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1 | /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */ |
2 | /* vim:set et sw=4 ts=4 cino=t0,(0: */ |
3 | /* |
4 | * osm-gps-map.c |
5 | * Copyright (C) Marcus Bauer 2008 <marcus.bauer@gmail.com> |
6 | * Copyright (C) John Stowers 2009 <john.stowers@gmail.com> |
7 | * |
8 | * Contributions by |
9 | * Everaldo Canuto 2009 <everaldo.canuto@gmail.com> |
10 | * |
11 | * osm-gps-map.c is free software: you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the |
13 | * Free Software Foundation, either version 3 of the License, or |
14 | * (at your option) any later version. |
15 | * |
16 | * osm-gps-map.c is distributed in the hope that it will be useful, but |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
19 | * See the GNU General Public License for more details. |
20 | * |
21 | * You should have received a copy of the GNU General Public License along |
22 | * with this program. If not, see <http://www.gnu.org/licenses/>. |
23 | */ |
24 | |
25 | #include "config.h" |
26 | |
27 | #include <fcntl.h> |
28 | #include <math.h> |
29 | #include <unistd.h> |
30 | #include <stdio.h> |
31 | #include <stdlib.h> |
32 | #include <string.h> |
33 | |
34 | #include <gdk/gdk.h> |
35 | #include <glib.h> |
36 | #include <glib/gstdio.h> |
37 | #include <glib/gprintf.h> |
38 | #include <libsoup/soup.h> |
39 | |
40 | #include "converter.h" |
41 | #include "osm-gps-map-types.h" |
42 | #include "osm-gps-map.h" |
43 | |
44 | #ifdef USE_CAIRO |
45 | #include <cairo.h> |
46 | #endif |
47 | |
48 | #define ENABLE_DEBUG 0 |
49 | |
50 | #define EXTRA_BORDER (TILESIZE / 2) |
51 | |
52 | #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_BALLOON |
122 | //a balloon with additional info |
123 | struct { |
124 | coord_t *coo; |
125 | gboolean valid; |
126 | OsmGpsMapRect_t rect; |
127 | OsmGpsMapBalloonCallback cb; |
128 | gpointer data; |
129 | } balloon; |
130 | #endif |
131 | |
132 | #ifdef ENABLE_OSD |
133 | //the osd controls (if present) |
134 | osm_gps_map_osd_t *osd; |
135 | #ifdef OSD_DOUBLE_BUFFER |
136 | GdkPixmap *dbuf_pixmap; |
137 | #endif |
138 | #endif |
139 | |
140 | #ifdef OSM_GPS_MAP_KEY_FULLSCREEN |
141 | gboolean fullscreen; |
142 | #endif |
143 | |
144 | //additional images or tracks added to the map |
145 | GSList *tracks; |
146 | GSList *images; |
147 | |
148 | //Used for storing the joined tiles |
149 | GdkPixmap *pixmap; |
150 | GdkGC *gc_map; |
151 | |
152 | //The tile painted when one cannot be found |
153 | GdkPixbuf *null_tile; |
154 | |
155 | //For tracking click and drag |
156 | int drag_counter; |
157 | int drag_mouse_dx; |
158 | int drag_mouse_dy; |
159 | int drag_start_mouse_x; |
160 | int drag_start_mouse_y; |
161 | int drag_start_map_x; |
162 | int drag_start_map_y; |
163 | |
164 | //for customizing the redering of the gps track |
165 | int ui_gps_track_width; |
166 | int ui_gps_point_inner_radius; |
167 | int ui_gps_point_outer_radius; |
168 | |
169 | guint is_disposed : 1; |
170 | guint dragging : 1; |
171 | guint center_coord_set : 1; |
172 | }; |
173 | |
174 | #define OSM_GPS_MAP_PRIVATE(o) (OSM_GPS_MAP (o)->priv) |
175 | |
176 | typedef struct |
177 | { |
178 | GdkPixbuf *pixbuf; |
179 | /* We keep track of the number of the redraw cycle this tile was last used, |
180 | * so that osm_gps_map_purge_cache() can remove the older ones */ |
181 | guint redraw_cycle; |
182 | } OsmCachedTile; |
183 | |
184 | enum |
185 | { |
186 | PROP_0, |
187 | |
188 | PROP_AUTO_CENTER, |
189 | PROP_RECORD_TRIP_HISTORY, |
190 | PROP_SHOW_TRIP_HISTORY, |
191 | PROP_AUTO_DOWNLOAD, |
192 | PROP_REPO_URI, |
193 | PROP_PROXY_URI, |
194 | PROP_TILE_CACHE_DIR, |
195 | PROP_ZOOM, |
196 | PROP_MAX_ZOOM, |
197 | PROP_MIN_ZOOM, |
198 | PROP_LATITUDE, |
199 | PROP_LONGITUDE, |
200 | PROP_MAP_X, |
201 | PROP_MAP_Y, |
202 | PROP_TILES_QUEUED, |
203 | PROP_GPS_TRACK_WIDTH, |
204 | PROP_GPS_POINT_R1, |
205 | PROP_GPS_POINT_R2, |
206 | PROP_MAP_SOURCE, |
207 | PROP_IMAGE_FORMAT |
208 | }; |
209 | |
210 | G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA); |
211 | |
212 | /* |
213 | * Drawing function forward defintions |
214 | */ |
215 | static gchar *replace_string(const gchar *src, const gchar *from, const gchar *to); |
216 | static void inspect_map_uri(OsmGpsMap *map); |
217 | static gchar *replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y); |
218 | static void osm_gps_map_print_images (OsmGpsMap *map); |
219 | static void osm_gps_map_draw_gps_point (OsmGpsMap *map); |
220 | static void osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y); |
221 | #ifdef LIBSOUP22 |
222 | static void osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data); |
223 | #else |
224 | static void osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data); |
225 | #endif |
226 | static void osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw); |
227 | static void osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y); |
228 | static void osm_gps_map_fill_tiles_pixel (OsmGpsMap *map); |
229 | static gboolean osm_gps_map_map_redraw (OsmGpsMap *map); |
230 | static void osm_gps_map_map_redraw_idle (OsmGpsMap *map); |
231 | |
232 | static void |
233 | cached_tile_free (OsmCachedTile *tile) |
234 | { |
235 | g_object_unref (tile->pixbuf); |
236 | g_slice_free (OsmCachedTile, tile); |
237 | } |
238 | |
239 | /* |
240 | * Description: |
241 | * Find and replace text within a string. |
242 | * |
243 | * Parameters: |
244 | * src (in) - pointer to source string |
245 | * from (in) - pointer to search text |
246 | * to (in) - pointer to replacement text |
247 | * |
248 | * Returns: |
249 | * Returns a pointer to dynamically-allocated memory containing string |
250 | * with occurences of the text pointed to by 'from' replaced by with the |
251 | * text pointed to by 'to'. |
252 | */ |
253 | static gchar * |
254 | replace_string(const gchar *src, const gchar *from, const gchar *to) |
255 | { |
256 | size_t size = strlen(src) + 1; |
257 | size_t fromlen = strlen(from); |
258 | size_t tolen = strlen(to); |
259 | |
260 | /* Allocate the first chunk with enough for the original string. */ |
261 | gchar *value = g_malloc(size); |
262 | |
263 | |
264 | /* We need to return 'value', so let's make a copy to mess around with. */ |
265 | gchar *dst = value; |
266 | |
267 | if ( value != NULL ) |
268 | { |
269 | for ( ;; ) |
270 | { |
271 | /* Try to find the search text. */ |
272 | const gchar *match = g_strstr_len(src, size, from); |
273 | if ( match != NULL ) |
274 | { |
275 | gchar *temp; |
276 | /* Find out how many characters to copy up to the 'match'. */ |
277 | size_t count = match - src; |
278 | |
279 | |
280 | /* Calculate the total size the string will be after the |
281 | * replacement is performed. */ |
282 | size += tolen - fromlen; |
283 | |
284 | temp = g_realloc(value, size); |
285 | if ( temp == NULL ) |
286 | { |
287 | g_free(value); |
288 | return NULL; |
289 | } |
290 | |
291 | /* we'll want to return 'value' eventually, so let's point it |
292 | * to the memory that we are now working with. |
293 | * And let's not forget to point to the right location in |
294 | * the destination as well. */ |
295 | dst = temp + (dst - value); |
296 | value = temp; |
297 | |
298 | /* |
299 | * Copy from the source to the point where we matched. Then |
300 | * move the source pointer ahead by the amount we copied. And |
301 | * move the destination pointer ahead by the same amount. |
302 | */ |
303 | g_memmove(dst, src, count); |
304 | src += count; |
305 | dst += count; |
306 | |
307 | /* Now copy in the replacement text 'to' at the position of |
308 | * the match. Adjust the source pointer by the text we replaced. |
309 | * Adjust the destination pointer by the amount of replacement |
310 | * text. */ |
311 | g_memmove(dst, to, tolen); |
312 | src += fromlen; |
313 | dst += tolen; |
314 | } |
315 | else |
316 | { |
317 | /* |
318 | * Copy any remaining part of the string. This includes the null |
319 | * termination character. |
320 | */ |
321 | strcpy(dst, src); |
322 | break; |
323 | } |
324 | } |
325 | } |
326 | return value; |
327 | } |
328 | |
329 | static void |
330 | map_convert_coords_to_quadtree_string(OsmGpsMap *map, gint x, gint y, gint zoomlevel, |
331 | gchar *buffer, const gchar initial, |
332 | const gchar *const quadrant) |
333 | { |
334 | gchar *ptr = buffer; |
335 | gint n; |
336 | |
337 | if (initial) |
338 | *ptr++ = initial; |
339 | |
340 | for(n = zoomlevel-1; n >= 0; n--) |
341 | { |
342 | gint xbit = (x >> n) & 1; |
343 | gint ybit = (y >> n) & 1; |
344 | *ptr++ = quadrant[xbit + 2 * ybit]; |
345 | } |
346 | |
347 | *ptr++ = '\0'; |
348 | } |
349 | |
350 | |
351 | static void |
352 | inspect_map_uri(OsmGpsMap *map) |
353 | { |
354 | OsmGpsMapPrivate *priv = map->priv; |
355 | priv->uri_format = 0; |
356 | priv->the_google = FALSE; |
357 | |
358 | if (g_strrstr(priv->repo_uri, URI_MARKER_X)) |
359 | priv->uri_format |= URI_HAS_X; |
360 | |
361 | if (g_strrstr(priv->repo_uri, URI_MARKER_Y)) |
362 | priv->uri_format |= URI_HAS_Y; |
363 | |
364 | if (g_strrstr(priv->repo_uri, URI_MARKER_Z)) |
365 | priv->uri_format |= URI_HAS_Z; |
366 | |
367 | if (g_strrstr(priv->repo_uri, URI_MARKER_S)) |
368 | priv->uri_format |= URI_HAS_S; |
369 | |
370 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q)) |
371 | priv->uri_format |= URI_HAS_Q; |
372 | |
373 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q0)) |
374 | priv->uri_format |= URI_HAS_Q0; |
375 | |
376 | if (g_strrstr(priv->repo_uri, URI_MARKER_YS)) |
377 | priv->uri_format |= URI_HAS_YS; |
378 | |
379 | if (g_strrstr(priv->repo_uri, URI_MARKER_R)) |
380 | priv->uri_format |= URI_HAS_R; |
381 | |
382 | if (g_strrstr(priv->repo_uri, "google.com")) |
383 | priv->the_google = TRUE; |
384 | |
385 | g_debug("URI Format: 0x%X (google: %X)", priv->uri_format, priv->the_google); |
386 | |
387 | } |
388 | |
389 | static gchar * |
390 | replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y) |
391 | { |
392 | OsmGpsMapPrivate *priv = map->priv; |
393 | char *url; |
394 | unsigned int i; |
395 | char location[22]; |
396 | |
397 | i = 1; |
398 | url = g_strdup(uri); |
399 | while (i < URI_FLAG_END) |
400 | { |
401 | char *s = NULL; |
402 | char *old; |
403 | |
404 | old = url; |
405 | switch(i & priv->uri_format) |
406 | { |
407 | case URI_HAS_X: |
408 | s = g_strdup_printf("%d", x); |
409 | url = replace_string(url, URI_MARKER_X, s); |
410 | //g_debug("FOUND " URI_MARKER_X); |
411 | break; |
412 | case URI_HAS_Y: |
413 | s = g_strdup_printf("%d", y); |
414 | url = replace_string(url, URI_MARKER_Y, s); |
415 | //g_debug("FOUND " URI_MARKER_Y); |
416 | break; |
417 | case URI_HAS_Z: |
418 | s = g_strdup_printf("%d", zoom); |
419 | url = replace_string(url, URI_MARKER_Z, s); |
420 | //g_debug("FOUND " URI_MARKER_Z); |
421 | break; |
422 | case URI_HAS_S: |
423 | s = g_strdup_printf("%d", priv->max_zoom-zoom); |
424 | url = replace_string(url, URI_MARKER_S, s); |
425 | //g_debug("FOUND " URI_MARKER_S); |
426 | break; |
427 | case URI_HAS_Q: |
428 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'t',"qrts"); |
429 | s = g_strdup_printf("%s", location); |
430 | url = replace_string(url, URI_MARKER_Q, s); |
431 | //g_debug("FOUND " URI_MARKER_Q); |
432 | break; |
433 | case URI_HAS_Q0: |
434 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'\0', "0123"); |
435 | s = g_strdup_printf("%s", location); |
436 | url = replace_string(url, URI_MARKER_Q0, s); |
437 | //g_debug("FOUND " URI_MARKER_Q0); |
438 | break; |
439 | case URI_HAS_YS: |
440 | // s = g_strdup_printf("%d", y); |
441 | // url = replace_string(url, URI_MARKER_YS, s); |
442 | g_warning("FOUND " URI_MARKER_YS " NOT IMPLEMENTED"); |
443 | // retval = g_strdup_printf(repo->url, |
444 | // tilex, |
445 | // (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
446 | // zoom - (MAX_ZOOM - 17)); |
447 | break; |
448 | case URI_HAS_R: |
449 | s = g_strdup_printf("%d", g_random_int_range(0,4)); |
450 | url = replace_string(url, URI_MARKER_R, s); |
451 | //g_debug("FOUND " URI_MARKER_R); |
452 | break; |
453 | default: |
454 | s = NULL; |
455 | break; |
456 | } |
457 | |
458 | if (s) { |
459 | g_free(s); |
460 | g_free(old); |
461 | } |
462 | |
463 | i = (i << 1); |
464 | |
465 | } |
466 | |
467 | return url; |
468 | } |
469 | |
470 | static void |
