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1 | harbaum | 32 | /* -*- 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 | harbaum | 55 | #include <glib/gstdio.h> |
37 | harbaum | 32 | #include <glib/gprintf.h> |
38 | #include <libsoup/soup.h> | ||
39 | |||
40 | #include "converter.h" | ||
41 | #include "osm-gps-map-types.h" | ||
42 | #include "osm-gps-map.h" | ||
43 | |||
44 | #ifdef USE_CAIRO | ||
45 | #include <cairo.h> | ||
46 | #endif | ||
47 | |||
48 | #define ENABLE_DEBUG 0 | ||
49 | |||
50 | #define EXTRA_BORDER (TILESIZE / 2) | ||
51 | |||
52 | struct _OsmGpsMapPrivate | ||
53 | { | ||
54 | GHashTable *tile_queue; | ||
55 | GHashTable *missing_tiles; | ||
56 | GHashTable *tile_cache; | ||
57 | |||
58 | int map_zoom; | ||
59 | int max_zoom; | ||
60 | int min_zoom; | ||
61 | gboolean map_auto_center; | ||
62 | gboolean map_auto_download; | ||
63 | int map_x; | ||
64 | int map_y; | ||
65 | |||
66 | /* Latitude and longitude of the center of the map, in radians */ | ||
67 | gfloat center_rlat; | ||
68 | gfloat center_rlon; | ||
69 | |||
70 | guint max_tile_cache_size; | ||
71 | /* Incremented at each redraw */ | ||
72 | guint redraw_cycle; | ||
73 | /* ID of the idle redraw operation */ | ||
74 | guint idle_map_redraw; | ||
75 | |||
76 | //how we download tiles | ||
77 | SoupSession *soup_session; | ||
78 | char *proxy_uri; | ||
79 | |||
80 | //where downloaded tiles are cached | ||
81 | char *cache_dir; | ||
82 | gboolean cache_dir_is_full_path; | ||
83 | |||
84 | //contains flags indicating the various special characters | ||
85 | //the uri string contains, that will be replaced when calculating | ||
86 | //the uri to download. | ||
87 | harbaum | 55 | OsmGpsMapSource_t map_source; |
88 | harbaum | 32 | char *repo_uri; |
89 | harbaum | 55 | char *image_format; |
90 | harbaum | 32 | int uri_format; |
91 | //flag indicating if the map source is located on the google | ||
92 | gboolean the_google; | ||
93 | |||
94 | //gps tracking state | ||
95 | gboolean record_trip_history; | ||
96 | gboolean show_trip_history; | ||
97 | GSList *trip_history; | ||
98 | coord_t *gps; | ||
99 | gboolean gps_valid; | ||
100 | |||
101 | harbaum | 65 | #ifdef ENABLE_BALLOON |
102 | harbaum | 57 | //a balloon with additional info |
103 | harbaum | 58 | struct { |
104 | coord_t *coo; | ||
105 | gboolean valid; | ||
106 | OsmGpsMapRect_t rect; | ||
107 | OsmGpsMapBalloonCallback cb; | ||
108 | gpointer data; | ||
109 | } balloon; | ||
110 | harbaum | 65 | #endif |
111 | harbaum | 57 | |
112 | harbaum | 61 | #ifdef ENABLE_OSD |
113 | //the osd controls | ||
114 | struct { | ||
115 | GdkPixmap *backup; | ||
116 | harbaum | 67 | cairo_surface_t *overlay; |
117 | harbaum | 61 | gint backup_x, backup_y; |
118 | harbaum | 66 | OsmGpsMapOsdGpsCallback cb; |
119 | gpointer data; | ||
120 | harbaum | 61 | } osd; |
121 | #endif | ||
122 | |||
123 | harbaum | 32 | //additional images or tracks added to the map |
124 | GSList *tracks; | ||
125 | GSList *images; | ||
126 | |||
127 | //Used for storing the joined tiles | ||
128 | GdkPixmap *pixmap; | ||
129 | GdkGC *gc_map; | ||
130 | |||
131 | //The tile painted when one cannot be found | ||
132 | harbaum | 55 | GdkPixbuf *null_tile; |
133 | harbaum | 32 | |
134 | //For tracking click and drag | ||
135 | int drag_counter; | ||
136 | int drag_mouse_dx; | ||
137 | int drag_mouse_dy; | ||
138 | int drag_start_mouse_x; | ||
139 | int drag_start_mouse_y; | ||
140 | int drag_start_map_x; | ||
141 | int drag_start_map_y; | ||
142 | |||
143 | //for customizing the redering of the gps track | ||
144 | int ui_gps_track_width; | ||
145 | int ui_gps_point_inner_radius; | ||
146 | int ui_gps_point_outer_radius; | ||
147 | |||
148 | guint is_disposed : 1; | ||
149 | guint dragging : 1; | ||
150 | guint center_coord_set : 1; | ||
151 | }; | ||
152 | |||
153 | #define OSM_GPS_MAP_PRIVATE(o) (OSM_GPS_MAP (o)->priv) | ||
154 | |||
155 | typedef struct | ||
156 | { | ||
157 | GdkPixbuf *pixbuf; | ||
158 | /* We keep track of the number of the redraw cycle this tile was last used, | ||
159 | * so that osm_gps_map_purge_cache() can remove the older ones */ | ||
160 | guint redraw_cycle; | ||
161 | } OsmCachedTile; | ||
162 | |||
163 | enum | ||
164 | { | ||
165 | PROP_0, | ||
166 | |||
167 | PROP_AUTO_CENTER, | ||
168 | PROP_RECORD_TRIP_HISTORY, | ||
169 | PROP_SHOW_TRIP_HISTORY, | ||
170 | PROP_AUTO_DOWNLOAD, | ||
171 | PROP_REPO_URI, | ||
172 | PROP_PROXY_URI, | ||
173 | PROP_TILE_CACHE_DIR, | ||
174 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, | ||
175 | PROP_ZOOM, | ||
176 | PROP_MAX_ZOOM, | ||
177 | PROP_MIN_ZOOM, | ||
178 | PROP_LATITUDE, | ||
179 | PROP_LONGITUDE, | ||
180 | PROP_MAP_X, | ||
181 | PROP_MAP_Y, | ||
182 | PROP_TILES_QUEUED, | ||
183 | PROP_GPS_TRACK_WIDTH, | ||
184 | PROP_GPS_POINT_R1, | ||
185 | harbaum | 55 | PROP_GPS_POINT_R2, |
186 | PROP_MAP_SOURCE, | ||
187 | PROP_IMAGE_FORMAT | ||
188 | harbaum | 32 | }; |
189 | |||
190 | G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA); | ||
191 | |||
192 | /* | ||
193 | * Drawing function forward defintions | ||
194 | */ | ||
195 | static gchar *replace_string(const gchar *src, const gchar *from, const gchar *to); | ||
196 | static void inspect_map_uri(OsmGpsMap *map); | ||
197 | static gchar *replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y); | ||
198 | static void osm_gps_map_print_images (OsmGpsMap *map); | ||
199 | static void osm_gps_map_draw_gps_point (OsmGpsMap *map); | ||
200 | static void osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y); | ||
201 | harbaum | 55 | #ifdef LIBSOUP22 |
202 | static void osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data); | ||
203 | #else | ||
204 | static void osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data); | ||
205 | #endif | ||
206 | harbaum | 32 | static void osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw); |
207 | static void osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y); | ||
208 | static void osm_gps_map_fill_tiles_pixel (OsmGpsMap *map); | ||
209 | static gboolean osm_gps_map_map_redraw (OsmGpsMap *map); | ||
210 | static void osm_gps_map_map_redraw_idle (OsmGpsMap *map); | ||
211 | |||
212 | static void | ||
213 | cached_tile_free (OsmCachedTile *tile) | ||
214 | { | ||
215 | g_object_unref (tile->pixbuf); | ||
216 | g_slice_free (OsmCachedTile, tile); | ||
217 | } | ||
218 | |||
219 | /* | ||
220 | * Description: | ||
221 | * Find and replace text within a string. | ||
222 | * | ||
223 | * Parameters: | ||
224 | * src (in) - pointer to source string | ||
225 | * from (in) - pointer to search text | ||
226 | * to (in) - pointer to replacement text | ||
227 | * | ||
228 | * Returns: | ||
229 | * Returns a pointer to dynamically-allocated memory containing string | ||
230 | * with occurences of the text pointed to by 'from' replaced by with the | ||
231 | * text pointed to by 'to'. | ||
232 | */ | ||
233 | static gchar * | ||
234 | replace_string(const gchar *src, const gchar *from, const gchar *to) | ||
235 | { | ||
236 | size_t size = strlen(src) + 1; | ||
237 | size_t fromlen = strlen(from); | ||
238 | size_t tolen = strlen(to); | ||
239 | |||
240 | /* Allocate the first chunk with enough for the original string. */ | ||
241 | gchar *value = g_malloc(size); | ||
242 | |||
243 | |||
244 | /* We need to return 'value', so let's make a copy to mess around with. */ | ||
245 | gchar *dst = value; | ||
246 | |||
247 | if ( value != NULL ) | ||
248 | { | ||
249 | for ( ;; ) | ||
250 | { | ||
251 | /* Try to find the search text. */ | ||
252 | const gchar *match = g_strstr_len(src, size, from); | ||
253 | if ( match != NULL ) | ||
254 | { | ||
255 | gchar *temp; | ||
256 | /* Find out how many characters to copy up to the 'match'. */ | ||
257 | size_t count = match - src; | ||
258 | |||
259 | |||
260 | /* Calculate the total size the string will be after the | ||
261 | * replacement is performed. */ | ||
262 | size += tolen - fromlen; | ||
263 | |||
264 | temp = g_realloc(value, size); | ||
265 | if ( temp == NULL ) | ||
266 | { | ||
267 | g_free(value); | ||
268 | return NULL; | ||
269 | } | ||
270 | |||
271 | /* we'll want to return 'value' eventually, so let's point it | ||
272 | * to the memory that we are now working with. | ||
273 | * And let's not forget to point to the right location in | ||
274 | * the destination as well. */ | ||
275 | dst = temp + (dst - value); | ||
276 | value = temp; | ||
277 | |||
278 | /* | ||
279 | * Copy from the source to the point where we matched. Then | ||
280 | * move the source pointer ahead by the amount we copied. And | ||
281 | * move the destination pointer ahead by the same amount. | ||
282 | */ | ||
283 | g_memmove(dst, src, count); | ||
284 | src += count; | ||
285 | dst += count; | ||
286 | |||
287 | /* Now copy in the replacement text 'to' at the position of | ||
288 | * the match. Adjust the source pointer by the text we replaced. | ||
289 | * Adjust the destination pointer by the amount of replacement | ||
290 | * text. */ | ||
291 | g_memmove(dst, to, tolen); | ||
292 | src += fromlen; | ||
293 | dst += tolen; | ||
294 | } | ||
295 | else | ||
296 | { | ||
297 | /* | ||
298 | * Copy any remaining part of the string. This includes the null | ||
299 | * termination character. | ||
300 | */ | ||
301 | strcpy(dst, src); | ||
302 | break; | ||
303 | } | ||
304 | } | ||
305 | } | ||
306 | return value; | ||
307 | } | ||
308 | |||
309 | static void | ||
310 | map_convert_coords_to_quadtree_string(OsmGpsMap *map, gint x, gint y, gint zoomlevel, | ||
311 | gchar *buffer, const gchar initial, | ||
312 | const gchar *const quadrant) | ||
313 | { | ||
314 | gchar *ptr = buffer; | ||
315 | gint n; | ||
316 | |||
317 | if (initial) | ||
318 | *ptr++ = initial; | ||
319 | |||
320 | for(n = zoomlevel-1; n >= 0; n--) | ||
321 | { | ||
322 | gint xbit = (x >> n) & 1; | ||
323 | gint ybit = (y >> n) & 1; | ||
324 | *ptr++ = quadrant[xbit + 2 * ybit]; | ||
325 | } | ||
326 | |||
327 | *ptr++ = '\0'; | ||
328 | } | ||
329 | |||
330 | |||
331 | static void | ||
332 | inspect_map_uri(OsmGpsMap *map) | ||
333 | { | ||
334 | OsmGpsMapPrivate *priv = map->priv; | ||
335 | |||
336 | if (g_strrstr(priv->repo_uri, URI_MARKER_X)) | ||
337 | priv->uri_format |= URI_HAS_X; | ||
338 | |||
339 | if (g_strrstr(priv->repo_uri, URI_MARKER_Y)) | ||
340 | priv->uri_format |= URI_HAS_Y; | ||
341 | |||
342 | if (g_strrstr(priv->repo_uri, URI_MARKER_Z)) | ||
343 | priv->uri_format |= URI_HAS_Z; | ||
344 | |||
345 | if (g_strrstr(priv->repo_uri, URI_MARKER_S)) | ||
346 | priv->uri_format |= URI_HAS_S; | ||
347 | |||
348 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q)) | ||
349 | priv->uri_format |= URI_HAS_Q; | ||
350 | |||
351 | if (g_strrstr(priv->repo_uri, URI_MARKER_Q0)) | ||
352 | priv->uri_format |= URI_HAS_Q0; | ||
353 | |||
354 | if (g_strrstr(priv->repo_uri, URI_MARKER_YS)) | ||
355 | priv->uri_format |= URI_HAS_YS; | ||
356 | |||
357 | if (g_strrstr(priv->repo_uri, URI_MARKER_R)) | ||
358 | priv->uri_format |= URI_HAS_R; | ||
359 | |||
360 | if (g_strrstr(priv->repo_uri, "google.com")) | ||
361 | priv->the_google = TRUE; | ||
362 | |||
363 | g_debug("URI Format: 0x%X (google: %X)", priv->uri_format, priv->the_google); | ||
364 | |||
365 | } | ||
366 | |||
367 | static gchar * | ||
368 | replace_map_uri(OsmGpsMap *map, const gchar *uri, int zoom, int x, int y) | ||
369 | { | ||
370 | OsmGpsMapPrivate *priv = map->priv; | ||
371 | char *url; | ||
372 | unsigned int i; | ||
373 | char location[22]; | ||
374 | |||
375 | i = 1; | ||
376 | url = g_strdup(uri); | ||
377 | while (i < URI_FLAG_END) | ||
378 | { | ||
379 | char *s = NULL; | ||
380 | char *old; | ||
381 | |||
382 | old = url; | ||
383 | switch(i & priv->uri_format) | ||
384 | { | ||
385 | case URI_HAS_X: | ||
386 | s = g_strdup_printf("%d", x); | ||
387 | url = replace_string(url, URI_MARKER_X, s); | ||
388 | //g_debug("FOUND " URI_MARKER_X); | ||
389 | break; | ||
390 | case URI_HAS_Y: | ||
391 | s = g_strdup_printf("%d", y); | ||
392 | url = replace_string(url, URI_MARKER_Y, s); | ||
393 | //g_debug("FOUND " URI_MARKER_Y); | ||
394 | break; | ||
395 | case URI_HAS_Z: | ||
396 | s = g_strdup_printf("%d", zoom); | ||
397 | url = replace_string(url, URI_MARKER_Z, s); | ||
398 | //g_debug("FOUND " URI_MARKER_Z); | ||
399 | break; | ||
400 | case URI_HAS_S: | ||
401 | s = g_strdup_printf("%d", priv->max_zoom-zoom); | ||
402 | url = replace_string(url, URI_MARKER_S, s); | ||
403 | //g_debug("FOUND " URI_MARKER_S); | ||
404 | break; | ||
405 | case URI_HAS_Q: | ||
406 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'t',"qrts"); | ||
407 | s = g_strdup_printf("%s", location); | ||
408 | url = replace_string(url, URI_MARKER_Q, s); | ||
409 | //g_debug("FOUND " URI_MARKER_Q); | ||
410 | break; | ||
411 | case URI_HAS_Q0: | ||
412 | map_convert_coords_to_quadtree_string(map,x,y,zoom,location,'\0', "0123"); | ||
413 | s = g_strdup_printf("%s", location); | ||
414 | url = replace_string(url, URI_MARKER_Q0, s); | ||
415 | //g_debug("FOUND " URI_MARKER_Q0); | ||
416 | break; | ||
417 | case URI_HAS_YS: | ||
418 | // s = g_strdup_printf("%d", y); | ||
419 | // url = replace_string(url, URI_MARKER_YS, s); | ||
420 | g_warning("FOUND " URI_MARKER_YS " NOT IMPLEMENTED"); | ||
421 | // retval = g_strdup_printf(repo->url, | ||
422 | // tilex, | ||
423 | // (1 << (MAX_ZOOM - zoom)) - tiley - 1, | ||
424 | // zoom - (MAX_ZOOM - 17)); | ||
425 | break; | ||
426 | case URI_HAS_R: | ||
427 | s = g_strdup_printf("%d", g_random_int_range(0,4)); | ||
428 | url = replace_string(url, URI_MARKER_R, s); | ||
429 | //g_debug("FOUND " URI_MARKER_R); | ||
430 | break; | ||
431 | default: | ||
432 | s = NULL; | ||
433 | break; | ||
434 | } | ||
435 | |||
436 | if (s) { | ||
437 | g_free(s); | ||
438 | g_free(old); | ||
439 | } | ||
440 | |||
441 | i = (i << 1); | ||
442 | |||
443 | } | ||
444 | |||
445 | return url; | ||
446 | } | ||
447 | |||
448 | static void | ||
449 | my_log_handler (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) | ||
450 | { | ||
451 | if (!(log_level & G_LOG_LEVEL_DEBUG) || ENABLE_DEBUG) | ||
452 | g_log_default_handler (log_domain, log_level, message, user_data); | ||
453 | } | ||
454 | |||
455 | harbaum | 55 | static float |
456 | osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon) | ||
457 | { | ||
458 | /* world at zoom 1 == 512 pixels */ | ||
459 | return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom)); | ||
460 | } | ||
461 | |||
462 | harbaum | 32 | /* clears the trip list and all resources */ |
463 | static void | ||
464 | osm_gps_map_free_trip (OsmGpsMap *map) | ||
465 | { | ||
466 | OsmGpsMapPrivate *priv = map->priv; | ||
467 | if (priv->trip_history) { | ||
468 | g_slist_foreach(priv->trip_history, (GFunc) g_free, NULL); | ||
469 | g_slist_free(priv->trip_history); | ||
470 | priv->trip_history = NULL; | ||
471 | } | ||
472 | } | ||
473 | |||
474 | /* clears the tracks and all resources */ | ||
475 | static void | ||
476 | osm_gps_map_free_tracks (OsmGpsMap *map) | ||
477 | { | ||
478 | OsmGpsMapPrivate *priv = map->priv; | ||
479 | if (priv->tracks) | ||
480 | { | ||
481 | GSList* tmp = priv->tracks; | ||
482 | while (tmp != NULL) | ||
483 | { | ||
