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Finally found and fixed diablo map crash
1 | harbaum | 71 | /* -*- 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 | harbaum | 70 | /* |
4 | * Copyright (C) Till Harbaum 2009 <till@harbaum.org> | ||
5 | * | ||
6 | * osm-gps-map is free software: you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License as published by the | ||
8 | * Free Software Foundation, either version 3 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * osm-gps-map is distributed in the hope that it will be useful, but | ||
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
14 | * See the GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License along | ||
17 | * with this program. If not, see <http://www.gnu.org/licenses/>. | ||
18 | */ | ||
19 | |||
20 | harbaum | 73 | #include "config.h" |
21 | #include <stdlib.h> // abs | ||
22 | harbaum | 124 | #include <string.h> |
23 | harbaum | 87 | #include <math.h> // M_PI/cos() |
24 | harbaum | 70 | |
25 | harbaum | 71 | /* parameters that can be overwritten from the config file: */ |
26 | harbaum | 77 | /* OSD_DIAMETER */ |
27 | /* OSD_X, OSD_Y */ | ||
28 | harbaum | 71 | |
29 | #ifndef USE_CAIRO | ||
30 | #error "OSD control display lacks a non-cairo implementation!" | ||
31 | harbaum | 70 | #endif |
32 | |||
33 | harbaum | 71 | #include <cairo.h> |
34 | |||
35 | #include "osm-gps-map.h" | ||
36 | harbaum | 112 | #include "converter.h" |
37 | harbaum | 73 | #include "osm-gps-map-osd-classic.h" |
38 | harbaum | 71 | |
39 | harbaum | 70 | //the osd controls |
40 | typedef struct { | ||
41 | harbaum | 74 | /* the offscreen representation of the OSD */ |
42 | harbaum | 108 | struct { |
43 | cairo_surface_t *surface; | ||
44 | gboolean rendered; | ||
45 | #ifdef OSD_GPS_BUTTON | ||
46 | gboolean gps_enabled; | ||
47 | #endif | ||
48 | } controls; | ||
49 | harbaum | 86 | |
50 | harbaum | 112 | #ifdef OSD_BALLOON |
51 | //a balloon with additional info | ||
52 | struct { | ||
53 | cairo_surface_t *surface; | ||
54 | harbaum | 113 | int orientation, offset_x, offset_y; |
55 | harbaum | 112 | |
56 | harbaum | 114 | gboolean just_created; |
57 | harbaum | 112 | float lat, lon; |
58 | OsmGpsMapRect_t rect; | ||
59 | |||
60 | /* function called to have the user app draw the contents */ | ||
61 | OsmGpsMapBalloonCallback cb; | ||
62 | gpointer data; | ||
63 | } balloon; | ||
64 | #endif | ||
65 | |||
66 | harbaum | 98 | #ifdef OSD_SCALE |
67 | harbaum | 110 | struct { |
68 | cairo_surface_t *surface; | ||
69 | int zoom; | ||
70 | } scale; | ||
71 | harbaum | 98 | #endif |
72 | harbaum | 110 | |
73 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
74 | harbaum | 110 | struct { |
75 | cairo_surface_t *surface; | ||
76 | gboolean rendered; | ||
77 | } crosshair; | ||
78 | harbaum | 105 | #endif |
79 | |||
80 | harbaum | 122 | #ifdef OSD_NAV |
81 | struct { | ||
82 | cairo_surface_t *surface; | ||
83 | harbaum | 123 | float lat, lon; |
84 | char *name; | ||
85 | harbaum | 133 | gboolean imperial; // display distance imperial/metric |
86 | harbaum | 122 | } nav; |
87 | #endif | ||
88 | |||
89 | harbaum | 106 | #ifdef OSD_COORDINATES |
90 | harbaum | 110 | struct { |
91 | cairo_surface_t *surface; | ||
92 | float lat, lon; | ||
93 | } coordinates; | ||
94 | harbaum | 106 | #endif |
95 | |||
96 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
97 | harbaum | 110 | struct { |
98 | /* values to handle the "source" menu */ | ||
99 | cairo_surface_t *surface; | ||
100 | gboolean expanded; | ||
101 | gint shift, dir, count; | ||
102 | gint handler_id; | ||
103 | gint width, height; | ||
104 | harbaum | 111 | gboolean rendered; |
105 | harbaum | 110 | } source_sel; |
106 | harbaum | 88 | #endif |
107 | harbaum | 87 | |
108 | harbaum | 70 | } osd_priv_t; |
109 | |||
110 | harbaum | 112 | #ifdef OSD_BALLOON |
111 | /* most visual effects are hardcoded by now, but may be made */ | ||
112 | /* available via properties later */ | ||
113 | #ifndef BALLOON_AREA_WIDTH | ||
114 | #define BALLOON_AREA_WIDTH 290 | ||
115 | #endif | ||
116 | #ifndef BALLOON_AREA_HEIGHT | ||
117 | #define BALLOON_AREA_HEIGHT 75 | ||
118 | #endif | ||
119 | #ifndef BALLOON_CORNER_RADIUS | ||
120 | #define BALLOON_CORNER_RADIUS 10 | ||
121 | #endif | ||
122 | |||
123 | #define BALLOON_BORDER (BALLOON_CORNER_RADIUS/2) | ||
124 | #define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) | ||
125 | #define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) | ||
126 | #define BALLOON_TRANSPARENCY 0.8 | ||
127 | #define POINTER_HEIGHT 20 | ||
128 | #define POINTER_FOOT_WIDTH 20 | ||
129 | #define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) | ||
130 | #define BALLOON_SHADOW (BALLOON_CORNER_RADIUS/2) | ||
131 | #define BALLOON_SHADOW_TRANSPARENCY 0.2 | ||
132 | |||
133 | harbaum | 113 | #define BALLOON_W (BALLOON_WIDTH + BALLOON_SHADOW) |
134 | #define BALLOON_H (BALLOON_HEIGHT + POINTER_HEIGHT + BALLOON_SHADOW) | ||
135 | |||
136 | harbaum | 112 | #define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS) |
137 | |||
138 | harbaum | 150 | #if 0 |
139 | harbaum | 143 | #define FIN printf("entering function %s\n", __func__); |
140 | #define FOUT printf("leaving function %s\n", __func__); | ||
141 | harbaum | 150 | #else |
142 | #define FIN ; | ||
143 | #define FOUT ; | ||
144 | #endif | ||
145 | harbaum | 112 | |
146 | /* draw the bubble shape. this is used twice, once for the shape and once */ | ||
147 | /* for the shadow */ | ||
148 | static void | ||
149 | osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, | ||
150 | gboolean bottom, int px, int py, int px0, int px1) { | ||
151 | |||
152 | harbaum | 143 | FIN; |
153 | |||
154 | harbaum | 112 | cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
155 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, | ||
156 | BALLOON_CORNER_RADIUS, -M_PI, -M_PI/2); | ||
157 | if(!bottom) { | ||
158 | /* insert top pointer */ | ||
159 | cairo_line_to (cr, px1, y0); | ||
160 | cairo_line_to (cr, px, py); | ||
161 | cairo_line_to (cr, px0, y0); | ||
162 | } | ||
163 | |||
164 | cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); | ||
165 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y0 + BALLOON_CORNER_RADIUS, | ||
166 | BALLOON_CORNER_RADIUS, -M_PI/2, 0); | ||
167 | cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); | ||
168 | cairo_arc (cr, x1 - BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, | ||
169 | BALLOON_CORNER_RADIUS, 0, M_PI/2); | ||
170 | if(bottom) { | ||
171 | /* insert bottom pointer */ | ||
172 | cairo_line_to (cr, px0, y1); | ||
173 | cairo_line_to (cr, px, py); | ||
174 | cairo_line_to (cr, px1, y1); | ||
175 | } | ||
176 | |||
177 | cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); | ||
178 | cairo_arc (cr, x0 + BALLOON_CORNER_RADIUS, y1 - BALLOON_CORNER_RADIUS, | ||
179 | BALLOON_CORNER_RADIUS, M_PI/2, M_PI); | ||
180 | |||
181 | cairo_close_path (cr); | ||
182 | harbaum | 143 | |
183 | FOUT; | ||
184 | harbaum | 112 | } |
185 | |||
186 | static void | ||
187 | osd_render_balloon(osm_gps_map_osd_t *osd) { | ||
188 | harbaum | 143 | FIN; |
189 | |||
190 | harbaum | 112 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
191 | |||
192 | harbaum | 150 | if(!priv->balloon.surface) |
193 | return; | ||
194 | |||
195 | harbaum | 112 | /* get zoom */ |
196 | gint zoom; | ||
197 | g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); | ||
198 | |||
199 | /* ------- convert given coordinate into screen position --------- */ | ||
200 | harbaum | 113 | gint xs, ys; |
201 | harbaum | 112 | osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), |
202 | priv->balloon.lat, priv->balloon.lon, | ||
203 | harbaum | 113 | &xs, &ys); |
204 | harbaum | 112 | |
205 | harbaum | 113 | gint x0 = 1, y0 = 1; |
206 | |||
207 | harbaum | 112 | /* check position of this relative to screen center to determine */ |
208 | /* pointer direction ... */ | ||
