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