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release 0.8.9
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 | #define OSM_GPS_MAP_SCROLL_STEP 10 |
53 | |
54 | /* any defined key enables key support */ |
55 | #if (defined(OSM_GPS_MAP_KEY_FULLSCREEN) || \ |
56 | defined(OSM_GPS_MAP_KEY_ZOOMIN) || \ |
57 | defined(OSM_GPS_MAP_KEY_ZOOMOUT) || \ |
58 | defined(OSM_GPS_MAP_KEY_UP) || \ |
59 | defined(OSM_GPS_MAP_KEY_DOWN) || \ |
60 | defined(OSM_GPS_MAP_KEY_LEFT) || \ |
61 | defined(OSM_GPS_MAP_KEY_RIGHT)) |
62 | #define OSM_GPS_MAP_KEYS |
63 | #endif |
64 | |
65 | #ifdef OSM_GPS_MAP_KEYS |
66 | #include <gdk/gdkkeysyms.h> |
67 | #endif |
68 | |
69 | #define USER_AGENT "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11" |
70 | |
71 | struct _OsmGpsMapPrivate |
72 | { |
73 | GHashTable *tile_queue; |
74 | GHashTable *missing_tiles; |
75 | GHashTable *tile_cache; |
76 | |
77 | int map_zoom; |
78 | int max_zoom; |
79 | int min_zoom; |
80 | gboolean map_auto_center; |
81 | gboolean map_auto_download; |
82 | int map_x; |
83 | int map_y; |
84 | |
85 | /* Latitude and longitude of the center of the map, in radians */ |
86 | gfloat center_rlat; |
87 | gfloat center_rlon; |
88 | |
89 | guint max_tile_cache_size; |
90 | /* Incremented at each redraw */ |
91 | guint redraw_cycle; |
92 | /* ID of the idle redraw operation */ |
93 | guint idle_map_redraw; |
94 | |
95 | //how we download tiles |
96 | SoupSession *soup_session; |
97 | char *proxy_uri; |
98 | |
99 | //where downloaded tiles are cached |
100 | char *tile_dir; |
101 | char *cache_dir; |
102 | |
103 | //contains flags indicating the various special characters |
104 | //the uri string contains, that will be replaced when calculating |
105 | //the uri to download. |
106 | OsmGpsMapSource_t map_source; |
107 | char *repo_uri; |
108 | char *image_format; |
109 | int uri_format; |
110 | //flag indicating if the map source is located on the google |
111 | gboolean the_google; |
112 | |
113 | //gps tracking state |
114 | gboolean record_trip_history; |
115 | gboolean show_trip_history; |
116 | GSList *trip_history; |
117 | coord_t *gps; |
118 | float gps_heading; |
119 | gboolean gps_valid; |
120 | |
121 | #ifdef ENABLE_OSD |
122 | //the osd controls (if present) |
123 | osm_gps_map_osd_t *osd; |
124 | #ifdef OSD_DOUBLE_BUFFER |
125 | GdkPixmap *dbuf_pixmap; |
126 | #endif |
127 | #endif |
128 | |
129 | #ifdef OSM_GPS_MAP_KEY_FULLSCREEN |
130 | gboolean fullscreen; |
131 | #endif |
132 | |
133 | //additional images or tracks added to the map |
134 | GSList *tracks; |
135 | GSList *images; |
136 | |
137 | //Used for storing the joined tiles |
138 | GdkPixmap *pixmap; |
139 | GdkGC *gc_map; |
140 | |
141 | //The tile painted when one cannot be found |
142 | GdkPixbuf *null_tile; |
143 | |
144 | //For tracking click and drag |
145 | int drag_counter; |
146 | int drag_mouse_dx; |
147 | int drag_mouse_dy; |
148 | int drag_start_mouse_x; |
149 | int drag_start_mouse_y; |
150 | int drag_start_map_x; |
151 | int drag_start_map_y; |
152 | |
153 | //for customizing the redering of the gps track |
154 | int ui_gps_track_width; |
155 | int ui_gps_point_inner_radius; |
156 | int ui_gps_point_outer_radius; |
157 | |
158 | guint is_disposed : 1; |
159 | guint dragging : 1; |
160 | guint center_coord_set : 1; |
161 | }; |
162 | |
163 | #define OSM_GPS_MAP_PRIVATE(o) (OSM_GPS_MAP (o)->priv) |
164 | |
165 | typedef struct |
166 | { |
167 | GdkPixbuf *pixbuf; |
168 | /* We keep track of the number of the redraw cycle this tile was last used, |
169 | * so that osm_gps_map_purge_cache() can remove the older ones */ |
170 | guint redraw_cycle; |
171 | } OsmCachedTile; |
172 | |
173 | enum |
174 | { |
175 | PROP_0, |
176 | |
177 | PROP_AUTO_CENTER, |
178 | PROP_RECORD_TRIP_HISTORY, |
179 | PROP_SHOW_TRIP_HISTORY, |
180 | PROP_AUTO_DOWNLOAD, |
181 | PROP_REPO_URI, |
182 | PROP_PROXY_URI, |
183 | PROP_TILE_CACHE_DIR, |
184 | PROP_ZOOM, |
185 | PROP_MAX_ZOOM, |
186 | PROP_MIN_ZOOM, |
187 | PROP_LATITUDE, |
188 | PROP_LONGITUDE, |
189 | PROP_MAP_X, |
190 | PROP_MAP_Y, |
191 | PROP_TILES_QUEUED, |
192 | PROP_GPS_TRACK_WIDTH, |
193 | PROP_GPS_POINT_R1, |
194 | PROP_GPS_POINT_R2, |
195 | PROP_MAP_SOURCE, |
196 | PROP_IMAGE_FORMAT |
197 | }; |
198 | |
199 | G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA); |
200 | |
201 | /* |
202 | * Drawing function forward defintions |
203 | */ |
204 | static gchar *replace_string(const gchar *src, const gchar *from, const gchar *to); |
205 | static void inspect_map_uri(OsmGpsMap *map); |
206 | static gchar *replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y); |
207 | static void osm_gps_map_print_images (OsmGpsMap *map); |
208 | static void osm_gps_map_draw_gps_point (OsmGpsMap *map); |
209 | static void osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y); |
210 | #ifdef LIBSOUP22 |
211 | static void osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data); |
212 | #else |
213 | static void osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data); |
214 | #endif |
215 | static void osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw); |
216 | static void osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y); |
217 | static void osm_gps_map_fill_tiles_pixel (OsmGpsMap *map); |
218 | static gboolean osm_gps_map_map_redraw (OsmGpsMap *map); |
219 | static void osm_gps_map_map_redraw_idle (OsmGpsMap *map); |
220 | |
221 | static void |
222 | cached_tile_free (OsmCachedTile *tile) |
223 | { |
224 | g_object_unref (tile->pixbuf); |
225 | g_slice_free (OsmCachedTile, tile); |
226 | } |
227 | |
228 | /* |
229 | * Description: |
230 | * Find and replace text within a string. |
231 | * |
232 | * Parameters: |
233 | * src (in) - pointer to source string |
234 | * from (in) - pointer to search text |
235 | * to (in) - pointer to replacement text |
236 | * |
237 | * Returns: |
238 | * Returns a pointer to dynamically-allocated memory containing string |
239 | * with occurences of the text pointed to by 'from' replaced by with the |
240 | * text pointed to by 'to'. |
241 | */ |
242 | static gchar * |
243 | replace_string(const gchar *src, const gchar *from, const gchar *to) |
244 | { |
245 | size_t size = strlen(src) + 1; |
246 | size_t fromlen = strlen(from); |
247 | size_t tolen = strlen(to); |
248 | |
249 | /* Allocate the first chunk with enough for the original string. */ |
250 | gchar *value = g_malloc(size); |
251 | |
252 | |
253 | /* We need to return 'value', so let's make a copy to mess around with. */ |
254 | gchar *dst = value; |
255 | |
256 | if ( value != NULL ) |
257 | { |
258 | for ( ;; ) |
259 | { |
260 | /* Try to find the search text. */ |
261 | const gchar *match = g_strstr_len(src, size, from); |
262 | if ( match != NULL ) |
263 | { |
264 | gchar *temp; |
265 | /* Find out how many characters to copy up to the 'match'. */ |
266 | size_t count = match - src; |
267 | |
268 | |
269 | /* Calculate the total size the string will be after the |
270 | * replacement is performed. */ |
271 | size += tolen - fromlen; |
272 | |
273 | temp = g_realloc(value, size); |
274 | if ( temp == NULL ) |
275 | { |
276 | g_free(value); |
277 | return NULL; |
278 | } |
279 | |
280 | /* we'll want to return 'value' eventually, so let's point it |
281 | * to the memory that we are now working with. |
282 | * And let's not forget to point to the right location in |
283 | * the destination as well. */ |
284 | dst = temp + (dst - value); |
285 | value = temp; |
286 | |
287 | /* |
288 | * Copy from the source to the point where we matched. Then |
289 | * move the source pointer ahead by the amount we copied. And |
290 | * move the destination pointer ahead by the same amount. |
291 | */ |
292 | g_memmove(dst, src, count); |
293 | src += count; |
294 | dst += count; |
295 | |
296 | /* Now copy in the replacement text 'to' at the position of |
297 | * the match. Adjust the source pointer by the text we replaced. |
298 | * Adjust the destination pointer by the amount of replacement |
299 | * text. */ |
300 | g_memmove(dst, to, tolen); |
301 | src += fromlen; |
302 | dst += tolen; |
303 | } |
304 | else |
305 | { |
306 | /* |
307 | * Copy any remaining part of the string. This includes the null |
308 | * termination character. |
309 | */ |
310 | strcpy(dst, src); |
311 | break; |
312 | } |
313 | } |
314 | } |
315 | return value; |
316 | } |
317 | |
318 | static void |
319 | map_convert_coords_to_quadtree_string(OsmGpsMap *map, gint x, gint y, gint zoomlevel, |
320 | gchar *buffer, const gchar initial, |
321 | const gchar *const quadrant) |
322 | { |
323 | gchar *ptr = buffer; |
324 | gint n; |
325 | |
326 | if (initial) |
327 | *ptr++ = initial; |
328 | |
329 | for(n = zoomlevel-1; n >= 0; n--) |
330 | { |
331 | gint xbit = (x >> n) & 1; |
332 | gint ybit = (y >> n) & 1; |
333 | *ptr++ = quadrant[xbit + 2 * ybit]; |
334 | } |
335 | |
336 | *ptr++ = '\0'; |
337 | } |
338 | |
339 | |
340 | static void |
341 | inspect_map_uri(OsmGpsMap *map) |
342 | { |
343 | OsmGpsMapPrivate *priv = map->priv; |
344 | priv->uri_format = 0; |
345 | priv->the_google = FALSE; |
346 | |
347 | if (g_strrstr(priv->repo_uri, URI_MARKER_X)) |
348 | priv->uri_format |= URI_HAS_X; |
349 | |
350 | if (g_strrstr(priv->repo_uri, URI_MARKER_Y)) |
351 | priv->uri_format |= URI_HAS_Y; |
352 | |
353 | if (g_strrstr(priv->repo_uri, URI_MARKER_Z)) |
354 | priv->uri_format |= URI_HAS_Z; |
355 | |
356 | if (g_strrstr(priv->repo_uri, URI_MARKER_S)) |
357 | priv->uri_format |= URI_HAS_S; |
358 | |
359 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q)) |
360 | priv->uri_format |= URI_HAS_Q; |
361 | |
362 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q0)) |
363 | priv->uri_format |= URI_HAS_Q0; |
364 | |
365 | if (g_strrstr(priv->repo_uri, URI_MARKER_YS)) |
366 | priv->uri_format |= URI_HAS_YS; |
367 | |
368 | if (g_strrstr(priv->repo_uri, URI_MARKER_R)) |
369 | priv->uri_format |= URI_HAS_R; |
370 | |
371 | if (g_strrstr(priv->repo_uri, "google.com")) |
372 | priv->the_google = TRUE; |
373 | |
374 | g_debug("URI Format: 0x%X (google: %X)", priv->uri_format, priv->the_google); |
375 | |
376 | } |
377 | |
378 | static gchar * |
379 | replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y) |
380 | { |
381 | OsmGpsMapPrivate *priv = map->priv; |
382 | char *url; |
383 | unsigned int i; |
384 | char location[22]; |
385 | |
386 | i = 1; |
387 | url = g_strdup(uri); |
388 | while (i < URI_FLAG_END) |
389 | { |
390 | char *s = NULL; |
391 | char *old; |
392 | |
393 | old = url; |
394 | switch(i & priv->uri_format) |
395 | { |
396 | case URI_HAS_X: |
397 | s = g_strdup_printf("%d", x); |
398 | url = replace_string(url, URI_MARKER_X, s); |
399 | //g_debug("FOUND " URI_MARKER_X); |
400 | break; |
401 | case URI_HAS_Y: |
402 | s = g_strdup_printf("%d", y); |
403 | url = replace_string(url, URI_MARKER_Y, s); |
404 | //g_debug("FOUND " URI_MARKER_Y); |
405 | break; |
406 | case URI_HAS_Z: |
407 | s = g_strdup_printf("%d", zoom); |
408 | url = replace_string(url, URI_MARKER_Z, s); |
409 | //g_debug("FOUND " URI_MARKER_Z); |
410 | break; |
411 | case URI_HAS_S: |
412 | s = g_strdup_printf("%d", priv->max_zoom-zoom); |
413 | url = replace_string(url, URI_MARKER_S, s); |
414 | //g_debug("FOUND " URI_MARKER_S); |