209 | harbaum | 113 | int pointer_x, pointer_x0, pointer_x1; |
210 | int pointer_y; | ||
211 | harbaum | 112 | |
212 | /* ... and calculate position */ | ||
213 | harbaum | 113 | int orientation = 0; |
214 | if(xs > osd->widget->allocation.width/2) { | ||
215 | priv->balloon.offset_x = -BALLOON_WIDTH + POINTER_OFFSET; | ||
216 | pointer_x = x0 - priv->balloon.offset_x; | ||
217 | harbaum | 112 | pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
218 | pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; | ||
219 | harbaum | 113 | orientation |= 1; |
220 | harbaum | 112 | } else { |
221 | harbaum | 113 | priv->balloon.offset_x = -POINTER_OFFSET; |
222 | pointer_x = x0 - priv->balloon.offset_x; | ||
223 | harbaum | 112 | pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
224 | pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; | ||
225 | } | ||
226 | |||
227 | gboolean bottom = FALSE; | ||
228 | harbaum | 113 | if(ys > osd->widget->allocation.height/2) { |
229 | priv->balloon.offset_y = -BALLOON_HEIGHT - POINTER_HEIGHT; | ||
230 | pointer_y = y0 - priv->balloon.offset_y; | ||
231 | harbaum | 112 | bottom = TRUE; |
232 | harbaum | 113 | orientation |= 2; |
233 | } else { | ||
234 | priv->balloon.offset_y = 0; | ||
235 | pointer_y = y0 - priv->balloon.offset_y; | ||
236 | harbaum | 112 | y0 += POINTER_HEIGHT; |
237 | harbaum | 113 | } |
238 | harbaum | 112 | |
239 | harbaum | 113 | /* if required orientation equals current one, then don't render */ |
240 | /* anything */ | ||
241 | if(orientation == priv->balloon.orientation) | ||
242 | return; | ||
243 | |||
244 | priv->balloon.orientation = orientation; | ||
245 | |||
246 | harbaum | 112 | /* calculate bottom/right of box */ |
247 | int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; | ||
248 | |||
249 | /* save balloon screen coordinates for later use */ | ||
250 | priv->balloon.rect.x = x0 + BALLOON_BORDER; | ||
251 | priv->balloon.rect.y = y0 + BALLOON_BORDER; | ||
252 | priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; | ||
253 | priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; | ||
254 | |||
255 | cairo_t *cr = cairo_create(priv->balloon.surface); | ||
256 | harbaum | 113 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
257 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); | ||
258 | cairo_paint(cr); | ||
259 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
260 | harbaum | 112 | |
261 | /* --------- draw shadow --------------- */ | ||
262 | osm_gps_map_draw_balloon_shape (cr, | ||
263 | x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, | ||
264 | x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, | ||
265 | bottom, pointer_x, pointer_y, | ||
266 | pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); | ||
267 | |||
268 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); | ||
269 | cairo_fill_preserve (cr); | ||
270 | cairo_set_source_rgba (cr, 1, 0, 0, 1.0); | ||
271 | cairo_set_line_width (cr, 0); | ||
272 | cairo_stroke (cr); | ||
273 | |||
274 | /* --------- draw main shape ----------- */ | ||
275 | osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, | ||
276 | bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); | ||
277 | |||
278 | cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); | ||
279 | cairo_fill_preserve (cr); | ||
280 | cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); | ||
281 | cairo_set_line_width (cr, 1); | ||
282 | cairo_stroke (cr); | ||
283 | |||
284 | if (priv->balloon.cb) { | ||
285 | harbaum | 136 | osm_gps_map_balloon_event_t event; |
286 | |||
287 | harbaum | 112 | /* clip in case application tries to draw in */ |
288 | /* exceed of the balloon */ | ||
289 | cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, | ||
290 | priv->balloon.rect.w, priv->balloon.rect.h); | ||
291 | cairo_clip (cr); | ||
292 | harbaum | 136 | cairo_new_path (cr); /* current path is not consumed by cairo_clip */ |
293 | |||
294 | /* request the application to draw the balloon contents */ | ||
295 | event.type = OSM_GPS_MAP_BALLOON_EVENT_TYPE_DRAW; | ||
296 | event.data.draw.rect = &priv->balloon.rect; | ||
297 | event.data.draw.cr = cr; | ||
298 | harbaum | 112 | |
299 | harbaum | 136 | priv->balloon.cb(&event, priv->balloon.data); |
300 | harbaum | 112 | } |
301 | harbaum | 113 | |
302 | harbaum | 112 | cairo_destroy(cr); |
303 | harbaum | 143 | |
304 | FOUT; | ||
305 | harbaum | 112 | } |
306 | |||
307 | /* return true if balloon is being displayed and if */ | ||
308 | /* the given coordinate is within this balloon */ | ||
309 | static gboolean | ||
310 | harbaum | 136 | osd_balloon_check(osm_gps_map_osd_t *osd, gboolean click, gboolean down, gint x, gint y) |
311 | harbaum | 112 | { |
312 | harbaum | 143 | FIN; |
313 | |||
314 | harbaum | 113 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
315 | harbaum | 112 | |
316 | harbaum | 113 | if(!priv->balloon.surface) |
317 | harbaum | 112 | return FALSE; |
318 | |||
319 | harbaum | 113 | gint xs, ys; |
320 | osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), | ||
321 | priv->balloon.lat, priv->balloon.lon, | ||
322 | &xs, &ys); | ||
323 | harbaum | 112 | |
324 | harbaum | 113 | xs += priv->balloon.rect.x + priv->balloon.offset_x; |
325 | ys += priv->balloon.rect.y + priv->balloon.offset_y; | ||
326 | harbaum | 112 | |
327 | harbaum | 114 | gboolean is_in = |
328 | (x > xs) && (x < xs + priv->balloon.rect.w) && | ||
329 | (y > ys) && (y < ys + priv->balloon.rect.h); | ||
330 | |||
331 | harbaum | 136 | /* is this a real click or is the application just checking for something? */ |
332 | if(click) { | ||
333 | harbaum | 114 | |
334 | harbaum | 136 | /* handle the fact that the balloon may have been created by the */ |
335 | /* button down event */ | ||
336 | if(!is_in && !down && !priv->balloon.just_created) { | ||
337 | /* the user actually clicked outside the balloon */ | ||
338 | |||
339 | /* close the balloon! */ | ||
340 | osm_gps_map_osd_clear_balloon (OSM_GPS_MAP(osd->widget)); | ||
341 | |||
342 | /* and inform application about this */ | ||
343 | if(priv->balloon.cb) { | ||
344 | osm_gps_map_balloon_event_t event; | ||
345 | event.type = OSM_GPS_MAP_BALLOON_EVENT_TYPE_REMOVED; | ||
346 | priv->balloon.cb(&event, priv->balloon.data); | ||
347 | } | ||
348 | |||
349 | } | ||
350 | |||
351 | if(is_in && priv->balloon.cb) { | ||
352 | osm_gps_map_balloon_event_t event; | ||
353 | |||
354 | /* notify application of click */ | ||
355 | event.type = OSM_GPS_MAP_BALLOON_EVENT_TYPE_CLICK; | ||
356 | event.data.click.x = x - xs; | ||
357 | event.data.click.y = y - ys; | ||
358 | event.data.click.down = down; | ||
359 | |||
360 | priv->balloon.cb(&event, priv->balloon.data); | ||
361 | } | ||
362 | harbaum | 114 | } |
363 | harbaum | 143 | FOUT; |
364 | harbaum | 114 | return is_in; |
365 | harbaum | 113 | } |
366 | harbaum | 112 | |
367 | harbaum | 113 | void osm_gps_map_osd_clear_balloon (OsmGpsMap *map) { |
368 | harbaum | 143 | FIN; |
369 | |||
370 | harbaum | 112 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
371 | |||
372 | harbaum | 113 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
373 | g_return_if_fail (osd); | ||
374 | harbaum | 112 | |
375 | harbaum | 113 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
376 | g_return_if_fail (priv); | ||
377 | harbaum | 112 | |
378 | harbaum | 113 | if(priv->balloon.surface) { |
379 | cairo_surface_destroy(priv->balloon.surface); | ||
380 | priv->balloon.surface = NULL; | ||
381 | priv->balloon.lat = OSM_GPS_MAP_INVALID; | ||
382 | priv->balloon.lon = OSM_GPS_MAP_INVALID; | ||
383 | } | ||
384 | osm_gps_map_redraw(map); | ||
385 | harbaum | 143 | FOUT; |
386 | harbaum | 112 | } |
387 | |||
388 | void | ||
389 | harbaum | 113 | osm_gps_map_osd_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
390 | OsmGpsMapBalloonCallback cb, gpointer data) { | ||
391 | harbaum | 143 | FIN; |
392 | harbaum | 112 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
393 | |||
