_y, | ||
1158 | area_size, area_size); | ||
1159 | g_object_unref (big); | ||
1160 | pixbuf = gdk_pixbuf_scale_simple (area, TILESIZE, TILESIZE, | ||
1161 | GDK_INTERP_NEAREST); | ||
1162 | g_object_unref (area); | ||
1163 | return pixbuf; | ||
1164 | } | ||
1165 | |||
1166 | static GdkPixbuf * | ||
1167 | osm_gps_map_render_missing_tile (OsmGpsMap *map, int zoom, int x, int y) | ||
1168 | { | ||
1169 | /* maybe TODO: render from downscaled tiles, if the following fails */ | ||
1170 | return osm_gps_map_render_missing_tile_upscaled (map, zoom, x, y); | ||
1171 | } | ||
1172 | |||
1173 | static void | ||
1174 | osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y) | ||
1175 | { | ||
1176 | OsmGpsMapPrivate *priv = map->priv; | ||
1177 | harbaum | 55 | gchar *filename; |
1178 | harbaum | 32 | GdkPixbuf *pixbuf; |
1179 | |||
1180 | g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom); | ||
1181 | |||
1182 | harbaum | 55 | if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) { |
1183 | osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y); | ||
1184 | return; | ||
1185 | } | ||
1186 | harbaum | 32 | |
1187 | harbaum | 55 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1188 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1189 | zoom, G_DIR_SEPARATOR, | ||
1190 | x, G_DIR_SEPARATOR, | ||
1191 | y, | ||
1192 | priv->image_format); | ||
1193 | |||
1194 | /* try to get file from internal cache first */ | ||
1195 | if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y))) | ||
1196 | harbaum | 32 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1197 | |||
1198 | harbaum | 55 | if(pixbuf) |
1199 | harbaum | 32 | { |
1200 | harbaum | 55 | g_debug("Found tile %s", filename); |
1201 | harbaum | 32 | osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y); |
1202 | g_object_unref (pixbuf); | ||
1203 | } | ||
1204 | else | ||
1205 | { | ||
1206 | if (priv->map_auto_download) | ||
1207 | osm_gps_map_download_tile(map, zoom, x, y, TRUE); | ||
1208 | |||
1209 | /* try to render the tile by scaling cached tiles from other zoom | ||
1210 | * levels */ | ||
1211 | pixbuf = osm_gps_map_render_missing_tile (map, zoom, x, y); | ||
1212 | if (pixbuf) | ||
1213 | { | ||
1214 | gdk_draw_pixbuf (priv->pixmap, | ||
1215 | priv->gc_map, | ||
1216 | pixbuf, | ||
1217 | 0,0, | ||
1218 | offset_x,offset_y, | ||
1219 | TILESIZE,TILESIZE, | ||
1220 | GDK_RGB_DITHER_NONE, 0, 0); | ||
1221 | g_object_unref (pixbuf); | ||
1222 | } | ||
1223 | else | ||
1224 | { | ||
1225 | //prevent some artifacts when drawing not yet loaded areas. | ||
1226 | gdk_draw_rectangle (priv->pixmap, | ||
1227 | GTK_WIDGET(map)->style->white_gc, | ||
1228 | TRUE, offset_x, offset_y, TILESIZE, TILESIZE); | ||
1229 | } | ||
1230 | } | ||
1231 | harbaum | 55 | g_free(filename); |
1232 | harbaum | 32 | } |
1233 | |||
1234 | static void | ||
1235 | osm_gps_map_fill_tiles_pixel (OsmGpsMap *map) | ||
1236 | { | ||
1237 | OsmGpsMapPrivate *priv = map->priv; | ||
1238 | int i,j, width, height, tile_x0, tile_y0, tiles_nx, tiles_ny; | ||
1239 | int offset_xn = 0; | ||
1240 | int offset_yn = 0; | ||
1241 | int offset_x; | ||
1242 | int offset_y; | ||
1243 | |||
1244 | g_debug("Fill tiles: %d,%d z:%d", priv->map_x, priv->map_y, priv->map_zoom); | ||
1245 | |||
1246 | offset_x = - priv->map_x % TILESIZE; | ||
1247 | offset_y = - priv->map_y % TILESIZE; | ||
1248 | if (offset_x > 0) offset_x -= TILESIZE; | ||
1249 | if (offset_y > 0) offset_y -= TILESIZE; | ||
1250 | |||
1251 | offset_xn = offset_x + EXTRA_BORDER; | ||
1252 | offset_yn = offset_y + EXTRA_BORDER; | ||
1253 | |||
1254 | width = GTK_WIDGET(map)->allocation.width; | ||
1255 | height = GTK_WIDGET(map)->allocation.height; | ||
1256 | |||
1257 | tiles_nx = (width - offset_x) / TILESIZE + 1; | ||
1258 | tiles_ny = (height - offset_y) / TILESIZE + 1; | ||
1259 | |||
1260 | tile_x0 = floor((float)priv->map_x / (float)TILESIZE); | ||
1261 | tile_y0 = floor((float)priv->map_y / (float)TILESIZE); | ||
1262 | |||
1263 | //TODO: implement wrap around | ||
1264 | for (i=tile_x0; i<(tile_x0+tiles_nx);i++) | ||
1265 | { | ||
1266 | for (j=tile_y0; j<(tile_y0+tiles_ny); j++) | ||
1267 | { | ||
1268 | if( j<0 || i<0 || i>=exp(priv->map_zoom * M_LN2) || j>=exp(priv->map_zoom * M_LN2)) | ||
1269 | { | ||
1270 | gdk_draw_rectangle (priv->pixmap, | ||
1271 | GTK_WIDGET(map)->style->white_gc, | ||
1272 | TRUE, | ||
1273 | offset_xn, offset_yn, | ||
1274 | TILESIZE,TILESIZE); | ||
1275 | } | ||
1276 | else | ||
1277 | { | ||
1278 | osm_gps_map_load_tile(map, | ||
1279 | priv->map_zoom, | ||
1280 | i,j, | ||
1281 | offset_xn,offset_yn); | ||
1282 | } | ||
1283 | offset_yn += TILESIZE; | ||
1284 | } | ||
1285 | offset_xn += TILESIZE; | ||
1286 | offset_yn = offset_y + EXTRA_BORDER; | ||
1287 | } | ||
1288 | } | ||
1289 | |||
1290 | static void | ||
1291 | osm_gps_map_print_track (OsmGpsMap *map, GSList *trackpoint_list) | ||
1292 | { | ||
1293 | OsmGpsMapPrivate *priv = map->priv; | ||
1294 | |||
1295 | GSList *list; | ||
1296 | int x,y; | ||
1297 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; | ||
1298 | int lw = priv->ui_gps_track_width; | ||
1299 | int map_x0, map_y0; | ||
1300 | #ifdef USE_CAIRO | ||
1301 | cairo_t *cr; | ||
1302 | #else | ||
1303 | int last_x = 0, last_y = 0; | ||
1304 | GdkColor color; | ||
1305 | GdkGC *gc; | ||
1306 | #endif | ||
1307 | |||
1308 | #ifdef USE_CAIRO | ||
1309 | cr = gdk_cairo_create(priv->pixmap); | ||
1310 | cairo_set_line_width (cr, lw); | ||
1311 | cairo_set_source_rgba (cr, 60000.0/65535.0, 0.0, 0.0, 0.6); | ||
1312 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); | ||
1313 | cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); | ||
1314 | #else | ||
1315 | gc = gdk_gc_new(priv->pixmap); | ||
1316 | color.green = 0; | ||
1317 | color.blue = 0; | ||
1318 | color.red = 60000; | ||
1319 | gdk_gc_set_rgb_fg_color(gc, &color); | ||
1320 | gdk_gc_set_line_attributes(gc, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); | ||
1321 | #endif | ||
1322 | |||
1323 | map_x0 = priv->map_x - EXTRA_BORDER; | ||
1324 | map_y0 = priv->map_y - EXTRA_BORDER; | ||
1325 | for(list = trackpoint_list; list != NULL; list = list->next) | ||
1326 | { | ||
1327 | coord_t *tp = list->data; | ||
1328 | |||
1329 | x = lon2pixel(priv->map_zoom, tp->rlon) - map_x0; | ||
1330 | y = lat2pixel(priv->map_zoom, tp->rlat) - map_y0; | ||
1331 | |||
1332 | // first time through loop | ||
1333 | if (list == trackpoint_list) { | ||
1334 | #ifdef USE_CAIRO | ||
1335 | cairo_move_to(cr, x, y); | ||
1336 | #else | ||
1337 | last_x = x; | ||
1338 | last_y = y; | ||
1339 | #endif | ||
1340 | } | ||
1341 | |||
1342 | #ifdef USE_CAIRO | ||
1343 | cairo_line_to(cr, x, y); | ||
1344 | #else | ||
1345 | gdk_draw_line (priv->pixmap, gc, x, y, last_x, last_y); | ||
1346 | last_x = x; | ||
1347 | last_y = y; | ||
1348 | #endif | ||
1349 | |||
1350 | max_x = MAX(x,max_x); | ||
1351 | min_x = MIN(x,min_x); | ||
1352 | max_y = MAX(y,max_y); | ||
1353 | min_y = MIN(y,min_y); | ||
1354 | } | ||
1355 | |||
1356 | gtk_widget_queue_draw_area ( | ||
1357 | GTK_WIDGET(map), | ||
1358 | min_x - lw, | ||
1359 | min_y - lw, | ||
1360 | max_x + (lw * 2), | ||
1361 | max_y + (lw * 2)); | ||
1362 | |||
1363 | #ifdef USE_CAIRO | ||
1364 | cairo_stroke(cr); | ||
1365 | cairo_destroy(cr); | ||
1366 | #else | ||
1367 | g_object_unref(gc); | ||
1368 | #endif | ||
1369 | } | ||
1370 | |||
1371 | /* Prints the gps trip history, and any other tracks */ | ||
1372 | static void | ||
1373 | osm_gps_map_print_tracks (OsmGpsMap *map) | ||
1374 | { | ||
1375 | OsmGpsMapPrivate *priv = map->priv; | ||
1376 | |||
1377 | if (priv->show_trip_history) | ||
1378 | osm_gps_map_print_track (map, priv->trip_history); | ||
1379 | harbaum | 55 | |
1380 | harbaum | 32 | if (priv->tracks) |
1381 | { | ||
1382 | GSList* tmp = priv->tracks; | ||
1383 | while (tmp != NULL) | ||
1384 | { | ||
1385 | osm_gps_map_print_track (map, tmp->data); | ||
1386 | tmp = g_slist_next(tmp); | ||
1387 | } | ||
1388 | } | ||
1389 | } | ||
1390 | |||
1391 | harbaum | 55 | static gboolean |
1392 | osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user) | ||
1393 | harbaum | 32 | { |
1394 | harbaum | 55 | return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle); |
1395 | harbaum | 32 | } |
1396 | |||
1397 | static void | ||
1398 | osm_gps_map_purge_cache (OsmGpsMap *map) | ||
1399 | { | ||
1400 | harbaum | 55 | OsmGpsMapPrivate *priv = map->priv; |