471 | my_log_handler (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) |
472 | { |
473 | if (!(log_level & G_LOG_LEVEL_DEBUG) || ENABLE_DEBUG) |
474 | g_log_default_handler (log_domain, log_level, message, user_data); |
475 | } |
476 | |
477 | static float |
478 | osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon) |
479 | { |
480 | /* world at zoom 1 == 512 pixels */ |
481 | return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom)); |
482 | } |
483 | |
484 | /* clears the trip list and all resources */ |
485 | static void |
486 | osm_gps_map_free_trip (OsmGpsMap *map) |
487 | { |
488 | OsmGpsMapPrivate *priv = map->priv; |
489 | if (priv->trip_history) { |
490 | g_slist_foreach(priv->trip_history, (GFunc) g_free, NULL); |
491 | g_slist_free(priv->trip_history); |
492 | priv->trip_history = NULL; |
493 | } |
494 | } |
495 | |
496 | /* clears the tracks and all resources */ |
497 | static void |
498 | osm_gps_map_free_tracks (OsmGpsMap *map) |
499 | { |
500 | OsmGpsMapPrivate *priv = map->priv; |
501 | if (priv->tracks) |
502 | { |
503 | GSList* tmp = priv->tracks; |
504 | while (tmp != NULL) |
505 | { |
506 | g_slist_foreach(tmp->data, (GFunc) g_free, NULL); |
507 | g_slist_free(tmp->data); |
508 | tmp = g_slist_next(tmp); |
509 | } |
510 | g_slist_free(priv->tracks); |
511 | priv->tracks = NULL; |
512 | } |
513 | } |
514 | |
515 | /* free the poi image lists */ |
516 | static void |
517 | osm_gps_map_free_images (OsmGpsMap *map) |
518 | { |
519 | OsmGpsMapPrivate *priv = map->priv; |
520 | if (priv->images) { |
521 | GSList *list; |
522 | for(list = priv->images; list != NULL; list = list->next) |
523 | { |
524 | image_t *im = list->data; |
525 | g_object_unref(im->image); |
526 | g_free(im); |
527 | } |
528 | g_slist_free(priv->images); |
529 | priv->images = NULL; |
530 | } |
531 | } |
532 | |
533 | static void |
534 | osm_gps_map_print_images (OsmGpsMap *map) |
535 | { |
536 | GSList *list; |
537 | int x,y,pixel_x,pixel_y; |
538 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
539 | int map_x0, map_y0; |
540 | OsmGpsMapPrivate *priv = map->priv; |
541 | |
542 | map_x0 = priv->map_x - EXTRA_BORDER; |
543 | map_y0 = priv->map_y - EXTRA_BORDER; |
544 | for(list = priv->images; list != NULL; list = list->next) |
545 | { |
546 | image_t *im = list->data; |
547 | |
548 | // pixel_x,y, offsets |
549 | pixel_x = lon2pixel(priv->map_zoom, im->pt.rlon); |
550 | pixel_y = lat2pixel(priv->map_zoom, im->pt.rlat); |
551 | |
552 | g_debug("Image %dx%d @: %f,%f (%d,%d)", |
553 | im->w, im->h, |
554 | im->pt.rlat, im->pt.rlon, |
555 | pixel_x, pixel_y); |
556 | |
557 | x = pixel_x - map_x0; |
558 | y = pixel_y - map_y0; |
559 | |
560 | gdk_draw_pixbuf ( |
561 | priv->pixmap, |
562 | priv->gc_map, |
563 | im->image, |
564 | 0,0, |
565 | x-(im->w/2),y-(im->h/2), |
566 | im->w,im->h, |
567 | GDK_RGB_DITHER_NONE, 0, 0); |
568 | |
569 | max_x = MAX(x+im->w,max_x); |
570 | min_x = MIN(x-im->w,min_x); |
571 | max_y = MAX(y+im->h,max_y); |
572 | min_y = MIN(y-im->h,min_y); |
573 | } |
574 | |
575 | gtk_widget_queue_draw_area ( |
576 | GTK_WIDGET(map), |
577 | min_x + EXTRA_BORDER, min_y + EXTRA_BORDER, |
578 | max_x + EXTRA_BORDER, max_y + EXTRA_BORDER); |
579 | |
580 | } |
581 | |
582 | static void |
583 | osm_gps_map_draw_gps_point (OsmGpsMap *map) |
584 | { |
585 | OsmGpsMapPrivate *priv = map->priv; |
586 | |
587 | //incase we get called before we have got a gps point |
588 | if (priv->gps_valid) { |
589 | int map_x0, map_y0; |
590 | int x, y; |
591 | int r = priv->ui_gps_point_inner_radius; |
592 | int r2 = priv->ui_gps_point_outer_radius; |
593 | int mr = MAX(3*r,r2); |
594 | |
595 | map_x0 = priv->map_x - EXTRA_BORDER; |
596 | map_y0 = priv->map_y - EXTRA_BORDER; |
597 | x = lon2pixel(priv->map_zoom, priv->gps->rlon) - map_x0; |
598 | y = lat2pixel(priv->map_zoom, priv->gps->rlat) - map_y0; |
599 | #ifdef USE_CAIRO |
600 | cairo_t *cr; |
601 | cairo_pattern_t *pat; |
602 | #else |
603 | GdkColor color; |
604 | GdkGC *marker; |
605 | #endif |
606 | |
607 | #ifdef USE_CAIRO |
608 | cr = gdk_cairo_create(priv->pixmap); |
609 | |
610 | // draw transparent area |
611 | if (r2 > 0) { |
612 | cairo_set_line_width (cr, 1.5); |
613 | cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 0.4); |
614 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
615 | cairo_fill (cr); |
616 | // draw transparent area border |
617 | cairo_set_source_rgba (cr, 0.55, 0.55, 0.55, 0.4); |
618 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
619 | cairo_stroke(cr); |
620 | } |
621 | |
622 | // draw ball gradient |
623 | if (r > 0) { |
624 | // draw direction arrow |
625 | if(!isnan(priv->gps_heading)) |
626 | { |
627 | cairo_move_to (cr, x-r*cos(priv->gps_heading), y-r*sin(priv->gps_heading)); |
628 | cairo_line_to (cr, x+3*r*sin(priv->gps_heading), y-3*r*cos(priv->gps_heading)); |
629 | cairo_line_to (cr, x+r*cos(priv->gps_heading), y+r*sin(priv->gps_heading)); |
630 | cairo_close_path (cr); |
631 | |
632 | cairo_set_source_rgba (cr, 0.3, 0.3, 1.0, 0.5); |
633 | cairo_fill_preserve (cr); |
634 | |
635 | cairo_set_line_width (cr, 1.0); |
636 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); |
637 | cairo_stroke(cr); |
638 | } |
639 | |
640 | pat = cairo_pattern_create_radial (x-(r/5), y-(r/5), (r/5), x, y, r); |
641 | cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1.0); |
642 | cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 1, 1.0); |
643 | cairo_set_source (cr, pat); |
644 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
645 | cairo_fill (cr); |
646 | cairo_pattern_destroy (pat); |
647 | // draw ball border |
648 | cairo_set_line_width (cr, 1.0); |
649 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); |
650 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
651 | cairo_stroke(cr); |
652 | } |
653 | |
654 | cairo_destroy(cr); |
655 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
656 | x-mr, |
657 | y-mr, |
658 | mr*2, |
659 | mr*2); |
660 | #else |
661 | marker = gdk_gc_new(priv->pixmap); |
662 | color.red = 5000; |
663 | color.green = 5000; |
664 | color.blue = 55000; |
665 | gdk_gc_set_rgb_fg_color(marker, &color); |
666 | gdk_gc_set_line_attributes(marker, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
667 | |
668 | if (r2 > 0) { |
669 | gdk_draw_arc (priv->pixmap, |
670 | marker, |
671 | FALSE, //filled |
672 | x-r2, y-r2, // x,y |
673 | r2*2,r2*2, // width, height |
674 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
675 | } |
676 | if (r > 0) { |
677 | gdk_draw_arc (priv->pixmap, |
678 | marker, |
679 | TRUE, //filled |
680 | x-r, y-r, // x,y |
681 | r*2,r*2, // width, height |
682 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
683 | } |
684 | |
685 | g_object_unref(marker); |
686 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
687 | x-(mr+lw), |
688 | y-(mr+lw), |
689 | (mr*2)+lw+lw, |
690 | (mr*2)+lw+lw); |
691 | #endif |
692 | } |
693 | } |
694 | |
695 | #ifdef ENABLE_BALLOON |
696 | /* most visual effects are hardcoded by now, but may be made */ |
697 | /* available via properties later */ |
698 | #ifndef BALLOON_AREA_WIDTH |
699 | #define BALLOON_AREA_WIDTH 290 |
700 | #endif |
701 | #ifndef BALLOON_AREA_HEIGHT |
702 | #define BALLOON_AREA_HEIGHT 75 |
703 | #endif |
704 | #ifndef BALLOON_CORNER_RADIUS |
705 | #define BALLOON_CORNER_RADIUS 10 |
706 | #endif |
707 | |
708 | #define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) |
709 | #define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) |
710 | #define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) |
711 | #define BALLOON_TRANSPARENCY 0.8 |
712 | #define POINTER_HEIGHT 20 |
713 | #define POINTER_FOOT_WIDTH 20 |
714 | #define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) |
715 | #define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) |
716 | #define BALLOON_SHADOW_TRANSPARENCY 0.2 |
717 | |
718 | #define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
719 | |
720 | |
721 | /* draw the bubble shape. this is used twice, once for the shape and once */ |
722 | /* for the shadow */ |
723 | static void |
724 | osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, |
725 | gboolean bottom, int px, int py, int px0, int px1) { |
726 | |
727 | cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
728 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
729 | BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); |
730 | if(!bottom) { |
731 | /* insert top pointer */ |
732 | cairo_line_to (cr, px1, y0); |
733 | cairo_line_to (cr, px, py); |
734 | cairo_line_to (cr, px0, y0); |
735 | } |
736 | |
737 | cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); |
738 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
739 | BALLOON_CORNER_RADIUS, -M_PI/2, 0); |
740 | cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); |
741 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
742 | BALLOON_CORNER_RADIUS, 0, M_PI/2); |
743 | if(bottom) { |
744 | /* insert bottom pointer */ |
745 | cairo_line_to (cr, px0, y1); |
746 | cairo_line_to (cr, px, py); |
747 | cairo_line_to (cr, px1, y1); |
748 | } |
749 | |
750 | cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); |
751 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
752 | BALLOON_CORNER_RADIUS, M_PI/2, M_PI); |
753 | |
754 | cairo_close_path (cr); |
755 | } |
756 | |
757 | static void |
758 | osm_gps_map_draw_balloon_int (OsmGpsMap *map) |
759 | { |
760 | OsmGpsMapPrivate *priv = map->priv; |
761 | |
762 | if (priv->balloon.valid) { |
763 | |
764 | /* ------- convert given coordinate into screen position --------- */ |
765 | int x0 = lon2pixel(priv->map_zoom, priv->balloon.coo->rlon) - |
766 | priv->map_x + EXTRA_BORDER; |
767 | int y0 = lat2pixel(priv->map_zoom, priv->balloon.coo->rlat) - |
768 | priv->map_y + EXTRA_BORDER; |
769 | |
770 | /* check position of this relative to screen center to determine */ |
771 | /* pointer direction ... */ |
772 | int pointer_x = x0, pointer_x0, pointer_x1; |
773 | int pointer_y = y0; |
774 | |
775 | /* ... and calculate position */ |
776 | if((x0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.width/2) { |
777 | x0 -= BALLOON_WIDTH - POINTER_OFFSET; |
778 | pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
779 | pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; |
780 | } else { |
781 | x0 -= POINTER_OFFSET; |
782 | pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
783 | pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; |
784 | } |
785 | |
786 | gboolean bottom = FALSE; |
787 | if((y0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.height/2) { |
788 | bottom = TRUE; |
789 | y0 -= BALLOON_HEIGHT + POINTER_HEIGHT; |
790 | } else |
791 | y0 += POINTER_HEIGHT; |
792 | |
793 | /* calculate bottom/right of box */ |
794 | int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; |
795 | |
796 | /* save balloon screen coordinates for later use */ |
797 | priv->balloon.rect.x = x0 + BALLOON_BORDER; |
798 | priv->balloon.rect.y = y0 + BALLOON_BORDER; |
799 | priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; |
800 | priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; |
801 | |
802 | #ifdef USE_CAIRO |
803 | cairo_t *cr = gdk_cairo_create(priv->pixmap); |
804 | |
805 | /* --------- draw shadow --------------- */ |
806 | osm_gps_map_draw_balloon_shape (cr, |
807 | x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, |
808 | x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, |
809 | bottom, pointer_x, pointer_y, |
810 | pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); |
811 | |
812 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
813 | cairo_fill_preserve (cr); |
814 | cairo_set_source_rgba (cr, 1, 0, 0, 1.0); |
815 | cairo_set_line_width (cr, 0); |
816 | cairo_stroke (cr); |
817 | |
818 | /* --------- draw main shape ----------- */ |
819 | osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, |
820 | bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); |
821 | |
822 | cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); |
823 | cairo_fill_preserve (cr); |
824 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); |
825 | cairo_set_line_width (cr, 1); |
826 | cairo_stroke (cr); |
827 | |
828 | |
829 | /* ---------- draw close button --------- */ |
830 | |
831 | int cx = x1 - BALLOON_BORDER - CLOSE_BUTTON_RADIUS; |