415 | break; |
416 | case URI_HAS_Q: |
417 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'t',"qrts"); |
418 | s = g_strdup_printf("%s", location); |
419 | url = replace_string(url, URI_MARKER_Q, s); |
420 | //g_debug("FOUND " URI_MARKER_Q); |
421 | break; |
422 | case URI_HAS_Q0: |
423 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'\0', "0123"); |
424 | s = g_strdup_printf("%s", location); |
425 | url = replace_string(url, URI_MARKER_Q0, s); |
426 | //g_debug("FOUND " URI_MARKER_Q0); |
427 | break; |
428 | case URI_HAS_YS: |
429 | // s = g_strdup_printf("%d", y); |
430 | // url = replace_string(url, URI_MARKER_YS, s); |
431 | g_warning("FOUND " URI_MARKER_YS " NOT IMPLEMENTED"); |
432 | // retval = g_strdup_printf(repo->url, |
433 | // tilex, |
434 | // (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
435 | // zoom - (MAX_ZOOM - 17)); |
436 | break; |
437 | case URI_HAS_R: |
438 | s = g_strdup_printf("%d", g_random_int_range(0,4)); |
439 | url = replace_string(url, URI_MARKER_R, s); |
440 | //g_debug("FOUND " URI_MARKER_R); |
441 | break; |
442 | default: |
443 | s = NULL; |
444 | break; |
445 | } |
446 | |
447 | if (s) { |
448 | g_free(s); |
449 | g_free(old); |
450 | } |
451 | |
452 | i = (i << 1); |
453 | |
454 | } |
455 | |
456 | return url; |
457 | } |
458 | |
459 | static void |
460 | my_log_handler (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) |
461 | { |
462 | if (!(log_level & G_LOG_LEVEL_DEBUG) || ENABLE_DEBUG) |
463 | g_log_default_handler (log_domain, log_level, message, user_data); |
464 | } |
465 | |
466 | static float |
467 | osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon) |
468 | { |
469 | /* world at zoom 1 == 512 pixels */ |
470 | return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom)); |
471 | } |
472 | |
473 | /* clears the trip list and all resources */ |
474 | static void |
475 | osm_gps_map_free_trip (OsmGpsMap *map) |
476 | { |
477 | OsmGpsMapPrivate *priv = map->priv; |
478 | if (priv->trip_history) { |
479 | g_slist_foreach(priv->trip_history, (GFunc) g_free, NULL); |
480 | g_slist_free(priv->trip_history); |
481 | priv->trip_history = NULL; |
482 | } |
483 | } |
484 | |
485 | /* clears the tracks and all resources */ |
486 | static void |
487 | osm_gps_map_free_tracks (OsmGpsMap *map) |
488 | { |
489 | OsmGpsMapPrivate *priv = map->priv; |
490 | if (priv->tracks) |
491 | { |
492 | GSList* tmp = priv->tracks; |
493 | while (tmp != NULL) |
494 | { |
495 | g_slist_foreach(tmp->data, (GFunc) g_free, NULL); |
496 | g_slist_free(tmp->data); |
497 | tmp = g_slist_next(tmp); |
498 | } |
499 | g_slist_free(priv->tracks); |
500 | priv->tracks = NULL; |
501 | } |
502 | } |
503 | |
504 | /* free the poi image lists */ |
505 | static void |
506 | osm_gps_map_free_images (OsmGpsMap *map) |
507 | { |
508 | OsmGpsMapPrivate *priv = map->priv; |
509 | if (priv->images) { |
510 | GSList *list; |
511 | for(list = priv->images; list != NULL; list = list->next) |
512 | { |
513 | image_t *im = list->data; |
514 | g_object_unref(im->image); |
515 | g_free(im); |
516 | } |
517 | g_slist_free(priv->images); |
518 | priv->images = NULL; |
519 | } |
520 | } |
521 | |
522 | static void |
523 | osm_gps_map_print_images (OsmGpsMap *map) |
524 | { |
525 | GSList *list; |
526 | int x,y,pixel_x,pixel_y; |
527 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
528 | int map_x0, map_y0; |
529 | OsmGpsMapPrivate *priv = map->priv; |
530 | |
531 | map_x0 = priv->map_x - EXTRA_BORDER; |
532 | map_y0 = priv->map_y - EXTRA_BORDER; |
533 | for(list = priv->images; list != NULL; list = list->next) |
534 | { |
535 | image_t *im = list->data; |
536 | |
537 | // pixel_x,y, offsets |
538 | pixel_x = lon2pixel(priv->map_zoom, im->pt.rlon); |
539 | pixel_y = lat2pixel(priv->map_zoom, im->pt.rlat); |
540 | |
541 | g_debug("Image %dx%d @: %f,%f (%d,%d)", |
542 | im->w, im->h, |
543 | im->pt.rlat, im->pt.rlon, |
544 | pixel_x, pixel_y); |
545 | |
546 | x = pixel_x - map_x0; |
547 | y = pixel_y - map_y0; |
548 | |
549 | gdk_draw_pixbuf ( |
550 | priv->pixmap, |
551 | priv->gc_map, |
552 | im->image, |
553 | 0,0, |
554 | x-(im->w/2),y-(im->h/2), |
555 | im->w,im->h, |
556 | GDK_RGB_DITHER_NONE, 0, 0); |
557 | |
558 | max_x = MAX(x+im->w,max_x); |
559 | min_x = MIN(x-im->w,min_x); |
560 | max_y = MAX(y+im->h,max_y); |
561 | min_y = MIN(y-im->h,min_y); |
562 | } |
563 | |
564 | gtk_widget_queue_draw_area ( |
565 | GTK_WIDGET(map), |
566 | min_x + EXTRA_BORDER, min_y + EXTRA_BORDER, |
567 | max_x + EXTRA_BORDER, max_y + EXTRA_BORDER); |
568 | |
569 | } |
570 | |
571 | static void |
572 | osm_gps_map_draw_gps_point (OsmGpsMap *map) |
573 | { |
574 | OsmGpsMapPrivate *priv = map->priv; |
575 | |
576 | //incase we get called before we have got a gps point |
577 | if (priv->gps_valid) { |
578 | int map_x0, map_y0; |
579 | int x, y; |
580 | int r = priv->ui_gps_point_inner_radius; |
581 | int r2 = priv->ui_gps_point_outer_radius; |
582 | int mr = MAX(3*r,r2); |
583 | |
584 | map_x0 = priv->map_x - EXTRA_BORDER; |
585 | map_y0 = priv->map_y - EXTRA_BORDER; |
586 | x = lon2pixel(priv->map_zoom, priv->gps->rlon) - map_x0; |
587 | y = lat2pixel(priv->map_zoom, priv->gps->rlat) - map_y0; |
588 | #ifdef USE_CAIRO |
589 | cairo_t *cr; |
590 | cairo_pattern_t *pat; |
591 | #else |
592 | GdkColor color; |
593 | GdkGC *marker; |
594 | #endif |
595 | |
596 | #ifdef USE_CAIRO |
597 | cr = gdk_cairo_create(priv->pixmap); |
598 | |
599 | // draw transparent area |
600 | if (r2 > 0) { |
601 | cairo_set_line_width (cr, 1.5); |
602 | cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 0.4); |
603 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
604 | cairo_fill (cr); |
605 | // draw transparent area border |
606 | cairo_set_source_rgba (cr, 0.55, 0.55, 0.55, 0.4); |
607 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
608 | cairo_stroke(cr); |
609 | } |
610 | |
611 | // draw ball gradient |
612 | if (r > 0) { |
613 | // draw direction arrow |
614 | if(!isnan(priv->gps_heading)) |
615 | { |
616 | cairo_move_to (cr, x-r*cos(priv->gps_heading), y-r*sin(priv->gps_heading)); |
617 | cairo_line_to (cr, x+3*r*sin(priv->gps_heading), y-3*r*cos(priv->gps_heading)); |
618 | cairo_line_to (cr, x+r*cos(priv->gps_heading), y+r*sin(priv->gps_heading)); |
619 | cairo_close_path (cr); |
620 | |
621 | cairo_set_source_rgba (cr, 0.3, 0.3, 1.0, 0.5); |
622 | cairo_fill_preserve (cr); |
623 | |
624 | cairo_set_line_width (cr, 1.0); |
625 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); |
626 | cairo_stroke(cr); |
627 | } |
628 | |
629 | pat = cairo_pattern_create_radial (x-(r/5), y-(r/5), (r/5), x, y, r); |
630 | cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1.0); |
631 | cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 1, 1.0); |
632 | cairo_set_source (cr, pat); |
633 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
634 | cairo_fill (cr); |
635 | cairo_pattern_destroy (pat); |
636 | // draw ball border |
637 | cairo_set_line_width (cr, 1.0); |
638 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); |
639 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
640 | cairo_stroke(cr); |
641 | } |
642 | |
643 | cairo_destroy(cr); |
644 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
645 | x-mr, |
646 | y-mr, |
647 | mr*2, |
648 | mr*2); |
649 | #else |
650 | marker = gdk_gc_new(priv->pixmap); |
651 | color.red = 5000; |
652 | color.green = 5000; |
653 | color.blue = 55000; |
654 | gdk_gc_set_rgb_fg_color(marker, &color); |
655 | gdk_gc_set_line_attributes(marker, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
656 | |
657 | if (r2 > 0) { |
658 | gdk_draw_arc (priv->pixmap, |
659 | marker, |
660 | FALSE, //filled |
661 | x-r2, y-r2, // x,y |
662 | r2*2,r2*2, // width, height |
663 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
664 | } |
665 | if (r > 0) { |
666 | gdk_draw_arc (priv->pixmap, |
667 | marker, |
668 | TRUE, //filled |
669 | x-r, y-r, // x,y |
670 | r*2,r*2, // width, height |
671 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
672 | } |
673 | |
674 | g_object_unref(marker); |
675 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
676 | x-(mr+lw), |
677 | y-(mr+lw), |
678 | (mr*2)+lw+lw, |
679 | (mr*2)+lw+lw); |
680 | #endif |
681 | } |
682 | } |
683 | |
684 | static void |
685 | osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y) |
686 | { |
687 | OsmGpsMapPrivate *priv = map->priv; |
688 | |
689 | g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE); |
690 | |
691 | /* draw pixbuf onto pixmap */ |
692 | gdk_draw_pixbuf (priv->pixmap, |
693 | priv->gc_map, |
694 | pixbuf, |
695 | 0,0, |
696 | offset_x,offset_y, |
697 | TILESIZE,TILESIZE, |
698 | GDK_RGB_DITHER_NONE, 0, 0); |
699 | } |
700 | |
701 | /* libsoup-2.2 and libsoup-2.4 use different ways to store the body data */ |
702 | #ifdef LIBSOUP22 |
703 | #define soup_message_headers_append(a,b,c) soup_message_add_header(a,b,c) |
704 | #define MSG_RESPONSE_BODY(a) ((a)->response.body) |
705 | #define MSG_RESPONSE_LEN(a) ((a)->response.length) |
706 | #define MSG_RESPONSE_LEN_FORMAT "%u" |
707 | #else |
708 | #define MSG_RESPONSE_BODY(a) ((a)->response_body->data) |
709 | #define MSG_RESPONSE_LEN(a) ((a)->response_body->length) |
710 | #define MSG_RESPONSE_LEN_FORMAT "%lld" |
711 | #endif |
712 | |
713 | #ifdef LIBSOUP22 |
714 | static void |
715 | osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data) |
716 | #else |
717 | static void |
718 | osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data) |
719 | #endif |
720 | { |
721 | FILE *file; |
722 | tile_download_t *dl = (tile_download_t *)user_data; |
723 | OsmGpsMap *map = OSM_GPS_MAP(dl->map); |
724 | OsmGpsMapPrivate *priv = map->priv; |
725 | gboolean file_saved = FALSE; |
726 | |
727 | if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) |
728 | { |
729 | /* save tile into cachedir if one has been specified */ |
730 | if (priv->cache_dir) |
731 | { |
732 | if (g_mkdir_with_parents(dl->folder,0700) == 0) |
733 | { |
734 | file = g_fopen(dl->filename, "wb"); |
735 | if (file != NULL) |
736 | { |
737 | fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file); |
738 | file_saved = TRUE; |
739 | g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename); |
740 | fclose (file); |
741 | |
742 | } |
743 | } |
744 | else |
745 | { |
746 | g_warning("Error creating tile download directory: %s", |
747 | dl->folder); |
748 | perror("perror:"); |
749 | } |
750 | } |
751 | |
752 | if (dl->redraw) |
753 | { |
754 | GdkPixbuf *pixbuf = NULL; |
755 | |
756 | /* if the file was actually stored on disk, we can simply */ |
757 | /* load and decode it from that file */ |
758 | if (priv->cache_dir) |
759 | { |
760 | if (file_saved) |
761 | { |
762 | pixbuf = gdk_pixbuf_new_from_file (dl->filename, NULL); |
763 | } |
764 | } |
765 | else |
766 | { |
767 | GdkPixbufLoader *loader; |
768 | char *extension = strrchr (dl->filename, '.'); |
769 | |
770 | /* parse file directly from memory */ |
771 | if (extension) |
772 | { |
773 | loader = gdk_pixbuf_loader_new_with_type (extension+1, NULL); |
774 | if (!gdk_pixbuf_loader_write (loader, (unsigned char*)MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg), NULL)) |
775 | { |
776 | g_warning("Error: Decoding of image failed"); |