484 | g_slist_foreach(tmp->data, (GFunc) g_free, NULL); | ||
485 | g_slist_free(tmp->data); | ||
486 | tmp = g_slist_next(tmp); | ||
487 | } | ||
488 | g_slist_free(priv->tracks); | ||
489 | priv->tracks = NULL; | ||
490 | } | ||
491 | } | ||
492 | |||
493 | /* free the poi image lists */ | ||
494 | static void | ||
495 | osm_gps_map_free_images (OsmGpsMap *map) | ||
496 | { | ||
497 | OsmGpsMapPrivate *priv = map->priv; | ||
498 | if (priv->images) { | ||
499 | GSList *list; | ||
500 | for(list = priv->images; list != NULL; list = list->next) | ||
501 | { | ||
502 | image_t *im = list->data; | ||
503 | g_object_unref(im->image); | ||
504 | g_free(im); | ||
505 | } | ||
506 | g_slist_free(priv->images); | ||
507 | priv->images = NULL; | ||
508 | } | ||
509 | } | ||
510 | |||
511 | static void | ||
512 | osm_gps_map_print_images (OsmGpsMap *map) | ||
513 | { | ||
514 | GSList *list; | ||
515 | int x,y,pixel_x,pixel_y; | ||
516 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; | ||
517 | int map_x0, map_y0; | ||
518 | OsmGpsMapPrivate *priv = map->priv; | ||
519 | |||
520 | map_x0 = priv->map_x - EXTRA_BORDER; | ||
521 | map_y0 = priv->map_y - EXTRA_BORDER; | ||
522 | for(list = priv->images; list != NULL; list = list->next) | ||
523 | { | ||
524 | image_t *im = list->data; | ||
525 | |||
526 | // pixel_x,y, offsets | ||
527 | pixel_x = lon2pixel(priv->map_zoom, im->pt.rlon); | ||
528 | pixel_y = lat2pixel(priv->map_zoom, im->pt.rlat); | ||
529 | |||
530 | g_debug("Image %dx%d @: %f,%f (%d,%d)", | ||
531 | im->w, im->h, | ||
532 | im->pt.rlat, im->pt.rlon, | ||
533 | pixel_x, pixel_y); | ||
534 | |||
535 | x = pixel_x - map_x0; | ||
536 | y = pixel_y - map_y0; | ||
537 | |||
538 | gdk_draw_pixbuf ( | ||
539 | priv->pixmap, | ||
540 | priv->gc_map, | ||
541 | im->image, | ||
542 | 0,0, | ||
543 | x-(im->w/2),y-(im->h/2), | ||
544 | im->w,im->h, | ||
545 | GDK_RGB_DITHER_NONE, 0, 0); | ||
546 | |||
547 | max_x = MAX(x+im->w,max_x); | ||
548 | min_x = MIN(x-im->w,min_x); | ||
549 | max_y = MAX(y+im->h,max_y); | ||
550 | min_y = MIN(y-im->h,min_y); | ||
551 | } | ||
552 | |||
553 | gtk_widget_queue_draw_area ( | ||
554 | GTK_WIDGET(map), | ||
555 | min_x + EXTRA_BORDER, min_y + EXTRA_BORDER, | ||
556 | max_x + EXTRA_BORDER, max_y + EXTRA_BORDER); | ||
557 | |||
558 | } | ||
559 | |||
560 | static void | ||
561 | osm_gps_map_draw_gps_point (OsmGpsMap *map) | ||
562 | { | ||
563 | OsmGpsMapPrivate *priv = map->priv; | ||
564 | |||
565 | //incase we get called before we have got a gps point | ||
566 | if (priv->gps_valid) { | ||
567 | int map_x0, map_y0; | ||
568 | int x, y; | ||
569 | int r = priv->ui_gps_point_inner_radius; | ||
570 | int r2 = priv->ui_gps_point_outer_radius; | ||
571 | harbaum | 55 | // int lw = priv->ui_gps_track_width; |
572 | harbaum | 32 | int mr = MAX(r,r2); |
573 | |||
574 | map_x0 = priv->map_x - EXTRA_BORDER; | ||
575 | map_y0 = priv->map_y - EXTRA_BORDER; | ||
576 | x = lon2pixel(priv->map_zoom, priv->gps->rlon) - map_x0; | ||
577 | y = lat2pixel(priv->map_zoom, priv->gps->rlat) - map_y0; | ||
578 | #ifdef USE_CAIRO | ||
579 | cairo_t *cr; | ||
580 | cairo_pattern_t *pat; | ||
581 | #else | ||
582 | GdkColor color; | ||
583 | GdkGC *marker; | ||
584 | #endif | ||
585 | |||
586 | #ifdef USE_CAIRO | ||
587 | cr = gdk_cairo_create(priv->pixmap); | ||
588 | |||
589 | // draw transparent area | ||
590 | if (r2 > 0) { | ||
591 | cairo_set_line_width (cr, 1.5); | ||
592 | cairo_set_source_rgba (cr, 0.75, 0.75, 0.75, 0.4); | ||
593 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); | ||
594 | cairo_fill (cr); | ||
595 | // draw transparent area border | ||
596 | cairo_set_source_rgba (cr, 0.55, 0.55, 0.55, 0.4); | ||
597 | cairo_arc (cr, x, y, r2, 0, 2 * M_PI); | ||
598 | cairo_stroke(cr); | ||
599 | } | ||
600 | |||
601 | // draw ball gradient | ||
602 | if (r > 0) { | ||
603 | pat = cairo_pattern_create_radial (x-(r/5), y-(r/5), (r/5), x, y, r); | ||
604 | cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, 1.0); | ||
605 | cairo_pattern_add_color_stop_rgba (pat, 1, 0, 0, 1, 1.0); | ||
606 | cairo_set_source (cr, pat); | ||
607 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); | ||
608 | cairo_fill (cr); | ||
609 | cairo_pattern_destroy (pat); | ||
610 | // draw ball border | ||
611 | cairo_set_line_width (cr, 1.0); | ||
612 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0); | ||
613 | cairo_arc (cr, x, y, r, 0, 2 * M_PI); | ||
614 | cairo_stroke(cr); | ||
615 | } | ||
616 | |||
617 | cairo_destroy(cr); | ||
618 | gtk_widget_queue_draw_area (GTK_WIDGET(map), | ||
619 | x-mr, | ||
620 | y-mr, | ||
621 | mr*2, | ||
622 | mr*2); | ||
623 | #else | ||
624 | marker = gdk_gc_new(priv->pixmap); | ||
625 | color.red = 5000; | ||
626 | color.green = 5000; | ||
627 | color.blue = 55000; | ||
628 | gdk_gc_set_rgb_fg_color(marker, &color); | ||
629 | gdk_gc_set_line_attributes(marker, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); | ||
630 | |||
631 | if (r2 > 0) { | ||
632 | gdk_draw_arc (priv->pixmap, | ||
633 | marker, | ||
634 | FALSE, //filled | ||
635 | x-r2, y-r2, // x,y | ||
636 | r2*2,r2*2, // width, height | ||
637 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise | ||
638 | } | ||
639 | if (r > 0) { | ||
640 | gdk_draw_arc (priv->pixmap, | ||
641 | marker, | ||
642 | TRUE, //filled | ||
643 | x-r, y-r, // x,y | ||
644 | r*2,r*2, // width, height | ||
645 | 0, 360*64); // start-end angle 64th, from 3h, anti clockwise | ||
646 | } | ||
647 | |||
648 | g_object_unref(marker); | ||
649 | gtk_widget_queue_draw_area (GTK_WIDGET(map), | ||
650 | x-(mr+lw), | ||
651 | y-(mr+lw), | ||
652 | (mr*2)+lw+lw, | ||
653 | (mr*2)+lw+lw); | ||
654 | #endif | ||
655 | } | ||
656 | harbaum | 57 | } |
657 | |||
658 | harbaum | 65 | #ifdef ENABLE_BALLOON |
659 | harbaum | 57 | /* most visual effects are hardcoded by now, but may be made */ |
660 | /* available via properties later */ | ||
661 | harbaum | 65 | #ifndef BALLOON_AREA_WIDTH |
662 | harbaum | 60 | #define BALLOON_AREA_WIDTH 290 |
663 | harbaum | 65 | #endif |
664 | #ifndef BALLOON_AREA_HEIGHT | ||
665 | harbaum | 58 | #define BALLOON_AREA_HEIGHT 75 |
666 | harbaum | 65 | #endif |
667 | #ifndef BALLOON_CORNER_RADIUS | ||
668 | harbaum | 66 | #define BALLOON_CORNER_RADIUS 10 |
669 | harbaum | 65 | #endif |
670 | harbaum | 58 | |
671 | harbaum | 66 | #define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) |
672 | harbaum | 58 | #define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) |
673 | #define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) | ||
674 | harbaum | 57 | #define BALLOON_TRANSPARENCY 0.8 |
675 | #define POINTER_HEIGHT 20 | ||
676 | #define POINTER_FOOT_WIDTH 20 | ||
677 | #define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) | ||
678 | harbaum | 66 | #define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) |
679 | harbaum | 57 | #define BALLOON_SHADOW_TRANSPARENCY 0.2 |
680 | |||
681 | harbaum | 66 | #define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
682 | harbaum | 58 | |
683 | |||
684 | harbaum | 57 | /* draw the bubble shape. this is used twice, once for the shape and once */ |
685 | /* for the shadow */ | ||
686 | static void | ||
687 | osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, | ||
688 | gboolean bottom, int px, int py, int px0, int px1) { | ||
689 | |||
690 | cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); | ||
691 | harbaum | 66 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
692 | BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); | ||
693 | harbaum | 57 | if(!bottom) { |
694 | harbaum | 58 | /* insert top pointer */ |
695 | harbaum | 57 | cairo_line_to (cr, px1, y0); |
696 | cairo_line_to (cr, px, py); | ||
697 | cairo_line_to (cr, px0, y0); | ||
698 | } | ||
699 | |||
700 | cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); | ||
701 | harbaum | 66 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, |
702 | BALLOON_CORNER_RADIUS, -M_PI/2, 0); | ||
703 | harbaum | 57 | cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); |
704 | harbaum | 66 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
705 | BALLOON_CORNER_RADIUS, 0, M_PI/2); | ||
706 | harbaum | 57 | if(bottom) { |
707 | harbaum | 58 | /* insert bottom pointer */ |
708 | harbaum | 57 | cairo_line_to (cr, px0, y1); |
709 | cairo_line_to (cr, px, py); | ||
710 | cairo_line_to (cr, px1, y1); | ||
711 | } | ||
712 | |||
713 | cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); | ||
714 | harbaum | 66 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, |
715 | BALLOON_CORNER_RADIUS, M_PI/2, M_PI); | ||
716 | harbaum | 57 | |
717 | cairo_close_path (cr); | ||
718 | harbaum | 32 | } |
719 | |||
720 | static void | ||
721 | harbaum | 57 | osm_gps_map_draw_balloon_int (OsmGpsMap *map) |
722 | harbaum | 56 | { |
723 | OsmGpsMapPrivate *priv = map->priv; | ||
724 | |||
725 | harbaum | 58 | if (priv->balloon.valid) { |
726 | harbaum | 57 | |
727 | /* ------- convert given coordinate into screen position --------- */ | ||
728 | harbaum | 58 | int x0 = lon2pixel(priv->map_zoom, priv->balloon.coo->rlon) - |
729 | harbaum | 57 | priv->map_x + EXTRA_BORDER; |
730 | harbaum | 58 | int y0 = lat2pixel(priv->map_zoom, priv->balloon.coo->rlat) - |
731 | harbaum | 57 | priv->map_y + EXTRA_BORDER; |
732 | |||
733 | /* check position of this relative to screen center to determine */ | ||
734 | /* pointer direction ... */ | ||
735 | int pointer_x = x0, pointer_x0, pointer_x1; | ||
736 | int pointer_y = y0; | ||
737 | |||
738 | /* ... and calculate position */ | ||
739 | if((x0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.width/2) { | ||
740 | x0 -= BALLOON_WIDTH - POINTER_OFFSET; | ||
741 | pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); | ||
742 | pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; | ||
743 | } else { | ||
744 | x0 -= POINTER_OFFSET; | ||
745 | pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); | ||
746 | pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; | ||
747 | } | ||
748 | |||
749 | gboolean bottom = FALSE; | ||
750 | if((y0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.height/2) { | ||
751 | bottom = TRUE; | ||
752 | y0 -= BALLOON_HEIGHT + POINTER_HEIGHT; | ||
753 | } else | ||
754 | y0 += POINTER_HEIGHT; | ||
755 | |||
756 | /* calculate bottom/right of box */ | ||
757 | int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; | ||
758 | |||
759 | harbaum | 58 | /* save balloon screen coordinates for later use */ |
760 | priv->balloon.rect.x = x0 + BALLOON_BORDER; | ||
761 | priv->balloon.rect.y = y0 + BALLOON_BORDER; | ||
762 | priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; | ||
763 | priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; | ||
764 | |||
765 | harbaum | 56 | #ifdef USE_CAIRO |
766 | harbaum | 57 | cairo_t *cr = gdk_cairo_create(priv->pixmap); |
767 | harbaum | 56 | |
768 | harbaum | 57 | /* --------- draw shadow --------------- */ |
769 | osm_gps_map_draw_balloon_shape (cr, | ||
770 | x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, | ||
771 | x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, | ||
772 | bottom, pointer_x, pointer_y, | ||
773 | pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); | ||
774 | harbaum | 56 | |
775 | harbaum | 57 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
776 | cairo_fill_preserve (cr); | ||
777 | cairo_set_source_rgba (cr, 1, 0, 0, 1.0); | ||
778 | cairo_set_line_width (cr, 0); | ||
779 | cairo_stroke (cr); | ||
780 | harbaum | 56 | |
781 | harbaum | 57 | /* --------- draw main shape ----------- */ |
782 | osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, | ||
783 | bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); | ||
784 | |||
785 | cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); | ||
786 | cairo_fill_preserve (cr); | ||
787 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); | ||
788 | cairo_set_line_width (cr, 1); | ||
789 | cairo_stroke (cr); | ||
790 | harbaum | 56 | |
791 | |||
792 | harbaum | 57 | /* ---------- draw close button --------- */ |
793 | |||
794 | harbaum | 58 | int cx = x1 - BALLOON_BORDER - CLOSE_BUTTON_RADIUS; |
795 | int cy = y0 + BALLOON_BORDER + CLOSE_BUTTON_RADIUS; | ||
796 | int crad = CLOSE_BUTTON_RADIUS; | ||
797 | harbaum | 57 | |
798 | cairo_arc (cr, cx, cy, crad, 0, 2 * M_PI); | ||
799 | cairo_set_source_rgba (cr, 0.8, 0, 0, 1.0); | ||
800 | cairo_fill_preserve (cr); | ||
801 | cairo_set_source_rgba (cr, 0.3, 0, 0, 1.0); | ||
802 | harbaum | 58 | cairo_set_line_width (cr, 2); |
803 | harbaum | 57 | cairo_stroke(cr); |
804 | |||
805 | cairo_set_source_rgba (cr, 1, 1, 1, 1.0); | ||
806 | harbaum | 66 | cairo_set_line_width (cr, BALLOON_CORNER_RADIUS/3.3); |
807 | harbaum | 57 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
808 | harbaum | 58 | cairo_move_to (cr, cx - crad/2, cy - crad/2); |
809 | cairo_line_to (cr, cx + crad/2, cy + crad/2); | ||
810 | harbaum | 57 | cairo_stroke (cr); |
811 | harbaum | 58 | cairo_move_to (cr, cx + crad/2, cy - crad/2); |
812 | cairo_line_to (cr, cx - crad/2, cy + crad/2); | ||
813 | harbaum | 57 | cairo_stroke (cr); |
814 | |||
815 | harbaum | 58 | if (priv->balloon.cb) { |
816 | /* clip in case application tries to draw in */ | ||
817 | /* exceed of the balloon */ | ||
818 | cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, | ||
819 | priv->balloon.rect.w, priv->balloon.rect.h); | ||
820 | cairo_clip (cr); | ||
821 | cairo_new_path (cr); /* current path is not | ||
822 | consumed by cairo_clip() */ | ||
823 | |||
824 | priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); | ||
825 | } | ||
826 | harbaum | 57 | |
827 | harbaum | 61 | cairo_destroy(cr); |
828 | |||
829 | harbaum | 57 | gtk_widget_queue_draw_area (GTK_WIDGET(map), |
830 | x0, y0, BALLOON_WIDTH, | ||
831 | BALLOON_HEIGHT + POINTER_HEIGHT); | ||
832 | #else | ||
833 | #warning "Balloon display lacks a non-cairo implementation!" | ||
834 | harbaum | 56 | #endif |
835 | harbaum | 57 | } |
836 | harbaum | 56 | } |
837 | |||
838 | harbaum | 58 | /* the user clicked into the balloons main area. handle this */ |
839 | static void | ||
840 | osm_gps_map_handle_balloon_click(OsmGpsMap *map, gint x, gint y) | ||
841 | { | ||
842 | OsmGpsMapPrivate *priv = map->priv; | ||
843 | |||
844 | if (!priv->balloon.valid) | ||
845 | return; | ||
846 | |||
847 | /* check if the close button was clicked */ | ||
848 | if ((x > priv->balloon.rect.w - 2*CLOSE_BUTTON_RADIUS) && | ||
849 | (x < priv->balloon.rect.w) && | ||
850 | (y > 0) && (y < 2*CLOSE_BUTTON_RADIUS)) { | ||
851 | |||
852 | priv->balloon.valid = FALSE; | ||
853 | osm_gps_map_map_redraw_idle(map); | ||
854 | } | ||
855 | } | ||
856 | |||
857 | /* return true if balloon is being displayed and if */ | ||
858 | /* the given coordinate is within this balloon */ | ||
859 | static gboolean | ||
860 | osm_gps_map_in_balloon(OsmGpsMapPrivate *priv, gint x, gint y) | ||
861 | { | ||
862 | return (priv->balloon.valid && | ||
863 | (x > priv->balloon.rect.x) && | ||
864 | (x < priv->balloon.rect.x + priv->balloon.rect.w) && | ||
865 | (y > priv->balloon.rect.y) && | ||
866 | (y < priv->balloon.rect.y + priv->balloon.rect.h)); | ||
867 | } | ||
868 | harbaum | 65 | #endif // ENABLE_BALLOON |