832 | int cy = y0 + BALLOON_BORDER + CLOSE_BUTTON_RADIUS; |
833 | int crad = CLOSE_BUTTON_RADIUS; |
834 | |
835 | cairo_arc (cr, cx, cy, crad, 0, 2 * M_PI); |
836 | cairo_set_source_rgba (cr, 0.8, 0, 0, 1.0); |
837 | cairo_fill_preserve (cr); |
838 | cairo_set_source_rgba (cr, 0.3, 0, 0, 1.0); |
839 | cairo_set_line_width (cr, 2); |
840 | cairo_stroke(cr); |
841 | |
842 | cairo_set_source_rgba (cr, 1, 1, 1, 1.0); |
843 | cairo_set_line_width (cr, BALLOON_CORNER_RADIUS/3.3); |
844 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
845 | cairo_move_to (cr, cx - crad/2, cy - crad/2); |
846 | cairo_line_to (cr, cx + crad/2, cy + crad/2); |
847 | cairo_stroke (cr); |
848 | cairo_move_to (cr, cx + crad/2, cy - crad/2); |
849 | cairo_line_to (cr, cx - crad/2, cy + crad/2); |
850 | cairo_stroke (cr); |
851 | |
852 | if (priv->balloon.cb) { |
853 | /* clip in case application tries to draw in */ |
854 | /* exceed of the balloon */ |
855 | cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, |
856 | priv->balloon.rect.w, priv->balloon.rect.h); |
857 | cairo_clip (cr); |
858 | cairo_new_path (cr); /* current path is not |
859 | consumed by cairo_clip() */ |
860 | |
861 | priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); |
862 | } |
863 | |
864 | cairo_destroy(cr); |
865 | |
866 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
867 | x0, y0, BALLOON_WIDTH, |
868 | BALLOON_HEIGHT + POINTER_HEIGHT); |
869 | #else |
870 | #warning "Balloon display lacks a non-cairo implementation!" |
871 | #endif |
872 | } |
873 | } |
874 | |
875 | /* the user clicked into the balloons main area. handle this */ |
876 | static void |
877 | osm_gps_map_handle_balloon_click(OsmGpsMap *map, gint x, gint y) |
878 | { |
879 | OsmGpsMapPrivate *priv = map->priv; |
880 | |
881 | if (!priv->balloon.valid) |
882 | return; |
883 | |
884 | /* check if the close button was clicked */ |
885 | if ((x > priv->balloon.rect.w - 2*CLOSE_BUTTON_RADIUS) && |
886 | (x < priv->balloon.rect.w) && |
887 | (y > 0) && (y < 2*CLOSE_BUTTON_RADIUS)) { |
888 | |
889 | priv->balloon.valid = FALSE; |
890 | osm_gps_map_map_redraw_idle(map); |
891 | } |
892 | } |
893 | |
894 | /* return true if balloon is being displayed and if */ |
895 | /* the given coordinate is within this balloon */ |
896 | static gboolean |
897 | osm_gps_map_in_balloon(OsmGpsMapPrivate *priv, gint x, gint y) |
898 | { |
899 | return (priv->balloon.valid && |
900 | (x > priv->balloon.rect.x) && |
901 | (x < priv->balloon.rect.x + priv->balloon.rect.w) && |
902 | (y > priv->balloon.rect.y) && |
903 | (y < priv->balloon.rect.y + priv->balloon.rect.h)); |
904 | } |
905 | #endif // ENABLE_BALLOON |
906 | |
907 | static void |
908 | osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y) |
909 | { |
910 | OsmGpsMapPrivate *priv = map->priv; |
911 | |
912 | g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE); |
913 | |
914 | /* draw pixbuf onto pixmap */ |
915 | gdk_draw_pixbuf (priv->pixmap, |
916 | priv->gc_map, |
917 | pixbuf, |
918 | 0,0, |
919 | offset_x,offset_y, |
920 | TILESIZE,TILESIZE, |
921 | GDK_RGB_DITHER_NONE, 0, 0); |
922 | } |
923 | |
924 | /* libsoup-2.2 and libsoup-2.4 use different ways to store the body data */ |
925 | #ifdef LIBSOUP22 |
926 | #define soup_message_headers_append(a,b,c) soup_message_add_header(a,b,c) |
927 | #define MSG_RESPONSE_BODY(a) ((a)->response.body) |
928 | #define MSG_RESPONSE_LEN(a) ((a)->response.length) |
929 | #define MSG_RESPONSE_LEN_FORMAT "%u" |
930 | #else |
931 | #define MSG_RESPONSE_BODY(a) ((a)->response_body->data) |
932 | #define MSG_RESPONSE_LEN(a) ((a)->response_body->length) |
933 | #define MSG_RESPONSE_LEN_FORMAT "%lld" |
934 | #endif |
935 | |
936 | #ifdef LIBSOUP22 |
937 | static void |
938 | osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data) |
939 | #else |
940 | static void |
941 | osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data) |
942 | #endif |
943 | { |
944 | FILE *file; |
945 | tile_download_t *dl = (tile_download_t *)user_data; |
946 | OsmGpsMap *map = OSM_GPS_MAP(dl->map); |
947 | OsmGpsMapPrivate *priv = map->priv; |
948 | gboolean file_saved = FALSE; |
949 | |
950 | if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) |
951 | { |
952 | /* save tile into cachedir if one has been specified */ |
953 | if (priv->cache_dir) |
954 | { |
955 | if (g_mkdir_with_parents(dl->folder,0700) == 0) |
956 | { |
957 | file = g_fopen(dl->filename, "wb"); |
958 | if (file != NULL) |
959 | { |
960 | fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file); |
961 | file_saved = TRUE; |
962 | g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename); |
963 | fclose (file); |
964 | |
965 | } |
966 | } |
967 | else |
968 | { |
969 | g_warning("Error creating tile download directory: %s", |
970 | dl->folder); |
971 | perror("perror:"); |
972 | } |
973 | } |
974 | |
975 | if (dl->redraw) |
976 | { |
977 | GdkPixbuf *pixbuf = NULL; |
978 | |
979 | /* if the file was actually stored on disk, we can simply */ |
980 | /* load and decode it from that file */ |
981 | if (priv->cache_dir) |
982 | { |
983 | if (file_saved) |
984 | { |
985 | pixbuf = gdk_pixbuf_new_from_file (dl->filename, NULL); |
986 | } |
987 | } |
988 | else |
989 | { |
990 | GdkPixbufLoader *loader; |
991 | char *extension = strrchr (dl->filename, '.'); |
992 | |
993 | /* parse file directly from memory */ |
994 | if (extension) |
995 | { |
996 | loader = gdk_pixbuf_loader_new_with_type (extension+1, NULL); |
997 | if (!gdk_pixbuf_loader_write (loader, (unsigned char*)MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg), NULL)) |
998 | { |
999 | g_warning("Error: Decoding of image failed"); |
1000 | } |
1001 | gdk_pixbuf_loader_close(loader, NULL); |
1002 | |
1003 | pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); |
1004 | |
1005 | /* give up loader but keep the pixbuf */ |
1006 | g_object_ref(pixbuf); |
1007 | g_object_unref(loader); |
1008 | } |
1009 | else |
1010 | { |
1011 | g_warning("Error: Unable to determine image file format"); |
1012 | } |
1013 | } |
1014 | |
1015 | /* Store the tile into the cache */ |
1016 | if (G_LIKELY (pixbuf)) |
1017 | { |
1018 | OsmCachedTile *tile = g_slice_new (OsmCachedTile); |
1019 | tile->pixbuf = pixbuf; |
1020 | tile->redraw_cycle = priv->redraw_cycle; |
1021 | /* if the tile is already in the cache (it could be one |
1022 | * rendered from another zoom level), it will be |
1023 | * overwritten */ |
1024 | g_hash_table_insert (priv->tile_cache, dl->filename, tile); |
1025 | /* NULL-ify dl->filename so that it won't be freed, as |
1026 | * we are using it as a key in the hash table */ |
1027 | dl->filename = NULL; |
1028 | } |
1029 | osm_gps_map_map_redraw_idle (map); |
1030 | } |
1031 | g_hash_table_remove(priv->tile_queue, dl->uri); |
1032 | |
1033 | g_free(dl->uri); |
1034 | g_free(dl->folder); |
1035 | g_free(dl->filename); |
1036 | g_free(dl); |
1037 | } |
1038 | else |
1039 | { |
1040 | g_warning("Error downloading tile: %d - %s", msg->status_code, msg->reason_phrase); |
1041 | if (msg->status_code == SOUP_STATUS_NOT_FOUND) |
1042 | { |
1043 | g_hash_table_insert(priv->missing_tiles, dl->uri, NULL); |
1044 | g_hash_table_remove(priv->tile_queue, dl->uri); |
1045 | } |
1046 | else if (msg->status_code == SOUP_STATUS_CANCELLED) |
1047 | { |
1048 | ;//application exiting |
1049 | } |
1050 | else |
1051 | { |
1052 | #ifdef LIBSOUP22 |
1053 | soup_session_requeue_message(dl->session, msg); |
1054 | #else |
1055 | soup_session_requeue_message(session, msg); |
1056 | #endif |
1057 | return; |
1058 | } |
1059 | } |
1060 | |
1061 | |
1062 | } |
1063 | |
1064 | static void |
1065 | osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw) |
1066 | { |
1067 | SoupMessage *msg; |
1068 | OsmGpsMapPrivate *priv = map->priv; |
1069 | tile_download_t *dl = g_new0(tile_download_t,1); |
1070 | |
1071 | //calculate the uri to download |
1072 | dl->uri = replace_map_uri(map, priv->repo_uri, zoom, x, y); |
1073 | |
1074 | #ifdef LIBSOUP22 |
1075 | dl->session = priv->soup_session; |
1076 | #endif |
1077 | |
1078 | //check the tile has not already been queued for download, |
1079 | //or has been attempted, and its missing |
1080 | if (g_hash_table_lookup_extended(priv->tile_queue, dl->uri, NULL, NULL) || |
1081 | g_hash_table_lookup_extended(priv->missing_tiles, dl->uri, NULL, NULL) ) |
1082 | { |
1083 | g_debug("Tile already downloading (or missing)"); |
1084 | g_free(dl->uri); |
1085 | g_free(dl); |
1086 | } else { |
1087 | dl->folder = g_strdup_printf("%s%c%d%c%d%c", |
1088 | priv->cache_dir, G_DIR_SEPARATOR, |
1089 | zoom, G_DIR_SEPARATOR, |
1090 | x, G_DIR_SEPARATOR); |
1091 | dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1092 | priv->cache_dir, G_DIR_SEPARATOR, |
1093 | zoom, G_DIR_SEPARATOR, |
1094 | x, G_DIR_SEPARATOR, |
1095 | y, |
1096 | priv->image_format); |
1097 | dl->map = map; |
1098 | dl->redraw = redraw; |
1099 | |
1100 | g_debug("Download tile: %d,%d z:%d\n\t%s --> %s", x, y, zoom, dl->uri, dl->filename); |
1101 | |
1102 | msg = soup_message_new (SOUP_METHOD_GET, dl->uri); |
1103 | if (msg) { |
1104 | if (priv->the_google) { |
1105 | //Set maps.google.com as the referrer |
1106 | g_debug("Setting Google Referrer"); |
1107 | soup_message_headers_append(msg->request_headers, "Referer", "http://maps.google.com/"); |
1108 | //For google satelite also set the appropriate cookie value |
1109 | if (priv->uri_format & URI_HAS_Q) { |
1110 | const char *cookie = g_getenv("GOOGLE_COOKIE"); |
1111 | if (cookie) { |
1112 | g_debug("Adding Google Cookie"); |
1113 | soup_message_headers_append(msg->request_headers, "Cookie", cookie); |
1114 | } |
1115 | } |
1116 | } |
1117 | |
1118 | #ifdef LIBSOUP22 |
1119 | soup_message_headers_append(msg->request_headers, |
1120 | "User-Agent", USER_AGENT); |
1121 | #endif |
1122 | |
1123 | g_hash_table_insert (priv->tile_queue, dl->uri, msg); |
1124 | soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl); |
1125 | } else { |
1126 | g_warning("Could not create soup message"); |
1127 | g_free(dl->uri); |
1128 | g_free(dl->folder); |
1129 | g_free(dl->filename); |
1130 | g_free(dl); |
1131 | } |
1132 | } |
1133 | } |
1134 | |
1135 | static GdkPixbuf * |
1136 | osm_gps_map_load_cached_tile (OsmGpsMap *map, int zoom, int x, int y) |
1137 | { |
1138 | OsmGpsMapPrivate *priv = map->priv; |
1139 | gchar *filename; |
1140 | GdkPixbuf *pixbuf = NULL; |
1141 | OsmCachedTile *tile; |
1142 | |
1143 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1144 | priv->cache_dir, G_DIR_SEPARATOR, |
1145 | zoom, G_DIR_SEPARATOR, |
1146 | x, G_DIR_SEPARATOR, |
1147 | y, |
1148 | priv->image_format); |
1149 | |
1150 | tile = g_hash_table_lookup (priv->tile_cache, filename); |
1151 | if (tile) |
1152 | { |
1153 | g_free (filename); |
1154 | } |
1155 | else |
1156 | { |
1157 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1158 | if (pixbuf) |
1159 | { |
1160 | tile = g_slice_new (OsmCachedTile); |
1161 | tile->pixbuf = pixbuf; |
1162 | g_hash_table_insert (priv->tile_cache, filename, tile); |
1163 | } |
1164 | } |
1165 | |
1166 | /* set/update the redraw_cycle timestamp on the tile */ |
1167 | if (tile) |
1168 | { |
1169 | tile->redraw_cycle = priv->redraw_cycle; |
1170 | pixbuf = g_object_ref (tile->pixbuf); |
1171 | } |
1172 | |
1173 | return pixbuf; |
1174 | } |
1175 | |
1176 | static GdkPixbuf * |
1177 | osm_gps_map_find_bigger_tile (OsmGpsMap *map, int zoom, int x, int y, |
1178 | int *zoom_found) |
1179 | { |
1180 | GdkPixbuf *pixbuf; |
1181 | int next_zoom, next_x, next_y; |
1182 | |
1183 | if (zoom == 0) return NULL; |
1184 | next_zoom = zoom - 1; |
1185 | next_x = x / 2; |
1186 | next_y = y / 2; |
1187 | pixbuf = osm_gps_map_load_cached_tile (map, next_zoom, next_x, next_y); |
1188 | if (pixbuf) |
1189 | *zoom_found = next_zoom; |
1190 | else |
1191 | pixbuf = osm_gps_map_find_bigger_tile (map, next_zoom, next_x, next_y, |
1192 | zoom_found); |
1193 | return pixbuf; |
1194 | } |
1195 | |
1196 | static GdkPixbuf * |
1197 | osm_gps_map_render_missing_tile_upscaled (OsmGpsMap *map, int zoom, |
1198 | int x, int y) |
1199 | { |
1200 | GdkPixbuf *pixbuf, *big, *area; |
1201 | int zoom_big, zoom_diff, area_size, area_x, area_y; |
1202 | int modulo; |
1203 | |
1204 | big = osm_gps_map_find_bigger_tile (map, zoom, x, y, &zoom_big); |
1205 | if (!big) return NULL; |
1206 | |
