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1 | /* -*- 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 | #include <glib/gstdio.h> |
37 | #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 | OsmGpsMapSource_t map_source; |
88 | char *repo_uri; |
89 | char *image_format; |
90 | 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 | #ifdef ENABLE_BALLOON |
102 | //a balloon with additional info |
103 | struct { |
104 | coord_t *coo; |
105 | gboolean valid; |
106 | OsmGpsMapRect_t rect; |
107 | OsmGpsMapBalloonCallback cb; |
108 | gpointer data; |
109 | } balloon; |
110 | #endif |
111 | |
112 | #ifdef ENABLE_OSD |
113 | //the osd controls |
114 | struct { |
115 | GdkPixmap *backup; |
116 | cairo_surface_t *overlay; |
117 | gint backup_x, backup_y; |
118 | OsmGpsMapOsdGpsCallback cb; |
119 | gpointer data; |
120 | } osd; |
121 | #endif |
122 | |
123 | //additional images or tracks added to the map |
124 | GSList *tracks; |
125 | GSList *images; |
126 | |
127 | //Used for storing the joined tiles |
128 | GdkPixmap *pixmap; |
129 | GdkGC *gc_map; |
130 | |
131 | //The tile painted when one cannot be found |
132 | GdkPixbuf *null_tile; |
133 | |
134 | //For tracking click and drag |
135 | int drag_counter; |
136 | int drag_mouse_dx; |
137 | int drag_mouse_dy; |
138 | int drag_start_mouse_x; |
139 | int drag_start_mouse_y; |
140 | int drag_start_map_x; |
141 | int drag_start_map_y; |
142 | |
143 | //for customizing the redering of the gps track |
144 | int ui_gps_track_width; |
145 | int ui_gps_point_inner_radius; |
146 | int ui_gps_point_outer_radius; |
147 | |
148 | guint is_disposed : 1; |
149 | guint dragging : 1; |
150 | guint center_coord_set : 1; |
151 | }; |
152 | |
153 | #define OSM_GPS_MAP_PRIVATE(o) (OSM_GPS_MAP (o)->priv) |
154 | |
155 | typedef struct |
156 | { |
157 | GdkPixbuf *pixbuf; |
158 | /* We keep track of the number of the redraw cycle this tile was last used, |
159 | * so that osm_gps_map_purge_cache() can remove the older ones */ |
160 | guint redraw_cycle; |
161 | } OsmCachedTile; |
162 | |
163 | enum |
164 | { |
165 | PROP_0, |
166 | |
167 | PROP_AUTO_CENTER, |
168 | PROP_RECORD_TRIP_HISTORY, |
169 | PROP_SHOW_TRIP_HISTORY, |
170 | PROP_AUTO_DOWNLOAD, |
171 | PROP_REPO_URI, |
172 | PROP_PROXY_URI, |
173 | PROP_TILE_CACHE_DIR, |
174 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, |
175 | PROP_ZOOM, |
176 | PROP_MAX_ZOOM, |
177 | PROP_MIN_ZOOM, |
178 | PROP_LATITUDE, |
179 | PROP_LONGITUDE, |
180 | PROP_MAP_X, |
181 | PROP_MAP_Y, |
182 | PROP_TILES_QUEUED, |
183 | PROP_GPS_TRACK_WIDTH, |
184 | PROP_GPS_POINT_R1, |
185 | PROP_GPS_POINT_R2, |
186 | PROP_MAP_SOURCE, |
187 | PROP_IMAGE_FORMAT |
188 | }; |
189 | |
190 | G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA); |
191 | |
192 | /* |
193 | * Drawing function forward defintions |
194 | */ |
195 | static gchar *replace_string(const gchar *src, const gchar *from, const gchar *to); |
196 | static void inspect_map_uri(OsmGpsMap *map); |
197 | static gchar *replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y); |
198 | static void osm_gps_map_print_images (OsmGpsMap *map); |
199 | static void osm_gps_map_draw_gps_point (OsmGpsMap *map); |
200 | static void osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y); |
201 | #ifdef LIBSOUP22 |
202 | static void osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data); |
203 | #else |
204 | static void osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data); |
205 | #endif |
206 | static void osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw); |
207 | static void osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y); |
208 | static void osm_gps_map_fill_tiles_pixel (OsmGpsMap *map); |
209 | static gboolean osm_gps_map_map_redraw (OsmGpsMap *map); |
210 | static void osm_gps_map_map_redraw_idle (OsmGpsMap *map); |
211 | |
212 | static void |
213 | cached_tile_free (OsmCachedTile *tile) |
214 | { |
215 | g_object_unref (tile->pixbuf); |
216 | g_slice_free (OsmCachedTile, tile); |
217 | } |
218 | |
219 | /* |
220 | * Description: |
221 | * Find and replace text within a string. |
222 | * |
223 | * Parameters: |
224 | * src (in) - pointer to source string |
225 | * from (in) - pointer to search text |
226 | * to (in) - pointer to replacement text |
227 | * |
228 | * Returns: |
229 | * Returns a pointer to dynamically-allocated memory containing string |
230 | * with occurences of the text pointed to by 'from' replaced by with the |
231 | * text pointed to by 'to'. |
232 | */ |
233 | static gchar * |
234 | replace_string(const gchar *src, const gchar *from, const gchar *to) |
235 | { |
236 | size_t size = strlen(src) + 1; |
237 | size_t fromlen = strlen(from); |
238 | size_t tolen = strlen(to); |
239 | |
240 | /* Allocate the first chunk with enough for the original string. */ |
241 | gchar *value = g_malloc(size); |
242 | |
243 | |
244 | /* We need to return 'value', so let's make a copy to mess around with. */ |
245 | gchar *dst = value; |
246 | |
247 | if ( value != NULL ) |
248 | { |
249 | for ( ;; ) |
250 | { |
251 | /* Try to find the search text. */ |
252 | const gchar *match = g_strstr_len(src, size, from); |
253 | if ( match != NULL ) |
254 | { |
255 | gchar *temp; |
256 | /* Find out how many characters to copy up to the 'match'. */ |
257 | size_t count = match - src; |
258 | |
259 | |
260 | /* Calculate the total size the string will be after the |
261 | * replacement is performed. */ |
262 | size += tolen - fromlen; |
263 | |
264 | temp = g_realloc(value, size); |
265 | if ( temp == NULL ) |
266 | { |
267 | g_free(value); |
268 | return NULL; |
269 | } |
270 | |
271 | /* we'll want to return 'value' eventually, so let's point it |
272 | * to the memory that we are now working with. |
273 | * And let's not forget to point to the right location in |
274 | * the destination as well. */ |
275 | dst = temp + (dst - value); |
276 | value = temp; |
277 | |
278 | /* |
279 | * Copy from the source to the point where we matched. Then |
280 | * move the source pointer ahead by the amount we copied. And |
281 | * move the destination pointer ahead by the same amount. |
282 | */ |
283 | g_memmove(dst, src, count); |
284 | src += count; |
285 | dst += count; |
286 | |
287 | /* Now copy in the replacement text 'to' at the position of |
288 | * the match. Adjust the source pointer by the text we replaced. |
289 | * Adjust the destination pointer by the amount of replacement |
290 | * text. */ |
291 | g_memmove(dst, to, tolen); |
292 | src += fromlen; |
293 | dst += tolen; |
294 | } |
295 | else |
296 | { |
297 | /* |
298 | * Copy any remaining part of the string. This includes the null |
299 | * termination character. |
300 | */ |
301 | strcpy(dst, src); |
302 | break; |
303 | } |
304 | } |
305 | } |
306 | return value; |
307 | } |
308 | |
309 | static void |
310 | map_convert_coords_to_quadtree_string(OsmGpsMap *map, gint x, gint y, gint zoomlevel, |
311 | gchar *buffer, const gchar initial, |
312 | const gchar *const quadrant) |
313 | { |
314 | gchar *ptr = buffer; |
315 | gint n; |
316 | |
317 | if (initial) |
318 | *ptr++ = initial; |
319 | |
320 | for(n = zoomlevel-1; n >= 0; n--) |
321 | { |
322 | gint xbit = (x >> n) & 1; |
323 | gint ybit = (y >> n) & 1; |
324 | *ptr++ = quadrant[xbit + 2 * ybit]; |
325 | } |
326 | |
327 | *ptr++ = '\0'; |
328 | } |
329 | |
330 | |
331 | static void |
332 | inspect_map_uri(OsmGpsMap *map) |
333 | { |
334 | OsmGpsMapPrivate *priv = map->priv; |
335 | |
336 | if (g_strrstr(priv->repo_uri, URI_MARKER_X)) |
337 | priv->uri_format |= URI_HAS_X; |
338 | |
339 | if (g_strrstr(priv->repo_uri, URI_MARKER_Y)) |
340 | priv->uri_format |= URI_HAS_Y; |
341 | |
342 | if (g_strrstr(priv->repo_uri, URI_MARKER_Z)) |
343 | priv->uri_format |= URI_HAS_Z; |
344 | |
345 | if (g_strrstr(priv->repo_uri, URI_MARKER_S)) |
346 | priv->uri_format |= URI_HAS_S; |
347 | |
348 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q)) |
349 | priv->uri_format |= URI_HAS_Q; |
350 | |
351 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q0)) |
352 | priv->uri_format |= URI_HAS_Q0; |
353 | |
354 | if (g_strrstr(priv->repo_uri, URI_MARKER_YS)) |
355 | priv->uri_format |= URI_HAS_YS; |
356 | |
357 | if (g_strrstr(priv->repo_uri, URI_MARKER_R)) |
358 | priv->uri_format |= URI_HAS_R; |
359 | |
360 | if (g_strrstr(priv->repo_uri, "google.com")) |
361 | priv->the_google = TRUE; |
362 | |
363 | g_debug("URI Format: 0x%X (google: %X)", priv->uri_format, priv->the_google); |
364 | |
365 | } |
366 | |
367 | static gchar * |
368 | replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y) |
369 | { |
370 | OsmGpsMapPrivate *priv = map->priv; |
371 | char *url; |
372 | unsigned int i; |
373 | char location[22]; |
374 | |
375 | i = 1; |
376 | url = g_strdup(uri); |
377 | while (i < URI_FLAG_END) |
378 | { |
379 | char *s = NULL; |
380 | char *old; |
381 | |
382 | old = url; |
383 | switch(i & priv->uri_format) |
384 | { |
385 | case URI_HAS_X: |
386 | s = g_strdup_printf("%d", x); |
387 | url = replace_string(url, URI_MARKER_X, s); |
388 | //g_debug("FOUND " URI_MARKER_X); |
389 | break; |
390 | case URI_HAS_Y: |
391 | s = g_strdup_printf("%d", y); |
392 | url = replace_string(url, URI_MARKER_Y, s); |
393 | //g_debug("FOUND " URI_MARKER_Y); |
394 | break; |
395 | case URI_HAS_Z: |
396 | s = g_strdup_printf("%d", zoom); |
397 | url = replace_string(url, URI_MARKER_Z, s); |
398 | //g_debug("FOUND " URI_MARKER_Z); |
399 | break; |
400 | case URI_HAS_S: |
401 | s = g_strdup_printf("%d", priv->max_zoom-zoom); |
402 | url = replace_string(url, URI_MARKER_S, s); |
403 | //g_debug("FOUND " URI_MARKER_S); |
404 | break; |
405 | case URI_HAS_Q: |
406 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'t',"qrts"); |
407 | s = g_strdup_printf("%s", location); |
408 | url = replace_string(url, URI_MARKER_Q, s); |
409 | //g_debug("FOUND " URI_MARKER_Q); |
410 | break; |
411 | case URI_HAS_Q0: |
412 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'\0', "0123"); |
413 | s = g_strdup_printf("%s", location); |
414 | url = replace_string(url, URI_MARKER_Q0, s); |
415 | //g_debug("FOUND " URI_MARKER_Q0); |
416 | break; |
417 | case URI_HAS_YS: |
418 | // s = g_strdup_printf("%d", y); |
419 | // url = replace_string(url, URI_MARKER_YS, s); |
420 | g_warning("FOUND " URI_MARKER_YS " NOT IMPLEMENTED"); |
421 | // retval = g_strdup_printf(repo->url, |
422 | // tilex, |
423 | // (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
424 | // zoom - (MAX_ZOOM - 17)); |
425 | break; |
426 | case URI_HAS_R: |
427 | s = g_strdup_printf("%d", g_random_int_range(0,4)); |
428 | url = replace_string(url, URI_MARKER_R, s); |
429 | //g_debug("FOUND " URI_MARKER_R); |
430 | break; |
431 | default: |
432 | s = NULL; |
433 | break; |
434 | } |
435 | |
436 | if (s) { |
437 | g_free(s); |
438 | g_free(old); |
439 | } |
440 | |
441 | i = (i << 1); |
442 | |
443 | } |
444 | |
445 | return url; |
446 | } |
447 | |
448 | static void |
449 | my_log_handler (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) |
450 | { |
451 | if (!(log_level & G_LOG_LEVEL_DEBUG) || ENABLE_DEBUG) |
452 | g_log_default_handler (log_domain, log_level, message, user_data); |
453 | } |
454 | |
455 | static float |
456 | osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon) |
457 | { |
458 | /* world at zoom 1 == 512 pixels */ |
459 | return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom)); |
460 | } |
461 | |
462 | /* clears the trip list and all resources */ |
463 | static void |
464 | osm_gps_map_free_trip (OsmGpsMap *map) |
465 | { |
466 | OsmGpsMapPrivate *priv = map->priv; |
467 | if (priv->trip_history) { |
468 | g_slist_foreach(priv->trip_history, (GFunc) g_free, NULL); |
469 | g_slist_free(priv->trip_history); |
470 | priv->trip_history = NULL; |
471 | } |
472 | } |
473 | |
474 | /* clears the tracks and all resources */ |
475 | static void |
476 | osm_gps_map_free_tracks (OsmGpsMap *map) |
477 | { |
478 | OsmGpsMapPrivate *priv = map->priv; |
479 | if (priv->tracks) |
480 | { |
481 | GSList* tmp = priv->tracks; |
482 | while (tmp != NULL) |
483 | { |
484 | g_slist_foreach(tmp->data, (GFunc) g_free, NULL); |
485 | g_slist_free(tmp->data); |
486 | tmp = g_slist_next(tmp); |
487 | } |
488 | g_slist_free(priv->tracks); |
489 | priv->tracks = NULL; |
490 | } |
491 | } |
492 | |
493 | /* free the poi image lists */ |
494 | static void |
495 | osm_gps_map_free_images (OsmGpsMap *map) |
496 | { |
497 | OsmGpsMapPrivate *priv = map->priv; |
498 | if (priv->images) { |
499 | GSList *list; |
500 | for(list = priv->images; list != NULL; list = list->next) |
501 | { |
502 | image_t *im = list->data; |
503 | g_object_unref(im->image); |
504 | g_free(im); |
505 | } |
506 | g_slist_free(priv->images); |
507 | priv->images = NULL; |
508 | } |
509 | } |
510 | |
511 | static void |
512 | osm_gps_map_print_images (OsmGpsMap *map) |
513 | { |
514 | GSList *list; |
515 | int x,y,pixel_x,pixel_y; |
516 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
517 | int map_x0, map_y0; |
518 | OsmGpsMapPrivate *priv = map->priv; |
519 | |
520 | map_x0 = priv->map_x - EXTRA_BORDER; |
521 | map_y0 = priv->map_y - EXTRA_BORDER; |
522 | for(list = priv->images; list != NULL; list = list->next) |
523 | { |