869 | harbaum | 58 | |
870 | harbaum | 56 | static void |
871 | harbaum | 32 | osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y) |
872 | { | ||
873 | OsmGpsMapPrivate *priv = map->priv; | ||
874 | |||
875 | harbaum | 55 | g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE); |
876 | harbaum | 32 | |
877 | /* draw pixbuf onto pixmap */ | ||
878 | gdk_draw_pixbuf (priv->pixmap, | ||
879 | priv->gc_map, | ||
880 | pixbuf, | ||
881 | 0,0, | ||
882 | offset_x,offset_y, | ||
883 | TILESIZE,TILESIZE, | ||
884 | GDK_RGB_DITHER_NONE, 0, 0); | ||
885 | } | ||
886 | |||
887 | /* libsoup-2.2 and libsoup-2.4 use different ways to store the body data */ | ||
888 | #ifdef LIBSOUP22 | ||
889 | #define soup_message_headers_append(a,b,c) soup_message_add_header(a,b,c) | ||
890 | #define MSG_RESPONSE_BODY(a) ((a)->response.body) | ||
891 | #define MSG_RESPONSE_LEN(a) ((a)->response.length) | ||
892 | #define MSG_RESPONSE_LEN_FORMAT "%u" | ||
893 | #else | ||
894 | #define MSG_RESPONSE_BODY(a) ((a)->response_body->data) | ||
895 | #define MSG_RESPONSE_LEN(a) ((a)->response_body->length) | ||
896 | #define MSG_RESPONSE_LEN_FORMAT "%lld" | ||
897 | #endif | ||
898 | |||
899 | #ifdef LIBSOUP22 | ||
900 | static void | ||
901 | osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data) | ||
902 | #else | ||
903 | static void | ||
904 | osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data) | ||
905 | #endif | ||
906 | { | ||
907 | harbaum | 55 | FILE *file; |
908 | harbaum | 32 | tile_download_t *dl = (tile_download_t *)user_data; |
909 | OsmGpsMap *map = OSM_GPS_MAP(dl->map); | ||
910 | OsmGpsMapPrivate *priv = map->priv; | ||
911 | gboolean file_saved = FALSE; | ||
912 | |||
913 | if (SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) | ||
914 | { | ||
915 | /* save tile into cachedir if one has been specified */ | ||
916 | if (priv->cache_dir) | ||
917 | { | ||
918 | if (g_mkdir_with_parents(dl->folder,0700) == 0) | ||
919 | { | ||
920 | harbaum | 55 | file = g_fopen(dl->filename, "wb"); |
921 | if (file != NULL) | ||
922 | harbaum | 32 | { |
923 | harbaum | 55 | fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file); |
924 | harbaum | 32 | file_saved = TRUE; |
925 | harbaum | 55 | g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename); |
926 | fclose (file); | ||
927 | harbaum | 32 | |
928 | } | ||
929 | } | ||
930 | else | ||
931 | { | ||
932 | harbaum | 62 | g_warning("Error creating tile download directory: %s", |
933 | dl->folder); | ||
934 | perror("perror:"); | ||
935 | harbaum | 32 | } |
936 | } | ||
937 | |||
938 | if (dl->redraw) | ||
939 | { | ||
940 | GdkPixbuf *pixbuf = NULL; | ||
941 | |||
942 | harbaum | 55 | /* if the file was actually stored on disk, we can simply */ |
943 | /* load and decode it from that file */ | ||
944 | harbaum | 32 | if (priv->cache_dir) |
945 | { | ||
946 | if (file_saved) | ||
947 | { | ||
948 | pixbuf = gdk_pixbuf_new_from_file (dl->filename, NULL); | ||
949 | } | ||
950 | } | ||
951 | else | ||
952 | { | ||
953 | GdkPixbufLoader *loader; | ||
954 | char *extension = strrchr (dl->filename, '.'); | ||
955 | |||
956 | /* parse file directly from memory */ | ||
957 | if (extension) | ||
958 | { | ||
959 | loader = gdk_pixbuf_loader_new_with_type (extension+1, NULL); | ||
960 | if (!gdk_pixbuf_loader_write (loader, (unsigned char*)MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg), NULL)) | ||
961 | { | ||
962 | g_warning("Error: Decoding of image failed"); | ||
963 | } | ||
964 | gdk_pixbuf_loader_close(loader, NULL); | ||
965 | |||
966 | pixbuf = gdk_pixbuf_loader_get_pixbuf(loader); | ||
967 | |||
968 | /* give up loader but keep the pixbuf */ | ||
969 | g_object_ref(pixbuf); | ||
970 | g_object_unref(loader); | ||
971 | } | ||
972 | else | ||
973 | { | ||
974 | g_warning("Error: Unable to determine image file format"); | ||
975 | } | ||
976 | } | ||
977 | harbaum | 55 | |
978 | harbaum | 32 | /* Store the tile into the cache */ |
979 | if (G_LIKELY (pixbuf)) | ||
980 | { | ||
981 | OsmCachedTile *tile = g_slice_new (OsmCachedTile); | ||
982 | tile->pixbuf = pixbuf; | ||
983 | tile->redraw_cycle = priv->redraw_cycle; | ||
984 | /* if the tile is already in the cache (it could be one | ||
985 | * rendered from another zoom level), it will be | ||
986 | * overwritten */ | ||
987 | g_hash_table_insert (priv->tile_cache, dl->filename, tile); | ||
988 | /* NULL-ify dl->filename so that it won't be freed, as | ||
989 | * we are using it as a key in the hash table */ | ||
990 | dl->filename = NULL; | ||
991 | } | ||
992 | osm_gps_map_map_redraw_idle (map); | ||
993 | } | ||
994 | g_hash_table_remove(priv->tile_queue, dl->uri); | ||
995 | |||
996 | g_free(dl->uri); | ||
997 | g_free(dl->folder); | ||
998 | g_free(dl->filename); | ||
999 | g_free(dl); | ||
1000 | } | ||
1001 | else | ||
1002 | { | ||
1003 | g_warning("Error downloading tile: %d - %s", msg->status_code, msg->reason_phrase); | ||
1004 | if (msg->status_code == SOUP_STATUS_NOT_FOUND) | ||
1005 | { | ||
1006 | g_hash_table_insert(priv->missing_tiles, dl->uri, NULL); | ||
1007 | g_hash_table_remove(priv->tile_queue, dl->uri); | ||
1008 | } | ||
1009 | else if (msg->status_code == SOUP_STATUS_CANCELLED) | ||
1010 | { | ||
1011 | ;//application exiting | ||
1012 | } | ||
1013 | else | ||
1014 | { | ||
1015 | #ifdef LIBSOUP22 | ||
1016 | soup_session_requeue_message(dl->session, msg); | ||
1017 | #else | ||
1018 | soup_session_requeue_message(session, msg); | ||
1019 | #endif | ||
1020 | return; | ||
1021 | } | ||
1022 | } | ||
1023 | |||
1024 | |||
1025 | } | ||
1026 | |||
1027 | static void | ||
1028 | osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw) | ||
1029 | { | ||
1030 | SoupMessage *msg; | ||
1031 | OsmGpsMapPrivate *priv = map->priv; | ||
1032 | tile_download_t *dl = g_new0(tile_download_t,1); | ||
1033 | |||
1034 | //calculate the uri to download | ||
1035 | dl->uri = replace_map_uri(map, priv->repo_uri, zoom, x, y); | ||
1036 | |||
1037 | #ifdef LIBSOUP22 | ||
1038 | dl->session = priv->soup_session; | ||
1039 | #endif | ||
1040 | |||
1041 | //check the tile has not already been queued for download, | ||
1042 | //or has been attempted, and its missing | ||
1043 | if (g_hash_table_lookup_extended(priv->tile_queue, dl->uri, NULL, NULL) || | ||
1044 | g_hash_table_lookup_extended(priv->missing_tiles, dl->uri, NULL, NULL) ) | ||
1045 | { | ||
1046 | g_debug("Tile already downloading (or missing)"); | ||
1047 | g_free(dl->uri); | ||
1048 | g_free(dl); | ||
1049 | } else { | ||
1050 | harbaum | 55 | dl->folder = g_strdup_printf("%s%c%d%c%d%c", |
1051 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1052 | zoom, G_DIR_SEPARATOR, | ||
1053 | x, G_DIR_SEPARATOR); | ||
1054 | dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", | ||
1055 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1056 | zoom, G_DIR_SEPARATOR, | ||
1057 | x, G_DIR_SEPARATOR, | ||
1058 | y, | ||
1059 | priv->image_format); | ||
1060 | harbaum | 32 | dl->map = map; |
1061 | dl->redraw = redraw; | ||
1062 | |||
1063 | g_debug("Download tile: %d,%d z:%d\n\t%s --> %s", x, y, zoom, dl->uri, dl->filename); | ||
1064 | |||
1065 | msg = soup_message_new (SOUP_METHOD_GET, dl->uri); | ||
1066 | if (msg) { | ||
1067 | if (priv->the_google) { | ||
1068 | //Set maps.google.com as the referrer | ||
1069 | g_debug("Setting Google Referrer"); | ||
1070 | soup_message_headers_append(msg->request_headers, "Referer", "http://maps.google.com/"); | ||
1071 | //For google satelite also set the appropriate cookie value | ||
1072 | if (priv->uri_format & URI_HAS_Q) { | ||
1073 | const char *cookie = g_getenv("GOOGLE_COOKIE"); | ||
1074 | if (cookie) { | ||
1075 | g_debug("Adding Google Cookie"); | ||
1076 | soup_message_headers_append(msg->request_headers, "Cookie", cookie); | ||
1077 | } | ||
1078 | } | ||
1079 | } | ||
1080 | |||
1081 | g_hash_table_insert (priv->tile_queue, dl->uri, msg); | ||
1082 | soup_session_queue_message (priv->soup_session, msg, osm_gps_map_tile_download_complete, dl); | ||
1083 | } else { | ||
1084 | g_warning("Could not create soup message"); | ||
1085 | g_free(dl->uri); | ||
1086 | g_free(dl->folder); | ||
1087 | g_free(dl->filename); | ||
1088 | g_free(dl); | ||
1089 | } | ||
1090 | } | ||
1091 | } | ||
1092 | |||
1093 | static GdkPixbuf * | ||
1094 | osm_gps_map_load_cached_tile (OsmGpsMap *map, int zoom, int x, int y) | ||
1095 | { | ||
1096 | OsmGpsMapPrivate *priv = map->priv; | ||
1097 | gchar *filename; | ||
1098 | harbaum | 55 | GdkPixbuf *pixbuf = NULL; |
1099 | harbaum | 32 | OsmCachedTile *tile; |
1100 | |||
1101 | harbaum | 55 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1102 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1103 | zoom, G_DIR_SEPARATOR, | ||
1104 | x, G_DIR_SEPARATOR, | ||
1105 | y, | ||
1106 | priv->image_format); | ||
1107 | harbaum | 32 | |
1108 | tile = g_hash_table_lookup (priv->tile_cache, filename); | ||
1109 | if (tile) | ||
1110 | { | ||
1111 | g_free (filename); | ||
1112 | } | ||
1113 | harbaum | 55 | else |
1114 | harbaum | 32 | { |
1115 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); | ||
1116 | if (pixbuf) | ||
1117 | { | ||
1118 | tile = g_slice_new (OsmCachedTile); | ||
1119 | tile->pixbuf = pixbuf; | ||
1120 | g_hash_table_insert (priv->tile_cache, filename, tile); | ||
1121 | } | ||
1122 | } | ||
1123 | |||
1124 | /* set/update the redraw_cycle timestamp on the tile */ | ||
1125 | if (tile) | ||
1126 | { | ||
1127 | tile->redraw_cycle = priv->redraw_cycle; | ||
1128 | pixbuf = g_object_ref (tile->pixbuf); | ||
1129 | harbaum | 55 | } |
1130 | harbaum | 32 | |
1131 | return pixbuf; | ||
1132 | } | ||
1133 | |||
1134 | static GdkPixbuf * | ||
1135 | osm_gps_map_find_bigger_tile (OsmGpsMap *map, int zoom, int x, int y, | ||
1136 | int *zoom_found) | ||
1137 | { | ||
1138 | GdkPixbuf *pixbuf; | ||
1139 | int next_zoom, next_x, next_y; | ||
1140 | |||
1141 | if (zoom == 0) return NULL; | ||
1142 | next_zoom = zoom - 1; | ||
1143 | next_x = x / 2; | ||
1144 | next_y = y / 2; | ||
1145 | pixbuf = osm_gps_map_load_cached_tile (map, next_zoom, next_x, next_y); | ||
1146 | if (pixbuf) | ||
1147 | *zoom_found = next_zoom; | ||
1148 | else | ||
1149 | pixbuf = osm_gps_map_find_bigger_tile (map, next_zoom, next_x, next_y, | ||
1150 | zoom_found); | ||
1151 | return pixbuf; | ||
1152 | } | ||
1153 | |||
1154 | static GdkPixbuf * | ||
1155 | osm_gps_map_render_missing_tile_upscaled (OsmGpsMap *map, int zoom, | ||
1156 | int x, int y) | ||
1157 | { | ||
1158 | GdkPixbuf *pixbuf, *big, *area; | ||
1159 | int zoom_big, zoom_diff, area_size, area_x, area_y; | ||
1160 | int modulo; | ||
1161 | |||
1162 | big = osm_gps_map_find_bigger_tile (map, zoom, x, y, &zoom_big); | ||
1163 | if (!big) return NULL; | ||
1164 | |||
1165 | g_debug ("Found bigger tile (zoom = %d, wanted = %d)", zoom_big, zoom); | ||
1166 | |||
1167 | /* get a Pixbuf for the area to magnify */ | ||
1168 | zoom_diff = zoom - zoom_big; | ||
1169 | area_size = TILESIZE >> zoom_diff; | ||
1170 | modulo = 1 << zoom_diff; | ||
1171 | area_x = (x % modulo) * area_size; | ||
1172 | area_y = (y % modulo) * area_size; | ||
1173 | area = gdk_pixbuf_new_subpixbuf (big, area_x, area_y, | ||
1174 | area_size, area_size); | ||
1175 | g_object_unref (big); | ||
1176 | pixbuf = gdk_pixbuf_scale_simple (area, TILESIZE, TILESIZE, | ||
1177 | GDK_INTERP_NEAREST); | ||
1178 | g_object_unref (area); | ||
1179 | return pixbuf; | ||
1180 | } | ||
1181 | |||
1182 | static GdkPixbuf * | ||
1183 | osm_gps_map_render_missing_tile (OsmGpsMap *map, int zoom, int x, int y) | ||
1184 | { | ||
1185 | /* maybe TODO: render from downscaled tiles, if the following fails */ | ||
1186 | return osm_gps_map_render_missing_tile_upscaled (map, zoom, x, y); | ||
1187 | } | ||
1188 | |||
1189 | static void | ||
1190 | osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y) | ||
1191 | { | ||
1192 | OsmGpsMapPrivate *priv = map->priv; | ||
1193 | harbaum | 55 | gchar *filename; |
1194 | harbaum | 32 | GdkPixbuf *pixbuf; |
1195 | |||
1196 | g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom); | ||
1197 | |||
1198 | harbaum | 55 | if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) { |
1199 | osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y); | ||
1200 | return; | ||
1201 | } | ||
1202 | harbaum | 32 | |
1203 | harbaum | 55 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
1204 | priv->cache_dir, G_DIR_SEPARATOR, | ||
1205 | zoom, G_DIR_SEPARATOR, | ||
1206 | x, G_DIR_SEPARATOR, | ||
1207 | y, | ||
1208 | priv->image_format); | ||
1209 | |||
1210 | /* try to get file from internal cache first */ | ||
1211 | if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y))) | ||
1212 | harbaum | 32 | pixbuf = gdk_pixbuf_new_from_file (filename, NULL); |
1213 | |||
1214 | harbaum | 55 | if(pixbuf) |
1215 | harbaum | 32 | { |
1216 | harbaum | 55 | g_debug("Found tile %s", filename); |
1217 | harbaum | 32 | osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y); |
1218 | g_object_unref (pixbuf); | ||
1219 | } | ||
1220 | else | ||
1221 | { | ||
1222 | if (priv->map_auto_download) | ||
1223 | osm_gps_map_download_tile(map, zoom, x, y, TRUE); | ||
1224 | |||
1225 | /* try to render the tile by scaling cached tiles from other zoom | ||
1226 | * levels */ | ||
1227 | pixbuf = osm_gps_map_render_missing_tile (map, zoom, x, y); | ||
1228 | if (pixbuf) | ||
1229 | { | ||
1230 | gdk_draw_pixbuf (priv->pixmap, | ||
1231 | priv->gc_map, | ||
1232 | pixbuf, | ||
1233 | 0,0, | ||
1234 | offset_x,offset_y, | ||
1235 | TILESIZE,TILESIZE, | ||
1236 | GDK_RGB_DITHER_NONE, 0, 0); | ||
1237 | g_object_unref (pixbuf); | ||
1238 | } | ||
1239 | else | ||
1240 | { | ||
1241 | //prevent some artifacts when drawing not yet loaded areas. | ||
1242 | gdk_draw_rectangle (priv->pixmap, | ||
1243 | GTK_WIDGET(map)->style->white_gc, | ||
1244 | TRUE, offset_x, offset_y, TILESIZE, TILESIZE); | ||
1245 | } | ||
1246 | } | ||
1247 | harbaum | 55 | g_free(filename); |
1248 | harbaum | 32 | } |
1249 | |||
1250 | static void | ||
1251 | osm_gps_map_fill_tiles_pixel (OsmGpsMap *map) | ||
1252 | { | ||
1253 | OsmGpsMapPrivate *priv = map->priv; | ||
1254 | int i,j, width, height, tile_x0, tile_y0, tiles_nx, tiles_ny; | ||
1255 | int offset_xn = 0; | ||
1256 | int offset_yn = 0; | ||
1257 | int offset_x; | ||
1258 | int offset_y; | ||
1259 | |||
1260 | g_debug("Fill tiles: %d,%d z:%d", priv->map_x, priv->map_y, priv->map_zoom); | ||
1261 | |||
1262 | offset_x = - priv->map_x % TILESIZE; | ||
1263 | offset_y = - priv->map_y % TILESIZE; | ||
1264 | if (offset_x > 0) offset_x -= TILESIZE; | ||
1265 | if (offset_y > 0) offset_y -= TILESIZE; | ||
1266 | |||
1267 | offset_xn = offset_x + EXTRA_BORDER; | ||
1268 | offset_yn = offset_y + EXTRA_BORDER; | ||
1269 | |||
1270 | width = GTK_WIDGET(map)->allocation.width; | ||
1271 | height = GTK_WIDGET(map)->allocation.height; | ||
1272 | |||
1273 | tiles_nx = (width - offset_x) / TILESIZE + 1; | ||
1274 | tiles_ny = (height - offset_y) / TILESIZE + 1; | ||
1275 | |||
1276 | tile_x0 = floor((float)priv->map_x / (float)TILESIZE); | ||
1277 | tile_y0 = floor((float)priv->map_y / (float)TILESIZE); | ||
1278 | |||
1279 | //TODO: implement wrap around | ||
1280 | for (i=tile_x0; i<(tile_x0+tiles_nx);i++) | ||