1207 | g_debug ("Found bigger tile (zoom = %d, wanted = %d)", zoom_big, zoom); |
1208 | |
1209 | /* get a Pixbuf for the area to magnify */ |
1210 | zoom_diff = zoom - zoom_big; |
1211 | area_size = TILESIZE >> zoom_diff; |
1212 | modulo = 1 << zoom_diff; |
1213 | area_x = (x % modulo) * area_size; |
1214 | area_y = (y % modulo) * area_size; |
1215 | area = gdk_pixbuf_new_subpixbuf (big, area_x, area_y, |
1216 | area_size, area_size); |
1217 | g_object_unref (big); |
1218 | pixbuf = gdk_pixbuf_scale_simple (area, TILESIZE, TILESIZE, |
1219 | GDK_INTERP_NEAREST); |
1220 | g_object_unref (area); |
1221 | return pixbuf; |
1222 | } |
1223 | |
1224 | static GdkPixbuf * |
1225 | osm_gps_map_render_missing_tile (OsmGpsMap *map, int zoom, int x, int y) |
1226 | { |
1227 | /* maybe TODO: render from downscaled tiles, if the following fails */ |
1228 | return osm_gps_map_render_missing_tile_upscaled (map, zoom, x, y); |
1229 | } |
1230 | |
1231 | static void |
1232 | osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y) |
1233 | { |
1234 | OsmGpsMapPrivate *priv = map->priv; |
1235 | gchar *filename; |
1236 | GdkPixbuf *pixbuf; |
1237 | |
1238 | g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom); |
1239 | |
1240 | if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) { |
1241 | osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y); |
1242 | return; |
1243 | } |
1244 | |
1245 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1246 | priv->cache_dir, G_DIR_SEPARATOR, |
1247 | zoom, G_DIR_SEPARATOR, |
1248 | x, G_DIR_SEPARATOR, |
1249 | y, |
1250 | priv->image_format); |
1251 | |
1252 | /* try to get file from internal cache first */ |
1253 | if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y))) |
1254 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1255 | |
1256 | if(pixbuf) |
1257 | { |
1258 | g_debug("Found tile %s", filename); |
1259 | osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y); |
1260 | g_object_unref (pixbuf); |
1261 | } |
1262 | else |
1263 | { |
1264 | if (priv->map_auto_download) |
1265 | osm_gps_map_download_tile(map, zoom, x, y, TRUE); |
1266 | |
1267 | /* try to render the tile by scaling cached tiles from other zoom |
1268 | * levels */ |
1269 | pixbuf = osm_gps_map_render_missing_tile (map, zoom, x, y); |
1270 | if (pixbuf) |
1271 | { |
1272 | gdk_draw_pixbuf (priv->pixmap, |
1273 | priv->gc_map, |
1274 | pixbuf, |
1275 | 0,0, |
1276 | offset_x,offset_y, |
1277 | TILESIZE,TILESIZE, |
1278 | GDK_RGB_DITHER_NONE, 0, 0); |
1279 | g_object_unref (pixbuf); |
1280 | } |
1281 | else |
1282 | { |
1283 | //prevent some artifacts when drawing not yet loaded areas. |
1284 | gdk_draw_rectangle (priv->pixmap, |
1285 | GTK_WIDGET(map)->style->white_gc, |
1286 | TRUE, offset_x, offset_y, TILESIZE, TILESIZE); |
1287 | } |
1288 | } |
1289 | g_free(filename); |
1290 | } |
1291 | |
1292 | static void |
1293 | osm_gps_map_fill_tiles_pixel (OsmGpsMap *map) |
1294 | { |
1295 | OsmGpsMapPrivate *priv = map->priv; |
1296 | int i,j, width, height, tile_x0, tile_y0, tiles_nx, tiles_ny; |
1297 | int offset_xn = 0; |
1298 | int offset_yn = 0; |
1299 | int offset_x; |
1300 | int offset_y; |
1301 | |
1302 | g_debug("Fill tiles: %d,%d z:%d", priv->map_x, priv->map_y, priv->map_zoom); |
1303 | |
1304 | offset_x = - priv->map_x % TILESIZE; |
1305 | offset_y = - priv->map_y % TILESIZE; |
1306 | if (offset_x > 0) offset_x -= TILESIZE; |
1307 | if (offset_y > 0) offset_y -= TILESIZE; |
1308 | |
1309 | offset_xn = offset_x + EXTRA_BORDER; |
1310 | offset_yn = offset_y + EXTRA_BORDER; |
1311 | |
1312 | width = GTK_WIDGET(map)->allocation.width; |
1313 | height = GTK_WIDGET(map)->allocation.height; |
1314 | |
1315 | tiles_nx = (width - offset_x) / TILESIZE + 1; |
1316 | tiles_ny = (height - offset_y) / TILESIZE + 1; |
1317 | |
1318 | tile_x0 = floor((float)priv->map_x / (float)TILESIZE); |
1319 | tile_y0 = floor((float)priv->map_y / (float)TILESIZE); |
1320 | |
1321 | //TODO: implement wrap around |
1322 | for (i=tile_x0; i<(tile_x0+tiles_nx);i++) |
1323 | { |
1324 | for (j=tile_y0; j<(tile_y0+tiles_ny); j++) |
1325 | { |
1326 | if( j<0 || i<0 || i>=exp(priv->map_zoom * M_LN2) || j>=exp(priv->map_zoom * M_LN2)) |
1327 | { |
1328 | gdk_draw_rectangle (priv->pixmap, |
1329 | GTK_WIDGET(map)->style->white_gc, |
1330 | TRUE, |
1331 | offset_xn, offset_yn, |
1332 | TILESIZE,TILESIZE); |
1333 | } |
1334 | else |
1335 | { |
1336 | osm_gps_map_load_tile(map, |
1337 | priv->map_zoom, |
1338 | i,j, |
1339 | offset_xn,offset_yn); |
1340 | } |
1341 | offset_yn += TILESIZE; |
1342 | } |
1343 | offset_xn += TILESIZE; |
1344 | offset_yn = offset_y + EXTRA_BORDER; |
1345 | } |
1346 | } |
1347 | |
1348 | static void |
1349 | osm_gps_map_print_track (OsmGpsMap *map, GSList *trackpoint_list) |
1350 | { |
1351 | OsmGpsMapPrivate *priv = map->priv; |
1352 | |
1353 | GSList *list; |
1354 | int x,y; |
1355 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
1356 | int lw = priv->ui_gps_track_width; |
1357 | int map_x0, map_y0; |
1358 | #ifdef USE_CAIRO |
1359 | cairo_t *cr; |
1360 | #else |
1361 | int last_x = 0, last_y = 0; |
1362 | GdkColor color; |
1363 | GdkGC *gc; |
1364 | #endif |
1365 | |
1366 | #ifdef USE_CAIRO |
1367 | cr = gdk_cairo_create(priv->pixmap); |
1368 | cairo_set_line_width (cr, lw); |
1369 | cairo_set_source_rgba (cr, 60000.0/65535.0, 0.0, 0.0, 0.6); |
1370 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1371 | cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); |
1372 | #else |
1373 | gc = gdk_gc_new(priv->pixmap); |
1374 | color.green = 0; |
1375 | color.blue = 0; |
1376 | color.red = 60000; |
1377 | gdk_gc_set_rgb_fg_color(gc, &color); |
1378 | gdk_gc_set_line_attributes(gc, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
1379 | #endif |
1380 | |
1381 | map_x0 = priv->map_x - EXTRA_BORDER; |
1382 | map_y0 = priv->map_y - EXTRA_BORDER; |
1383 | for(list = trackpoint_list; list != NULL; list = list->next) |
1384 | { |
1385 | coord_t *tp = list->data; |
1386 | |
1387 | x = lon2pixel(priv->map_zoom, tp->rlon) - map_x0; |
1388 | y = lat2pixel(priv->map_zoom, tp->rlat) - map_y0; |
1389 | |
1390 | // first time through loop |
1391 | if (list == trackpoint_list) { |
1392 | #ifdef USE_CAIRO |
1393 | cairo_move_to(cr, x, y); |
1394 | #else |
1395 | last_x = x; |
1396 | last_y = y; |
1397 | #endif |
1398 | } |
1399 | |
1400 | #ifdef USE_CAIRO |
1401 | cairo_line_to(cr, x, y); |
1402 | #else |
1403 | gdk_draw_line (priv->pixmap, gc, x, y, last_x, last_y); |
1404 | last_x = x; |
1405 | last_y = y; |
1406 | #endif |
1407 | |
1408 | max_x = MAX(x,max_x); |
1409 | min_x = MIN(x,min_x); |
1410 | max_y = MAX(y,max_y); |
1411 | min_y = MIN(y,min_y); |
1412 | } |
1413 | |
1414 | gtk_widget_queue_draw_area ( |
1415 | GTK_WIDGET(map), |
1416 | min_x - lw, |
1417 | min_y - lw, |
1418 | max_x + (lw * 2), |
1419 | max_y + (lw * 2)); |
1420 | |
1421 | #ifdef USE_CAIRO |
1422 | cairo_stroke(cr); |
1423 | cairo_destroy(cr); |
1424 | #else |
1425 | g_object_unref(gc); |
1426 | #endif |
1427 | } |
1428 | |
1429 | /* Prints the gps trip history, and any other tracks */ |
1430 | static void |
1431 | osm_gps_map_print_tracks (OsmGpsMap *map) |
1432 | { |
1433 | OsmGpsMapPrivate *priv = map->priv; |
1434 | |
1435 | if (priv->show_trip_history) |
1436 | osm_gps_map_print_track (map, priv->trip_history); |
1437 | |
1438 | if (priv->tracks) |
1439 | { |
1440 | GSList* tmp = priv->tracks; |
1441 | while (tmp != NULL) |
1442 | { |
1443 | osm_gps_map_print_track (map, tmp->data); |
1444 | tmp = g_slist_next(tmp); |
1445 | } |
1446 | } |
1447 | } |
1448 | |
1449 | static gboolean |
1450 | osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user) |
1451 | { |
1452 | return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle); |
1453 | } |
1454 | |
1455 | static void |
1456 | osm_gps_map_purge_cache (OsmGpsMap *map) |
1457 | { |
1458 | OsmGpsMapPrivate *priv = map->priv; |
1459 | |
1460 | if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size) |
1461 | return; |
1462 | |
1463 | /* run through the cache, and remove the tiles which have not been used |
1464 | * during the last redraw operation */ |
1465 | g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv); |
1466 | } |
1467 | |
1468 | static gboolean |
1469 | osm_gps_map_map_redraw (OsmGpsMap *map) |
1470 | { |
1471 | OsmGpsMapPrivate *priv = map->priv; |
1472 | |
1473 | priv->idle_map_redraw = 0; |
1474 | |
1475 | /* don't redraw the entire map while the OSD is doing */ |
1476 | /* some animation or the like. This is to keep the animation */ |
1477 | /* fluid */ |
1478 | if (priv->osd->busy(priv->osd)) |
1479 | return FALSE; |
1480 | |
1481 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we |
1482 | * change it while we are dragging, we will end up showing it in the wrong |
1483 | * place. This could be fixed by carefully recompute the coordinates, but |
1484 | * for now it's easier just to disable redrawing the map while dragging */ |
1485 | if (priv->dragging) |
1486 | return FALSE; |
1487 | |
1488 | priv->redraw_cycle++; |
1489 | |
1490 | /* draw white background to initialise pixmap */ |
1491 | gdk_draw_rectangle ( |
1492 | priv->pixmap, |
1493 | GTK_WIDGET(map)->style->white_gc, |
1494 | TRUE, |
1495 | 0, 0, |
1496 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, |
1497 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); |
1498 | |
1499 | osm_gps_map_fill_tiles_pixel(map); |
1500 | |
1501 | osm_gps_map_print_tracks(map); |
1502 | osm_gps_map_draw_gps_point(map); |
1503 | osm_gps_map_print_images(map); |
1504 | #ifdef ENABLE_BALLOON |
1505 | osm_gps_map_draw_balloon_int(map); |
1506 | #endif |
1507 | |
1508 | //osm_gps_map_osd_speed(map, 1.5); |
1509 | osm_gps_map_purge_cache(map); |
1510 | gtk_widget_queue_draw (GTK_WIDGET (map)); |
1511 | |
1512 | return FALSE; |
1513 | } |
1514 | |
1515 | static void |
1516 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) |
1517 | { |
1518 | OsmGpsMapPrivate *priv = map->priv; |
1519 | |
1520 | if (priv->idle_map_redraw == 0) |
1521 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); |
1522 | } |
1523 | |
1524 | #ifdef OSM_GPS_MAP_KEYS |
1525 | static gboolean |
1526 | on_window_key_press(GtkWidget *widget, |
1527 | GdkEventKey *event, OsmGpsMapPrivate *priv) { |
1528 | gboolean handled = FALSE; |
1529 | int step = GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP; |
1530 | |
1531 | // the map handles some keys on its own ... |
1532 | switch(event->keyval) { |
1533 | #ifdef OSM_GPS_MAP_KEY_FULLSCREEN |
1534 | case OSM_GPS_MAP_KEY_FULLSCREEN: { |
1535 | GtkWidget *toplevel = gtk_widget_get_toplevel(GTK_WIDGET(widget)); |
1536 | if(!priv->fullscreen) |
1537 | gtk_window_fullscreen(GTK_WINDOW(toplevel)); |
1538 | else |
1539 | gtk_window_unfullscreen(GTK_WINDOW(toplevel)); |
1540 | |
1541 | priv->fullscreen = !priv->fullscreen; |
1542 | handled = TRUE; |
1543 | } break; |
1544 | #endif |
1545 | |
1546 | #ifdef OSM_GPS_MAP_KEY_ZOOMIN |
1547 | case OSM_GPS_MAP_KEY_ZOOMIN: |
1548 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
1549 | handled = TRUE; |
1550 | break; |
1551 | #endif |
1552 | |
1553 | #ifdef OSM_GPS_MAP_KEY_ZOOMOUT |
1554 | case OSM_GPS_MAP_KEY_ZOOMOUT: |
1555 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
1556 | handled = TRUE; |
1557 | break; |
1558 | #endif |
1559 | |
1560 | #ifdef OSM_GPS_MAP_KEY_UP |
1561 | case OSM_GPS_MAP_KEY_UP: |
1562 | priv->map_y -= step; |
1563 | priv->center_coord_set = FALSE; |
1564 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1565 | handled = TRUE; |
1566 | break; |
1567 | #endif |
1568 | |
1569 | #ifdef OSM_GPS_MAP_KEY_DOWN |
1570 | case OSM_GPS_MAP_KEY_DOWN: |
1571 | priv->map_y += step; |
1572 | priv->center_coord_set = FALSE; |
1573 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1574 | handled = TRUE; |
1575 | break; |
1576 | #endif |
1577 | |
1578 | #ifdef OSM_GPS_MAP_KEY_LEFT |
1579 | case OSM_GPS_MAP_KEY_LEFT: |
1580 | priv->map_x -= step; |
1581 | priv->center_coord_set = FALSE; |
1582 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1583 | handled = TRUE; |
1584 | break; |
1585 | #endif |
1586 | |
1587 | #ifdef OSM_GPS_MAP_KEY_RIGHT |
1588 | case OSM_GPS_MAP_KEY_RIGHT: |
1589 | priv->map_x += step; |
1590 | priv->center_coord_set = FALSE; |
1591 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1592 | handled = TRUE; |
1593 | break; |
1594 | #endif |
1595 | |