1401 | harbaum | 32 | |
1402 | harbaum | 55 | if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size) |
1403 | return; | ||
1404 | harbaum | 32 | |
1405 | harbaum | 55 | /* run through the cache, and remove the tiles which have not been used |
1406 | * during the last redraw operation */ | ||
1407 | g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv); | ||
1408 | harbaum | 32 | } |
1409 | |||
1410 | harbaum | 61 | #ifdef ENABLE_OSD |
1411 | /* position and extent of bounding box */ | ||
1412 | #define OSD_X (10) | ||
1413 | #define OSD_Y (10) | ||
1414 | #define OSD_W (80+5) | ||
1415 | #define OSD_H (120+5) | ||
1416 | |||
1417 | static void | ||
1418 | osm_gps_map_draw_osd_controls (OsmGpsMap *map, gint xoffset, gint yoffset) | ||
1419 | { | ||
1420 | /* xyz */ | ||
1421 | OsmGpsMapPrivate *priv = map->priv; | ||
1422 | |||
1423 | /* backup previous contents */ | ||
1424 | if(!priv->osd.backup) | ||
1425 | priv->osd.backup = gdk_pixmap_new(priv->pixmap, OSD_W, OSD_H, -1); | ||
1426 | |||
1427 | gint x = OSD_X + EXTRA_BORDER + xoffset; | ||
1428 | gint y = OSD_Y + EXTRA_BORDER + yoffset; | ||
1429 | |||
1430 | /* create backup of background */ | ||
1431 | gdk_draw_drawable(priv->osd.backup, | ||
1432 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], | ||
1433 | priv->pixmap, x, y, 0, 0, OSD_W, OSD_H); | ||
1434 | priv->osd.backup_x = x; | ||
1435 | priv->osd.backup_y = y; | ||
1436 | |||
1437 | #if 0 | ||
1438 | /* create pixbuf for osd */ | ||
1439 | if(!priv->osd.pixbuf) | ||
1440 | priv->osd.pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, | ||
1441 | TRUE, 8, OSD_W, OSD_H); | ||
1442 | cairo_surface_t *surface = | ||
1443 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W, OSD_H); | ||
1444 | |||
1445 | /* fill with transparency */ | ||
1446 | { | ||
1447 | cairo_t *cr = cairo_create(surface); | ||
1448 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); | ||
1449 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
1450 | cairo_paint(cr); | ||
1451 | cairo_destroy(cr); | ||
1452 | } | ||
1453 | #endif | ||
1454 | |||
1455 | |||
1456 | #ifdef USE_CAIRO | ||
1457 | // cairo_t *cr = cairo_create(surface); | ||
1458 | cairo_t *cr = gdk_cairo_create(priv->pixmap); | ||
1459 | |||
1460 | #define RAD 40 | ||
1461 | #define TIP 35 | ||
1462 | #define LEN 15 | ||
1463 | #define WID 15 | ||
1464 | |||
1465 | /* --------- the direction "pad" shape and shadow ----------- */ | ||
1466 | cairo_arc (cr, x+RAD+5, y+RAD+5, RAD, 0, 2 * M_PI); | ||
1467 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); | ||
1468 | cairo_fill (cr); | ||
1469 | cairo_stroke (cr); | ||
1470 | |||
1471 | cairo_arc (cr, x+RAD, y+RAD, RAD, 0, 2 * M_PI); | ||
1472 | cairo_set_source_rgb (cr, 1, 1, 1); | ||
1473 | cairo_fill_preserve (cr); | ||
1474 | cairo_set_source_rgb (cr, 0.6, 0.6, 1); | ||
1475 | cairo_set_line_width (cr, 1); | ||
1476 | cairo_stroke (cr); | ||
1477 | |||
1478 | /* ---------- the zoom pad shape and shadow -------------- */ | ||
1479 | cairo_move_to (cr, x, y+2*RAD); | ||
1480 | cairo_line_to (cr, x+2*RAD-10, y+2*RAD); | ||
1481 | cairo_curve_to (cr, x+2*RAD, y+2*RAD, | ||
1482 | x+2*RAD, y+3*RAD, | ||
1483 | x+2*RAD-10, y+3*RAD); | ||
1484 | cairo_close_path (cr); | ||
1485 | |||
1486 | |||
1487 | cairo_set_source_rgba (cr, 1, 1, 1, 1.0); | ||
1488 | cairo_fill (cr); | ||
1489 | cairo_stroke (cr); | ||
1490 | |||
1491 | |||
1492 | /* left arrow/triangle */ | ||
1493 | cairo_move_to (cr, x+RAD-TIP, y+RAD); | ||
1494 | cairo_rel_line_to (cr, +LEN, -WID/2); | ||
1495 | cairo_rel_line_to (cr, 0, +WID); | ||
1496 | cairo_rel_line_to (cr, -LEN, -WID/2); | ||
1497 | cairo_close_path (cr); | ||
1498 | |||
1499 | /* right arrow/triangle */ | ||
1500 | cairo_move_to (cr, x+RAD+TIP, y+RAD); | ||
1501 | cairo_rel_line_to (cr, -LEN, -WID/2); | ||
1502 | cairo_rel_line_to (cr, 0, +WID); | ||
1503 | cairo_rel_line_to (cr, +LEN, -WID/2); | ||
1504 | cairo_close_path (cr); | ||
1505 | |||
1506 | /* top arrow/triangle */ | ||
1507 | cairo_move_to (cr, x+RAD, y+RAD-TIP); | ||
1508 | cairo_rel_line_to (cr, -WID/2, +LEN); | ||
1509 | cairo_rel_line_to (cr, +WID, 0); | ||
1510 | cairo_rel_line_to (cr, -WID/2, -LEN); | ||
1511 | cairo_close_path (cr); | ||
1512 | |||
1513 | /* bottom arrow/triangle */ | ||
1514 | cairo_move_to (cr, x+RAD, y+RAD+TIP); | ||
1515 | cairo_rel_line_to (cr, -WID/2, -LEN); | ||
1516 | cairo_rel_line_to (cr, +WID, 0); | ||
1517 | cairo_rel_line_to (cr, -WID/2, +LEN); | ||
1518 | cairo_close_path (cr); | ||
1519 | |||
1520 | cairo_set_source_rgb (cr, 0.6, 0.6, 1); | ||
1521 | cairo_fill_preserve (cr); | ||
1522 | cairo_set_line_width (cr, 0); | ||
1523 | cairo_set_source_rgba (cr, 0, 0, 0, 1); | ||
1524 | cairo_stroke (cr); | ||
1525 | |||
1526 | |||
1527 | cairo_destroy(cr); | ||
1528 | |||
1529 | #else | ||
1530 | #warning "OSD control display lacks a non-cairo implementation!" | ||
1531 | #endif | ||
1532 | } | ||
1533 | |||
1534 | static void | ||
1535 | osm_gps_map_osd_restore (OsmGpsMap *map) | ||
1536 | { | ||
1537 | OsmGpsMapPrivate *priv = map->priv; | ||
1538 | |||
1539 | /* restore backup of previous contents */ | ||
1540 | if(priv->osd.backup) { | ||
1541 | /* create backup of background */ | ||
1542 | gdk_draw_drawable(priv->pixmap, | ||
1543 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], | ||
1544 | priv->osd.backup, 0, 0, | ||
1545 | priv->osd.backup_x, priv->osd.backup_y, OSD_W, OSD_H); | ||
1546 | } | ||
1547 | } | ||
1548 | |||
1549 | #endif | ||
1550 | |||
1551 | harbaum | 32 | static gboolean |
1552 | osm_gps_map_map_redraw (OsmGpsMap *map) | ||
1553 | { | ||
1554 | OsmGpsMapPrivate *priv = map->priv; | ||
1555 | |||
1556 | priv->idle_map_redraw = 0; | ||
1557 | |||
1558 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we | ||
1559 | * change it while we are dragging, we will end up showing it in the wrong | ||
1560 | * place. This could be fixed by carefully recompute the coordinates, but | ||
1561 | * for now it's easier just to disable redrawing the map while dragging */ | ||
1562 | if (priv->dragging) | ||
1563 | return FALSE; | ||
1564 | |||
1565 | priv->redraw_cycle++; | ||
1566 | |||
1567 | /* draw white background to initialise pixmap */ | ||
1568 | gdk_draw_rectangle ( | ||
1569 | priv->pixmap, | ||
1570 | GTK_WIDGET(map)->style->white_gc, | ||
1571 | TRUE, | ||
1572 | 0, 0, | ||
1573 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, | ||
1574 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); | ||
1575 | |||
1576 | osm_gps_map_fill_tiles_pixel(map); | ||
1577 | |||
1578 | osm_gps_map_print_tracks(map); | ||
1579 | osm_gps_map_draw_gps_point(map); | ||
1580 | osm_gps_map_print_images(map); | ||
1581 | harbaum | 57 | osm_gps_map_draw_balloon_int(map); |
1582 | harbaum | 61 | #ifdef ENABLE_OSD |
1583 | osm_gps_map_draw_osd_controls(map, 0, 0); | ||
1584 | #endif | ||
1585 | harbaum | 32 | |
1586 | //osm_gps_map_osd_speed(map, 1.5); | ||
1587 | osm_gps_map_purge_cache(map); | ||
1588 | gtk_widget_queue_draw (GTK_WIDGET (map)); | ||
1589 | |||
1590 | return FALSE; | ||
1591 | } | ||
1592 | |||
1593 | static void | ||
1594 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) | ||
1595 | { | ||
1596 | OsmGpsMapPrivate *priv = map->priv; | ||
1597 | |||
1598 | if (priv->idle_map_redraw == 0) | ||
1599 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); | ||
1600 | } | ||
1601 | |||
1602 | static void | ||
1603 | osm_gps_map_init (OsmGpsMap *object) | ||
1604 | { | ||
1605 | OsmGpsMapPrivate *priv; | ||
1606 | |||
1607 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); | ||
1608 | object->priv = priv; | ||
1609 | |||
1610 | priv->pixmap = NULL; | ||
1611 | |||
1612 | priv->trip_history = NULL; | ||
1613 | priv->gps = g_new0(coord_t, 1); | ||
1614 | priv->gps_valid = FALSE; | ||
1615 | |||
1616 | harbaum | 58 | priv->balloon.coo = g_new0(coord_t, 1); |
1617 | priv->balloon.valid = FALSE; | ||
1618 | priv->balloon.cb = NULL; | ||
1619 | harbaum | 57 | |
1620 | harbaum | 61 | #ifdef ENABLE_OSD |
1621 | priv->osd.backup = NULL; | ||
1622 | #endif | ||
1623 | |||
1624 | harbaum | 32 | priv->tracks = NULL; |
1625 | priv->images = NULL; | ||
1626 | |||
1627 | priv->drag_counter = 0; | ||
1628 | priv->drag_mouse_dx = 0; | ||
1629 | priv->drag_mouse_dy = 0; | ||
1630 | priv->drag_start_mouse_x = 0; | ||
1631 | priv->drag_start_mouse_y = 0; | ||
1632 | |||
1633 | priv->uri_format = 0; | ||
1634 | priv->the_google = FALSE; | ||