1281 | { | ||
1282 | for (j=tile_y0; j<(tile_y0+tiles_ny); j++) | ||
1283 | { | ||
1284 | if( j<0 || i<0 || i>=exp(priv->map_zoom * M_LN2) || j>=exp(priv->map_zoom * M_LN2)) | ||
1285 | { | ||
1286 | gdk_draw_rectangle (priv->pixmap, | ||
1287 | GTK_WIDGET(map)->style->white_gc, | ||
1288 | TRUE, | ||
1289 | offset_xn, offset_yn, | ||
1290 | TILESIZE,TILESIZE); | ||
1291 | } | ||
1292 | else | ||
1293 | { | ||
1294 | osm_gps_map_load_tile(map, | ||
1295 | priv->map_zoom, | ||
1296 | i,j, | ||
1297 | offset_xn,offset_yn); | ||
1298 | } | ||
1299 | offset_yn += TILESIZE; | ||
1300 | } | ||
1301 | offset_xn += TILESIZE; | ||
1302 | offset_yn = offset_y + EXTRA_BORDER; | ||
1303 | } | ||
1304 | } | ||
1305 | |||
1306 | static void | ||
1307 | osm_gps_map_print_track (OsmGpsMap *map, GSList *trackpoint_list) | ||
1308 | { | ||
1309 | OsmGpsMapPrivate *priv = map->priv; | ||
1310 | |||
1311 | GSList *list; | ||
1312 | int x,y; | ||
1313 | int min_x = 0,min_y = 0,max_x = 0,max_y = 0; | ||
1314 | int lw = priv->ui_gps_track_width; | ||
1315 | int map_x0, map_y0; | ||
1316 | #ifdef USE_CAIRO | ||
1317 | cairo_t *cr; | ||
1318 | #else | ||
1319 | int last_x = 0, last_y = 0; | ||
1320 | GdkColor color; | ||
1321 | GdkGC *gc; | ||
1322 | #endif | ||
1323 | |||
1324 | #ifdef USE_CAIRO | ||
1325 | cr = gdk_cairo_create(priv->pixmap); | ||
1326 | cairo_set_line_width (cr, lw); | ||
1327 | cairo_set_source_rgba (cr, 60000.0/65535.0, 0.0, 0.0, 0.6); | ||
1328 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); | ||
1329 | cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); | ||
1330 | #else | ||
1331 | gc = gdk_gc_new(priv->pixmap); | ||
1332 | color.green = 0; | ||
1333 | color.blue = 0; | ||
1334 | color.red = 60000; | ||
1335 | gdk_gc_set_rgb_fg_color(gc, &color); | ||
1336 | gdk_gc_set_line_attributes(gc, lw, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND); | ||
1337 | #endif | ||
1338 | |||
1339 | map_x0 = priv->map_x - EXTRA_BORDER; | ||
1340 | map_y0 = priv->map_y - EXTRA_BORDER; | ||
1341 | for(list = trackpoint_list; list != NULL; list = list->next) | ||
1342 | { | ||
1343 | coord_t *tp = list->data; | ||
1344 | |||
1345 | x = lon2pixel(priv->map_zoom, tp->rlon) - map_x0; | ||
1346 | y = lat2pixel(priv->map_zoom, tp->rlat) - map_y0; | ||
1347 | |||
1348 | // first time through loop | ||
1349 | if (list == trackpoint_list) { | ||
1350 | #ifdef USE_CAIRO | ||
1351 | cairo_move_to(cr, x, y); | ||
1352 | #else | ||
1353 | last_x = x; | ||
1354 | last_y = y; | ||
1355 | #endif | ||
1356 | } | ||
1357 | |||
1358 | #ifdef USE_CAIRO | ||
1359 | cairo_line_to(cr, x, y); | ||
1360 | #else | ||
1361 | gdk_draw_line (priv->pixmap, gc, x, y, last_x, last_y); | ||
1362 | last_x = x; | ||
1363 | last_y = y; | ||
1364 | #endif | ||
1365 | |||
1366 | max_x = MAX(x,max_x); | ||
1367 | min_x = MIN(x,min_x); | ||
1368 | max_y = MAX(y,max_y); | ||
1369 | min_y = MIN(y,min_y); | ||
1370 | } | ||
1371 | |||
1372 | gtk_widget_queue_draw_area ( | ||
1373 | GTK_WIDGET(map), | ||
1374 | min_x - lw, | ||
1375 | min_y - lw, | ||
1376 | max_x + (lw * 2), | ||
1377 | max_y + (lw * 2)); | ||
1378 | |||
1379 | #ifdef USE_CAIRO | ||
1380 | cairo_stroke(cr); | ||
1381 | cairo_destroy(cr); | ||
1382 | #else | ||
1383 | g_object_unref(gc); | ||
1384 | #endif | ||
1385 | } | ||
1386 | |||
1387 | /* Prints the gps trip history, and any other tracks */ | ||
1388 | static void | ||
1389 | osm_gps_map_print_tracks (OsmGpsMap *map) | ||
1390 | { | ||
1391 | OsmGpsMapPrivate *priv = map->priv; | ||
1392 | |||
1393 | if (priv->show_trip_history) | ||
1394 | osm_gps_map_print_track (map, priv->trip_history); | ||
1395 | harbaum | 55 | |
1396 | harbaum | 32 | if (priv->tracks) |
1397 | { | ||
1398 | GSList* tmp = priv->tracks; | ||
1399 | while (tmp != NULL) | ||
1400 | { | ||
1401 | osm_gps_map_print_track (map, tmp->data); | ||
1402 | tmp = g_slist_next(tmp); | ||
1403 | } | ||
1404 | } | ||
1405 | } | ||
1406 | |||
1407 | harbaum | 55 | static gboolean |
1408 | osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user) | ||
1409 | harbaum | 32 | { |
1410 | harbaum | 55 | return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle); |
1411 | harbaum | 32 | } |
1412 | |||
1413 | static void | ||
1414 | osm_gps_map_purge_cache (OsmGpsMap *map) | ||
1415 | { | ||
1416 | harbaum | 55 | OsmGpsMapPrivate *priv = map->priv; |
1417 | harbaum | 32 | |
1418 | harbaum | 55 | if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size) |
1419 | return; | ||
1420 | harbaum | 32 | |
1421 | harbaum | 55 | /* run through the cache, and remove the tiles which have not been used |
1422 | * during the last redraw operation */ | ||
1423 | g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv); | ||
1424 | harbaum | 32 | } |
1425 | |||
1426 | harbaum | 61 | #ifdef ENABLE_OSD |
1427 | /* position and extent of bounding box */ | ||
1428 | harbaum | 63 | #define OSD_X (10) |
1429 | #define OSD_Y (10) | ||
1430 | harbaum | 61 | |
1431 | harbaum | 66 | #define OSD_COLOR 0.5, 0.5, 1 |
1432 | #define OSD_COLOR_DISABLED 0.8, 0.8, 0.8 | ||
1433 | harbaum | 63 | |
1434 | /* parameters of the direction shape */ | ||
1435 | harbaum | 66 | #ifndef OSM_GPS_MAP_OSD_DIAMETER |
1436 | #define D_RAD (30) // diameter of dpad | ||
1437 | #else | ||
1438 | #define D_RAD (OSM_GPS_MAP_OSD_DIAMETER) | ||
1439 | #endif | ||
1440 | harbaum | 63 | #define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center |
1441 | #define D_LEN (D_RAD/4) // length of arrow | ||
1442 | #define D_WID (D_LEN) // width of arrow | ||
1443 | |||
1444 | /* parameters of the "zoom" pad */ | ||
1445 | harbaum | 66 | #define Z_STEP (D_RAD/4) // distance between dpad and zoom |
1446 | harbaum | 63 | #define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar |
1447 | |||
1448 | /* shadow also depends on control size */ | ||
1449 | harbaum | 66 | #define OSD_SHADOW (D_RAD/6) |
1450 | harbaum | 63 | |
1451 | /* total width and height of controls incl. shadow */ | ||
1452 | #define OSD_W (2*D_RAD + OSD_SHADOW) | ||
1453 | #define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) | ||
1454 | |||
1455 | #define OSD_LBL_SHADOW (OSD_SHADOW/2) | ||
1456 | |||
1457 | #define Z_TOP (2 * D_RAD + Z_STEP) | ||
1458 | #define Z_MID (Z_TOP + Z_RAD) | ||
1459 | #define Z_BOT (Z_MID + Z_RAD) | ||
1460 | #define Z_LEFT (Z_RAD) | ||
1461 | #define Z_RIGHT (2 * D_RAD - Z_RAD) | ||
1462 | |||
1463 | /* create the cairo shape used for the zoom buttons */ | ||
1464 | static void | ||
1465 | osm_gps_map_osd_zoom_shape(cairo_t *cr, gint x, gint y) { | ||
1466 | cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); | ||
1467 | cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); | ||
1468 | cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); | ||
1469 | cairo_line_to (cr, x+Z_LEFT, y+Z_BOT); | ||
1470 | cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); | ||
1471 | } | ||
1472 | |||
1473 | /* create the cairo shape used for the dpad */ | ||
1474 | static void | ||
1475 | osm_gps_map_osd_dpad_shape(cairo_t *cr, gint x, gint y) { | ||
1476 | cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); | ||
1477 | } | ||
1478 | |||
1479 | typedef enum { | ||
1480 | OSD_NONE = 0, | ||
1481 | OSD_BG, | ||
1482 | OSD_UP, | ||
1483 | OSD_DOWN, | ||
1484 | OSD_LEFT, | ||
1485 | OSD_RIGHT, | ||
1486 | OSD_IN, | ||
1487 | OSD_OUT, | ||
1488 | OSD_GPS | ||
1489 | } osd_button_t; | ||
1490 | |||
1491 | static gboolean | ||
1492 | osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) | ||
1493 | { | ||
1494 | return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); | ||
1495 | } | ||
1496 | |||
1497 | /* check whether x/y is within the dpad */ | ||
1498 | static osd_button_t | ||
1499 | osm_gps_map_osd_check_dpad(gint x, gint y) | ||
1500 | { | ||
1501 | /* within entire dpad circle */ | ||
1502 | if( osm_gps_map_in_circle(x, y, OSD_X + D_RAD, OSD_Y + D_RAD, D_RAD)) | ||
1503 | { | ||
1504 | /* convert into position relative to dpads centre */ | ||
1505 | x -= (OSD_X + D_RAD); | ||
1506 | y -= (OSD_Y + D_RAD); | ||
1507 | |||
1508 | /* check for dpad center goes here! */ | ||
1509 | harbaum | 66 | if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) |
1510 | harbaum | 63 | return OSD_GPS; |
1511 | |||
1512 | if( y < 0 && abs(x) < abs(y)) | ||
1513 | return OSD_UP; | ||
1514 | |||
1515 | if( y > 0 && abs(x) < abs(y)) | ||
1516 | return OSD_DOWN; | ||
1517 | |||
1518 | if( x < 0 && abs(y) < abs(x)) | ||
1519 | return OSD_LEFT; | ||
1520 | |||
1521 | if( x > 0 && abs(y) < abs(x)) | ||
1522 | return OSD_RIGHT; | ||
1523 | |||
1524 | return OSD_BG; | ||
1525 | } | ||
1526 | return OSD_NONE; | ||
1527 | } | ||
1528 | |||
1529 | /* check whether x/y is within the zoom pads */ | ||
1530 | static osd_button_t | ||
1531 | osm_gps_map_osd_check_zoom(gint x, gint y) { | ||
1532 | harbaum | 66 | if( x > OSD_X && x < (OSD_X + OSD_W) && y > Z_TOP && y < (OSD_Y+Z_BOT)) { |
1533 | harbaum | 63 | |
1534 | /* within circle around (-) label */ | ||
1535 | if( osm_gps_map_in_circle(x, y, OSD_X + Z_LEFT, OSD_Y + Z_MID, Z_RAD)) | ||
1536 | return OSD_OUT; | ||
1537 | |||
1538 | /* between center of (-) button and center of entire zoom control area */ | ||
1539 | if(x > OSD_LEFT && x < OSD_X + D_RAD) | ||
1540 | return OSD_OUT; | ||
1541 | |||
1542 | /* within circle around (+) label */ | ||
1543 | if( osm_gps_map_in_circle(x, y, OSD_X + Z_RIGHT, OSD_Y + Z_MID, Z_RAD)) | ||
1544 | return OSD_IN; | ||
1545 | |||
1546 | /* between center of (+) button and center of entire zoom control area */ | ||
1547 | if(x < OSD_RIGHT && x > OSD_X + D_RAD) | ||
1548 | return OSD_IN; | ||
1549 | } | ||
1550 | |||
1551 | return OSD_NONE; | ||
1552 | } | ||
1553 | |||
1554 | static osd_button_t | ||
1555 | osm_gps_map_osd_check(gint x, gint y) { | ||
1556 | osd_button_t but = OSD_NONE; | ||
1557 | |||
1558 | /* first do a rough test for the OSD area. */ | ||
1559 | /* this is just to avoid an unnecessary detailed test */ | ||
1560 | if(x > OSD_X && x < OSD_X + OSD_W && | ||
1561 | y > OSD_Y && y < OSD_Y + OSD_H) { | ||
1562 | but = osm_gps_map_osd_check_dpad(x, y); | ||
1563 | |||
1564 | if(but == OSD_NONE) | ||
1565 | but = osm_gps_map_osd_check_zoom(x, y); | ||
1566 | } | ||
1567 | |||
1568 | return but; | ||
1569 | } | ||
1570 | |||
1571 | static void | ||
1572 | osm_gps_map_osd_shape_shadow(cairo_t *cr) { | ||
1573 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); | ||
1574 | cairo_fill (cr); | ||
1575 | cairo_stroke (cr); | ||
1576 | } | ||
1577 | |||
1578 | static void | ||
1579 | osm_gps_map_osd_shape(cairo_t *cr) { | ||
1580 | cairo_set_source_rgb (cr, 1, 1, 1); | ||
1581 | cairo_fill_preserve (cr); | ||
1582 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
1583 | cairo_set_line_width (cr, 1); | ||
1584 | cairo_stroke (cr); | ||
1585 | } | ||
1586 | |||
1587 | harbaum | 61 | static void |
1588 | harbaum | 63 | osm_gps_map_osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
1589 | /* move reference to dpad center */ | ||
1590 | x += D_RAD; | ||
1591 | y += D_RAD; | ||
1592 | |||
1593 | const static gint offset[][3][2] = { | ||
1594 | /* left arrow/triangle */ | ||
1595 | { { -D_TIP+D_LEN, -D_WID }, { -D_LEN, D_WID }, { +D_LEN, D_WID } }, | ||
1596 | /* right arrow/triangle */ | ||
1597 | { { +D_TIP-D_LEN, -D_WID }, { +D_LEN, D_WID }, { -D_LEN, D_WID } }, | ||
1598 | /* top arrow/triangle */ | ||
1599 | { { -D_WID, -D_TIP+D_LEN }, { D_WID, -D_LEN }, { D_WID, +D_LEN } }, | ||
1600 | /* bottom arrow/triangle */ | ||
1601 | { { -D_WID, +D_TIP-D_LEN }, { D_WID, +D_LEN }, { D_WID, -D_LEN } } | ||
1602 | }; | ||
1603 | |||
1604 | int i; | ||
1605 | for(i=0;i<4;i++) { | ||
1606 | cairo_move_to (cr, x + offset[i][0][0], y + offset[i][0][1]); | ||
1607 | cairo_rel_line_to (cr, offset[i][1][0], offset[i][1][1]); | ||
1608 | cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); | ||
1609 | } | ||
1610 | } | ||
1611 | |||
1612 | /* draw the sattelite dish icon in the center of the dpad */ | ||
1613 | #define GPS_V0 (D_RAD/8) | ||
1614 | #define GPS_V1 (D_RAD/10) | ||
1615 | #define GPS_V2 (D_RAD/5) | ||
1616 | |||
1617 | /* draw a satellite receiver dish */ | ||
1618 | static void | ||
1619 | osm_gps_map_osd_dpad_gps(cairo_t *cr, gint x, gint y) { | ||
1620 | /* move reference to dpad center */ | ||
1621 | x += D_RAD; | ||
1622 | y += D_RAD + GPS_V0; | ||
1623 | |||
1624 | cairo_move_to (cr, x-GPS_V0, y+GPS_V0); | ||
1625 | cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); | ||
1626 | cairo_rel_line_to (cr, +GPS_V0, +GPS_V0); | ||
1627 | cairo_close_path (cr); | ||
1628 | |||
1629 | cairo_move_to (cr, x+GPS_V1-GPS_V2, y-2*GPS_V2); | ||
1630 | cairo_curve_to (cr, x-GPS_V2, y, x+GPS_V1, y+GPS_V1, x+GPS_V1+GPS_V2, y); | ||
1631 | cairo_close_path (cr); | ||
1632 | |||
1633 | x += GPS_V1; | ||
1634 | cairo_move_to (cr, x, y-GPS_V2); | ||
1635 | cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); | ||
1636 | } | ||
1637 | |||
1638 | #define Z_LEN (2*Z_RAD/3) | ||
1639 | |||
1640 | static void | ||
1641 | osm_gps_map_osd_zoom_labels(cairo_t *cr, gint x, gint y) { | ||
1642 | cairo_move_to (cr, x + Z_LEFT - Z_LEN, y + Z_MID); | ||
1643 | cairo_line_to (cr, x + Z_LEFT + Z_LEN, y + Z_MID); | ||
1644 | |||
1645 | cairo_move_to (cr, x + Z_RIGHT, y + Z_MID - Z_LEN); | ||
1646 | cairo_line_to (cr, x + Z_RIGHT, y + Z_MID + Z_LEN); | ||
1647 | cairo_move_to (cr, x + Z_RIGHT - Z_LEN, y + Z_MID); | ||
1648 | cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); | ||
1649 | } | ||
1650 | |||
1651 | static void | ||
1652 | harbaum | 66 | osm_gps_map_osd_labels(cairo_t *cr, gint width, gboolean enabled) { |
1653 | if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); | ||
1654 | else cairo_set_source_rgb (cr, OSD_COLOR_DISABLED); | ||
1655 | harbaum | 63 | cairo_set_line_width (cr, width); |
1656 | cairo_stroke (cr); | ||
1657 | } | ||
1658 | |||
1659 | static void | ||
1660 | harbaum | 66 | osm_gps_map_osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { |
1661 | cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); | ||
1662 | harbaum | 63 | cairo_set_line_width (cr, width); |
1663 | cairo_stroke (cr); | ||
1664 | } | ||
1665 | |||
1666 | static void | ||
1667 | harbaum | 67 | osm_gps_map_osd_render(OsmGpsMapPrivate *priv) { |
1668 | harbaum | 61 | |
1669 | harbaum | 67 | /* first fill with transparency */ |
1670 | cairo_t *cr = cairo_create(priv->osd.overlay); | ||
1671 | harbaum | 61 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1672 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
1673 | cairo_paint(cr); | ||
1674 | |||
1675 | harbaum | 67 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
1676 | harbaum | 61 | |
1677 | harbaum | 63 | /* --------- draw zoom and dpad shape shadow ----------- */ |
1678 | harbaum | 67 | gint x = 0, y = 0; |
1679 | harbaum | 61 | |
1680 | harbaum | 63 | osm_gps_map_osd_zoom_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); |
1681 | osm_gps_map_osd_shape_shadow(cr); | ||
1682 | osm_gps_map_osd_dpad_shape(cr, x + OSD_SHADOW, y + OSD_SHADOW); | ||
1683 | osm_gps_map_osd_shape_shadow(cr); | ||
1684 | harbaum | 62 | |
1685 | harbaum | 63 | /* --------- draw zoom and dpad shape ----------- */ |
1686 | harbaum | 62 | |