1596 | default: |
1597 | break; |
1598 | } |
1599 | |
1600 | return handled; |
1601 | } |
1602 | #endif |
1603 | |
1604 | static void |
1605 | osm_gps_map_init (OsmGpsMap *object) |
1606 | { |
1607 | OsmGpsMapPrivate *priv; |
1608 | |
1609 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); |
1610 | object->priv = priv; |
1611 | |
1612 | priv->pixmap = NULL; |
1613 | |
1614 | priv->trip_history = NULL; |
1615 | priv->gps = g_new0(coord_t, 1); |
1616 | priv->gps_valid = FALSE; |
1617 | priv->gps_heading = OSM_GPS_MAP_INVALID; |
1618 | |
1619 | #ifdef ENABLE_BALLOON |
1620 | priv->balloon.coo = g_new0(coord_t, 1); |
1621 | priv->balloon.valid = FALSE; |
1622 | priv->balloon.cb = NULL; |
1623 | #endif |
1624 | |
1625 | #ifdef ENABLE_OSD |
1626 | priv->osd = NULL; |
1627 | #endif |
1628 | |
1629 | #ifdef OSM_GPS_MAP_BUTTON_FULLSCREEN |
1630 | priv->fullscreen = FALSE; |
1631 | #endif |
1632 | |
1633 | priv->tracks = NULL; |
1634 | priv->images = NULL; |
1635 | |
1636 | priv->drag_counter = 0; |
1637 | priv->drag_mouse_dx = 0; |
1638 | priv->drag_mouse_dy = 0; |
1639 | priv->drag_start_mouse_x = 0; |
1640 | priv->drag_start_mouse_y = 0; |
1641 | |
1642 | priv->uri_format = 0; |
1643 | priv->the_google = FALSE; |
1644 | |
1645 | priv->map_source = -1; |
1646 | |
1647 | #ifndef LIBSOUP22 |
1648 | //Change naumber of concurrent connections option? |
1649 | priv->soup_session = |
1650 | soup_session_async_new_with_options(SOUP_SESSION_USER_AGENT, |
1651 | USER_AGENT, NULL); |
1652 | #else |
1653 | /* libsoup-2.2 has no special way to set the user agent, so we */ |
1654 | /* set it seperately as an extra header field for each reuest */ |
1655 | priv->soup_session = soup_session_async_new(); |
1656 | #endif |
1657 | |
1658 | //Hash table which maps tile d/l URIs to SoupMessage requests |
1659 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); |
1660 | |
1661 | //Some mapping providers (Google) have varying degrees of tiles at multiple |
1662 | //zoom levels |
1663 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); |
1664 | |
1665 | /* memory cache for most recently used tiles */ |
1666 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, |
1667 | g_free, (GDestroyNotify)cached_tile_free); |
1668 | priv->max_tile_cache_size = 20; |
1669 | |
1670 | gtk_widget_add_events (GTK_WIDGET (object), |
1671 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
1672 | GDK_POINTER_MOTION_MASK | |
1673 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
1674 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); |
1675 | |
1676 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); |
1677 | |
1678 | #ifdef OSM_GPS_MAP_KEYS |
1679 | g_signal_connect(G_OBJECT(object), "key_press_event", |
1680 | G_CALLBACK(on_window_key_press), priv); |
1681 | #endif |
1682 | } |
1683 | |
1684 | static void |
1685 | osm_gps_map_setup(OsmGpsMapPrivate *priv) { |
1686 | const char *uri; |
1687 | |
1688 | //user can specify a map source ID, or a repo URI as the map source |
1689 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); |
1690 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { |
1691 | g_debug("Using null source"); |
1692 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; |
1693 | |
1694 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); |
1695 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); |
1696 | } |
1697 | else if (priv->map_source >= 0) { |
1698 | //check if the source given is valid |
1699 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); |
1700 | if (uri) { |
1701 | g_debug("Setting map source from ID"); |
1702 | g_free(priv->repo_uri); |
1703 | |
1704 | priv->repo_uri = g_strdup(uri); |
1705 | priv->image_format = g_strdup( |
1706 | osm_gps_map_source_get_image_format(priv->map_source)); |
1707 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); |
1708 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); |
1709 | } |
1710 | } |
1711 | |
1712 | const char *fname = osm_gps_map_source_get_friendly_name(priv->map_source); |
1713 | if(!fname) fname = "_unknown_"; |
1714 | |
1715 | if (priv->tile_dir) { |
1716 | //the new cachedir is the given cache dir + the friendly name of the repo_uri |
1717 | priv->cache_dir = g_strdup_printf("%s%c%s", priv->tile_dir, G_DIR_SEPARATOR, fname); |
1718 | g_debug("Adjusting cache dir %s -> %s", priv->tile_dir, priv->cache_dir); |
1719 | } |
1720 | } |
1721 | |
1722 | static GObject * |
1723 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) |
1724 | { |
1725 | //Always chain up to the parent constructor |
1726 | GObject *object = |
1727 | G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); |
1728 | |
1729 | osm_gps_map_setup(OSM_GPS_MAP_PRIVATE(object)); |
1730 | |
1731 | inspect_map_uri(OSM_GPS_MAP(object)); |
1732 | |
1733 | return object; |
1734 | } |
1735 | |
1736 | static void |
1737 | osm_gps_map_dispose (GObject *object) |
1738 | { |
1739 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1740 | OsmGpsMapPrivate *priv = map->priv; |
1741 | |
1742 | if (priv->is_disposed) |
1743 | return; |
1744 | |
1745 | priv->is_disposed = TRUE; |
1746 | |
1747 | soup_session_abort(priv->soup_session); |
1748 | g_object_unref(priv->soup_session); |
1749 | |
1750 | g_hash_table_destroy(priv->tile_queue); |
1751 | g_hash_table_destroy(priv->missing_tiles); |
1752 | g_hash_table_destroy(priv->tile_cache); |
1753 | |
1754 | osm_gps_map_free_images(map); |
1755 | |
1756 | if(priv->pixmap) |
1757 | g_object_unref (priv->pixmap); |
1758 | |
1759 | if (priv->null_tile) |
1760 | g_object_unref (priv->null_tile); |
1761 | |
1762 | if(priv->gc_map) |
1763 | g_object_unref(priv->gc_map); |
1764 | |
1765 | if (priv->idle_map_redraw != 0) |
1766 | g_source_remove (priv->idle_map_redraw); |
1767 | |
1768 | g_free(priv->gps); |
1769 | |
1770 | #ifdef ENABLE_BALLOON |
1771 | g_free(priv->balloon.coo); |
1772 | #endif |
1773 | |
1774 | #ifdef ENABLE_OSD |
1775 | if(priv->osd) |
1776 | priv->osd->free(priv->osd); |
1777 | |
1778 | #ifdef OSD_DOUBLE_BUFFER |
1779 | if(priv->dbuf_pixmap) |
1780 | g_object_unref (priv->dbuf_pixmap); |
1781 | #endif |
1782 | #endif |
1783 | |
1784 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
1785 | } |
1786 | |
1787 | static void |
1788 | osm_gps_map_finalize (GObject *object) |
1789 | { |
1790 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1791 | OsmGpsMapPrivate *priv = map->priv; |
1792 | |
1793 | if(priv->tile_dir) |
1794 | g_free(priv->tile_dir); |
1795 | |
1796 | if(priv->cache_dir) |
1797 | g_free(priv->cache_dir); |
1798 | |
1799 | g_free(priv->repo_uri); |
1800 | g_free(priv->image_format); |
1801 | |
1802 | osm_gps_map_free_trip(map); |
1803 | osm_gps_map_free_tracks(map); |
1804 | |
1805 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); |
1806 | } |
1807 | |
1808 | static void |
1809 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) |
1810 | { |
1811 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
1812 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1813 | OsmGpsMapPrivate *priv = map->priv; |
1814 | |
1815 | switch (prop_id) |
1816 | { |
1817 | case PROP_AUTO_CENTER: |
1818 | priv->map_auto_center = g_value_get_boolean (value); |
1819 | break; |
1820 | case PROP_RECORD_TRIP_HISTORY: |
1821 | priv->record_trip_history = g_value_get_boolean (value); |
1822 | break; |
1823 | case PROP_SHOW_TRIP_HISTORY: |
1824 | priv->show_trip_history = g_value_get_boolean (value); |
1825 | break; |
1826 | case PROP_AUTO_DOWNLOAD: |
1827 | priv->map_auto_download = g_value_get_boolean (value); |
1828 | break; |
1829 | case PROP_REPO_URI: |
1830 | priv->repo_uri = g_value_dup_string (value); |
1831 | break; |
1832 | case PROP_PROXY_URI: |
1833 | if ( g_value_get_string(value) ) { |
1834 | priv->proxy_uri = g_value_dup_string (value); |
1835 | g_debug("Setting proxy server: %s", priv->proxy_uri); |
1836 | |
1837 | #ifndef LIBSOUP22 |
1838 | GValue val = {0}; |
1839 | |
1840 | SoupURI* uri = soup_uri_new(priv->proxy_uri); |
1841 | g_value_init(&val, SOUP_TYPE_URI); |
1842 | g_value_take_boxed(&val, uri); |
1843 | |
1844 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); |
1845 | #else |
1846 | SoupUri* uri = soup_uri_new(priv->proxy_uri); |
1847 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); |
1848 | #endif |
1849 | } else |
1850 | priv->proxy_uri = NULL; |
1851 | |
1852 | break; |
1853 | case PROP_TILE_CACHE_DIR: |
1854 | if ( g_value_get_string(value) ) |
1855 | priv->tile_dir = g_value_dup_string (value); |
1856 | break; |
1857 | case PROP_ZOOM: |
1858 | priv->map_zoom = g_value_get_int (value); |
1859 | break; |
1860 | case PROP_MAX_ZOOM: |
1861 | priv->max_zoom = g_value_get_int (value); |
1862 | break; |
1863 | case PROP_MIN_ZOOM: |
1864 | priv->min_zoom = g_value_get_int (value); |
1865 | break; |
1866 | case PROP_MAP_X: |
1867 | priv->map_x = g_value_get_int (value); |
1868 | priv->center_coord_set = FALSE; |
1869 | break; |
1870 | case PROP_MAP_Y: |
1871 | priv->map_y = g_value_get_int (value); |
1872 | priv->center_coord_set = FALSE; |
1873 | break; |
1874 | case PROP_GPS_TRACK_WIDTH: |
1875 | priv->ui_gps_track_width = g_value_get_int (value); |
1876 | break; |
1877 | case PROP_GPS_POINT_R1: |
1878 | priv->ui_gps_point_inner_radius = g_value_get_int (value); |
1879 | break; |
1880 | case PROP_GPS_POINT_R2: |
1881 | priv->ui_gps_point_outer_radius = g_value_get_int (value); |
1882 | break; |
1883 | case PROP_MAP_SOURCE: { |
1884 | gint old = priv->map_source; |
1885 | priv->map_source = g_value_get_int (value); |
1886 | if(old >= OSM_GPS_MAP_SOURCE_NULL && |
1887 | priv->map_source != old && |
1888 | priv->map_source >= OSM_GPS_MAP_SOURCE_NULL && |
1889 | priv->map_source <= OSM_GPS_MAP_SOURCE_LAST) { |
1890 | |
1891 | /* we now have to switch the entire map */ |
1892 | |
1893 | /* flush the ram cache */ |
1894 | g_hash_table_remove_all(priv->tile_cache); |
1895 | |
1896 | osm_gps_map_setup(priv); |
1897 | |
1898 | inspect_map_uri(map); |
1899 | |
1900 | /* adjust zoom if necessary */ |
1901 | if(priv->map_zoom > priv->max_zoom) |
1902 | osm_gps_map_set_zoom(map, priv->max_zoom); |
1903 | |
1904 | if(priv->map_zoom < priv->min_zoom) |
1905 | osm_gps_map_set_zoom(map, priv->min_zoom); |
1906 | |
1907 | } } break; |
1908 | case PROP_IMAGE_FORMAT: |
1909 | priv->image_format = g_value_dup_string (value); |
1910 | break; |
1911 | default: |
1912 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1913 | break; |
1914 | } |
1915 | } |
1916 | |
1917 | static void |
1918 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) |
1919 | { |
1920 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
1921 | float lat,lon; |
1922 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1923 | OsmGpsMapPrivate *priv = map->priv; |
1924 | |
1925 | switch (prop_id) |
1926 | { |
1927 | case PROP_AUTO_CENTER: |
1928 | g_value_set_boolean(value, priv->map_auto_center); |
1929 | break; |
1930 | case PROP_RECORD_TRIP_HISTORY: |
1931 | g_value_set_boolean(value, priv->record_trip_history); |
1932 | break; |
1933 | case PROP_SHOW_TRIP_HISTORY: |
1934 | g_value_set_boolean(value, priv->show_trip_history); |
1935 | break; |
1936 | case PROP_AUTO_DOWNLOAD: |
1937 | g_value_set_boolean(value, priv->map_auto_download); |
1938 | break; |
1939 | case PROP_REPO_URI: |
1940 | g_value_set_string(value, priv->repo_uri); |
1941 | break; |
1942 | case PROP_PROXY_URI: |
1943 | g_value_set_string(value, priv->proxy_uri); |
1944 | break; |
1945 | case PROP_TILE_CACHE_DIR: |
1946 | g_value_set_string(value, priv->cache_dir); |
1947 | break; |
1948 | case PROP_ZOOM: |
1949 | g_value_set_int(value, priv->map_zoom); |
1950 | break; |
1951 | case PROP_MAX_ZOOM: |
1952 | g_value_set_int(value, priv->max_zoom); |
1953 | break; |
1954 | case PROP_MIN_ZOOM: |
1955 | g_value_set_int(value, priv->min_zoom); |
1956 | break; |
1957 | case PROP_LATITUDE: |
1958 | lat = pixel2lat(priv->map_zoom, |
1959 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); |
1960 | g_value_set_float(value, rad2deg(lat)); |
1961 | break; |
1962 | case PROP_LONGITUDE: |
1963 | lon = pixel2lon(priv->map_zoom, |
1964 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); |
1965 | g_value_set_float(value, rad2deg(lon)); |
1966 | break; |
1967 | case PROP_MAP_X: |
1968 | g_value_set_int(value, priv->map_x); |
1969 | break; |
1970 | case PROP_MAP_Y: |
1971 | g_value_set_int(value, priv->map_y); |