394 | harbaum | 113 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
395 | g_return_if_fail (osd); | ||
396 | harbaum | 112 | |
397 | harbaum | 113 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
398 | g_return_if_fail (priv); | ||
399 | harbaum | 112 | |
400 | harbaum | 113 | osm_gps_map_osd_clear_balloon (map); |
401 | |||
402 | /* allocate balloon surface */ | ||
403 | priv->balloon.surface = | ||
404 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, | ||
405 | BALLOON_W+2, BALLOON_H+2); | ||
406 | |||
407 | priv->balloon.lat = latitude; | ||
408 | priv->balloon.lon = longitude; | ||
409 | priv->balloon.cb = cb; | ||
410 | priv->balloon.data = data; | ||
411 | harbaum | 114 | priv->balloon.just_created = TRUE; |
412 | harbaum | 113 | |
413 | priv->balloon.orientation = -1; | ||
414 | |||
415 | osd_render_balloon(osd); | ||
416 | |||
417 | osm_gps_map_redraw(map); | ||
418 | harbaum | 143 | FOUT; |
419 | harbaum | 112 | } |
420 | |||
421 | #endif // OSD_BALLOON | ||
422 | |||
423 | harbaum | 70 | /* position and extent of bounding box */ |
424 | harbaum | 77 | #ifndef OSD_X |
425 | harbaum | 70 | #define OSD_X (10) |
426 | harbaum | 77 | #endif |
427 | |||
428 | #ifndef OSD_Y | ||
429 | harbaum | 70 | #define OSD_Y (10) |
430 | harbaum | 77 | #endif |
431 | harbaum | 70 | |
432 | /* parameters of the direction shape */ | ||
433 | harbaum | 77 | #ifndef OSD_DIAMETER |
434 | harbaum | 70 | #define D_RAD (30) // diameter of dpad |
435 | #else | ||
436 | harbaum | 77 | #define D_RAD (OSD_DIAMETER) |
437 | harbaum | 70 | #endif |
438 | #define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center | ||
439 | #define D_LEN (D_RAD/4) // length of arrow | ||
440 | #define D_WID (D_LEN) // width of arrow | ||
441 | |||
442 | /* parameters of the "zoom" pad */ | ||
443 | #define Z_STEP (D_RAD/4) // distance between dpad and zoom | ||
444 | #define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar | ||
445 | |||
446 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
447 | harbaum | 70 | /* shadow also depends on control size */ |
448 | #define OSD_SHADOW (D_RAD/6) | ||
449 | harbaum | 74 | #else |
450 | #define OSD_SHADOW (0) | ||
451 | #endif | ||
452 | harbaum | 70 | |
453 | harbaum | 77 | /* normally the GPS button is in the center of the dpad. if there's */ |
454 | /* no dpad it will go into the zoom area */ | ||
455 | #if defined(OSD_GPS_BUTTON) && defined(OSD_NO_DPAD) | ||
456 | #define Z_GPS 1 | ||
457 | #else | ||
458 | #define Z_GPS 0 | ||
459 | #endif | ||
460 | |||
461 | harbaum | 70 | /* total width and height of controls incl. shadow */ |
462 | harbaum | 77 | #define OSD_W (2*D_RAD + OSD_SHADOW + Z_GPS * 2 * Z_RAD) |
463 | #if !Z_GPS | ||
464 | harbaum | 70 | #define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) |
465 | harbaum | 77 | #else |
466 | #define OSD_H (2*Z_RAD + OSD_SHADOW) | ||
467 | #endif | ||
468 | harbaum | 70 | |
469 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
470 | harbaum | 70 | #define OSD_LBL_SHADOW (OSD_SHADOW/2) |
471 | harbaum | 74 | #endif |
472 | harbaum | 70 | |
473 | harbaum | 77 | #define Z_TOP ((1-Z_GPS) * (2 * D_RAD + Z_STEP)) |
474 | |||
475 | harbaum | 70 | #define Z_MID (Z_TOP + Z_RAD) |
476 | #define Z_BOT (Z_MID + Z_RAD) | ||
477 | #define Z_LEFT (Z_RAD) | ||
478 | harbaum | 77 | #define Z_RIGHT (2 * D_RAD - Z_RAD + Z_GPS * 2 * Z_RAD) |
479 | #define Z_CENTER ((Z_RIGHT + Z_LEFT)/2) | ||
480 | harbaum | 70 | |
481 | /* create the cairo shape used for the zoom buttons */ | ||
482 | static void | ||
483 | harbaum | 86 | osd_zoom_shape(cairo_t *cr, gint x, gint y) |
484 | harbaum | 71 | { |
485 | harbaum | 70 | cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); |
486 | cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); | ||
487 | cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); | ||
488 | cairo_line_to (cr, x+Z_LEFT, y+Z_BOT); | ||
489 | cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); | ||
490 | } | ||
491 | |||
492 | harbaum | 86 | /* ------------------- color/shadow functions ----------------- */ |
493 | |||
494 | #ifndef OSD_COLOR | ||
495 | /* if no color has been specified we just use the gdks default colors */ | ||
496 | static void | ||
497 | osd_labels(cairo_t *cr, gint width, gboolean enabled, | ||
498 | GdkColor *fg, GdkColor *disabled) { | ||
499 | if(enabled) gdk_cairo_set_source_color(cr, fg); | ||
500 | else gdk_cairo_set_source_color(cr, disabled); | ||
501 | cairo_set_line_width (cr, width); | ||
502 | } | ||
503 | #else | ||
504 | static void | ||
505 | osd_labels(cairo_t *cr, gint width, gboolean enabled) { | ||
506 | if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); | ||
507 | else cairo_set_source_rgb (cr, OSD_COLOR_DISABLED); | ||
508 | cairo_set_line_width (cr, width); | ||
509 | } | ||
510 | #endif | ||
511 | |||
512 | #ifdef OSD_SHADOW_ENABLE | ||
513 | static void | ||
514 | osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { | ||
515 | cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); | ||
516 | cairo_set_line_width (cr, width); | ||
517 | } | ||
518 | #endif | ||
519 | |||
520 | harbaum | 76 | #ifndef OSD_NO_DPAD |
521 | harbaum | 70 | /* create the cairo shape used for the dpad */ |
522 | static void | ||
523 | harbaum | 86 | osd_dpad_shape(cairo_t *cr, gint x, gint y) |
524 | harbaum | 71 | { |
525 | harbaum | 70 | cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); |
526 | } | ||
527 | harbaum | 76 | #endif |
528 | harbaum | 70 | |
529 | harbaum | 86 | #ifdef OSD_SHADOW_ENABLE |
530 | static void | ||
531 | osd_shape_shadow(cairo_t *cr) { | ||
532 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); | ||
533 | cairo_fill (cr); | ||
534 | cairo_stroke (cr); | ||
535 | } | ||
536 | #endif | ||
537 | |||
538 | #ifndef OSD_COLOR | ||
539 | /* if no color has been specified we just use the gdks default colors */ | ||
540 | static void | ||
541 | osd_shape(cairo_t *cr, GdkColor *bg, GdkColor *fg) { | ||
542 | gdk_cairo_set_source_color(cr, bg); | ||
543 | cairo_fill_preserve (cr); | ||
544 | gdk_cairo_set_source_color(cr, fg); | ||
545 | cairo_set_line_width (cr, 1); | ||
546 | cairo_stroke (cr); | ||
547 | } | ||
548 | #else | ||
549 | static void | ||
550 | osd_shape(cairo_t *cr) { | ||
551 | cairo_set_source_rgb (cr, OSD_COLOR_BG); | ||
552 | cairo_fill_preserve (cr); | ||
553 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
554 | cairo_set_line_width (cr, 1); | ||
555 | cairo_stroke (cr); | ||
556 | } | ||
557 | #endif | ||
558 | |||
559 | |||
560 | harbaum | 70 | static gboolean |
561 | osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) | ||
562 | { | ||
563 | harbaum | 143 | FIN; |
564 | harbaum | 70 | return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); |
565 | } | ||
566 | |||
567 | harbaum | 76 | #ifndef OSD_NO_DPAD |
568 | harbaum | 70 | /* check whether x/y is within the dpad */ |
569 | static osd_button_t | ||
570 | harbaum | 86 | osd_check_dpad(gint x, gint y) |
571 | harbaum | 70 | { |
572 | /* within entire dpad circle */ | ||
573 | harbaum | 77 | if( osm_gps_map_in_circle(x, y, D_RAD, D_RAD, D_RAD)) |
574 | harbaum | 70 | { |
575 | /* convert into position relative to dpads centre */ | ||
576 | harbaum | 77 | x -= D_RAD; |
577 | y -= D_RAD; | ||
578 | harbaum | 70 | |
579 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
580 | harbaum | 70 | /* check for dpad center goes here! */ |
581 | if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) | ||
582 | return OSD_GPS; | ||
583 | harbaum | 76 | #endif |
584 | harbaum | 70 | |
585 | if( y < 0 && abs(x) < abs(y)) | ||
586 | return OSD_UP; | ||
587 | |||
588 | if( y > 0 && abs(x) < abs(y)) | ||
589 | return OSD_DOWN; | ||
590 | |||
591 | if( x < 0 && abs(y) < abs(x)) | ||
592 | return OSD_LEFT; | ||
593 | |||
594 | if( x > 0 && abs(y) < abs(x)) | ||
595 | return OSD_RIGHT; | ||
596 | |||
597 | return OSD_BG; | ||
598 | } | ||
599 | return OSD_NONE; | ||
600 | } | ||