777 | } |
778 | gdk_pixbuf_loader_close(loader, NULL); |
779 | |
780 | pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); |
781 | |
782 | /* give up loader but keep the pixbuf */ |
783 | g_object_ref(pixbuf); |
784 | g_object_unref(loader); |
785 | } |
786 | else |
787 | { |
788 | g_warning("Error: Unable to determine image file format"); |
789 | } |
790 | } |
791 | |
792 | /* Store the tile into the cache */ |
793 | if (G_LIKELY (pixbuf)) |
794 | { |
795 | OsmCachedTile *tile = g_slice_new (OsmCachedTile); |
796 | tile->pixbuf = pixbuf; |
797 | tile->redraw_cycle = priv->redraw_cycle; |
798 | /* if the tile is already in the cache (it could be one |
799 | * rendered from another zoom level), it will be |
800 | * overwritten */ |
801 | g_hash_table_insert (priv->tile_cache, dl->filename, tile); |
802 | /* NULL-ify dl->filename so that it won't be freed, as |
803 | * we are using it as a key in the hash table */ |
804 | dl->filename = NULL; |
805 | } |
806 | osm_gps_map_map_redraw_idle (map); |
807 | } |
808 | g_hash_table_remove(priv->tile_queue, dl->uri); |
809 | |
810 | g_free(dl->uri); |
811 | g_free(dl->folder); |
812 | g_free(dl->filename); |
813 | g_free(dl); |
814 | } |
815 | else |
816 | { |
817 | g_warning("Error downloading tile: %d - %s", msg->status_code, msg->reason_phrase); |
818 | if (msg->status_code == SOUP_STATUS_NOT_FOUND) |
819 | { |
820 | g_hash_table_insert(priv->missing_tiles, dl->uri, NULL); |
821 | g_hash_table_remove(priv->tile_queue, dl->uri); |
822 | } |
823 | else if (msg->status_code == SOUP_STATUS_CANCELLED) |
824 | { |
825 | ;//application exiting |
826 | } |
827 | else |
828 | { |
829 | #ifdef LIBSOUP22 |
830 | soup_session_requeue_message(dl->session, msg); |
831 | #else |
832 | soup_session_requeue_message(session, msg); |
833 | #endif |
834 | return; |
835 | } |
836 | } |
837 | |
838 | |
839 | } |
840 | |
841 | static void |
842 | osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw) |
843 | { |
844 | SoupMessage *msg; |
845 | OsmGpsMapPrivate *priv = map->priv; |
846 | tile_download_t *dl = g_new0(tile_download_t,1); |
847 | |
848 | //calculate the uri to download |
849 | dl->uri = replace_map_uri(map, priv->repo_uri, zoom, x, y); |
850 | |
851 | #ifdef LIBSOUP22 |
852 | dl->session = priv->soup_session; |
853 | #endif |
854 | |
855 | //check the tile has not already been queued for download, |
856 | //or has been attempted, and its missing |
857 | if (g_hash_table_lookup_extended(priv->tile_queue, dl->uri, NULL, NULL) || |
858 | g_hash_table_lookup_extended(priv->missing_tiles, dl->uri, NULL, NULL) ) |
859 | { |
860 | g_debug("Tile already downloading (or missing)"); |
861 | g_free(dl->uri); |
862 | g_free(dl); |
863 | } else { |
864 | dl->folder = g_strdup_printf("%s%c%d%c%d%c", |
865 | priv->cache_dir, G_DIR_SEPARATOR, |
866 | zoom, G_DIR_SEPARATOR, |
867 | x, G_DIR_SEPARATOR); |
868 | dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
869 | priv->cache_dir, G_DIR_SEPARATOR, |
870 | zoom, G_DIR_SEPARATOR, |
871 | x, G_DIR_SEPARATOR, |
872 | y, |
873 | priv->image_format); |
874 | dl->map = map; |
875 | dl->redraw = redraw; |
876 | |
877 | g_debug("Download tile: %d,%d z:%d\n\t%s --> %s", x, y, zoom, dl->uri, dl->filename); |
878 | |
879 | msg = soup_message_new (SOUP_METHOD_GET, dl->uri); |
880 | if (msg) { |
881 | if (priv->the_google) { |
882 | //Set maps.google.com as the referrer |
883 | g_debug("Setting Google Referrer"); |
884 | soup_message_headers_append(msg->request_headers, "Referer", "http://maps.google.com/"); |
885 | //For google satelite also set the appropriate cookie value |
886 | if (priv->uri_format & URI_HAS_Q) { |
887 | const char *cookie = g_getenv("GOOGLE_COOKIE"); |
888 | if (cookie) { |
889 | g_debug("Adding Google Cookie"); |
890 | soup_message_headers_append(msg->request_headers, "Cookie", cookie); |
891 | } |
892 | } |
893 | } |
894 | |
895 | #ifdef LIBSOUP22 |
896 | soup_message_headers_append(msg->request_headers, |
897 | "User-Agent", USER_AGENT); |
898 | #endif |
899 | |
900 | g_hash_table_insert (priv->tile_queue, dl->uri, msg); |
901 | soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl); |
902 | } else { |
903 | g_warning("Could not create soup message"); |
904 | g_free(dl->uri); |
905 | g_free(dl->folder); |
906 | g_free(dl->filename); |
907 | g_free(dl); |
908 | } |
909 | } |
910 | } |
911 | |
912 | static GdkPixbuf * |
913 | osm_gps_map_load_cached_tile (OsmGpsMap *map, int zoom, int x, int y) |
914 | { |
915 | OsmGpsMapPrivate *priv = map->priv; |
916 | gchar *filename; |
917 | GdkPixbuf *pixbuf = NULL; |
918 | OsmCachedTile *tile; |
919 | |
920 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
921 | priv->cache_dir, G_DIR_SEPARATOR, |
922 | zoom, G_DIR_SEPARATOR, |
923 | x, G_DIR_SEPARATOR, |
924 | y, |
925 | priv->image_format); |
926 | |
927 | tile = g_hash_table_lookup (priv->tile_cache, filename); |
928 | if (tile) |
929 | { |
930 | g_free (filename); |
931 | } |
932 | else |
933 | { |
934 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
935 | if (pixbuf) |
936 | { |
937 | tile = g_slice_new (OsmCachedTile); |
938 | tile->pixbuf = pixbuf; |
939 | g_hash_table_insert (priv->tile_cache, filename, tile); |
940 | } |
941 | } |
942 | |
943 | /* set/update the redraw_cycle timestamp on the tile */ |
944 | if (tile) |
945 | { |
946 | tile->redraw_cycle = priv->redraw_cycle; |
947 | pixbuf = g_object_ref (tile->pixbuf); |
948 | } |
949 | |
950 | return pixbuf; |
951 | } |
952 | |
953 | static GdkPixbuf * |
954 | osm_gps_map_find_bigger_tile (OsmGpsMap *map, int zoom, int x, int y, |
955 | int *zoom_found) |
956 | { |
957 | GdkPixbuf *pixbuf; |
958 | int next_zoom, next_x, next_y; |
959 | |
960 | if (zoom == 0) return NULL; |
961 | next_zoom = zoom - 1; |
962 | next_x = x / 2; |
963 | next_y = y / 2; |
964 | pixbuf = osm_gps_map_load_cached_tile (map, next_zoom, next_x, next_y); |
965 | if (pixbuf) |
966 | *zoom_found = next_zoom; |
967 | else |
968 | pixbuf = osm_gps_map_find_bigger_tile (map, next_zoom, next_x, next_y, |
969 | zoom_found); |
970 | return pixbuf; |
971 | } |
972 | |
973 | static GdkPixbuf * |
974 | osm_gps_map_render_missing_tile_upscaled (OsmGpsMap *map, int zoom, |
975 | int x, int y) |
976 | { |
977 | GdkPixbuf *pixbuf, *big, *area; |
978 | int zoom_big, zoom_diff, area_size, area_x, area_y; |
979 | int modulo; |
980 | |
981 | big = osm_gps_map_find_bigger_tile (map, zoom, x, y, &zoom_big); |
982 | if (!big) return NULL; |
983 | |
984 | g_debug ("Found bigger tile (zoom = %d, wanted = %d)", zoom_big, zoom); |
985 | |
986 | /* get a Pixbuf for the area to magnify */ |
987 | zoom_diff = zoom - zoom_big; |
988 | area_size = TILESIZE >> zoom_diff; |
989 | modulo = 1 << zoom_diff; |
990 | area_x = (x % modulo) * area_size; |
991 | area_y = (y % modulo) * area_size; |
992 | area = gdk_pixbuf_new_subpixbuf (big, area_x, area_y, |
993 | area_size, area_size); |
994 | g_object_unref (big); |
995 | pixbuf = gdk_pixbuf_scale_simple (area, TILESIZE, TILESIZE, |
996 | GDK_INTERP_NEAREST); |
997 | g_object_unref (area); |
998 | return pixbuf; |
999 | } |
1000 | |
1001 | static GdkPixbuf * |
1002 | osm_gps_map_render_missing_tile (OsmGpsMap *map, int zoom, int x, int y) |
1003 | { |
1004 | /* maybe TODO: render from downscaled tiles, if the following fails */ |
1005 | return osm_gps_map_render_missing_tile_upscaled (map, zoom, x, y); |
1006 | } |
1007 | |
1008 | static void |
1009 | osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y) |
1010 | { |
1011 | OsmGpsMapPrivate *priv = map->priv; |
1012 | gchar *filename; |
1013 | GdkPixbuf *pixbuf; |
1014 | |
1015 | g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom); |
1016 | |
1017 | if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) { |
1018 | osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y); |
1019 | return; |
1020 | } |
1021 | |
1022 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1023 | priv->cache_dir, G_DIR_SEPARATOR, |
1024 | zoom, G_DIR_SEPARATOR, |
1025 | x, G_DIR_SEPARATOR, |
1026 | y, |
1027 | priv->image_format); |
1028 | |
1029 | /* try to get file from internal cache first */ |
1030 | if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y))) |
1031 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1032 | |
1033 | if(pixbuf) |
1034 | { |
1035 | g_debug("Found tile %s", filename); |
1036 | osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y); |
1037 | g_object_unref (pixbuf); |
1038 | } |
1039 | else |
1040 | { |
1041 | if (priv->map_auto_download) |
1042 | osm_gps_map_download_tile(map, zoom, x, y, TRUE); |
1043 | |
1044 | /* try to render the tile by scaling cached tiles from other zoom |
1045 | * levels */ |
1046 | pixbuf = osm_gps_map_render_missing_tile (map, zoom, x, y); |
1047 | if (pixbuf) |
1048 | { |
1049 | gdk_draw_pixbuf (priv->pixmap, |
1050 | priv->gc_map, |
1051 | pixbuf, |
1052 | 0,0, |
1053 | offset_x,offset_y, |
1054 | TILESIZE,TILESIZE, |
1055 | GDK_RGB_DITHER_NONE, 0, 0); |
1056 | g_object_unref (pixbuf); |
1057 | } |
1058 | else |
1059 | { |
1060 | //prevent some artifacts when drawing not yet loaded areas. |
1061 | gdk_draw_rectangle (priv->pixmap, |
1062 | GTK_WIDGET(map)->style->white_gc, |
1063 | TRUE, offset_x, offset_y, TILESIZE, TILESIZE); |
1064 | } |
1065 | } |
1066 | g_free(filename); |
1067 | } |
1068 | |
1069 | static void |
1070 | osm_gps_map_fill_tiles_pixel (OsmGpsMap *map) |
1071 | { |
1072 | OsmGpsMapPrivate *priv = map->priv; |
1073 | int i,j, width, height, tile_x0, tile_y0, tiles_nx, tiles_ny; |
1074 | int offset_xn = 0; |
1075 | int offset_yn = 0; |
1076 | int offset_x; |
1077 | int offset_y; |
1078 | |
1079 | g_debug("Fill tiles: %d,%d z:%d", priv->map_x, priv->map_y, priv->map_zoom); |
1080 | |
1081 | offset_x = - priv->map_x % TILESIZE; |
1082 | offset_y = - priv->map_y % TILESIZE; |
1083 | if (offset_x > 0) offset_x -= TILESIZE; |
1084 | if (offset_y > 0) offset_y -= TILESIZE; |
1085 | |
1086 | offset_xn = offset_x + EXTRA_BORDER; |
1087 | offset_yn = offset_y + EXTRA_BORDER; |
1088 | |
1089 | width = GTK_WIDGET(map)->allocation.width; |
1090 | height = GTK_WIDGET(map)->allocation.height; |
1091 | |
1092 | tiles_nx = (width - offset_x) / TILESIZE + 1; |
1093 | tiles_ny = (height - offset_y) / TILESIZE + 1; |
1094 | |
1095 | tile_x0 = floor((float)priv->map_x / (float)TILESIZE); |
1096 | tile_y0 = floor((float)priv->map_y / (float)TILESIZE); |
1097 | |
1098 | //TODO: implement wrap around |
1099 | for (i=tile_x0; i<(tile_x0+tiles_nx);i++) |
1100 | { |
1101 | for (j=tile_y0; j<(tile_y0+tiles_ny); j++) |
1102 | { |
1103 | if( j<0 || i<0 || i>=exp(priv->map_zoom * M_LN2) || j>=exp(priv->map_zoom * M_LN2)) |
1104 | { |
1105 | gdk_draw_rectangle (priv->pixmap, |
1106 | GTK_WIDGET(map)->style->white_gc, |
1107 | TRUE, |
1108 | offset_xn, offset_yn, |
1109 | TILESIZE,TILESIZE); |
1110 | } |
1111 | else |
1112 | { |
1113 | osm_gps_map_load_tile(map, |
1114 | priv->map_zoom, |
1115 | i,j, |
1116 | offset_xn,offset_yn); |
1117 | } |
1118 | offset_yn += TILESIZE; |
1119 | } |
1120 | offset_xn += TILESIZE; |
1121 | offset_yn = offset_y + EXTRA_BORDER; |
1122 | } |
1123 | } |
1124 | |
1125 | static void |
1126 | osm_gps_map_print_track (OsmGpsMap *map, GSList *trackpoint_list) |
1127 | { |
