Parent Directory | Revision Log
Changed map redraw handling
1 | /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */ |
2 | /* vim:set et sw=4 ts=4 cino=t0,(0: */ |
3 | /* |
4 | * osm-gps-map.c |
5 | * Copyright (C) Marcus Bauer 2008 <marcus.bauer@gmail.com> |
6 | * Copyright (C) John Stowers 2009 <john.stowers@gmail.com> |
7 | * |
8 | * Contributions by |
9 | * Everaldo Canuto 2009 <everaldo.canuto@gmail.com> |
10 | * |
11 | * osm-gps-map.c is free software: you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the |
13 | * Free Software Foundation, either version 3 of the License, or |
14 | * (at your option) any later version. |
15 | * |
16 | * osm-gps-map.c is distributed in the hope that it will be useful, but |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
19 | * See the GNU General Public License for more details. |
20 | * |
21 | * You should have received a copy of the GNU General Public License along |
22 | * with this program. If not, see <http://www.gnu.org/licenses/>. |
23 | */ |
24 | |
25 | #include "config.h" |
26 | |
27 | #include <fcntl.h> |
28 | #include <math.h> |
29 | #include <unistd.h> |
30 | #include <stdio.h> |
31 | #include <stdlib.h> |
32 | #include <string.h> |
33 | |
34 | #include <gdk/gdk.h> |
35 | #include <glib.h> |
36 | #include <glib/gstdio.h> |
37 | #include <glib/gprintf.h> |
38 | #include <libsoup/soup.h> |
39 | |
40 | #include "converter.h" |
41 | #include "osm-gps-map-types.h" |
42 | #include "osm-gps-map.h" |
43 | |
44 | #ifdef USE_CAIRO |
45 | #include <cairo.h> |
46 | #endif |
47 | |
48 | #define ENABLE_DEBUG 0 |
49 | |
50 | #define EXTRA_BORDER (TILESIZE / 2) |
51 | |
52 | #define OSM_GPS_MAP_SCROLL_STEP 10 |
53 | |
54 | /* any defined key enables key support */ |
55 | #if (defined(OSM_GPS_MAP_KEY_FULLSCREEN) || \ |
56 | defined(OSM_GPS_MAP_KEY_ZOOMIN) || \ |
57 | defined(OSM_GPS_MAP_KEY_ZOOMOUT) || \ |
58 | defined(OSM_GPS_MAP_KEY_UP) || \ |
59 | defined(OSM_GPS_MAP_KEY_DOWN) || \ |
60 | defined(OSM_GPS_MAP_KEY_LEFT) || \ |
61 | defined(OSM_GPS_MAP_KEY_RIGHT)) |
62 | #define OSM_GPS_MAP_KEYS |
63 | #endif |
64 | |
65 | #ifdef OSM_GPS_MAP_KEYS |
66 | #include <gdk/gdkkeysyms.h> |
67 | #endif |
68 | |
69 | #define USER_AGENT "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11" |
70 | |
71 | struct _OsmGpsMapPrivate |
72 | { |
73 | GHashTable *tile_queue; |
74 | GHashTable *missing_tiles; |
75 | GHashTable *tile_cache; |
76 | |
77 | int map_zoom; |
78 | int max_zoom; |
79 | int min_zoom; |
80 | gboolean map_auto_center; |
81 | gboolean map_auto_download; |
82 | int map_x; |
83 | int map_y; |
84 | |
85 | /* Latitude and longitude of the center of the map, in radians */ |
86 | gfloat center_rlat; |
87 | gfloat center_rlon; |
88 | |
89 | guint max_tile_cache_size; |
90 | /* Incremented at each redraw */ |
91 | guint redraw_cycle; |
92 | /* ID of the idle redraw operation */ |
93 | guint idle_map_redraw; |
94 | |
95 | //how we download tiles |
96 | SoupSession *soup_session; |
97 | char *proxy_uri; |
98 | |
99 | //where downloaded tiles are cached |
100 | char *tile_dir; |
101 | char *cache_dir; |
102 | |
103 | //contains flags indicating the various special characters |
104 | //the uri string contains, that will be replaced when calculating |
105 | //the uri to download. |
106 | OsmGpsMapSource_t map_source; |
107 | char *repo_uri; |
108 | char *image_format; |
109 | int uri_format; |
110 | //flag indicating if the map source is located on the google |
111 | gboolean the_google; |
112 | |
113 | //gps tracking state |
114 | gboolean record_trip_history; |
115 | gboolean show_trip_history; |
116 | GSList *trip_history; |
117 | coord_t *gps; |
118 | float gps_heading; |
119 | gboolean gps_valid; |
120 | |
121 | #ifdef ENABLE_OSD |
122 | //the osd controls (if present) |
123 | osm_gps_map_osd_t *osd; |
124 | #ifdef OSD_DOUBLE_BUFFER |
125 | GdkPixmap *dbuf_pixmap; |
126 | #endif |
127 | #endif |
128 | |
129 | #ifdef OSM_GPS_MAP_KEY_FULLSCREEN |
130 | gboolean fullscreen; |
131 | #endif |
132 | |
133 | //additional images or tracks added to the map |
134 | GSList *tracks; |
135 | GSList *images; |
136 | |
137 | //Used for storing the joined tiles |
138 | GdkPixmap *pixmap; |
139 | GdkGC *gc_map; |
140 | |
141 | //The tile painted when one cannot be found |
142 | GdkPixbuf *null_tile; |
143 | |
144 | //For tracking click and drag |
145 | int drag_counter; |
146 | int drag_mouse_dx; |
147 | int drag_mouse_dy; |
148 | int drag_start_mouse_x; |
149 | int drag_start_mouse_y; |
150 | int drag_start_map_x; |
151 | int drag_start_map_y; |
152 | guint drag_expose; |
153 | |
154 | //for customizing the redering of the gps track |
155 | int ui_gps_track_width; |
156 | int ui_gps_point_inner_radius; |
157 | int ui_gps_point_outer_radius; |
158 | |
159 | guint is_disposed : 1; |
160 | guint dragging : 1; |
161 | guint center_coord_set : 1; |
162 | }; |
163 | |
164 | #define OSM_GPS_MAP_PRIVATE(o) (OSM_GPS_MAP (o)->priv) |
165 | |
166 | typedef struct |
167 | { |
168 | GdkPixbuf *pixbuf; |
169 | /* We keep track of the number of the redraw cycle this tile was last used, |
170 | * so that osm_gps_map_purge_cache() can remove the older ones */ |
171 | guint redraw_cycle; |
172 | } OsmCachedTile; |
173 | |
174 | enum |
175 | { |
176 | PROP_0, |
177 | |
178 | PROP_AUTO_CENTER, |
179 | PROP_RECORD_TRIP_HISTORY, |
180 | PROP_SHOW_TRIP_HISTORY, |
181 | PROP_AUTO_DOWNLOAD, |
182 | PROP_REPO_URI, |
183 | PROP_PROXY_URI, |
184 | PROP_TILE_CACHE_DIR, |
185 | PROP_ZOOM, |
186 | PROP_MAX_ZOOM, |
187 | PROP_MIN_ZOOM, |
188 | PROP_LATITUDE, |
189 | PROP_LONGITUDE, |
190 | PROP_MAP_X, |
191 | PROP_MAP_Y, |
192 | PROP_TILES_QUEUED, |
193 | PROP_GPS_TRACK_WIDTH, |
194 | PROP_GPS_POINT_R1, |
195 | PROP_GPS_POINT_R2, |
196 | PROP_MAP_SOURCE, |
197 | PROP_IMAGE_FORMAT |
198 | }; |
199 | |
200 | G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA); |
201 | |
202 | /* |
203 | * Drawing function forward defintions |
204 | */ |
205 | static gchar *replace_string(const gchar *src, const gchar *from, const gchar *to); |
206 | static void inspect_map_uri(OsmGpsMap *map); |
207 | static gchar *replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y); |
208 | static void osm_gps_map_print_images (OsmGpsMap *map); |
209 | static void osm_gps_map_draw_gps_point (OsmGpsMap *map); |
210 | static void osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y); |
211 | #ifdef LIBSOUP22 |
212 | static void osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data); |
213 | #else |
214 | static void osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data); |
215 | #endif |
216 | static void osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw); |
217 | static void osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y); |
218 | static void osm_gps_map_fill_tiles_pixel (OsmGpsMap *map); |
219 | static gboolean osm_gps_map_map_redraw (OsmGpsMap *map); |
220 | static void osm_gps_map_map_redraw_idle (OsmGpsMap *map); |
221 | |
222 | static void |
223 | cached_tile_free (OsmCachedTile *tile) |
224 | { |
225 | g_object_unref (tile->pixbuf); |
226 | g_slice_free (OsmCachedTile, tile); |
227 | } |
228 | |
229 | /* |
230 | * Description: |
231 | * Find and replace text within a string. |
232 | * |
233 | * Parameters: |
234 | * src (in) - pointer to source string |
235 | * from (in) - pointer to search text |
236 | * to (in) - pointer to replacement text |
237 | * |
238 | * Returns: |
239 | * Returns a pointer to dynamically-allocated memory containing string |
240 | * with occurences of the text pointed to by 'from' replaced by with the |
241 | * text pointed to by 'to'. |
242 | */ |
243 | static gchar * |
244 | replace_string(const gchar *src, const gchar *from, const gchar *to) |
245 | { |
246 | size_t size = strlen(src) + 1; |
247 | size_t fromlen = strlen(from); |
248 | size_t tolen = strlen(to); |
249 | |
250 | /* Allocate the first chunk with enough for the original string. */ |
251 | gchar *value = g_malloc(size); |
252 | |
253 | |
254 | /* We need to return 'value', so let's make a copy to mess around with. */ |
255 | gchar *dst = value; |
256 | |
257 | if ( value != NULL ) |
258 | { |
259 | for ( ;; ) |
260 | { |
261 | /* Try to find the search text. */ |
262 | const gchar *match = g_strstr_len(src, size, from); |
263 | if ( match != NULL ) |
264 | { |
265 | gchar *temp; |
266 | /* Find out how many characters to copy up to the 'match'. */ |
267 | size_t count = match - src; |
268 | |
269 | |
270 | /* Calculate the total size the string will be after the |
271 | * replacement is performed. */ |
272 | size += tolen - fromlen; |
273 | |
274 | temp = g_realloc(value, size); |
275 | if ( temp == NULL ) |
276 | { |
277 | g_free(value); |
278 | return NULL; |
279 | } |
280 | |
281 | /* we'll want to return 'value' eventually, so let's point it |
282 | * to the memory that we are now working with. |
283 | * And let's not forget to point to the right location in |
284 | * the destination as well. */ |
285 | dst = temp + (dst - value); |
286 | value = temp; |
287 | |
288 | /* |
289 | * Copy from the source to the point where we matched. Then |
290 | * move the source pointer ahead by the amount we copied. And |
291 | * move the destination pointer ahead by the same amount. |
292 | */ |
293 | g_memmove(dst, src, count); |
294 | src += count; |
295 | dst += count; |
296 | |
297 | /* Now copy in the replacement text 'to' at the position of |
298 | * the match. Adjust the source pointer by the text we replaced. |
299 | * Adjust the destination pointer by the amount of replacement |
300 | * text. */ |
301 | g_memmove(dst, to, tolen); |
302 | src += fromlen; |
303 | dst += tolen; |
304 | } |
305 | else |
306 | { |
307 | /* |
308 | * Copy any remaining part of the string. This includes the null |
309 | * termination character. |
310 | */ |
311 | strcpy(dst, src); |
312 | break; |
313 | } |
314 | } |
315 | } |
316 | return value; |
317 | } |
318 | |
319 | static void |
320 | map_convert_coords_to_quadtree_string(OsmGpsMap *map, gint x, gint y, gint zoomlevel, |
321 | gchar *buffer, const gchar initial, |
322 | const gchar *const quadrant) |
323 | { |
324 | gchar *ptr = buffer; |
325 | gint n; |
326 | |
327 | if (initial) |
328 | *ptr++ = initial; |
329 | |
330 | for(n = zoomlevel-1; n >= 0; n--) |
331 | { |
332 | gint xbit = (x >> n) & 1; |
333 | gint ybit = (y >> n) & 1; |
334 | *ptr++ = quadrant[xbit + 2 * ybit]; |
335 | } |
336 | |
337 | *ptr++ = '\0'; |
338 | } |
339 | |
340 | |
341 | static void |
342 | inspect_map_uri(OsmGpsMap *map) |
343 | { |
344 | OsmGpsMapPrivate *priv = map->priv; |
345 | priv->uri_format = 0; |
346 | priv->the_google = FALSE; |
347 | |
348 | if (g_strrstr(priv->repo_uri, URI_MARKER_X)) |
349 | priv->uri_format |= URI_HAS_X; |
350 | |
351 | if (g_strrstr(priv->repo_uri, URI_MARKER_Y)) |
352 | priv->uri_format |= URI_HAS_Y; |
353 | |
354 | if (g_strrstr(priv->repo_uri, URI_MARKER_Z)) |
355 | priv->uri_format |= URI_HAS_Z; |
356 | |
357 | if (g_strrstr(priv->repo_uri, URI_MARKER_S)) |
358 | priv->uri_format |= URI_HAS_S; |
359 | |
360 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q)) |
361 | priv->uri_format |= URI_HAS_Q; |
362 | |
363 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q0)) |
364 | priv->uri_format |= URI_HAS_Q0; |
365 | |
366 | if (g_strrstr(priv->repo_uri, URI_MARKER_YS)) |
367 | priv->uri_format |= URI_HAS_YS; |
368 | |
369 | if (g_strrstr(priv->repo_uri, URI_MARKER_R)) |
370 | priv->uri_format |= URI_HAS_R; |
371 | |