601 | harbaum | 76 | #endif |
602 | harbaum | 70 | |
603 | /* check whether x/y is within the zoom pads */ | ||
604 | static osd_button_t | ||
605 | harbaum | 86 | osd_check_zoom(gint x, gint y) { |
606 | harbaum | 77 | if( x > 0 && x < OSD_W && y > Z_TOP && y < Z_BOT) { |
607 | harbaum | 70 | |
608 | /* within circle around (-) label */ | ||
609 | harbaum | 77 | if( osm_gps_map_in_circle(x, y, Z_LEFT, Z_MID, Z_RAD)) |
610 | harbaum | 70 | return OSD_OUT; |
611 | |||
612 | harbaum | 77 | /* within circle around (+) label */ |
613 | if( osm_gps_map_in_circle(x, y, Z_RIGHT, Z_MID, Z_RAD)) | ||
614 | return OSD_IN; | ||
615 | |||
616 | #if Z_GPS == 1 | ||
617 | /* within square around center */ | ||
618 | if( x > Z_CENTER - Z_RAD && x < Z_CENTER + Z_RAD) | ||
619 | return OSD_GPS; | ||
620 | #endif | ||
621 | |||
622 | harbaum | 70 | /* between center of (-) button and center of entire zoom control area */ |
623 | harbaum | 77 | if(x > OSD_LEFT && x < D_RAD) |
624 | harbaum | 70 | return OSD_OUT; |
625 | |||
626 | /* between center of (+) button and center of entire zoom control area */ | ||
627 | harbaum | 77 | if(x < OSD_RIGHT && x > D_RAD) |
628 | harbaum | 70 | return OSD_IN; |
629 | } | ||
630 | |||
631 | return OSD_NONE; | ||
632 | } | ||
633 | |||
634 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
635 | |||
636 | harbaum | 86 | /* place source selection at right border */ |
637 | #define OSD_S_RAD (Z_RAD) | ||
638 | #define OSD_S_X (-OSD_X) | ||
639 | #define OSD_S_Y (OSD_Y) | ||
640 | #define OSD_S_PW (2 * Z_RAD) | ||
641 | #define OSD_S_W (OSD_S_PW) | ||
642 | #define OSD_S_PH (2 * Z_RAD) | ||
643 | #define OSD_S_H (OSD_S_PH + OSD_SHADOW) | ||
644 | |||
645 | harbaum | 87 | /* size of usable area when expanded */ |
646 | harbaum | 110 | #define OSD_S_AREA_W (priv->source_sel.width) |
647 | #define OSD_S_AREA_H (priv->source_sel.height) | ||
648 | harbaum | 86 | #define OSD_S_EXP_W (OSD_S_PW + OSD_S_AREA_W + OSD_SHADOW) |
649 | #define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) | ||
650 | |||
651 | /* internal value to draw the arrow on the "puller" */ | ||
652 | #define OSD_S_D0 (OSD_S_RAD/2) | ||
653 | harbaum | 87 | #ifndef OSD_FONT_SIZE |
654 | harbaum | 146 | #define OSD_FONT_SIZE (16.0) |
655 | harbaum | 87 | #endif |
656 | #define OSD_TEXT_BORDER (OSD_FONT_SIZE/2) | ||
657 | #define OSD_TEXT_SKIP (OSD_FONT_SIZE/8) | ||
658 | harbaum | 86 | |
659 | harbaum | 88 | /* draw the shape of the source selection OSD, either only the puller (not expanded) */ |
660 | /* or the entire menu incl. the puller (expanded) */ | ||
661 | harbaum | 86 | static void |
662 | osd_source_shape(osd_priv_t *priv, cairo_t *cr, gint x, gint y) { | ||
663 | harbaum | 110 | if(!priv->source_sel.expanded) { |
664 | harbaum | 86 | /* just draw the puller */ |
665 | cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); | ||
666 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
667 | cairo_line_to (cr, x + OSD_S_PW, y); | ||
668 | } else { | ||
669 | /* draw the puller and the area itself */ | ||
670 | cairo_move_to (cr, x + OSD_S_PW + OSD_S_AREA_W, y + OSD_S_AREA_H); | ||
671 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_AREA_H); | ||
672 | if(OSD_S_Y > 0) { | ||
673 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_PH); | ||
674 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
675 | } else { | ||
676 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_AREA_H-OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
677 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_AREA_H - OSD_S_PH); | ||
678 | cairo_line_to (cr, x + OSD_S_PW, y); | ||
679 | } | ||
680 | cairo_line_to (cr, x + OSD_S_PW + OSD_S_AREA_W, y); | ||
681 | cairo_close_path (cr); | ||
682 | } | ||
683 | } | ||
684 | |||
685 | static void | ||
686 | harbaum | 87 | osd_source_content(osm_gps_map_osd_t *osd, cairo_t *cr, gint offset) { |
687 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
688 | harbaum | 86 | |
689 | harbaum | 87 | int py = offset + OSD_S_RAD - OSD_S_D0; |
690 | |||
691 | harbaum | 110 | if(!priv->source_sel.expanded) { |
692 | harbaum | 86 | /* draw the "puller" open (<) arrow */ |
693 | harbaum | 87 | cairo_move_to (cr, offset + OSD_S_RAD + OSD_S_D0/2, py); |
694 | harbaum | 86 | cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
695 | cairo_rel_line_to (cr, +OSD_S_D0, +OSD_S_D0); | ||
696 | } else { | ||
697 | if(OSD_S_Y < 0) | ||
698 | harbaum | 87 | py += OSD_S_AREA_H - OSD_S_PH; |
699 | harbaum | 86 | |
700 | /* draw the "puller" close (>) arrow */ | ||
701 | harbaum | 87 | cairo_move_to (cr, offset + OSD_S_RAD - OSD_S_D0/2, py); |
702 | harbaum | 86 | cairo_rel_line_to (cr, +OSD_S_D0, +OSD_S_D0); |
703 | cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); | ||
704 | harbaum | 87 | cairo_stroke(cr); |
705 | |||
706 | /* don't draw a shadow for the text content */ | ||
707 | if(offset == 1) { | ||
708 | gint source; | ||
709 | g_object_get(osd->widget, "map-source", &source, NULL); | ||
710 | |||
711 | cairo_select_font_face (cr, "Sans", | ||
712 | CAIRO_FONT_SLANT_NORMAL, | ||
713 | CAIRO_FONT_WEIGHT_BOLD); | ||
714 | cairo_set_font_size (cr, OSD_FONT_SIZE); | ||
715 | |||
716 | harbaum | 110 | int i, step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) / |
717 | harbaum | 89 | OSM_GPS_MAP_SOURCE_LAST; |
718 | harbaum | 87 | for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { |
719 | cairo_text_extents_t extents; | ||
720 | const char *src = osm_gps_map_source_get_friendly_name(i); | ||
721 | cairo_text_extents (cr, src, &extents); | ||
722 | |||
723 | int x = offset + OSD_S_PW + OSD_TEXT_BORDER; | ||
724 | int y = offset + step * (i-1) + OSD_TEXT_BORDER; | ||
725 | |||
726 | /* draw filled rectangle if selected */ | ||
727 | if(source == i) { | ||
728 | cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, | ||
729 | y - OSD_TEXT_SKIP, | ||
730 | harbaum | 110 | priv->source_sel.width - OSD_TEXT_BORDER, |
731 | harbaum | 87 | step + OSD_TEXT_SKIP); |
732 | cairo_fill(cr); | ||
733 | |||
734 | /* temprarily draw with background color */ | ||
735 | #ifndef OSD_COLOR | ||
736 | GdkColor bg = osd->widget->style->bg[GTK_STATE_NORMAL]; | ||
737 | gdk_cairo_set_source_color(cr, &bg); | ||
738 | #else | ||
739 | cairo_set_source_rgb (cr, OSD_COLOR_BG); | ||
740 | #endif | ||
741 | } | ||
742 | |||
743 | cairo_move_to (cr, x, y + OSD_TEXT_SKIP - extents.y_bearing); | ||
744 | cairo_show_text (cr, src); | ||
745 | |||
746 | /* restore color */ | ||
747 | if(source == i) { | ||
748 | #ifndef OSD_COLOR | ||
749 | GdkColor fg = osd->widget->style->fg[GTK_STATE_NORMAL]; | ||
750 | gdk_cairo_set_source_color(cr, &fg); | ||
751 | #else | ||
752 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
753 | #endif | ||
754 | } | ||
755 | } | ||
756 | } | ||
757 | harbaum | 86 | } |
758 | } | ||
759 | |||
760 | static void | ||
761 | harbaum | 111 | osd_render_source_sel(osm_gps_map_osd_t *osd, gboolean force_rerender) { |
762 | harbaum | 143 | FIN; |
763 | |||
764 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
765 | |||
766 | harbaum | 150 | if(!priv->source_sel.surface || |
767 | (priv->source_sel.rendered && !force_rerender)) | ||
768 | harbaum | 111 | return; |
769 | |||
770 | priv->source_sel.rendered = TRUE; | ||
771 | |||
772 | harbaum | 86 | #ifndef OSD_COLOR |
773 | GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; | ||
774 | GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; | ||
775 | GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; | ||
776 | #endif | ||
777 | |||
778 | /* draw source selector */ | ||
779 | harbaum | 110 | cairo_t *cr = cairo_create(priv->source_sel.surface); |
780 | harbaum | 86 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
781 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
782 | cairo_paint(cr); | ||
783 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
784 | |||
785 | #ifdef OSD_SHADOW_ENABLE | ||
786 | osd_source_shape(priv, cr, 1+OSD_SHADOW, 1+OSD_SHADOW); | ||