1128 | OsmGpsMapPrivate *priv = map->priv; |
1129 | |
1130 | GSList *list; |
1131 | int x,y; |
1132 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
1133 | int lw = priv->ui_gps_track_width; |
1134 | int map_x0, map_y0; |
1135 | #ifdef USE_CAIRO |
1136 | cairo_t *cr; |
1137 | #else |
1138 | int last_x = 0, last_y = 0; |
1139 | GdkColor color; |
1140 | GdkGC *gc; |
1141 | #endif |
1142 | |
1143 | #ifdef USE_CAIRO |
1144 | cr = gdk_cairo_create(priv->pixmap); |
1145 | cairo_set_line_width (cr, lw); |
1146 | cairo_set_source_rgba (cr, 60000.0/65535.0, 0.0, 0.0, 0.6); |
1147 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1148 | cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); |
1149 | #else |
1150 | gc = gdk_gc_new(priv->pixmap); |
1151 | color.green = 0; |
1152 | color.blue = 0; |
1153 | color.red = 60000; |
1154 | gdk_gc_set_rgb_fg_color(gc, &color); |
1155 | gdk_gc_set_line_attributes(gc, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
1156 | #endif |
1157 | |
1158 | map_x0 = priv->map_x - EXTRA_BORDER; |
1159 | map_y0 = priv->map_y - EXTRA_BORDER; |
1160 | for(list = trackpoint_list; list != NULL; list = list->next) |
1161 | { |
1162 | coord_t *tp = list->data; |
1163 | |
1164 | x = lon2pixel(priv->map_zoom, tp->rlon) - map_x0; |
1165 | y = lat2pixel(priv->map_zoom, tp->rlat) - map_y0; |
1166 | |
1167 | // first time through loop |
1168 | if (list == trackpoint_list) { |
1169 | #ifdef USE_CAIRO |
1170 | cairo_move_to(cr, x, y); |
1171 | #else |
1172 | last_x = x; |
1173 | last_y = y; |
1174 | #endif |
1175 | } |
1176 | |
1177 | #ifdef USE_CAIRO |
1178 | cairo_line_to(cr, x, y); |
1179 | #else |
1180 | gdk_draw_line (priv->pixmap, gc, x, y, last_x, last_y); |
1181 | last_x = x; |
1182 | last_y = y; |
1183 | #endif |
1184 | |
1185 | max_x = MAX(x,max_x); |
1186 | min_x = MIN(x,min_x); |
1187 | max_y = MAX(y,max_y); |
1188 | min_y = MIN(y,min_y); |
1189 | } |
1190 | |
1191 | gtk_widget_queue_draw_area ( |
1192 | GTK_WIDGET(map), |
1193 | min_x - lw, |
1194 | min_y - lw, |
1195 | max_x + (lw * 2), |
1196 | max_y + (lw * 2)); |
1197 | |
1198 | #ifdef USE_CAIRO |
1199 | cairo_stroke(cr); |
1200 | cairo_destroy(cr); |
1201 | #else |
1202 | g_object_unref(gc); |
1203 | #endif |
1204 | } |
1205 | |
1206 | /* Prints the gps trip history, and any other tracks */ |
1207 | static void |
1208 | osm_gps_map_print_tracks (OsmGpsMap *map) |
1209 | { |
1210 | OsmGpsMapPrivate *priv = map->priv; |
1211 | |
1212 | if (priv->show_trip_history) |
1213 | osm_gps_map_print_track (map, priv->trip_history); |
1214 | |
1215 | if (priv->tracks) |
1216 | { |
1217 | GSList* tmp = priv->tracks; |
1218 | while (tmp != NULL) |
1219 | { |
1220 | osm_gps_map_print_track (map, tmp->data); |
1221 | tmp = g_slist_next(tmp); |
1222 | } |
1223 | } |
1224 | } |
1225 | |
1226 | static gboolean |
1227 | osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user) |
1228 | { |
1229 | return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle); |
1230 | } |
1231 | |
1232 | static void |
1233 | osm_gps_map_purge_cache (OsmGpsMap *map) |
1234 | { |
1235 | OsmGpsMapPrivate *priv = map->priv; |
1236 | |
1237 | if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size) |
1238 | return; |
1239 | |
1240 | /* run through the cache, and remove the tiles which have not been used |
1241 | * during the last redraw operation */ |
1242 | g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv); |
1243 | } |
1244 | |
1245 | static gboolean |
1246 | osm_gps_map_map_redraw (OsmGpsMap *map) |
1247 | { |
1248 | OsmGpsMapPrivate *priv = map->priv; |
1249 | |
1250 | priv->idle_map_redraw = 0; |
1251 | |
1252 | /* don't redraw the entire map while the OSD is doing */ |
1253 | /* some animation or the like. This is to keep the animation */ |
1254 | /* fluid */ |
1255 | if (priv->osd->busy(priv->osd)) |
1256 | return FALSE; |
1257 | |
1258 | #ifdef DRAG_DEBUG |
1259 | printf("trying redraw\n"); |
1260 | #endif |
1261 | |
1262 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we |
1263 | * change it while we are dragging, we will end up showing it in the wrong |
1264 | * place. This could be fixed by carefully recompute the coordinates, but |
1265 | * for now it's easier just to disable redrawing the map while dragging */ |
1266 | if (priv->dragging) |
1267 | return FALSE; |
1268 | |
1269 | /* undo all offsets that may have happened when dragging */ |
1270 | priv->drag_mouse_dx = 0; |
1271 | priv->drag_mouse_dy = 0; |
1272 | |
1273 | priv->redraw_cycle++; |
1274 | |
1275 | /* draw white background to initialise pixmap */ |
1276 | gdk_draw_rectangle ( |
1277 | priv->pixmap, |
1278 | GTK_WIDGET(map)->style->white_gc, |
1279 | TRUE, |
1280 | 0, 0, |
1281 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, |
1282 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); |
1283 | |
1284 | osm_gps_map_fill_tiles_pixel(map); |
1285 | |
1286 | osm_gps_map_print_tracks(map); |
1287 | osm_gps_map_draw_gps_point(map); |
1288 | osm_gps_map_print_images(map); |
1289 | |
1290 | #ifdef ENABLE_OSD |
1291 | /* OSD may contain a coordinate/scale, so we may have to re-render it */ |
1292 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
1293 | priv->osd->render (priv->osd); |
1294 | #endif |
1295 | |
1296 | osm_gps_map_purge_cache(map); |
1297 | gtk_widget_queue_draw (GTK_WIDGET (map)); |
1298 | |
1299 | return FALSE; |
1300 | } |
1301 | |
1302 | static void |
1303 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) |
1304 | { |
1305 | OsmGpsMapPrivate *priv = map->priv; |
1306 | |
1307 | if (priv->idle_map_redraw == 0) |
1308 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); |
1309 | } |
1310 | |
1311 | #ifdef OSM_GPS_MAP_KEYS |
1312 | static gboolean |
1313 | on_window_key_press(GtkWidget *widget, |
1314 | GdkEventKey *event, OsmGpsMapPrivate *priv) { |
1315 | gboolean handled = FALSE; |
1316 | int step = GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP; |
1317 | |
1318 | // the map handles some keys on its own ... |
1319 | switch(event->keyval) { |
1320 | #ifdef OSM_GPS_MAP_KEY_FULLSCREEN |
1321 | case OSM_GPS_MAP_KEY_FULLSCREEN: { |
1322 | GtkWidget *toplevel = gtk_widget_get_toplevel(GTK_WIDGET(widget)); |
1323 | if(!priv->fullscreen) |
1324 | gtk_window_fullscreen(GTK_WINDOW(toplevel)); |
1325 | else |
1326 | gtk_window_unfullscreen(GTK_WINDOW(toplevel)); |
1327 | |
1328 | priv->fullscreen = !priv->fullscreen; |
1329 | handled = TRUE; |
1330 | } break; |
1331 | #endif |
1332 | |
1333 | #ifdef OSM_GPS_MAP_KEY_ZOOMIN |
1334 | case OSM_GPS_MAP_KEY_ZOOMIN: |
1335 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
1336 | handled = TRUE; |
1337 | break; |
1338 | #endif |
1339 | |
1340 | #ifdef OSM_GPS_MAP_KEY_ZOOMOUT |
1341 | case OSM_GPS_MAP_KEY_ZOOMOUT: |
1342 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
1343 | handled = TRUE; |
1344 | break; |
1345 | #endif |
1346 | |
1347 | #ifdef OSM_GPS_MAP_KEY_UP |
1348 | case OSM_GPS_MAP_KEY_UP: |
1349 | priv->map_y -= step; |
1350 | priv->center_coord_set = FALSE; |
1351 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1352 | handled = TRUE; |
1353 | break; |
1354 | #endif |
1355 | |
1356 | #ifdef OSM_GPS_MAP_KEY_DOWN |
1357 | case OSM_GPS_MAP_KEY_DOWN: |
1358 | priv->map_y += step; |
1359 | priv->center_coord_set = FALSE; |
1360 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1361 | handled = TRUE; |
1362 | break; |
1363 | #endif |
1364 | |
1365 | #ifdef OSM_GPS_MAP_KEY_LEFT |
1366 | case OSM_GPS_MAP_KEY_LEFT: |
1367 | priv->map_x -= step; |
1368 | priv->center_coord_set = FALSE; |
1369 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1370 | handled = TRUE; |
1371 | break; |
1372 | #endif |
1373 | |
1374 | #ifdef OSM_GPS_MAP_KEY_RIGHT |
1375 | case OSM_GPS_MAP_KEY_RIGHT: |
1376 | priv->map_x += step; |
1377 | priv->center_coord_set = FALSE; |
1378 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1379 | handled = TRUE; |
1380 | break; |
1381 | #endif |
1382 | |
1383 | default: |
1384 | break; |
1385 | } |
1386 | |
1387 | return handled; |
1388 | } |
1389 | #endif |
1390 | |
1391 | static void |
1392 | osm_gps_map_init (OsmGpsMap *object) |
1393 | { |
1394 | OsmGpsMapPrivate *priv; |
1395 | |
1396 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); |
1397 | object->priv = priv; |
1398 | |
1399 | priv->pixmap = NULL; |
1400 | |
1401 | priv->trip_history = NULL; |
1402 | priv->gps = g_new0(coord_t, 1); |
1403 | priv->gps_valid = FALSE; |
1404 | priv->gps_heading = OSM_GPS_MAP_INVALID; |
1405 | |
1406 | #ifdef ENABLE_OSD |
1407 | priv->osd = NULL; |
1408 | #endif |
1409 | |
1410 | #ifdef OSM_GPS_MAP_BUTTON_FULLSCREEN |
1411 | priv->fullscreen = FALSE; |
1412 | #endif |
1413 | |
1414 | priv->tracks = NULL; |
1415 | priv->images = NULL; |
1416 | |
1417 | priv->drag_counter = 0; |
1418 | priv->drag_mouse_dx = 0; |
1419 | priv->drag_mouse_dy = 0; |
1420 | priv->drag_start_mouse_x = 0; |
1421 | priv->drag_start_mouse_y = 0; |
1422 | |
1423 | priv->uri_format = 0; |
1424 | priv->the_google = FALSE; |
1425 | |
1426 | priv->map_source = -1; |
1427 | |
1428 | #ifndef LIBSOUP22 |
1429 | //Change naumber of concurrent connections option? |
1430 | priv->soup_session = |
1431 | soup_session_async_new_with_options(SOUP_SESSION_USER_AGENT, |
1432 | USER_AGENT, NULL); |
1433 | #else |
1434 | /* libsoup-2.2 has no special way to set the user agent, so we */ |
1435 | /* set it seperately as an extra header field for each reuest */ |
1436 | priv->soup_session = soup_session_async_new(); |
1437 | #endif |
1438 | |
1439 | //Hash table which maps tile d/l URIs to SoupMessage requests |
1440 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); |
1441 | |
1442 | //Some mapping providers (Google) have varying degrees of tiles at multiple |
1443 | //zoom levels |
1444 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); |
1445 | |
1446 | /* memory cache for most recently used tiles */ |
1447 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, |
1448 | g_free, (GDestroyNotify)cached_tile_free); |
1449 | priv->max_tile_cache_size = 20; |
1450 | |
1451 | gtk_widget_add_events (GTK_WIDGET (object), |
1452 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
1453 | GDK_POINTER_MOTION_MASK | |
1454 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
1455 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); |
1456 | |
1457 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); |
1458 | |
1459 | #ifdef OSM_GPS_MAP_KEYS |
1460 | g_signal_connect(G_OBJECT(object), "key_press_event", |
1461 | G_CALLBACK(on_window_key_press), priv); |
1462 | #endif |
1463 | } |
1464 | |
1465 | static void |
1466 | osm_gps_map_setup(OsmGpsMapPrivate *priv) { |
1467 | const char *uri; |
1468 | |
1469 | //user can specify a map source ID, or a repo URI as the map source |
1470 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); |
1471 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { |
1472 | g_debug("Using null source"); |
1473 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; |
1474 | |
1475 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); |
1476 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); |
1477 | } |
1478 | else if (priv->map_source >= 0) { |
1479 | //check if the source given is valid |
1480 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); |