524 | image_t *im = list->data; |
525 | |
526 | // pixel_x,y, offsets |
527 | pixel_x = lon2pixel(priv->map_zoom, im->pt.rlon); |
528 | pixel_y = lat2pixel(priv->map_zoom, im->pt.rlat); |
529 | |
530 | g_debug("Image %dx%d @: %f,%f (%d,%d)", |
531 | im->w, im->h, |
532 | im->pt.rlat, im->pt.rlon, |
533 | pixel_x, pixel_y); |
534 | |
535 | x = pixel_x - map_x0; |
536 | y = pixel_y - map_y0; |
537 | |
538 | gdk_draw_pixbuf ( |
539 | priv->pixmap, |
540 | priv->gc_map, |
541 | im->image, |
542 | 0,0, |
543 | x-(im->w/2),y-(im->h/2), |
544 | im->w,im->h, |
545 | GDK_RGB_DITHER_NONE, 0, 0); |
546 | |
547 | max_x = MAX(x+im->w,max_x); |
548 | min_x = MIN(x-im->w,min_x); |
549 | max_y = MAX(y+im->h,max_y); |
550 | min_y = MIN(y-im->h,min_y); |
551 | } |
552 | |
553 | gtk_widget_queue_draw_area ( |
554 | GTK_WIDGET(map), |
555 | min_x + EXTRA_BORDER, min_y + EXTRA_BORDER, |
556 | max_x + EXTRA_BORDER, max_y + EXTRA_BORDER); |
557 | |
558 | } |
559 | |
560 | static void |
561 | osm_gps_map_draw_gps_point (OsmGpsMap *map) |
562 | { |
563 | OsmGpsMapPrivate *priv = map->priv; |
564 | |
565 | //incase we get called before we have got a gps point |
566 | if (priv->gps_valid) { |
567 | int map_x0, map_y0; |
568 | int x, y; |
569 | int r = priv->ui_gps_point_inner_radius; |
570 | int r2 = priv->ui_gps_point_outer_radius; |
571 | // int lw = priv->ui_gps_track_width; |
572 | int mr = MAX(r,r2); |
573 | |
574 | map_x0 = priv->map_x - EXTRA_BORDER; |
575 | map_y0 = priv->map_y - EXTRA_BORDER; |
576 | x = lon2pixel(priv->map_zoom, priv->gps->rlon) - map_x0; |
577 | y = lat2pixel(priv->map_zoom, priv->gps->rlat) - map_y0; |
578 | #ifdef USE_CAIRO |
579 | cairo_t *cr; |
580 | cairo_pattern_t *pat; |
581 | #else |
582 | GdkColor color; |
583 | GdkGC *marker; |
584 | #endif |
585 | |
586 | #ifdef USE_CAIRO |
587 | cr = gdk_cairo_create(priv->pixmap); |
588 | |
589 | // draw transparent area |
590 | if (r2 > 0) { |
591 | cairo_set_line_width (cr, 1.5); |
592 | cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 0.4); |
593 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
594 | cairo_fill (cr); |
595 | // draw transparent area border |
596 | cairo_set_source_rgba (cr, 0.55, 0.55, 0.55, 0.4); |
597 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
598 | cairo_stroke(cr); |
599 | } |
600 | |
601 | // draw ball gradient |
602 | if (r > 0) { |
603 | pat = cairo_pattern_create_radial (x-(r/5), y-(r/5), (r/5), x, y, r); |
604 | cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1.0); |
605 | cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 1, 1.0); |
606 | cairo_set_source (cr, pat); |
607 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
608 | cairo_fill (cr); |
609 | cairo_pattern_destroy (pat); |
610 | // draw ball border |
611 | cairo_set_line_width (cr, 1.0); |
612 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); |
613 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
614 | cairo_stroke(cr); |
615 | } |
616 | |
617 | cairo_destroy(cr); |
618 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
619 | x-mr, |
620 | y-mr, |
621 | mr*2, |
622 | mr*2); |
623 | #else |
624 | marker = gdk_gc_new(priv->pixmap); |
625 | color.red = 5000; |
626 | color.green = 5000; |
627 | color.blue = 55000; |
628 | gdk_gc_set_rgb_fg_color(marker, &color); |
629 | gdk_gc_set_line_attributes(marker, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
630 | |
631 | if (r2 > 0) { |
632 | gdk_draw_arc (priv->pixmap, |
633 | marker, |
634 | FALSE, //filled |
635 | x-r2, y-r2, // x,y |
636 | r2*2,r2*2, // width, height |
637 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
638 | } |
639 | if (r > 0) { |
640 | gdk_draw_arc (priv->pixmap, |
641 | marker, |
642 | TRUE, //filled |
643 | x-r, y-r, // x,y |
644 | r*2,r*2, // width, height |
645 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
646 | } |
647 | |
648 | g_object_unref(marker); |
649 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
650 | x-(mr+lw), |
651 | y-(mr+lw), |
652 | (mr*2)+lw+lw, |
653 | (mr*2)+lw+lw); |
654 | #endif |
655 | } |
656 | } |
657 | |
658 | #ifdef ENABLE_BALLOON |
659 | /* most visual effects are hardcoded by now, but may be made */ |
660 | /* available via properties later */ |
661 | #ifndef BALLOON_AREA_WIDTH |
662 | #define BALLOON_AREA_WIDTH 290 |
663 | #endif |
664 | #ifndef BALLOON_AREA_HEIGHT |
665 | #define BALLOON_AREA_HEIGHT 75 |
666 | #endif |
667 | #ifndef BALLOON_CORNER_RADIUS |
668 | #define BALLOON_CORNER_RADIUS 10 |
669 | #endif |
670 | |
671 | #define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) |
672 | #define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) |
673 | #define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) |
674 | #define BALLOON_TRANSPARENCY 0.8 |
675 | #define POINTER_HEIGHT 20 |
676 | #define POINTER_FOOT_WIDTH 20 |
677 | #define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) |
678 | #define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) |
679 | #define BALLOON_SHADOW_TRANSPARENCY 0.2 |
680 | |
681 | #define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
682 | |
683 | |
684 | /* draw the bubble shape. this is used twice, once for the shape and once */ |
685 | /* for the shadow */ |
686 | static void |
687 | osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, |
688 | gboolean bottom, int px, int py, int px0, int px1) { |
689 | |
690 | cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
691 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
692 | BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); |
693 | if(!bottom) { |
694 | /* insert top pointer */ |
695 | cairo_line_to (cr, px1, y0); |
696 | cairo_line_to (cr, px, py); |
697 | cairo_line_to (cr, px0, y0); |
698 | } |
699 | |
700 | cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); |
701 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
702 | BALLOON_CORNER_RADIUS, -M_PI/2, 0); |
703 | cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); |
704 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
705 | BALLOON_CORNER_RADIUS, 0, M_PI/2); |
706 | if(bottom) { |
707 | /* insert bottom pointer */ |
708 | cairo_line_to (cr, px0, y1); |
709 | cairo_line_to (cr, px, py); |
710 | cairo_line_to (cr, px1, y1); |
711 | } |
712 | |
713 | cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); |
714 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
715 | BALLOON_CORNER_RADIUS, M_PI/2, M_PI); |
716 | |
717 | cairo_close_path (cr); |
718 | } |
719 | |
720 | static void |
721 | osm_gps_map_draw_balloon_int (OsmGpsMap *map) |
722 | { |
723 | OsmGpsMapPrivate *priv = map->priv; |
724 | |
725 | if (priv->balloon.valid) { |
726 | |
727 | /* ------- convert given coordinate into screen position --------- */ |
728 | int x0 = lon2pixel(priv->map_zoom, priv->balloon.coo->rlon) - |
729 | priv->map_x + EXTRA_BORDER; |
730 | int y0 = lat2pixel(priv->map_zoom, priv->balloon.coo->rlat) - |
731 | priv->map_y + EXTRA_BORDER; |
732 | |
733 | /* check position of this relative to screen center to determine */ |
734 | /* pointer direction ... */ |
735 | int pointer_x = x0, pointer_x0, pointer_x1; |
736 | int pointer_y = y0; |
737 | |
738 | /* ... and calculate position */ |
739 | if((x0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.width/2) { |
740 | x0 -= BALLOON_WIDTH - POINTER_OFFSET; |
741 | pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
742 | pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; |
743 | } else { |
744 | x0 -= POINTER_OFFSET; |
745 | pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
746 | pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; |
747 | } |
748 | |
749 | gboolean bottom = FALSE; |
750 | if((y0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.height/2) { |
751 | bottom = TRUE; |
752 | y0 -= BALLOON_HEIGHT + POINTER_HEIGHT; |
753 | } else |
754 | y0 += POINTER_HEIGHT; |
755 | |
756 | /* calculate bottom/right of box */ |
757 | int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; |
758 | |
759 | /* save balloon screen coordinates for later use */ |
760 | priv->balloon.rect.x = x0 + BALLOON_BORDER; |
761 | priv->balloon.rect.y = y0 + BALLOON_BORDER; |
762 | priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; |
763 | priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; |
764 | |
765 | #ifdef USE_CAIRO |
766 | cairo_t *cr = gdk_cairo_create(priv->pixmap); |
767 | |
768 | /* --------- draw shadow --------------- */ |
769 | osm_gps_map_draw_balloon_shape (cr, |
770 | x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, |
771 | x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, |
772 | bottom, pointer_x, pointer_y, |
773 | pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); |
774 | |
775 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
776 | cairo_fill_preserve (cr); |
777 | cairo_set_source_rgba (cr, 1, 0, 0, 1.0); |
778 | cairo_set_line_width (cr, 0); |
779 | cairo_stroke (cr); |
780 | |
781 | /* --------- draw main shape ----------- */ |
782 | osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, |
783 | bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); |
784 | |
785 | cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); |
786 | cairo_fill_preserve (cr); |
787 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); |
788 | cairo_set_line_width (cr, 1); |
789 | cairo_stroke (cr); |
790 | |
791 | |
792 | /* ---------- draw close button --------- */ |
793 | |
794 | int cx = x1 - BALLOON_BORDER - CLOSE_BUTTON_RADIUS; |
795 | int cy = y0 + BALLOON_BORDER + CLOSE_BUTTON_RADIUS; |
796 | int crad = CLOSE_BUTTON_RADIUS; |
797 | |
798 | cairo_arc (cr, cx, cy, crad, 0, 2 * M_PI); |
799 | cairo_set_source_rgba (cr, 0.8, 0, 0, 1.0); |
800 | cairo_fill_preserve (cr); |
801 | cairo_set_source_rgba (cr, 0.3, 0, 0, 1.0); |
802 | cairo_set_line_width (cr, 2); |
803 | cairo_stroke(cr); |
804 | |
805 | cairo_set_source_rgba (cr, 1, 1, 1, 1.0); |
806 | cairo_set_line_width (cr, BALLOON_CORNER_RADIUS/3.3); |
807 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
808 | cairo_move_to (cr, cx - crad/2, cy - crad/2); |
809 | cairo_line_to (cr, cx + crad/2, cy + crad/2); |
810 | cairo_stroke (cr); |
811 | cairo_move_to (cr, cx + crad/2, cy - crad/2); |
812 | cairo_line_to (cr, cx - crad/2, cy + crad/2); |
813 | cairo_stroke (cr); |
814 | |
815 | if (priv->balloon.cb) { |
816 | /* clip in case application tries to draw in */ |
817 | /* exceed of the balloon */ |
818 | cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, |
819 | priv->balloon.rect.w, priv->balloon.rect.h); |
820 | cairo_clip (cr); |
821 | cairo_new_path (cr); /* current path is not |
822 | consumed by cairo_clip() */ |
823 | |
824 | priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); |
825 | } |
826 | |
827 | cairo_destroy(cr); |
828 | |
829 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
830 | x0, y0, BALLOON_WIDTH, |
831 | BALLOON_HEIGHT + POINTER_HEIGHT); |
832 | #else |
833 | #warning "Balloon display lacks a non-cairo implementation!" |
834 | #endif |
835 | } |
836 | } |
837 | |
838 | /* the user clicked into the balloons main area. handle this */ |
839 | static void |
840 | osm_gps_map_handle_balloon_click(OsmGpsMap *map, gint x, gint y) |
841 | { |
842 | OsmGpsMapPrivate *priv = map->priv; |
843 | |
844 | if (!priv->balloon.valid) |
845 | return; |
846 | |
847 | /* check if the close button was clicked */ |
848 | if ((x > priv->balloon.rect.w - 2*CLOSE_BUTTON_RADIUS) && |
849 | (x < priv->balloon.rect.w) && |
850 | (y > 0) && (y < 2*CLOSE_BUTTON_RADIUS)) { |
851 | |
852 | priv->balloon.valid = FALSE; |
853 | osm_gps_map_map_redraw_idle(map); |
854 | } |
855 | } |
856 | |
857 | /* return true if balloon is being displayed and if */ |
858 | /* the given coordinate is within this balloon */ |
859 | static gboolean |
860 | osm_gps_map_in_balloon(OsmGpsMapPrivate *priv, gint x, gint y) |
861 | { |
862 | return (priv->balloon.valid && |
863 | (x > priv->balloon.rect.x) && |
864 | (x < priv->balloon.rect.x + priv->balloon.rect.w) && |
865 | (y > priv->balloon.rect.y) && |
866 | (y < priv->balloon.rect.y + priv->balloon.rect.h)); |
867 | } |
868 | #endif // ENABLE_BALLOON |
869 | |
870 | static void |
871 | osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y) |
872 | { |
873 | OsmGpsMapPrivate *priv = map->priv; |
874 | |
875 | g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE); |
876 | |
877 | /* draw pixbuf onto pixmap */ |
878 | gdk_draw_pixbuf (priv->pixmap, |
879 | priv->gc_map, |
880 | pixbuf, |
881 | 0,0, |
882 | offset_x,offset_y, |
883 | TILESIZE,TILESIZE, |
884 | GDK_RGB_DITHER_NONE, 0, 0); |
885 | } |
886 | |
887 | /* libsoup-2.2 and libsoup-2.4 use different ways to store the body data */ |
888 | #ifdef LIBSOUP22 |
889 | #define soup_message_headers_append(a,b,c) soup_message_add_header(a,b,c) |
890 | #define MSG_RESPONSE_BODY(a) ((a)->response.body) |
891 | #define MSG_RESPONSE_LEN(a) ((a)->response.length) |
892 | #define MSG_RESPONSE_LEN_FORMAT "%u" |
893 | #else |
894 | #define MSG_RESPONSE_BODY(a) ((a)->response_body->data) |
895 | #define MSG_RESPONSE_LEN(a) ((a)->response_body->length) |
896 | #define MSG_RESPONSE_LEN_FORMAT "%lld" |
897 | #endif |
898 | |
899 | #ifdef LIBSOUP22 |
900 | static void |