372 | if (g_strrstr(priv->repo_uri, "google.com")) |
373 | priv->the_google = TRUE; |
374 | |
375 | g_debug("URI Format: 0x%X (google: %X)", priv->uri_format, priv->the_google); |
376 | |
377 | } |
378 | |
379 | static gchar * |
380 | replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y) |
381 | { |
382 | OsmGpsMapPrivate *priv = map->priv; |
383 | char *url; |
384 | unsigned int i; |
385 | char location[22]; |
386 | |
387 | i = 1; |
388 | url = g_strdup(uri); |
389 | while (i < URI_FLAG_END) |
390 | { |
391 | char *s = NULL; |
392 | char *old; |
393 | |
394 | old = url; |
395 | switch(i & priv->uri_format) |
396 | { |
397 | case URI_HAS_X: |
398 | s = g_strdup_printf("%d", x); |
399 | url = replace_string(url, URI_MARKER_X, s); |
400 | //g_debug("FOUND " URI_MARKER_X); |
401 | break; |
402 | case URI_HAS_Y: |
403 | s = g_strdup_printf("%d", y); |
404 | url = replace_string(url, URI_MARKER_Y, s); |
405 | //g_debug("FOUND " URI_MARKER_Y); |
406 | break; |
407 | case URI_HAS_Z: |
408 | s = g_strdup_printf("%d", zoom); |
409 | url = replace_string(url, URI_MARKER_Z, s); |
410 | //g_debug("FOUND " URI_MARKER_Z); |
411 | break; |
412 | case URI_HAS_S: |
413 | s = g_strdup_printf("%d", priv->max_zoom-zoom); |
414 | url = replace_string(url, URI_MARKER_S, s); |
415 | //g_debug("FOUND " URI_MARKER_S); |
416 | break; |
417 | case URI_HAS_Q: |
418 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'t',"qrts"); |
419 | s = g_strdup_printf("%s", location); |
420 | url = replace_string(url, URI_MARKER_Q, s); |
421 | //g_debug("FOUND " URI_MARKER_Q); |
422 | break; |
423 | case URI_HAS_Q0: |
424 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'\0', "0123"); |
425 | s = g_strdup_printf("%s", location); |
426 | url = replace_string(url, URI_MARKER_Q0, s); |
427 | //g_debug("FOUND " URI_MARKER_Q0); |
428 | break; |
429 | case URI_HAS_YS: |
430 | // s = g_strdup_printf("%d", y); |
431 | // url = replace_string(url, URI_MARKER_YS, s); |
432 | g_warning("FOUND " URI_MARKER_YS " NOT IMPLEMENTED"); |
433 | // retval = g_strdup_printf(repo->url, |
434 | // tilex, |
435 | // (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
436 | // zoom - (MAX_ZOOM - 17)); |
437 | break; |
438 | case URI_HAS_R: |
439 | s = g_strdup_printf("%d", g_random_int_range(0,4)); |
440 | url = replace_string(url, URI_MARKER_R, s); |
441 | //g_debug("FOUND " URI_MARKER_R); |
442 | break; |
443 | default: |
444 | s = NULL; |
445 | break; |
446 | } |
447 | |
448 | if (s) { |
449 | g_free(s); |
450 | g_free(old); |
451 | } |
452 | |
453 | i = (i << 1); |
454 | |
455 | } |
456 | |
457 | return url; |
458 | } |
459 | |
460 | static void |
461 | my_log_handler (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) |
462 | { |
463 | if (!(log_level & G_LOG_LEVEL_DEBUG) || ENABLE_DEBUG) |
464 | g_log_default_handler (log_domain, log_level, message, user_data); |
465 | } |
466 | |
467 | static float |
468 | osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon) |
469 | { |
470 | /* world at zoom 1 == 512 pixels */ |
471 | return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom)); |
472 | } |
473 | |
474 | /* clears the trip list and all resources */ |
475 | static void |
476 | osm_gps_map_free_trip (OsmGpsMap *map) |
477 | { |
478 | OsmGpsMapPrivate *priv = map->priv; |
479 | if (priv->trip_history) { |
480 | g_slist_foreach(priv->trip_history, (GFunc) g_free, NULL); |
481 | g_slist_free(priv->trip_history); |
482 | priv->trip_history = NULL; |
483 | } |
484 | } |
485 | |
486 | /* clears the tracks and all resources */ |
487 | static void |
488 | osm_gps_map_free_tracks (OsmGpsMap *map) |
489 | { |
490 | OsmGpsMapPrivate *priv = map->priv; |
491 | if (priv->tracks) |
492 | { |
493 | GSList* tmp = priv->tracks; |
494 | while (tmp != NULL) |
495 | { |
496 | g_slist_foreach(tmp->data, (GFunc) g_free, NULL); |
497 | g_slist_free(tmp->data); |
498 | tmp = g_slist_next(tmp); |
499 | } |
500 | g_slist_free(priv->tracks); |
501 | priv->tracks = NULL; |
502 | } |
503 | } |
504 | |
505 | /* free the poi image lists */ |
506 | static void |
507 | osm_gps_map_free_images (OsmGpsMap *map) |
508 | { |
509 | OsmGpsMapPrivate *priv = map->priv; |
510 | if (priv->images) { |
511 | GSList *list; |
512 | for(list = priv->images; list != NULL; list = list->next) |
513 | { |
514 | image_t *im = list->data; |
515 | g_object_unref(im->image); |
516 | g_free(im); |
517 | } |
518 | g_slist_free(priv->images); |
519 | priv->images = NULL; |
520 | } |
521 | } |
522 | |
523 | static void |
524 | osm_gps_map_print_images (OsmGpsMap *map) |
525 | { |
526 | GSList *list; |
527 | int x,y,pixel_x,pixel_y; |
528 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
529 | int map_x0, map_y0; |
530 | OsmGpsMapPrivate *priv = map->priv; |
531 | |
532 | map_x0 = priv->map_x - EXTRA_BORDER; |
533 | map_y0 = priv->map_y - EXTRA_BORDER; |
534 | for(list = priv->images; list != NULL; list = list->next) |
535 | { |
536 | image_t *im = list->data; |
537 | |
538 | // pixel_x,y, offsets |
539 | pixel_x = lon2pixel(priv->map_zoom, im->pt.rlon); |
540 | pixel_y = lat2pixel(priv->map_zoom, im->pt.rlat); |
541 | |
542 | g_debug("Image %dx%d @: %f,%f (%d,%d)", |
543 | im->w, im->h, |
544 | im->pt.rlat, im->pt.rlon, |
545 | pixel_x, pixel_y); |
546 | |
547 | x = pixel_x - map_x0; |
548 | y = pixel_y - map_y0; |
549 | |
550 | gdk_draw_pixbuf ( |
551 | priv->pixmap, |
552 | priv->gc_map, |
553 | im->image, |
554 | 0,0, |
555 | x-(im->w/2),y-(im->h/2), |
556 | im->w,im->h, |
557 | GDK_RGB_DITHER_NONE, 0, 0); |
558 | |
559 | max_x = MAX(x+im->w,max_x); |
560 | min_x = MIN(x-im->w,min_x); |
561 | max_y = MAX(y+im->h,max_y); |
562 | min_y = MIN(y-im->h,min_y); |
563 | } |
564 | |
565 | gtk_widget_queue_draw_area ( |
566 | GTK_WIDGET(map), |
567 | min_x + EXTRA_BORDER, min_y + EXTRA_BORDER, |
568 | max_x + EXTRA_BORDER, max_y + EXTRA_BORDER); |
569 | |
570 | } |
571 | |
572 | static void |
573 | osm_gps_map_draw_gps_point (OsmGpsMap *map) |
574 | { |
575 | OsmGpsMapPrivate *priv = map->priv; |
576 | |
577 | //incase we get called before we have got a gps point |
578 | if (priv->gps_valid) { |
579 | int map_x0, map_y0; |
580 | int x, y; |
581 | int r = priv->ui_gps_point_inner_radius; |
582 | int r2 = priv->ui_gps_point_outer_radius; |
583 | int mr = MAX(3*r,r2); |
584 | |
585 | map_x0 = priv->map_x - EXTRA_BORDER; |
586 | map_y0 = priv->map_y - EXTRA_BORDER; |
587 | x = lon2pixel(priv->map_zoom, priv->gps->rlon) - map_x0; |
588 | y = lat2pixel(priv->map_zoom, priv->gps->rlat) - map_y0; |
589 | #ifdef USE_CAIRO |
590 | cairo_t *cr; |
591 | cairo_pattern_t *pat; |
592 | #else |
593 | GdkColor color; |
594 | GdkGC *marker; |
595 | #endif |
596 | |
597 | #ifdef USE_CAIRO |
598 | cr = gdk_cairo_create(priv->pixmap); |
599 | |
600 | // draw transparent area |
601 | if (r2 > 0) { |
602 | cairo_set_line_width (cr, 1.5); |
603 | cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 0.4); |
604 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
605 | cairo_fill (cr); |
606 | // draw transparent area border |
607 | cairo_set_source_rgba (cr, 0.55, 0.55, 0.55, 0.4); |
608 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); |
609 | cairo_stroke(cr); |
610 | } |
611 | |
612 | // draw ball gradient |
613 | if (r > 0) { |
614 | // draw direction arrow |
615 | if(!isnan(priv->gps_heading)) |
616 | { |
617 | cairo_move_to (cr, x-r*cos(priv->gps_heading), y-r*sin(priv->gps_heading)); |
618 | cairo_line_to (cr, x+3*r*sin(priv->gps_heading), y-3*r*cos(priv->gps_heading)); |
619 | cairo_line_to (cr, x+r*cos(priv->gps_heading), y+r*sin(priv->gps_heading)); |
620 | cairo_close_path (cr); |
621 | |
622 | cairo_set_source_rgba (cr, 0.3, 0.3, 1.0, 0.5); |
623 | cairo_fill_preserve (cr); |
624 | |
625 | cairo_set_line_width (cr, 1.0); |
626 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); |
627 | cairo_stroke(cr); |
628 | } |
629 | |
630 | pat = cairo_pattern_create_radial (x-(r/5), y-(r/5), (r/5), x, y, r); |
631 | cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1.0); |
632 | cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 1, 1.0); |
633 | cairo_set_source (cr, pat); |
634 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
635 | cairo_fill (cr); |
636 | cairo_pattern_destroy (pat); |
637 | // draw ball border |
638 | cairo_set_line_width (cr, 1.0); |
639 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); |
640 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); |
641 | cairo_stroke(cr); |
642 | } |
643 | |
644 | cairo_destroy(cr); |
645 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
646 | x-mr, |
647 | y-mr, |
648 | mr*2, |
649 | mr*2); |
650 | #else |
651 | marker = gdk_gc_new(priv->pixmap); |
652 | color.red = 5000; |
653 | color.green = 5000; |
654 | color.blue = 55000; |
655 | gdk_gc_set_rgb_fg_color(marker, &color); |
656 | gdk_gc_set_line_attributes(marker, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
657 | |
658 | if (r2 > 0) { |
659 | gdk_draw_arc (priv->pixmap, |
660 | marker, |
661 | FALSE, //filled |
662 | x-r2, y-r2, // x,y |
663 | r2*2,r2*2, // width, height |
664 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
665 | } |
666 | if (r > 0) { |
667 | gdk_draw_arc (priv->pixmap, |
668 | marker, |
669 | TRUE, //filled |
670 | x-r, y-r, // x,y |
671 | r*2,r*2, // width, height |
672 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise |
673 | } |
674 | |
675 | g_object_unref(marker); |
676 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
677 | x-(mr+lw), |
678 | y-(mr+lw), |
679 | (mr*2)+lw+lw, |
680 | (mr*2)+lw+lw); |
681 | #endif |
682 | } |
683 | } |
684 | |
685 | static void |
686 | osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y) |
687 | { |
688 | OsmGpsMapPrivate *priv = map->priv; |
689 | |
690 | g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE); |
691 | |
692 | /* draw pixbuf onto pixmap */ |
693 | gdk_draw_pixbuf (priv->pixmap, |
694 | priv->gc_map, |
695 | pixbuf, |
696 | 0,0, |
697 | offset_x,offset_y, |
698 | TILESIZE,TILESIZE, |
699 | GDK_RGB_DITHER_NONE, 0, 0); |
700 | } |
701 | |
702 | /* libsoup-2.2 and libsoup-2.4 use different ways to store the body data */ |
703 | #ifdef LIBSOUP22 |
704 | #define soup_message_headers_append(a,b,c) soup_message_add_header(a,b,c) |
705 | #define MSG_RESPONSE_BODY(a) ((a)->response.body) |
706 | #define MSG_RESPONSE_LEN(a) ((a)->response.length) |
707 | #define MSG_RESPONSE_LEN_FORMAT "%u" |
708 | #else |
709 | #define MSG_RESPONSE_BODY(a) ((a)->response_body->data) |
710 | #define MSG_RESPONSE_LEN(a) ((a)->response_body->length) |
711 | #define MSG_RESPONSE_LEN_FORMAT "%lld" |
712 | #endif |
713 | |
714 | #ifdef LIBSOUP22 |
715 | static void |
716 | osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data) |
717 | #else |
718 | static void |
719 | osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data) |
720 | #endif |
721 | { |
722 | FILE *file; |
723 | tile_download_t *dl = (tile_download_t *)user_data; |
724 | OsmGpsMap *map = OSM_GPS_MAP(dl->map); |
725 | OsmGpsMapPrivate *priv = map->priv; |
726 | gboolean file_saved = FALSE; |
727 | |
728 | if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) |
729 | { |
730 | /* save tile into cachedir if one has been specified */ |
731 | if (priv->cache_dir) |
732 | { |
733 | if (g_mkdir_with_parents(dl->folder,0700) == 0) |
734 | { |
735 | file = g_fopen(dl->filename, "wb"); |
736 | if (file != NULL) |
737 | { |
738 | fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file); |
739 | file_saved = TRUE; |