1635 | |||
1636 | harbaum | 55 | priv->map_source = -1; |
1637 | |||
1638 | harbaum | 32 | #ifndef LIBSOUP22 |
1639 | //Change naumber of concurrent connections option? | ||
1640 | priv->soup_session = soup_session_async_new_with_options( | ||
1641 | SOUP_SESSION_USER_AGENT, | ||
1642 | "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11", | ||
1643 | NULL); | ||
1644 | #else | ||
1645 | /* libsoup-2.2 seems not to be able to set the user agent */ | ||
1646 | priv->soup_session = soup_session_async_new(); | ||
1647 | #endif | ||
1648 | |||
1649 | //Hash table which maps tile d/l URIs to SoupMessage requests | ||
1650 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); | ||
1651 | |||
1652 | //Some mapping providers (Google) have varying degrees of tiles at multiple | ||
1653 | //zoom levels | ||
1654 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); | ||
1655 | |||
1656 | /* memory cache for most recently used tiles */ | ||
1657 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, | ||
1658 | g_free, (GDestroyNotify)cached_tile_free); | ||
1659 | priv->max_tile_cache_size = 20; | ||
1660 | |||
1661 | gtk_widget_add_events (GTK_WIDGET (object), | ||
1662 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | | ||
1663 | GDK_POINTER_MOTION_MASK | | ||
1664 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); | ||
1665 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); | ||
1666 | |||
1667 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); | ||
1668 | } | ||
1669 | |||
1670 | #ifndef G_CHECKSUM_MD5 | ||
1671 | /* simple hash algorithm hack if md5 is not present */ | ||
1672 | static char *simple_hash(char *str) { | ||
1673 | union { | ||
1674 | char str[4]; | ||
1675 | gulong val; | ||
1676 | } hash = { .val = 0x55555555 }; | ||
1677 | |||
1678 | while(*str) { | ||
1679 | hash.str[(int)str & 3] ^= *str; | ||
1680 | str++; | ||
1681 | } | ||
1682 | return g_strdup_printf("%08lX", hash.val); | ||
1683 | } | ||
1684 | #endif | ||
1685 | |||
1686 | static GObject * | ||
1687 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) | ||
1688 | { | ||
1689 | GObject *object; | ||
1690 | OsmGpsMapPrivate *priv; | ||
1691 | harbaum | 55 | OsmGpsMap *map; |
1692 | const char *uri; | ||
1693 | harbaum | 32 | |
1694 | //Always chain up to the parent constructor | ||
1695 | object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); | ||
1696 | harbaum | 55 | map = OSM_GPS_MAP(object); |
1697 | harbaum | 32 | priv = OSM_GPS_MAP_PRIVATE(object); |
1698 | |||
1699 | harbaum | 55 | //user can specify a map source ID, or a repo URI as the map source |
1700 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); | ||
1701 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { | ||
1702 | g_debug("Using null source"); | ||
1703 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; | ||
1704 | |||
1705 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); | ||
1706 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); | ||
1707 | } | ||
1708 | else if (priv->map_source >= 0) { | ||
1709 | //check if the source given is valid | ||
1710 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); | ||
1711 | if (uri) { | ||
1712 | g_debug("Setting map source from ID"); | ||
1713 | g_free(priv->repo_uri); | ||
1714 | |||
1715 | priv->repo_uri = g_strdup(uri); | ||
1716 | priv->image_format = g_strdup( | ||
1717 | osm_gps_map_source_get_image_format(priv->map_source)); | ||
1718 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); | ||
1719 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); | ||
1720 | } | ||
1721 | } | ||
1722 | |||
1723 | harbaum | 32 | if (!priv->cache_dir_is_full_path) { |
1724 | #ifdef G_CHECKSUM_MD5 | ||
1725 | char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1); | ||
1726 | #else | ||
1727 | char *md5 = simple_hash(priv->repo_uri); | ||
1728 | #endif | ||
1729 | |||
1730 | if (priv->cache_dir) { | ||
1731 | char *old = priv->cache_dir; | ||
1732 | //the new cachedir is the given cache dir + the md5 of the repo_uri | ||
1733 | harbaum | 55 | priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5); |
1734 | harbaum | 32 | g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir); |
1735 | g_free(old); | ||
1736 | harbaum | 55 | } else { |
1737 | //the new cachedir is the current dir + the md5 of the repo_uri | ||
1738 | priv->cache_dir = g_strdup(md5); | ||
1739 | harbaum | 32 | } |
1740 | |||
1741 | g_free(md5); | ||
1742 | } | ||
1743 | |||
1744 | harbaum | 55 | inspect_map_uri(map); |
1745 | |||
1746 | harbaum | 32 | return object; |
1747 | } | ||
1748 | |||
1749 | static void | ||
1750 | osm_gps_map_dispose (GObject *object) | ||
1751 | { | ||
1752 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
1753 | OsmGpsMapPrivate *priv = map->priv; | ||
1754 | |||
1755 | if (priv->is_disposed) | ||
1756 | return; | ||
1757 | |||
1758 | priv->is_disposed = TRUE; | ||
1759 | |||
1760 | soup_session_abort(priv->soup_session); | ||
1761 | g_object_unref(priv->soup_session); | ||
1762 | |||
1763 | g_hash_table_destroy(priv->tile_queue); | ||
1764 | g_hash_table_destroy(priv->missing_tiles); | ||
1765 | g_hash_table_destroy(priv->tile_cache); | ||
1766 | |||
1767 | osm_gps_map_free_images(map); | ||
1768 | |||
1769 | if(priv->pixmap) | ||
1770 | g_object_unref (priv->pixmap); | ||
1771 | |||
1772 | harbaum | 55 | if (priv->null_tile) |
1773 | g_object_unref (priv->null_tile); | ||
1774 | |||
1775 | harbaum | 32 | if(priv->gc_map) |
1776 | g_object_unref(priv->gc_map); | ||
1777 | |||
1778 | if (priv->idle_map_redraw != 0) | ||
1779 | g_source_remove (priv->idle_map_redraw); | ||
1780 | |||
1781 | harbaum | 57 | g_free(priv->gps); |
1782 | harbaum | 58 | g_free(priv->balloon.coo); |
1783 | harbaum | 57 | |
1784 | harbaum | 61 | #ifdef ENABLE_OSD |
1785 | if (priv->osd.backup) | ||
1786 | g_object_unref(priv->osd.backup); | ||
1787 | #endif | ||
1788 | |||
1789 | harbaum | 32 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
1790 | } | ||
1791 | |||
1792 | static void | ||
1793 | osm_gps_map_finalize (GObject *object) | ||
1794 | { | ||
1795 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
1796 | OsmGpsMapPrivate *priv = map->priv; | ||
1797 | |||
1798 | g_free(priv->cache_dir); | ||
1799 | g_free(priv->repo_uri); | ||
1800 | harbaum | 55 | g_free(priv->image_format); |
1801 | harbaum | 32 | |
1802 | osm_gps_map_free_trip(map); | ||
1803 | osm_gps_map_free_tracks(map); | ||
1804 | |||
1805 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); | ||
1806 | } | ||
1807 | |||
1808 | static void | ||
1809 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) | ||
1810 | { | ||
1811 | g_return_if_fail (OSM_IS_GPS_MAP (object)); | ||
1812 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
1813 | OsmGpsMapPrivate *priv = map->priv; | ||
1814 | |||
1815 | switch (prop_id) | ||
1816 | { | ||
1817 | case PROP_AUTO_CENTER: | ||
1818 | priv->map_auto_center = g_value_get_boolean (value); | ||
1819 | break; | ||
1820 | case PROP_RECORD_TRIP_HISTORY: | ||
1821 | priv->record_trip_history = g_value_get_boolean (value); | ||
1822 | break; | ||
1823 | case PROP_SHOW_TRIP_HISTORY: | ||
1824 | priv->show_trip_history = g_value_get_boolean (value); | ||
1825 | break; | ||
1826 | case PROP_AUTO_DOWNLOAD: | ||
1827 | priv->map_auto_download = g_value_get_boolean (value); | ||
1828 | break; | ||
1829 | case PROP_REPO_URI: | ||
1830 | priv->repo_uri = g_value_dup_string (value); | ||
1831 | break; | ||
1832 | case PROP_PROXY_URI: | ||
1833 | if ( g_value_get_string(value) ) { | ||
1834 | priv->proxy_uri = g_value_dup_string (value); | ||
1835 | g_debug("Setting proxy server: %s", priv->proxy_uri); | ||
1836 | harbaum | 55 | |
1837 | harbaum | 32 | #ifndef LIBSOUP22 |
1838 | GValue val = {0}; | ||
1839 | harbaum | 55 | |
1840 | harbaum | 32 | SoupURI* uri = soup_uri_new(priv->proxy_uri); |
1841 | g_value_init(&val, SOUP_TYPE_URI); | ||
1842 | g_value_take_boxed(&val, uri); | ||
1843 | |||
1844 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); | ||
1845 | #else | ||
1846 | SoupUri* uri = soup_uri_new(priv->proxy_uri); | ||
1847 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); | ||
1848 | #endif | ||
1849 | } else | ||
1850 | priv->proxy_uri = NULL; | ||
1851 | |||
1852 | break; | ||
1853 | case PROP_TILE_CACHE_DIR: | ||
1854 | harbaum | 55 | if ( g_value_get_string(value) ) |
1855 | priv->cache_dir = g_value_dup_string (value); | ||
1856 | harbaum | 32 | break; |