901 | osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data) |
902 | #else |
903 | static void |
904 | osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data) |
905 | #endif |
906 | { |
907 | FILE *file; |
908 | tile_download_t *dl = (tile_download_t *)user_data; |
909 | OsmGpsMap *map = OSM_GPS_MAP(dl->map); |
910 | OsmGpsMapPrivate *priv = map->priv; |
911 | gboolean file_saved = FALSE; |
912 | |
913 | if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) |
914 | { |
915 | /* save tile into cachedir if one has been specified */ |
916 | if (priv->cache_dir) |
917 | { |
918 | if (g_mkdir_with_parents(dl->folder,0700) == 0) |
919 | { |
920 | file = g_fopen(dl->filename, "wb"); |
921 | if (file != NULL) |
922 | { |
923 | fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file); |
924 | file_saved = TRUE; |
925 | g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename); |
926 | fclose (file); |
927 | |
928 | } |
929 | } |
930 | else |
931 | { |
932 | g_warning("Error creating tile download directory: %s", |
933 | dl->folder); |
934 | perror("perror:"); |
935 | } |
936 | } |
937 | |
938 | if (dl->redraw) |
939 | { |
940 | GdkPixbuf *pixbuf = NULL; |
941 | |
942 | /* if the file was actually stored on disk, we can simply */ |
943 | /* load and decode it from that file */ |
944 | if (priv->cache_dir) |
945 | { |
946 | if (file_saved) |
947 | { |
948 | pixbuf = gdk_pixbuf_new_from_file (dl->filename, NULL); |
949 | } |
950 | } |
951 | else |
952 | { |
953 | GdkPixbufLoader *loader; |
954 | char *extension = strrchr (dl->filename, '.'); |
955 | |
956 | /* parse file directly from memory */ |
957 | if (extension) |
958 | { |
959 | loader = gdk_pixbuf_loader_new_with_type (extension+1, NULL); |
960 | if (!gdk_pixbuf_loader_write (loader, (unsigned char*)MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg), NULL)) |
961 | { |
962 | g_warning("Error: Decoding of image failed"); |
963 | } |
964 | gdk_pixbuf_loader_close(loader, NULL); |
965 | |
966 | pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); |
967 | |
968 | /* give up loader but keep the pixbuf */ |
969 | g_object_ref(pixbuf); |
970 | g_object_unref(loader); |
971 | } |
972 | else |
973 | { |
974 | g_warning("Error: Unable to determine image file format"); |
975 | } |
976 | } |
977 | |
978 | /* Store the tile into the cache */ |
979 | if (G_LIKELY (pixbuf)) |
980 | { |
981 | OsmCachedTile *tile = g_slice_new (OsmCachedTile); |
982 | tile->pixbuf = pixbuf; |
983 | tile->redraw_cycle = priv->redraw_cycle; |
984 | /* if the tile is already in the cache (it could be one |
985 | * rendered from another zoom level), it will be |
986 | * overwritten */ |
987 | g_hash_table_insert (priv->tile_cache, dl->filename, tile); |
988 | /* NULL-ify dl->filename so that it won't be freed, as |
989 | * we are using it as a key in the hash table */ |
990 | dl->filename = NULL; |
991 | } |
992 | osm_gps_map_map_redraw_idle (map); |
993 | } |
994 | g_hash_table_remove(priv->tile_queue, dl->uri); |
995 | |
996 | g_free(dl->uri); |
997 | g_free(dl->folder); |
998 | g_free(dl->filename); |
999 | g_free(dl); |
1000 | } |
1001 | else |
1002 | { |
1003 | g_warning("Error downloading tile: %d - %s", msg->status_code, msg->reason_phrase); |
1004 | if (msg->status_code == SOUP_STATUS_NOT_FOUND) |
1005 | { |
1006 | g_hash_table_insert(priv->missing_tiles, dl->uri, NULL); |
1007 | g_hash_table_remove(priv->tile_queue, dl->uri); |
1008 | } |
1009 | else if (msg->status_code == SOUP_STATUS_CANCELLED) |
1010 | { |
1011 | ;//application exiting |
1012 | } |
1013 | else |
1014 | { |
1015 | #ifdef LIBSOUP22 |
1016 | soup_session_requeue_message(dl->session, msg); |
1017 | #else |
1018 | soup_session_requeue_message(session, msg); |
1019 | #endif |
1020 | return; |
1021 | } |
1022 | } |
1023 | |
1024 | |
1025 | } |
1026 | |
1027 | static void |
1028 | osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw) |
1029 | { |
1030 | SoupMessage *msg; |
1031 | OsmGpsMapPrivate *priv = map->priv; |
1032 | tile_download_t *dl = g_new0(tile_download_t,1); |
1033 | |
1034 | //calculate the uri to download |
1035 | dl->uri = replace_map_uri(map, priv->repo_uri, zoom, x, y); |
1036 | |
1037 | #ifdef LIBSOUP22 |
1038 | dl->session = priv->soup_session; |
1039 | #endif |
1040 | |
1041 | //check the tile has not already been queued for download, |
1042 | //or has been attempted, and its missing |
1043 | if (g_hash_table_lookup_extended(priv->tile_queue, dl->uri, NULL, NULL) || |
1044 | g_hash_table_lookup_extended(priv->missing_tiles, dl->uri, NULL, NULL) ) |
1045 | { |
1046 | g_debug("Tile already downloading (or missing)"); |
1047 | g_free(dl->uri); |
1048 | g_free(dl); |
1049 | } else { |
1050 | dl->folder = g_strdup_printf("%s%c%d%c%d%c", |
1051 | priv->cache_dir, G_DIR_SEPARATOR, |
1052 | zoom, G_DIR_SEPARATOR, |
1053 | x, G_DIR_SEPARATOR); |
1054 | dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1055 | priv->cache_dir, G_DIR_SEPARATOR, |
1056 | zoom, G_DIR_SEPARATOR, |
1057 | x, G_DIR_SEPARATOR, |
1058 | y, |
1059 | priv->image_format); |
1060 | dl->map = map; |
1061 | dl->redraw = redraw; |
1062 | |
1063 | g_debug("Download tile: %d,%d z:%d\n\t%s --> %s", x, y, zoom, dl->uri, dl->filename); |
1064 | |
1065 | msg = soup_message_new (SOUP_METHOD_GET, dl->uri); |
1066 | if (msg) { |
1067 | if (priv->the_google) { |
1068 | //Set maps.google.com as the referrer |
1069 | g_debug("Setting Google Referrer"); |
1070 | soup_message_headers_append(msg->request_headers, "Referer", "http://maps.google.com/"); |
1071 | //For google satelite also set the appropriate cookie value |
1072 | if (priv->uri_format & URI_HAS_Q) { |
1073 | const char *cookie = g_getenv("GOOGLE_COOKIE"); |
1074 | if (cookie) { |
1075 | g_debug("Adding Google Cookie"); |
1076 | soup_message_headers_append(msg->request_headers, "Cookie", cookie); |
1077 | } |
1078 | } |
1079 | } |
1080 | |
1081 | g_hash_table_insert (priv->tile_queue, dl->uri, msg); |
1082 | soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl); |
1083 | } else { |
1084 | g_warning("Could not create soup message"); |
1085 | g_free(dl->uri); |
1086 | g_free(dl->folder); |
1087 | g_free(dl->filename); |
1088 | g_free(dl); |
1089 | } |
1090 | } |
1091 | } |
1092 | |
1093 | static GdkPixbuf * |
1094 | osm_gps_map_load_cached_tile (OsmGpsMap *map, int zoom, int x, int y) |
1095 | { |
1096 | OsmGpsMapPrivate *priv = map->priv; |
1097 | gchar *filename; |
1098 | GdkPixbuf *pixbuf = NULL; |
1099 | OsmCachedTile *tile; |
1100 | |
1101 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1102 | priv->cache_dir, G_DIR_SEPARATOR, |
1103 | zoom, G_DIR_SEPARATOR, |
1104 | x, G_DIR_SEPARATOR, |
1105 | y, |
1106 | priv->image_format); |
1107 | |
1108 | tile = g_hash_table_lookup (priv->tile_cache, filename); |
1109 | if (tile) |
1110 | { |
1111 | g_free (filename); |
1112 | } |
1113 | else |
1114 | { |
1115 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1116 | if (pixbuf) |
1117 | { |
1118 | tile = g_slice_new (OsmCachedTile); |
1119 | tile->pixbuf = pixbuf; |
1120 | g_hash_table_insert (priv->tile_cache, filename, tile); |
1121 | } |
1122 | } |
1123 | |
1124 | /* set/update the redraw_cycle timestamp on the tile */ |
1125 | if (tile) |
1126 | { |
1127 | tile->redraw_cycle = priv->redraw_cycle; |
1128 | pixbuf = g_object_ref (tile->pixbuf); |
1129 | } |
1130 | |
1131 | return pixbuf; |
1132 | } |
1133 | |
1134 | static GdkPixbuf * |
1135 | osm_gps_map_find_bigger_tile (OsmGpsMap *map, int zoom, int x, int y, |
1136 | int *zoom_found) |
1137 | { |
1138 | GdkPixbuf *pixbuf; |
1139 | int next_zoom, next_x, next_y; |
1140 | |
1141 | if (zoom == 0) return NULL; |
1142 | next_zoom = zoom - 1; |
1143 | next_x = x / 2; |
1144 | next_y = y / 2; |
1145 | pixbuf = osm_gps_map_load_cached_tile (map, next_zoom, next_x, next_y); |
1146 | if (pixbuf) |
1147 | *zoom_found = next_zoom; |
1148 | else |
1149 | pixbuf = osm_gps_map_find_bigger_tile (map, next_zoom, next_x, next_y, |
1150 | zoom_found); |
1151 | return pixbuf; |
1152 | } |
1153 | |
1154 | static GdkPixbuf * |
1155 | osm_gps_map_render_missing_tile_upscaled (OsmGpsMap *map, int zoom, |
1156 | int x, int y) |
1157 | { |
1158 | GdkPixbuf *pixbuf, *big, *area; |
1159 | int zoom_big, zoom_diff, area_size, area_x, area_y; |
1160 | int modulo; |
1161 | |
1162 | big = osm_gps_map_find_bigger_tile (map, zoom, x, y, &zoom_big); |
1163 | if (!big) return NULL; |
1164 | |
1165 | g_debug ("Found bigger tile (zoom = %d, wanted = %d)", zoom_big, zoom); |
1166 | |
1167 | /* get a Pixbuf for the area to magnify */ |
1168 | zoom_diff = zoom - zoom_big; |
1169 | area_size = TILESIZE >> zoom_diff; |
1170 | modulo = 1 << zoom_diff; |
1171 | area_x = (x % modulo) * area_size; |
1172 | area_y = (y % modulo) * area_size; |
1173 | area = gdk_pixbuf_new_subpixbuf (big, area_x, area_y, |
1174 | area_size, area_size); |
1175 | g_object_unref (big); |
1176 | pixbuf = gdk_pixbuf_scale_simple (area, TILESIZE, TILESIZE, |
1177 | GDK_INTERP_NEAREST); |
1178 | g_object_unref (area); |
1179 | return pixbuf; |
1180 | } |
1181 | |
1182 | static GdkPixbuf * |
1183 | osm_gps_map_render_missing_tile (OsmGpsMap *map, int zoom, int x, int y) |
1184 | { |
1185 | /* maybe TODO: render from downscaled tiles, if the following fails */ |
1186 | return osm_gps_map_render_missing_tile_upscaled (map, zoom, x, y); |
1187 | } |
1188 | |
1189 | static void |
1190 | osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y) |
1191 | { |
1192 | OsmGpsMapPrivate *priv = map->priv; |
1193 | gchar *filename; |
1194 | GdkPixbuf *pixbuf; |
1195 | |
1196 | g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom); |
1197 | |
1198 | if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) { |
1199 | osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y); |
1200 | return; |
1201 | } |
1202 | |
1203 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1204 | priv->cache_dir, G_DIR_SEPARATOR, |
1205 | zoom, G_DIR_SEPARATOR, |
1206 | x, G_DIR_SEPARATOR, |
1207 | y, |
1208 | priv->image_format); |
1209 | |
1210 | /* try to get file from internal cache first */ |
1211 | if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y))) |
1212 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1213 | |
1214 | if(pixbuf) |
1215 | { |
1216 | g_debug("Found tile %s", filename); |
1217 | osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y); |
1218 | g_object_unref (pixbuf); |
1219 | } |
1220 | else |
1221 | { |
1222 | if (priv->map_auto_download) |
1223 | osm_gps_map_download_tile(map, zoom, x, y, TRUE); |
1224 | |
1225 | /* try to render the tile by scaling cached tiles from other zoom |
1226 | * levels */ |
1227 | pixbuf = osm_gps_map_render_missing_tile (map, zoom, x, y); |
1228 | if (pixbuf) |
1229 | { |
1230 | gdk_draw_pixbuf (priv->pixmap, |
1231 | priv->gc_map, |
1232 | pixbuf, |
1233 | 0,0, |
1234 | offset_x,offset_y, |
1235 | TILESIZE,TILESIZE, |
1236 | GDK_RGB_DITHER_NONE, 0, 0); |
1237 | g_object_unref (pixbuf); |
1238 | } |
1239 | else |
1240 | { |
1241 | //prevent some artifacts when drawing not yet loaded areas. |
1242 | gdk_draw_rectangle (priv->pixmap, |
1243 | GTK_WIDGET(map)->style->white_gc, |
1244 | TRUE, offset_x, offset_y, TILESIZE, TILESIZE); |
1245 | } |
1246 | } |
1247 | g_free(filename); |
1248 | } |
1249 | |
1250 | static void |
1251 | osm_gps_map_fill_tiles_pixel (OsmGpsMap *map) |
1252 | { |
1253 | OsmGpsMapPrivate *priv = map->priv; |
1254 | int i,j, width, height, tile_x0, tile_y0, tiles_nx, tiles_ny; |
1255 | int offset_xn = 0; |
1256 | int offset_yn = 0; |
1257 | int offset_x; |
1258 | int offset_y; |
1259 | |
1260 | g_debug("Fill tiles: %d,%d z:%d", priv->map_x, priv->map_y, priv->map_zoom); |
1261 | |
1262 | offset_x = - priv->map_x % TILESIZE; |
1263 | offset_y = - priv->map_y % TILESIZE; |
1264 | if (offset_x > 0) offset_x -= TILESIZE; |
1265 | if (offset_y > 0) offset_y -= TILESIZE; |
1266 | |
1267 | offset_xn = offset_x + EXTRA_BORDER; |
1268 | offset_yn = offset_y + EXTRA_BORDER; |
1269 | |
1270 | width = GTK_WIDGET(map)->allocation.width; |
1271 | height = GTK_WIDGET(map)->allocation.height; |
1272 | |
1273 | tiles_nx = (width - offset_x) / TILESIZE + 1; |
1274 | tiles_ny = (height - offset_y) / TILESIZE + 1; |
1275 | |
1276 | tile_x0 = floor((float)priv->map_x / (float)TILESIZE); |
1277 | tile_y0 = floor((float)priv->map_y / (float)TILESIZE); |
1278 | |
1279 | //TODO: implement wrap around |
1280 | for (i=tile_x0; i<(tile_x0+tiles_nx);i++) |
1281 | { |
1282 | for (j=tile_y0; j<(tile_y0+tiles_ny); j++) |
1283 | { |
1284 | if( j<0 || i<0 || i>=exp(priv->map_zoom * M_LN2) || j>=exp(priv->map_zoom * M_LN2)) |
1285 | { |
1286 | gdk_draw_rectangle (priv->pixmap, |
1287 | GTK_WIDGET(map)->style->white_gc, |
1288 | TRUE, |
1289 | offset_xn, offset_yn, |
1290 | TILESIZE,TILESIZE); |
1291 | } |
1292 | else |
1293 | { |
1294 | osm_gps_map_load_tile(map, |
1295 | priv->map_zoom, |
1296 | i,j, |
1297 | offset_xn,offset_yn); |
1298 | } |
1299 | offset_yn += TILESIZE; |
1300 | } |
1301 | offset_xn += TILESIZE; |
1302 | offset_yn = offset_y + EXTRA_BORDER; |
1303 | } |
1304 | } |
1305 | |
1306 | static void |
1307 | osm_gps_map_print_track (OsmGpsMap *map, GSList *trackpoint_list) |
1308 | { |
1309 | OsmGpsMapPrivate *priv = map->priv; |
1310 | |