740 | g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename); |
741 | fclose (file); |
742 | |
743 | } |
744 | } |
745 | else |
746 | { |
747 | g_warning("Error creating tile download directory: %s", |
748 | dl->folder); |
749 | perror("perror:"); |
750 | } |
751 | } |
752 | |
753 | if (dl->redraw) |
754 | { |
755 | GdkPixbuf *pixbuf = NULL; |
756 | |
757 | /* if the file was actually stored on disk, we can simply */ |
758 | /* load and decode it from that file */ |
759 | if (priv->cache_dir) |
760 | { |
761 | if (file_saved) |
762 | { |
763 | pixbuf = gdk_pixbuf_new_from_file (dl->filename, NULL); |
764 | } |
765 | } |
766 | else |
767 | { |
768 | GdkPixbufLoader *loader; |
769 | char *extension = strrchr (dl->filename, '.'); |
770 | |
771 | /* parse file directly from memory */ |
772 | if (extension) |
773 | { |
774 | loader = gdk_pixbuf_loader_new_with_type (extension+1, NULL); |
775 | if (!gdk_pixbuf_loader_write (loader, (unsigned char*)MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg), NULL)) |
776 | { |
777 | g_warning("Error: Decoding of image failed"); |
778 | } |
779 | gdk_pixbuf_loader_close(loader, NULL); |
780 | |
781 | pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); |
782 | |
783 | /* give up loader but keep the pixbuf */ |
784 | g_object_ref(pixbuf); |
785 | g_object_unref(loader); |
786 | } |
787 | else |
788 | { |
789 | g_warning("Error: Unable to determine image file format"); |
790 | } |
791 | } |
792 | |
793 | /* Store the tile into the cache */ |
794 | if (G_LIKELY (pixbuf)) |
795 | { |
796 | OsmCachedTile *tile = g_slice_new (OsmCachedTile); |
797 | tile->pixbuf = pixbuf; |
798 | tile->redraw_cycle = priv->redraw_cycle; |
799 | /* if the tile is already in the cache (it could be one |
800 | * rendered from another zoom level), it will be |
801 | * overwritten */ |
802 | g_hash_table_insert (priv->tile_cache, dl->filename, tile); |
803 | /* NULL-ify dl->filename so that it won't be freed, as |
804 | * we are using it as a key in the hash table */ |
805 | dl->filename = NULL; |
806 | } |
807 | osm_gps_map_map_redraw_idle (map); |
808 | } |
809 | g_hash_table_remove(priv->tile_queue, dl->uri); |
810 | |
811 | g_free(dl->uri); |
812 | g_free(dl->folder); |
813 | g_free(dl->filename); |
814 | g_free(dl); |
815 | } |
816 | else |
817 | { |
818 | g_warning("Error downloading tile: %d - %s", msg->status_code, msg->reason_phrase); |
819 | if (msg->status_code == SOUP_STATUS_NOT_FOUND) |
820 | { |
821 | g_hash_table_insert(priv->missing_tiles, dl->uri, NULL); |
822 | g_hash_table_remove(priv->tile_queue, dl->uri); |
823 | } |
824 | else if (msg->status_code == SOUP_STATUS_CANCELLED) |
825 | { |
826 | ;//application exiting |
827 | } |
828 | else |
829 | { |
830 | #ifdef LIBSOUP22 |
831 | soup_session_requeue_message(dl->session, msg); |
832 | #else |
833 | soup_session_requeue_message(session, msg); |
834 | #endif |
835 | return; |
836 | } |
837 | } |
838 | |
839 | |
840 | } |
841 | |
842 | static void |
843 | osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw) |
844 | { |
845 | SoupMessage *msg; |
846 | OsmGpsMapPrivate *priv = map->priv; |
847 | tile_download_t *dl = g_new0(tile_download_t,1); |
848 | |
849 | //calculate the uri to download |
850 | dl->uri = replace_map_uri(map, priv->repo_uri, zoom, x, y); |
851 | |
852 | #ifdef LIBSOUP22 |
853 | dl->session = priv->soup_session; |
854 | #endif |
855 | |
856 | //check the tile has not already been queued for download, |
857 | //or has been attempted, and its missing |
858 | if (g_hash_table_lookup_extended(priv->tile_queue, dl->uri, NULL, NULL) || |
859 | g_hash_table_lookup_extended(priv->missing_tiles, dl->uri, NULL, NULL) ) |
860 | { |
861 | g_debug("Tile already downloading (or missing)"); |
862 | g_free(dl->uri); |
863 | g_free(dl); |
864 | } else { |
865 | dl->folder = g_strdup_printf("%s%c%d%c%d%c", |
866 | priv->cache_dir, G_DIR_SEPARATOR, |
867 | zoom, G_DIR_SEPARATOR, |
868 | x, G_DIR_SEPARATOR); |
869 | dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
870 | priv->cache_dir, G_DIR_SEPARATOR, |
871 | zoom, G_DIR_SEPARATOR, |
872 | x, G_DIR_SEPARATOR, |
873 | y, |
874 | priv->image_format); |
875 | dl->map = map; |
876 | dl->redraw = redraw; |
877 | |
878 | g_debug("Download tile: %d,%d z:%d\n\t%s --> %s", x, y, zoom, dl->uri, dl->filename); |
879 | |
880 | msg = soup_message_new (SOUP_METHOD_GET, dl->uri); |
881 | if (msg) { |
882 | if (priv->the_google) { |
883 | //Set maps.google.com as the referrer |
884 | g_debug("Setting Google Referrer"); |
885 | soup_message_headers_append(msg->request_headers, "Referer", "http://maps.google.com/"); |
886 | //For google satelite also set the appropriate cookie value |
887 | if (priv->uri_format & URI_HAS_Q) { |
888 | const char *cookie = g_getenv("GOOGLE_COOKIE"); |
889 | if (cookie) { |
890 | g_debug("Adding Google Cookie"); |
891 | soup_message_headers_append(msg->request_headers, "Cookie", cookie); |
892 | } |
893 | } |
894 | } |
895 | |
896 | #ifdef LIBSOUP22 |
897 | soup_message_headers_append(msg->request_headers, |
898 | "User-Agent", USER_AGENT); |
899 | #endif |
900 | |
901 | g_hash_table_insert (priv->tile_queue, dl->uri, msg); |
902 | soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl); |
903 | } else { |
904 | g_warning("Could not create soup message"); |
905 | g_free(dl->uri); |
906 | g_free(dl->folder); |
907 | g_free(dl->filename); |
908 | g_free(dl); |
909 | } |
910 | } |
911 | } |
912 | |
913 | static GdkPixbuf * |
914 | osm_gps_map_load_cached_tile (OsmGpsMap *map, int zoom, int x, int y) |
915 | { |
916 | OsmGpsMapPrivate *priv = map->priv; |
917 | gchar *filename; |
918 | GdkPixbuf *pixbuf = NULL; |
919 | OsmCachedTile *tile; |
920 | |
921 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
922 | priv->cache_dir, G_DIR_SEPARATOR, |
923 | zoom, G_DIR_SEPARATOR, |
924 | x, G_DIR_SEPARATOR, |
925 | y, |
926 | priv->image_format); |
927 | |
928 | tile = g_hash_table_lookup (priv->tile_cache, filename); |
929 | if (tile) |
930 | { |
931 | g_free (filename); |
932 | } |
933 | else |
934 | { |
935 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
936 | if (pixbuf) |
937 | { |
938 | tile = g_slice_new (OsmCachedTile); |
939 | tile->pixbuf = pixbuf; |
940 | g_hash_table_insert (priv->tile_cache, filename, tile); |
941 | } |
942 | } |
943 | |
944 | /* set/update the redraw_cycle timestamp on the tile */ |
945 | if (tile) |
946 | { |
947 | tile->redraw_cycle = priv->redraw_cycle; |
948 | pixbuf = g_object_ref (tile->pixbuf); |
949 | } |
950 | |
951 | return pixbuf; |
952 | } |
953 | |
954 | static GdkPixbuf * |
955 | osm_gps_map_find_bigger_tile (OsmGpsMap *map, int zoom, int x, int y, |
956 | int *zoom_found) |
957 | { |
958 | GdkPixbuf *pixbuf; |
959 | int next_zoom, next_x, next_y; |
960 | |
961 | if (zoom == 0) return NULL; |
962 | next_zoom = zoom - 1; |
963 | next_x = x / 2; |
964 | next_y = y / 2; |
965 | pixbuf = osm_gps_map_load_cached_tile (map, next_zoom, next_x, next_y); |
966 | if (pixbuf) |
967 | *zoom_found = next_zoom; |
968 | else |
969 | pixbuf = osm_gps_map_find_bigger_tile (map, next_zoom, next_x, next_y, |
970 | zoom_found); |
971 | return pixbuf; |
972 | } |
973 | |
974 | static GdkPixbuf * |
975 | osm_gps_map_render_missing_tile_upscaled (OsmGpsMap *map, int zoom, |
976 | int x, int y) |
977 | { |
978 | GdkPixbuf *pixbuf, *big, *area; |
979 | int zoom_big, zoom_diff, area_size, area_x, area_y; |
980 | int modulo; |
981 | |
982 | big = osm_gps_map_find_bigger_tile (map, zoom, x, y, &zoom_big); |
983 | if (!big) return NULL; |
984 | |
985 | g_debug ("Found bigger tile (zoom = %d, wanted = %d)", zoom_big, zoom); |
986 | |
987 | /* get a Pixbuf for the area to magnify */ |
988 | zoom_diff = zoom - zoom_big; |
989 | area_size = TILESIZE >> zoom_diff; |
990 | modulo = 1 << zoom_diff; |
991 | area_x = (x % modulo) * area_size; |
992 | area_y = (y % modulo) * area_size; |
993 | area = gdk_pixbuf_new_subpixbuf (big, area_x, area_y, |
994 | area_size, area_size); |
995 | g_object_unref (big); |
996 | pixbuf = gdk_pixbuf_scale_simple (area, TILESIZE, TILESIZE, |
997 | GDK_INTERP_NEAREST); |
998 | g_object_unref (area); |
999 | return pixbuf; |
1000 | } |
1001 | |
1002 | static GdkPixbuf * |
1003 | osm_gps_map_render_missing_tile (OsmGpsMap *map, int zoom, int x, int y) |
1004 | { |
1005 | /* maybe TODO: render from downscaled tiles, if the following fails */ |
1006 | return osm_gps_map_render_missing_tile_upscaled (map, zoom, x, y); |
1007 | } |
1008 | |
1009 | static void |
1010 | osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y) |
1011 | { |
1012 | OsmGpsMapPrivate *priv = map->priv; |
1013 | gchar *filename; |
1014 | GdkPixbuf *pixbuf; |
1015 | |
1016 | g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom); |
1017 | |
1018 | if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) { |
1019 | osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y); |
1020 | return; |
1021 | } |
1022 | |
1023 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1024 | priv->cache_dir, G_DIR_SEPARATOR, |
1025 | zoom, G_DIR_SEPARATOR, |
1026 | x, G_DIR_SEPARATOR, |
1027 | y, |
1028 | priv->image_format); |
1029 | |
1030 | /* try to get file from internal cache first */ |
1031 | if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y))) |
1032 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1033 | |
1034 | if(pixbuf) |
1035 | { |
1036 | g_debug("Found tile %s", filename); |
1037 | osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y); |
1038 | g_object_unref (pixbuf); |
1039 | } |
1040 | else |
1041 | { |
1042 | if (priv->map_auto_download) |
1043 | osm_gps_map_download_tile(map, zoom, x, y, TRUE); |
1044 | |
1045 | /* try to render the tile by scaling cached tiles from other zoom |
1046 | * levels */ |
1047 | pixbuf = osm_gps_map_render_missing_tile (map, zoom, x, y); |
1048 | if (pixbuf) |
1049 | { |
1050 | gdk_draw_pixbuf (priv->pixmap, |
1051 | priv->gc_map, |
1052 | pixbuf, |
1053 | 0,0, |
1054 | offset_x,offset_y, |
1055 | TILESIZE,TILESIZE, |
1056 | GDK_RGB_DITHER_NONE, 0, 0); |
1057 | g_object_unref (pixbuf); |
1058 | } |
1059 | else |
1060 | { |
1061 | //prevent some artifacts when drawing not yet loaded areas. |
1062 | gdk_draw_rectangle (priv->pixmap, |
1063 | GTK_WIDGET(map)->style->white_gc, |
1064 | TRUE, offset_x, offset_y, TILESIZE, TILESIZE); |
1065 | } |
1066 | } |
1067 | g_free(filename); |
1068 | } |
1069 | |
1070 | static void |
1071 | osm_gps_map_fill_tiles_pixel (OsmGpsMap *map) |
1072 | { |
1073 | OsmGpsMapPrivate *priv = map->priv; |
1074 | int i,j, width, height, tile_x0, tile_y0, tiles_nx, tiles_ny; |
1075 | int offset_xn = 0; |
1076 | int offset_yn = 0; |
1077 | int offset_x; |
1078 | int offset_y; |
1079 | |
1080 | g_debug("Fill tiles: %d,%d z:%d", priv->map_x, priv->map_y, priv->map_zoom); |
1081 | |
1082 | offset_x = - priv->map_x % TILESIZE; |
1083 | offset_y = - priv->map_y % TILESIZE; |
1084 | if (offset_x > 0) offset_x -= TILESIZE; |
1085 | if (offset_y > 0) offset_y -= TILESIZE; |
1086 | |
1087 | offset_xn = offset_x + EXTRA_BORDER; |
1088 | offset_yn = offset_y + EXTRA_BORDER; |
1089 | |
1090 | width = GTK_WIDGET(map)->allocation.width; |
1091 | height = GTK_WIDGET(map)->allocation.height; |
1092 | |
1093 | tiles_nx = (width - offset_x) / TILESIZE + 1; |
1094 | tiles_ny = (height - offset_y) / TILESIZE + 1; |
1095 | |
1096 | tile_x0 = floor((float)priv->map_x / (float)TILESIZE); |
1097 | tile_y0 = floor((float)priv->map_y / (float)TILESIZE); |
1098 | |
1099 | //TODO: implement wrap around |