1687 | harbaum | 63 | osm_gps_map_osd_zoom_shape(cr, x, y); |
1688 | osm_gps_map_osd_shape(cr); | ||
1689 | osm_gps_map_osd_dpad_shape(cr, x, y); | ||
1690 | osm_gps_map_osd_shape(cr); | ||
1691 | harbaum | 62 | |
1692 | harbaum | 63 | /* --------- draw zoom and dpad labels --------- */ |
1693 | harbaum | 62 | |
1694 | harbaum | 63 | osm_gps_map_osd_zoom_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
1695 | osm_gps_map_osd_dpad_labels(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); | ||
1696 | harbaum | 66 | osm_gps_map_osd_labels_shadow(cr, Z_RAD/3, TRUE); |
1697 | harbaum | 63 | osm_gps_map_osd_dpad_gps(cr, x + OSD_LBL_SHADOW, y + OSD_LBL_SHADOW); |
1698 | harbaum | 66 | osm_gps_map_osd_labels_shadow(cr, Z_RAD/6, priv->osd.cb != NULL); |
1699 | harbaum | 62 | |
1700 | harbaum | 63 | osm_gps_map_osd_zoom_labels(cr, x, y); |
1701 | osm_gps_map_osd_dpad_labels(cr, x, y); | ||
1702 | harbaum | 66 | osm_gps_map_osd_labels(cr, Z_RAD/3, TRUE); |
1703 | harbaum | 63 | osm_gps_map_osd_dpad_gps(cr, x, y); |
1704 | harbaum | 66 | osm_gps_map_osd_labels(cr, Z_RAD/6, priv->osd.cb != NULL); |
1705 | harbaum | 61 | |
1706 | cairo_destroy(cr); | ||
1707 | harbaum | 67 | } |
1708 | |||
1709 | static void | ||
1710 | osm_gps_map_osd_draw_controls (OsmGpsMap *map, gint xoffset, gint yoffset) | ||
1711 | { | ||
1712 | OsmGpsMapPrivate *priv = map->priv; | ||
1713 | |||
1714 | /* backup previous contents */ | ||
1715 | if(!priv->osd.backup) | ||
1716 | priv->osd.backup = gdk_pixmap_new(priv->pixmap, OSD_W+2, OSD_H+2, -1); | ||
1717 | |||
1718 | gint x = OSD_X + EXTRA_BORDER + xoffset; | ||
1719 | gint y = OSD_Y + EXTRA_BORDER + yoffset; | ||
1720 | |||
1721 | /* create backup of background */ | ||
1722 | gdk_draw_drawable(priv->osd.backup, | ||
1723 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], | ||
1724 | priv->pixmap, x-1, y-1, 0, 0, OSD_W+2, OSD_H+2); | ||
1725 | |||
1726 | priv->osd.backup_x = x-1; | ||
1727 | priv->osd.backup_y = y-1; | ||
1728 | |||
1729 | |||
1730 | #ifdef USE_CAIRO | ||
1731 | /* OSD itself uses some off-screen rendering, so check if the */ | ||
1732 | /* offscreen buffer is present and create it if not */ | ||
1733 | if(!priv->osd.overlay) { | ||
1734 | /* create overlay ... */ | ||
1735 | priv->osd.overlay = | ||
1736 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W, OSD_H); | ||
1737 | /* ... and render it */ | ||
1738 | osm_gps_map_osd_render(priv); | ||
1739 | } | ||
1740 | |||
1741 | // now draw this onto the original context | ||
1742 | cairo_t *cr = gdk_cairo_create(priv->pixmap); | ||
1743 | cairo_set_source_surface(cr, priv->osd.overlay, x, y); | ||
1744 | cairo_paint(cr); | ||
1745 | cairo_destroy(cr); | ||
1746 | |||
1747 | harbaum | 61 | #else |
1748 | #warning "OSD control display lacks a non-cairo implementation!" | ||
1749 | #endif | ||
1750 | } | ||
1751 | |||
1752 | static void | ||
1753 | osm_gps_map_osd_restore (OsmGpsMap *map) | ||
1754 | { | ||
1755 | OsmGpsMapPrivate *priv = map->priv; | ||
1756 | |||
1757 | /* restore backup of previous contents */ | ||
1758 | if(priv->osd.backup) { | ||
1759 | /* create backup of background */ | ||
1760 | gdk_draw_drawable(priv->pixmap, | ||
1761 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(GTK_WIDGET(map))], | ||
1762 | priv->osd.backup, 0, 0, | ||
1763 | harbaum | 62 | priv->osd.backup_x, priv->osd.backup_y, OSD_W+2, OSD_H+2); |
1764 | harbaum | 61 | } |
1765 | } | ||
1766 | |||
1767 | #endif | ||
1768 | |||
1769 | harbaum | 32 | static gboolean |
1770 | osm_gps_map_map_redraw (OsmGpsMap *map) | ||
1771 | { | ||
1772 | OsmGpsMapPrivate *priv = map->priv; | ||
1773 | |||
1774 | priv->idle_map_redraw = 0; | ||
1775 | |||
1776 | /* the motion_notify handler uses priv->pixmap to redraw the area; if we | ||
1777 | * change it while we are dragging, we will end up showing it in the wrong | ||
1778 | * place. This could be fixed by carefully recompute the coordinates, but | ||
1779 | * for now it's easier just to disable redrawing the map while dragging */ | ||
1780 | if (priv->dragging) | ||
1781 | return FALSE; | ||
1782 | |||
1783 | priv->redraw_cycle++; | ||
1784 | |||
1785 | /* draw white background to initialise pixmap */ | ||
1786 | gdk_draw_rectangle ( | ||
1787 | priv->pixmap, | ||
1788 | GTK_WIDGET(map)->style->white_gc, | ||
1789 | TRUE, | ||
1790 | 0, 0, | ||
1791 | GTK_WIDGET(map)->allocation.width + EXTRA_BORDER * 2, | ||
1792 | GTK_WIDGET(map)->allocation.height + EXTRA_BORDER * 2); | ||
1793 | |||
1794 | osm_gps_map_fill_tiles_pixel(map); | ||
1795 | |||
1796 | osm_gps_map_print_tracks(map); | ||
1797 | osm_gps_map_draw_gps_point(map); | ||
1798 | osm_gps_map_print_images(map); | ||
1799 | harbaum | 65 | #ifdef ENABLE_BALLOON |
1800 | harbaum | 57 | osm_gps_map_draw_balloon_int(map); |
1801 | harbaum | 65 | #endif |
1802 | harbaum | 61 | #ifdef ENABLE_OSD |
1803 | harbaum | 63 | osm_gps_map_osd_draw_controls(map, 0, 0); |
1804 | harbaum | 61 | #endif |
1805 | harbaum | 32 | |
1806 | //osm_gps_map_osd_speed(map, 1.5); | ||
1807 | osm_gps_map_purge_cache(map); | ||
1808 | gtk_widget_queue_draw (GTK_WIDGET (map)); | ||
1809 | |||
1810 | return FALSE; | ||
1811 | } | ||
1812 | |||
1813 | static void | ||
1814 | osm_gps_map_map_redraw_idle (OsmGpsMap *map) | ||
1815 | { | ||
1816 | OsmGpsMapPrivate *priv = map->priv; | ||
1817 | |||
1818 | if (priv->idle_map_redraw == 0) | ||
1819 | priv->idle_map_redraw = g_idle_add ((GSourceFunc)osm_gps_map_map_redraw, map); | ||
1820 | } | ||
1821 | |||
1822 | static void | ||
1823 | osm_gps_map_init (OsmGpsMap *object) | ||
1824 | { | ||
1825 | OsmGpsMapPrivate *priv; | ||
1826 | |||
1827 | priv = G_TYPE_INSTANCE_GET_PRIVATE (object, OSM_TYPE_GPS_MAP, OsmGpsMapPrivate); | ||
1828 | object->priv = priv; | ||
1829 | |||
1830 | priv->pixmap = NULL; | ||
1831 | |||
1832 | priv->trip_history = NULL; | ||
1833 | priv->gps = g_new0(coord_t, 1); | ||
1834 | priv->gps_valid = FALSE; | ||
1835 | |||
1836 | harbaum | 65 | #ifdef ENABLE_BALLOON |
1837 | harbaum | 58 | priv->balloon.coo = g_new0(coord_t, 1); |
1838 | priv->balloon.valid = FALSE; | ||
1839 | priv->balloon.cb = NULL; | ||
1840 | harbaum | 65 | #endif |
1841 | harbaum | 57 | |
1842 | harbaum | 61 | #ifdef ENABLE_OSD |
1843 | priv->osd.backup = NULL; | ||
1844 | harbaum | 67 | priv->osd.overlay = NULL; |
1845 | harbaum | 66 | priv->osd.cb = NULL; |
1846 | harbaum | 61 | #endif |
1847 | |||
1848 | harbaum | 32 | priv->tracks = NULL; |
1849 | priv->images = NULL; | ||
1850 | |||
1851 | priv->drag_counter = 0; | ||
1852 | priv->drag_mouse_dx = 0; | ||
1853 | priv->drag_mouse_dy = 0; | ||
1854 | priv->drag_start_mouse_x = 0; | ||
1855 | priv->drag_start_mouse_y = 0; | ||
1856 | |||
1857 | priv->uri_format = 0; | ||
1858 | priv->the_google = FALSE; | ||
1859 | |||
1860 | harbaum | 55 | priv->map_source = -1; |
1861 | |||
1862 | harbaum | 32 | #ifndef LIBSOUP22 |
1863 | //Change naumber of concurrent connections option? | ||
1864 | priv->soup_session = soup_session_async_new_with_options( | ||
1865 | SOUP_SESSION_USER_AGENT, | ||
1866 | "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11", | ||
1867 | NULL); | ||
1868 | #else | ||
1869 | /* libsoup-2.2 seems not to be able to set the user agent */ | ||
1870 | priv->soup_session = soup_session_async_new(); | ||
1871 | #endif | ||
1872 | |||
1873 | //Hash table which maps tile d/l URIs to SoupMessage requests | ||
1874 | priv->tile_queue = g_hash_table_new (g_str_hash, g_str_equal); | ||
1875 | |||
1876 | //Some mapping providers (Google) have varying degrees of tiles at multiple | ||
1877 | //zoom levels | ||
1878 | priv->missing_tiles = g_hash_table_new (g_str_hash, g_str_equal); | ||
1879 | |||
1880 | /* memory cache for most recently used tiles */ | ||
1881 | priv->tile_cache = g_hash_table_new_full (g_str_hash, g_str_equal, | ||
1882 | g_free, (GDestroyNotify)cached_tile_free); | ||
1883 | priv->max_tile_cache_size = 20; | ||
1884 | |||
1885 | gtk_widget_add_events (GTK_WIDGET (object), | ||
1886 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | | ||
1887 | GDK_POINTER_MOTION_MASK | | ||
1888 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); | ||
1889 | GTK_WIDGET_SET_FLAGS (object, GTK_CAN_FOCUS); | ||
1890 | |||
1891 | g_log_set_handler (G_LOG_DOMAIN, G_LOG_LEVEL_MASK, my_log_handler, NULL); | ||
1892 | } | ||
1893 | |||
1894 | #ifndef G_CHECKSUM_MD5 | ||
1895 | /* simple hash algorithm hack if md5 is not present */ | ||
1896 | static char *simple_hash(char *str) { | ||
1897 | union { | ||
1898 | char str[4]; | ||
1899 | gulong val; | ||
1900 | } hash = { .val = 0x55555555 }; | ||
1901 | |||
1902 | while(*str) { | ||
1903 | hash.str[(int)str & 3] ^= *str; | ||
1904 | str++; | ||
1905 | } | ||
1906 | return g_strdup_printf("%08lX", hash.val); | ||
1907 | } | ||
1908 | #endif | ||
1909 | |||
1910 | static GObject * | ||
1911 | osm_gps_map_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties) | ||
1912 | { | ||
1913 | GObject *object; | ||
1914 | OsmGpsMapPrivate *priv; | ||
1915 | harbaum | 55 | OsmGpsMap *map; |
1916 | const char *uri; | ||
1917 | harbaum | 32 | |
1918 | //Always chain up to the parent constructor | ||
1919 | object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties); | ||
1920 | harbaum | 55 | map = OSM_GPS_MAP(object); |
1921 | harbaum | 32 | priv = OSM_GPS_MAP_PRIVATE(object); |
1922 | |||
1923 | harbaum | 55 | //user can specify a map source ID, or a repo URI as the map source |
1924 | uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL); | ||
1925 | if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) { | ||
1926 | g_debug("Using null source"); | ||
1927 | priv->map_source = OSM_GPS_MAP_SOURCE_NULL; | ||
1928 | |||
1929 | priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256); | ||
1930 | gdk_pixbuf_fill(priv->null_tile, 0xcccccc00); | ||
1931 | } | ||
1932 | else if (priv->map_source >= 0) { | ||
1933 | //check if the source given is valid | ||
1934 | uri = osm_gps_map_source_get_repo_uri(priv->map_source); | ||
1935 | if (uri) { | ||
1936 | g_debug("Setting map source from ID"); | ||
1937 | g_free(priv->repo_uri); | ||
1938 | |||
1939 | priv->repo_uri = g_strdup(uri); | ||
1940 | priv->image_format = g_strdup( | ||
1941 | osm_gps_map_source_get_image_format(priv->map_source)); | ||
1942 | priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source); | ||
1943 | priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source); | ||
1944 | } | ||
1945 | } | ||
1946 | |||
1947 | harbaum | 32 | if (!priv->cache_dir_is_full_path) { |
1948 | #ifdef G_CHECKSUM_MD5 | ||
1949 | char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1); | ||
1950 | #else | ||
1951 | char *md5 = simple_hash(priv->repo_uri); | ||
1952 | #endif | ||
1953 | |||
1954 | if (priv->cache_dir) { | ||
1955 | char *old = priv->cache_dir; | ||
1956 | //the new cachedir is the given cache dir + the md5 of the repo_uri | ||
1957 | harbaum | 55 | priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5); |
1958 | harbaum | 32 | g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir); |
1959 | g_free(old); | ||
1960 | harbaum | 55 | } else { |
1961 | //the new cachedir is the current dir + the md5 of the repo_uri | ||
1962 | priv->cache_dir = g_strdup(md5); | ||
1963 | harbaum | 32 | } |
1964 | |||
1965 | g_free(md5); | ||
1966 | } | ||
1967 | |||
1968 | harbaum | 55 | inspect_map_uri(map); |
1969 | |||
1970 | harbaum | 32 | return object; |
1971 | } | ||
1972 | |||
1973 | static void | ||
1974 | osm_gps_map_dispose (GObject *object) | ||
1975 | { | ||
1976 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
1977 | OsmGpsMapPrivate *priv = map->priv; | ||
1978 | |||
1979 | if (priv->is_disposed) | ||
1980 | return; | ||
1981 | |||
1982 | priv->is_disposed = TRUE; | ||
1983 | |||
1984 | soup_session_abort(priv->soup_session); | ||
1985 | g_object_unref(priv->soup_session); | ||
1986 | |||
1987 | g_hash_table_destroy(priv->tile_queue); | ||
1988 | g_hash_table_destroy(priv->missing_tiles); | ||
1989 | g_hash_table_destroy(priv->tile_cache); | ||
1990 | |||
1991 | osm_gps_map_free_images(map); | ||
1992 | |||
1993 | if(priv->pixmap) | ||
1994 | g_object_unref (priv->pixmap); | ||
1995 | |||
1996 | harbaum | 55 | if (priv->null_tile) |
1997 | g_object_unref (priv->null_tile); | ||
1998 | |||
1999 | harbaum | 32 | if(priv->gc_map) |
2000 | g_object_unref(priv->gc_map); | ||
2001 | |||
2002 | if (priv->idle_map_redraw != 0) | ||
2003 | g_source_remove (priv->idle_map_redraw); | ||
2004 | |||
2005 | harbaum | 57 | g_free(priv->gps); |
2006 | harbaum | 65 | |
2007 | #ifdef ENABLE_BALLOON | ||
2008 | harbaum | 58 | g_free(priv->balloon.coo); |
2009 | harbaum | 65 | #endif |
2010 | harbaum | 57 | |
2011 | harbaum | 61 | #ifdef ENABLE_OSD |
2012 | if (priv->osd.backup) | ||
2013 | g_object_unref(priv->osd.backup); | ||
2014 | harbaum | 67 | |
2015 | if (priv->osd.overlay) | ||
2016 | cairo_surface_destroy(priv->osd.overlay); | ||
2017 | harbaum | 61 | #endif |
2018 | |||
2019 | harbaum | 32 | G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
2020 | } | ||
2021 | |||
2022 | static void | ||
2023 | osm_gps_map_finalize (GObject *object) | ||
2024 | { | ||
2025 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
2026 | OsmGpsMapPrivate *priv = map->priv; | ||
2027 | |||
2028 | g_free(priv->cache_dir); | ||
2029 | g_free(priv->repo_uri); | ||
2030 | harbaum | 55 | g_free(priv->image_format); |
2031 | harbaum | 32 | |
2032 | osm_gps_map_free_trip(map); | ||
2033 | osm_gps_map_free_tracks(map); | ||
2034 | |||
2035 | G_OBJECT_CLASS (osm_gps_map_parent_class)->finalize (object); | ||
2036 | } | ||
2037 | |||
2038 | static void | ||
2039 | osm_gps_map_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) | ||
2040 | { | ||
2041 | g_return_if_fail (OSM_IS_GPS_MAP (object)); | ||
2042 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
2043 | OsmGpsMapPrivate *priv = map->priv; | ||
2044 | |||
2045 | switch (prop_id) | ||
2046 | { | ||
2047 | case PROP_AUTO_CENTER: | ||
2048 | priv->map_auto_center = g_value_get_boolean (value); | ||
2049 | break; | ||
2050 | case PROP_RECORD_TRIP_HISTORY: | ||
2051 | priv->record_trip_history = g_value_get_boolean (value); | ||
2052 | break; | ||
2053 | case PROP_SHOW_TRIP_HISTORY: | ||
2054 | priv->show_trip_history = g_value_get_boolean (value); | ||
2055 | break; | ||
2056 | case PROP_AUTO_DOWNLOAD: | ||
2057 | priv->map_auto_download = g_value_get_boolean (value); | ||
2058 | break; | ||
2059 | case PROP_REPO_URI: | ||
2060 | priv->repo_uri = g_value_dup_string (value); | ||
2061 | break; | ||
2062 | case PROP_PROXY_URI: | ||
2063 | if ( g_value_get_string(value) ) { | ||
2064 | priv->proxy_uri = g_value_dup_string (value); | ||
2065 | g_debug("Setting proxy server: %s", priv->proxy_uri); | ||
2066 | harbaum | 55 | |
2067 | harbaum | 32 | #ifndef LIBSOUP22 |
2068 | GValue val = {0}; | ||
2069 | harbaum | 55 | |
2070 | harbaum | 32 | SoupURI* uri = soup_uri_new(priv->proxy_uri); |
2071 | g_value_init(&val, SOUP_TYPE_URI); | ||
2072 | g_value_take_boxed(&val, uri); | ||
2073 | |||
2074 | g_object_set_property(G_OBJECT(priv->soup_session),SOUP_SESSION_PROXY_URI,&val); | ||
2075 | #else | ||
2076 | SoupUri* uri = soup_uri_new(priv->proxy_uri); | ||
2077 | g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL); | ||