1311 | GSList *list; |
1312 | int x,y; |
1313 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
1314 | int lw = priv->ui_gps_track_width; |
1315 | int map_x0, map_y0; |
1316 | #ifdef USE_CAIRO |
1317 | cairo_t *cr; |
1318 | #else |
1319 | int last_x = 0, last_y = 0; |
1320 | GdkColor color; |
1321 | GdkGC *gc; |
1322 | #endif |
1323 | |
1324 | #ifdef USE_CAIRO |
1325 | cr = gdk_cairo_create(priv->pixmap); |
1326 | cairo_set_line_width (cr, lw); |
1327 | cairo_set_source_rgba (cr, 60000.0/65535.0, 0.0, 0.0, 0.6); |
1328 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1329 | cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); |
1330 | #else |
1331 | gc = gdk_gc_new(priv->pixmap); |
1332 | color.green = 0; |
1333 | color.blue = 0; |
1334 | color.red = 60000; |
1335 | gdk_gc_set_rgb_fg_color(gc, &color); |
1336 | gdk_gc_set_line_attributes(gc, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
1337 | #endif |
1338 | |
1339 | map_x0 = priv->map_x - EXTRA_BORDER; |
1340 | map_y0 = priv->map_y - EXTRA_BORDER; |
1341 | for(list = trackpoint_list; list != NULL; list = list->next) |
1342 | { |
1343 | coord_t *tp = list->data; |
1344 | |
1345 | x = lon2pixel(priv->map_zoom, tp->rlon) - map_x0; |
1346 | y = lat2pixel(priv->map_zoom, tp->rlat) - map_y0; |
1347 | |
1348 | // first time through loop |
1349 | if (list == trackpoint_list) { |
1350 | #ifdef USE_CAIRO |
1351 | cairo_move_to(cr, x, y); |
1352 | #else |
1353 | last_x = x; |
1354 | last_y = y; |
1355 | #endif |
1356 | } |
1357 | |
1358 | #ifdef USE_CAIRO |
1359 | cairo_line_to(cr, x, y); |
1360 | #else |
1361 | gdk_draw_line (priv->pixmap, gc, x, y, last_x, last_y); |
1362 | last_x = x; |
1363 | last_y = y; |
1364 | #endif |
1365 | |
1366 | max_x = MAX(x,max_x); |
1367 | min_x = MIN(x,min_x); |
1368 | max_y = MAX(y,max_y); |
1369 | min_y = MIN(y,min_y); |
1370 | } |
1371 | |
1372 | gtk_widget_queue_draw_area ( |
1373 | GTK_WIDGET(map), |
1374 | min_x - lw, |
1375 | min_y - lw, |
1376 | max_x + (lw * 2), |
1377 | max_y + (lw * 2)); |
1378 | |
1379 | #ifdef USE_CAIRO |
1380 | cairo_stroke(cr); |
1381 | cairo_destroy(cr); |
1382 | #else |
1383 | g_object_unref(gc); |
1384 | #endif |
1385 | } |
1386 | |
1387 | /* Prints the gps trip history, and any other tracks */ |
1388 | static void |
1389 | osm_gps_map_print_tracks (OsmGpsMap *map) |
1390 | { |
1391 | OsmGpsMapPrivate *priv = map->priv; |
1392 | |
1393 | if (priv->show_trip_history) |
1394 | osm_gps_map_print_track (map, priv->trip_history); |
1395 | |
1396 | if (priv->tracks) |
1397 | { |
1398 | GSList* tmp = priv->tracks; |
1399 | while (tmp != NULL) |
1400 | { |
1401 | osm_gps_map_print_track (map, tmp->data); |
1402 | tmp = g_slist_next(tmp); |
1403 | } |
1404 | } |
1405 | } |
1406 | |
1407 | static gboolean |
1408 | osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user) |
1409 | { |
1410 | return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle); |
1411 | } |
1412 | |
1413 | static void |
1414 | osm_gps_map_purge_cache (OsmGpsMap *map) |
1415 | { |
1416 | OsmGpsMapPrivate *priv = map->priv; |
1417 | |
1418 | if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size) |
1419 | return; |
1420 | |
1421 | /* run through the cache, and remove the tiles which have not been used |
1422 | * during the last redraw operation */ |
1423 | g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv); |
1424 | } |
1425 | |
1426 | #ifdef ENABLE_OSD |
1427 | /* position and extent of bounding box */ |
1428 | #define OSD_X (10) |
1429 | #define OSD_Y (10) |
1430 | |
1431 | #define OSD_COLOR 0.5, 0.5, 1 |
1432 | #define OSD_COLOR_DISABLED 0.8, 0.8, 0.8 |
1433 | |
1434 | /* parameters of the direction shape */ |
1435 | #ifndef OSM_GPS_MAP_OSD_DIAMETER |
1436 | #define D_RAD (30) // diameter of dpad |
1437 | #else |
1438 | #define D_RAD (OSM_GPS_MAP_OSD_DIAMETER) |
1439 | #endif |
1440 | #define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center |
1441 | #define D_LEN (D_RAD/4) // length of arrow |
1442 | #define D_WID (D_LEN) // width of arrow |
1443 | |
1444 | /* parameters of the "zoom" pad */ |
1445 | #define Z_STEP (D_RAD/4) // distance between dpad and zoom |
1446 | #define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar |
1447 | |
1448 | /* shadow also depends on control size */ |
1449 | #define OSD_SHADOW (D_RAD/6) |
1450 | |
1451 | /* total width and height of controls incl. shadow */ |
1452 | #define OSD_W (2*D_RAD + OSD_SHADOW) |
1453 | #define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) |
1454 | |
1455 | #define OSD_LBL_SHADOW (OSD_SHADOW/2) |
1456 | |
1457 | #define Z_TOP (2 * D_RAD + Z_STEP) |
1458 | #define Z_MID (Z_TOP + Z_RAD) |
1459 | #define Z_BOT (Z_MID + Z_RAD) |
1460 | #define Z_LEFT (Z_RAD) |
1461 | #define Z_RIGHT (2 * D_RAD - Z_RAD) |
1462 | |
1463 | /* create the cairo shape used for the zoom buttons */ |
1464 | static void |
1465 | osm_gps_map_osd_zoom_shape(cairo_t *cr, gint x, gint y) { |
1466 | cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); |
1467 | cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); |
1468 | cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); |
1469 | cairo_line_to (cr, x+Z_LEFT, y+Z_BOT); |
1470 | cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); |
1471 | } |
1472 | |
1473 | /* create the cairo shape used for the dpad */ |
1474 | static void |
1475 | osm_gps_map_osd_dpad_shape(cairo_t *cr, gint x, gint y) { |
1476 | cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); |
1477 | } |
1478 | |
1479 | typedef enum { |
1480 | OSD_NONE = 0, |
1481 | OSD_BG, |
1482 | OSD_UP, |
1483 | OSD_DOWN, |
1484 | OSD_LEFT, |
1485 | OSD_RIGHT, |
1486 | OSD_IN, |
1487 | OSD_OUT, |
1488 | OSD_GPS |
1489 | } osd_button_t; |
1490 | |
1491 | static gboolean |
1492 | osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) |
1493 | { |
1494 | return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
1495 | } |
1496 | |
1497 | /* check whether x/y is within the dpad */ |
1498 | static osd_button_t |
1499 | osm_gps_map_osd_check_dpad(gint x, gint y) |
1500 | { |
1501 | /* within entire dpad circle */ |
1502 | if( osm_gps_map_in_circle(x, y, OSD_X + D_RAD, OSD_Y + D_RAD, D_RAD)) |
1503 | { |
1504 | /* convert into position relative to dpads centre */ |
1505 | x -= (OSD_X + D_RAD); |
1506 | y -= (OSD_Y + D_RAD); |
1507 | |
1508 | /* check for dpad center goes here! */ |
1509 | if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) |
1510 | return OSD_GPS; |
1511 | |
1512 | if( y < 0 && abs(x) < abs(y)) |
1513 | return OSD_UP; |
1514 | |
1515 | if( y > 0 && abs(x) < abs(y)) |
1516 | return OSD_DOWN; |
1517 | |
1518 | if( x < 0 && abs(y) < abs(x)) |
1519 | return OSD_LEFT; |
1520 | |
1521 | if( x > 0 && abs(y) < abs(x)) |
1522 | return OSD_RIGHT; |
1523 | |
1524 | return OSD_BG; |
1525 | } |
1526 | return OSD_NONE; |
1527 | } |
1528 | |
1529 | /* check whether x/y is within the zoom pads */ |
1530 | static osd_button_t |
1531 | osm_gps_map_osd_check_zoom(gint x, gint y) { |
1532 | if( x > OSD_X && x < (OSD_X + OSD_W) && y > Z_TOP && y < (OSD_Y+Z_BOT)) { |
1533 | |
1534 | /* within circle around (-) label */ |
1535 | if( osm_gps_map_in_circle(x, y, OSD_X + Z_LEFT, OSD_Y + Z_MID, Z_RAD)) |
1536 | return OSD_OUT; |
1537 | |
1538 | /* between center of (-) button and center of entire zoom control area */ |
1539 | if(x > OSD_LEFT && x < OSD_X + D_RAD) |
1540 | return OSD_OUT; |
1541 | |
1542 | /* within circle around (+) label */ |
1543 | if( osm_gps_map_in_circle(x, y, OSD_X + Z_RIGHT, OSD_Y + Z_MID, Z_RAD)) |
1544 | return OSD_IN; |
1545 | |
1546 | /* between center of (+) button and center of entire zoom control area */ |
1547 | if(x < OSD_RIGHT && x > OSD_X + D_RAD) |
1548 | return OSD_IN; |
1549 | } |
1550 | |
1551 | return OSD_NONE; |
1552 | } |
1553 | |
1554 | static osd_button_t |
1555 | osm_gps_map_osd_check(gint x, gint y) { |
1556 | osd_button_t but = OSD_NONE; |
1557 | |
1558 | /* first do a rough test for the OSD area. */ |
1559 | /* this is just to avoid an unnecessary detailed test */ |
1560 | if(x > OSD_X && x < OSD_X + OSD_W && |
1561 | y > OSD_Y && y < OSD_Y + OSD_H) { |
1562 | but = osm_gps_map_osd_check_dpad(x, y); |
1563 | |
1564 | if(but == OSD_NONE) |
1565 | but = osm_gps_map_osd_check_zoom(x, y); |
1566 | } |
1567 | |
1568 | return but; |
1569 | } |
1570 | |
1571 | static void |
1572 | osm_gps_map_osd_shape_shadow(cairo_t *cr) { |
1573 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); |
1574 | cairo_fill (cr); |
1575 | cairo_stroke (cr); |
1576 | } |
1577 | |
1578 | static void |
1579 | osm_gps_map_osd_shape(cairo_t *cr) { |
1580 | cairo_set_source_rgb (cr, 1, 1, 1); |
1581 | cairo_fill_preserve (cr); |
1582 | cairo_set_source_rgb (cr, OSD_COLOR); |
1583 | cairo_set_line_width (cr, 1); |
1584 | cairo_stroke (cr); |
1585 | } |
1586 | |
1587 | static void |
1588 | osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
1589 | /* move reference to dpad center */ |
1590 | x += D_RAD; |
1591 | y += D_RAD; |
1592 | |
1593 | const static gint offset[][3][2] = { |
1594 | /* left arrow/triangle */ |
1595 | { { -D_TIP+D_LEN, -D_WID }, { -D_LEN, D_WID }, { +D_LEN, D_WID } }, |
1596 | /* right arrow/triangle */ |
1597 | { { +D_TIP-D_LEN, -D_WID }, { +D_LEN, D_WID }, { -D_LEN, D_WID } }, |
1598 | /* top arrow/triangle */ |
1599 | { { -D_WID, -D_TIP+D_LEN }, { D_WID, -D_LEN }, { D_WID, +D_LEN } }, |
1600 | /* bottom arrow/triangle */ |
1601 | { { -D_WID, +D_TIP-D_LEN }, { D_WID, +D_LEN }, { D_WID, -D_LEN } } |
1602 | }; |
1603 | |
1604 | int i; |
1605 | for(i=0;i<4;i++) { |
1606 | cairo_move_to (cr, x + offset[i][0][0], y + offset[i][0][1]); |
1607 | cairo_rel_line_to (cr, offset[i][1][0], offset[i][1][1]); |
1608 | cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); |
1609 | } |
1610 | } |
1611 | |
1612 | /* draw the sattelite dish icon in the center of the dpad */ |
1613 | #define GPS_V0 (D_RAD/8) |
1614 | #define GPS_V1 (D_RAD/10) |
1615 | #define GPS_V2 (D_RAD/5) |
1616 | |
1617 | /* draw a satellite receiver dish */ |
1618 | static void |
1619 | osm_gps_map_osd_dpad_gps(cairo_t *cr, gint x, gint y) { |
1620 | /* move reference to dpad center */ |
1621 | x += D_RAD; |
1622 | y += D_RAD + GPS_V0; |
1623 | |
1624 | cairo_move_to (cr, x-GPS_V0, y+GPS_V0); |
1625 | cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); |
1626 | cairo_rel_line_to (cr, +GPS_V0, +GPS_V0); |
1627 | cairo_close_path (cr); |
1628 | |
1629 | cairo_move_to (cr, x+GPS_V1-GPS_V2, y-2*GPS_V2); |
1630 | cairo_curve_to (cr, x-GPS_V2, y, x+GPS_V1, y+GPS_V1, x+GPS_V1+GPS_V2, y); |
1631 | cairo_close_path (cr); |
1632 | |
1633 | x += GPS_V1; |
1634 | cairo_move_to (cr, x, y-GPS_V2); |
1635 | cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); |
1636 | } |
1637 | |
1638 | #define Z_LEN (2*Z_RAD/3) |
1639 | |
1640 | static void |
1641 | osm_gps_map_osd_zoom_labels(cairo_t *cr, gint x, gint y) { |
1642 | cairo_move_to (cr, x + Z_LEFT - Z_LEN, y + Z_MID); |
1643 | cairo_line_to (cr, x + Z_LEFT + Z_LEN, y + Z_MID); |
1644 | |
1645 | cairo_move_to (cr, x + Z_RIGHT, y + Z_MID - Z_LEN); |
1646 | cairo_line_to (cr, x + Z_RIGHT, y + Z_MID + Z_LEN); |
1647 | cairo_move_to (cr, x + Z_RIGHT - Z_LEN, y + Z_MID); |
1648 | cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); |
1649 | } |
1650 | |
1651 | static void |
1652 | osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { |
1653 | if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); |
1654 | else cairo_set_source_rgb (cr, OSD_COLOR_DISABLED); |
1655 | cairo_set_line_width (cr, width); |
1656 | cairo_stroke (cr); |
1657 | } |
1658 | |
1659 | static void |
1660 | osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { |
1661 | cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); |
1662 | cairo_set_line_width (cr, width); |
1663 | cairo_stroke (cr); |
1664 | } |
1665 | |
1666 | static void |
1667 | osm_gps_map_osd_render(OsmGpsMapPrivate *priv) { |
1668 | |
1669 | /* first fill with transparency */ |
1670 | cairo_t *cr = cairo_create(priv->osd.overlay); |
1671 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1672 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1673 | cairo_paint(cr); |
1674 | |
1675 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1676 | |
1677 | /* --------- draw zoom and dpad shape shadow ----------- */ |
1678 | gint x = 0, y = 0; |
1679 | |
1680 | osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
1681 | osm_gps_map_osd_shape_shadow(cr); |
1682 | osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
1683 | osm_gps_map_osd_shape_shadow(cr); |
1684 | |
1685 | /* --------- draw zoom and dpad shape ----------- */ |
1686 | |
1687 | osm_gps_map_osd_zoom_shape(cr, x, y); |
1688 | osm_gps_map_osd_shape(cr); |
1689 | osm_gps_map_osd_dpad_shape(cr, x, y); |
1690 | osm_gps_map_osd_shape(cr); |
1691 | |
1692 | /* --------- draw zoom and dpad labels --------- */ |
1693 | |
1694 | osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
1695 | osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
1696 | osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE); |
1697 | osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
1698 | osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, priv->osd.cb != NULL); |
1699 | |
1700 | osm_gps_map_osd_zoom_labels(cr, x, y); |