1100 | for (i=tile_x0; i<(tile_x0+tiles_nx);i++) |
1101 | { |
1102 | for (j=tile_y0; j<(tile_y0+tiles_ny); j++) |
1103 | { |
1104 | if( j<0 || i<0 || i>=exp(priv->map_zoom * M_LN2) || j>=exp(priv->map_zoom * M_LN2)) |
1105 | { |
1106 | gdk_draw_rectangle (priv->pixmap, |
1107 | GTK_WIDGET(map)->style->white_gc, |
1108 | TRUE, |
1109 | offset_xn, offset_yn, |
1110 | TILESIZE,TILESIZE); |
1111 | } |
1112 | else |
1113 | { |
1114 | osm_gps_map_load_tile(map, |
1115 | priv->map_zoom, |
1116 | i,j, |
1117 | offset_xn,offset_yn); |
1118 | } |
1119 | offset_yn += TILESIZE; |
1120 | } |
1121 | offset_xn += TILESIZE; |
1122 | offset_yn = offset_y + EXTRA_BORDER; |
1123 | } |
1124 | } |
1125 | |
1126 | static void |
1127 | osm_gps_map_print_track (OsmGpsMap *map, GSList *trackpoint_list) |
1128 | { |
1129 | OsmGpsMapPrivate *priv = map->priv; |
1130 | |
1131 | GSList *list; |
1132 | int x,y; |
1133 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; |
1134 | int lw = priv->ui_gps_track_width; |
1135 | int map_x0, map_y0; |
1136 | #ifdef USE_CAIRO |
1137 | cairo_t *cr; |
1138 | #else |
1139 | int last_x = 0, last_y = 0; |
1140 | GdkColor color; |
1141 | GdkGC *gc; |
1142 | #endif |
1143 | |
1144 | #ifdef USE_CAIRO |
1145 | cr = gdk_cairo_create(priv->pixmap); |
1146 | cairo_set_line_width (cr, lw); |
1147 | cairo_set_source_rgba (cr, 60000.0/65535.0, 0.0, 0.0, 0.6); |
1148 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1149 | cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); |
1150 | #else |
1151 | gc = gdk_gc_new(priv->pixmap); |
1152 | color.green = 0; |
1153 | color.blue = 0; |
1154 | color.red = 60000; |
1155 | gdk_gc_set_rgb_fg_color(gc, &color); |
1156 | gdk_gc_set_line_attributes(gc, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); |
1157 | #endif |
1158 | |
1159 | map_x0 = priv->map_x - EXTRA_BORDER; |
1160 | map_y0 = priv->map_y - EXTRA_BORDER; |
1161 | for(list = trackpoint_list; list != NULL; list = list->next) |
1162 | { |
1163 | coord_t *tp = list->data; |
1164 | |
1165 | x = lon2pixel(priv->map_zoom, tp->rlon) - map_x0; |
1166 | y = lat2pixel(priv->map_zoom, tp->rlat) - map_y0; |
1167 | |
1168 | // first time through loop |
1169 | if (list == trackpoint_list) { |
1170 | #ifdef USE_CAIRO |
1171 | cairo_move_to(cr, x, y); |
1172 | #else |
1173 | last_x = x; |
1174 | last_y = y; |
1175 | #endif |
1176 | } |
1177 | |
1178 | #ifdef USE_CAIRO |
1179 | cairo_line_to(cr, x, y); |
1180 | #else |
1181 | gdk_draw_line (priv->pixmap, gc, x, y, last_x, last_y); |
1182 | last_x = x; |
1183 | last_y = y; |
1184 | #endif |
1185 | |
1186 | max_x = MAX(x,max_x); |
1187 | min_x = MIN(x,min_x); |
1188 | max_y = MAX(y,max_y); |
1189 | min_y = MIN(y,min_y); |
1190 | } |
1191 | |
1192 | gtk_widget_queue_draw_area ( |
1193 | GTK_WIDGET(map), |
1194 | min_x - lw, |
1195 | min_y - lw, |
1196 | max_x + (lw * 2), |
1197 | max_y + (lw * 2)); |
1198 | |
1199 | #ifdef USE_CAIRO |
1200 | cairo_stroke(cr); |
1201 | cairo_destroy(cr); |
1202 | #else |
1203 | g_object_unref(gc); |
1204 | #endif |
1205 | } |
1206 | |
1207 | /* Prints the gps trip history, and any other tracks */ |
1208 | static void |
1209 | osm_gps_map_print_tracks (OsmGpsMap *map) |
1210 | { |
1211 | OsmGpsMapPrivate *priv = map->priv; |
1212 | |
1213 | if (priv->show_trip_history) |
1214 | osm_gps_map_print_track (map, priv->trip_history); |
1215 | |
1216 | if (priv->tracks) |
1217 | { |
1218 | GSList* tmp = priv->tracks; |
1219 | while (tmp != NULL) |
1220 | { |
1221 | osm_gps_map_print_track (map, tmp->data); |
1222 | tmp = g_slist_next(tmp); |
1223 | } |
1224 | } |
1225 | } |
1226 | |
1227 | static gboolean |
1228 | osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user) |
1229 | { |
1230 | return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle); |
1231 | } |
1232 | |
1233 | static void |
1234 | osm_gps_map_purge_cache (OsmGpsMap *map) |
1235 | { |
1236 | OsmGpsMapPrivate *priv = map->priv; |
1237 | |
1238 | if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size) |
1239 | return; |
1240 | |
1241 | /* run through the cache, and remove the tiles which have not been used |
1242 | * during the last redraw operation */ |
1243 | g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv); |
1244 | } |
1245 | |
1246 | static gboolean |
1247 | osm_gps_map_map_redraw (OsmGpsMap *map) |
1248 | { |
1249 | OsmGpsMapPrivate *priv = map->priv; |
1250 | |
1251 | priv->idle_map_redraw = 0; |
1252 | |
1253 | /* don't redraw the entire map while the OSD is doing */ |
1254 | /* some animation or the like. This is to keep the animation */ |
1255 | /* fluid */ |
1256 | if (priv->osd->busy(priv->osd)) |
1257 | return FALSE; |
1258 | |
1259 | #ifdef DRAG_DEBUG |
1260 | printf("trying redraw\n"); |
1261 | #endif |
1262 | |
1263 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we |
1264 | * change it while we are dragging, we will end up showing it in the wrong |
1265 | * place. This could be fixed by carefully recompute the coordinates, but |
1266 | * for now it's easier just to disable redrawing the map while dragging */ |
1267 | if (priv->dragging) |
1268 | return FALSE; |
1269 | |
1270 | /* undo all offsets that may have happened when dragging */ |
1271 | priv->drag_mouse_dx = 0; |
1272 | priv->drag_mouse_dy = 0; |
1273 | |
1274 | priv->redraw_cycle++; |
1275 | |
1276 | /* draw white background to initialise pixmap */ |
1277 | gdk_draw_rectangle ( |
1278 | priv->pixmap, |
1279 | GTK_WIDGET(map)->style->white_gc, |
1280 | TRUE, |
1281 | 0, 0, |
1282 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, |
1283 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); |
1284 | |
1285 | osm_gps_map_fill_tiles_pixel(map); |
1286 | |
1287 | osm_gps_map_print_tracks(map); |
1288 | osm_gps_map_draw_gps_point(map); |
1289 | osm_gps_map_print_images(map); |
1290 | |
1291 | #ifdef ENABLE_OSD |
1292 | /* OSD may contain a coordinate/scale, so we may have to re-render it */ |
1293 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
1294 | priv->osd->render (priv->osd); |
1295 | #endif |
1296 | |
1297 | osm_gps_map_purge_cache(map); |
1298 | gtk_widget_queue_draw (GTK_WIDGET (map)); |
1299 | |
1300 | return FALSE; |
1301 | } |
1302 | |
1303 | static void |
1304 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) |
1305 | { |
1306 | OsmGpsMapPrivate *priv = map->priv; |
1307 | |
1308 | if (priv->idle_map_redraw == 0) |
1309 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); |
1310 | } |
1311 | |
1312 | #ifdef OSM_GPS_MAP_KEYS |
1313 | static gboolean |
1314 | on_window_key_press(GtkWidget *widget, |
1315 | GdkEventKey *event, OsmGpsMapPrivate *priv) { |
1316 | gboolean handled = FALSE; |
1317 | int step = GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP; |
1318 | |
1319 | // the map handles some keys on its own ... |
1320 | switch(event->keyval) { |
1321 | #ifdef OSM_GPS_MAP_KEY_FULLSCREEN |
1322 | case OSM_GPS_MAP_KEY_FULLSCREEN: { |
1323 | GtkWidget *toplevel = gtk_widget_get_toplevel(GTK_WIDGET(widget)); |
1324 | if(!priv->fullscreen) |
1325 | gtk_window_fullscreen(GTK_WINDOW(toplevel)); |
1326 | else |
1327 | gtk_window_unfullscreen(GTK_WINDOW(toplevel)); |
1328 | |
1329 | priv->fullscreen = !priv->fullscreen; |
1330 | handled = TRUE; |
1331 | } break; |
1332 | #endif |
1333 | |
1334 | #ifdef OSM_GPS_MAP_KEY_ZOOMIN |
1335 | case OSM_GPS_MAP_KEY_ZOOMIN: |
1336 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
1337 | handled = TRUE; |
1338 | break; |
1339 | #endif |
1340 | |
1341 | #ifdef OSM_GPS_MAP_KEY_ZOOMOUT |
1342 | case OSM_GPS_MAP_KEY_ZOOMOUT: |
1343 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
1344 | handled = TRUE; |
1345 | break; |
1346 | #endif |
1347 | |
1348 | #ifdef OSM_GPS_MAP_KEY_UP |
1349 | case OSM_GPS_MAP_KEY_UP: |
1350 | priv->map_y -= step; |
1351 | priv->center_coord_set = FALSE; |
1352 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1353 | handled = TRUE; |
1354 | break; |
1355 | #endif |
1356 | |
1357 | #ifdef OSM_GPS_MAP_KEY_DOWN |
1358 | case OSM_GPS_MAP_KEY_DOWN: |
1359 | priv->map_y += step; |
1360 | priv->center_coord_set = FALSE; |
1361 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1362 | handled = TRUE; |
1363 | break; |
1364 | #endif |
1365 | |
1366 | #ifdef OSM_GPS_MAP_KEY_LEFT |
1367 | case OSM_GPS_MAP_KEY_LEFT: |
1368 | priv->map_x -= step; |
1369 | priv->center_coord_set = FALSE; |
1370 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1371 | handled = TRUE; |
1372 | break; |
1373 | #endif |
1374 | |
1375 | #ifdef OSM_GPS_MAP_KEY_RIGHT |
1376 | case OSM_GPS_MAP_KEY_RIGHT: |
1377 | priv->map_x += step; |
1378 | priv->center_coord_set = FALSE; |
1379 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1380 | handled = TRUE; |
1381 | break; |
1382 | #endif |
1383 | |
1384 | default: |
1385 | break; |
1386 | } |
1387 | |
1388 | return handled; |
1389 | } |
1390 | #endif |
1391 | |
1392 | static void |
1393 | osm_gps_map_init (OsmGpsMap *object) |
1394 | { |
1395 | OsmGpsMapPrivate *priv; |
1396 | |
1397 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); |
1398 | object->priv = priv; |
1399 | |
1400 | priv->pixmap = NULL; |
1401 | |
1402 | priv->trip_history = NULL; |
1403 | priv->gps = g_new0(coord_t, 1); |
1404 | priv->gps_valid = FALSE; |
1405 | priv->gps_heading = OSM_GPS_MAP_INVALID; |
1406 | |
1407 | #ifdef ENABLE_OSD |
1408 | priv->osd = NULL; |
1409 | #endif |
1410 | |
1411 | #ifdef OSM_GPS_MAP_BUTTON_FULLSCREEN |
1412 | priv->fullscreen = FALSE; |
1413 | #endif |
1414 | |
1415 | priv->tracks = NULL; |
1416 | priv->images = NULL; |
1417 | |
1418 | priv->drag_counter = 0; |
1419 | priv->drag_mouse_dx = 0; |
1420 | priv->drag_mouse_dy = 0; |
1421 | priv->drag_start_mouse_x = 0; |
1422 | priv->drag_start_mouse_y = 0; |
1423 | |
1424 | priv->uri_format = 0; |
1425 | priv->the_google = FALSE; |
1426 | |
1427 | priv->map_source = -1; |
1428 | |
1429 | #ifndef LIBSOUP22 |
1430 | //Change naumber of concurrent connections option? |
1431 | priv->soup_session = |
1432 | soup_session_async_new_with_options(SOUP_SESSION_USER_AGENT, |
1433 | USER_AGENT, NULL); |
1434 | #else |
1435 | /* libsoup-2.2 has no special way to set the user agent, so we */ |
1436 | /* set it seperately as an extra header field for each reuest */ |
1437 | priv->soup_session = soup_session_async_new(); |
1438 | #endif |
1439 | |
1440 | //Hash table which maps tile d/l URIs to SoupMessage requests |
1441 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); |
1442 | |
1443 | //Some mapping providers (Google) have varying degrees of tiles at multiple |
1444 | //zoom levels |
1445 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); |
1446 | |
1447 | /* memory cache for most recently used tiles */ |
1448 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, |
1449 | g_free, (GDestroyNotify)cached_tile_free); |
1450 | priv->max_tile_cache_size = 20; |
1451 | |
1452 | gtk_widget_add_events (GTK_WIDGET (object), |
1453 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | |
1454 | GDK_POINTER_MOTION_MASK | |
1455 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); |
1456 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); |
1457 | |
1458 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); |
1459 | |
1460 | #ifdef OSM_GPS_MAP_KEYS |
1461 | g_signal_connect(G_OBJECT(object), "key_press_event", |
1462 | G_CALLBACK(on_window_key_press), priv); |
1463 | #endif |
1464 | } |
1465 | |
1466 | static void |
1467 | osm_gps_map_setup(OsmGpsMapPrivate *priv) { |
1468 | const char *uri; |