1857 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: | ||
1858 | priv->cache_dir_is_full_path = g_value_get_boolean (value); | ||
1859 | break; | ||
1860 | case PROP_ZOOM: | ||
1861 | priv->map_zoom = g_value_get_int (value); | ||
1862 | break; | ||
1863 | case PROP_MAX_ZOOM: | ||
1864 | priv->max_zoom = g_value_get_int (value); | ||
1865 | break; | ||
1866 | case PROP_MIN_ZOOM: | ||
1867 | priv->min_zoom = g_value_get_int (value); | ||
1868 | break; | ||
1869 | case PROP_MAP_X: | ||
1870 | priv->map_x = g_value_get_int (value); | ||
1871 | priv->center_coord_set = FALSE; | ||
1872 | break; | ||
1873 | case PROP_MAP_Y: | ||
1874 | priv->map_y = g_value_get_int (value); | ||
1875 | priv->center_coord_set = FALSE; | ||
1876 | break; | ||
1877 | case PROP_GPS_TRACK_WIDTH: | ||
1878 | priv->ui_gps_track_width = g_value_get_int (value); | ||
1879 | break; | ||
1880 | case PROP_GPS_POINT_R1: | ||
1881 | priv->ui_gps_point_inner_radius = g_value_get_int (value); | ||
1882 | break; | ||
1883 | case PROP_GPS_POINT_R2: | ||
1884 | priv->ui_gps_point_outer_radius = g_value_get_int (value); | ||
1885 | break; | ||
1886 | harbaum | 55 | case PROP_MAP_SOURCE: |
1887 | priv->map_source = g_value_get_int (value); | ||
1888 | break; | ||
1889 | case PROP_IMAGE_FORMAT: | ||
1890 | priv->image_format = g_value_dup_string (value); | ||
1891 | break; | ||
1892 | harbaum | 32 | default: |
1893 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
1894 | break; | ||
1895 | } | ||
1896 | } | ||
1897 | |||
1898 | static void | ||
1899 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) | ||
1900 | { | ||
1901 | g_return_if_fail (OSM_IS_GPS_MAP (object)); | ||
1902 | float lat,lon; | ||
1903 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
1904 | OsmGpsMapPrivate *priv = map->priv; | ||
1905 | |||
1906 | switch (prop_id) | ||
1907 | { | ||
1908 | case PROP_AUTO_CENTER: | ||
1909 | g_value_set_boolean(value, priv->map_auto_center); | ||
1910 | break; | ||
1911 | case PROP_RECORD_TRIP_HISTORY: | ||
1912 | g_value_set_boolean(value, priv->record_trip_history); | ||
1913 | break; | ||
1914 | case PROP_SHOW_TRIP_HISTORY: | ||
1915 | g_value_set_boolean(value, priv->show_trip_history); | ||
1916 | break; | ||
1917 | case PROP_AUTO_DOWNLOAD: | ||
1918 | g_value_set_boolean(value, priv->map_auto_download); | ||
1919 | break; | ||
1920 | case PROP_REPO_URI: | ||
1921 | g_value_set_string(value, priv->repo_uri); | ||
1922 | break; | ||
1923 | case PROP_PROXY_URI: | ||
1924 | g_value_set_string(value, priv->proxy_uri); | ||
1925 | break; | ||
1926 | case PROP_TILE_CACHE_DIR: | ||
1927 | g_value_set_string(value, priv->cache_dir); | ||
1928 | break; | ||
1929 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: | ||
1930 | g_value_set_boolean(value, priv->cache_dir_is_full_path); | ||
1931 | break; | ||
1932 | case PROP_ZOOM: | ||
1933 | g_value_set_int(value, priv->map_zoom); | ||
1934 | break; | ||
1935 | case PROP_MAX_ZOOM: | ||
1936 | g_value_set_int(value, priv->max_zoom); | ||
1937 | break; | ||
1938 | case PROP_MIN_ZOOM: | ||
1939 | g_value_set_int(value, priv->min_zoom); | ||
1940 | break; | ||
1941 | case PROP_LATITUDE: | ||
1942 | lat = pixel2lat(priv->map_zoom, | ||
1943 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); | ||
1944 | g_value_set_float(value, rad2deg(lat)); | ||
1945 | break; | ||
1946 | case PROP_LONGITUDE: | ||
1947 | lon = pixel2lon(priv->map_zoom, | ||
1948 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); | ||
1949 | g_value_set_float(value, rad2deg(lon)); | ||
1950 | break; | ||
1951 | case PROP_MAP_X: | ||
1952 | g_value_set_int(value, priv->map_x); | ||
1953 | break; | ||
1954 | case PROP_MAP_Y: | ||
1955 | g_value_set_int(value, priv->map_y); | ||
1956 | break; | ||
1957 | case PROP_TILES_QUEUED: | ||
1958 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); | ||
1959 | break; | ||
1960 | case PROP_GPS_TRACK_WIDTH: | ||
1961 | g_value_set_int(value, priv->ui_gps_track_width); | ||
1962 | break; | ||
1963 | case PROP_GPS_POINT_R1: | ||
1964 | g_value_set_int(value, priv->ui_gps_point_inner_radius); | ||
1965 | break; | ||
1966 | case PROP_GPS_POINT_R2: | ||
1967 | g_value_set_int(value, priv->ui_gps_point_outer_radius); | ||
1968 | break; | ||
1969 | harbaum | 55 | case PROP_MAP_SOURCE: |
1970 | g_value_set_int(value, priv->map_source); | ||
1971 | break; | ||
1972 | case PROP_IMAGE_FORMAT: | ||
1973 | g_value_set_string(value, priv->image_format); | ||
1974 | break; | ||
1975 | harbaum | 32 | default: |
1976 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
1977 | break; | ||
1978 | } | ||
1979 | } | ||
1980 | |||
1981 | static gboolean | ||
1982 | harbaum | 55 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
1983 | harbaum | 32 | { |
1984 | OsmGpsMap *map = OSM_GPS_MAP(widget); | ||
1985 | OsmGpsMapPrivate *priv = map->priv; | ||
1986 | |||
1987 | if (event->direction == GDK_SCROLL_UP) | ||
1988 | { | ||
1989 | osm_gps_map_set_zoom(map, priv->map_zoom+1); | ||
1990 | } | ||
1991 | else | ||
1992 | { | ||
1993 | osm_gps_map_set_zoom(map, priv->map_zoom-1); | ||
1994 | } | ||
1995 | |||
1996 | return FALSE; | ||
1997 | } | ||
1998 | |||
1999 | static gboolean | ||
2000 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) | ||
2001 | { | ||
2002 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2003 | |||
2004 | harbaum | 58 | /* don't drag if the user clicked within the balloon */ |
2005 | if (osm_gps_map_in_balloon(priv, | ||
2006 | event->x + EXTRA_BORDER, | ||
2007 | event->y + EXTRA_BORDER)) | ||
2008 | { | ||
2009 | priv->drag_counter = -1; | ||
2010 | return FALSE; | ||
2011 | } | ||
2012 | |||
2013 | harbaum | 32 | priv->drag_counter = 0; |
2014 | priv->drag_start_mouse_x = (int) event->x; | ||
2015 | priv->drag_start_mouse_y = (int) event->y; | ||
2016 | priv->drag_start_map_x = priv->map_x; | ||
2017 | priv->drag_start_map_y = priv->map_y; | ||
2018 | |||
2019 | return FALSE; | ||
2020 | } | ||
2021 | |||
2022 | static gboolean | ||
2023 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) | ||
2024 | { | ||
2025 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2026 | |||
2027 | harbaum | 58 | /* released inside the balloon? */ |
2028 | if (osm_gps_map_in_balloon(priv, | ||
2029 | event->x + EXTRA_BORDER, | ||
2030 | event->y + EXTRA_BORDER)) | ||
2031 | { | ||
2032 | osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), | ||
2033 | event->x - priv->balloon.rect.x + EXTRA_BORDER, | ||
2034 | event->y - priv->balloon.rect.y + EXTRA_BORDER); | ||
2035 | return FALSE; | ||
2036 | } | ||
2037 | |||
2038 | if (priv->drag_counter < 0) | ||
2039 | return FALSE; | ||
2040 | |||
2041 | harbaum | 32 | if (priv->dragging) |
2042 | { | ||
2043 | priv->dragging = FALSE; | ||
2044 | |||
2045 | priv->map_x = priv->drag_start_map_x; | ||
2046 | priv->map_y = priv->drag_start_map_y; | ||
2047 | |||
2048 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); | ||
2049 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); | ||
2050 | |||
2051 | priv->center_coord_set = FALSE; | ||
2052 | |||
2053 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); | ||
2054 | } | ||
2055 | |||
2056 | priv->drag_mouse_dx = 0; | ||
2057 | priv->drag_mouse_dy = 0; | ||
2058 | harbaum | 58 | priv->drag_counter = -1; |
2059 | harbaum | 32 | |
2060 | return FALSE; | ||
2061 | } | ||
2062 | |||
2063 | static gboolean | ||
2064 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) | ||
2065 | { | ||
2066 | int x, y; | ||
2067 | GdkModifierType state; | ||
2068 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2069 | |||
2070 | if (event->is_hint) | ||
2071 | gdk_window_get_pointer (event->window, &x, &y, &state); | ||
2072 | else | ||
2073 | { | ||
2074 | x = event->x; | ||
2075 | y = event->y; | ||
2076 | state = event->state; | ||
2077 | } | ||
2078 | |||
2079 | // are we being dragged | ||
2080 | if (!(state & GDK_BUTTON1_MASK)) | ||
2081 | return FALSE; | ||
2082 | |||
2083 | harbaum | 58 | if (priv->drag_counter < 0) |
2084 | return FALSE; | ||
2085 | |||
2086 | harbaum | 32 | priv->drag_counter++; |
2087 | |||
2088 | // we havent dragged more than 6 pixels | ||
2089 | if (priv->drag_counter < 6) | ||
2090 | return FALSE; | ||
2091 | |||
2092 | priv->dragging = TRUE; | ||
2093 | |||
2094 | if (priv->map_auto_center) | ||
2095 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); | ||
2096 | |||
2097 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; | ||