2078 | #endif | ||
2079 | } else | ||
2080 | priv->proxy_uri = NULL; | ||
2081 | |||
2082 | break; | ||
2083 | case PROP_TILE_CACHE_DIR: | ||
2084 | harbaum | 55 | if ( g_value_get_string(value) ) |
2085 | priv->cache_dir = g_value_dup_string (value); | ||
2086 | harbaum | 32 | break; |
2087 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: | ||
2088 | priv->cache_dir_is_full_path = g_value_get_boolean (value); | ||
2089 | break; | ||
2090 | case PROP_ZOOM: | ||
2091 | priv->map_zoom = g_value_get_int (value); | ||
2092 | break; | ||
2093 | case PROP_MAX_ZOOM: | ||
2094 | priv->max_zoom = g_value_get_int (value); | ||
2095 | break; | ||
2096 | case PROP_MIN_ZOOM: | ||
2097 | priv->min_zoom = g_value_get_int (value); | ||
2098 | break; | ||
2099 | case PROP_MAP_X: | ||
2100 | priv->map_x = g_value_get_int (value); | ||
2101 | priv->center_coord_set = FALSE; | ||
2102 | break; | ||
2103 | case PROP_MAP_Y: | ||
2104 | priv->map_y = g_value_get_int (value); | ||
2105 | priv->center_coord_set = FALSE; | ||
2106 | break; | ||
2107 | case PROP_GPS_TRACK_WIDTH: | ||
2108 | priv->ui_gps_track_width = g_value_get_int (value); | ||
2109 | break; | ||
2110 | case PROP_GPS_POINT_R1: | ||
2111 | priv->ui_gps_point_inner_radius = g_value_get_int (value); | ||
2112 | break; | ||
2113 | case PROP_GPS_POINT_R2: | ||
2114 | priv->ui_gps_point_outer_radius = g_value_get_int (value); | ||
2115 | break; | ||
2116 | harbaum | 55 | case PROP_MAP_SOURCE: |
2117 | priv->map_source = g_value_get_int (value); | ||
2118 | break; | ||
2119 | case PROP_IMAGE_FORMAT: | ||
2120 | priv->image_format = g_value_dup_string (value); | ||
2121 | break; | ||
2122 | harbaum | 32 | default: |
2123 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
2124 | break; | ||
2125 | } | ||
2126 | } | ||
2127 | |||
2128 | static void | ||
2129 | osm_gps_map_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) | ||
2130 | { | ||
2131 | g_return_if_fail (OSM_IS_GPS_MAP (object)); | ||
2132 | float lat,lon; | ||
2133 | OsmGpsMap *map = OSM_GPS_MAP(object); | ||
2134 | OsmGpsMapPrivate *priv = map->priv; | ||
2135 | |||
2136 | switch (prop_id) | ||
2137 | { | ||
2138 | case PROP_AUTO_CENTER: | ||
2139 | g_value_set_boolean(value, priv->map_auto_center); | ||
2140 | break; | ||
2141 | case PROP_RECORD_TRIP_HISTORY: | ||
2142 | g_value_set_boolean(value, priv->record_trip_history); | ||
2143 | break; | ||
2144 | case PROP_SHOW_TRIP_HISTORY: | ||
2145 | g_value_set_boolean(value, priv->show_trip_history); | ||
2146 | break; | ||
2147 | case PROP_AUTO_DOWNLOAD: | ||
2148 | g_value_set_boolean(value, priv->map_auto_download); | ||
2149 | break; | ||
2150 | case PROP_REPO_URI: | ||
2151 | g_value_set_string(value, priv->repo_uri); | ||
2152 | break; | ||
2153 | case PROP_PROXY_URI: | ||
2154 | g_value_set_string(value, priv->proxy_uri); | ||
2155 | break; | ||
2156 | case PROP_TILE_CACHE_DIR: | ||
2157 | g_value_set_string(value, priv->cache_dir); | ||
2158 | break; | ||
2159 | case PROP_TILE_CACHE_DIR_IS_FULL_PATH: | ||
2160 | g_value_set_boolean(value, priv->cache_dir_is_full_path); | ||
2161 | break; | ||
2162 | case PROP_ZOOM: | ||
2163 | g_value_set_int(value, priv->map_zoom); | ||
2164 | break; | ||
2165 | case PROP_MAX_ZOOM: | ||
2166 | g_value_set_int(value, priv->max_zoom); | ||
2167 | break; | ||
2168 | case PROP_MIN_ZOOM: | ||
2169 | g_value_set_int(value, priv->min_zoom); | ||
2170 | break; | ||
2171 | case PROP_LATITUDE: | ||
2172 | lat = pixel2lat(priv->map_zoom, | ||
2173 | priv->map_y + (GTK_WIDGET(map)->allocation.height / 2)); | ||
2174 | g_value_set_float(value, rad2deg(lat)); | ||
2175 | break; | ||
2176 | case PROP_LONGITUDE: | ||
2177 | lon = pixel2lon(priv->map_zoom, | ||
2178 | priv->map_x + (GTK_WIDGET(map)->allocation.width / 2)); | ||
2179 | g_value_set_float(value, rad2deg(lon)); | ||
2180 | break; | ||
2181 | case PROP_MAP_X: | ||
2182 | g_value_set_int(value, priv->map_x); | ||
2183 | break; | ||
2184 | case PROP_MAP_Y: | ||
2185 | g_value_set_int(value, priv->map_y); | ||
2186 | break; | ||
2187 | case PROP_TILES_QUEUED: | ||
2188 | g_value_set_int(value, g_hash_table_size(priv->tile_queue)); | ||
2189 | break; | ||
2190 | case PROP_GPS_TRACK_WIDTH: | ||
2191 | g_value_set_int(value, priv->ui_gps_track_width); | ||
2192 | break; | ||
2193 | case PROP_GPS_POINT_R1: | ||
2194 | g_value_set_int(value, priv->ui_gps_point_inner_radius); | ||
2195 | break; | ||
2196 | case PROP_GPS_POINT_R2: | ||
2197 | g_value_set_int(value, priv->ui_gps_point_outer_radius); | ||
2198 | break; | ||
2199 | harbaum | 55 | case PROP_MAP_SOURCE: |
2200 | g_value_set_int(value, priv->map_source); | ||
2201 | break; | ||
2202 | case PROP_IMAGE_FORMAT: | ||
2203 | g_value_set_string(value, priv->image_format); | ||
2204 | break; | ||
2205 | harbaum | 32 | default: |
2206 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); | ||
2207 | break; | ||
2208 | } | ||
2209 | } | ||
2210 | |||
2211 | static gboolean | ||
2212 | harbaum | 55 | osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll *event) |
2213 | harbaum | 32 | { |
2214 | OsmGpsMap *map = OSM_GPS_MAP(widget); | ||
2215 | OsmGpsMapPrivate *priv = map->priv; | ||
2216 | |||
2217 | if (event->direction == GDK_SCROLL_UP) | ||
2218 | { | ||
2219 | osm_gps_map_set_zoom(map, priv->map_zoom+1); | ||
2220 | } | ||
2221 | else | ||
2222 | { | ||
2223 | osm_gps_map_set_zoom(map, priv->map_zoom-1); | ||
2224 | } | ||
2225 | |||
2226 | return FALSE; | ||
2227 | } | ||
2228 | |||
2229 | static gboolean | ||
2230 | osm_gps_map_button_press (GtkWidget *widget, GdkEventButton *event) | ||
2231 | { | ||
2232 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2233 | |||
2234 | harbaum | 65 | #ifdef ENABLE_BALLOON |
2235 | harbaum | 58 | /* don't drag if the user clicked within the balloon */ |
2236 | if (osm_gps_map_in_balloon(priv, | ||
2237 | event->x + EXTRA_BORDER, | ||
2238 | event->y + EXTRA_BORDER)) | ||
2239 | { | ||
2240 | priv->drag_counter = -1; | ||
2241 | return FALSE; | ||
2242 | } | ||
2243 | harbaum | 65 | #endif |
2244 | harbaum | 58 | |
2245 | harbaum | 63 | #ifdef ENABLE_OSD |
2246 | harbaum | 66 | #define SCROLL_STEP 10 |
2247 | harbaum | 63 | |
2248 | harbaum | 66 | /* pressed inside OSD control? */ |
2249 | harbaum | 63 | osd_button_t but = osm_gps_map_osd_check(event->x, event->y); |
2250 | if(but != OSD_NONE) | ||
2251 | { | ||
2252 | harbaum | 66 | priv->drag_counter = -1; |
2253 | |||
2254 | harbaum | 63 | switch(but) { |
2255 | harbaum | 66 | case OSD_GPS: |
2256 | priv->osd.cb(priv->osd.data); | ||
2257 | break; | ||
2258 | |||
2259 | harbaum | 63 | case OSD_UP: |
2260 | harbaum | 66 | priv->map_y -= GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; |
2261 | harbaum | 63 | priv->center_coord_set = FALSE; |
2262 | break; | ||
2263 | |||
2264 | case OSD_DOWN: | ||
2265 | harbaum | 66 | priv->map_y += GTK_WIDGET(widget)->allocation.height/SCROLL_STEP; |
2266 | harbaum | 63 | priv->center_coord_set = FALSE; |
2267 | break; | ||
2268 | |||
2269 | case OSD_LEFT: | ||
2270 | harbaum | 66 | priv->map_x -= GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; |
2271 | harbaum | 63 | priv->center_coord_set = FALSE; |
2272 | break; | ||
2273 | |||
2274 | case OSD_RIGHT: | ||
2275 | harbaum | 66 | priv->map_x += GTK_WIDGET(widget)->allocation.width/SCROLL_STEP; |
2276 | harbaum | 63 | priv->center_coord_set = FALSE; |
2277 | break; | ||
2278 | |||
2279 | case OSD_IN: | ||
2280 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom+1); | ||
2281 | break; | ||
2282 | |||
2283 | case OSD_OUT: | ||
2284 | osm_gps_map_set_zoom(OSM_GPS_MAP(widget), priv->map_zoom-1); | ||
2285 | break; | ||
2286 | |||
2287 | default: | ||
2288 | break; | ||
2289 | } | ||
2290 | |||
2291 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); | ||
2292 | |||
2293 | return FALSE; | ||
2294 | } | ||
2295 | #endif | ||
2296 | |||
2297 | harbaum | 66 | priv->drag_counter = 0; |
2298 | priv->drag_start_mouse_x = (int) event->x; | ||
2299 | priv->drag_start_mouse_y = (int) event->y; | ||
2300 | priv->drag_start_map_x = priv->map_x; | ||
2301 | priv->drag_start_map_y = priv->map_y; | ||
2302 | |||
2303 | return FALSE; | ||
2304 | } | ||
2305 | |||
2306 | static gboolean | ||
2307 | osm_gps_map_button_release (GtkWidget *widget, GdkEventButton *event) | ||
2308 | { | ||
2309 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2310 | |||
2311 | harbaum | 65 | #ifdef ENABLE_BALLOON |
2312 | harbaum | 58 | /* released inside the balloon? */ |
2313 | if (osm_gps_map_in_balloon(priv, | ||
2314 | event->x + EXTRA_BORDER, | ||
2315 | event->y + EXTRA_BORDER)) | ||
2316 | { | ||
2317 | osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), | ||
2318 | event->x - priv->balloon.rect.x + EXTRA_BORDER, | ||
2319 | event->y - priv->balloon.rect.y + EXTRA_BORDER); | ||
2320 | } | ||
2321 | harbaum | 65 | #endif |
2322 | harbaum | 58 | |
2323 | harbaum | 32 | if (priv->dragging) |
2324 | { | ||
2325 | priv->dragging = FALSE; | ||
2326 | |||
2327 | priv->map_x = priv->drag_start_map_x; | ||
2328 | priv->map_y = priv->drag_start_map_y; | ||
2329 | |||
2330 | priv->map_x += (priv->drag_start_mouse_x - (int) event->x); | ||
2331 | priv->map_y += (priv->drag_start_mouse_y - (int) event->y); | ||
2332 | |||
2333 | priv->center_coord_set = FALSE; | ||
2334 | |||
2335 | osm_gps_map_map_redraw_idle(OSM_GPS_MAP(widget)); | ||
2336 | } | ||
2337 | |||
2338 | priv->drag_mouse_dx = 0; | ||
2339 | priv->drag_mouse_dy = 0; | ||
2340 | harbaum | 58 | priv->drag_counter = -1; |
2341 | harbaum | 32 | |
2342 | return FALSE; | ||
2343 | } | ||
2344 | |||
2345 | static gboolean | ||
2346 | osm_gps_map_motion_notify (GtkWidget *widget, GdkEventMotion *event) | ||
2347 | { | ||
2348 | int x, y; | ||
2349 | GdkModifierType state; | ||
2350 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2351 | |||
2352 | if (event->is_hint) | ||
2353 | gdk_window_get_pointer (event->window, &x, &y, &state); | ||
2354 | else | ||
2355 | { | ||
2356 | x = event->x; | ||
2357 | y = event->y; | ||
2358 | state = event->state; | ||
2359 | } | ||
2360 | |||
2361 | // are we being dragged | ||
2362 | if (!(state & GDK_BUTTON1_MASK)) | ||
2363 | return FALSE; | ||
2364 | |||
2365 | harbaum | 58 | if (priv->drag_counter < 0) |
2366 | return FALSE; | ||
2367 | |||
2368 | harbaum | 32 | priv->drag_counter++; |
2369 | |||
2370 | // we havent dragged more than 6 pixels | ||
2371 | if (priv->drag_counter < 6) | ||
2372 | return FALSE; | ||
2373 | |||
2374 | priv->dragging = TRUE; | ||
2375 | |||
2376 | if (priv->map_auto_center) | ||
2377 | g_object_set(G_OBJECT(widget), "auto-center", FALSE, NULL); | ||
2378 | |||
2379 | priv->drag_mouse_dx = x - priv->drag_start_mouse_x; | ||
2380 | priv->drag_mouse_dy = y - priv->drag_start_mouse_y; | ||
2381 | |||
2382 | harbaum | 61 | #ifdef ENABLE_OSD |
2383 | /* undo OSD */ | ||
2384 | osm_gps_map_osd_restore (OSM_GPS_MAP(widget)); | ||
2385 | |||
2386 | /* draw new OSD */ | ||
2387 | harbaum | 63 | osm_gps_map_osd_draw_controls (OSM_GPS_MAP(widget), |
2388 | harbaum | 61 | -priv->drag_mouse_dx, |
2389 | -priv->drag_mouse_dy); | ||
2390 | #endif | ||
2391 | |||
2392 | harbaum | 32 | gdk_draw_drawable ( |
2393 | widget->window, | ||
2394 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
2395 | priv->pixmap, | ||
2396 | 0,0, | ||
2397 | priv->drag_mouse_dx - EXTRA_BORDER, priv->drag_mouse_dy - EXTRA_BORDER, | ||
2398 | -1,-1); | ||
2399 | |||
2400 | //Paint white outside of the map if dragging. Its less | ||
2401 | //ugly than painting the corrupted map | ||
2402 | if(priv->drag_mouse_dx>EXTRA_BORDER) { | ||
2403 | gdk_draw_rectangle ( | ||
2404 | widget->window, | ||
2405 | widget->style->white_gc, | ||
2406 | TRUE, | ||
2407 | 0, 0, | ||
2408 | priv->drag_mouse_dx - EXTRA_BORDER, | ||
2409 | widget->allocation.height); | ||
2410 | } | ||
2411 | else if (-priv->drag_mouse_dx > EXTRA_BORDER) | ||
2412 | { | ||
2413 | gdk_draw_rectangle ( | ||
2414 | widget->window, | ||
2415 | widget->style->white_gc, | ||
2416 | TRUE, | ||
2417 | priv->drag_mouse_dx + widget->allocation.width + EXTRA_BORDER, 0, | ||
2418 | -priv->drag_mouse_dx - EXTRA_BORDER, | ||
2419 | widget->allocation.height); | ||
2420 | } | ||
2421 | |||
2422 | if (priv->drag_mouse_dy>EXTRA_BORDER) { | ||
2423 | gdk_draw_rectangle ( | ||
2424 | widget->window, | ||
2425 | widget->style->white_gc, | ||
2426 | TRUE, | ||
2427 | 0, 0, | ||
2428 | widget->allocation.width, | ||
2429 | priv->drag_mouse_dy - EXTRA_BORDER); | ||
2430 | } | ||
2431 | else if (-priv->drag_mouse_dy > EXTRA_BORDER) | ||
2432 | { | ||
2433 | gdk_draw_rectangle ( | ||
2434 | widget->window, | ||
2435 | widget->style->white_gc, | ||
2436 | TRUE, | ||
2437 | 0, priv->drag_mouse_dy + widget->allocation.height + EXTRA_BORDER, | ||
2438 | widget->allocation.width, | ||
2439 | -priv->drag_mouse_dy - EXTRA_BORDER); | ||
2440 | } | ||
2441 | |||
2442 | return FALSE; | ||
2443 | } | ||
2444 | |||
2445 | static gboolean | ||
2446 | osm_gps_map_configure (GtkWidget *widget, GdkEventConfigure *event) | ||
2447 | { | ||
2448 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2449 | |||
2450 | /* create pixmap */ | ||
2451 | if (priv->pixmap) | ||
2452 | g_object_unref (priv->pixmap); | ||
2453 | |||
2454 | priv->pixmap = gdk_pixmap_new ( | ||
2455 | widget->window, | ||
2456 | widget->allocation.width + EXTRA_BORDER * 2, | ||
2457 | widget->allocation.height + EXTRA_BORDER * 2, | ||
2458 | -1); | ||
2459 | |||
2460 | /* and gc, used for clipping (I think......) */ | ||
2461 | if(priv->gc_map) | ||
2462 | g_object_unref(priv->gc_map); | ||
2463 | |||
2464 | priv->gc_map = gdk_gc_new(priv->pixmap); | ||
2465 | |||
2466 | osm_gps_map_map_redraw(OSM_GPS_MAP(widget)); | ||
2467 | |||
2468 | return FALSE; | ||
2469 | } | ||
2470 | |||
2471 | static gboolean | ||
2472 | osm_gps_map_expose (GtkWidget *widget, GdkEventExpose *event) | ||
2473 | { | ||
2474 | OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); | ||
2475 | |||
2476 | gdk_draw_drawable ( | ||
2477 | widget->window, | ||
2478 | widget->style->fg_gc[GTK_WIDGET_STATE (widget)], | ||
2479 | priv->pixmap, | ||
2480 | harbaum | 58 | event->area.x + EXTRA_BORDER, |
2481 | event->area.y + EXTRA_BORDER, | ||
2482 | harbaum | 32 | event->area.x, event->area.y, |
2483 | event->area.width, event->area.height); | ||
2484 | |||
2485 | return FALSE; | ||
2486 | } | ||
2487 | |||
2488 | static void | ||
2489 | osm_gps_map_class_init (OsmGpsMapClass *klass) | ||
2490 | { | ||
2491 | GObjectClass* object_class = G_OBJECT_CLASS (klass); | ||
2492 | GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); | ||
2493 | |||
2494 | g_type_class_add_private (klass, sizeof (OsmGpsMapPrivate)); | ||
2495 | |||
2496 | object_class->dispose = osm_gps_map_dispose; | ||
2497 | object_class->finalize = osm_gps_map_finalize; | ||
2498 | object_class->constructor = osm_gps_map_constructor; | ||
2499 | object_class->set_property = osm_gps_map_set_property; | ||
2500 | object_class->get_property = osm_gps_map_get_property; | ||
2501 | |||
2502 | widget_class->expose_event = osm_gps_map_expose; | ||
2503 | widget_class->configure_event = osm_gps_map_configure; | ||
2504 | widget_class->button_press_event = osm_gps_map_button_press; | ||