1701 | osm_gps_map_osd_dpad_labels(cr, x, y); |
1702 | osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); |
1703 | osm_gps_map_osd_dpad_gps(cr, x, y); |
1704 | osm_gps_map_osd_labels(cr, Z_RAD/6, priv->osd.cb != NULL); |
1705 | |
1706 | cairo_destroy(cr); |
1707 | } |
1708 | |
1709 | static void |
1710 | osm_gps_map_osd_draw_controls (OsmGpsMap *map, gint xoffset, gint yoffset) |
1711 | { |
1712 | OsmGpsMapPrivate *priv = map->priv; |
1713 | |
1714 | /* backup previous contents */ |
1715 | if(!priv->osd.backup) |
1716 | priv->osd.backup = gdk_pixmap_new(priv->pixmap, OSD_W+2, OSD_H+2, -1); |
1717 | |
1718 | gint x = OSD_X + EXTRA_BORDER + xoffset; |
1719 | gint y = OSD_Y + EXTRA_BORDER + yoffset; |
1720 | |
1721 | /* create backup of background */ |
1722 | gdk_draw_drawable(priv->osd.backup, |
1723 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], |
1724 | priv->pixmap, x-1, y-1, 0, 0, OSD_W+2, OSD_H+2); |
1725 | |
1726 | priv->osd.backup_x = x-1; |
1727 | priv->osd.backup_y = y-1; |
1728 | |
1729 | |
1730 | #ifdef USE_CAIRO |
1731 | /* OSD itself uses some off-screen rendering, so check if the */ |
1732 | /* offscreen buffer is present and create it if not */ |
1733 | if(!priv->osd.overlay) { |
1734 | /* create overlay ... */ |
1735 | priv->osd.overlay = |
1736 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W, OSD_H); |
1737 | /* ... and render it */ |
1738 | osm_gps_map_osd_render(priv); |
1739 | } |
1740 | |
1741 | // now draw this onto the original context |
1742 | cairo_t *cr = gdk_cairo_create(priv->pixmap); |
1743 | cairo_set_source_surface(cr, priv->osd.overlay, x, y); |
1744 | cairo_paint(cr); |
1745 | cairo_destroy(cr); |
1746 | |
1747 | #else |
1748 | #warning "OSD control display lacks a non-cairo implementation!" |
1749 | #endif |
1750 | } |
1751 | |
1752 | static void |
1753 | osm_gps_map_osd_restore (OsmGpsMap *map) |
1754 | { |
1755 | OsmGpsMapPrivate *priv = map->priv; |
1756 | |
1757 | /* restore backup of previous contents */ |
1758 | if(priv->osd.backup) { |
1759 | /* create backup of background */ |
1760 | gdk_draw_drawable(priv->pixmap, |
1761 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], |
1762 | priv->osd.backup, 0, 0, |
1763 | priv->osd.backup_x, priv->osd.backup_y, OSD_W+2, OSD_H+2); |
1764 | } |
1765 | } |
1766 | |
1767 | #endif |
1768 | |
1769 | static gboolean |
1770 | osm_gps_map_map_redraw (OsmGpsMap *map) |
1771 | { |
1772 | OsmGpsMapPrivate *priv = map->priv; |
1773 | |
1774 | priv->idle_map_redraw = 0; |
1775 | |
1776 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we |
1777 | * change it while we are dragging, we will end up showing it in the wrong |
1778 | * place. This could be fixed by carefully recompute the coordinates, but |
1779 | * for now it's easier just to disable redrawing the map while dragging */ |
1780 | if (priv->dragging) |
1781 | return FALSE; |
1782 | |
1783 | priv->redraw_cycle++; |
1784 | |
1785 | /* draw white background to initialise pixmap */ |
1786 | gdk_draw_rectangle ( |
1787 | priv->pixmap, |
1788 | GTK_WIDGET(map)->style->white_gc, |
1789 | TRUE, |
1790 | 0, 0, |
1791 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, |
1792 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); |
1793 | |
1794 | osm_gps_map_fill_tiles_pixel(map); |
1795 | |
1796 | osm_gps_map_print_tracks(map); |
1797 | osm_gps_map_draw_gps_point(map); |
1798 | osm_gps_map_print_images(map); |
1799 | #ifdef ENABLE_BALLOON |
1800 | osm_gps_map_draw_balloon_int(map); |
1801 | #endif |
1802 | #ifdef ENABLE_OSD |
1803 | osm_gps_map_osd_draw_controls(map, 0, 0); |
1804 | #endif |
1805 | |
1806 | //osm_gps_map_osd_speed(map, 1.5); |
1807 | osm_gps_map_purge_cache(map); |
1808 | gtk_widget_queue_draw (GTK_WIDGET (map)); |
1809 | |
1810 | return FALSE; |
1811 | } |
1812 | |
1813 | static void |
1814 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) |
1815 | { |
1816 | OsmGpsMapPrivate *priv = map->priv; |
1817 | |
1818 | if (priv->idle_map_redraw == 0) |
1819 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); |
1820 | } |
1821 | |
1822 | static void |
1823 | osm_gps_map_init (OsmGpsMap *object) |
1824 | { |
1825 | OsmGpsMapPrivate *priv; |
1826 | |
1827 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); |
1828 | object->priv = priv; |
1829 | |
1830 | priv->pixmap = NULL; |
1831 | |
1832 | priv->trip_history = NULL; |
1833 | priv->gps = g_new0(coord_t, 1); |
1834 | priv->gps_valid = FALSE; |
1835 | |
1836 | #ifdef ENABLE_BALLOON |
1837 | priv->balloon.coo = g_new0(coord_t, 1); |
1838 | priv->balloon.valid = FALSE; |
1839 | priv->balloon.cb = NULL; |
1840 | #endif |
1841 | |
1842 | #ifdef ENABLE_OSD |
1843 | priv->osd.backup = NULL; |
1844 | priv->osd.overlay = NULL; |
1845 | priv->osd.cb = NULL; |
1846 | #endif |
1847 | |
1848 | priv->tracks = NULL; |
1849 | priv->images = NULL; |
1850 | |
1851 | priv->drag_counter = 0; |
1852 | priv->drag_mouse_dx = 0; |
1853 | priv->drag_mouse_dy = 0; |
1854 | priv->drag_start_mouse_x = 0; |
1855 | priv->drag_start_mouse_y = 0; |
1856 | |
1857 | priv->uri_format = 0; |
1858 | priv->the_google = FALSE; |
1859 | |
1860 | priv->map_source = -1; |
1861 | |
1862 | #ifndef LIBSOUP22 |
1863 | //Change naumber of concurrent connections option? |
1864 | priv->soup_session = soup_session_async_new_with_options( |
1865 | SOUP_SESSION_USER_AGENT, |
1866 | "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11", |
1867 | NULL); |
1868 | #else |
1869 | /* libsoup-2.2 seems not to be able to set the user agent */ |
1870 | priv->soup_session = soup_session_async_new(); |
1871 | #endif |
1872 | |
1873 | //Hash table which maps tile d/l URIs to SoupMessage requests |
1874 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); |
1875 | |
1876 | //Some mapping providers (Google) have varying degrees of tiles at multiple |
1877 | //zoom levels |
1878 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); |
1879 | |
1880 | /* memory cache for most recently used tiles */ |
1881 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, |
1882 | g_free, (GDestroyNotify)cached_tile_free); |
1883 | priv->max_tile_cache_size = 20; |
1884 | |
1885 | gtk_widget_add_events (GTK_WIDGET (object), |
1886 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
1887 | GDK_POINTER_MOTION_MASK | |
1888 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
1889 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); |
1890 | |
1891 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); |
1892 | } |
1893 | |
1894 | #ifndef G_CHECKSUM_MD5 |
1895 | /* simple hash algorithm hack if md5 is not present */ |
1896 | static char *simple_hash(char *str) { |
1897 | union { |
1898 | char str[4]; |
1899 | gulong val; |
1900 | } hash = { .val = 0x55555555 }; |
1901 | |
1902 | while(*str) { |
1903 | hash.str[(int)str & 3] ^= *str; |
1904 | str++; |
1905 | } |
1906 | return g_strdup_printf("%08lX", hash.val); |
1907 | } |
1908 | #endif |
1909 | |
1910 | static GObject * |
1911 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) |
1912 | { |
1913 | GObject *object; |
1914 | OsmGpsMapPrivate *priv; |
1915 | OsmGpsMap *map; |
1916 | const char *uri; |
1917 | |
1918 | //Always chain up to the parent constructor |
1919 | object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); |
1920 | map = OSM_GPS_MAP(object); |
1921 | priv = OSM_GPS_MAP_PRIVATE(object); |
1922 | |
1923 | //user can specify a map source ID, or a repo URI as the map source |
1924 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); |
1925 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { |
1926 | g_debug("Using null source"); |
1927 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; |
1928 | |
1929 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); |
1930 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); |
1931 | } |
1932 | else if (priv->map_source >= 0) { |
1933 | //check if the source given is valid |
1934 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); |
1935 | if (uri) { |
1936 | g_debug("Setting map source from ID"); |
1937 | g_free(priv->repo_uri); |
1938 | |
1939 | priv->repo_uri = g_strdup(uri); |
1940 | priv->image_format = g_strdup( |
1941 | osm_gps_map_source_get_image_format(priv->map_source)); |
1942 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); |
1943 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); |
1944 | } |
1945 | } |
1946 | |
1947 | if (!priv->cache_dir_is_full_path) { |
1948 | #ifdef G_CHECKSUM_MD5 |
1949 | char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1); |
1950 | #else |
1951 | char *md5 = simple_hash(priv->repo_uri); |
1952 | #endif |
1953 | |
1954 | if (priv->cache_dir) { |
1955 | char *old = priv->cache_dir; |
1956 | //the new cachedir is the given cache dir + the md5 of the repo_uri |
1957 | priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5); |
1958 | g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir); |
1959 | g_free(old); |
1960 | } else { |
1961 | //the new cachedir is the current dir + the md5 of the repo_uri |
1962 | priv->cache_dir = g_strdup(md5); |
1963 | } |
1964 | |
1965 | g_free(md5); |
1966 | } |
1967 | |
1968 | inspect_map_uri(map); |
1969 | |
1970 | return object; |
1971 | } |
1972 | |
1973 | static void |
1974 | osm_gps_map_dispose (GObject *object) |
1975 | { |
1976 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1977 | OsmGpsMapPrivate *priv = map->priv; |
1978 | |
1979 | if (priv->is_disposed) |
1980 | return; |
1981 | |
1982 | priv->is_disposed = TRUE; |
1983 | |
1984 | soup_session_abort(priv->soup_session); |
1985 | g_object_unref(priv->soup_session); |
1986 | |
1987 | g_hash_table_destroy(priv->tile_queue); |
1988 | g_hash_table_destroy(priv->missing_tiles); |
1989 | g_hash_table_destroy(priv->tile_cache); |
1990 | |
1991 | osm_gps_map_free_images(map); |
1992 | |
1993 | if(priv->pixmap) |
1994 | g_object_unref (priv->pixmap); |
1995 | |
1996 | if (priv->null_tile) |
1997 | g_object_unref (priv->null_tile); |
1998 | |
1999 | if(priv->gc_map) |
2000 | g_object_unref(priv->gc_map); |
2001 | |
2002 | if (priv->idle_map_redraw != 0) |
2003 | g_source_remove (priv->idle_map_redraw); |
2004 | |
2005 | g_free(priv->gps); |
2006 | |
2007 | #ifdef ENABLE_BALLOON |
2008 | g_free(priv->balloon.coo); |
2009 | #endif |
2010 | |
2011 | #ifdef ENABLE_OSD |
2012 | if (priv->osd.backup) |
2013 | g_object_unref(priv->osd.backup); |
2014 | |
2015 | if (priv->osd.overlay) |
2016 | cairo_surface_destroy(priv->osd.overlay); |
2017 | #endif |
2018 | |
2019 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
2020 | } |
2021 | |
2022 | static void |
2023 | osm_gps_map_finalize (GObject *object) |
2024 | { |
2025 | OsmGpsMap *map = OSM_GPS_MAP(object); |
2026 | OsmGpsMapPrivate *priv = map->priv; |
2027 | |
2028 | g_free(priv->cache_dir); |
2029 | g_free(priv->repo_uri); |
2030 | g_free(priv->image_format); |
2031 | |
2032 | osm_gps_map_free_trip(map); |
2033 | osm_gps_map_free_tracks(map); |
2034 | |
2035 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); |
2036 | } |
2037 | |
2038 | static void |
2039 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) |
2040 | { |
2041 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
2042 | OsmGpsMap *map = OSM_GPS_MAP(object); |
2043 | OsmGpsMapPrivate *priv = map->priv; |
2044 | |
2045 | switch (prop_id) |
2046 | { |
2047 | case PROP_AUTO_CENTER: |
2048 | priv->map_auto_center = g_value_get_boolean (value); |
2049 | break; |
2050 | case PROP_RECORD_TRIP_HISTORY: |
2051 | priv->record_trip_history = g_value_get_boolean (value); |
2052 | break; |
2053 | case PROP_SHOW_TRIP_HISTORY: |
2054 | priv->show_trip_history = g_value_get_boolean (value); |
2055 | break; |
2056 | case PROP_AUTO_DOWNLOAD: |
2057 | priv->map_auto_download = g_value_get_boolean (value); |
2058 | break; |
2059 | case PROP_REPO_URI: |
2060 | priv->repo_uri = g_value_dup_string (value); |
2061 | break; |
2062 | case PROP_PROXY_URI: |
2063 | if ( g_value_get_string(value) ) { |
2064 | priv->proxy_uri = g_value_dup_string (value); |
2065 | g_debug("Setting proxy server: %s", priv->proxy_uri); |
2066 | |
2067 | #ifndef LIBSOUP22 |
2068 | GValue val = {0}; |
2069 | |
2070 | SoupURI* uri = soup_uri_new(priv->proxy_uri); |
2071 | g_value_init(&val, SOUP_TYPE_URI); |
2072 | g_value_take_boxed(&val, uri); |
2073 | |
2074 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); |
2075 | #else |
2076 | SoupUri* uri = soup_uri_new(priv->proxy_uri); |
2077 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); |
2078 | #endif |
2079 | } else |
2080 | priv->proxy_uri = NULL; |
2081 | |
2082 | break; |
2083 | case PROP_TILE_CACHE_DIR: |
2084 | if ( g_value_get_string(value) ) |
2085 | priv->cache_dir = g_value_dup_string (value); |
2086 | break; |
2087 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: |
2088 | priv->cache_dir_is_full_path = g_value_get_boolean (value); |
2089 | break; |
2090 | case PROP_ZOOM: |
2091 | priv->map_zoom = g_value_get_int (value); |
2092 | break; |
2093 | case PROP_MAX_ZOOM: |
2094 | priv->max_zoom = g_value_get_int (value); |
2095 | break; |
2096 | case PROP_MIN_ZOOM: |
2097 | priv->min_zoom = g_value_get_int (value); |
2098 | break; |
2099 | case PROP_MAP_X: |
2100 | priv->map_x = g_value_get_int (value); |