2098 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; | ||
2099 | |||
2100 | harbaum | 61 | #ifdef ENABLE_OSD |
2101 | /* undo OSD */ | ||
2102 | osm_gps_map_osd_restore (OSM_GPS_MAP(widget)); | ||
2103 | |||
2104 | /* draw new OSD */ | ||
2105 | osm_gps_map_draw_osd_controls (OSM_GPS_MAP(widget), | ||
2106 | -priv->drag_mouse_dx, | ||
2107 | -priv->drag_mouse_dy); | ||
2108 | #endif | ||
2109 | |||
2110 | harbaum | 32 | gdk_draw_drawable ( |
2111 | widget->window, | ||
2112 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
2113 | priv->pixmap, | ||
2114 | 0,0, | ||
2115 | priv->drag_mouse_dx - EXTRA_BORDER, priv->drag_mouse_dy - EXTRA_BORDER, | ||
2116 | -1,-1); | ||
2117 | |||
2118 | //Paint white outside of the map if dragging. Its less | ||
2119 | //ugly than painting the corrupted map | ||
2120 | if(priv->drag_mouse_dx>EXTRA_BORDER) { | ||
2121 | gdk_draw_rectangle ( | ||
2122 | widget->window, | ||
2123 | widget->style->white_gc, | ||
2124 | TRUE, | ||
2125 | 0, 0, | ||
2126 | priv->drag_mouse_dx - EXTRA_BORDER, | ||
2127 | widget->allocation.height); | ||
2128 | } | ||
2129 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) | ||
2130 | { | ||
2131 | gdk_draw_rectangle ( | ||
2132 | widget->window, | ||
2133 | widget->style->white_gc, | ||
2134 | TRUE, | ||
2135 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, | ||
2136 | -priv->drag_mouse_dx - EXTRA_BORDER, | ||
2137 | widget->allocation.height); | ||
2138 | } | ||
2139 | |||
2140 | if (priv->drag_mouse_dy>EXTRA_BORDER) { | ||
2141 | gdk_draw_rectangle ( | ||
2142 | widget->window, | ||
2143 | widget->style->white_gc, | ||
2144 | TRUE, | ||
2145 | 0, 0, | ||
2146 | widget->allocation.width, | ||
2147 | priv->drag_mouse_dy - EXTRA_BORDER); | ||
2148 | } | ||
2149 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) | ||
2150 | { | ||
2151 | gdk_draw_rectangle ( | ||
2152 | widget->window, | ||
2153 | widget->style->white_gc, | ||
2154 | TRUE, | ||
2155 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, | ||
2156 | widget->allocation.width, | ||
2157 | -priv->drag_mouse_dy - EXTRA_BORDER); | ||
2158 | } | ||
2159 | |||
2160 | return FALSE; | ||
2161 | } | ||
2162 | |||
2163 | static gboolean | ||
2164 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) | ||
2165 | { | ||
2166 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2167 | |||
2168 | /* create pixmap */ | ||
2169 | if (priv->pixmap) | ||
2170 | g_object_unref (priv->pixmap); | ||
2171 | |||
2172 | priv->pixmap = gdk_pixmap_new ( | ||
2173 | widget->window, | ||
2174 | widget->allocation.width + EXTRA_BORDER * 2, | ||
2175 | widget->allocation.height + EXTRA_BORDER * 2, | ||
2176 | -1); | ||
2177 | |||
2178 | /* and gc, used for clipping (I think......) */ | ||
2179 | if(priv->gc_map) | ||
2180 | g_object_unref(priv->gc_map); | ||
2181 | |||
2182 | priv->gc_map = gdk_gc_new(priv->pixmap); | ||
2183 | |||
2184 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); | ||
2185 | |||
2186 | return FALSE; | ||
2187 | } | ||
2188 | |||
2189 | static gboolean | ||
2190 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) | ||
2191 | { | ||
2192 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2193 | |||
2194 | gdk_draw_drawable ( | ||
2195 | widget->window, | ||
2196 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
2197 | priv->pixmap, | ||
2198 | harbaum | 58 | event->area.x + EXTRA_BORDER, |
2199 | event->area.y + EXTRA_BORDER, | ||
2200 | harbaum | 32 | event->area.x, event->area.y, |
2201 | event->area.width, event->area.height); | ||
2202 | |||
2203 | harbaum | 61 | #ifdef ENABLE_OSD_OVL |
2204 | /* TODO: intersect with area */ | ||
2205 | if (priv->osd.pixbuf) | ||
2206 | { | ||
2207 | // gdk_draw_drawable (widget->window, | ||
2208 | // widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
2209 | // priv->osd.pixbuf, 0, 0, | ||
2210 | // OSD_X, OSD_Y, OSD_W, OSD_H); | ||
2211 | } | ||
2212 | #endif | ||
2213 | |||
2214 | harbaum | 32 | return FALSE; |
2215 | } | ||
2216 | |||
2217 | static void | ||
2218 | osm_gps_map_class_init (OsmGpsMapClass *klass) | ||
2219 | { | ||
2220 | GObjectClass* object_class = G_OBJECT_CLASS (klass); | ||
2221 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); | ||
2222 | |||
2223 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); | ||
2224 | |||
2225 | object_class->dispose = osm_gps_map_dispose; | ||
2226 | object_class->finalize = osm_gps_map_finalize; | ||
2227 | object_class->constructor = osm_gps_map_constructor; | ||
2228 | object_class->set_property = osm_gps_map_set_property; | ||
2229 | object_class->get_property = osm_gps_map_get_property; | ||
2230 | |||
2231 | widget_class->expose_event = osm_gps_map_expose; | ||
2232 | widget_class->configure_event = osm_gps_map_configure; | ||
2233 | widget_class->button_press_event = osm_gps_map_button_press; | ||
2234 | widget_class->button_release_event = osm_gps_map_button_release; | ||
2235 | widget_class->motion_notify_event = osm_gps_map_motion_notify; | ||
2236 | harbaum | 55 | widget_class->scroll_event = osm_gps_map_scroll_event; |
2237 | harbaum | 32 | |
2238 | g_object_class_install_property (object_class, | ||
2239 | PROP_AUTO_CENTER, | ||
2240 | g_param_spec_boolean ("auto-center", | ||
2241 | "auto center", | ||
2242 | "map auto center", | ||
2243 | TRUE, | ||
2244 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2245 | |||
2246 | g_object_class_install_property (object_class, | ||
2247 | PROP_RECORD_TRIP_HISTORY, | ||
2248 | g_param_spec_boolean ("record-trip-history", | ||
2249 | "record trip history", | ||
2250 | "should all gps points be recorded in a trip history", | ||
2251 | TRUE, | ||
2252 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2253 | |||
2254 | g_object_class_install_property (object_class, | ||
2255 | PROP_SHOW_TRIP_HISTORY, | ||
2256 | g_param_spec_boolean ("show-trip-history", | ||
2257 | "show trip history", | ||
2258 | "should the recorded trip history be shown on the map", | ||
2259 | TRUE, | ||
2260 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2261 | |||
2262 | g_object_class_install_property (object_class, | ||
2263 | PROP_AUTO_DOWNLOAD, | ||
2264 | g_param_spec_boolean ("auto-download", | ||
2265 | "auto download", | ||
2266 | "map auto download", | ||
2267 | TRUE, | ||
2268 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2269 | |||
2270 | g_object_class_install_property (object_class, | ||
2271 | PROP_REPO_URI, | ||
2272 | g_param_spec_string ("repo-uri", | ||
2273 | "repo uri", | ||
2274 | harbaum | 55 | "map source tile repository uri", |
2275 | OSM_REPO_URI, | ||
2276 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2277 | |||
2278 | harbaum | 55 | g_object_class_install_property (object_class, |
2279 | harbaum | 32 | PROP_PROXY_URI, |
2280 | g_param_spec_string ("proxy-uri", | ||
2281 | "proxy uri", | ||
2282 | "http proxy uri on NULL", | ||
2283 | NULL, | ||
2284 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2285 | |||
2286 | g_object_class_install_property (object_class, | ||
2287 | PROP_TILE_CACHE_DIR, | ||
2288 | g_param_spec_string ("tile-cache", | ||
2289 | "tile cache", | ||
2290 | "osm local tile cache dir", | ||
2291 | harbaum | 55 | NULL, |
2292 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2293 | |||
2294 | g_object_class_install_property (object_class, | ||
2295 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, | ||
2296 | g_param_spec_boolean ("tile-cache-is-full-path", | ||
2297 | "tile cache is full path", | ||
2298 | "if true, the path passed to tile-cache is interpreted as the full cache path", | ||
2299 | FALSE, | ||
2300 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2301 | |||
2302 | g_object_class_install_property (object_class, | ||
2303 | PROP_ZOOM, | ||
2304 | g_param_spec_int ("zoom", | ||
2305 | "zoom", | ||
2306 | "zoom level", | ||
2307 | MIN_ZOOM, /* minimum property value */ | ||
2308 | MAX_ZOOM, /* maximum property value */ | ||
2309 | 3, | ||
2310 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2311 | |||
2312 | g_object_class_install_property (object_class, | ||
2313 | PROP_MAX_ZOOM, | ||
2314 | g_param_spec_int ("max-zoom", | ||
2315 | "max zoom", | ||
2316 | "maximum zoom level", | ||
2317 | MIN_ZOOM, /* minimum property value */ | ||
2318 | MAX_ZOOM, /* maximum property value */ | ||
2319 | harbaum | 55 | OSM_MAX_ZOOM, |
2320 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2321 | |||
2322 | g_object_class_install_property (object_class, | ||