787 | osd_shape_shadow(cr); | ||
788 | #endif | ||
789 | |||
790 | osd_source_shape(priv, cr, 1, 1); | ||
791 | #ifndef OSD_COLOR | ||
792 | osd_shape(cr, &bg, &fg); | ||
793 | #else | ||
794 | osd_shape(cr); | ||
795 | #endif | ||
796 | |||
797 | #ifdef OSD_SHADOW_ENABLE | ||
798 | osd_labels_shadow(cr, Z_RAD/3, TRUE); | ||
799 | harbaum | 87 | osd_source_content(osd, cr, 1+OSD_LBL_SHADOW); |
800 | cairo_stroke (cr); | ||
801 | harbaum | 86 | #endif |
802 | #ifndef OSD_COLOR | ||
803 | osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); | ||
804 | #else | ||
805 | osd_labels(cr, Z_RAD/3, TRUE); | ||
806 | #endif | ||
807 | harbaum | 87 | osd_source_content(osd, cr, 1); |
808 | cairo_stroke (cr); | ||
809 | harbaum | 86 | |
810 | cairo_destroy(cr); | ||
811 | harbaum | 143 | FOUT; |
812 | harbaum | 86 | } |
813 | |||
814 | harbaum | 89 | /* re-allocate the buffer used to draw the menu. This is used */ |
815 | /* to collapse/expand the buffer */ | ||
816 | harbaum | 86 | static void |
817 | osd_source_reallocate(osm_gps_map_osd_t *osd) { | ||
818 | harbaum | 143 | FIN; |
819 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
820 | |||
821 | /* re-allocate offscreen bitmap */ | ||
822 | harbaum | 110 | g_assert (priv->source_sel.surface); |
823 | harbaum | 86 | |
824 | int w = OSD_S_W, h = OSD_S_H; | ||
825 | harbaum | 110 | if(priv->source_sel.expanded) { |
826 | harbaum | 87 | cairo_text_extents_t extents; |
827 | |||
828 | /* determine content size */ | ||
829 | harbaum | 110 | cairo_t *cr = cairo_create(priv->source_sel.surface); |
830 | harbaum | 87 | cairo_select_font_face (cr, "Sans", |
831 | CAIRO_FONT_SLANT_NORMAL, | ||
832 | CAIRO_FONT_WEIGHT_BOLD); | ||
833 | cairo_set_font_size (cr, OSD_FONT_SIZE); | ||
834 | |||
835 | /* calculate menu size */ | ||
836 | int i, max_h = 0, max_w = 0; | ||
837 | for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { | ||
838 | const char *src = osm_gps_map_source_get_friendly_name(i); | ||
839 | cairo_text_extents (cr, src, &extents); | ||
840 | |||
841 | if(extents.width > max_w) max_w = extents.width; | ||
842 | if(extents.height > max_h) max_h = extents.height; | ||
843 | } | ||
844 | cairo_destroy(cr); | ||
845 | |||
846 | harbaum | 110 | priv->source_sel.width = max_w + 2*OSD_TEXT_BORDER; |
847 | priv->source_sel.height = OSM_GPS_MAP_SOURCE_LAST * | ||
848 | harbaum | 87 | (max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
849 | |||
850 | harbaum | 86 | w = OSD_S_EXP_W; |
851 | h = OSD_S_EXP_H; | ||
852 | } | ||
853 | |||
854 | harbaum | 110 | cairo_surface_destroy(priv->source_sel.surface); |
855 | priv->source_sel.surface = | ||
856 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
857 | |||
858 | harbaum | 111 | osd_render_source_sel(osd, TRUE); |
859 | harbaum | 143 | FOUT; |
860 | harbaum | 86 | } |
861 | |||
862 | #define OSD_HZ 15 | ||
863 | harbaum | 87 | #define OSD_TIME 500 |
864 | harbaum | 86 | |
865 | static gboolean osd_source_animate(gpointer data) { | ||
866 | harbaum | 143 | FIN; |
867 | harbaum | 86 | osm_gps_map_osd_t *osd = (osm_gps_map_osd_t*)data; |
868 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
869 | int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; | ||
870 | gboolean done = FALSE; | ||
871 | harbaum | 110 | priv->source_sel.count += priv->source_sel.dir; |
872 | harbaum | 86 | |
873 | /* shifting in */ | ||
874 | harbaum | 110 | if(priv->source_sel.dir < 0) { |
875 | if(priv->source_sel.count <= 0) { | ||
876 | priv->source_sel.count = 0; | ||
877 | harbaum | 86 | done = TRUE; |
878 | } | ||
879 | } else { | ||
880 | harbaum | 110 | if(priv->source_sel.count >= 1000) { |
881 | priv->source_sel.expanded = FALSE; | ||
882 | harbaum | 86 | osd_source_reallocate(osd); |
883 | |||
884 | harbaum | 110 | priv->source_sel.count = 1000; |
885 | harbaum | 86 | done = TRUE; |
886 | } | ||
887 | } | ||
888 | |||
889 | |||
890 | /* count runs linearly from 0 to 1000, map this nicely onto a position */ | ||
891 | |||
892 | harbaum | 111 | /* nice sinoid mapping */ |
893 | harbaum | 110 | float m = 0.5-cos(priv->source_sel.count * M_PI / 1000.0)/2; |
894 | harbaum | 111 | priv->source_sel.shift = |
895 | (osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + | ||
896 | harbaum | 86 | m * diff; |
897 | |||
898 | harbaum | 111 | /* make sure the screen is updated */ |
899 | harbaum | 86 | osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); |
900 | |||
901 | harbaum | 111 | /* stop animation if done */ |
902 | harbaum | 86 | if(done) |
903 | harbaum | 110 | priv->source_sel.handler_id = 0; |
904 | harbaum | 86 | |
905 | harbaum | 143 | FOUT; |
906 | harbaum | 86 | return !done; |
907 | } | ||
908 | |||
909 | /* switch between expand and collapse mode of source selection */ | ||
910 | static void | ||
911 | osd_source_toggle(osm_gps_map_osd_t *osd) | ||
912 | { | ||
913 | harbaum | 143 | FIN; |
914 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
915 | |||
916 | /* ignore clicks while animation is running */ | ||
917 | harbaum | 110 | if(priv->source_sel.handler_id) |
918 | harbaum | 86 | return; |
919 | |||
920 | harbaum | 111 | /* expand immediately, collapse is handle at the end of the */ |
921 | /* collapse animation */ | ||
922 | harbaum | 110 | if(!priv->source_sel.expanded) { |
923 | priv->source_sel.expanded = TRUE; | ||
924 | harbaum | 86 | osd_source_reallocate(osd); |
925 | |||
926 | harbaum | 110 | priv->source_sel.count = 1000; |
927 | priv->source_sel.shift = osd->widget->allocation.width - OSD_S_W; | ||
928 | priv->source_sel.dir = -1000/OSD_HZ; | ||
929 | harbaum | 86 | } else { |
930 | harbaum | 110 | priv->source_sel.count = 0; |
931 | harbaum | 111 | priv->source_sel.shift = osd->widget->allocation.width - |
932 | OSD_S_EXP_W + OSD_S_X; | ||
933 | harbaum | 110 | priv->source_sel.dir = +1000/OSD_HZ; |
934 | harbaum | 86 | } |
935 | |||
936 | harbaum | 111 | /* start timer to handle animation */ |
937 | priv->source_sel.handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, | ||
938 | osd_source_animate, osd); | ||
939 | harbaum | 143 | FOUT; |
940 | harbaum | 86 | } |
941 | |||
942 | harbaum | 89 | /* check if the user clicked inside the source selection area */ |
943 | harbaum | 70 | static osd_button_t |
944 | harbaum | 114 | osd_source_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { |
945 | harbaum | 143 | FIN; |
946 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
947 | |||
948 | harbaum | 110 | if(!priv->source_sel.expanded) |
949 | harbaum | 86 | x -= osd->widget->allocation.width - OSD_S_W; |
950 | else | ||
951 | x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
952 | |||
953 | if(OSD_S_Y > 0) | ||
954 | y -= OSD_S_Y; | ||
955 | else | ||
956 | y -= osd->widget->allocation.height - OSD_S_PH + OSD_S_Y; | ||
957 | |||
958 | /* within square around puller? */ | ||
959 | if(y > 0 && y < OSD_S_PH && x > 0 && x < OSD_S_PW) { | ||
960 | /* really within puller shape? */ | ||
961 | if(x > Z_RAD || osm_gps_map_in_circle(x, y, Z_RAD, Z_RAD, Z_RAD)) { | ||
962 | /* expand source selector */ | ||
963 | harbaum | 114 | if(down) |
964 | osd_source_toggle(osd); | ||
965 | harbaum | 86 | |
966 | /* tell upper layers that user clicked some background element */ | ||
967 | /* of the OSD */ | ||
968 | return OSD_BG; | ||
969 | } | ||
970 | } | ||
971 | harbaum | 88 | |
972 | /* check for clicks into data area */ | ||
973 | harbaum | 110 | if(priv->source_sel.expanded && !priv->source_sel.handler_id) { |
974 | harbaum | 94 | /* re-adjust from puller top to content top */ |
975 | if(OSD_S_Y < 0) | ||
976 | y += OSD_S_EXP_H - OSD_S_PH; | ||
977 | |||
978 | harbaum | 88 | if(x > OSD_S_PW && |
979 | x < OSD_S_PW + OSD_S_EXP_W && | ||
980 | y > 0 && | ||
981 | y < OSD_S_EXP_H) { | ||
982 | harbaum | 94 | |
983 | harbaum | 110 | int step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) |
984 | harbaum | 89 | / OSM_GPS_MAP_SOURCE_LAST; |
985 | harbaum | 88 | |