1481 | if (uri) { |
1482 | g_debug("Setting map source from ID"); |
1483 | g_free(priv->repo_uri); |
1484 | |
1485 | priv->repo_uri = g_strdup(uri); |
1486 | priv->image_format = g_strdup( |
1487 | osm_gps_map_source_get_image_format(priv->map_source)); |
1488 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); |
1489 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); |
1490 | } |
1491 | } |
1492 | |
1493 | const char *fname = osm_gps_map_source_get_friendly_name(priv->map_source); |
1494 | if(!fname) fname = "_unknown_"; |
1495 | |
1496 | if (priv->tile_dir) { |
1497 | //the new cachedir is the given cache dir + the friendly name of the repo_uri |
1498 | priv->cache_dir = g_strdup_printf("%s%c%s", priv->tile_dir, G_DIR_SEPARATOR, fname); |
1499 | g_debug("Adjusting cache dir %s -> %s", priv->tile_dir, priv->cache_dir); |
1500 | } |
1501 | } |
1502 | |
1503 | static GObject * |
1504 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) |
1505 | { |
1506 | //Always chain up to the parent constructor |
1507 | GObject *object = |
1508 | G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); |
1509 | |
1510 | osm_gps_map_setup(OSM_GPS_MAP_PRIVATE(object)); |
1511 | |
1512 | inspect_map_uri(OSM_GPS_MAP(object)); |
1513 | |
1514 | return object; |
1515 | } |
1516 | |
1517 | static void |
1518 | osm_gps_map_dispose (GObject *object) |
1519 | { |
1520 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1521 | OsmGpsMapPrivate *priv = map->priv; |
1522 | |
1523 | if (priv->is_disposed) |
1524 | return; |
1525 | |
1526 | priv->is_disposed = TRUE; |
1527 | |
1528 | soup_session_abort(priv->soup_session); |
1529 | g_object_unref(priv->soup_session); |
1530 | |
1531 | g_hash_table_destroy(priv->tile_queue); |
1532 | g_hash_table_destroy(priv->missing_tiles); |
1533 | g_hash_table_destroy(priv->tile_cache); |
1534 | |
1535 | osm_gps_map_free_images(map); |
1536 | |
1537 | if(priv->pixmap) |
1538 | g_object_unref (priv->pixmap); |
1539 | |
1540 | if (priv->null_tile) |
1541 | g_object_unref (priv->null_tile); |
1542 | |
1543 | if(priv->gc_map) |
1544 | g_object_unref(priv->gc_map); |
1545 | |
1546 | if (priv->idle_map_redraw != 0) |
1547 | g_source_remove (priv->idle_map_redraw); |
1548 | |
1549 | g_free(priv->gps); |
1550 | |
1551 | #ifdef ENABLE_OSD |
1552 | if(priv->osd) |
1553 | priv->osd->free(priv->osd); |
1554 | |
1555 | #ifdef OSD_DOUBLE_BUFFER |
1556 | if(priv->dbuf_pixmap) |
1557 | g_object_unref (priv->dbuf_pixmap); |
1558 | #endif |
1559 | #endif |
1560 | |
1561 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
1562 | } |
1563 | |
1564 | static void |
1565 | osm_gps_map_finalize (GObject *object) |
1566 | { |
1567 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1568 | OsmGpsMapPrivate *priv = map->priv; |
1569 | |
1570 | if(priv->tile_dir) |
1571 | g_free(priv->tile_dir); |
1572 | |
1573 | if(priv->cache_dir) |
1574 | g_free(priv->cache_dir); |
1575 | |
1576 | g_free(priv->repo_uri); |
1577 | g_free(priv->image_format); |
1578 | |
1579 | osm_gps_map_free_trip(map); |
1580 | osm_gps_map_free_tracks(map); |
1581 | |
1582 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); |
1583 | } |
1584 | |
1585 | static void |
1586 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) |
1587 | { |
1588 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
1589 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1590 | OsmGpsMapPrivate *priv = map->priv; |
1591 | |
1592 | switch (prop_id) |
1593 | { |
1594 | case PROP_AUTO_CENTER: |
1595 | priv->map_auto_center = g_value_get_boolean (value); |
1596 | break; |
1597 | case PROP_RECORD_TRIP_HISTORY: |
1598 | priv->record_trip_history = g_value_get_boolean (value); |
1599 | break; |
1600 | case PROP_SHOW_TRIP_HISTORY: |
1601 | priv->show_trip_history = g_value_get_boolean (value); |
1602 | break; |
1603 | case PROP_AUTO_DOWNLOAD: |
1604 | priv->map_auto_download = g_value_get_boolean (value); |
1605 | break; |
1606 | case PROP_REPO_URI: |
1607 | priv->repo_uri = g_value_dup_string (value); |
1608 | break; |
1609 | case PROP_PROXY_URI: |
1610 | if ( g_value_get_string(value) ) { |
1611 | priv->proxy_uri = g_value_dup_string (value); |
1612 | g_debug("Setting proxy server: %s", priv->proxy_uri); |
1613 | |
1614 | #ifndef LIBSOUP22 |
1615 | GValue val = {0}; |
1616 | |
1617 | SoupURI* uri = soup_uri_new(priv->proxy_uri); |
1618 | g_value_init(&val, SOUP_TYPE_URI); |
1619 | g_value_take_boxed(&val, uri); |
1620 | |
1621 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); |
1622 | #else |
1623 | SoupUri* uri = soup_uri_new(priv->proxy_uri); |
1624 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); |
1625 | #endif |
1626 | } else |
1627 | priv->proxy_uri = NULL; |
1628 | |
1629 | break; |
1630 | case PROP_TILE_CACHE_DIR: |
1631 | if ( g_value_get_string(value) ) |
1632 | priv->tile_dir = g_value_dup_string (value); |
1633 | break; |
1634 | case PROP_ZOOM: |
1635 | priv->map_zoom = g_value_get_int (value); |
1636 | break; |
1637 | case PROP_MAX_ZOOM: |
1638 | priv->max_zoom = g_value_get_int (value); |
1639 | break; |
1640 | case PROP_MIN_ZOOM: |
1641 | priv->min_zoom = g_value_get_int (value); |
1642 | break; |
1643 | case PROP_MAP_X: |
1644 | priv->map_x = g_value_get_int (value); |
1645 | priv->center_coord_set = FALSE; |
1646 | break; |
1647 | case PROP_MAP_Y: |
1648 | priv->map_y = g_value_get_int (value); |
1649 | priv->center_coord_set = FALSE; |
1650 | break; |
1651 | case PROP_GPS_TRACK_WIDTH: |
1652 | priv->ui_gps_track_width = g_value_get_int (value); |
1653 | break; |
1654 | case PROP_GPS_POINT_R1: |
1655 | priv->ui_gps_point_inner_radius = g_value_get_int (value); |
1656 | break; |
1657 | case PROP_GPS_POINT_R2: |
1658 | priv->ui_gps_point_outer_radius = g_value_get_int (value); |
1659 | break; |
1660 | case PROP_MAP_SOURCE: { |
1661 | gint old = priv->map_source; |
1662 | priv->map_source = g_value_get_int (value); |
1663 | if(old >= OSM_GPS_MAP_SOURCE_NULL && |
1664 | priv->map_source != old && |
1665 | priv->map_source >= OSM_GPS_MAP_SOURCE_NULL && |
1666 | priv->map_source <= OSM_GPS_MAP_SOURCE_LAST) { |
1667 | |
1668 | /* we now have to switch the entire map */ |
1669 | |
1670 | /* flush the ram cache */ |
1671 | g_hash_table_remove_all(priv->tile_cache); |
1672 | |
1673 | osm_gps_map_setup(priv); |
1674 | |
1675 | inspect_map_uri(map); |
1676 | |
1677 | /* adjust zoom if necessary */ |
1678 | if(priv->map_zoom > priv->max_zoom) |
1679 | osm_gps_map_set_zoom(map, priv->max_zoom); |
1680 | |
1681 | if(priv->map_zoom < priv->min_zoom) |
1682 | osm_gps_map_set_zoom(map, priv->min_zoom); |
1683 | |
1684 | } } break; |
1685 | case PROP_IMAGE_FORMAT: |
1686 | priv->image_format = g_value_dup_string (value); |
1687 | break; |
1688 | default: |
1689 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1690 | break; |
1691 | } |
1692 | } |
1693 | |
1694 | static void |
1695 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) |
1696 | { |
1697 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
1698 | float lat,lon; |
1699 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1700 | OsmGpsMapPrivate *priv = map->priv; |
1701 | |
1702 | switch (prop_id) |
1703 | { |
1704 | case PROP_AUTO_CENTER: |
1705 | g_value_set_boolean(value, priv->map_auto_center); |
1706 | break; |
1707 | case PROP_RECORD_TRIP_HISTORY: |
1708 | g_value_set_boolean(value, priv->record_trip_history); |
1709 | break; |
1710 | case PROP_SHOW_TRIP_HISTORY: |
1711 | g_value_set_boolean(value, priv->show_trip_history); |
1712 | break; |
1713 | case PROP_AUTO_DOWNLOAD: |
1714 | g_value_set_boolean(value, priv->map_auto_download); |
1715 | break; |
1716 | case PROP_REPO_URI: |
1717 | g_value_set_string(value, priv->repo_uri); |
1718 | break; |
1719 | case PROP_PROXY_URI: |
1720 | g_value_set_string(value, priv->proxy_uri); |
1721 | break; |
1722 | case PROP_TILE_CACHE_DIR: |
1723 | g_value_set_string(value, priv->cache_dir); |
1724 | break; |
1725 | case PROP_ZOOM: |
1726 | g_value_set_int(value, priv->map_zoom); |
1727 | break; |
1728 | case PROP_MAX_ZOOM: |
1729 | g_value_set_int(value, priv->max_zoom); |
1730 | break; |
1731 | case PROP_MIN_ZOOM: |
1732 | g_value_set_int(value, priv->min_zoom); |
1733 | break; |
1734 | case PROP_LATITUDE: |
1735 | lat = pixel2lat(priv->map_zoom, |
1736 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); |
1737 | g_value_set_float(value, rad2deg(lat)); |
1738 | break; |
1739 | case PROP_LONGITUDE: |
1740 | lon = pixel2lon(priv->map_zoom, |
1741 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); |
1742 | g_value_set_float(value, rad2deg(lon)); |
1743 | break; |
1744 | case PROP_MAP_X: |
1745 | g_value_set_int(value, priv->map_x); |
1746 | break; |
1747 | case PROP_MAP_Y: |
1748 | g_value_set_int(value, priv->map_y); |
1749 | break; |
1750 | case PROP_TILES_QUEUED: |
1751 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); |
1752 | break; |
1753 | case PROP_GPS_TRACK_WIDTH: |
1754 | g_value_set_int(value, priv->ui_gps_track_width); |
1755 | break; |
1756 | case PROP_GPS_POINT_R1: |
1757 | g_value_set_int(value, priv->ui_gps_point_inner_radius); |
1758 | break; |
1759 | case PROP_GPS_POINT_R2: |
1760 | g_value_set_int(value, priv->ui_gps_point_outer_radius); |
1761 | break; |
1762 | case PROP_MAP_SOURCE: |
1763 | g_value_set_int(value, priv->map_source); |
1764 | break; |
1765 | case PROP_IMAGE_FORMAT: |
1766 | g_value_set_string(value, priv->image_format); |
1767 | break; |
1768 | default: |
1769 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1770 | break; |
1771 | } |
1772 | } |
1773 | |
1774 | static gboolean |
1775 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
1776 | { |
1777 | OsmGpsMap *map = OSM_GPS_MAP(widget); |
1778 | OsmGpsMapPrivate *priv = map->priv; |
1779 | |
1780 | if (event->direction == GDK_SCROLL_UP) |
1781 | { |
1782 | osm_gps_map_set_zoom(map, priv->map_zoom+1); |
1783 | } |
1784 | else |
1785 | { |
1786 | osm_gps_map_set_zoom(map, priv->map_zoom-1); |
1787 | } |
1788 | |
1789 | return FALSE; |
1790 | } |
1791 | |
1792 | static gboolean |
1793 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) |
1794 | { |
1795 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1796 | |
1797 | #ifdef ENABLE_OSD |
1798 | /* pressed inside OSD control? */ |
1799 | if(priv->osd) { |
1800 | osd_button_t but = |
1801 | priv->osd->check(priv->osd, TRUE, event->x, event->y); |
1802 | |
1803 | if(but != OSD_NONE) |
1804 | { |
1805 | int step = |
1806 | GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP; |
1807 | priv->drag_counter = -1; |
1808 | |
1809 | switch(but) { |
1810 | case OSD_UP: |
1811 | priv->map_y -= step; |
1812 | priv->center_coord_set = FALSE; |
1813 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1814 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1815 | break; |
1816 | |
1817 | case OSD_DOWN: |
1818 | priv->map_y += step; |
1819 | priv->center_coord_set = FALSE; |
1820 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1821 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1822 | break; |
1823 | |
1824 | case OSD_LEFT: |
1825 | priv->map_x -= step; |
1826 | priv->center_coord_set = FALSE; |
1827 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1828 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1829 | break; |