2323 | PROP_MIN_ZOOM, | ||
2324 | g_param_spec_int ("min-zoom", | ||
2325 | "min zoom", | ||
2326 | "minimum zoom level", | ||
2327 | MIN_ZOOM, /* minimum property value */ | ||
2328 | MAX_ZOOM, /* maximum property value */ | ||
2329 | harbaum | 55 | OSM_MIN_ZOOM, |
2330 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2331 | |||
2332 | g_object_class_install_property (object_class, | ||
2333 | PROP_LATITUDE, | ||
2334 | g_param_spec_float ("latitude", | ||
2335 | "latitude", | ||
2336 | "latitude in degrees", | ||
2337 | -90.0, /* minimum property value */ | ||
2338 | 90.0, /* maximum property value */ | ||
2339 | 0, | ||
2340 | G_PARAM_READABLE)); | ||
2341 | |||
2342 | g_object_class_install_property (object_class, | ||
2343 | PROP_LONGITUDE, | ||
2344 | g_param_spec_float ("longitude", | ||
2345 | "longitude", | ||
2346 | "longitude in degrees", | ||
2347 | -180.0, /* minimum property value */ | ||
2348 | 180.0, /* maximum property value */ | ||
2349 | 0, | ||
2350 | G_PARAM_READABLE)); | ||
2351 | |||
2352 | g_object_class_install_property (object_class, | ||
2353 | PROP_MAP_X, | ||
2354 | g_param_spec_int ("map-x", | ||
2355 | "map-x", | ||
2356 | "initial map x location", | ||
2357 | G_MININT, /* minimum property value */ | ||
2358 | G_MAXINT, /* maximum property value */ | ||
2359 | 890, | ||
2360 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2361 | |||
2362 | g_object_class_install_property (object_class, | ||
2363 | PROP_MAP_Y, | ||
2364 | g_param_spec_int ("map-y", | ||
2365 | "map-y", | ||
2366 | "initial map y location", | ||
2367 | G_MININT, /* minimum property value */ | ||
2368 | G_MAXINT, /* maximum property value */ | ||
2369 | 515, | ||
2370 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2371 | |||
2372 | g_object_class_install_property (object_class, | ||
2373 | PROP_TILES_QUEUED, | ||
2374 | g_param_spec_int ("tiles-queued", | ||
2375 | "tiles-queued", | ||
2376 | "number of tiles currently waiting to download", | ||
2377 | G_MININT, /* minimum property value */ | ||
2378 | G_MAXINT, /* maximum property value */ | ||
2379 | 0, | ||
2380 | G_PARAM_READABLE)); | ||
2381 | |||
2382 | g_object_class_install_property (object_class, | ||
2383 | PROP_GPS_TRACK_WIDTH, | ||
2384 | g_param_spec_int ("gps-track-width", | ||
2385 | "gps-track-width", | ||
2386 | "width of the lines drawn for the gps track", | ||
2387 | 1, /* minimum property value */ | ||
2388 | G_MAXINT, /* maximum property value */ | ||
2389 | 4, | ||
2390 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2391 | |||
2392 | g_object_class_install_property (object_class, | ||
2393 | PROP_GPS_POINT_R1, | ||
2394 | g_param_spec_int ("gps-track-point-radius", | ||
2395 | "gps-track-point-radius", | ||
2396 | "radius of the gps point inner circle", | ||
2397 | 0, /* minimum property value */ | ||
2398 | G_MAXINT, /* maximum property value */ | ||
2399 | 5, | ||
2400 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2401 | |||
2402 | g_object_class_install_property (object_class, | ||
2403 | PROP_GPS_POINT_R2, | ||
2404 | g_param_spec_int ("gps-track-highlight-radius", | ||
2405 | "gps-track-highlight-radius", | ||
2406 | "radius of the gps point highlight circle", | ||
2407 | 0, /* minimum property value */ | ||
2408 | G_MAXINT, /* maximum property value */ | ||
2409 | 20, | ||
2410 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2411 | |||
2412 | harbaum | 55 | g_object_class_install_property (object_class, |
2413 | PROP_MAP_SOURCE, | ||
2414 | g_param_spec_int ("map-source", | ||
2415 | "map source", | ||
2416 | "map source ID", | ||
2417 | -1, /* minimum property value */ | ||
2418 | G_MAXINT, /* maximum property value */ | ||
2419 | -1, | ||
2420 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2421 | |||
2422 | g_object_class_install_property (object_class, | ||
2423 | PROP_IMAGE_FORMAT, | ||
2424 | g_param_spec_string ("image-format", | ||
2425 | "image format", | ||
2426 | "map source tile repository image format (jpg, png)", | ||
2427 | OSM_IMAGE_FORMAT, | ||
2428 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2429 | harbaum | 32 | } |
2430 | |||
2431 | harbaum | 55 | const char* |
2432 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) | ||
2433 | { | ||
2434 | switch(source) | ||
2435 | { | ||
2436 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2437 | return "None"; | ||
2438 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2439 | return "OpenStreetMap"; | ||
2440 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2441 | return "OpenStreetMap Renderer"; | ||
2442 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2443 | return "OpenAerialMap"; | ||
2444 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2445 | return "Maps-For-Free"; | ||
2446 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2447 | return "Google Maps"; | ||
2448 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2449 | return "Google Satellite"; | ||
2450 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2451 | return "Google Hybrid"; | ||
2452 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2453 | return "Virtual Earth"; | ||
2454 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2455 | return "Virtual Earth Satellite"; | ||
2456 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2457 | return "Virtual Earth Hybrid"; | ||
2458 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2459 | return "Yahoo Maps"; | ||
2460 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2461 | return "Yahoo Satellite"; | ||
2462 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2463 | return "Yahoo Hybrid"; | ||
2464 | default: | ||
2465 | return NULL; | ||
2466 | } | ||
2467 | return NULL; | ||
2468 | } | ||
2469 | |||
2470 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 | ||
2471 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup | ||
2472 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java | ||
2473 | //http://www.mgmaps.com/cache/MapTileCacher.perl | ||
2474 | const char* | ||
2475 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) | ||
2476 | { | ||
2477 | switch(source) | ||
2478 | { | ||
2479 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2480 | return "none://"; | ||
2481 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2482 | return OSM_REPO_URI; | ||
2483 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2484 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; | ||
2485 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2486 | return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg"; | ||
2487 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2488 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; | ||
2489 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2490 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; | ||
2491 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2492 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; | ||
2493 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2494 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ | ||
2495 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2496 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; | ||
2497 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2498 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; | ||
2499 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2500 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; | ||
2501 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2502 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2503 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2504 | /* TODO: Implement signed Y, aka U | ||
2505 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d | ||
2506 | * x = tilex, | ||
2507 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, | ||
2508 | * z = zoom - (MAX_ZOOM - 17)); | ||
2509 | */ | ||
2510 | return NULL; | ||
2511 | default: | ||
2512 | return NULL; | ||
2513 | } | ||
2514 | return NULL; | ||
2515 | } | ||
2516 | |||
2517 | const char * | ||
2518 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) | ||
2519 | { | ||
2520 | switch(source) { | ||
2521 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2522 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2523 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2524 | return "png"; | ||