986 | harbaum | 89 | y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
987 | y /= step; | ||
988 | y += 1; | ||
989 | |||
990 | harbaum | 114 | if(down) { |
991 | gint old = 0; | ||
992 | g_object_get(osd->widget, "map-source", &old, NULL); | ||
993 | harbaum | 89 | |
994 | harbaum | 114 | if(y > OSM_GPS_MAP_SOURCE_NULL && |
995 | y <= OSM_GPS_MAP_SOURCE_LAST && | ||
996 | old != y) { | ||
997 | g_object_set(osd->widget, "map-source", y, NULL); | ||
998 | |||
999 | osd_render_source_sel(osd, TRUE); | ||
1000 | osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); | ||
1001 | } | ||
1002 | harbaum | 89 | } |
1003 | harbaum | 143 | |
1004 | harbaum | 89 | /* return "clicked in OSD background" to prevent further */ |
1005 | /* processing by application */ | ||
1006 | harbaum | 88 | return OSD_BG; |
1007 | } | ||
1008 | } | ||
1009 | |||
1010 | harbaum | 143 | FOUT; |
1011 | harbaum | 86 | return OSD_NONE; |
1012 | } | ||
1013 | harbaum | 88 | #endif // OSD_SOURCE_SEL |
1014 | harbaum | 86 | |
1015 | static osd_button_t | ||
1016 | harbaum | 136 | osd_check_int(osm_gps_map_osd_t *osd, gboolean click, gboolean down, gint x, gint y) { |
1017 | harbaum | 143 | FIN; |
1018 | harbaum | 70 | osd_button_t but = OSD_NONE; |
1019 | |||
1020 | harbaum | 113 | #ifdef OSD_BALLOON |
1021 | harbaum | 114 | if(down) { |
1022 | /* needed to handle balloons that are created at click */ | ||
1023 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1024 | priv->balloon.just_created = FALSE; | ||
1025 | } | ||
1026 | harbaum | 113 | #endif |
1027 | |||
1028 | harbaum | 86 | #ifdef OSD_SOURCE_SEL |
1029 | /* the source selection area is handles internally */ | ||
1030 | harbaum | 114 | but = osd_source_check(osd, down, x, y); |
1031 | harbaum | 86 | #endif |
1032 | harbaum | 114 | |
1033 | if(but == OSD_NONE) { | ||
1034 | harbaum | 120 | gint mx = x - OSD_X; |
1035 | gint my = y - OSD_Y; | ||
1036 | harbaum | 114 | |
1037 | if(OSD_X < 0) | ||
1038 | harbaum | 120 | mx -= (osd->widget->allocation.width - OSD_W); |
1039 | harbaum | 114 | |
1040 | if(OSD_Y < 0) | ||
1041 | harbaum | 120 | my -= (osd->widget->allocation.height - OSD_H); |
1042 | harbaum | 114 | |
1043 | /* first do a rough test for the OSD area. */ | ||
1044 | /* this is just to avoid an unnecessary detailed test */ | ||
1045 | harbaum | 120 | if(mx > 0 && mx < OSD_W && my > 0 && my < OSD_H) { |
1046 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1047 | harbaum | 120 | but = osd_check_dpad(mx, my); |
1048 | harbaum | 76 | #endif |
1049 | harbaum | 114 | } |
1050 | harbaum | 70 | |
1051 | if(but == OSD_NONE) | ||
1052 | harbaum | 120 | but = osd_check_zoom(mx, my); |
1053 | harbaum | 70 | } |
1054 | |||
1055 | harbaum | 114 | #ifdef OSD_BALLOON |
1056 | if(but == OSD_NONE) { | ||
1057 | /* check if user clicked into balloon */ | ||
1058 | harbaum | 136 | if(osd_balloon_check(osd, click, down, x, y)) |
1059 | harbaum | 114 | but = OSD_BG; |
1060 | } | ||
1061 | #endif | ||
1062 | |||
1063 | harbaum | 143 | FOUT; |
1064 | harbaum | 70 | return but; |
1065 | } | ||
1066 | |||
1067 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1068 | harbaum | 70 | static void |
1069 | harbaum | 86 | osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
1070 | harbaum | 70 | /* move reference to dpad center */ |
1071 | x += D_RAD; | ||
1072 | y += D_RAD; | ||
1073 | |||
1074 | const static gint offset[][3][2] = { | ||
1075 | /* left arrow/triangle */ | ||
1076 | { { -D_TIP+D_LEN, -D_WID }, { -D_LEN, D_WID }, { +D_LEN, D_WID } }, | ||
1077 | /* right arrow/triangle */ | ||
1078 | { { +D_TIP-D_LEN, -D_WID }, { +D_LEN, D_WID }, { -D_LEN, D_WID } }, | ||
1079 | /* top arrow/triangle */ | ||
1080 | { { -D_WID, -D_TIP+D_LEN }, { D_WID, -D_LEN }, { D_WID, +D_LEN } }, | ||
1081 | /* bottom arrow/triangle */ | ||
1082 | { { -D_WID, +D_TIP-D_LEN }, { D_WID, +D_LEN }, { D_WID, -D_LEN } } | ||
1083 | }; | ||
1084 | |||
1085 | int i; | ||
1086 | for(i=0;i<4;i++) { | ||
1087 | cairo_move_to (cr, x + offset[i][0][0], y + offset[i][0][1]); | ||
1088 | cairo_rel_line_to (cr, offset[i][1][0], offset[i][1][1]); | ||
1089 | cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); | ||
1090 | } | ||
1091 | } | ||
1092 | harbaum | 76 | #endif |
1093 | harbaum | 70 | |
1094 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
1095 | /* draw the satellite dish icon in the center of the dpad */ | ||
1096 | harbaum | 77 | #define GPS_V0 (D_RAD/7) |
1097 | harbaum | 70 | #define GPS_V1 (D_RAD/10) |
1098 | #define GPS_V2 (D_RAD/5) | ||
1099 | |||
1100 | /* draw a satellite receiver dish */ | ||
1101 | harbaum | 77 | /* this is either drawn in the center of the dpad (if present) */ |
1102 | /* or in the middle of the zoom area */ | ||
1103 | harbaum | 70 | static void |
1104 | harbaum | 86 | osd_dpad_gps(cairo_t *cr, gint x, gint y) { |
1105 | harbaum | 70 | /* move reference to dpad center */ |
1106 | harbaum | 77 | x += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD * 3; |
1107 | y += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD + GPS_V0; | ||
1108 | harbaum | 70 | |
1109 | cairo_move_to (cr, x-GPS_V0, y+GPS_V0); | ||
1110 | cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); | ||
1111 | cairo_rel_line_to (cr, +GPS_V0, +GPS_V0); | ||
1112 | cairo_close_path (cr); | ||
1113 | |||
1114 | cairo_move_to (cr, x+GPS_V1-GPS_V2, y-2*GPS_V2); | ||
1115 | cairo_curve_to (cr, x-GPS_V2, y, x+GPS_V1, y+GPS_V1, x+GPS_V1+GPS_V2, y); | ||
1116 | cairo_close_path (cr); | ||
1117 | |||
1118 | x += GPS_V1; | ||
1119 | cairo_move_to (cr, x, y-GPS_V2); | ||
1120 | cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); | ||
1121 | } | ||
1122 | harbaum | 76 | #endif |
1123 | harbaum | 70 | |
1124 | #define Z_LEN (2*Z_RAD/3) | ||
1125 | |||
1126 | static void | ||
1127 | harbaum | 86 | osd_zoom_labels(cairo_t *cr, gint x, gint y) { |
1128 | harbaum | 70 | cairo_move_to (cr, x + Z_LEFT - Z_LEN, y + Z_MID); |
1129 | cairo_line_to (cr, x + Z_LEFT + Z_LEN, y + Z_MID); | ||
1130 | |||
1131 | cairo_move_to (cr, x + Z_RIGHT, y + Z_MID - Z_LEN); | ||
1132 | cairo_line_to (cr, x + Z_RIGHT, y + Z_MID + Z_LEN); | ||
1133 | cairo_move_to (cr, x + Z_RIGHT - Z_LEN, y + Z_MID); | ||
1134 | cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); | ||
1135 | } | ||
1136 | |||
1137 | harbaum | 106 | #ifdef OSD_COORDINATES |
1138 | |||
1139 | harbaum | 107 | #ifndef OSD_COORDINATES_FONT_SIZE |
1140 | harbaum | 146 | #define OSD_COORDINATES_FONT_SIZE (12.0) |
1141 | harbaum | 107 | #endif |
1142 | |||
1143 | harbaum | 108 | #define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
1144 | harbaum | 107 | |
1145 | harbaum | 108 | #define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1146 | harbaum | 131 | #define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET+OSD_COORDINATES_FONT_SIZE/4) |
1147 | harbaum | 108 | |
1148 | harbaum | 107 | /* these can be overwritten with versions that support */ |
1149 | /* localization */ | ||
1150 | #ifndef OSD_COORDINATES_CHR_N | ||
1151 | #define OSD_COORDINATES_CHR_N "N" | ||
1152 | #endif | ||
1153 | #ifndef OSD_COORDINATES_CHR_S | ||
1154 | #define OSD_COORDINATES_CHR_S "S" | ||
1155 | #endif | ||
1156 | #ifndef OSD_COORDINATES_CHR_E | ||
1157 | #define OSD_COORDINATES_CHR_E "E" | ||
1158 | #endif | ||
1159 | #ifndef OSD_COORDINATES_CHR_W | ||
1160 | #define OSD_COORDINATES_CHR_W "W" | ||
1161 | #endif | ||
1162 | |||
1163 | |||
1164 | |||
1165 | /* this is the classic geocaching notation */ | ||
1166 | static char | ||
1167 | *osd_latitude_str(float latitude) { | ||
1168 | char *c = OSD_COORDINATES_CHR_N; | ||
1169 | float integral, fractional; | ||
1170 | |||
1171 | if(isnan(latitude)) | ||
1172 | return NULL; | ||
1173 | |||
1174 | if(latitude < 0) { | ||
1175 | latitude = fabs(latitude); | ||
1176 | c = OSD_COORDINATES_CHR_S; | ||
1177 | } | ||
1178 | |||
1179 | fractional = modff(latitude, &integral); | ||
1180 | |||
1181 | return g_strdup_printf("%s %02d° %06.3f'", | ||