1830 | |
1831 | case OSD_RIGHT: |
1832 | priv->map_x += step; |
1833 | priv->center_coord_set = FALSE; |
1834 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1835 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1836 | break; |
1837 | |
1838 | case OSD_IN: |
1839 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
1840 | break; |
1841 | |
1842 | case OSD_OUT: |
1843 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
1844 | break; |
1845 | |
1846 | default: |
1847 | /* all custom buttons are forwarded to the application */ |
1848 | if(priv->osd->cb) |
1849 | priv->osd->cb(but, priv->osd->data); |
1850 | break; |
1851 | } |
1852 | |
1853 | return FALSE; |
1854 | } |
1855 | } |
1856 | #endif |
1857 | |
1858 | priv->drag_counter = 0; |
1859 | priv->drag_start_mouse_x = (int) event->x; |
1860 | priv->drag_start_mouse_y = (int) event->y; |
1861 | priv->drag_start_map_x = priv->map_x; |
1862 | priv->drag_start_map_y = priv->map_y; |
1863 | |
1864 | return FALSE; |
1865 | } |
1866 | |
1867 | static gboolean |
1868 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) |
1869 | { |
1870 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1871 | |
1872 | if (priv->dragging) |
1873 | { |
1874 | priv->dragging = FALSE; |
1875 | |
1876 | priv->map_x = priv->drag_start_map_x; |
1877 | priv->map_y = priv->drag_start_map_y; |
1878 | |
1879 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); |
1880 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); |
1881 | |
1882 | priv->center_coord_set = FALSE; |
1883 | |
1884 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1885 | } |
1886 | #ifdef ENABLE_OSD |
1887 | /* pressed inside OSD control? */ |
1888 | else if(priv->osd) |
1889 | priv->osd->check(priv->osd, FALSE, event->x, event->y); |
1890 | #endif |
1891 | |
1892 | |
1893 | #ifdef DRAG_DEBUG |
1894 | printf("dragging done\n"); |
1895 | #endif |
1896 | |
1897 | priv->drag_counter = -1; |
1898 | |
1899 | return FALSE; |
1900 | } |
1901 | |
1902 | static gboolean |
1903 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event); |
1904 | |
1905 | static gboolean |
1906 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) |
1907 | { |
1908 | int x, y; |
1909 | GdkModifierType state; |
1910 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1911 | |
1912 | if (event->is_hint) |
1913 | gdk_window_get_pointer (event->window, &x, &y, &state); |
1914 | else |
1915 | { |
1916 | x = event->x; |
1917 | y = event->y; |
1918 | state = event->state; |
1919 | } |
1920 | |
1921 | // are we being dragged |
1922 | if (!(state & GDK_BUTTON1_MASK)) |
1923 | return FALSE; |
1924 | |
1925 | if (priv->drag_counter < 0) |
1926 | return FALSE; |
1927 | |
1928 | priv->drag_counter++; |
1929 | |
1930 | // we havent dragged more than 6 pixels |
1931 | if (priv->drag_counter < 6) |
1932 | return FALSE; |
1933 | |
1934 | #ifdef OSM_GPS_MAP_REFRESH |
1935 | /* reduce update frequency on maemo to keep screen update fluid */ |
1936 | static guint32 last_time = 0; |
1937 | |
1938 | if(event->time - last_time < (1000/OSM_GPS_MAP_REFRESH)) return FALSE; |
1939 | last_time = event->time; |
1940 | #endif |
1941 | |
1942 | priv->dragging = TRUE; |
1943 | |
1944 | if (priv->map_auto_center) |
1945 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1946 | |
1947 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; |
1948 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; |
1949 | |
1950 | osm_gps_map_expose (widget, NULL); |
1951 | |
1952 | return FALSE; |
1953 | } |
1954 | |
1955 | static gboolean |
1956 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) |
1957 | { |
1958 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1959 | |
1960 | /* create pixmap */ |
1961 | if (priv->pixmap) |
1962 | g_object_unref (priv->pixmap); |
1963 | |
1964 | priv->pixmap = gdk_pixmap_new ( |
1965 | widget->window, |
1966 | widget->allocation.width + EXTRA_BORDER * 2, |
1967 | widget->allocation.height + EXTRA_BORDER * 2, |
1968 | -1); |
1969 | |
1970 | #ifdef ENABLE_OSD |
1971 | |
1972 | #ifdef OSD_DOUBLE_BUFFER |
1973 | if (priv->dbuf_pixmap) |
1974 | g_object_unref (priv->dbuf_pixmap); |
1975 | |
1976 | priv->dbuf_pixmap = gdk_pixmap_new ( |
1977 | widget->window, |
1978 | widget->allocation.width, |
1979 | widget->allocation.height, |
1980 | -1); |
1981 | #endif |
1982 | |
1983 | /* the osd needs some references to map internal objects */ |
1984 | if(priv->osd) |
1985 | priv->osd->widget = widget; |
1986 | #endif |
1987 | |
1988 | /* and gc, used for clipping (I think......) */ |
1989 | if(priv->gc_map) |
1990 | g_object_unref(priv->gc_map); |
1991 | |
1992 | priv->gc_map = gdk_gc_new(priv->pixmap); |
1993 | |
1994 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); |
1995 | |
1996 | return FALSE; |
1997 | } |
1998 | |
1999 | static gboolean |
2000 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) |
2001 | { |
2002 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2003 | |
2004 | #if defined(ENABLE_OSD) && defined(OSD_DOUBLE_BUFFER) |
2005 | GdkDrawable *drawable = priv->dbuf_pixmap; |
2006 | #else |
2007 | GdkDrawable *drawable = widget->window; |
2008 | #endif |
2009 | |
2010 | #ifdef DRAG_DEBUG |
2011 | printf("expose, map %d/%d\n", priv->map_x, priv->map_y); |
2012 | #endif |
2013 | |
2014 | if (!priv->drag_mouse_dx && !priv->drag_mouse_dy && event) |
2015 | { |
2016 | #ifdef DRAG_DEBUG |
2017 | printf(" dragging = %d, event = %p\n", priv->dragging, event); |
2018 | #endif |
2019 | |
2020 | gdk_draw_drawable (drawable, |
2021 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2022 | priv->pixmap, |
2023 | event->area.x + EXTRA_BORDER, event->area.y + EXTRA_BORDER, |
2024 | event->area.x, event->area.y, |
2025 | event->area.width, event->area.height); |
2026 | } |
2027 | else |
2028 | { |
2029 | #ifdef DRAG_DEBUG |
2030 | printf(" drag_mouse %d/%d\n", |
2031 | priv->drag_mouse_dx - EXTRA_BORDER, |
2032 | priv->drag_mouse_dy - EXTRA_BORDER); |
2033 | #endif |
2034 | |
2035 | gdk_draw_drawable (drawable, |
2036 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2037 | priv->pixmap, |
2038 | 0,0, |
2039 | priv->drag_mouse_dx - EXTRA_BORDER, |
2040 | priv->drag_mouse_dy - EXTRA_BORDER, |
2041 | -1,-1); |
2042 | |
2043 | //Paint white outside of the map if dragging. Its less |
2044 | //ugly than painting the corrupted map |
2045 | if(priv->drag_mouse_dx>EXTRA_BORDER) { |
2046 | gdk_draw_rectangle (drawable, |
2047 | widget->style->white_gc, |
2048 | TRUE, |
2049 | 0, 0, |
2050 | priv->drag_mouse_dx - EXTRA_BORDER, |
2051 | widget->allocation.height); |
2052 | } |
2053 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) |
2054 | { |
2055 | gdk_draw_rectangle (drawable, |
2056 | widget->style->white_gc, |
2057 | TRUE, |
2058 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, |
2059 | -priv->drag_mouse_dx - EXTRA_BORDER, |
2060 | widget->allocation.height); |
2061 | } |
2062 | |
2063 | if (priv->drag_mouse_dy>EXTRA_BORDER) { |
2064 | gdk_draw_rectangle (drawable, |
2065 | widget->style->white_gc, |
2066 | TRUE, |
2067 | 0, 0, |
2068 | widget->allocation.width, |
2069 | priv->drag_mouse_dy - EXTRA_BORDER); |
2070 | } |
2071 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) |
2072 | { |
2073 | gdk_draw_rectangle (drawable, |
2074 | widget->style->white_gc, |
2075 | TRUE, |
2076 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, |
2077 | widget->allocation.width, |
2078 | -priv->drag_mouse_dy - EXTRA_BORDER); |
2079 | } |
2080 | } |
2081 | |
2082 | #ifdef ENABLE_OSD |
2083 | /* draw new OSD */ |
2084 | if(priv->osd) |
2085 | priv->osd->draw (priv->osd, drawable); |
2086 | |
2087 | #ifdef OSD_DOUBLE_BUFFER |
2088 | gdk_draw_drawable (widget->window, |
2089 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2090 | priv->dbuf_pixmap, |
2091 | 0,0,0,0,-1,-1); |
2092 | #endif |
2093 | |
2094 | #endif |
2095 | |
2096 | return FALSE; |
2097 | } |
2098 | |
2099 | static void |
2100 | osm_gps_map_class_init (OsmGpsMapClass *klass) |
2101 | { |
2102 | GObjectClass* object_class = G_OBJECT_CLASS (klass); |
2103 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
2104 | |
2105 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); |
2106 | |
2107 | object_class->dispose = osm_gps_map_dispose; |
2108 | object_class->finalize = osm_gps_map_finalize; |
2109 | object_class->constructor = osm_gps_map_constructor; |
2110 | object_class->set_property = osm_gps_map_set_property; |
2111 | object_class->get_property = osm_gps_map_get_property; |
2112 | |
2113 | widget_class->expose_event = osm_gps_map_expose; |
2114 | widget_class->configure_event = osm_gps_map_configure; |
2115 | widget_class->button_press_event = osm_gps_map_button_press; |
2116 | widget_class->button_release_event = osm_gps_map_button_release; |
2117 | widget_class->motion_notify_event = osm_gps_map_motion_notify; |
2118 | widget_class->scroll_event = osm_gps_map_scroll_event; |
2119 | |
2120 | g_object_class_install_property (object_class, |
2121 | PROP_AUTO_CENTER, |
2122 | g_param_spec_boolean ("auto-center", |
2123 | "auto center", |
2124 | "map auto center", |
2125 | TRUE, |
2126 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2127 | |
2128 | g_object_class_install_property (object_class, |
2129 | PROP_RECORD_TRIP_HISTORY, |
2130 | g_param_spec_boolean ("record-trip-history", |
2131 | "record trip history", |
2132 | "should all gps points be recorded in a trip history", |
2133 | TRUE, |
2134 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2135 | |
2136 | g_object_class_install_property (object_class, |
2137 | PROP_SHOW_TRIP_HISTORY, |
2138 | g_param_spec_boolean ("show-trip-history", |
2139 | "show trip history", |
2140 | "should the recorded trip history be shown on the map", |
2141 | TRUE, |
2142 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2143 | |
2144 | g_object_class_install_property (object_class, |
2145 | PROP_AUTO_DOWNLOAD, |
2146 | g_param_spec_boolean ("auto-download", |
2147 | "auto download", |
2148 | "map auto download", |
2149 | TRUE, |
2150 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2151 | |
2152 | g_object_class_install_property (object_class, |
2153 | PROP_REPO_URI, |
2154 | g_param_spec_string ("repo-uri", |
2155 | "repo uri", |
2156 | "map source tile repository uri", |
2157 | OSM_REPO_URI, |
2158 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2159 | |
2160 | g_object_class_install_property (object_class, |
2161 | PROP_PROXY_URI, |
2162 | g_param_spec_string ("proxy-uri", |
2163 | "proxy uri", |
2164 | "http proxy uri on NULL", |
2165 | NULL, |
2166 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2167 | |
2168 | g_object_class_install_property (object_class, |
2169 | PROP_TILE_CACHE_DIR, |
2170 | g_param_spec_string ("tile-cache", |
2171 | "tile cache", |
2172 | "osm local tile cache dir", |
2173 | NULL, |
2174 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2175 | |
2176 | g_object_class_install_property (object_class, |
2177 | PROP_ZOOM, |
2178 | g_param_spec_int ("zoom", |
2179 | "zoom", |
2180 | "zoom level", |
2181 | MIN_ZOOM, /* minimum property value */ |
2182 | MAX_ZOOM, /* maximum property value */ |
2183 | 3, |
2184 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2185 | |