1469 | |
1470 | //user can specify a map source ID, or a repo URI as the map source |
1471 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); |
1472 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { |
1473 | g_debug("Using null source"); |
1474 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; |
1475 | |
1476 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); |
1477 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); |
1478 | } |
1479 | else if (priv->map_source >= 0) { |
1480 | //check if the source given is valid |
1481 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); |
1482 | if (uri) { |
1483 | g_debug("Setting map source from ID"); |
1484 | g_free(priv->repo_uri); |
1485 | |
1486 | priv->repo_uri = g_strdup(uri); |
1487 | priv->image_format = g_strdup( |
1488 | osm_gps_map_source_get_image_format(priv->map_source)); |
1489 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); |
1490 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); |
1491 | } |
1492 | } |
1493 | |
1494 | const char *fname = osm_gps_map_source_get_friendly_name(priv->map_source); |
1495 | if(!fname) fname = "_unknown_"; |
1496 | |
1497 | if (priv->tile_dir) { |
1498 | //the new cachedir is the given cache dir + the friendly name of the repo_uri |
1499 | priv->cache_dir = g_strdup_printf("%s%c%s", priv->tile_dir, G_DIR_SEPARATOR, fname); |
1500 | g_debug("Adjusting cache dir %s -> %s", priv->tile_dir, priv->cache_dir); |
1501 | } |
1502 | } |
1503 | |
1504 | static GObject * |
1505 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) |
1506 | { |
1507 | //Always chain up to the parent constructor |
1508 | GObject *object = |
1509 | G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); |
1510 | |
1511 | osm_gps_map_setup(OSM_GPS_MAP_PRIVATE(object)); |
1512 | |
1513 | inspect_map_uri(OSM_GPS_MAP(object)); |
1514 | |
1515 | return object; |
1516 | } |
1517 | |
1518 | static void |
1519 | osm_gps_map_dispose (GObject *object) |
1520 | { |
1521 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1522 | OsmGpsMapPrivate *priv = map->priv; |
1523 | |
1524 | if (priv->is_disposed) |
1525 | return; |
1526 | |
1527 | priv->is_disposed = TRUE; |
1528 | |
1529 | soup_session_abort(priv->soup_session); |
1530 | g_object_unref(priv->soup_session); |
1531 | |
1532 | g_hash_table_destroy(priv->tile_queue); |
1533 | g_hash_table_destroy(priv->missing_tiles); |
1534 | g_hash_table_destroy(priv->tile_cache); |
1535 | |
1536 | osm_gps_map_free_images(map); |
1537 | |
1538 | if(priv->pixmap) |
1539 | g_object_unref (priv->pixmap); |
1540 | |
1541 | if (priv->null_tile) |
1542 | g_object_unref (priv->null_tile); |
1543 | |
1544 | if(priv->gc_map) |
1545 | g_object_unref(priv->gc_map); |
1546 | |
1547 | if (priv->idle_map_redraw != 0) |
1548 | g_source_remove (priv->idle_map_redraw); |
1549 | |
1550 | if (priv->drag_expose != 0) |
1551 | g_source_remove (priv->drag_expose); |
1552 | |
1553 | g_free(priv->gps); |
1554 | |
1555 | #ifdef ENABLE_OSD |
1556 | if(priv->osd) |
1557 | priv->osd->free(priv->osd); |
1558 | |
1559 | #ifdef OSD_DOUBLE_BUFFER |
1560 | if(priv->dbuf_pixmap) |
1561 | g_object_unref (priv->dbuf_pixmap); |
1562 | #endif |
1563 | #endif |
1564 | |
1565 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
1566 | } |
1567 | |
1568 | static void |
1569 | osm_gps_map_finalize (GObject *object) |
1570 | { |
1571 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1572 | OsmGpsMapPrivate *priv = map->priv; |
1573 | |
1574 | if(priv->tile_dir) |
1575 | g_free(priv->tile_dir); |
1576 | |
1577 | if(priv->cache_dir) |
1578 | g_free(priv->cache_dir); |
1579 | |
1580 | g_free(priv->repo_uri); |
1581 | g_free(priv->image_format); |
1582 | |
1583 | osm_gps_map_free_trip(map); |
1584 | osm_gps_map_free_tracks(map); |
1585 | |
1586 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); |
1587 | } |
1588 | |
1589 | static void |
1590 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) |
1591 | { |
1592 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
1593 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1594 | OsmGpsMapPrivate *priv = map->priv; |
1595 | |
1596 | switch (prop_id) |
1597 | { |
1598 | case PROP_AUTO_CENTER: |
1599 | priv->map_auto_center = g_value_get_boolean (value); |
1600 | break; |
1601 | case PROP_RECORD_TRIP_HISTORY: |
1602 | priv->record_trip_history = g_value_get_boolean (value); |
1603 | break; |
1604 | case PROP_SHOW_TRIP_HISTORY: |
1605 | priv->show_trip_history = g_value_get_boolean (value); |
1606 | break; |
1607 | case PROP_AUTO_DOWNLOAD: |
1608 | priv->map_auto_download = g_value_get_boolean (value); |
1609 | break; |
1610 | case PROP_REPO_URI: |
1611 | priv->repo_uri = g_value_dup_string (value); |
1612 | break; |
1613 | case PROP_PROXY_URI: |
1614 | if ( g_value_get_string(value) ) { |
1615 | priv->proxy_uri = g_value_dup_string (value); |
1616 | g_debug("Setting proxy server: %s", priv->proxy_uri); |
1617 | |
1618 | #ifndef LIBSOUP22 |
1619 | GValue val = {0}; |
1620 | |
1621 | SoupURI* uri = soup_uri_new(priv->proxy_uri); |
1622 | g_value_init(&val, SOUP_TYPE_URI); |
1623 | g_value_take_boxed(&val, uri); |
1624 | |
1625 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); |
1626 | #else |
1627 | SoupUri* uri = soup_uri_new(priv->proxy_uri); |
1628 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); |
1629 | #endif |
1630 | } else |
1631 | priv->proxy_uri = NULL; |
1632 | |
1633 | break; |
1634 | case PROP_TILE_CACHE_DIR: |
1635 | if ( g_value_get_string(value) ) |
1636 | priv->tile_dir = g_value_dup_string (value); |
1637 | break; |
1638 | case PROP_ZOOM: |
1639 | priv->map_zoom = g_value_get_int (value); |
1640 | break; |
1641 | case PROP_MAX_ZOOM: |
1642 | priv->max_zoom = g_value_get_int (value); |
1643 | break; |
1644 | case PROP_MIN_ZOOM: |
1645 | priv->min_zoom = g_value_get_int (value); |
1646 | break; |
1647 | case PROP_MAP_X: |
1648 | priv->map_x = g_value_get_int (value); |
1649 | priv->center_coord_set = FALSE; |
1650 | break; |
1651 | case PROP_MAP_Y: |
1652 | priv->map_y = g_value_get_int (value); |
1653 | priv->center_coord_set = FALSE; |
1654 | break; |
1655 | case PROP_GPS_TRACK_WIDTH: |
1656 | priv->ui_gps_track_width = g_value_get_int (value); |
1657 | break; |
1658 | case PROP_GPS_POINT_R1: |
1659 | priv->ui_gps_point_inner_radius = g_value_get_int (value); |
1660 | break; |
1661 | case PROP_GPS_POINT_R2: |
1662 | priv->ui_gps_point_outer_radius = g_value_get_int (value); |
1663 | break; |
1664 | case PROP_MAP_SOURCE: { |
1665 | gint old = priv->map_source; |
1666 | priv->map_source = g_value_get_int (value); |
1667 | if(old >= OSM_GPS_MAP_SOURCE_NULL && |
1668 | priv->map_source != old && |
1669 | priv->map_source >= OSM_GPS_MAP_SOURCE_NULL && |
1670 | priv->map_source <= OSM_GPS_MAP_SOURCE_LAST) { |
1671 | |
1672 | /* we now have to switch the entire map */ |
1673 | |
1674 | /* flush the ram cache */ |
1675 | g_hash_table_remove_all(priv->tile_cache); |
1676 | |
1677 | osm_gps_map_setup(priv); |
1678 | |
1679 | inspect_map_uri(map); |
1680 | |
1681 | /* adjust zoom if necessary */ |
1682 | if(priv->map_zoom > priv->max_zoom) |
1683 | osm_gps_map_set_zoom(map, priv->max_zoom); |
1684 | |
1685 | if(priv->map_zoom < priv->min_zoom) |
1686 | osm_gps_map_set_zoom(map, priv->min_zoom); |
1687 | |
1688 | } } break; |
1689 | case PROP_IMAGE_FORMAT: |
1690 | priv->image_format = g_value_dup_string (value); |
1691 | break; |
1692 | default: |
1693 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1694 | break; |
1695 | } |
1696 | } |
1697 | |
1698 | static void |
1699 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) |
1700 | { |
1701 | g_return_if_fail (OSM_IS_GPS_MAP (object)); |
1702 | float lat,lon; |
1703 | OsmGpsMap *map = OSM_GPS_MAP(object); |
1704 | OsmGpsMapPrivate *priv = map->priv; |
1705 | |
1706 | switch (prop_id) |
1707 | { |
1708 | case PROP_AUTO_CENTER: |
1709 | g_value_set_boolean(value, priv->map_auto_center); |
1710 | break; |
1711 | case PROP_RECORD_TRIP_HISTORY: |
1712 | g_value_set_boolean(value, priv->record_trip_history); |
1713 | break; |
1714 | case PROP_SHOW_TRIP_HISTORY: |
1715 | g_value_set_boolean(value, priv->show_trip_history); |
1716 | break; |
1717 | case PROP_AUTO_DOWNLOAD: |
1718 | g_value_set_boolean(value, priv->map_auto_download); |
1719 | break; |
1720 | case PROP_REPO_URI: |
1721 | g_value_set_string(value, priv->repo_uri); |
1722 | break; |
1723 | case PROP_PROXY_URI: |
1724 | g_value_set_string(value, priv->proxy_uri); |
1725 | break; |
1726 | case PROP_TILE_CACHE_DIR: |
1727 | g_value_set_string(value, priv->cache_dir); |
1728 | break; |
1729 | case PROP_ZOOM: |
1730 | g_value_set_int(value, priv->map_zoom); |
1731 | break; |
1732 | case PROP_MAX_ZOOM: |
1733 | g_value_set_int(value, priv->max_zoom); |
1734 | break; |
1735 | case PROP_MIN_ZOOM: |
1736 | g_value_set_int(value, priv->min_zoom); |
1737 | break; |
1738 | case PROP_LATITUDE: |
1739 | lat = pixel2lat(priv->map_zoom, |
1740 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); |
1741 | g_value_set_float(value, rad2deg(lat)); |
1742 | break; |
1743 | case PROP_LONGITUDE: |
1744 | lon = pixel2lon(priv->map_zoom, |
1745 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); |
1746 | g_value_set_float(value, rad2deg(lon)); |
1747 | break; |
1748 | case PROP_MAP_X: |
1749 | g_value_set_int(value, priv->map_x); |
1750 | break; |
1751 | case PROP_MAP_Y: |
1752 | g_value_set_int(value, priv->map_y); |
1753 | break; |
1754 | case PROP_TILES_QUEUED: |
1755 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); |
1756 | break; |
1757 | case PROP_GPS_TRACK_WIDTH: |
1758 | g_value_set_int(value, priv->ui_gps_track_width); |
1759 | break; |
1760 | case PROP_GPS_POINT_R1: |
1761 | g_value_set_int(value, priv->ui_gps_point_inner_radius); |
1762 | break; |
1763 | case PROP_GPS_POINT_R2: |
1764 | g_value_set_int(value, priv->ui_gps_point_outer_radius); |
1765 | break; |
1766 | case PROP_MAP_SOURCE: |
1767 | g_value_set_int(value, priv->map_source); |
1768 | break; |
1769 | case PROP_IMAGE_FORMAT: |
1770 | g_value_set_string(value, priv->image_format); |
1771 | break; |
1772 | default: |
1773 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
1774 | break; |
1775 | } |
1776 | } |
1777 | |
1778 | static gboolean |
1779 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
1780 | { |
1781 | OsmGpsMap *map = OSM_GPS_MAP(widget); |
1782 | OsmGpsMapPrivate *priv = map->priv; |
1783 | |
1784 | if (event->direction == GDK_SCROLL_UP) |
1785 | { |
1786 | osm_gps_map_set_zoom(map, priv->map_zoom+1); |
1787 | } |
1788 | else |
1789 | { |
1790 | osm_gps_map_set_zoom(map, priv->map_zoom-1); |
1791 | } |
1792 | |
1793 | return FALSE; |
1794 | } |
1795 | |
1796 | static gboolean |
1797 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) |
1798 | { |
1799 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1800 | |
1801 | #ifdef ENABLE_OSD |
1802 | /* pressed inside OSD control? */ |
1803 | if(priv->osd) { |
1804 | osd_button_t but = |
1805 | priv->osd->check(priv->osd, TRUE, event->x, event->y); |
1806 | |
1807 | if(but != OSD_NONE) |
1808 | { |
1809 | int step = |
1810 | GTK_WIDGET(widget)->allocation.width/OSM_GPS_MAP_SCROLL_STEP; |
1811 | priv->drag_counter = -1; |
1812 | |
1813 | switch(but) { |
1814 | case OSD_UP: |
1815 | priv->map_y -= step; |
1816 | priv->center_coord_set = FALSE; |
1817 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1818 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1819 | break; |
1820 | |
1821 | case OSD_DOWN: |