1182 | c, (int)integral, fractional*60.0); | ||
1183 | } | ||
1184 | |||
1185 | static char | ||
1186 | *osd_longitude_str(float longitude) { | ||
1187 | char *c = OSD_COORDINATES_CHR_E; | ||
1188 | float integral, fractional; | ||
1189 | |||
1190 | if(isnan(longitude)) | ||
1191 | return NULL; | ||
1192 | |||
1193 | if(longitude < 0) { | ||
1194 | longitude = fabs(longitude); | ||
1195 | c = OSD_COORDINATES_CHR_W; | ||
1196 | } | ||
1197 | |||
1198 | fractional = modff(longitude, &integral); | ||
1199 | |||
1200 | return g_strdup_printf("%s %03d° %06.3f'", | ||
1201 | c, (int)integral, fractional*60.0); | ||
1202 | } | ||
1203 | |||
1204 | harbaum | 124 | /* render a string at the given screen position */ |
1205 | static int | ||
1206 | osd_render_centered_text(cairo_t *cr, int y, int width, char *text) { | ||
1207 | harbaum | 143 | FIN; |
1208 | |||
1209 | if(!text) return y; | ||
1210 | |||
1211 | char *p = g_malloc(strlen(text)+4); // space for "...\n" | ||
1212 | strcpy(p, text); | ||
1213 | |||
1214 | harbaum | 124 | cairo_text_extents_t extents; |
1215 | cairo_text_extents (cr, p, &extents); | ||
1216 | harbaum | 150 | g_assert(extents.width != 0.0); |
1217 | harbaum | 124 | |
1218 | /* check if text needs to be truncated */ | ||
1219 | harbaum | 143 | int trunc_at = strlen(text)-1; |
1220 | harbaum | 124 | while(extents.width > width) { |
1221 | harbaum | 144 | g_assert(trunc_at > 0); |
1222 | |||
1223 | harbaum | 143 | trunc_at--; |
1224 | strcpy(p+trunc_at, "..."); | ||
1225 | harbaum | 124 | cairo_text_extents (cr, p, &extents); |
1226 | } | ||
1227 | |||
1228 | harbaum | 123 | cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1229 | cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); | ||
1230 | harbaum | 124 | cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1231 | cairo_text_path (cr, p); | ||
1232 | harbaum | 123 | cairo_stroke (cr); |
1233 | |||
1234 | cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); | ||
1235 | harbaum | 124 | cairo_move_to (cr, (width - extents.width)/2, y - extents.y_bearing); |
1236 | cairo_show_text (cr, p); | ||
1237 | |||
1238 | g_free(p); | ||
1239 | |||
1240 | harbaum | 143 | /* skip + 1/5 line */ |
1241 | FOUT; | ||
1242 | return y + 6*OSD_COORDINATES_FONT_SIZE/5; | ||
1243 | harbaum | 123 | } |
1244 | |||
1245 | static void | ||
1246 | harbaum | 106 | osd_render_coordinates(osm_gps_map_osd_t *osd) |
1247 | { | ||
1248 | harbaum | 143 | FIN; |
1249 | harbaum | 106 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1250 | |||
1251 | harbaum | 150 | if(!priv->coordinates.surface) |
1252 | return; | ||
1253 | |||
1254 | harbaum | 107 | /* get current map position */ |
1255 | gfloat lat, lon; | ||
1256 | g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); | ||
1257 | |||
1258 | harbaum | 108 | /* check if position has changed enough to require redraw */ |
1259 | harbaum | 110 | if(!isnan(priv->coordinates.lat) && !isnan(priv->coordinates.lon)) |
1260 | /* 1/60000 == 1/1000 minute */ | ||
1261 | if((fabsf(lat - priv->coordinates.lat) < 1/60000) && | ||
1262 | (fabsf(lon - priv->coordinates.lon) < 1/60000)) | ||
1263 | harbaum | 108 | return; |
1264 | |||
1265 | harbaum | 110 | priv->coordinates.lat = lat; |
1266 | priv->coordinates.lon = lon; | ||
1267 | harbaum | 108 | |
1268 | harbaum | 111 | /* first fill with transparency */ |
1269 | harbaum | 150 | |
1270 | harbaum | 110 | cairo_t *cr = cairo_create(priv->coordinates.surface); |
1271 | harbaum | 106 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1272 | harbaum | 111 | // cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); |
1273 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); | ||
1274 | harbaum | 106 | cairo_paint(cr); |
1275 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1276 | |||
1277 | harbaum | 107 | cairo_select_font_face (cr, "Sans", |
1278 | CAIRO_FONT_SLANT_NORMAL, | ||
1279 | CAIRO_FONT_WEIGHT_BOLD); | ||
1280 | cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); | ||
1281 | |||
1282 | char *latitude = osd_latitude_str(lat); | ||
1283 | char *longitude = osd_longitude_str(lon); | ||
1284 | |||
1285 | harbaum | 124 | int y = OSD_COORDINATES_OFFSET; |
1286 | y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, latitude); | ||
1287 | y = osd_render_centered_text(cr, y, OSD_COORDINATES_W, longitude); | ||
1288 | harbaum | 123 | |
1289 | harbaum | 107 | g_free(latitude); |
1290 | g_free(longitude); | ||
1291 | |||
1292 | harbaum | 106 | cairo_destroy(cr); |
1293 | harbaum | 143 | FOUT; |
1294 | harbaum | 106 | } |
1295 | #endif // OSD_COORDINATES | ||
1296 | |||
1297 | harbaum | 122 | #ifdef OSD_NAV |
1298 | harbaum | 123 | #define OSD_NAV_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
1299 | harbaum | 133 | #define OSD_NAV_H (11*OSD_COORDINATES_FONT_SIZE) |
1300 | harbaum | 122 | |
1301 | harbaum | 132 | /* http://mathforum.org/library/drmath/view/55417.html */ |
1302 | static float get_bearing(float lat1, float lon1, float lat2, float lon2) { | ||
1303 | return atan2( sin(lon2 - lon1) * cos(lat2), | ||
1304 | cos(lat1) * sin(lat2) - | ||
1305 | sin(lat1) * cos(lat2) * cos(lon2 - lon1)); | ||
1306 | } | ||
1307 | |||
1308 | /* http://mathforum.org/library/drmath/view/51722.html */ | ||
1309 | static float get_distance(float lat1, float lon1, float lat2, float lon2) { | ||
1310 | float aob = acos(cos(lat1) * cos(lat2) * cos(lon2 - lon1) + | ||
1311 | sin(lat1) * sin(lat2)); | ||
1312 | |||
1313 | // return(aob * 3959.0); /* great circle radius in miles */ | ||
1314 | |||
1315 | return(aob * 6371000.0); /* great circle radius in meters */ | ||
1316 | } | ||
1317 | |||
1318 | harbaum | 122 | static void |
1319 | osd_render_nav(osm_gps_map_osd_t *osd) | ||
1320 | { | ||
1321 | harbaum | 143 | FIN; |
1322 | harbaum | 122 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1323 | |||
1324 | harbaum | 123 | if(!priv->nav.surface || isnan(priv->nav.lat) || isnan(priv->nav.lon)) |
1325 | return; | ||
1326 | |||
1327 | harbaum | 122 | /* first fill with transparency */ |
1328 | cairo_t *cr = cairo_create(priv->nav.surface); | ||
1329 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); | ||
1330 | harbaum | 132 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1331 | harbaum | 122 | cairo_paint(cr); |
1332 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1333 | |||
1334 | harbaum | 123 | cairo_select_font_face (cr, "Sans", |
1335 | CAIRO_FONT_SLANT_NORMAL, | ||
1336 | CAIRO_FONT_WEIGHT_BOLD); | ||
1337 | cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); | ||
1338 | |||
1339 | char *latitude = osd_latitude_str(priv->nav.lat); | ||
1340 | char *longitude = osd_longitude_str(priv->nav.lon); | ||
1341 | |||
1342 | harbaum | 124 | int y = OSD_COORDINATES_OFFSET; |
1343 | y = osd_render_centered_text(cr, y, OSD_NAV_W, priv->nav.name); | ||
1344 | y = osd_render_centered_text(cr, y, OSD_NAV_W, latitude); | ||
1345 | y = osd_render_centered_text(cr, y, OSD_NAV_W, longitude); | ||
1346 | harbaum | 123 | |
1347 | g_free(latitude); | ||
1348 | g_free(longitude); | ||
1349 | |||
1350 | harbaum | 131 | /* draw the compass */ |
1351 | int radius = (OSD_NAV_H - y - 5*OSD_COORDINATES_FONT_SIZE/4)/2; | ||
1352 | if(radius > OSD_NAV_W/2) | ||
1353 | radius = OSD_NAV_W/2; | ||
1354 | |||
1355 | int x = OSD_NAV_W/2+1; | ||
1356 | y += radius; | ||
1357 | |||
1358 | cairo_stroke (cr); | ||
1359 | |||
1360 | /* draw background */ | ||
1361 | cairo_arc(cr, x, y, radius, 0, 2*M_PI); | ||
1362 | cairo_set_source_rgba (cr, 1, 1, 1, 0.5); | ||
1363 | cairo_fill_preserve (cr); | ||
1364 | cairo_set_source_rgb (cr, 0, 0, 0); | ||
1365 | cairo_set_line_width (cr, 1); | ||
1366 | cairo_stroke (cr); | ||
1367 | |||
1368 | /* draw pointer */ | ||
1369 | #define ARROW_WIDTH 0.3 | ||
1370 | #define ARROW_LENGTH 0.7 | ||
1371 | |||
1372 | harbaum | 132 | coord_t *gps = osm_gps_map_get_gps (OSM_GPS_MAP(osd->widget)); |
1373 | if(gps) { | ||