1972 | break; |
1973 | case PROP_TILES_QUEUED: |
1974 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); |
1975 | break; |
1976 | case PROP_GPS_TRACK_WIDTH: |
1977 | g_value_set_int(value, priv->ui_gps_track_width); |
1978 | break; |
1979 | case PROP_GPS_POINT_R1: |
1980 | g_value_set_int(value, priv->ui_gps_point_inner_radius); |
1981 | break; |
1982 | case PROP_GPS_POINT_R2: |
1983 | g_value_set_int(value, priv->ui_gps_point_outer_radius); |
1984 | break; |
1985 | case PROP_MAP_SOURCE: |
1986 | g_value_set_int(value, priv->map_source); |
1987 | break; |
1988 | case PROP_IMAGE_FORMAT: |
1989 | g_value_set_string(value, priv->image_format); |
1990 | break; |
1991 | default: |
1992 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1993 | break; |
1994 | } |
1995 | } |
1996 | |
1997 | static gboolean |
1998 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
1999 | { |
2000 | OsmGpsMap *map = OSM_GPS_MAP(widget); |
2001 | OsmGpsMapPrivate *priv = map->priv; |
2002 | |
2003 | if (event->direction == GDK_SCROLL_UP) |
2004 | { |
2005 | osm_gps_map_set_zoom(map, priv->map_zoom+1); |
2006 | } |
2007 | else |
2008 | { |
2009 | osm_gps_map_set_zoom(map, priv->map_zoom-1); |
2010 | } |
2011 | |
2012 | return FALSE; |
2013 | } |
2014 | |
2015 | static gboolean |
2016 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) |
2017 | { |
2018 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2019 | |
2020 | #ifdef ENABLE_BALLOON |
2021 | /* don't drag if the user clicked within the balloon */ |
2022 | if (osm_gps_map_in_balloon(priv, |
2023 | event->x + EXTRA_BORDER, |
2024 | event->y + EXTRA_BORDER)) |
2025 | { |
2026 | priv->drag_counter = -1; |
2027 | return FALSE; |
2028 | } |
2029 | #endif |
2030 | |
2031 | #ifdef ENABLE_OSD |
2032 | /* pressed inside OSD control? */ |
2033 | if(priv->osd) { |
2034 | osd_button_t but = priv->osd->check(priv->osd, event->x, event->y); |
2035 | if(but != OSD_NONE) |
2036 | { |
2037 | int step = GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP; |
2038 | priv->drag_counter = -1; |
2039 | |
2040 | switch(but) { |
2041 | case OSD_UP: |
2042 | priv->map_y -= step; |
2043 | priv->center_coord_set = FALSE; |
2044 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
2045 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2046 | break; |
2047 | |
2048 | case OSD_DOWN: |
2049 | priv->map_y += step; |
2050 | priv->center_coord_set = FALSE; |
2051 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
2052 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2053 | break; |
2054 | |
2055 | case OSD_LEFT: |
2056 | priv->map_x -= step; |
2057 | priv->center_coord_set = FALSE; |
2058 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
2059 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2060 | break; |
2061 | |
2062 | case OSD_RIGHT: |
2063 | priv->map_x += step; |
2064 | priv->center_coord_set = FALSE; |
2065 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
2066 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2067 | break; |
2068 | |
2069 | case OSD_IN: |
2070 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
2071 | break; |
2072 | |
2073 | case OSD_OUT: |
2074 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
2075 | break; |
2076 | |
2077 | default: |
2078 | /* all custom buttons are forwarded to the application */ |
2079 | if(priv->osd->cb) |
2080 | priv->osd->cb(but, priv->osd->data); |
2081 | break; |
2082 | } |
2083 | |
2084 | return FALSE; |
2085 | } |
2086 | } |
2087 | #endif |
2088 | |
2089 | priv->drag_counter = 0; |
2090 | priv->drag_start_mouse_x = (int) event->x; |
2091 | priv->drag_start_mouse_y = (int) event->y; |
2092 | priv->drag_start_map_x = priv->map_x; |
2093 | priv->drag_start_map_y = priv->map_y; |
2094 | |
2095 | return FALSE; |
2096 | } |
2097 | |
2098 | static gboolean |
2099 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) |
2100 | { |
2101 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2102 | |
2103 | #ifdef ENABLE_BALLOON |
2104 | /* released inside the balloon? */ |
2105 | if (osm_gps_map_in_balloon(priv, |
2106 | event->x + EXTRA_BORDER, |
2107 | event->y + EXTRA_BORDER)) |
2108 | { |
2109 | osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), |
2110 | event->x - priv->balloon.rect.x + EXTRA_BORDER, |
2111 | event->y - priv->balloon.rect.y + EXTRA_BORDER); |
2112 | } |
2113 | #endif |
2114 | |
2115 | if (priv->dragging) |
2116 | { |
2117 | priv->dragging = FALSE; |
2118 | |
2119 | priv->map_x = priv->drag_start_map_x; |
2120 | priv->map_y = priv->drag_start_map_y; |
2121 | |
2122 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); |
2123 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); |
2124 | |
2125 | priv->center_coord_set = FALSE; |
2126 | |
2127 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
2128 | } |
2129 | |
2130 | priv->drag_mouse_dx = 0; |
2131 | priv->drag_mouse_dy = 0; |
2132 | priv->drag_counter = -1; |
2133 | |
2134 | return FALSE; |
2135 | } |
2136 | |
2137 | static gboolean |
2138 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event); |
2139 | |
2140 | static gboolean |
2141 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) |
2142 | { |
2143 | int x, y; |
2144 | GdkModifierType state; |
2145 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2146 | |
2147 | if (event->is_hint) |
2148 | gdk_window_get_pointer (event->window, &x, &y, &state); |
2149 | else |
2150 | { |
2151 | x = event->x; |
2152 | y = event->y; |
2153 | state = event->state; |
2154 | } |
2155 | |
2156 | // are we being dragged |
2157 | if (!(state & GDK_BUTTON1_MASK)) |
2158 | return FALSE; |
2159 | |
2160 | if (priv->drag_counter < 0) |
2161 | return FALSE; |
2162 | |
2163 | priv->drag_counter++; |
2164 | |
2165 | // we havent dragged more than 6 pixels |
2166 | if (priv->drag_counter < 6) |
2167 | return FALSE; |
2168 | |
2169 | #ifdef OSM_GPS_MAP_REFRESH |
2170 | /* reduce update frequency on maemo to keep screen update fluid */ |
2171 | static guint32 last_time = 0; |
2172 | |
2173 | if(event->time - last_time < (1000/OSM_GPS_MAP_REFRESH)) return FALSE; |
2174 | last_time = event->time; |
2175 | #endif |
2176 | |
2177 | priv->dragging = TRUE; |
2178 | |
2179 | if (priv->map_auto_center) |
2180 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
2181 | |
2182 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; |
2183 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; |
2184 | |
2185 | osm_gps_map_expose (widget, NULL); |
2186 | |
2187 | return FALSE; |
2188 | } |
2189 | |
2190 | static gboolean |
2191 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) |
2192 | { |
2193 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2194 | |
2195 | /* create pixmap */ |
2196 | if (priv->pixmap) |
2197 | g_object_unref (priv->pixmap); |
2198 | |
2199 | priv->pixmap = gdk_pixmap_new ( |
2200 | widget->window, |
2201 | widget->allocation.width + EXTRA_BORDER * 2, |
2202 | widget->allocation.height + EXTRA_BORDER * 2, |
2203 | -1); |
2204 | |
2205 | #ifdef ENABLE_OSD |
2206 | |
2207 | #ifdef OSD_DOUBLE_BUFFER |
2208 | if (priv->dbuf_pixmap) |
2209 | g_object_unref (priv->dbuf_pixmap); |
2210 | |
2211 | priv->dbuf_pixmap = gdk_pixmap_new ( |
2212 | widget->window, |
2213 | widget->allocation.width, |
2214 | widget->allocation.height, |
2215 | -1); |
2216 | #endif |
2217 | |
2218 | /* the osd needs some references to map internal objects */ |
2219 | if(priv->osd) |
2220 | priv->osd->widget = widget; |
2221 | #endif |
2222 | |
2223 | /* and gc, used for clipping (I think......) */ |
2224 | if(priv->gc_map) |
2225 | g_object_unref(priv->gc_map); |
2226 | |
2227 | priv->gc_map = gdk_gc_new(priv->pixmap); |
2228 | |
2229 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); |
2230 | |
2231 | return FALSE; |
2232 | } |
2233 | |
2234 | static gboolean |
2235 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) |
2236 | { |
2237 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2238 | |
2239 | #if defined(ENABLE_OSD) && defined(OSD_DOUBLE_BUFFER) |
2240 | GdkDrawable *drawable = priv->dbuf_pixmap; |
2241 | #else |
2242 | GdkDrawable *drawable = widget->window; |
2243 | #endif |
2244 | |
2245 | if (!priv->dragging && event) |
2246 | { |
2247 | gdk_draw_drawable (drawable, |
2248 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2249 | priv->pixmap, |
2250 | event->area.x + EXTRA_BORDER, event->area.y + EXTRA_BORDER, |
2251 | event->area.x, event->area.y, |
2252 | event->area.width, event->area.height); |
2253 | } |
2254 | else |
2255 | { |
2256 | gdk_draw_drawable (drawable, |
2257 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2258 | priv->pixmap, |
2259 | 0,0, |
2260 | priv->drag_mouse_dx - EXTRA_BORDER, |
2261 | priv->drag_mouse_dy - EXTRA_BORDER, |
2262 | -1,-1); |
2263 | |
2264 | //Paint white outside of the map if dragging. Its less |
2265 | //ugly than painting the corrupted map |
2266 | if(priv->drag_mouse_dx>EXTRA_BORDER) { |
2267 | gdk_draw_rectangle (drawable, |
2268 | widget->style->white_gc, |
2269 | TRUE, |
2270 | 0, 0, |
2271 | priv->drag_mouse_dx - EXTRA_BORDER, |
2272 | widget->allocation.height); |
2273 | } |
2274 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) |
2275 | { |
2276 | gdk_draw_rectangle (drawable, |
2277 | widget->style->white_gc, |
2278 | TRUE, |
2279 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, |
2280 | -priv->drag_mouse_dx - EXTRA_BORDER, |
2281 | widget->allocation.height); |
2282 | } |
2283 | |
2284 | if (priv->drag_mouse_dy>EXTRA_BORDER) { |
2285 | gdk_draw_rectangle (drawable, |
2286 | widget->style->white_gc, |
2287 | TRUE, |
2288 | 0, 0, |
2289 | widget->allocation.width, |
2290 | priv->drag_mouse_dy - EXTRA_BORDER); |
2291 | } |
2292 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) |
2293 | { |
2294 | gdk_draw_rectangle (drawable, |
2295 | widget->style->white_gc, |
2296 | TRUE, |
2297 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, |
2298 | widget->allocation.width, |
2299 | -priv->drag_mouse_dy - EXTRA_BORDER); |
2300 | } |
2301 | } |
2302 | |
2303 | #ifdef ENABLE_OSD |
2304 | /* draw new OSD */ |
2305 | if(priv->osd) |
2306 | priv->osd->draw (priv->osd, drawable); |
2307 | |
2308 | #ifdef OSD_DOUBLE_BUFFER |
2309 | gdk_draw_drawable (widget->window, |
2310 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2311 | priv->dbuf_pixmap, |
2312 | 0,0,0,0,-1,-1); |
2313 | #endif |
2314 | |
2315 | #endif |
2316 | |
2317 | return FALSE; |
2318 | } |
2319 | |
2320 | static void |
2321 | osm_gps_map_class_init (OsmGpsMapClass *klass) |
2322 | { |
2323 | GObjectClass* object_class = G_OBJECT_CLASS (klass); |
2324 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
2325 | |
2326 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); |
2327 | |
2328 | object_class->dispose = osm_gps_map_dispose; |
2329 | object_class->finalize = osm_gps_map_finalize; |
2330 | object_class->constructor = osm_gps_map_constructor; |
2331 | object_class->set_property = osm_gps_map_set_property; |
2332 | object_class->get_property = osm_gps_map_get_property; |
2333 | |
2334 | widget_class->expose_event = osm_gps_map_expose; |
2335 | widget_class->configure_event = osm_gps_map_configure; |
2336 | widget_class->button_press_event = osm_gps_map_button_press; |
2337 | widget_class->button_release_event = osm_gps_map_button_release; |
2338 | widget_class->motion_notify_event = osm_gps_map_motion_notify; |
2339 | widget_class->scroll_event = osm_gps_map_scroll_event; |
2340 | |
2341 | g_object_class_install_property (object_class, |
2342 | PROP_AUTO_CENTER, |
2343 | g_param_spec_boolean ("auto-center", |
2344 | "auto center", |
2345 | "map auto center", |
2346 | TRUE, |
2347 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2348 | |
2349 | g_object_class_install_property (object_class, |
2350 | PROP_RECORD_TRIP_HISTORY, |
2351 | g_param_spec_boolean ("record-trip-history", |
2352 | "record trip history", |
2353 | "should all gps points be recorded in a trip history", |
2354 | TRUE, |
2355 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2356 | |
2357 | g_object_class_install_property (object_class, |
2358 | PROP_SHOW_TRIP_HISTORY, |
2359 | g_param_spec_boolean ("show-trip-history", |
2360 | "show trip history", |
2361 | "should the recorded trip history be shown on the map", |
2362 | TRUE, |
2363 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2364 | |