1822 | priv->map_y += step; |
1823 | priv->center_coord_set = FALSE; |
1824 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1825 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1826 | break; |
1827 | |
1828 | case OSD_LEFT: |
1829 | priv->map_x -= step; |
1830 | priv->center_coord_set = FALSE; |
1831 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1832 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1833 | break; |
1834 | |
1835 | case OSD_RIGHT: |
1836 | priv->map_x += step; |
1837 | priv->center_coord_set = FALSE; |
1838 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1839 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1840 | break; |
1841 | |
1842 | case OSD_IN: |
1843 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); |
1844 | break; |
1845 | |
1846 | case OSD_OUT: |
1847 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); |
1848 | break; |
1849 | |
1850 | default: |
1851 | /* all custom buttons are forwarded to the application */ |
1852 | if(priv->osd->cb) |
1853 | priv->osd->cb(but, priv->osd->data); |
1854 | break; |
1855 | } |
1856 | |
1857 | return FALSE; |
1858 | } |
1859 | } |
1860 | #endif |
1861 | |
1862 | priv->drag_counter = 0; |
1863 | priv->drag_start_mouse_x = (int) event->x; |
1864 | priv->drag_start_mouse_y = (int) event->y; |
1865 | priv->drag_start_map_x = priv->map_x; |
1866 | priv->drag_start_map_y = priv->map_y; |
1867 | |
1868 | return FALSE; |
1869 | } |
1870 | |
1871 | static gboolean |
1872 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) |
1873 | { |
1874 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1875 | |
1876 | if (priv->dragging) |
1877 | { |
1878 | priv->dragging = FALSE; |
1879 | |
1880 | priv->map_x = priv->drag_start_map_x; |
1881 | priv->map_y = priv->drag_start_map_y; |
1882 | |
1883 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); |
1884 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); |
1885 | |
1886 | priv->center_coord_set = FALSE; |
1887 | |
1888 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); |
1889 | } |
1890 | #ifdef ENABLE_OSD |
1891 | /* pressed inside OSD control? */ |
1892 | else if(priv->osd) |
1893 | priv->osd->check(priv->osd, FALSE, event->x, event->y); |
1894 | #endif |
1895 | |
1896 | #ifdef DRAG_DEBUG |
1897 | printf("dragging done\n"); |
1898 | #endif |
1899 | |
1900 | priv->drag_counter = -1; |
1901 | |
1902 | return FALSE; |
1903 | } |
1904 | |
1905 | static gboolean |
1906 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event); |
1907 | |
1908 | static gboolean |
1909 | osm_gps_map_map_expose (GtkWidget *widget) |
1910 | { |
1911 | OsmGpsMapPrivate *priv = OSM_GPS_MAP(widget)->priv; |
1912 | |
1913 | priv->drag_expose = 0; |
1914 | osm_gps_map_expose (widget, NULL); |
1915 | return FALSE; |
1916 | } |
1917 | |
1918 | static gboolean |
1919 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) |
1920 | { |
1921 | int x, y; |
1922 | GdkModifierType state; |
1923 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1924 | |
1925 | if (event->is_hint) |
1926 | gdk_window_get_pointer (event->window, &x, &y, &state); |
1927 | else |
1928 | { |
1929 | x = event->x; |
1930 | y = event->y; |
1931 | state = event->state; |
1932 | } |
1933 | |
1934 | // are we being dragged |
1935 | if (!(state & GDK_BUTTON1_MASK)) |
1936 | return FALSE; |
1937 | |
1938 | if (priv->drag_counter < 0) |
1939 | return FALSE; |
1940 | |
1941 | /* not yet dragged far enough? */ |
1942 | if(!priv->drag_counter && |
1943 | ( (x - priv->drag_start_mouse_x) * (x - priv->drag_start_mouse_x) + |
1944 | (y - priv->drag_start_mouse_y) * (y - priv->drag_start_mouse_y) < |
1945 | 10*10)) |
1946 | return FALSE; |
1947 | |
1948 | priv->drag_counter++; |
1949 | |
1950 | priv->dragging = TRUE; |
1951 | |
1952 | if (priv->map_auto_center) |
1953 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); |
1954 | |
1955 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; |
1956 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; |
1957 | |
1958 | /* instead of redrawing directly just add an idle function */ |
1959 | if (!priv->drag_expose) |
1960 | priv->drag_expose = |
1961 | g_idle_add ((GSourceFunc)osm_gps_map_map_expose, widget); |
1962 | |
1963 | return FALSE; |
1964 | } |
1965 | |
1966 | static gboolean |
1967 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) |
1968 | { |
1969 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1970 | |
1971 | /* create pixmap */ |
1972 | if (priv->pixmap) |
1973 | g_object_unref (priv->pixmap); |
1974 | |
1975 | priv->pixmap = gdk_pixmap_new ( |
1976 | widget->window, |
1977 | widget->allocation.width + EXTRA_BORDER * 2, |
1978 | widget->allocation.height + EXTRA_BORDER * 2, |
1979 | -1); |
1980 | |
1981 | #ifdef ENABLE_OSD |
1982 | |
1983 | #ifdef OSD_DOUBLE_BUFFER |
1984 | if (priv->dbuf_pixmap) |
1985 | g_object_unref (priv->dbuf_pixmap); |
1986 | |
1987 | priv->dbuf_pixmap = gdk_pixmap_new ( |
1988 | widget->window, |
1989 | widget->allocation.width, |
1990 | widget->allocation.height, |
1991 | -1); |
1992 | #endif |
1993 | |
1994 | /* the osd needs some references to map internal objects */ |
1995 | if(priv->osd) |
1996 | priv->osd->widget = widget; |
1997 | #endif |
1998 | |
1999 | /* and gc, used for clipping (I think......) */ |
2000 | if(priv->gc_map) |
2001 | g_object_unref(priv->gc_map); |
2002 | |
2003 | priv->gc_map = gdk_gc_new(priv->pixmap); |
2004 | |
2005 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); |
2006 | |
2007 | return FALSE; |
2008 | } |
2009 | |
2010 | static gboolean |
2011 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) |
2012 | { |
2013 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
2014 | |
2015 | #if defined(ENABLE_OSD) && defined(OSD_DOUBLE_BUFFER) |
2016 | GdkDrawable *drawable = priv->dbuf_pixmap; |
2017 | #else |
2018 | GdkDrawable *drawable = widget->window; |
2019 | #endif |
2020 | |
2021 | #ifdef DRAG_DEBUG |
2022 | printf("expose, map %d/%d\n", priv->map_x, priv->map_y); |
2023 | #endif |
2024 | |
2025 | if (!priv->drag_mouse_dx && !priv->drag_mouse_dy && event) |
2026 | { |
2027 | #ifdef DRAG_DEBUG |
2028 | printf(" dragging = %d, event = %p\n", priv->dragging, event); |
2029 | #endif |
2030 | |
2031 | gdk_draw_drawable (drawable, |
2032 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2033 | priv->pixmap, |
2034 | event->area.x + EXTRA_BORDER, event->area.y + EXTRA_BORDER, |
2035 | event->area.x, event->area.y, |
2036 | event->area.width, event->area.height); |
2037 | } |
2038 | else |
2039 | { |
2040 | #ifdef DRAG_DEBUG |
2041 | printf(" drag_mouse %d/%d\n", |
2042 | priv->drag_mouse_dx - EXTRA_BORDER, |
2043 | priv->drag_mouse_dy - EXTRA_BORDER); |
2044 | #endif |
2045 | |
2046 | gdk_draw_drawable (drawable, |
2047 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2048 | priv->pixmap, |
2049 | 0,0, |
2050 | priv->drag_mouse_dx - EXTRA_BORDER, |
2051 | priv->drag_mouse_dy - EXTRA_BORDER, |
2052 | -1,-1); |
2053 | |
2054 | //Paint white outside of the map if dragging. Its less |
2055 | //ugly than painting the corrupted map |
2056 | if(priv->drag_mouse_dx>EXTRA_BORDER) { |
2057 | gdk_draw_rectangle (drawable, |
2058 | widget->style->white_gc, |
2059 | TRUE, |
2060 | 0, 0, |
2061 | priv->drag_mouse_dx - EXTRA_BORDER, |
2062 | widget->allocation.height); |
2063 | } |
2064 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) |
2065 | { |
2066 | gdk_draw_rectangle (drawable, |
2067 | widget->style->white_gc, |
2068 | TRUE, |
2069 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, |
2070 | -priv->drag_mouse_dx - EXTRA_BORDER, |
2071 | widget->allocation.height); |
2072 | } |
2073 | |
2074 | if (priv->drag_mouse_dy>EXTRA_BORDER) { |
2075 | gdk_draw_rectangle (drawable, |
2076 | widget->style->white_gc, |
2077 | TRUE, |
2078 | 0, 0, |
2079 | widget->allocation.width, |
2080 | priv->drag_mouse_dy - EXTRA_BORDER); |
2081 | } |
2082 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) |
2083 | { |
2084 | gdk_draw_rectangle (drawable, |
2085 | widget->style->white_gc, |
2086 | TRUE, |
2087 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, |
2088 | widget->allocation.width, |
2089 | -priv->drag_mouse_dy - EXTRA_BORDER); |
2090 | } |
2091 | } |
2092 | |
2093 | #ifdef ENABLE_OSD |
2094 | /* draw new OSD */ |
2095 | if(priv->osd) |
2096 | priv->osd->draw (priv->osd, drawable); |
2097 | |
2098 | #ifdef OSD_DOUBLE_BUFFER |
2099 | gdk_draw_drawable (widget->window, |
2100 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2101 | priv->dbuf_pixmap, |
2102 | 0,0,0,0,-1,-1); |
2103 | #endif |
2104 | |
2105 | #endif |
2106 | |
2107 | return FALSE; |
2108 | } |
2109 | |
2110 | static void |
2111 | osm_gps_map_class_init (OsmGpsMapClass *klass) |
2112 | { |
2113 | GObjectClass* object_class = G_OBJECT_CLASS (klass); |
2114 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); |
2115 | |
2116 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); |
2117 | |
2118 | object_class->dispose = osm_gps_map_dispose; |
2119 | object_class->finalize = osm_gps_map_finalize; |
2120 | object_class->constructor = osm_gps_map_constructor; |
2121 | object_class->set_property = osm_gps_map_set_property; |
2122 | object_class->get_property = osm_gps_map_get_property; |
2123 | |
2124 | widget_class->expose_event = osm_gps_map_expose; |
2125 | widget_class->configure_event = osm_gps_map_configure; |
2126 | widget_class->button_press_event = osm_gps_map_button_press; |
2127 | widget_class->button_release_event = osm_gps_map_button_release; |
2128 | widget_class->motion_notify_event = osm_gps_map_motion_notify; |
2129 | widget_class->scroll_event = osm_gps_map_scroll_event; |
2130 | |
2131 | g_object_class_install_property (object_class, |
2132 | PROP_AUTO_CENTER, |
2133 | g_param_spec_boolean ("auto-center", |
2134 | "auto center", |
2135 | "map auto center", |
2136 | TRUE, |
2137 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2138 | |
2139 | g_object_class_install_property (object_class, |
2140 | PROP_RECORD_TRIP_HISTORY, |
2141 | g_param_spec_boolean ("record-trip-history", |
2142 | "record trip history", |
2143 | "should all gps points be recorded in a trip history", |
2144 | TRUE, |
2145 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2146 | |
2147 | g_object_class_install_property (object_class, |
2148 | PROP_SHOW_TRIP_HISTORY, |
2149 | g_param_spec_boolean ("show-trip-history", |
2150 | "show trip history", |
2151 | "should the recorded trip history be shown on the map", |
2152 | TRUE, |
2153 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2154 | |
2155 | g_object_class_install_property (object_class, |
2156 | PROP_AUTO_DOWNLOAD, |
2157 | g_param_spec_boolean ("auto-download", |
2158 | "auto download", |
2159 | "map auto download", |
2160 | TRUE, |
2161 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2162 | |
2163 | g_object_class_install_property (object_class, |
2164 | PROP_REPO_URI, |
2165 | g_param_spec_string ("repo-uri", |
2166 | "repo uri", |
2167 | "map source tile repository uri", |
2168 | OSM_REPO_URI, |
2169 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2170 | |
2171 | g_object_class_install_property (object_class, |
2172 | PROP_PROXY_URI, |
2173 | g_param_spec_string ("proxy-uri", |
2174 | "proxy uri", |
2175 | "http proxy uri on NULL", |
2176 | NULL, |
2177 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2178 | |
2179 | g_object_class_install_property (object_class, |
2180 | PROP_TILE_CACHE_DIR, |
2181 | g_param_spec_string ("tile-cache", |