2525 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2526 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2527 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2528 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2529 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2530 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2531 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2532 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2533 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2534 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2535 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2536 | return "jpg"; | ||
2537 | default: | ||
2538 | return "bin"; | ||
2539 | } | ||
2540 | return "bin"; | ||
2541 | } | ||
2542 | |||
2543 | |||
2544 | int | ||
2545 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) | ||
2546 | { | ||
2547 | return 1; | ||
2548 | } | ||
2549 | |||
2550 | int | ||
2551 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) | ||
2552 | { | ||
2553 | switch(source) { | ||
2554 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2555 | return 18; | ||
2556 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2557 | return OSM_MAX_ZOOM; | ||
2558 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2559 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2560 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2561 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2562 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2563 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2564 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2565 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2566 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2567 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2568 | return 17; | ||
2569 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2570 | return 11; | ||
2571 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2572 | return 18; | ||
2573 | default: | ||
2574 | return 17; | ||
2575 | } | ||
2576 | return 17; | ||
2577 | } | ||
2578 | |||
2579 | harbaum | 32 | void |
2580 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) | ||
2581 | { | ||
2582 | int i,j,zoom,num_tiles; | ||
2583 | OsmGpsMapPrivate *priv = map->priv; | ||
2584 | |||
2585 | if (pt1 && pt2) | ||
2586 | { | ||
2587 | gchar *filename; | ||
2588 | num_tiles = 0; | ||
2589 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); | ||
2590 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); | ||
2591 | |||
2592 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) | ||
2593 | { | ||
2594 | int x1,y1,x2,y2; | ||
2595 | |||
2596 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); | ||
2597 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); | ||
2598 | |||
2599 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); | ||
2600 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); | ||
2601 | |||
2602 | // loop x1-x2 | ||
2603 | for(i=x1; i<=x2; i++) | ||
2604 | { | ||
2605 | // loop y1 - y2 | ||
2606 | for(j=y1; j<=y2; j++) | ||
2607 | { | ||
2608 | // x = i, y = j | ||
2609 | harbaum | 55 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
2610 | priv->cache_dir, G_DIR_SEPARATOR, | ||
2611 | zoom, G_DIR_SEPARATOR, | ||
2612 | i, G_DIR_SEPARATOR, | ||
2613 | j, | ||
2614 | priv->image_format); | ||
2615 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) | ||
2616 | harbaum | 32 | { |
2617 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); | ||
2618 | num_tiles++; | ||
2619 | } | ||
2620 | g_free(filename); | ||
2621 | } | ||
2622 | } | ||
2623 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); | ||
2624 | } | ||
2625 | } | ||
2626 | } | ||
2627 | |||
2628 | void | ||
2629 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) | ||
2630 | { | ||
2631 | OsmGpsMapPrivate *priv = map->priv; | ||
2632 | |||
2633 | if (pt1 && pt2) { | ||
2634 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); | ||
2635 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); | ||
2636 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); | ||
2637 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); | ||
2638 | |||
2639 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); | ||
2640 | } | ||
2641 | } | ||
2642 | |||
2643 | void | ||
2644 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) | ||
2645 | { | ||
2646 | osm_gps_map_set_center (map, latitude, longitude); | ||
2647 | osm_gps_map_set_zoom (map, zoom); | ||
2648 | } | ||
2649 | |||
2650 | void | ||
2651 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) | ||
2652 | { | ||
2653 | int pixel_x, pixel_y; | ||
2654 | OsmGpsMapPrivate *priv; | ||
2655 | |||
2656 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2657 | priv = map->priv; | ||
2658 | |||
2659 | priv->center_rlat = deg2rad(latitude); | ||
2660 | priv->center_rlon = deg2rad(longitude); | ||
2661 | priv->center_coord_set = TRUE; | ||
2662 | |||
2663 | // pixel_x,y, offsets | ||
2664 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); | ||
2665 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); | ||
2666 | |||
2667 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; | ||
2668 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; | ||
2669 | |||
2670 | osm_gps_map_map_redraw_idle(map); | ||
2671 | } | ||
2672 | |||
2673 | int | ||
2674 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) | ||
2675 | { | ||
2676 | int zoom_old; | ||
2677 | harbaum | 55 | double factor = 0.0; |
2678 | harbaum | 32 | int width_center, height_center; |
2679 | OsmGpsMapPrivate *priv; | ||
2680 | |||
2681 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); | ||
2682 | priv = map->priv; | ||
2683 | |||
2684 | if (zoom != priv->map_zoom) | ||
2685 | { | ||
2686 | width_center = GTK_WIDGET(map)->allocation.width / 2; | ||
2687 | height_center = GTK_WIDGET(map)->allocation.height / 2; | ||
2688 | |||
2689 | zoom_old = priv->map_zoom; | ||
2690 | //constrain zoom min_zoom -> max_zoom | ||
2691 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); | ||
2692 | |||
2693 | if (priv->center_coord_set) | ||
2694 | { | ||
2695 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; | ||
2696 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; | ||
2697 | } | ||
2698 | else | ||
2699 | { | ||
2700 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); | ||
2701 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; | ||
2702 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; | ||
2703 | } | ||
2704 | |||
2705 | g_debug("Zoom changed from %d to %d factor:%f x:%d", | ||
2706 | zoom_old, priv->map_zoom, factor, priv->map_x); | ||
2707 | |||
2708 | osm_gps_map_map_redraw_idle(map); | ||
2709 | } | ||
2710 | return priv->map_zoom; | ||
2711 | } | ||
2712 | |||
2713 | void | ||
2714 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) | ||
2715 | { | ||
2716 | OsmGpsMapPrivate *priv; | ||
2717 | |||
2718 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2719 | priv = map->priv; | ||
2720 | |||
2721 | if (track) { | ||
2722 | priv->tracks = g_slist_append(priv->tracks, track); | ||
2723 | osm_gps_map_map_redraw_idle(map); | ||
2724 | } | ||
2725 | } | ||
2726 | |||
2727 | void | ||
2728 | osm_gps_map_clear_tracks (OsmGpsMap *map) | ||
2729 | { | ||
2730 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2731 | |||
2732 | osm_gps_map_free_tracks(map); | ||
2733 | osm_gps_map_map_redraw_idle(map); | ||
2734 | } | ||
2735 | |||
2736 | void | ||
2737 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) | ||
2738 | { | ||
2739 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2740 | |||
2741 | if (image) { | ||
2742 | OsmGpsMapPrivate *priv = map->priv; | ||
2743 | image_t *im; | ||
2744 | |||
2745 | //cache w/h for speed, and add image to list | ||
2746 | im = g_new0(image_t,1); | ||
2747 | im->w = gdk_pixbuf_get_width(image); | ||
2748 | harbaum | 55 | im->h = gdk_pixbuf_get_height(image); |
2749 | harbaum | 32 | im->pt.rlat = deg2rad(latitude); |
2750 | im->pt.rlon = deg2rad(longitude); | ||
2751 | |||
2752 | g_object_ref(image); | ||
2753 | im->image = image; | ||
2754 | |||
2755 | priv->images = g_slist_append(priv->images, im); | ||
2756 | |||
2757 | osm_gps_map_map_redraw_idle(map); | ||
2758 | } | ||
2759 | } | ||
2760 | |||
2761 | harbaum | 55 | gboolean |
2762 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) | ||
2763 | { | ||
2764 | OsmGpsMapPrivate *priv = map->priv; | ||
2765 | if (priv->images) { | ||
2766 | GSList *list; | ||
2767 | for(list = priv->images; list != NULL; list = list->next) | ||