2186 | g_object_class_install_property (object_class, |
2187 | PROP_MAX_ZOOM, |
2188 | g_param_spec_int ("max-zoom", |
2189 | "max zoom", |
2190 | "maximum zoom level", |
2191 | MIN_ZOOM, /* minimum property value */ |
2192 | MAX_ZOOM, /* maximum property value */ |
2193 | OSM_MAX_ZOOM, |
2194 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2195 | |
2196 | g_object_class_install_property (object_class, |
2197 | PROP_MIN_ZOOM, |
2198 | g_param_spec_int ("min-zoom", |
2199 | "min zoom", |
2200 | "minimum zoom level", |
2201 | MIN_ZOOM, /* minimum property value */ |
2202 | MAX_ZOOM, /* maximum property value */ |
2203 | OSM_MIN_ZOOM, |
2204 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2205 | |
2206 | g_object_class_install_property (object_class, |
2207 | PROP_LATITUDE, |
2208 | g_param_spec_float ("latitude", |
2209 | "latitude", |
2210 | "latitude in degrees", |
2211 | -90.0, /* minimum property value */ |
2212 | 90.0, /* maximum property value */ |
2213 | 0, |
2214 | G_PARAM_READABLE)); |
2215 | |
2216 | g_object_class_install_property (object_class, |
2217 | PROP_LONGITUDE, |
2218 | g_param_spec_float ("longitude", |
2219 | "longitude", |
2220 | "longitude in degrees", |
2221 | -180.0, /* minimum property value */ |
2222 | 180.0, /* maximum property value */ |
2223 | 0, |
2224 | G_PARAM_READABLE)); |
2225 | |
2226 | g_object_class_install_property (object_class, |
2227 | PROP_MAP_X, |
2228 | g_param_spec_int ("map-x", |
2229 | "map-x", |
2230 | "initial map x location", |
2231 | G_MININT, /* minimum property value */ |
2232 | G_MAXINT, /* maximum property value */ |
2233 | 890, |
2234 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2235 | |
2236 | g_object_class_install_property (object_class, |
2237 | PROP_MAP_Y, |
2238 | g_param_spec_int ("map-y", |
2239 | "map-y", |
2240 | "initial map y location", |
2241 | G_MININT, /* minimum property value */ |
2242 | G_MAXINT, /* maximum property value */ |
2243 | 515, |
2244 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2245 | |
2246 | g_object_class_install_property (object_class, |
2247 | PROP_TILES_QUEUED, |
2248 | g_param_spec_int ("tiles-queued", |
2249 | "tiles-queued", |
2250 | "number of tiles currently waiting to download", |
2251 | G_MININT, /* minimum property value */ |
2252 | G_MAXINT, /* maximum property value */ |
2253 | 0, |
2254 | G_PARAM_READABLE)); |
2255 | |
2256 | g_object_class_install_property (object_class, |
2257 | PROP_GPS_TRACK_WIDTH, |
2258 | g_param_spec_int ("gps-track-width", |
2259 | "gps-track-width", |
2260 | "width of the lines drawn for the gps track", |
2261 | 1, /* minimum property value */ |
2262 | G_MAXINT, /* maximum property value */ |
2263 | 4, |
2264 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2265 | |
2266 | g_object_class_install_property (object_class, |
2267 | PROP_GPS_POINT_R1, |
2268 | g_param_spec_int ("gps-track-point-radius", |
2269 | "gps-track-point-radius", |
2270 | "radius of the gps point inner circle", |
2271 | 0, /* minimum property value */ |
2272 | G_MAXINT, /* maximum property value */ |
2273 | 10, |
2274 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2275 | |
2276 | g_object_class_install_property (object_class, |
2277 | PROP_GPS_POINT_R2, |
2278 | g_param_spec_int ("gps-track-highlight-radius", |
2279 | "gps-track-highlight-radius", |
2280 | "radius of the gps point highlight circle", |
2281 | 0, /* minimum property value */ |
2282 | G_MAXINT, /* maximum property value */ |
2283 | 20, |
2284 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2285 | |
2286 | g_object_class_install_property (object_class, |
2287 | PROP_MAP_SOURCE, |
2288 | g_param_spec_int ("map-source", |
2289 | "map source", |
2290 | "map source ID", |
2291 | -1, /* minimum property value */ |
2292 | G_MAXINT, /* maximum property value */ |
2293 | -1, |
2294 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2295 | |
2296 | g_object_class_install_property (object_class, |
2297 | PROP_IMAGE_FORMAT, |
2298 | g_param_spec_string ("image-format", |
2299 | "image format", |
2300 | "map source tile repository image format (jpg, png)", |
2301 | OSM_IMAGE_FORMAT, |
2302 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2303 | } |
2304 | |
2305 | const char* |
2306 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) |
2307 | { |
2308 | switch(source) |
2309 | { |
2310 | case OSM_GPS_MAP_SOURCE_NULL: |
2311 | return "None"; |
2312 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2313 | return "OpenStreetMap I"; |
2314 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2315 | return "OpenStreetMap II"; |
2316 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2317 | return "OpenCycleMap"; |
2318 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2319 | return "OSMC Trails"; |
2320 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2321 | return "Maps-For-Free"; |
2322 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2323 | return "Google Maps"; |
2324 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2325 | return "Google Satellite"; |
2326 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2327 | return "Google Hybrid"; |
2328 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2329 | return "Virtual Earth"; |
2330 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2331 | return "Virtual Earth Satellite"; |
2332 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2333 | return "Virtual Earth Hybrid"; |
2334 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2335 | return "Yahoo Maps"; |
2336 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2337 | return "Yahoo Satellite"; |
2338 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2339 | return "Yahoo Hybrid"; |
2340 | default: |
2341 | return NULL; |
2342 | } |
2343 | return NULL; |
2344 | } |
2345 | |
2346 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 |
2347 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup |
2348 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java |
2349 | //http://www.mgmaps.com/cache/MapTileCacher.perl |
2350 | const char* |
2351 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) |
2352 | { |
2353 | switch(source) |
2354 | { |
2355 | case OSM_GPS_MAP_SOURCE_NULL: |
2356 | return "none://"; |
2357 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2358 | return OSM_REPO_URI; |
2359 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2360 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; |
2361 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2362 | return "http://c.andy.sandbox.cloudmade.com/tiles/cycle/#Z/#X/#Y.png"; |
2363 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2364 | return "http://topo.geofabrik.de/trails/#Z/#X/#Y.png"; |
2365 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2366 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; |
2367 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2368 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; |
2369 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2370 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; |
2371 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2372 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ |
2373 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2374 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; |
2375 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2376 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; |
2377 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2378 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; |
2379 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2380 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2381 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2382 | /* TODO: Implement signed Y, aka U |
2383 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d |
2384 | * x = tilex, |
2385 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
2386 | * z = zoom - (MAX_ZOOM - 17)); |
2387 | */ |
2388 | return NULL; |
2389 | default: |
2390 | return NULL; |
2391 | } |
2392 | return NULL; |
2393 | } |
2394 | |
2395 | const char * |
2396 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) |
2397 | { |
2398 | switch(source) { |
2399 | case OSM_GPS_MAP_SOURCE_NULL: |
2400 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2401 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2402 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2403 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2404 | return "png"; |
2405 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2406 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2407 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2408 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2409 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2410 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2411 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2412 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2413 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2414 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2415 | return "jpg"; |
2416 | default: |
2417 | return "bin"; |
2418 | } |
2419 | return "bin"; |
2420 | } |
2421 | |
2422 | |
2423 | int |
2424 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) |
2425 | { |
2426 | return 1; |
2427 | } |
2428 | |
2429 | int |
2430 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) |
2431 | { |
2432 | switch(source) { |
2433 | case OSM_GPS_MAP_SOURCE_NULL: |
2434 | return 18; |
2435 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2436 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2437 | return OSM_MAX_ZOOM; |
2438 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2439 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2440 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2441 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2442 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2443 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2444 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2445 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2446 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2447 | return 17; |
2448 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2449 | return 15; |
2450 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2451 | return 11; |
2452 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2453 | return 18; |
2454 | default: |
2455 | return 17; |
2456 | } |
2457 | return 17; |
2458 | } |
2459 | |
2460 | void |
2461 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) |
2462 | { |
2463 | int i,j,zoom,num_tiles; |
2464 | OsmGpsMapPrivate *priv = map->priv; |
2465 | |
2466 | if (pt1 && pt2) |
2467 | { |
2468 | gchar *filename; |
2469 | num_tiles = 0; |
2470 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); |
2471 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); |
2472 | |
2473 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) |
2474 | { |
2475 | int x1,y1,x2,y2; |
2476 | |
2477 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); |
2478 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); |
2479 | |
2480 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); |
2481 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); |