2182 | "tile cache", |
2183 | "osm local tile cache dir", |
2184 | NULL, |
2185 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2186 | |
2187 | g_object_class_install_property (object_class, |
2188 | PROP_ZOOM, |
2189 | g_param_spec_int ("zoom", |
2190 | "zoom", |
2191 | "zoom level", |
2192 | MIN_ZOOM, /* minimum property value */ |
2193 | MAX_ZOOM, /* maximum property value */ |
2194 | 3, |
2195 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2196 | |
2197 | g_object_class_install_property (object_class, |
2198 | PROP_MAX_ZOOM, |
2199 | g_param_spec_int ("max-zoom", |
2200 | "max zoom", |
2201 | "maximum zoom level", |
2202 | MIN_ZOOM, /* minimum property value */ |
2203 | MAX_ZOOM, /* maximum property value */ |
2204 | OSM_MAX_ZOOM, |
2205 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2206 | |
2207 | g_object_class_install_property (object_class, |
2208 | PROP_MIN_ZOOM, |
2209 | g_param_spec_int ("min-zoom", |
2210 | "min zoom", |
2211 | "minimum zoom level", |
2212 | MIN_ZOOM, /* minimum property value */ |
2213 | MAX_ZOOM, /* maximum property value */ |
2214 | OSM_MIN_ZOOM, |
2215 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2216 | |
2217 | g_object_class_install_property (object_class, |
2218 | PROP_LATITUDE, |
2219 | g_param_spec_float ("latitude", |
2220 | "latitude", |
2221 | "latitude in degrees", |
2222 | -90.0, /* minimum property value */ |
2223 | 90.0, /* maximum property value */ |
2224 | 0, |
2225 | G_PARAM_READABLE)); |
2226 | |
2227 | g_object_class_install_property (object_class, |
2228 | PROP_LONGITUDE, |
2229 | g_param_spec_float ("longitude", |
2230 | "longitude", |
2231 | "longitude in degrees", |
2232 | -180.0, /* minimum property value */ |
2233 | 180.0, /* maximum property value */ |
2234 | 0, |
2235 | G_PARAM_READABLE)); |
2236 | |
2237 | g_object_class_install_property (object_class, |
2238 | PROP_MAP_X, |
2239 | g_param_spec_int ("map-x", |
2240 | "map-x", |
2241 | "initial map x location", |
2242 | G_MININT, /* minimum property value */ |
2243 | G_MAXINT, /* maximum property value */ |
2244 | 890, |
2245 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2246 | |
2247 | g_object_class_install_property (object_class, |
2248 | PROP_MAP_Y, |
2249 | g_param_spec_int ("map-y", |
2250 | "map-y", |
2251 | "initial map y location", |
2252 | G_MININT, /* minimum property value */ |
2253 | G_MAXINT, /* maximum property value */ |
2254 | 515, |
2255 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2256 | |
2257 | g_object_class_install_property (object_class, |
2258 | PROP_TILES_QUEUED, |
2259 | g_param_spec_int ("tiles-queued", |
2260 | "tiles-queued", |
2261 | "number of tiles currently waiting to download", |
2262 | G_MININT, /* minimum property value */ |
2263 | G_MAXINT, /* maximum property value */ |
2264 | 0, |
2265 | G_PARAM_READABLE)); |
2266 | |
2267 | g_object_class_install_property (object_class, |
2268 | PROP_GPS_TRACK_WIDTH, |
2269 | g_param_spec_int ("gps-track-width", |
2270 | "gps-track-width", |
2271 | "width of the lines drawn for the gps track", |
2272 | 1, /* minimum property value */ |
2273 | G_MAXINT, /* maximum property value */ |
2274 | 4, |
2275 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2276 | |
2277 | g_object_class_install_property (object_class, |
2278 | PROP_GPS_POINT_R1, |
2279 | g_param_spec_int ("gps-track-point-radius", |
2280 | "gps-track-point-radius", |
2281 | "radius of the gps point inner circle", |
2282 | 0, /* minimum property value */ |
2283 | G_MAXINT, /* maximum property value */ |
2284 | 10, |
2285 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2286 | |
2287 | g_object_class_install_property (object_class, |
2288 | PROP_GPS_POINT_R2, |
2289 | g_param_spec_int ("gps-track-highlight-radius", |
2290 | "gps-track-highlight-radius", |
2291 | "radius of the gps point highlight circle", |
2292 | 0, /* minimum property value */ |
2293 | G_MAXINT, /* maximum property value */ |
2294 | 20, |
2295 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2296 | |
2297 | g_object_class_install_property (object_class, |
2298 | PROP_MAP_SOURCE, |
2299 | g_param_spec_int ("map-source", |
2300 | "map source", |
2301 | "map source ID", |
2302 | -1, /* minimum property value */ |
2303 | G_MAXINT, /* maximum property value */ |
2304 | -1, |
2305 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2306 | |
2307 | g_object_class_install_property (object_class, |
2308 | PROP_IMAGE_FORMAT, |
2309 | g_param_spec_string ("image-format", |
2310 | "image format", |
2311 | "map source tile repository image format (jpg, png)", |
2312 | OSM_IMAGE_FORMAT, |
2313 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2314 | } |
2315 | |
2316 | const char* |
2317 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) |
2318 | { |
2319 | switch(source) |
2320 | { |
2321 | case OSM_GPS_MAP_SOURCE_NULL: |
2322 | return "None"; |
2323 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2324 | return "OpenStreetMap I"; |
2325 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2326 | return "OpenStreetMap II"; |
2327 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2328 | return "OpenCycleMap"; |
2329 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2330 | return "OSMC Trails"; |
2331 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2332 | return "Maps-For-Free"; |
2333 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2334 | return "Google Maps"; |
2335 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2336 | return "Google Satellite"; |
2337 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2338 | return "Google Hybrid"; |
2339 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2340 | return "Virtual Earth"; |
2341 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2342 | return "Virtual Earth Satellite"; |
2343 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2344 | return "Virtual Earth Hybrid"; |
2345 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2346 | return "Yahoo Maps"; |
2347 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2348 | return "Yahoo Satellite"; |
2349 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2350 | return "Yahoo Hybrid"; |
2351 | default: |
2352 | return NULL; |
2353 | } |
2354 | return NULL; |
2355 | } |
2356 | |
2357 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 |
2358 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup |
2359 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java |
2360 | //http://www.mgmaps.com/cache/MapTileCacher.perl |
2361 | const char* |
2362 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) |
2363 | { |
2364 | switch(source) |
2365 | { |
2366 | case OSM_GPS_MAP_SOURCE_NULL: |
2367 | return "none://"; |
2368 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2369 | return OSM_REPO_URI; |
2370 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2371 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; |
2372 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2373 | return "http://c.andy.sandbox.cloudmade.com/tiles/cycle/#Z/#X/#Y.png"; |
2374 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2375 | return "http://topo.geofabrik.de/trails/#Z/#X/#Y.png"; |
2376 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2377 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; |
2378 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2379 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; |
2380 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2381 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; |
2382 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2383 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ |
2384 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2385 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; |
2386 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2387 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; |
2388 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2389 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; |
2390 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2391 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2392 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2393 | /* TODO: Implement signed Y, aka U |
2394 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d |
2395 | * x = tilex, |
2396 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, |
2397 | * z = zoom - (MAX_ZOOM - 17)); |
2398 | */ |
2399 | return NULL; |
2400 | default: |
2401 | return NULL; |
2402 | } |
2403 | return NULL; |
2404 | } |
2405 | |
2406 | const char * |
2407 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) |
2408 | { |
2409 | switch(source) { |
2410 | case OSM_GPS_MAP_SOURCE_NULL: |
2411 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2412 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2413 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2414 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2415 | return "png"; |
2416 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2417 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2418 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2419 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2420 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2421 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2422 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2423 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2424 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2425 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2426 | return "jpg"; |
2427 | default: |
2428 | return "bin"; |
2429 | } |
2430 | return "bin"; |
2431 | } |
2432 | |
2433 | |
2434 | int |
2435 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) |
2436 | { |
2437 | return 1; |
2438 | } |
2439 | |
2440 | int |
2441 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) |
2442 | { |
2443 | switch(source) { |
2444 | case OSM_GPS_MAP_SOURCE_NULL: |
2445 | return 18; |
2446 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: |
2447 | case OSM_GPS_MAP_SOURCE_OPENCYCLEMAP: |
2448 | return OSM_MAX_ZOOM; |
2449 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: |
2450 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: |
2451 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: |
2452 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: |
2453 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: |
2454 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: |
2455 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: |
2456 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: |
2457 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: |
2458 | return 17; |
2459 | case OSM_GPS_MAP_SOURCE_OSMC_TRAILS: |
2460 | return 15; |
2461 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: |
2462 | return 11; |
2463 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: |
2464 | return 18; |
2465 | default: |
2466 | return 17; |
2467 | } |
2468 | return 17; |
2469 | } |
2470 | |
2471 | void |
2472 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) |
2473 | { |
2474 | int i,j,zoom,num_tiles; |
2475 | OsmGpsMapPrivate *priv = map->priv; |
2476 | |
2477 | if (pt1 && pt2) |
2478 | { |
2479 | gchar *filename; |
2480 | num_tiles = 0; |
2481 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); |
2482 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); |
2483 | |
2484 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) |
2485 | { |
2486 | int x1,y1,x2,y2; |
2487 | |