2365 | g_object_class_install_property (object_class, |
2366 | PROP_AUTO_DOWNLOAD, |
2367 | g_param_spec_boolean ("auto-download", |
2368 | "auto download", |
2369 | "map auto download", |
2370 | TRUE, |
2371 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2372 | |
2373 | g_object_class_install_property (object_class, |
2374 | PROP_REPO_URI, |
2375 | g_param_spec_string ("repo-uri", |
2376 | "repo uri", |
2377 | "map source tile repository uri", |
2378 | OSM_REPO_URI, |
2379 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2380 | |
2381 | g_object_class_install_property (object_class, |
2382 | PROP_PROXY_URI, |
2383 | g_param_spec_string ("proxy-uri", |
2384 | "proxy uri", |
2385 | "http proxy uri on NULL", |
2386 | NULL, |
2387 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2388 | |
2389 | g_object_class_install_property (object_class, |
2390 | PROP_TILE_CACHE_DIR, |
2391 | g_param_spec_string ("tile-cache", |
2392 | "tile cache", |
2393 | "osm local tile cache dir", |
2394 | NULL, |
2395 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2396 | |
2397 | g_object_class_install_property (object_class, |
2398 | PROP_ZOOM, |
2399 | g_param_spec_int ("zoom", |
2400 | "zoom", |
2401 | "zoom level", |
2402 | MIN_ZOOM, /* minimum property value */ |
2403 | MAX_ZOOM, /* maximum property value */ |
2404 | 3, |
2405 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2406 | |
2407 | g_object_class_install_property (object_class, |
2408 | PROP_MAX_ZOOM, |
2409 | g_param_spec_int ("max-zoom", |
2410 | "max zoom", |
2411 | "maximum zoom level", |
2412 | MIN_ZOOM, /* minimum property value */ |
2413 | MAX_ZOOM, /* maximum property value */ |
2414 | OSM_MAX_ZOOM, |
2415 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2416 | |
2417 | g_object_class_install_property (object_class, |
2418 | PROP_MIN_ZOOM, |
2419 | g_param_spec_int ("min-zoom", |
2420 | "min zoom", |
2421 | "minimum zoom level", |
2422 | MIN_ZOOM, /* minimum property value */ |
2423 | MAX_ZOOM, /* maximum property value */ |
2424 | OSM_MIN_ZOOM, |
2425 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2426 | |
2427 | g_object_class_install_property (object_class, |
2428 | PROP_LATITUDE, |
2429 | g_param_spec_float ("latitude", |
2430 | "latitude", |
2431 | "latitude in degrees", |
2432 | -90.0, /* minimum property value */ |
2433 | 90.0, /* maximum property value */ |
2434 | 0, |
2435 | G_PARAM_READABLE)); |
2436 | |
2437 | g_object_class_install_property (object_class, |
2438 | PROP_LONGITUDE, |
2439 | g_param_spec_float ("longitude", |
2440 | "longitude", |
2441 | "longitude in degrees", |
2442 | -180.0, /* minimum property value */ |
2443 | 180.0, /* maximum property value */ |
2444 | 0, |
2445 | G_PARAM_READABLE)); |
2446 | |
2447 | g_object_class_install_property (object_class, |
2448 | PROP_MAP_X, |
2449 | g_param_spec_int ("map-x", |
2450 | "map-x", |
2451 | "initial map x location", |
2452 | G_MININT, /* minimum property value */ |
2453 | G_MAXINT, /* maximum property value */ |
2454 | 890, |
2455 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2456 | |
2457 | g_object_class_install_property (object_class, |
2458 | PROP_MAP_Y, |
2459 | g_param_spec_int ("map-y", |
2460 | "map-y", |
2461 | "initial map y location", |
2462 | G_MININT, /* minimum property value */ |
2463 | G_MAXINT, /* maximum property value */ |
2464 | 515, |
2465 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2466 | |
2467 | g_object_class_install_property (object_class, |
2468 | PROP_TILES_QUEUED, |
2469 | g_param_spec_int ("tiles-queued", |
2470 | "tiles-queued", |
2471 | "number of tiles currently waiting to download", |
2472 | G_MININT, /* minimum property value */ |
2473 | G_MAXINT, /* maximum property value */ |
2474 | 0, |
2475 | G_PARAM_READABLE)); |
2476 | |
2477 | g_object_class_install_property (object_class, |
2478 | PROP_GPS_TRACK_WIDTH, |
2479 | g_param_spec_int ("gps-track-width", |
2480 | "gps-track-width", |
2481 | "width of the lines drawn for the gps track", |
2482 | 1, /* minimum property value */ |
2483 | G_MAXINT, /* maximum property value */ |
2484 | 4, |
2485 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2486 | |
2487 | g_object_class_install_property (object_class, |
2488 | PROP_GPS_POINT_R1, |
2489 | g_param_spec_int ("gps-track-point-radius", |
2490 | "gps-track-point-radius", |
2491 | "radius of the gps point inner circle", |
2492 | 0, /* minimum property value */ |
2493 | G_MAXINT, /* maximum property value */ |
2494 | 10, |
2495 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2496 | |
2497 | g_object_class_install_property (object_class, |
2498 | PROP_GPS_POINT_R2, |
2499 | g_param_spec_int ("gps-track-highlight-radius", |
2500 | "gps-track-highlight-radius", |
2501 | "radius of the gps point highlight circle", |
2502 | 0, /* minimum property value */ |
2503 | G_MAXINT, /* maximum property value */ |
2504 | 20, |
2505 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2506 | |
2507 | g_object_class_install_property (object_class, |
2508 | PROP_MAP_SOURCE, |
2509 | g_param_spec_int ("map-source", |
2510 | "map source", |
2511 | "map source ID", |
2512 | -1, /* minimum property value */ |
2513 | G_MAXINT, /* maximum property value */ |
2514 | -1, |
2515 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2516 | |
2517 | g_object_class_install_property (object_class, |
2518 | PROP_IMAGE_FORMAT, |
2519 | g_param_spec_string ("image-format", |
2520 | "image format", |
2521 | "map source tile repository image format (jpg, png)", |
2522 | OSM_IMAGE_FORMAT, |
2523 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2524 | } |
2525 | |
2526 | const char* |
2527 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) |
2528 | { |
2529 | switch(source) |
2530 | { |
2531 | case OSM_GPS_MAP_SOURCE_NULL: |
2532 | return "None"; |
2533 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2534 | return "OpenStreetMap I"; |
2535 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2536 | return "OpenStreetMap II"; |
2537 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2538 | return "OpenCycleMap"; |
2539 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2540 | return "OSMC Trails"; |
2541 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2542 | return "Maps-For-Free"; |
2543 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2544 | return "Google Maps"; |
2545 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2546 | return "Google Satellite"; |
2547 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2548 | return "Google Hybrid"; |
2549 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2550 | return "Virtual Earth"; |
2551 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2552 | return "Virtual Earth Satellite"; |
2553 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2554 | return "Virtual Earth Hybrid"; |
2555 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2556 | return "Yahoo Maps"; |
2557 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2558 | return "Yahoo Satellite"; |
2559 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2560 | return "Yahoo Hybrid"; |
2561 | default: |
2562 | return NULL; |
2563 | } |
2564 | return NULL; |
2565 | } |
2566 | |
2567 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 |
2568 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup |
2569 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java |
2570 | //http://www.mgmaps.com/cache/MapTileCacher.perl |
2571 | const char* |
2572 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) |
2573 | { |
2574 | switch(source) |
2575 | { |
2576 | case OSM_GPS_MAP_SOURCE_NULL: |
2577 | return "none://"; |
2578 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2579 | return OSM_REPO_URI; |
2580 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2581 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; |
2582 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2583 | return "http://c.andy.sandbox.cloudmade.com/tiles/cycle/#Z/#X/#Y.png"; |
2584 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2585 | return "http://topo.geofabrik.de/trails/#Z/#X/#Y.png"; |
2586 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2587 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; |
2588 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2589 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; |
2590 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2591 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; |
2592 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2593 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ |
2594 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2595 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; |
2596 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2597 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; |
2598 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2599 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; |
2600 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2601 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2602 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2603 | /* TODO: Implement signed Y, aka U |
2604 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d |
2605 | * x = tilex, |
2606 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
2607 | * z = zoom - (MAX_ZOOM - 17)); |
2608 | */ |
2609 | return NULL; |
2610 | default: |
2611 | return NULL; |
2612 | } |
2613 | return NULL; |
2614 | } |
2615 | |
2616 | const char * |
2617 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) |
2618 | { |
2619 | switch(source) { |
2620 | case OSM_GPS_MAP_SOURCE_NULL: |
2621 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2622 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2623 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2624 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2625 | return "png"; |
2626 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2627 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2628 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2629 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2630 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2631 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2632 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2633 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2634 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2635 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2636 | return "jpg"; |
2637 | default: |
2638 | return "bin"; |
2639 | } |
2640 | return "bin"; |
2641 | } |
2642 | |
2643 | |
2644 | int |
2645 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) |
2646 | { |
2647 | return 1; |
2648 | } |
2649 | |
2650 | int |
2651 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) |
2652 | { |
2653 | switch(source) { |
2654 | case OSM_GPS_MAP_SOURCE_NULL: |
2655 | return 18; |
2656 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2657 | return OSM_MAX_ZOOM; |
2658 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2659 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2660 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2661 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2662 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2663 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2664 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2665 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2666 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2667 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2668 | return 17; |
2669 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2670 | return 15; |
2671 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2672 | return 11; |
2673 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2674 | return 18; |
2675 | default: |
2676 | return 17; |
2677 | } |
2678 | return 17; |
2679 | } |
2680 | |
2681 | void |
2682 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) |
2683 | { |
2684 | int i,j,zoom,num_tiles; |
2685 | OsmGpsMapPrivate *priv = map->priv; |
2686 | |
2687 | if (pt1 && pt2) |
2688 | { |
2689 | gchar *filename; |
2690 | num_tiles = 0; |
2691 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); |
2692 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); |
2693 | |
2694 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) |