2101 | priv->center_coord_set = FALSE; |
2102 | break; |
2103 | case PROP_MAP_Y: |
2104 | priv->map_y = g_value_get_int (value); |
2105 | priv->center_coord_set = FALSE; |
2106 | break; |
2107 | case PROP_GPS_TRACK_WIDTH: |
2108 | priv->ui_gps_track_width = g_value_get_int (value); |
2109 | break; |
2110 | case PROP_GPS_POINT_R1: |
2111 | priv->ui_gps_point_inner_radius = g_value_get_int (value); |
2112 | break; |
2113 | case PROP_GPS_POINT_R2: |
2114 | priv->ui_gps_point_outer_radius = g_value_get_int (value); |
2115 | break; |
2116 | case PROP_MAP_SOURCE: |
2117 | priv->map_source = g_value_get_int (value); |
2118 | break; |
2119 | case PROP_IMAGE_FORMAT: |
2120 | priv->image_format = g_value_dup_string (value); |
2121 | break; |
2122 | default: |
2123 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
2124 | break; |
2125 | } |
2126 | } |
2127 | |
2128 | static void |
2129 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) |
2130 | { |
2131 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
2132 | float lat,lon; |
2133 | OsmGpsMap *map = OSM_GPS_MAP(object); |
2134 | OsmGpsMapPrivate *priv = map->priv; |
2135 | |
2136 | switch (prop_id) |
2137 | { |
2138 | case PROP_AUTO_CENTER: |
2139 | g_value_set_boolean(value, priv->map_auto_center); |
2140 | break; |
2141 | case PROP_RECORD_TRIP_HISTORY: |
2142 | g_value_set_boolean(value, priv->record_trip_history); |
2143 | break; |
2144 | case PROP_SHOW_TRIP_HISTORY: |
2145 | g_value_set_boolean(value, priv->show_trip_history); |
2146 | break; |
2147 | case PROP_AUTO_DOWNLOAD: |
2148 | g_value_set_boolean(value, priv->map_auto_download); |
2149 | break; |
2150 | case PROP_REPO_URI: |
2151 | g_value_set_string(value, priv->repo_uri); |
2152 | break; |
2153 | case PROP_PROXY_URI: |
2154 | g_value_set_string(value, priv->proxy_uri); |
2155 | break; |
2156 | case PROP_TILE_CACHE_DIR: |
2157 | g_value_set_string(value, priv->cache_dir); |
2158 | break; |
2159 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: |
2160 | g_value_set_boolean(value, priv->cache_dir_is_full_path); |
2161 | break; |
2162 | case PROP_ZOOM: |
2163 | g_value_set_int(value, priv->map_zoom); |
2164 | break; |
2165 | case PROP_MAX_ZOOM: |
2166 | g_value_set_int(value, priv->max_zoom); |
2167 | break; |
2168 | case PROP_MIN_ZOOM: |
2169 | g_value_set_int(value, priv->min_zoom); |
2170 | break; |
2171 | case PROP_LATITUDE: |
2172 | lat = pixel2lat(priv->map_zoom, |
2173 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); |
2174 | g_value_set_float(value, rad2deg(lat)); |
2175 | break; |
2176 | case PROP_LONGITUDE: |
2177 | lon = pixel2lon(priv->map_zoom, |
2178 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); |
2179 | g_value_set_float(value, rad2deg(lon)); |
2180 | break; |
2181 | case PROP_MAP_X: |
2182 | g_value_set_int(value, priv->map_x); |
2183 | break; |
2184 | case PROP_MAP_Y: |
2185 | g_value_set_int(value, priv->map_y); |
2186 | break; |
2187 | case PROP_TILES_QUEUED: |
2188 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); |
2189 | break; |
2190 | case PROP_GPS_TRACK_WIDTH: |
2191 | g_value_set_int(value, priv->ui_gps_track_width); |
2192 | break; |
2193 | case PROP_GPS_POINT_R1: |
2194 | g_value_set_int(value, priv->ui_gps_point_inner_radius); |
2195 | break; |
2196 | case PROP_GPS_POINT_R2: |
2197 | g_value_set_int(value, priv->ui_gps_point_outer_radius); |
2198 | break; |
2199 | case PROP_MAP_SOURCE: |
2200 | g_value_set_int(value, priv->map_source); |
2201 | break; |
2202 | case PROP_IMAGE_FORMAT: |
2203 | g_value_set_string(value, priv->image_format); |
2204 | break; |
2205 | default: |
2206 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
2207 | break; |
2208 | } |
2209 | } |
2210 | |
2211 | static gboolean |
2212 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
2213 | { |
2214 | OsmGpsMap *map = OSM_GPS_MAP(widget); |
2215 | OsmGpsMapPrivate *priv = map->priv; |
2216 | |
2217 | if (event->direction == GDK_SCROLL_UP) |
2218 | { |
2219 | osm_gps_map_set_zoom(map, priv->map_zoom+1); |
2220 | } |
2221 | else |
2222 | { |
2223 | osm_gps_map_set_zoom(map, priv->map_zoom-1); |
2224 | } |
2225 | |
2226 | return FALSE; |
2227 | } |
2228 | |
2229 | static gboolean |
2230 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) |
2231 | { |
2232 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2233 | |
2234 | #ifdef ENABLE_BALLOON |
2235 | /* don't drag if the user clicked within the balloon */ |
2236 | if (osm_gps_map_in_balloon(priv, |
2237 | event->x + EXTRA_BORDER, |
2238 | event->y + EXTRA_BORDER)) |
2239 | { |
2240 | priv->drag_counter = -1; |
2241 | return FALSE; |
2242 | } |
2243 | #endif |
2244 | |
2245 | #ifdef ENABLE_OSD |
2246 | #define SCROLL_STEP 10 |
2247 | |
2248 | /* pressed inside OSD control? */ |
2249 | osd_button_t but = osm_gps_map_osd_check(event->x, event->y); |
2250 | if(but != OSD_NONE) |
2251 | { |
2252 | priv->drag_counter = -1; |
2253 | |
2254 | switch(but) { |
2255 | case OSD_GPS: |
2256 | priv->osd.cb(priv->osd.data); |
2257 | break; |
2258 | |
2259 | case OSD_UP: |
2260 | priv->map_y -= GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; |
2261 | priv->center_coord_set = FALSE; |
2262 | break; |
2263 | |
2264 | case OSD_DOWN: |
2265 | priv->map_y += GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; |
2266 | priv->center_coord_set = FALSE; |
2267 | break; |
2268 | |
2269 | case OSD_LEFT: |
2270 | priv->map_x -= GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; |
2271 | priv->center_coord_set = FALSE; |
2272 | break; |
2273 | |
2274 | case OSD_RIGHT: |
2275 | priv->map_x += GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; |
2276 | priv->center_coord_set = FALSE; |
2277 | break; |
2278 | |
2279 | case OSD_IN: |
2280 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
2281 | break; |
2282 | |
2283 | case OSD_OUT: |
2284 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
2285 | break; |
2286 | |
2287 | default: |
2288 | break; |
2289 | } |
2290 | |
2291 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2292 | |
2293 | return FALSE; |
2294 | } |
2295 | #endif |
2296 | |
2297 | priv->drag_counter = 0; |
2298 | priv->drag_start_mouse_x = (int) event->x; |
2299 | priv->drag_start_mouse_y = (int) event->y; |
2300 | priv->drag_start_map_x = priv->map_x; |
2301 | priv->drag_start_map_y = priv->map_y; |
2302 | |
2303 | return FALSE; |
2304 | } |
2305 | |
2306 | static gboolean |
2307 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) |
2308 | { |
2309 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2310 | |
2311 | #ifdef ENABLE_BALLOON |
2312 | /* released inside the balloon? */ |
2313 | if (osm_gps_map_in_balloon(priv, |
2314 | event->x + EXTRA_BORDER, |
2315 | event->y + EXTRA_BORDER)) |
2316 | { |
2317 | osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), |
2318 | event->x - priv->balloon.rect.x + EXTRA_BORDER, |
2319 | event->y - priv->balloon.rect.y + EXTRA_BORDER); |
2320 | } |
2321 | #endif |
2322 | |
2323 | if (priv->dragging) |
2324 | { |
2325 | priv->dragging = FALSE; |
2326 | |
2327 | priv->map_x = priv->drag_start_map_x; |
2328 | priv->map_y = priv->drag_start_map_y; |
2329 | |
2330 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); |
2331 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); |
2332 | |
2333 | priv->center_coord_set = FALSE; |
2334 | |
2335 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2336 | } |
2337 | |
2338 | priv->drag_mouse_dx = 0; |
2339 | priv->drag_mouse_dy = 0; |
2340 | priv->drag_counter = -1; |
2341 | |
2342 | return FALSE; |
2343 | } |
2344 | |
2345 | static gboolean |
2346 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) |
2347 | { |
2348 | int x, y; |
2349 | GdkModifierType state; |
2350 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2351 | |
2352 | if (event->is_hint) |
2353 | gdk_window_get_pointer (event->window, &x, &y, &state); |
2354 | else |
2355 | { |
2356 | x = event->x; |
2357 | y = event->y; |
2358 | state = event->state; |
2359 | } |
2360 | |
2361 | // are we being dragged |
2362 | if (!(state & GDK_BUTTON1_MASK)) |
2363 | return FALSE; |
2364 | |
2365 | if (priv->drag_counter < 0) |
2366 | return FALSE; |
2367 | |
2368 | priv->drag_counter++; |
2369 | |
2370 | // we havent dragged more than 6 pixels |
2371 | if (priv->drag_counter < 6) |
2372 | return FALSE; |
2373 | |
2374 | priv->dragging = TRUE; |
2375 | |
2376 | if (priv->map_auto_center) |
2377 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
2378 | |
2379 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; |
2380 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; |
2381 | |
2382 | #ifdef ENABLE_OSD |
2383 | /* undo OSD */ |
2384 | osm_gps_map_osd_restore (OSM_GPS_MAP(widget)); |
2385 | |
2386 | /* draw new OSD */ |
2387 | osm_gps_map_osd_draw_controls (OSM_GPS_MAP(widget), |
2388 | -priv->drag_mouse_dx, |
2389 | -priv->drag_mouse_dy); |
2390 | #endif |
2391 | |
2392 | gdk_draw_drawable ( |
2393 | widget->window, |
2394 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2395 | priv->pixmap, |
2396 | 0,0, |
2397 | priv->drag_mouse_dx - EXTRA_BORDER, priv->drag_mouse_dy - EXTRA_BORDER, |
2398 | -1,-1); |
2399 | |
2400 | //Paint white outside of the map if dragging. Its less |
2401 | //ugly than painting the corrupted map |
2402 | if(priv->drag_mouse_dx>EXTRA_BORDER) { |
2403 | gdk_draw_rectangle ( |
2404 | widget->window, |
2405 | widget->style->white_gc, |
2406 | TRUE, |
2407 | 0, 0, |
2408 | priv->drag_mouse_dx - EXTRA_BORDER, |
2409 | widget->allocation.height); |
2410 | } |
2411 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) |
2412 | { |
2413 | gdk_draw_rectangle ( |
2414 | widget->window, |
2415 | widget->style->white_gc, |
2416 | TRUE, |
2417 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, |
2418 | -priv->drag_mouse_dx - EXTRA_BORDER, |
2419 | widget->allocation.height); |
2420 | } |
2421 | |
2422 | if (priv->drag_mouse_dy>EXTRA_BORDER) { |
2423 | gdk_draw_rectangle ( |
2424 | widget->window, |
2425 | widget->style->white_gc, |
2426 | TRUE, |
2427 | 0, 0, |
2428 | widget->allocation.width, |
2429 | priv->drag_mouse_dy - EXTRA_BORDER); |
2430 | } |
2431 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) |
2432 | { |
2433 | gdk_draw_rectangle ( |
2434 | widget->window, |
2435 | widget->style->white_gc, |
2436 | TRUE, |
2437 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, |
2438 | widget->allocation.width, |
2439 | -priv->drag_mouse_dy - EXTRA_BORDER); |
2440 | } |
2441 | |
2442 | return FALSE; |
2443 | } |
2444 | |
2445 | static gboolean |
2446 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) |
2447 | { |
2448 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2449 | |
2450 | /* create pixmap */ |
2451 | if (priv->pixmap) |
2452 | g_object_unref (priv->pixmap); |
2453 | |
2454 | priv->pixmap = gdk_pixmap_new ( |
2455 | widget->window, |
2456 | widget->allocation.width + EXTRA_BORDER * 2, |
2457 | widget->allocation.height + EXTRA_BORDER * 2, |
2458 | -1); |
2459 | |
2460 | /* and gc, used for clipping (I think......) */ |
2461 | if(priv->gc_map) |
2462 | g_object_unref(priv->gc_map); |
2463 | |
2464 | priv->gc_map = gdk_gc_new(priv->pixmap); |
2465 | |
2466 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); |
2467 | |
2468 | return FALSE; |
2469 | } |
2470 | |
2471 | static gboolean |
2472 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) |
2473 | { |
2474 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2475 | |
2476 | gdk_draw_drawable ( |
2477 | widget->window, |
2478 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2479 | priv->pixmap, |
2480 | event->area.x + EXTRA_BORDER, |
2481 | event->area.y + EXTRA_BORDER, |
2482 | event->area.x, event->area.y, |
2483 | event->area.width, event->area.height); |
2484 | |
2485 | return FALSE; |
2486 | } |
2487 | |
2488 | static void |
2489 | osm_gps_map_class_init (OsmGpsMapClass *klass) |
2490 | { |
2491 | GObjectClass* object_class = G_OBJECT_CLASS (klass); |
2492 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
2493 | |
2494 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); |
2495 | |
2496 | object_class->dispose = osm_gps_map_dispose; |
2497 | object_class->finalize = osm_gps_map_finalize; |
2498 | object_class->constructor = osm_gps_map_constructor; |
2499 | object_class->set_property = osm_gps_map_set_property; |
2500 | object_class->get_property = osm_gps_map_get_property; |
2501 | |
2502 | widget_class->expose_event = osm_gps_map_expose; |
2503 | widget_class->configure_event = osm_gps_map_configure; |
2504 | widget_class->button_press_event = osm_gps_map_button_press; |
2505 | widget_class->button_release_event = osm_gps_map_button_release; |
2506 | widget_class->motion_notify_event = osm_gps_map_motion_notify; |
2507 | widget_class->scroll_event = osm_gps_map_scroll_event; |
2508 | |
2509 | g_object_class_install_property (object_class, |
2510 | PROP_AUTO_CENTER, |
2511 | g_param_spec_boolean ("auto-center", |
2512 | "auto center", |
2513 | "map auto center", |
2514 | TRUE, |
2515 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2516 | |
2517 | g_object_class_install_property (object_class, |
2518 | PROP_RECORD_TRIP_HISTORY, |
2519 | g_param_spec_boolean ("record-trip-history", |
2520 | "record trip history", |