2505 | widget_class->button_release_event = osm_gps_map_button_release; | ||
2506 | widget_class->motion_notify_event = osm_gps_map_motion_notify; | ||
2507 | harbaum | 55 | widget_class->scroll_event = osm_gps_map_scroll_event; |
2508 | harbaum | 32 | |
2509 | g_object_class_install_property (object_class, | ||
2510 | PROP_AUTO_CENTER, | ||
2511 | g_param_spec_boolean ("auto-center", | ||
2512 | "auto center", | ||
2513 | "map auto center", | ||
2514 | TRUE, | ||
2515 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2516 | |||
2517 | g_object_class_install_property (object_class, | ||
2518 | PROP_RECORD_TRIP_HISTORY, | ||
2519 | g_param_spec_boolean ("record-trip-history", | ||
2520 | "record trip history", | ||
2521 | "should all gps points be recorded in a trip history", | ||
2522 | TRUE, | ||
2523 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2524 | |||
2525 | g_object_class_install_property (object_class, | ||
2526 | PROP_SHOW_TRIP_HISTORY, | ||
2527 | g_param_spec_boolean ("show-trip-history", | ||
2528 | "show trip history", | ||
2529 | "should the recorded trip history be shown on the map", | ||
2530 | TRUE, | ||
2531 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2532 | |||
2533 | g_object_class_install_property (object_class, | ||
2534 | PROP_AUTO_DOWNLOAD, | ||
2535 | g_param_spec_boolean ("auto-download", | ||
2536 | "auto download", | ||
2537 | "map auto download", | ||
2538 | TRUE, | ||
2539 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2540 | |||
2541 | g_object_class_install_property (object_class, | ||
2542 | PROP_REPO_URI, | ||
2543 | g_param_spec_string ("repo-uri", | ||
2544 | "repo uri", | ||
2545 | harbaum | 55 | "map source tile repository uri", |
2546 | OSM_REPO_URI, | ||
2547 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2548 | |||
2549 | harbaum | 55 | g_object_class_install_property (object_class, |
2550 | harbaum | 32 | PROP_PROXY_URI, |
2551 | g_param_spec_string ("proxy-uri", | ||
2552 | "proxy uri", | ||
2553 | "http proxy uri on NULL", | ||
2554 | NULL, | ||
2555 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2556 | |||
2557 | g_object_class_install_property (object_class, | ||
2558 | PROP_TILE_CACHE_DIR, | ||
2559 | g_param_spec_string ("tile-cache", | ||
2560 | "tile cache", | ||
2561 | "osm local tile cache dir", | ||
2562 | harbaum | 55 | NULL, |
2563 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2564 | |||
2565 | g_object_class_install_property (object_class, | ||
2566 | PROP_TILE_CACHE_DIR_IS_FULL_PATH, | ||
2567 | g_param_spec_boolean ("tile-cache-is-full-path", | ||
2568 | "tile cache is full path", | ||
2569 | "if true, the path passed to tile-cache is interpreted as the full cache path", | ||
2570 | FALSE, | ||
2571 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2572 | |||
2573 | g_object_class_install_property (object_class, | ||
2574 | PROP_ZOOM, | ||
2575 | g_param_spec_int ("zoom", | ||
2576 | "zoom", | ||
2577 | "zoom level", | ||
2578 | MIN_ZOOM, /* minimum property value */ | ||
2579 | MAX_ZOOM, /* maximum property value */ | ||
2580 | 3, | ||
2581 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2582 | |||
2583 | g_object_class_install_property (object_class, | ||
2584 | PROP_MAX_ZOOM, | ||
2585 | g_param_spec_int ("max-zoom", | ||
2586 | "max zoom", | ||
2587 | "maximum zoom level", | ||
2588 | MIN_ZOOM, /* minimum property value */ | ||
2589 | MAX_ZOOM, /* maximum property value */ | ||
2590 | harbaum | 55 | OSM_MAX_ZOOM, |
2591 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2592 | |||
2593 | g_object_class_install_property (object_class, | ||
2594 | PROP_MIN_ZOOM, | ||
2595 | g_param_spec_int ("min-zoom", | ||
2596 | "min zoom", | ||
2597 | "minimum zoom level", | ||
2598 | MIN_ZOOM, /* minimum property value */ | ||
2599 | MAX_ZOOM, /* maximum property value */ | ||
2600 | harbaum | 55 | OSM_MIN_ZOOM, |
2601 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); |
2602 | |||
2603 | g_object_class_install_property (object_class, | ||
2604 | PROP_LATITUDE, | ||
2605 | g_param_spec_float ("latitude", | ||
2606 | "latitude", | ||
2607 | "latitude in degrees", | ||
2608 | -90.0, /* minimum property value */ | ||
2609 | 90.0, /* maximum property value */ | ||
2610 | 0, | ||
2611 | G_PARAM_READABLE)); | ||
2612 | |||
2613 | g_object_class_install_property (object_class, | ||
2614 | PROP_LONGITUDE, | ||
2615 | g_param_spec_float ("longitude", | ||
2616 | "longitude", | ||
2617 | "longitude in degrees", | ||
2618 | -180.0, /* minimum property value */ | ||
2619 | 180.0, /* maximum property value */ | ||
2620 | 0, | ||
2621 | G_PARAM_READABLE)); | ||
2622 | |||
2623 | g_object_class_install_property (object_class, | ||
2624 | PROP_MAP_X, | ||
2625 | g_param_spec_int ("map-x", | ||
2626 | "map-x", | ||
2627 | "initial map x location", | ||
2628 | G_MININT, /* minimum property value */ | ||
2629 | G_MAXINT, /* maximum property value */ | ||
2630 | 890, | ||
2631 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2632 | |||
2633 | g_object_class_install_property (object_class, | ||
2634 | PROP_MAP_Y, | ||
2635 | g_param_spec_int ("map-y", | ||
2636 | "map-y", | ||
2637 | "initial map y location", | ||
2638 | G_MININT, /* minimum property value */ | ||
2639 | G_MAXINT, /* maximum property value */ | ||
2640 | 515, | ||
2641 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2642 | |||
2643 | g_object_class_install_property (object_class, | ||
2644 | PROP_TILES_QUEUED, | ||
2645 | g_param_spec_int ("tiles-queued", | ||
2646 | "tiles-queued", | ||
2647 | "number of tiles currently waiting to download", | ||
2648 | G_MININT, /* minimum property value */ | ||
2649 | G_MAXINT, /* maximum property value */ | ||
2650 | 0, | ||
2651 | G_PARAM_READABLE)); | ||
2652 | |||
2653 | g_object_class_install_property (object_class, | ||
2654 | PROP_GPS_TRACK_WIDTH, | ||
2655 | g_param_spec_int ("gps-track-width", | ||
2656 | "gps-track-width", | ||
2657 | "width of the lines drawn for the gps track", | ||
2658 | 1, /* minimum property value */ | ||
2659 | G_MAXINT, /* maximum property value */ | ||
2660 | 4, | ||
2661 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2662 | |||
2663 | g_object_class_install_property (object_class, | ||
2664 | PROP_GPS_POINT_R1, | ||
2665 | g_param_spec_int ("gps-track-point-radius", | ||
2666 | "gps-track-point-radius", | ||
2667 | "radius of the gps point inner circle", | ||
2668 | 0, /* minimum property value */ | ||
2669 | G_MAXINT, /* maximum property value */ | ||
2670 | harbaum | 66 | 10, |
2671 | harbaum | 32 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); |
2672 | |||
2673 | g_object_class_install_property (object_class, | ||
2674 | PROP_GPS_POINT_R2, | ||
2675 | g_param_spec_int ("gps-track-highlight-radius", | ||
2676 | "gps-track-highlight-radius", | ||
2677 | "radius of the gps point highlight circle", | ||
2678 | 0, /* minimum property value */ | ||
2679 | G_MAXINT, /* maximum property value */ | ||
2680 | 20, | ||
2681 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT)); | ||
2682 | |||
2683 | harbaum | 55 | g_object_class_install_property (object_class, |
2684 | PROP_MAP_SOURCE, | ||
2685 | g_param_spec_int ("map-source", | ||
2686 | "map source", | ||
2687 | "map source ID", | ||
2688 | -1, /* minimum property value */ | ||
2689 | G_MAXINT, /* maximum property value */ | ||
2690 | -1, | ||
2691 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2692 | |||
2693 | g_object_class_install_property (object_class, | ||
2694 | PROP_IMAGE_FORMAT, | ||
2695 | g_param_spec_string ("image-format", | ||
2696 | "image format", | ||
2697 | "map source tile repository image format (jpg, png)", | ||
2698 | OSM_IMAGE_FORMAT, | ||
2699 | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); | ||
2700 | harbaum | 32 | } |
2701 | |||
2702 | harbaum | 55 | const char* |
2703 | osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source) | ||
2704 | { | ||
2705 | switch(source) | ||
2706 | { | ||
2707 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2708 | return "None"; | ||
2709 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2710 | return "OpenStreetMap"; | ||
2711 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2712 | return "OpenStreetMap Renderer"; | ||
2713 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2714 | return "OpenAerialMap"; | ||
2715 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2716 | return "Maps-For-Free"; | ||
2717 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2718 | return "Google Maps"; | ||
2719 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2720 | return "Google Satellite"; | ||
2721 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2722 | return "Google Hybrid"; | ||
2723 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2724 | return "Virtual Earth"; | ||
2725 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2726 | return "Virtual Earth Satellite"; | ||
2727 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2728 | return "Virtual Earth Hybrid"; | ||
2729 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2730 | return "Yahoo Maps"; | ||
2731 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2732 | return "Yahoo Satellite"; | ||
2733 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2734 | return "Yahoo Hybrid"; | ||
2735 | default: | ||
2736 | return NULL; | ||
2737 | } | ||
2738 | return NULL; | ||
2739 | } | ||
2740 | |||
2741 | //http://www.internettablettalk.com/forums/showthread.php?t=5209 | ||
2742 | //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup | ||
2743 | //http://www.ponies.me.uk/maps/GoogleTileUtils.java | ||
2744 | //http://www.mgmaps.com/cache/MapTileCacher.perl | ||
2745 | const char* | ||
2746 | osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source) | ||
2747 | { | ||
2748 | switch(source) | ||
2749 | { | ||
2750 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2751 | return "none://"; | ||
2752 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2753 | return OSM_REPO_URI; | ||
2754 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2755 | return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png"; | ||
2756 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2757 | return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg"; | ||
2758 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2759 | return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg"; | ||
2760 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2761 | return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z"; | ||
2762 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2763 | return "http://khm#R.google.com/kh?n=404&v=3&t=#Q"; | ||
2764 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2765 | return NULL; /* No longer working "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */ | ||
2766 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2767 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50"; | ||
2768 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2769 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50"; | ||
2770 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2771 | return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50"; | ||
2772 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2773 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2774 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2775 | /* TODO: Implement signed Y, aka U | ||
2776 | * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d | ||
2777 | * x = tilex, | ||
2778 | * y = (1 << (MAX_ZOOM - zoom)) - tiley - 1, | ||
2779 | * z = zoom - (MAX_ZOOM - 17)); | ||
2780 | */ | ||
2781 | return NULL; | ||
2782 | default: | ||
2783 | return NULL; | ||
2784 | } | ||
2785 | return NULL; | ||
2786 | } | ||
2787 | |||
2788 | const char * | ||
2789 | osm_gps_map_source_get_image_format(OsmGpsMapSource_t source) | ||
2790 | { | ||
2791 | switch(source) { | ||
2792 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2793 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2794 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2795 | return "png"; | ||
2796 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2797 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2798 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2799 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2800 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2801 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2802 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2803 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2804 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2805 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2806 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2807 | return "jpg"; | ||
2808 | default: | ||
2809 | return "bin"; | ||
2810 | } | ||
2811 | return "bin"; | ||
2812 | } | ||
2813 | |||
2814 | |||
2815 | int | ||
2816 | osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source) | ||
2817 | { | ||
2818 | return 1; | ||
2819 | } | ||
2820 | |||
2821 | int | ||
2822 | osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source) | ||
2823 | { | ||
2824 | switch(source) { | ||
2825 | case OSM_GPS_MAP_SOURCE_NULL: | ||
2826 | return 18; | ||
2827 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP: | ||
2828 | return OSM_MAX_ZOOM; | ||
2829 | case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER: | ||
2830 | case OSM_GPS_MAP_SOURCE_OPENAERIALMAP: | ||
2831 | case OSM_GPS_MAP_SOURCE_GOOGLE_STREET: | ||
2832 | case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID: | ||
2833 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET: | ||
2834 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE: | ||
2835 | case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID: | ||
2836 | case OSM_GPS_MAP_SOURCE_YAHOO_STREET: | ||
2837 | case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE: | ||
2838 | case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID: | ||
2839 | return 17; | ||
2840 | case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE: | ||
2841 | return 11; | ||
2842 | case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE: | ||
2843 | return 18; | ||
2844 | default: | ||
2845 | return 17; | ||
2846 | } | ||
2847 | return 17; | ||
2848 | } | ||
2849 | |||
2850 | harbaum | 32 | void |
2851 | osm_gps_map_download_maps (OsmGpsMap *map, coord_t *pt1, coord_t *pt2, int zoom_start, int zoom_end) | ||
2852 | { | ||
2853 | int i,j,zoom,num_tiles; | ||
2854 | OsmGpsMapPrivate *priv = map->priv; | ||
2855 | |||
2856 | if (pt1 && pt2) | ||
2857 | { | ||
2858 | gchar *filename; | ||
2859 | num_tiles = 0; | ||
2860 | zoom_end = CLAMP(zoom_end, priv->min_zoom, priv->max_zoom); | ||
2861 | g_debug("Download maps: z:%d->%d",zoom_start, zoom_end); | ||
2862 | |||
2863 | for(zoom=zoom_start; zoom<=zoom_end; zoom++) | ||
2864 | { | ||
2865 | int x1,y1,x2,y2; | ||
2866 | |||
2867 | x1 = (int)floor((float)lon2pixel(zoom, pt1->rlon) / (float)TILESIZE); | ||
2868 | y1 = (int)floor((float)lat2pixel(zoom, pt1->rlat) / (float)TILESIZE); | ||
2869 | |||
2870 | x2 = (int)floor((float)lon2pixel(zoom, pt2->rlon) / (float)TILESIZE); | ||
2871 | y2 = (int)floor((float)lat2pixel(zoom, pt2->rlat) / (float)TILESIZE); | ||