2695 | { |
2696 | int x1,y1,x2,y2; |
2697 | |
2698 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); |
2699 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); |
2700 | |
2701 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); |
2702 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); |
2703 | |
2704 | // loop x1-x2 |
2705 | for(i=x1; i<=x2; i++) |
2706 | { |
2707 | // loop y1 - y2 |
2708 | for(j=y1; j<=y2; j++) |
2709 | { |
2710 | // x = i, y = j |
2711 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
2712 | priv->cache_dir, G_DIR_SEPARATOR, |
2713 | zoom, G_DIR_SEPARATOR, |
2714 | i, G_DIR_SEPARATOR, |
2715 | j, |
2716 | priv->image_format); |
2717 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) |
2718 | { |
2719 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); |
2720 | num_tiles++; |
2721 | } |
2722 | g_free(filename); |
2723 | } |
2724 | } |
2725 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); |
2726 | } |
2727 | } |
2728 | } |
2729 | |
2730 | void |
2731 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) |
2732 | { |
2733 | OsmGpsMapPrivate *priv = map->priv; |
2734 | |
2735 | if (pt1 && pt2) { |
2736 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); |
2737 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); |
2738 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); |
2739 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); |
2740 | |
2741 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); |
2742 | } |
2743 | } |
2744 | |
2745 | void |
2746 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) |
2747 | { |
2748 | osm_gps_map_set_center (map, latitude, longitude); |
2749 | osm_gps_map_set_zoom (map, zoom); |
2750 | } |
2751 | |
2752 | void |
2753 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) |
2754 | { |
2755 | int pixel_x, pixel_y; |
2756 | OsmGpsMapPrivate *priv; |
2757 | |
2758 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2759 | priv = map->priv; |
2760 | |
2761 | priv->center_rlat = deg2rad(latitude); |
2762 | priv->center_rlon = deg2rad(longitude); |
2763 | priv->center_coord_set = TRUE; |
2764 | |
2765 | // pixel_x,y, offsets |
2766 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); |
2767 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); |
2768 | |
2769 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2770 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2771 | |
2772 | osm_gps_map_map_redraw_idle(map); |
2773 | } |
2774 | |
2775 | int |
2776 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) |
2777 | { |
2778 | int zoom_old; |
2779 | double factor = 0.0; |
2780 | int width_center, height_center; |
2781 | OsmGpsMapPrivate *priv; |
2782 | |
2783 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); |
2784 | priv = map->priv; |
2785 | |
2786 | if (zoom != priv->map_zoom) |
2787 | { |
2788 | width_center = GTK_WIDGET(map)->allocation.width / 2; |
2789 | height_center = GTK_WIDGET(map)->allocation.height / 2; |
2790 | |
2791 | zoom_old = priv->map_zoom; |
2792 | //constrain zoom min_zoom -> max_zoom |
2793 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); |
2794 | |
2795 | if (priv->center_coord_set) |
2796 | { |
2797 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; |
2798 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; |
2799 | } |
2800 | else |
2801 | { |
2802 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); |
2803 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; |
2804 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; |
2805 | } |
2806 | |
2807 | g_debug("Zoom changed from %d to %d factor:%f x:%d", |
2808 | zoom_old, priv->map_zoom, factor, priv->map_x); |
2809 | |
2810 | #ifdef ENABLE_OSD |
2811 | /* OSD may contain a scale, so we may have to re-render it */ |
2812 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
2813 | priv->osd->render (priv->osd); |
2814 | #endif |
2815 | |
2816 | osm_gps_map_map_redraw_idle(map); |
2817 | } |
2818 | return priv->map_zoom; |
2819 | } |
2820 | |
2821 | void |
2822 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) |
2823 | { |
2824 | OsmGpsMapPrivate *priv; |
2825 | |
2826 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2827 | priv = map->priv; |
2828 | |
2829 | if (track) { |
2830 | priv->tracks = g_slist_append(priv->tracks, track); |
2831 | osm_gps_map_map_redraw_idle(map); |
2832 | } |
2833 | } |
2834 | |
2835 | void |
2836 | osm_gps_map_clear_tracks (OsmGpsMap *map) |
2837 | { |
2838 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2839 | |
2840 | osm_gps_map_free_tracks(map); |
2841 | osm_gps_map_map_redraw_idle(map); |
2842 | } |
2843 | |
2844 | void |
2845 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) |
2846 | { |
2847 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2848 | |
2849 | if (image) { |
2850 | OsmGpsMapPrivate *priv = map->priv; |
2851 | image_t *im; |
2852 | |
2853 | //cache w/h for speed, and add image to list |
2854 | im = g_new0(image_t,1); |
2855 | im->w = gdk_pixbuf_get_width(image); |
2856 | im->h = gdk_pixbuf_get_height(image); |
2857 | im->pt.rlat = deg2rad(latitude); |
2858 | im->pt.rlon = deg2rad(longitude); |
2859 | |
2860 | g_object_ref(image); |
2861 | im->image = image; |
2862 | |
2863 | priv->images = g_slist_append(priv->images, im); |
2864 | |
2865 | osm_gps_map_map_redraw_idle(map); |
2866 | } |
2867 | } |
2868 | |
2869 | gboolean |
2870 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) |
2871 | { |
2872 | OsmGpsMapPrivate *priv = map->priv; |
2873 | if (priv->images) { |
2874 | GSList *list; |
2875 | for(list = priv->images; list != NULL; list = list->next) |
2876 | { |
2877 | image_t *im = list->data; |
2878 | if (im->image == image) |
2879 | { |
2880 | priv->images = g_slist_remove_link(priv->images, list); |
2881 | g_object_unref(im->image); |
2882 | g_free(im); |
2883 | osm_gps_map_map_redraw_idle(map); |
2884 | return TRUE; |
2885 | } |
2886 | } |
2887 | } |
2888 | return FALSE; |
2889 | } |
2890 | |
2891 | void |
2892 | osm_gps_map_clear_images (OsmGpsMap *map) |
2893 | { |
2894 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2895 | |
2896 | osm_gps_map_free_images(map); |
2897 | osm_gps_map_map_redraw_idle(map); |
2898 | } |
2899 | |
2900 | void |
2901 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) |
2902 | { |
2903 | int pixel_x, pixel_y; |
2904 | OsmGpsMapPrivate *priv; |
2905 | |
2906 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2907 | priv = map->priv; |
2908 | |
2909 | priv->gps->rlat = deg2rad(latitude); |
2910 | priv->gps->rlon = deg2rad(longitude); |
2911 | priv->gps_valid = TRUE; |
2912 | priv->gps_heading = deg2rad(heading); |
2913 | |
2914 | // pixel_x,y, offsets |
2915 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); |
2916 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); |
2917 | |
2918 | //If trip marker add to list of gps points. |
2919 | if (priv->record_trip_history) { |
2920 | coord_t *tp = g_new0(coord_t,1); |
2921 | tp->rlat = priv->gps->rlat; |
2922 | tp->rlon = priv->gps->rlon; |
2923 | priv->trip_history = g_slist_append(priv->trip_history, tp); |
2924 | } |
2925 | |
2926 | // dont draw anything if we are dragging |
2927 | if (priv->dragging) { |
2928 | g_debug("Dragging"); |
2929 | return; |
2930 | } |
2931 | |
2932 | //Automatically center the map if the track approaches the edge |
2933 | if(priv->map_auto_center) { |
2934 | int x = pixel_x - priv->map_x; |
2935 | int y = pixel_y - priv->map_y; |
2936 | int width = GTK_WIDGET(map)->allocation.width; |
2937 | int height = GTK_WIDGET(map)->allocation.height; |
2938 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || |
2939 | y < (height/2 - height/8) || y > (height/2 + height/8)) { |
2940 | |
2941 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2942 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2943 | priv->center_coord_set = FALSE; |
2944 | } |
2945 | } |
2946 | |
2947 | // this redraws the map (including the gps track, and adjusts the |
2948 | // map center if it was changed |
2949 | osm_gps_map_map_redraw_idle(map); |
2950 | } |
2951 | |
2952 | void |
2953 | osm_gps_map_clear_gps (OsmGpsMap *map) |
2954 | { |
2955 | osm_gps_map_free_trip(map); |
2956 | osm_gps_map_map_redraw_idle(map); |
2957 | } |
2958 | |
2959 | coord_t |
2960 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) |
2961 | { |
2962 | coord_t coord; |
2963 | OsmGpsMapPrivate *priv = map->priv; |
2964 | |
2965 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); |
2966 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); |
2967 | return coord; |
2968 | } |
2969 | |
2970 | GtkWidget * |
2971 | osm_gps_map_new (void) |
2972 | { |
2973 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); |
2974 | } |
2975 | |
2976 | void |
2977 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, |
2978 | gfloat *latitude, gfloat *longitude) |
2979 | { |
2980 | OsmGpsMapPrivate *priv; |
2981 | |
2982 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2983 | priv = map->priv; |
2984 | |
2985 | if (latitude) |
2986 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); |
2987 | if (longitude) |
2988 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); |
2989 | } |
2990 | |
2991 | void |
2992 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, |
2993 | gfloat latitude, gfloat longitude, |
2994 | gint *pixel_x, gint *pixel_y) |
2995 | { |
2996 | OsmGpsMapPrivate *priv; |
2997 | |
2998 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2999 | priv = map->priv; |
3000 | |
3001 | if (pixel_x) |
3002 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - priv->map_x; |
3003 | if (pixel_y) |
3004 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - priv->map_y; |
3005 | } |
3006 | |
3007 | void |
3008 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) |
3009 | { |
3010 | OsmGpsMapPrivate *priv; |
3011 | |
3012 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3013 | priv = map->priv; |
3014 | |
3015 | priv->center_coord_set = FALSE; |
3016 | priv->map_x += dx; |
3017 | priv->map_y += dy; |
3018 | |
3019 | osm_gps_map_map_redraw_idle (map); |
3020 | } |
3021 | |
3022 | float |
3023 | osm_gps_map_get_scale(OsmGpsMap *map) |
3024 | { |
3025 | OsmGpsMapPrivate *priv; |
3026 | |
3027 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_GPS_MAP_INVALID); |
3028 | priv = map->priv; |
3029 | |
3030 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
3031 | } |
3032 | |
3033 | #ifdef ENABLE_BALLOON |
3034 | void |
3035 | osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
3036 | OsmGpsMapBalloonCallback cb, gpointer data) |
3037 | { |
3038 | OsmGpsMapPrivate *priv; |
3039 | |
3040 | /* remove and previously installed balloon */ |
3041 | osm_gps_map_clear_balloon (map); |
3042 | |
3043 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3044 | priv = map->priv; |
3045 | |
3046 | priv->balloon.coo->rlat = deg2rad(latitude); |
3047 | priv->balloon.coo->rlon = deg2rad(longitude); |
3048 | priv->balloon.valid = TRUE; |
3049 | |
3050 | priv->balloon.cb = cb; |
3051 | priv->balloon.data = data; |
3052 | |
3053 | // this redraws the map |
3054 | osm_gps_map_map_redraw_idle(map); |
3055 | } |
3056 | |
3057 | void |
3058 | osm_gps_map_clear_balloon (OsmGpsMap *map) |
3059 | { |
3060 | OsmGpsMapPrivate *priv; |
3061 | |
3062 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3063 | priv = map->priv; |
3064 | |
3065 | priv->balloon.valid = FALSE; |
3066 | |
3067 | osm_gps_map_map_redraw_idle(map); |
3068 | } |
3069 | #endif |
3070 | |
3071 | #ifdef ENABLE_OSD |
3072 | |
3073 | void |
3074 | osm_gps_map_redraw (OsmGpsMap *map) |
3075 | { |
3076 | osm_gps_map_map_redraw_idle(map); |
3077 | } |
3078 | |
3079 | osm_gps_map_osd_t *osm_gps_map_osd_get(OsmGpsMap *map) { |
3080 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), NULL); |
3081 | return map->priv->osd; |
3082 | } |
3083 | |
3084 | void osm_gps_map_register_osd(OsmGpsMap *map, osm_gps_map_osd_t *osd) { |
3085 | OsmGpsMapPrivate *priv; |
3086 | |
3087 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
3088 | |
3089 | priv = map->priv; |
3090 | g_return_if_fail (!priv->osd); |
3091 | |
3092 | priv->osd = osd; |
3093 | } |
3094 | |
3095 | void |
3096 | osm_gps_map_repaint (OsmGpsMap *map) { |
3097 | osm_gps_map_expose (GTK_WIDGET(map), NULL); |
3098 | } |
3099 | |
3100 | #endif |