2521 | "should all gps points be recorded in a trip history", |
2522 | TRUE, |
2523 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2524 | |
2525 | g_object_class_install_property (object_class, |
2526 | PROP_SHOW_TRIP_HISTORY, |
2527 | g_param_spec_boolean ("show-trip-history", |
2528 | "show trip history", |
2529 | "should the recorded trip history be shown on the map", |
2530 | TRUE, |
2531 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2532 | |
2533 | g_object_class_install_property (object_class, |
2534 | PROP_AUTO_DOWNLOAD, |
2535 | g_param_spec_boolean ("auto-download", |
2536 | "auto download", |
2537 | "map auto download", |
2538 | TRUE, |
2539 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2540 | |
2541 | g_object_class_install_property (object_class, |
2542 | PROP_REPO_URI, |
2543 | g_param_spec_string ("repo-uri", |
2544 | "repo uri", |
2545 | "map source tile repository uri", |
2546 | OSM_REPO_URI, |
2547 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2548 | |
2549 | g_object_class_install_property (object_class, |
2550 | PROP_PROXY_URI, |
2551 | g_param_spec_string ("proxy-uri", |
2552 | "proxy uri", |
2553 | "http proxy uri on NULL", |
2554 | NULL, |
2555 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2556 | |
2557 | g_object_class_install_property (object_class, |
2558 | PROP_TILE_CACHE_DIR, |
2559 | g_param_spec_string ("tile-cache", |
2560 | "tile cache", |
2561 | "osm local tile cache dir", |
2562 | NULL, |
2563 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2564 | |
2565 | g_object_class_install_property (object_class, |
2566 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, |
2567 | g_param_spec_boolean ("tile-cache-is-full-path", |
2568 | "tile cache is full path", |
2569 | "if true, the path passed to tile-cache is interpreted as the full cache path", |
2570 | FALSE, |
2571 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2572 | |
2573 | g_object_class_install_property (object_class, |
2574 | PROP_ZOOM, |
2575 | g_param_spec_int ("zoom", |
2576 | "zoom", |
2577 | "zoom level", |
2578 | MIN_ZOOM, /* minimum property value */ |
2579 | MAX_ZOOM, /* maximum property value */ |
2580 | 3, |
2581 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2582 | |
2583 | g_object_class_install_property (object_class, |
2584 | PROP_MAX_ZOOM, |
2585 | g_param_spec_int ("max-zoom", |
2586 | "max zoom", |
2587 | "maximum zoom level", |
2588 | MIN_ZOOM, /* minimum property value */ |
2589 | MAX_ZOOM, /* maximum property value */ |
2590 | OSM_MAX_ZOOM, |
2591 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2592 | |
2593 | g_object_class_install_property (object_class, |
2594 | PROP_MIN_ZOOM, |
2595 | g_param_spec_int ("min-zoom", |
2596 | "min zoom", |
2597 | "minimum zoom level", |
2598 | MIN_ZOOM, /* minimum property value */ |
2599 | MAX_ZOOM, /* maximum property value */ |
2600 | OSM_MIN_ZOOM, |
2601 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2602 | |
2603 | g_object_class_install_property (object_class, |
2604 | PROP_LATITUDE, |
2605 | g_param_spec_float ("latitude", |
2606 | "latitude", |
2607 | "latitude in degrees", |
2608 | -90.0, /* minimum property value */ |
2609 | 90.0, /* maximum property value */ |
2610 | 0, |
2611 | G_PARAM_READABLE)); |
2612 | |
2613 | g_object_class_install_property (object_class, |
2614 | PROP_LONGITUDE, |
2615 | g_param_spec_float ("longitude", |
2616 | "longitude", |
2617 | "longitude in degrees", |
2618 | -180.0, /* minimum property value */ |
2619 | 180.0, /* maximum property value */ |
2620 | 0, |
2621 | G_PARAM_READABLE)); |
2622 | |
2623 | g_object_class_install_property (object_class, |
2624 | PROP_MAP_X, |
2625 | g_param_spec_int ("map-x", |
2626 | "map-x", |
2627 | "initial map x location", |
2628 | G_MININT, /* minimum property value */ |
2629 | G_MAXINT, /* maximum property value */ |
2630 | 890, |
2631 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2632 | |
2633 | g_object_class_install_property (object_class, |
2634 | PROP_MAP_Y, |
2635 | g_param_spec_int ("map-y", |
2636 | "map-y", |
2637 | "initial map y location", |
2638 | G_MININT, /* minimum property value */ |
2639 | G_MAXINT, /* maximum property value */ |
2640 | 515, |
2641 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2642 | |
2643 | g_object_class_install_property (object_class, |
2644 | PROP_TILES_QUEUED, |
2645 | g_param_spec_int ("tiles-queued", |
2646 | "tiles-queued", |
2647 | "number of tiles currently waiting to download", |
2648 | G_MININT, /* minimum property value */ |
2649 | G_MAXINT, /* maximum property value */ |
2650 | 0, |
2651 | G_PARAM_READABLE)); |
2652 | |
2653 | g_object_class_install_property (object_class, |
2654 | PROP_GPS_TRACK_WIDTH, |
2655 | g_param_spec_int ("gps-track-width", |
2656 | "gps-track-width", |
2657 | "width of the lines drawn for the gps track", |
2658 | 1, /* minimum property value */ |
2659 | G_MAXINT, /* maximum property value */ |
2660 | 4, |
2661 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2662 | |
2663 | g_object_class_install_property (object_class, |
2664 | PROP_GPS_POINT_R1, |
2665 | g_param_spec_int ("gps-track-point-radius", |
2666 | "gps-track-point-radius", |
2667 | "radius of the gps point inner circle", |
2668 | 0, /* minimum property value */ |
2669 | G_MAXINT, /* maximum property value */ |
2670 | 10, |
2671 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2672 | |
2673 | g_object_class_install_property (object_class, |
2674 | PROP_GPS_POINT_R2, |
2675 | g_param_spec_int ("gps-track-highlight-radius", |
2676 | "gps-track-highlight-radius", |
2677 | "radius of the gps point highlight circle", |
2678 | 0, /* minimum property value */ |
2679 | G_MAXINT, /* maximum property value */ |
2680 | 20, |
2681 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2682 | |
2683 | g_object_class_install_property (object_class, |
2684 | PROP_MAP_SOURCE, |
2685 | g_param_spec_int ("map-source", |
2686 | "map source", |
2687 | "map source ID", |
2688 | -1, /* minimum property value */ |
2689 | G_MAXINT, /* maximum property value */ |
2690 | -1, |
2691 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2692 | |
2693 | g_object_class_install_property (object_class, |
2694 | PROP_IMAGE_FORMAT, |
2695 | g_param_spec_string ("image-format", |
2696 | "image format", |
2697 | "map source tile repository image format (jpg, png)", |
2698 | OSM_IMAGE_FORMAT, |
2699 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2700 | } |
2701 | |
2702 | const char* |
2703 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) |
2704 | { |
2705 | switch(source) |
2706 | { |
2707 | case OSM_GPS_MAP_SOURCE_NULL: |
2708 | return "None"; |
2709 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2710 | return "OpenStreetMap"; |
2711 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2712 | return "OpenStreetMap Renderer"; |
2713 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
2714 | return "OpenAerialMap"; |
2715 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2716 | return "Maps-For-Free"; |
2717 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2718 | return "Google Maps"; |
2719 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2720 | return "Google Satellite"; |
2721 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2722 | return "Google Hybrid"; |
2723 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2724 | return "Virtual Earth"; |
2725 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2726 | return "Virtual Earth Satellite"; |
2727 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2728 | return "Virtual Earth Hybrid"; |
2729 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2730 | return "Yahoo Maps"; |
2731 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2732 | return "Yahoo Satellite"; |
2733 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2734 | return "Yahoo Hybrid"; |
2735 | default: |
2736 | return NULL; |
2737 | } |
2738 | return NULL; |
2739 | } |
2740 | |
2741 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 |
2742 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup |
2743 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java |
2744 | //http://www.mgmaps.com/cache/MapTileCacher.perl |
2745 | const char* |
2746 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) |
2747 | { |
2748 | switch(source) |
2749 | { |
2750 | case OSM_GPS_MAP_SOURCE_NULL: |
2751 | return "none://"; |
2752 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2753 | return OSM_REPO_URI; |
2754 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2755 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; |
2756 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
2757 | return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg"; |
2758 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2759 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; |
2760 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2761 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; |
2762 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2763 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; |
2764 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2765 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ |
2766 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2767 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; |
2768 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2769 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; |
2770 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2771 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; |
2772 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2773 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2774 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2775 | /* TODO: Implement signed Y, aka U |
2776 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d |
2777 | * x = tilex, |
2778 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
2779 | * z = zoom - (MAX_ZOOM - 17)); |
2780 | */ |
2781 | return NULL; |
2782 | default: |
2783 | return NULL; |
2784 | } |
2785 | return NULL; |
2786 | } |
2787 | |
2788 | const char * |
2789 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) |
2790 | { |
2791 | switch(source) { |
2792 | case OSM_GPS_MAP_SOURCE_NULL: |
2793 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2794 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2795 | return "png"; |
2796 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
2797 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2798 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2799 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2800 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2801 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2802 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2803 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2804 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2805 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2806 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2807 | return "jpg"; |
2808 | default: |
2809 | return "bin"; |
2810 | } |
2811 | return "bin"; |
2812 | } |
2813 | |
2814 | |
2815 | int |
2816 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) |
2817 | { |
2818 | return 1; |
2819 | } |
2820 | |
2821 | int |
2822 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) |
2823 | { |
2824 | switch(source) { |
2825 | case OSM_GPS_MAP_SOURCE_NULL: |
2826 | return 18; |
2827 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2828 | return OSM_MAX_ZOOM; |
2829 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2830 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: |
2831 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2832 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2833 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2834 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2835 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2836 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2837 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2838 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2839 | return 17; |
2840 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2841 | return 11; |
2842 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2843 | return 18; |
2844 | default: |
2845 | return 17; |
2846 | } |
2847 | return 17; |
2848 | } |
2849 | |
2850 | void |
2851 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) |
2852 | { |
2853 | int i,j,zoom,num_tiles; |
2854 | OsmGpsMapPrivate *priv = map->priv; |
2855 | |
2856 | if (pt1 && pt2) |
2857 | { |
2858 | gchar *filename; |
2859 | num_tiles = 0; |
2860 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); |
2861 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); |
2862 | |
2863 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) |
2864 | { |
2865 | int x1,y1,x2,y2; |
2866 | |
2867 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); |
2868 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); |
2869 | |
2870 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); |
2871 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); |
2872 | |
2873 | // loop x1-x2 |
2874 | for(i=x1; i<=x2; i++) |
2875 | { |