2872 | |||
2873 | // loop x1-x2 | ||
2874 | for(i=x1; i<=x2; i++) | ||
2875 | { | ||
2876 | // loop y1 - y2 | ||
2877 | for(j=y1; j<=y2; j++) | ||
2878 | { | ||
2879 | // x = i, y = j | ||
2880 | harbaum | 55 | filename = g_strdup_printf("%s%c%d%c%d%c%d.%s", |
2881 | priv->cache_dir, G_DIR_SEPARATOR, | ||
2882 | zoom, G_DIR_SEPARATOR, | ||
2883 | i, G_DIR_SEPARATOR, | ||
2884 | j, | ||
2885 | priv->image_format); | ||
2886 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) | ||
2887 | harbaum | 32 | { |
2888 | osm_gps_map_download_tile(map, zoom, i, j, FALSE); | ||
2889 | num_tiles++; | ||
2890 | } | ||
2891 | g_free(filename); | ||
2892 | } | ||
2893 | } | ||
2894 | g_debug("DL @Z:%d = %d tiles",zoom,num_tiles); | ||
2895 | } | ||
2896 | } | ||
2897 | } | ||
2898 | |||
2899 | void | ||
2900 | osm_gps_map_get_bbox (OsmGpsMap *map, coord_t *pt1, coord_t *pt2) | ||
2901 | { | ||
2902 | OsmGpsMapPrivate *priv = map->priv; | ||
2903 | |||
2904 | if (pt1 && pt2) { | ||
2905 | pt1->rlat = pixel2lat(priv->map_zoom, priv->map_y); | ||
2906 | pt1->rlon = pixel2lon(priv->map_zoom, priv->map_x); | ||
2907 | pt2->rlat = pixel2lat(priv->map_zoom, priv->map_y + GTK_WIDGET(map)->allocation.height); | ||
2908 | pt2->rlon = pixel2lon(priv->map_zoom, priv->map_x + GTK_WIDGET(map)->allocation.width); | ||
2909 | |||
2910 | g_debug("BBOX: %f %f %f %f", pt1->rlat, pt1->rlon, pt2->rlat, pt2->rlon); | ||
2911 | } | ||
2912 | } | ||
2913 | |||
2914 | void | ||
2915 | osm_gps_map_set_mapcenter (OsmGpsMap *map, float latitude, float longitude, int zoom) | ||
2916 | { | ||
2917 | osm_gps_map_set_center (map, latitude, longitude); | ||
2918 | osm_gps_map_set_zoom (map, zoom); | ||
2919 | } | ||
2920 | |||
2921 | void | ||
2922 | osm_gps_map_set_center (OsmGpsMap *map, float latitude, float longitude) | ||
2923 | { | ||
2924 | int pixel_x, pixel_y; | ||
2925 | OsmGpsMapPrivate *priv; | ||
2926 | |||
2927 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2928 | priv = map->priv; | ||
2929 | |||
2930 | priv->center_rlat = deg2rad(latitude); | ||
2931 | priv->center_rlon = deg2rad(longitude); | ||
2932 | priv->center_coord_set = TRUE; | ||
2933 | |||
2934 | // pixel_x,y, offsets | ||
2935 | pixel_x = lon2pixel(priv->map_zoom, priv->center_rlon); | ||
2936 | pixel_y = lat2pixel(priv->map_zoom, priv->center_rlat); | ||
2937 | |||
2938 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; | ||
2939 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; | ||
2940 | |||
2941 | osm_gps_map_map_redraw_idle(map); | ||
2942 | } | ||
2943 | |||
2944 | int | ||
2945 | osm_gps_map_set_zoom (OsmGpsMap *map, int zoom) | ||
2946 | { | ||
2947 | int zoom_old; | ||
2948 | harbaum | 55 | double factor = 0.0; |
2949 | harbaum | 32 | int width_center, height_center; |
2950 | OsmGpsMapPrivate *priv; | ||
2951 | |||
2952 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), 0); | ||
2953 | priv = map->priv; | ||
2954 | |||
2955 | if (zoom != priv->map_zoom) | ||
2956 | { | ||
2957 | width_center = GTK_WIDGET(map)->allocation.width / 2; | ||
2958 | height_center = GTK_WIDGET(map)->allocation.height / 2; | ||
2959 | |||
2960 | zoom_old = priv->map_zoom; | ||
2961 | //constrain zoom min_zoom -> max_zoom | ||
2962 | priv->map_zoom = CLAMP(zoom, priv->min_zoom, priv->max_zoom); | ||
2963 | |||
2964 | if (priv->center_coord_set) | ||
2965 | { | ||
2966 | priv->map_x = lon2pixel(priv->map_zoom, priv->center_rlon) - width_center; | ||
2967 | priv->map_y = lat2pixel(priv->map_zoom, priv->center_rlat) - height_center; | ||
2968 | } | ||
2969 | else | ||
2970 | { | ||
2971 | factor = exp(priv->map_zoom * M_LN2)/exp(zoom_old * M_LN2); | ||
2972 | priv->map_x = ((priv->map_x + width_center) * factor) - width_center; | ||
2973 | priv->map_y = ((priv->map_y + height_center) * factor) - height_center; | ||
2974 | } | ||
2975 | |||
2976 | g_debug("Zoom changed from %d to %d factor:%f x:%d", | ||
2977 | zoom_old, priv->map_zoom, factor, priv->map_x); | ||
2978 | |||
2979 | osm_gps_map_map_redraw_idle(map); | ||
2980 | } | ||
2981 | return priv->map_zoom; | ||
2982 | } | ||
2983 | |||
2984 | void | ||
2985 | osm_gps_map_add_track (OsmGpsMap *map, GSList *track) | ||
2986 | { | ||
2987 | OsmGpsMapPrivate *priv; | ||
2988 | |||
2989 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
2990 | priv = map->priv; | ||
2991 | |||
2992 | if (track) { | ||
2993 | priv->tracks = g_slist_append(priv->tracks, track); | ||
2994 | osm_gps_map_map_redraw_idle(map); | ||
2995 | } | ||
2996 | } | ||
2997 | |||
2998 | void | ||
2999 | osm_gps_map_clear_tracks (OsmGpsMap *map) | ||
3000 | { | ||
3001 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3002 | |||
3003 | osm_gps_map_free_tracks(map); | ||
3004 | osm_gps_map_map_redraw_idle(map); | ||
3005 | } | ||
3006 | |||
3007 | void | ||
3008 | osm_gps_map_add_image (OsmGpsMap *map, float latitude, float longitude, GdkPixbuf *image) | ||
3009 | { | ||
3010 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3011 | |||
3012 | if (image) { | ||
3013 | OsmGpsMapPrivate *priv = map->priv; | ||
3014 | image_t *im; | ||
3015 | |||
3016 | //cache w/h for speed, and add image to list | ||
3017 | im = g_new0(image_t,1); | ||
3018 | im->w = gdk_pixbuf_get_width(image); | ||
3019 | harbaum | 55 | im->h = gdk_pixbuf_get_height(image); |
3020 | harbaum | 32 | im->pt.rlat = deg2rad(latitude); |
3021 | im->pt.rlon = deg2rad(longitude); | ||
3022 | |||
3023 | g_object_ref(image); | ||
3024 | im->image = image; | ||
3025 | |||
3026 | priv->images = g_slist_append(priv->images, im); | ||
3027 | |||
3028 | osm_gps_map_map_redraw_idle(map); | ||
3029 | } | ||
3030 | } | ||
3031 | |||
3032 | harbaum | 55 | gboolean |
3033 | osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image) | ||
3034 | { | ||
3035 | OsmGpsMapPrivate *priv = map->priv; | ||
3036 | if (priv->images) { | ||
3037 | GSList *list; | ||
3038 | for(list = priv->images; list != NULL; list = list->next) | ||
3039 | { | ||
3040 | image_t *im = list->data; | ||
3041 | if (im->image == image) | ||
3042 | { | ||
3043 | priv->images = g_slist_remove_link(priv->images, list); | ||
3044 | g_object_unref(im->image); | ||
3045 | g_free(im); | ||
3046 | osm_gps_map_map_redraw_idle(map); | ||
3047 | return TRUE; | ||
3048 | } | ||
3049 | } | ||
3050 | } | ||
3051 | return FALSE; | ||
3052 | } | ||
3053 | |||
3054 | harbaum | 32 | void |
3055 | osm_gps_map_clear_images (OsmGpsMap *map) | ||
3056 | { | ||
3057 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3058 | |||
3059 | osm_gps_map_free_images(map); | ||
3060 | osm_gps_map_map_redraw_idle(map); | ||
3061 | } | ||
3062 | |||
3063 | void | ||
3064 | osm_gps_map_osd_speed (OsmGpsMap *map, float speed) | ||
3065 | { | ||
3066 | OsmGpsMapPrivate *priv; | ||
3067 | |||
3068 | PangoContext *context = NULL; | ||
3069 | PangoLayout *layout = NULL; | ||
3070 | PangoFontDescription *desc = NULL; | ||
3071 | |||
3072 | GdkColor color; | ||
3073 | GdkGC *gc; | ||
3074 | |||
3075 | gchar *buffer; | ||
3076 | //static int x = 10, y = 10; | ||
3077 | static int width = 0, height = 0; | ||
3078 | |||
3079 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3080 | priv = map->priv; | ||
3081 | |||
3082 | buffer = g_strdup_printf("%.0f", speed); | ||
3083 | |||
3084 | /* pango initialisation */ | ||
3085 | context = gtk_widget_get_pango_context (GTK_WIDGET(map)); | ||
3086 | layout = pango_layout_new (context); | ||
3087 | desc = pango_font_description_new(); | ||
3088 | |||
3089 | pango_font_description_set_size (desc, 40 * PANGO_SCALE); | ||
3090 | pango_layout_set_font_description (layout, desc); | ||
3091 | pango_layout_set_text (layout, buffer, strlen(buffer)); | ||
3092 | |||
3093 | gc = gdk_gc_new (GTK_WIDGET(map)->window); | ||
3094 | |||
3095 | color.red = (0 > 50) ? 0xffff : 0; | ||
3096 | color.green = 0; | ||
3097 | color.blue = 0; | ||
3098 | |||
3099 | gdk_gc_set_rgb_fg_color (gc, &color); | ||
3100 | |||
3101 | /* faster / less flicker alternative:*/ | ||
3102 | gdk_draw_drawable ( | ||
3103 | GTK_WIDGET(map)->window, | ||
3104 | GTK_WIDGET(map)->style->fg_gc[GTK_WIDGET_STATE(map)], | ||
3105 | priv->pixmap, | ||
3106 | 0,0, | ||
3107 | 0,0, | ||
3108 | width+10,width+10); | ||
3109 | |||
3110 | gdk_draw_layout(GTK_WIDGET(map)->window, | ||
3111 | gc, | ||
3112 | 0, 0, | ||
3113 | layout); | ||
3114 | |||
3115 | /* set width and height */ | ||
3116 | pango_layout_get_pixel_size(layout, &width, &height); | ||
3117 | |||
3118 | g_free(buffer); | ||
3119 | pango_font_description_free (desc); | ||
3120 | g_object_unref (layout); | ||
3121 | g_object_unref (gc); | ||
3122 | } | ||
3123 | |||
3124 | void | ||
3125 | osm_gps_map_draw_gps (OsmGpsMap *map, float latitude, float longitude, float heading) | ||
3126 | { | ||
3127 | int pixel_x, pixel_y; | ||
3128 | OsmGpsMapPrivate *priv; | ||
3129 | |||
3130 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3131 | priv = map->priv; | ||
3132 | |||
3133 | priv->gps->rlat = deg2rad(latitude); | ||
3134 | priv->gps->rlon = deg2rad(longitude); | ||
3135 | priv->gps_valid = TRUE; | ||
3136 | |||
3137 | // pixel_x,y, offsets | ||
3138 | pixel_x = lon2pixel(priv->map_zoom, priv->gps->rlon); | ||
3139 | pixel_y = lat2pixel(priv->map_zoom, priv->gps->rlat); | ||
3140 | |||
3141 | //If trip marker add to list of gps points. | ||
3142 | if (priv->record_trip_history) { | ||
3143 | coord_t *tp = g_new0(coord_t,1); | ||
3144 | tp->rlat = priv->gps->rlat; | ||
3145 | tp->rlon = priv->gps->rlon; | ||
3146 | priv->trip_history = g_slist_append(priv->trip_history, tp); | ||
3147 | } | ||
3148 | |||
3149 | // dont draw anything if we are dragging | ||
3150 | if (priv->dragging) { | ||
3151 | g_debug("Dragging"); | ||
3152 | return; | ||
3153 | } | ||
3154 | |||
3155 | //Automatically center the map if the track approaches the edge | ||
3156 | if(priv->map_auto_center) { | ||
3157 | int x = pixel_x - priv->map_x; | ||
3158 | int y = pixel_y - priv->map_y; | ||
3159 | int width = GTK_WIDGET(map)->allocation.width; | ||
3160 | int height = GTK_WIDGET(map)->allocation.height; | ||
3161 | if( x < (width/2 - width/8) || x > (width/2 + width/8) || | ||
3162 | y < (height/2 - height/8) || y > (height/2 + height/8)) { | ||
3163 | |||
3164 | priv->map_x = pixel_x - GTK_WIDGET(map)->allocation.width/2; | ||
3165 | priv->map_y = pixel_y - GTK_WIDGET(map)->allocation.height/2; | ||
3166 | priv->center_coord_set = FALSE; | ||
3167 | } | ||
3168 | } | ||
3169 | |||
3170 | // this redraws the map (including the gps track, and adjusts the | ||
3171 | // map center if it was changed | ||
3172 | osm_gps_map_map_redraw_idle(map); | ||
3173 | } | ||
3174 | |||
3175 | void | ||
3176 | osm_gps_map_clear_gps (OsmGpsMap *map) | ||
3177 | { | ||
3178 | osm_gps_map_free_trip(map); | ||
3179 | osm_gps_map_map_redraw_idle(map); | ||
3180 | } | ||
3181 | |||
3182 | coord_t | ||
3183 | osm_gps_map_get_co_ordinates (OsmGpsMap *map, int pixel_x, int pixel_y) | ||
3184 | { | ||
3185 | coord_t coord; | ||
3186 | OsmGpsMapPrivate *priv = map->priv; | ||
3187 | |||
3188 | coord.rlat = pixel2lat(priv->map_zoom, priv->map_y + pixel_y); | ||
3189 | coord.rlon = pixel2lon(priv->map_zoom, priv->map_x + pixel_x); | ||
3190 | return coord; | ||
3191 | } | ||
3192 | |||
3193 | GtkWidget * | ||
3194 | osm_gps_map_new (void) | ||
3195 | { | ||
3196 | return g_object_new (OSM_TYPE_GPS_MAP, NULL); | ||
3197 | } | ||
3198 | |||
3199 | void | ||
3200 | osm_gps_map_screen_to_geographic (OsmGpsMap *map, gint pixel_x, gint pixel_y, | ||
3201 | gfloat *latitude, gfloat *longitude) | ||
3202 | { | ||
3203 | OsmGpsMapPrivate *priv; | ||
3204 | |||
3205 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3206 | priv = map->priv; | ||
3207 | |||
3208 | if (latitude) | ||
3209 | *latitude = rad2deg(pixel2lat(priv->map_zoom, priv->map_y + pixel_y)); | ||
3210 | if (longitude) | ||
3211 | *longitude = rad2deg(pixel2lon(priv->map_zoom, priv->map_x + pixel_x)); | ||
3212 | } | ||
3213 | |||
3214 | void | ||
3215 | osm_gps_map_geographic_to_screen (OsmGpsMap *map, | ||
3216 | gfloat latitude, gfloat longitude, | ||
3217 | gint *pixel_x, gint *pixel_y) | ||
3218 | { | ||
3219 | OsmGpsMapPrivate *priv; | ||
3220 | |||
3221 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3222 | priv = map->priv; | ||
3223 | |||
3224 | if (pixel_x) | ||
3225 | *pixel_x = lon2pixel(priv->map_zoom, deg2rad(longitude)) - priv->map_x; | ||
3226 | if (pixel_y) | ||
3227 | *pixel_y = lat2pixel(priv->map_zoom, deg2rad(latitude)) - priv->map_y; | ||
3228 | } | ||
3229 | |||
3230 | void | ||
3231 | osm_gps_map_scroll (OsmGpsMap *map, gint dx, gint dy) | ||
3232 | { | ||
3233 | OsmGpsMapPrivate *priv; | ||
3234 | |||
3235 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3236 | priv = map->priv; | ||
3237 | |||
3238 | priv->center_coord_set = FALSE; | ||
3239 | priv->map_x += dx; | ||
3240 | priv->map_y += dy; | ||
3241 | |||
3242 | osm_gps_map_map_redraw_idle (map); | ||
3243 | } | ||
3244 | |||
3245 | harbaum | 55 | float |
3246 | osm_gps_map_get_scale(OsmGpsMap *map) | ||
3247 | { | ||
3248 | OsmGpsMapPrivate *priv; | ||
3249 | |||
3250 | g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_NAN); | ||
3251 | priv = map->priv; | ||
3252 | |||
3253 | return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); | ||
3254 | } | ||
3255 | |||
3256 | harbaum | 65 | #ifdef ENABLE_BALLOON |
3257 | harbaum | 57 | void |
3258 | harbaum | 58 | osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
3259 | OsmGpsMapBalloonCallback cb, gpointer data) | ||
3260 | harbaum | 57 | { |
3261 | OsmGpsMapPrivate *priv; | ||
3262 | |||
3263 | /* remove and previously installed balloon */ | ||
3264 | osm_gps_map_clear_balloon (map); | ||
3265 | |||
3266 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3267 | priv = map->priv; | ||
3268 | |||
3269 | harbaum | 58 | priv->balloon.coo->rlat = deg2rad(latitude); |
3270 | priv->balloon.coo->rlon = deg2rad(longitude); | ||
3271 | priv->balloon.valid = TRUE; | ||
3272 | harbaum | 57 | |
3273 | harbaum | 58 | priv->balloon.cb = cb; |
3274 | priv->balloon.data = data; | ||
3275 | |||
3276 | harbaum | 57 | // this redraws the map |
3277 | osm_gps_map_map_redraw_idle(map); | ||
3278 | } | ||
3279 | |||
3280 | void | ||
3281 | osm_gps_map_clear_balloon (OsmGpsMap *map) | ||
3282 | { | ||
3283 | OsmGpsMapPrivate *priv; | ||
3284 | |||
3285 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3286 | priv = map->priv; | ||
3287 | |||
3288 | harbaum | 58 | priv->balloon.valid = FALSE; |
3289 | harbaum | 57 | |
3290 | osm_gps_map_map_redraw_idle(map); | ||
3291 | } | ||
3292 | harbaum | 65 | #endif |
3293 | harbaum | 66 | |
3294 | #ifdef ENABLE_OSD | ||
3295 | void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdGpsCallback cb, gpointer data) { | ||
3296 | OsmGpsMapPrivate *priv; | ||
3297 | |||
3298 | g_return_if_fail (OSM_IS_GPS_MAP (map)); | ||
3299 | priv = map->priv; | ||
3300 | |||
3301 | priv->osd.cb = cb; | ||
3302 | priv->osd.data = data; | ||
3303 | |||
3304 | harbaum | 67 | /* this may have changed the state of the gps button */ |
3305 | /* we thus re-render the overlay */ | ||
3306 | osm_gps_map_osd_render(priv); | ||
3307 | |||
3308 | harbaum | 66 | osm_gps_map_map_redraw_idle(map); |
3309 | } | ||
3310 | #endif |