2768 | { | ||
2769 | image_t *im = list->data; | ||
2770 | if (im->image == image) | ||
2771 | { | ||
2772 | priv->images = g_slist_remove_link(priv->images, list); | ||
2773 | g_object_unref(im->image); | ||
2774 | g_free(im); | ||
2775 | osm_gps_map_map_redraw_idle(map); | ||
2776 | return TRUE; | ||
2777 | } | ||
2778 | } | ||
2779 | } | ||
2780 | return FALSE; | ||
2781 | } | ||
2782 | |||
2783 | harbaum | 32 | void |
2784 | osm_gps_map_clear_images (OsmGpsMap *map) | ||
2785 | { | ||
2786 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2787 | |||
2788 | osm_gps_map_free_images(map); | ||
2789 | osm_gps_map_map_redraw_idle(map); | ||
2790 | } | ||
2791 | |||
2792 | void | ||
2793 | osm_gps_map_osd_speed (OsmGpsMap *map, float speed) | ||
2794 | { | ||
2795 | OsmGpsMapPrivate *priv; | ||
2796 | |||
2797 | PangoContext *context = NULL; | ||
2798 | PangoLayout *layout = NULL; | ||
2799 | PangoFontDescription *desc = NULL; | ||
2800 | |||
2801 | GdkColor color; | ||
2802 | GdkGC *gc; | ||
2803 | |||
2804 | gchar *buffer; | ||
2805 | //static int x = 10, y = 10; | ||
2806 | static int width = 0, height = 0; | ||
2807 | |||
2808 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2809 | priv = map->priv; | ||
2810 | |||
2811 | buffer = g_strdup_printf("%.0f", speed); | ||
2812 | |||
2813 | /* pango initialisation */ | ||
2814 | context = gtk_widget_get_pango_context (GTK_WIDGET(map)); | ||
2815 | layout = pango_layout_new (context); | ||
2816 | desc = pango_font_description_new(); | ||
2817 | |||
2818 | pango_font_description_set_size (desc, 40 * PANGO_SCALE); | ||
2819 | pango_layout_set_font_description (layout, desc); | ||
2820 | pango_layout_set_text (layout, buffer, strlen(buffer)); | ||
2821 | |||
2822 | gc = gdk_gc_new (GTK_WIDGET(map)->window); | ||
2823 | |||
2824 | color.red = (0 > 50) ? 0xffff : 0; | ||
2825 | color.green = 0; | ||
2826 | color.blue = 0; | ||
2827 | |||
2828 | gdk_gc_set_rgb_fg_color (gc, &color); | ||
2829 | |||
2830 | /* faster / less flicker alternative:*/ | ||
2831 | gdk_draw_drawable ( | ||
2832 | GTK_WIDGET(map)->window, | ||
2833 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(map)], | ||
2834 | priv->pixmap, | ||
2835 | 0,0, | ||
2836 | 0,0, | ||
2837 | width+10,width+10); | ||
2838 | |||
2839 | gdk_draw_layout(GTK_WIDGET(map)->window, | ||
2840 | gc, | ||
2841 | 0, 0, | ||
2842 | layout); | ||
2843 | |||
2844 | /* set width and height */ | ||
2845 | pango_layout_get_pixel_size(layout, &width, &height); | ||
2846 | |||
2847 | g_free(buffer); | ||
2848 | pango_font_description_free (desc); | ||
2849 | g_object_unref (layout); | ||
2850 | g_object_unref (gc); | ||
2851 | } | ||
2852 | |||
2853 | void | ||
2854 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) | ||
2855 | { | ||
2856 | int pixel_x, pixel_y; | ||
2857 | OsmGpsMapPrivate *priv; | ||
2858 | |||
2859 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2860 | priv = map->priv; | ||
2861 | |||
2862 | priv->gps->rlat = deg2rad(latitude); | ||
2863 | priv->gps->rlon = deg2rad(longitude); | ||
2864 | priv->gps_valid = TRUE; | ||
2865 | |||
2866 | // pixel_x,y, offsets | ||
2867 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); | ||
2868 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); | ||
2869 | |||
2870 | //If trip marker add to list of gps points. | ||
2871 | if (priv->record_trip_history) { | ||
2872 | coord_t *tp = g_new0(coord_t,1); | ||
2873 | tp->rlat = priv->gps->rlat; | ||
2874 | tp->rlon = priv->gps->rlon; | ||
2875 | priv->trip_history = g_slist_append(priv->trip_history, tp); | ||
2876 | } | ||
2877 | |||
2878 | // dont draw anything if we are dragging | ||
2879 | if (priv->dragging) { | ||
2880 | g_debug("Dragging"); | ||
2881 | return; | ||
2882 | } | ||
2883 | |||
2884 | //Automatically center the map if the track approaches the edge | ||
2885 | if(priv->map_auto_center) { | ||
2886 | int x = pixel_x - priv->map_x; | ||
2887 | int y = pixel_y - priv->map_y; | ||
2888 | int width = GTK_WIDGET(map)->allocation.width; | ||
2889 | int height = GTK_WIDGET(map)->allocation.height; | ||
2890 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || | ||
2891 | y < (height/2 - height/8) || y > (height/2 + height/8)) { | ||
2892 | |||
2893 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; | ||
2894 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; | ||
2895 | priv->center_coord_set = FALSE; | ||
2896 | } | ||
2897 | } | ||
2898 | |||
2899 | // this redraws the map (including the gps track, and adjusts the | ||
2900 | // map center if it was changed | ||
2901 | osm_gps_map_map_redraw_idle(map); | ||
2902 | } | ||
2903 | |||
2904 | void | ||
2905 | osm_gps_map_clear_gps (OsmGpsMap *map) | ||
2906 | { | ||
2907 | osm_gps_map_free_trip(map); | ||
2908 | osm_gps_map_map_redraw_idle(map); | ||
2909 | } | ||
2910 | |||
2911 | coord_t | ||
2912 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) | ||
2913 | { | ||
2914 | coord_t coord; | ||
2915 | OsmGpsMapPrivate *priv = map->priv; | ||
2916 | |||
2917 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); | ||
2918 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); | ||
2919 | return coord; | ||
2920 | } | ||
2921 | |||
2922 | GtkWidget * | ||
2923 | osm_gps_map_new (void) | ||
2924 | { | ||
2925 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); | ||
2926 | } | ||
2927 | |||
2928 | void | ||
2929 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, | ||
2930 | gfloat *latitude, gfloat *longitude) | ||
2931 | { | ||
2932 | OsmGpsMapPrivate *priv; | ||
2933 | |||
2934 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2935 | priv = map->priv; | ||
2936 | |||
2937 | if (latitude) | ||
2938 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); | ||
2939 | if (longitude) | ||
2940 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); | ||
2941 | } | ||
2942 | |||
2943 | void | ||
2944 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, | ||
2945 | gfloat latitude, gfloat longitude, | ||
2946 | gint *pixel_x, gint *pixel_y) | ||
2947 | { | ||
2948 | OsmGpsMapPrivate *priv; | ||
2949 | |||
2950 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2951 | priv = map->priv; | ||
2952 | |||
2953 | if (pixel_x) | ||
2954 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - priv->map_x; | ||
2955 | if (pixel_y) | ||
2956 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - priv->map_y; | ||
2957 | } | ||
2958 | |||
2959 | void | ||
2960 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) | ||
2961 | { | ||
2962 | OsmGpsMapPrivate *priv; | ||
2963 | |||
2964 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2965 | priv = map->priv; | ||
2966 | |||
2967 | priv->center_coord_set = FALSE; | ||
2968 | priv->map_x += dx; | ||
2969 | priv->map_y += dy; | ||
2970 | |||
2971 | osm_gps_map_map_redraw_idle (map); | ||
2972 | } | ||
2973 | |||
2974 | harbaum | 55 | float |
2975 | osm_gps_map_get_scale(OsmGpsMap *map) | ||
2976 | { | ||
2977 | OsmGpsMapPrivate *priv; | ||
2978 | |||
2979 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_NAN); | ||
2980 | priv = map->priv; | ||
2981 | |||
2982 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); | ||
2983 | } | ||
2984 | |||
2985 | harbaum | 57 | void |
2986 | harbaum | 58 | osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
2987 | OsmGpsMapBalloonCallback cb, gpointer data) | ||
2988 | harbaum | 57 | { |
2989 | OsmGpsMapPrivate *priv; | ||
2990 | |||
2991 | /* remove and previously installed balloon */ | ||
2992 | osm_gps_map_clear_balloon (map); | ||
2993 | |||
2994 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2995 | priv = map->priv; | ||
2996 | |||
2997 | harbaum | 58 | priv->balloon.coo->rlat = deg2rad(latitude); |
2998 | priv->balloon.coo->rlon = deg2rad(longitude); | ||
2999 | priv->balloon.valid = TRUE; | ||
3000 | harbaum | 57 | |
3001 | harbaum | 58 | priv->balloon.cb = cb; |
3002 | priv->balloon.data = data; | ||
3003 | |||
3004 | harbaum | 57 | // this redraws the map |
3005 | osm_gps_map_map_redraw_idle(map); | ||
3006 | } | ||
3007 | |||
3008 | void | ||
3009 | osm_gps_map_clear_balloon (OsmGpsMap *map) | ||
3010 | { | ||
3011 | OsmGpsMapPrivate *priv; | ||
3012 | |||
3013 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3014 | priv = map->priv; | ||
3015 | |||
3016 | harbaum | 58 | priv->balloon.valid = FALSE; |
3017 | harbaum | 57 | |
3018 | osm_gps_map_map_redraw_idle(map); | ||
3019 | } |