2876 | // loop y1 - y2 |
2877 | for(j=y1; j<=y2; j++) |
2878 | { |
2879 | // x = i, y = j |
2880 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
2881 | priv->cache_dir, G_DIR_SEPARATOR, |
2882 | zoom, G_DIR_SEPARATOR, |
2883 | i, G_DIR_SEPARATOR, |
2884 | j, |
2885 | priv->image_format); |
2886 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) |
2887 | { |
2888 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); |
2889 | num_tiles++; |
2890 | } |
2891 | g_free(filename); |
2892 | } |
2893 | } |
2894 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); |
2895 | } |
2896 | } |
2897 | } |
2898 | |
2899 | void |
2900 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) |
2901 | { |
2902 | OsmGpsMapPrivate *priv = map->priv; |
2903 | |
2904 | if (pt1 && pt2) { |
2905 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); |
2906 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); |
2907 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); |
2908 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); |
2909 | |
2910 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); |
2911 | } |
2912 | } |
2913 | |
2914 | void |
2915 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) |
2916 | { |
2917 | osm_gps_map_set_center (map, latitude, longitude); |
2918 | osm_gps_map_set_zoom (map, zoom); |
2919 | } |
2920 | |
2921 | void |
2922 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) |
2923 | { |
2924 | int pixel_x, pixel_y; |
2925 | OsmGpsMapPrivate *priv; |
2926 | |
2927 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2928 | priv = map->priv; |
2929 | |
2930 | priv->center_rlat = deg2rad(latitude); |
2931 | priv->center_rlon = deg2rad(longitude); |
2932 | priv->center_coord_set = TRUE; |
2933 | |
2934 | // pixel_x,y, offsets |
2935 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); |
2936 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); |
2937 | |
2938 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2939 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2940 | |
2941 | osm_gps_map_map_redraw_idle(map); |
2942 | } |
2943 | |
2944 | int |
2945 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) |
2946 | { |
2947 | int zoom_old; |
2948 | double factor = 0.0; |
2949 | int width_center, height_center; |
2950 | OsmGpsMapPrivate *priv; |
2951 | |
2952 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); |
2953 | priv = map->priv; |
2954 | |
2955 | if (zoom != priv->map_zoom) |
2956 | { |
2957 | width_center = GTK_WIDGET(map)->allocation.width / 2; |
2958 | height_center = GTK_WIDGET(map)->allocation.height / 2; |
2959 | |
2960 | zoom_old = priv->map_zoom; |
2961 | //constrain zoom min_zoom -> max_zoom |
2962 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); |
2963 | |
2964 | if (priv->center_coord_set) |
2965 | { |
2966 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; |
2967 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; |
2968 | } |
2969 | else |
2970 | { |
2971 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); |
2972 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; |
2973 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; |
2974 | } |
2975 | |
2976 | g_debug("Zoom changed from %d to %d factor:%f x:%d", |
2977 | zoom_old, priv->map_zoom, factor, priv->map_x); |
2978 | |
2979 | osm_gps_map_map_redraw_idle(map); |
2980 | } |
2981 | return priv->map_zoom; |
2982 | } |
2983 | |
2984 | void |
2985 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) |
2986 | { |
2987 | OsmGpsMapPrivate *priv; |
2988 | |
2989 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2990 | priv = map->priv; |
2991 | |
2992 | if (track) { |
2993 | priv->tracks = g_slist_append(priv->tracks, track); |
2994 | osm_gps_map_map_redraw_idle(map); |
2995 | } |
2996 | } |
2997 | |
2998 | void |
2999 | osm_gps_map_clear_tracks (OsmGpsMap *map) |
3000 | { |
3001 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3002 | |
3003 | osm_gps_map_free_tracks(map); |
3004 | osm_gps_map_map_redraw_idle(map); |
3005 | } |
3006 | |
3007 | void |
3008 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) |
3009 | { |
3010 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3011 | |
3012 | if (image) { |
3013 | OsmGpsMapPrivate *priv = map->priv; |
3014 | image_t *im; |
3015 | |
3016 | //cache w/h for speed, and add image to list |
3017 | im = g_new0(image_t,1); |
3018 | im->w = gdk_pixbuf_get_width(image); |
3019 | im->h = gdk_pixbuf_get_height(image); |
3020 | im->pt.rlat = deg2rad(latitude); |
3021 | im->pt.rlon = deg2rad(longitude); |
3022 | |
3023 | g_object_ref(image); |
3024 | im->image = image; |
3025 | |
3026 | priv->images = g_slist_append(priv->images, im); |
3027 | |
3028 | osm_gps_map_map_redraw_idle(map); |
3029 | } |
3030 | } |
3031 | |
3032 | gboolean |
3033 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) |
3034 | { |
3035 | OsmGpsMapPrivate *priv = map->priv; |
3036 | if (priv->images) { |
3037 | GSList *list; |
3038 | for(list = priv->images; list != NULL; list = list->next) |
3039 | { |
3040 | image_t *im = list->data; |
3041 | if (im->image == image) |
3042 | { |
3043 | priv->images = g_slist_remove_link(priv->images, list); |
3044 | g_object_unref(im->image); |
3045 | g_free(im); |
3046 | osm_gps_map_map_redraw_idle(map); |
3047 | return TRUE; |
3048 | } |
3049 | } |
3050 | } |
3051 | return FALSE; |
3052 | } |
3053 | |
3054 | void |
3055 | osm_gps_map_clear_images (OsmGpsMap *map) |
3056 | { |
3057 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3058 | |
3059 | osm_gps_map_free_images(map); |
3060 | osm_gps_map_map_redraw_idle(map); |
3061 | } |
3062 | |
3063 | void |
3064 | osm_gps_map_osd_speed (OsmGpsMap *map, float speed) |
3065 | { |
3066 | OsmGpsMapPrivate *priv; |
3067 | |
3068 | PangoContext *context = NULL; |
3069 | PangoLayout *layout = NULL; |
3070 | PangoFontDescription *desc = NULL; |
3071 | |
3072 | GdkColor color; |
3073 | GdkGC *gc; |
3074 | |
3075 | gchar *buffer; |
3076 | //static int x = 10, y = 10; |
3077 | static int width = 0, height = 0; |
3078 | |
3079 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3080 | priv = map->priv; |
3081 | |
3082 | buffer = g_strdup_printf("%.0f", speed); |
3083 | |
3084 | /* pango initialisation */ |
3085 | context = gtk_widget_get_pango_context (GTK_WIDGET(map)); |
3086 | layout = pango_layout_new (context); |
3087 | desc = pango_font_description_new(); |
3088 | |
3089 | pango_font_description_set_size (desc, 40 * PANGO_SCALE); |
3090 | pango_layout_set_font_description (layout, desc); |
3091 | pango_layout_set_text (layout, buffer, strlen(buffer)); |
3092 | |
3093 | gc = gdk_gc_new (GTK_WIDGET(map)->window); |
3094 | |
3095 | color.red = (0 > 50) ? 0xffff : 0; |
3096 | color.green = 0; |
3097 | color.blue = 0; |
3098 | |
3099 | gdk_gc_set_rgb_fg_color (gc, &color); |
3100 | |
3101 | /* faster / less flicker alternative:*/ |
3102 | gdk_draw_drawable ( |
3103 | GTK_WIDGET(map)->window, |
3104 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(map)], |
3105 | priv->pixmap, |
3106 | 0,0, |
3107 | 0,0, |
3108 | width+10,width+10); |
3109 | |
3110 | gdk_draw_layout(GTK_WIDGET(map)->window, |
3111 | gc, |
3112 | 0, 0, |
3113 | layout); |
3114 | |
3115 | /* set width and height */ |
3116 | pango_layout_get_pixel_size(layout, &width, &height); |
3117 | |
3118 | g_free(buffer); |
3119 | pango_font_description_free (desc); |
3120 | g_object_unref (layout); |
3121 | g_object_unref (gc); |
3122 | } |
3123 | |
3124 | void |
3125 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) |
3126 | { |
3127 | int pixel_x, pixel_y; |
3128 | OsmGpsMapPrivate *priv; |
3129 | |
3130 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3131 | priv = map->priv; |
3132 | |
3133 | priv->gps->rlat = deg2rad(latitude); |
3134 | priv->gps->rlon = deg2rad(longitude); |
3135 | priv->gps_valid = TRUE; |
3136 | |
3137 | // pixel_x,y, offsets |
3138 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); |
3139 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); |
3140 | |
3141 | //If trip marker add to list of gps points. |
3142 | if (priv->record_trip_history) { |
3143 | coord_t *tp = g_new0(coord_t,1); |
3144 | tp->rlat = priv->gps->rlat; |
3145 | tp->rlon = priv->gps->rlon; |
3146 | priv->trip_history = g_slist_append(priv->trip_history, tp); |
3147 | } |
3148 | |
3149 | // dont draw anything if we are dragging |
3150 | if (priv->dragging) { |
3151 | g_debug("Dragging"); |
3152 | return; |
3153 | } |
3154 | |
3155 | //Automatically center the map if the track approaches the edge |
3156 | if(priv->map_auto_center) { |
3157 | int x = pixel_x - priv->map_x; |
3158 | int y = pixel_y - priv->map_y; |
3159 | int width = GTK_WIDGET(map)->allocation.width; |
3160 | int height = GTK_WIDGET(map)->allocation.height; |
3161 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || |
3162 | y < (height/2 - height/8) || y > (height/2 + height/8)) { |
3163 | |
3164 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
3165 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
3166 | priv->center_coord_set = FALSE; |
3167 | } |
3168 | } |
3169 | |
3170 | // this redraws the map (including the gps track, and adjusts the |
3171 | // map center if it was changed |
3172 | osm_gps_map_map_redraw_idle(map); |
3173 | } |
3174 | |
3175 | void |
3176 | osm_gps_map_clear_gps (OsmGpsMap *map) |
3177 | { |
3178 | osm_gps_map_free_trip(map); |
3179 | osm_gps_map_map_redraw_idle(map); |
3180 | } |
3181 | |
3182 | coord_t |
3183 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) |
3184 | { |
3185 | coord_t coord; |
3186 | OsmGpsMapPrivate *priv = map->priv; |
3187 | |
3188 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); |
3189 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); |
3190 | return coord; |
3191 | } |
3192 | |
3193 | GtkWidget * |
3194 | osm_gps_map_new (void) |
3195 | { |
3196 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); |
3197 | } |
3198 | |
3199 | void |
3200 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, |
3201 | gfloat *latitude, gfloat *longitude) |
3202 | { |
3203 | OsmGpsMapPrivate *priv; |
3204 | |
3205 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3206 | priv = map->priv; |
3207 | |
3208 | if (latitude) |
3209 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); |
3210 | if (longitude) |
3211 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); |
3212 | } |
3213 | |
3214 | void |
3215 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, |
3216 | gfloat latitude, gfloat longitude, |
3217 | gint *pixel_x, gint *pixel_y) |
3218 | { |
3219 | OsmGpsMapPrivate *priv; |
3220 | |
3221 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3222 | priv = map->priv; |
3223 | |
3224 | if (pixel_x) |
3225 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - priv->map_x; |
3226 | if (pixel_y) |
3227 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - priv->map_y; |
3228 | } |
3229 | |
3230 | void |
3231 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) |
3232 | { |
3233 | OsmGpsMapPrivate *priv; |
3234 | |
3235 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3236 | priv = map->priv; |
3237 | |
3238 | priv->center_coord_set = FALSE; |
3239 | priv->map_x += dx; |
3240 | priv->map_y += dy; |
3241 | |
3242 | osm_gps_map_map_redraw_idle (map); |
3243 | } |
3244 | |
3245 | float |
3246 | osm_gps_map_get_scale(OsmGpsMap *map) |
3247 | { |
3248 | OsmGpsMapPrivate *priv; |
3249 | |
3250 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_NAN); |
3251 | priv = map->priv; |
3252 | |
3253 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
3254 | } |
3255 | |
3256 | #ifdef ENABLE_BALLOON |
3257 | void |
3258 | osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
3259 | OsmGpsMapBalloonCallback cb, gpointer data) |
3260 | { |
3261 | OsmGpsMapPrivate *priv; |
3262 | |
3263 | /* remove and previously installed balloon */ |
3264 | osm_gps_map_clear_balloon (map); |
3265 | |
3266 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3267 | priv = map->priv; |
3268 | |
3269 | priv->balloon.coo->rlat = deg2rad(latitude); |
3270 | priv->balloon.coo->rlon = deg2rad(longitude); |
3271 | priv->balloon.valid = TRUE; |
3272 | |
3273 | priv->balloon.cb = cb; |
3274 | priv->balloon.data = data; |
3275 | |
3276 | // this redraws the map |
3277 | osm_gps_map_map_redraw_idle(map); |
3278 | } |
3279 | |
3280 | void |
3281 | osm_gps_map_clear_balloon (OsmGpsMap *map) |
3282 | { |
3283 | OsmGpsMapPrivate *priv; |
3284 | |
3285 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3286 | priv = map->priv; |
3287 | |
3288 | priv->balloon.valid = FALSE; |
3289 | |
3290 | osm_gps_map_map_redraw_idle(map); |
3291 | } |
3292 | #endif |
3293 | |
3294 | #ifdef ENABLE_OSD |
3295 | void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdGpsCallback cb, gpointer data) { |
3296 | OsmGpsMapPrivate *priv; |
3297 | |
3298 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3299 | priv = map->priv; |
3300 | |
3301 | priv->osd.cb = cb; |
3302 | priv->osd.data = data; |
3303 | |
3304 | /* this may have changed the state of the gps button */ |
3305 | /* we thus re-render the overlay */ |
3306 | osm_gps_map_osd_render(priv); |
3307 | |
3308 | osm_gps_map_map_redraw_idle(map); |
3309 | } |
3310 | #endif |