2482 | |
2483 | // loop x1-x2 |
2484 | for(i=x1; i<=x2; i++) |
2485 | { |
2486 | // loop y1 - y2 |
2487 | for(j=y1; j<=y2; j++) |
2488 | { |
2489 | // x = i, y = j |
2490 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
2491 | priv->cache_dir, G_DIR_SEPARATOR, |
2492 | zoom, G_DIR_SEPARATOR, |
2493 | i, G_DIR_SEPARATOR, |
2494 | j, |
2495 | priv->image_format); |
2496 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) |
2497 | { |
2498 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); |
2499 | num_tiles++; |
2500 | } |
2501 | g_free(filename); |
2502 | } |
2503 | } |
2504 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); |
2505 | } |
2506 | } |
2507 | } |
2508 | |
2509 | void |
2510 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) |
2511 | { |
2512 | OsmGpsMapPrivate *priv = map->priv; |
2513 | |
2514 | if (pt1 && pt2) { |
2515 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); |
2516 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); |
2517 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); |
2518 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); |
2519 | |
2520 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); |
2521 | } |
2522 | } |
2523 | |
2524 | void |
2525 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) |
2526 | { |
2527 | osm_gps_map_set_center (map, latitude, longitude); |
2528 | osm_gps_map_set_zoom (map, zoom); |
2529 | } |
2530 | |
2531 | void |
2532 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) |
2533 | { |
2534 | int pixel_x, pixel_y; |
2535 | OsmGpsMapPrivate *priv; |
2536 | |
2537 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2538 | priv = map->priv; |
2539 | |
2540 | priv->center_rlat = deg2rad(latitude); |
2541 | priv->center_rlon = deg2rad(longitude); |
2542 | priv->center_coord_set = TRUE; |
2543 | |
2544 | // pixel_x,y, offsets |
2545 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); |
2546 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); |
2547 | |
2548 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2549 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2550 | |
2551 | osm_gps_map_map_redraw_idle(map); |
2552 | } |
2553 | |
2554 | int |
2555 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) |
2556 | { |
2557 | int zoom_old; |
2558 | double factor = 0.0; |
2559 | int width_center, height_center; |
2560 | OsmGpsMapPrivate *priv; |
2561 | |
2562 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); |
2563 | priv = map->priv; |
2564 | |
2565 | if (zoom != priv->map_zoom) |
2566 | { |
2567 | width_center = GTK_WIDGET(map)->allocation.width / 2; |
2568 | height_center = GTK_WIDGET(map)->allocation.height / 2; |
2569 | |
2570 | zoom_old = priv->map_zoom; |
2571 | //constrain zoom min_zoom -> max_zoom |
2572 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); |
2573 | |
2574 | if (priv->center_coord_set) |
2575 | { |
2576 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; |
2577 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; |
2578 | } |
2579 | else |
2580 | { |
2581 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); |
2582 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; |
2583 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; |
2584 | } |
2585 | |
2586 | g_debug("Zoom changed from %d to %d factor:%f x:%d", |
2587 | zoom_old, priv->map_zoom, factor, priv->map_x); |
2588 | |
2589 | #ifdef ENABLE_OSD |
2590 | /* OSD may contain a scale, so we may have to re-render it */ |
2591 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
2592 | priv->osd->render (priv->osd); |
2593 | #endif |
2594 | |
2595 | osm_gps_map_map_redraw_idle(map); |
2596 | } |
2597 | return priv->map_zoom; |
2598 | } |
2599 | |
2600 | void |
2601 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) |
2602 | { |
2603 | OsmGpsMapPrivate *priv; |
2604 | |
2605 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2606 | priv = map->priv; |
2607 | |
2608 | if (track) { |
2609 | priv->tracks = g_slist_append(priv->tracks, track); |
2610 | osm_gps_map_map_redraw_idle(map); |
2611 | } |
2612 | } |
2613 | |
2614 | void |
2615 | osm_gps_map_clear_tracks (OsmGpsMap *map) |
2616 | { |
2617 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2618 | |
2619 | osm_gps_map_free_tracks(map); |
2620 | osm_gps_map_map_redraw_idle(map); |
2621 | } |
2622 | |
2623 | void |
2624 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) |
2625 | { |
2626 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2627 | |
2628 | if (image) { |
2629 | OsmGpsMapPrivate *priv = map->priv; |
2630 | image_t *im; |
2631 | |
2632 | //cache w/h for speed, and add image to list |
2633 | im = g_new0(image_t,1); |
2634 | im->w = gdk_pixbuf_get_width(image); |
2635 | im->h = gdk_pixbuf_get_height(image); |
2636 | im->pt.rlat = deg2rad(latitude); |
2637 | im->pt.rlon = deg2rad(longitude); |
2638 | |
2639 | g_object_ref(image); |
2640 | im->image = image; |
2641 | |
2642 | priv->images = g_slist_append(priv->images, im); |
2643 | |
2644 | osm_gps_map_map_redraw_idle(map); |
2645 | } |
2646 | } |
2647 | |
2648 | gboolean |
2649 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) |
2650 | { |
2651 | OsmGpsMapPrivate *priv = map->priv; |
2652 | if (priv->images) { |
2653 | GSList *list; |
2654 | for(list = priv->images; list != NULL; list = list->next) |
2655 | { |
2656 | image_t *im = list->data; |
2657 | if (im->image == image) |
2658 | { |
2659 | priv->images = g_slist_remove_link(priv->images, list); |
2660 | g_object_unref(im->image); |
2661 | g_free(im); |
2662 | osm_gps_map_map_redraw_idle(map); |
2663 | return TRUE; |
2664 | } |
2665 | } |
2666 | } |
2667 | return FALSE; |
2668 | } |
2669 | |
2670 | void |
2671 | osm_gps_map_clear_images (OsmGpsMap *map) |
2672 | { |
2673 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2674 | |
2675 | osm_gps_map_free_images(map); |
2676 | osm_gps_map_map_redraw_idle(map); |
2677 | } |
2678 | |
2679 | void |
2680 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) |
2681 | { |
2682 | int pixel_x, pixel_y; |
2683 | OsmGpsMapPrivate *priv; |
2684 | |
2685 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2686 | priv = map->priv; |
2687 | |
2688 | priv->gps->rlat = deg2rad(latitude); |
2689 | priv->gps->rlon = deg2rad(longitude); |
2690 | priv->gps_valid = TRUE; |
2691 | priv->gps_heading = deg2rad(heading); |
2692 | |
2693 | // pixel_x,y, offsets |
2694 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); |
2695 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); |
2696 | |
2697 | //If trip marker add to list of gps points. |
2698 | if (priv->record_trip_history) { |
2699 | coord_t *tp = g_new0(coord_t,1); |
2700 | tp->rlat = priv->gps->rlat; |
2701 | tp->rlon = priv->gps->rlon; |
2702 | priv->trip_history = g_slist_append(priv->trip_history, tp); |
2703 | } |
2704 | |
2705 | // dont draw anything if we are dragging |
2706 | if (priv->dragging) { |
2707 | g_debug("Dragging"); |
2708 | return; |
2709 | } |
2710 | |
2711 | //Automatically center the map if the track approaches the edge |
2712 | if(priv->map_auto_center) { |
2713 | int x = pixel_x - priv->map_x; |
2714 | int y = pixel_y - priv->map_y; |
2715 | int width = GTK_WIDGET(map)->allocation.width; |
2716 | int height = GTK_WIDGET(map)->allocation.height; |
2717 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || |
2718 | y < (height/2 - height/8) || y > (height/2 + height/8)) { |
2719 | |
2720 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2721 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2722 | priv->center_coord_set = FALSE; |
2723 | } |
2724 | } |
2725 | |
2726 | // this redraws the map (including the gps track, and adjusts the |
2727 | // map center if it was changed |
2728 | osm_gps_map_map_redraw_idle(map); |
2729 | } |
2730 | |
2731 | void |
2732 | osm_gps_map_clear_gps (OsmGpsMap *map) |
2733 | { |
2734 | osm_gps_map_free_trip(map); |
2735 | osm_gps_map_map_redraw_idle(map); |
2736 | } |
2737 | |
2738 | coord_t |
2739 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) |
2740 | { |
2741 | coord_t coord; |
2742 | OsmGpsMapPrivate *priv = map->priv; |
2743 | |
2744 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); |
2745 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); |
2746 | return coord; |
2747 | } |
2748 | |
2749 | GtkWidget * |
2750 | osm_gps_map_new (void) |
2751 | { |
2752 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); |
2753 | } |
2754 | |
2755 | void |
2756 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, |
2757 | gfloat *latitude, gfloat *longitude) |
2758 | { |
2759 | OsmGpsMapPrivate *priv; |
2760 | |
2761 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2762 | priv = map->priv; |
2763 | |
2764 | if (latitude) |
2765 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); |
2766 | if (longitude) |
2767 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); |
2768 | } |
2769 | |
2770 | void |
2771 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, |
2772 | gfloat latitude, gfloat longitude, |
2773 | gint *pixel_x, gint *pixel_y) |
2774 | { |
2775 | OsmGpsMapPrivate *priv; |
2776 | |
2777 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2778 | priv = map->priv; |
2779 | |
2780 | if (pixel_x) |
2781 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - |
2782 | priv->map_x + priv->drag_mouse_dx; |
2783 | if (pixel_y) |
2784 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - |
2785 | priv->map_y + priv->drag_mouse_dy; |
2786 | } |
2787 | |
2788 | void |
2789 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) |
2790 | { |
2791 | OsmGpsMapPrivate *priv; |
2792 | |
2793 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2794 | priv = map->priv; |
2795 | |
2796 | priv->center_coord_set = FALSE; |
2797 | priv->map_x += dx; |
2798 | priv->map_y += dy; |
2799 | |
2800 | #ifdef ENABLE_OSD |
2801 | /* OSD may contain a coordinate, so we may have to re-render it */ |
2802 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
2803 | priv->osd->render (priv->osd); |
2804 | #endif |
2805 | |
2806 | osm_gps_map_map_redraw_idle (map); |
2807 | } |
2808 | |
2809 | float |
2810 | osm_gps_map_get_scale(OsmGpsMap *map) |
2811 | { |
2812 | OsmGpsMapPrivate *priv; |
2813 | |
2814 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_GPS_MAP_INVALID); |
2815 | priv = map->priv; |
2816 | |
2817 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
2818 | } |
2819 | |
2820 | #ifdef ENABLE_OSD |
2821 | |
2822 | void |
2823 | osm_gps_map_redraw (OsmGpsMap *map) |
2824 | { |
2825 | osm_gps_map_map_redraw_idle(map); |
2826 | } |
2827 | |
2828 | osm_gps_map_osd_t *osm_gps_map_osd_get(OsmGpsMap *map) { |
2829 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), NULL); |
2830 | return map->priv->osd; |
2831 | } |
2832 | |
2833 | void osm_gps_map_register_osd(OsmGpsMap *map, osm_gps_map_osd_t *osd) { |
2834 | OsmGpsMapPrivate *priv; |
2835 | |
2836 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2837 | |
2838 | priv = map->priv; |
2839 | g_return_if_fail (!priv->osd); |
2840 | |
2841 | priv->osd = osd; |
2842 | } |
2843 | |
2844 | void |
2845 | osm_gps_map_repaint (OsmGpsMap *map) { |
2846 | osm_gps_map_expose (GTK_WIDGET(map), NULL); |
2847 | } |
2848 | |
2849 | #endif |