2488 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); |
2489 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); |
2490 | |
2491 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); |
2492 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); |
2493 | |
2494 | // loop x1-x2 |
2495 | for(i=x1; i<=x2; i++) |
2496 | { |
2497 | // loop y1 - y2 |
2498 | for(j=y1; j<=y2; j++) |
2499 | { |
2500 | // x = i, y = j |
2501 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
2502 | priv->cache_dir, G_DIR_SEPARATOR, |
2503 | zoom, G_DIR_SEPARATOR, |
2504 | i, G_DIR_SEPARATOR, |
2505 | j, |
2506 | priv->image_format); |
2507 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) |
2508 | { |
2509 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); |
2510 | num_tiles++; |
2511 | } |
2512 | g_free(filename); |
2513 | } |
2514 | } |
2515 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); |
2516 | } |
2517 | } |
2518 | } |
2519 | |
2520 | void |
2521 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) |
2522 | { |
2523 | OsmGpsMapPrivate *priv = map->priv; |
2524 | |
2525 | if (pt1 && pt2) { |
2526 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); |
2527 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); |
2528 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); |
2529 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); |
2530 | |
2531 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); |
2532 | } |
2533 | } |
2534 | |
2535 | void |
2536 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) |
2537 | { |
2538 | osm_gps_map_set_center (map, latitude, longitude); |
2539 | osm_gps_map_set_zoom (map, zoom); |
2540 | } |
2541 | |
2542 | void |
2543 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) |
2544 | { |
2545 | int pixel_x, pixel_y; |
2546 | OsmGpsMapPrivate *priv; |
2547 | |
2548 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2549 | priv = map->priv; |
2550 | |
2551 | priv->center_rlat = deg2rad(latitude); |
2552 | priv->center_rlon = deg2rad(longitude); |
2553 | priv->center_coord_set = TRUE; |
2554 | |
2555 | // pixel_x,y, offsets |
2556 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); |
2557 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); |
2558 | |
2559 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2560 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2561 | |
2562 | osm_gps_map_map_redraw_idle(map); |
2563 | } |
2564 | |
2565 | int |
2566 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) |
2567 | { |
2568 | int zoom_old; |
2569 | double factor = 0.0; |
2570 | int width_center, height_center; |
2571 | OsmGpsMapPrivate *priv; |
2572 | |
2573 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); |
2574 | priv = map->priv; |
2575 | |
2576 | if (zoom != priv->map_zoom) |
2577 | { |
2578 | width_center = GTK_WIDGET(map)->allocation.width / 2; |
2579 | height_center = GTK_WIDGET(map)->allocation.height / 2; |
2580 | |
2581 | zoom_old = priv->map_zoom; |
2582 | //constrain zoom min_zoom -> max_zoom |
2583 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); |
2584 | |
2585 | if (priv->center_coord_set) |
2586 | { |
2587 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; |
2588 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; |
2589 | } |
2590 | else |
2591 | { |
2592 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); |
2593 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; |
2594 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; |
2595 | } |
2596 | |
2597 | g_debug("Zoom changed from %d to %d factor:%f x:%d", |
2598 | zoom_old, priv->map_zoom, factor, priv->map_x); |
2599 | |
2600 | #ifdef ENABLE_OSD |
2601 | /* OSD may contain a scale, so we may have to re-render it */ |
2602 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
2603 | priv->osd->render (priv->osd); |
2604 | #endif |
2605 | |
2606 | osm_gps_map_map_redraw_idle(map); |
2607 | } |
2608 | return priv->map_zoom; |
2609 | } |
2610 | |
2611 | void |
2612 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) |
2613 | { |
2614 | OsmGpsMapPrivate *priv; |
2615 | |
2616 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2617 | priv = map->priv; |
2618 | |
2619 | if (track) { |
2620 | priv->tracks = g_slist_append(priv->tracks, track); |
2621 | osm_gps_map_map_redraw_idle(map); |
2622 | } |
2623 | } |
2624 | |
2625 | void |
2626 | osm_gps_map_clear_tracks (OsmGpsMap *map) |
2627 | { |
2628 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2629 | |
2630 | osm_gps_map_free_tracks(map); |
2631 | osm_gps_map_map_redraw_idle(map); |
2632 | } |
2633 | |
2634 | void |
2635 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) |
2636 | { |
2637 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2638 | |
2639 | if (image) { |
2640 | OsmGpsMapPrivate *priv = map->priv; |
2641 | image_t *im; |
2642 | |
2643 | //cache w/h for speed, and add image to list |
2644 | im = g_new0(image_t,1); |
2645 | im->w = gdk_pixbuf_get_width(image); |
2646 | im->h = gdk_pixbuf_get_height(image); |
2647 | im->pt.rlat = deg2rad(latitude); |
2648 | im->pt.rlon = deg2rad(longitude); |
2649 | |
2650 | g_object_ref(image); |
2651 | im->image = image; |
2652 | |
2653 | priv->images = g_slist_append(priv->images, im); |
2654 | |
2655 | osm_gps_map_map_redraw_idle(map); |
2656 | } |
2657 | } |
2658 | |
2659 | gboolean |
2660 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) |
2661 | { |
2662 | OsmGpsMapPrivate *priv = map->priv; |
2663 | if (priv->images) { |
2664 | GSList *list; |
2665 | for(list = priv->images; list != NULL; list = list->next) |
2666 | { |
2667 | image_t *im = list->data; |
2668 | if (im->image == image) |
2669 | { |
2670 | priv->images = g_slist_remove_link(priv->images, list); |
2671 | g_object_unref(im->image); |
2672 | g_free(im); |
2673 | osm_gps_map_map_redraw_idle(map); |
2674 | return TRUE; |
2675 | } |
2676 | } |
2677 | } |
2678 | return FALSE; |
2679 | } |
2680 | |
2681 | void |
2682 | osm_gps_map_clear_images (OsmGpsMap *map) |
2683 | { |
2684 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2685 | |
2686 | osm_gps_map_free_images(map); |
2687 | osm_gps_map_map_redraw_idle(map); |
2688 | } |
2689 | |
2690 | void |
2691 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) |
2692 | { |
2693 | int pixel_x, pixel_y; |
2694 | OsmGpsMapPrivate *priv; |
2695 | |
2696 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2697 | priv = map->priv; |
2698 | |
2699 | priv->gps->rlat = deg2rad(latitude); |
2700 | priv->gps->rlon = deg2rad(longitude); |
2701 | priv->gps_valid = TRUE; |
2702 | priv->gps_heading = deg2rad(heading); |
2703 | |
2704 | // pixel_x,y, offsets |
2705 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); |
2706 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); |
2707 | |
2708 | //If trip marker add to list of gps points. |
2709 | if (priv->record_trip_history) { |
2710 | coord_t *tp = g_new0(coord_t,1); |
2711 | tp->rlat = priv->gps->rlat; |
2712 | tp->rlon = priv->gps->rlon; |
2713 | priv->trip_history = g_slist_append(priv->trip_history, tp); |
2714 | } |
2715 | |
2716 | // dont draw anything if we are dragging |
2717 | if (priv->dragging) { |
2718 | g_debug("Dragging"); |
2719 | return; |
2720 | } |
2721 | |
2722 | //Automatically center the map if the track approaches the edge |
2723 | if(priv->map_auto_center) { |
2724 | int x = pixel_x - priv->map_x; |
2725 | int y = pixel_y - priv->map_y; |
2726 | int width = GTK_WIDGET(map)->allocation.width; |
2727 | int height = GTK_WIDGET(map)->allocation.height; |
2728 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || |
2729 | y < (height/2 - height/8) || y > (height/2 + height/8)) { |
2730 | |
2731 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; |
2732 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; |
2733 | priv->center_coord_set = FALSE; |
2734 | } |
2735 | } |
2736 | |
2737 | // this redraws the map (including the gps track, and adjusts the |
2738 | // map center if it was changed |
2739 | osm_gps_map_map_redraw_idle(map); |
2740 | } |
2741 | |
2742 | void |
2743 | osm_gps_map_clear_gps (OsmGpsMap *map) |
2744 | { |
2745 | osm_gps_map_free_trip(map); |
2746 | osm_gps_map_map_redraw_idle(map); |
2747 | } |
2748 | |
2749 | coord_t |
2750 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) |
2751 | { |
2752 | coord_t coord; |
2753 | OsmGpsMapPrivate *priv = map->priv; |
2754 | |
2755 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); |
2756 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); |
2757 | return coord; |
2758 | } |
2759 | |
2760 | GtkWidget * |
2761 | osm_gps_map_new (void) |
2762 | { |
2763 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); |
2764 | } |
2765 | |
2766 | void |
2767 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, |
2768 | gfloat *latitude, gfloat *longitude) |
2769 | { |
2770 | OsmGpsMapPrivate *priv; |
2771 | |
2772 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2773 | priv = map->priv; |
2774 | |
2775 | if (latitude) |
2776 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); |
2777 | if (longitude) |
2778 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); |
2779 | } |
2780 | |
2781 | void |
2782 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, |
2783 | gfloat latitude, gfloat longitude, |
2784 | gint *pixel_x, gint *pixel_y) |
2785 | { |
2786 | OsmGpsMapPrivate *priv; |
2787 | |
2788 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2789 | priv = map->priv; |
2790 | |
2791 | if (pixel_x) |
2792 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - |
2793 | priv->map_x + priv->drag_mouse_dx; |
2794 | if (pixel_y) |
2795 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - |
2796 | priv->map_y + priv->drag_mouse_dy; |
2797 | } |
2798 | |
2799 | void |
2800 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) |
2801 | { |
2802 | OsmGpsMapPrivate *priv; |
2803 | |
2804 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2805 | priv = map->priv; |
2806 | |
2807 | priv->center_coord_set = FALSE; |
2808 | priv->map_x += dx; |
2809 | priv->map_y += dy; |
2810 | |
2811 | #ifdef ENABLE_OSD |
2812 | /* OSD may contain a coordinate, so we may have to re-render it */ |
2813 | if(priv->osd && OSM_IS_GPS_MAP (priv->osd->widget)) |
2814 | priv->osd->render (priv->osd); |
2815 | #endif |
2816 | |
2817 | osm_gps_map_map_redraw_idle (map); |
2818 | } |
2819 | |
2820 | float |
2821 | osm_gps_map_get_scale(OsmGpsMap *map) |
2822 | { |
2823 | OsmGpsMapPrivate *priv; |
2824 | |
2825 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_GPS_MAP_INVALID); |
2826 | priv = map->priv; |
2827 | |
2828 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
2829 | } |
2830 | |
2831 | #ifdef ENABLE_OSD |
2832 | |
2833 | void |
2834 | osm_gps_map_redraw (OsmGpsMap *map) |
2835 | { |
2836 | osm_gps_map_map_redraw_idle(map); |
2837 | } |
2838 | |
2839 | osm_gps_map_osd_t *osm_gps_map_osd_get(OsmGpsMap *map) { |
2840 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), NULL); |
2841 | return map->priv->osd; |
2842 | } |
2843 | |
2844 | void osm_gps_map_register_osd(OsmGpsMap *map, osm_gps_map_osd_t *osd) { |
2845 | OsmGpsMapPrivate *priv; |
2846 | |
2847 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2848 | |
2849 | priv = map->priv; |
2850 | g_return_if_fail (!priv->osd); |
2851 | |
2852 | priv->osd = osd; |
2853 | } |
2854 | |
2855 | void |
2856 | osm_gps_map_repaint (OsmGpsMap *map) { |
2857 | osm_gps_map_expose (GTK_WIDGET(map), NULL); |
2858 | } |
2859 | |
2860 | #endif |