1374 | float arot = get_bearing(gps->rlat, gps->rlon, | ||
1375 | deg2rad(priv->nav.lat), deg2rad(priv->nav.lon)); | ||
1376 | harbaum | 131 | |
1377 | harbaum | 132 | cairo_move_to(cr, |
1378 | x + radius * ARROW_LENGTH * sin(arot), | ||
1379 | y + radius * ARROW_LENGTH * -cos(arot)); | ||
1380 | |||
1381 | cairo_line_to(cr, | ||
1382 | x + radius * -ARROW_LENGTH * sin(arot+ARROW_WIDTH), | ||
1383 | y + radius * -ARROW_LENGTH * -cos(arot+ARROW_WIDTH)); | ||
1384 | |||
1385 | cairo_line_to(cr, | ||
1386 | x + radius * -0.5 * ARROW_LENGTH * sin(arot), | ||
1387 | y + radius * -0.5 * ARROW_LENGTH * -cos(arot)); | ||
1388 | |||
1389 | cairo_line_to(cr, | ||
1390 | x + radius * -ARROW_LENGTH * sin(arot-ARROW_WIDTH), | ||
1391 | y + radius * -ARROW_LENGTH * -cos(arot-ARROW_WIDTH)); | ||
1392 | |||
1393 | cairo_close_path(cr); | ||
1394 | cairo_set_source_rgb (cr, 0, 0, 0); | ||
1395 | cairo_fill (cr); | ||
1396 | harbaum | 131 | |
1397 | harbaum | 132 | y += radius + OSD_COORDINATES_FONT_SIZE/4; |
1398 | harbaum | 131 | |
1399 | harbaum | 132 | float dist = get_distance(gps->rlat, gps->rlon, |
1400 | deg2rad(priv->nav.lat), deg2rad(priv->nav.lon)); | ||
1401 | harbaum | 131 | |
1402 | harbaum | 132 | char *dist_str = NULL; |
1403 | harbaum | 133 | if(!priv->nav.imperial) { |
1404 | /* metric is easy ... */ | ||
1405 | if(dist<1000) | ||
1406 | dist_str = g_strdup_printf("%u m", (int)dist); | ||
1407 | else | ||
1408 | dist_str = g_strdup_printf("%.1f km", dist/1000); | ||
1409 | } else { | ||
1410 | /* and now the hard part: scale for useful imperial values :-( */ | ||
1411 | /* try to convert to feet, 1ft == 0.3048 m */ | ||
1412 | |||
1413 | if(dist/(3*0.3048) >= 1760.0) /* more than 1760 yard? */ | ||
1414 | dist_str = g_strdup_printf("%.1f mi", dist/(0.3048*3*1760.0)); | ||
1415 | else if(dist/0.3048 >= 100) /* more than 100 feet? */ | ||
1416 | dist_str = g_strdup_printf("%.1f yd", dist/(0.3048*3)); | ||
1417 | else | ||
1418 | dist_str = g_strdup_printf("%.0f ft", dist/0.3048); | ||
1419 | } | ||
1420 | harbaum | 132 | |
1421 | y = osd_render_centered_text(cr, y, OSD_NAV_W, dist_str); | ||
1422 | g_free(dist_str); | ||
1423 | } | ||
1424 | harbaum | 131 | |
1425 | harbaum | 122 | cairo_destroy(cr); |
1426 | harbaum | 143 | FOUT; |
1427 | harbaum | 122 | } |
1428 | |||
1429 | harbaum | 123 | void osm_gps_map_osd_clear_nav (OsmGpsMap *map) { |
1430 | harbaum | 143 | FIN; |
1431 | harbaum | 123 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1432 | |||
1433 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); | ||
1434 | g_return_if_fail (osd); | ||
1435 | |||
1436 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1437 | g_return_if_fail (priv); | ||
1438 | |||
1439 | if(priv->nav.surface) { | ||
1440 | cairo_surface_destroy(priv->nav.surface); | ||
1441 | priv->nav.surface = NULL; | ||
1442 | priv->nav.lat = OSM_GPS_MAP_INVALID; | ||
1443 | priv->nav.lon = OSM_GPS_MAP_INVALID; | ||
1444 | if(priv->nav.name) g_free(priv->nav.name); | ||
1445 | } | ||
1446 | osm_gps_map_redraw(map); | ||
1447 | harbaum | 143 | FOUT; |
1448 | harbaum | 123 | } |
1449 | |||
1450 | void | ||
1451 | harbaum | 133 | osm_gps_map_osd_draw_nav (OsmGpsMap *map, gboolean imperial, |
1452 | float latitude, float longitude, char *name) { | ||
1453 | harbaum | 143 | FIN; |
1454 | harbaum | 123 | g_return_if_fail (OSM_IS_GPS_MAP (map)); |
1455 | |||
1456 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); | ||
1457 | g_return_if_fail (osd); | ||
1458 | |||
1459 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1460 | g_return_if_fail (priv); | ||
1461 | |||
1462 | osm_gps_map_osd_clear_nav (map); | ||
1463 | |||
1464 | /* allocate balloon surface */ | ||
1465 | priv->nav.surface = | ||
1466 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, | ||
1467 | OSD_NAV_W+2, OSD_NAV_H+2); | ||
1468 | |||
1469 | priv->nav.lat = latitude; | ||
1470 | priv->nav.lon = longitude; | ||
1471 | priv->nav.name = g_strdup(name); | ||
1472 | harbaum | 133 | priv->nav.imperial = imperial; |
1473 | harbaum | 123 | |
1474 | osd_render_nav(osd); | ||
1475 | |||
1476 | osm_gps_map_redraw(map); | ||
1477 | harbaum | 143 | FOUT; |
1478 | harbaum | 123 | } |
1479 | |||
1480 | harbaum | 122 | #endif // OSD_NAV |
1481 | |||
1482 | |||
1483 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
1484 | |||
1485 | #ifndef OSD_CROSSHAIR_RADIUS | ||
1486 | harbaum | 106 | #define OSD_CROSSHAIR_RADIUS 10 |
1487 | harbaum | 105 | #endif |
1488 | |||
1489 | harbaum | 106 | #define OSD_CROSSHAIR_TICK (OSD_CROSSHAIR_RADIUS/2) |
1490 | #define OSD_CROSSHAIR_BORDER (OSD_CROSSHAIR_TICK + OSD_CROSSHAIR_RADIUS/4) | ||
1491 | #define OSD_CROSSHAIR_W ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) | ||
1492 | #define OSD_CROSSHAIR_H ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) | ||
1493 | harbaum | 105 | |
1494 | static void | ||
1495 | harbaum | 106 | osd_render_crosshair_shape(cairo_t *cr) { |
1496 | harbaum | 143 | FIN; |
1497 | harbaum | 106 | cairo_arc (cr, OSD_CROSSHAIR_W/2, OSD_CROSSHAIR_H/2, |
1498 | OSD_CROSSHAIR_RADIUS, 0, 2*M_PI); | ||
1499 | |||
1500 | cairo_move_to (cr, OSD_CROSSHAIR_W/2 - OSD_CROSSHAIR_RADIUS, | ||
1501 | OSD_CROSSHAIR_H/2); | ||
1502 | cairo_rel_line_to (cr, -OSD_CROSSHAIR_TICK, 0); | ||
1503 | cairo_move_to (cr, OSD_CROSSHAIR_W/2 + OSD_CROSSHAIR_RADIUS, | ||
1504 | OSD_CROSSHAIR_H/2); | ||
1505 | cairo_rel_line_to (cr, OSD_CROSSHAIR_TICK, 0); | ||
1506 | |||
1507 | cairo_move_to (cr, OSD_CROSSHAIR_W/2, | ||
1508 | OSD_CROSSHAIR_H/2 - OSD_CROSSHAIR_RADIUS); | ||
1509 | cairo_rel_line_to (cr, 0, -OSD_CROSSHAIR_TICK); | ||
1510 | cairo_move_to (cr, OSD_CROSSHAIR_W/2, | ||
1511 | OSD_CROSSHAIR_H/2 + OSD_CROSSHAIR_RADIUS); | ||
1512 | cairo_rel_line_to (cr, 0, OSD_CROSSHAIR_TICK); | ||
1513 | |||
1514 | cairo_stroke (cr); | ||
1515 | harbaum | 143 | FOUT; |
1516 | harbaum | 106 | } |
1517 | |||
1518 | static void | ||
1519 | harbaum | 105 | osd_render_crosshair(osm_gps_map_osd_t *osd) |
1520 | { | ||
1521 | harbaum | 143 | FIN; |
1522 | harbaum | 105 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1523 | |||
1524 | harbaum | 150 | if(!priv->crosshair.surface || priv->crosshair.rendered) |
1525 | harbaum | 110 | return; |
1526 | |||
1527 | priv->crosshair.rendered = TRUE; | ||
1528 | |||
1529 | harbaum | 105 | /* first fill with transparency */ |
1530 | harbaum | 110 | cairo_t *cr = cairo_create(priv->crosshair.surface); |
1531 | harbaum | 105 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1532 | harbaum | 106 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
1533 | harbaum | 105 | cairo_paint(cr); |
1534 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1535 | |||
1536 | harbaum | 106 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
1537 | |||
1538 | cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.5); | ||
1539 | cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/2); | ||
1540 | osd_render_crosshair_shape(cr); | ||
1541 | |||
1542 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); | ||
1543 | cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/4); | ||
1544 | osd_render_crosshair_shape(cr); | ||
1545 | |||
1546 | harbaum | 105 | cairo_destroy(cr); |
1547 | harbaum | 143 | FOUT; |
1548 | harbaum | 105 | } |
1549 | #endif | ||
1550 | |||
1551 | #ifdef OSD_SCALE | ||
1552 | |||
1553 | #ifndef OSD_SCALE_FONT_SIZE | ||
1554 | harbaum | 146 | #define OSD_SCALE_FONT_SIZE (12.0) |
1555 | harbaum | 105 | #endif |
1556 | #define OSD_SCALE_W (10*OSD_SCALE_FONT_SIZE) | ||
1557 | #define OSD_SCALE_H (5*OSD_SCALE_FONT_SIZE/2) | ||
1558 | |||
1559 | harbaum | 103 | /* various parameters used to create the scale */ |
1560 | #define OSD_SCALE_H2 (OSD_SCALE_H/2) | ||
1561 | #define OSD_SCALE_TICK (2*OSD_SCALE_FONT_SIZE/3) | ||
1562 | #define OSD_SCALE_M (OSD_SCALE_H2 - OSD_SCALE_TICK) | ||
1563 | #define OSD_SCALE_I (OSD_SCALE_H2 + OSD_SCALE_TICK) | ||
1564 | #define OSD_SCALE_FD (OSD_SCALE_FONT_SIZE/4) | ||
1565 | harbaum | 99 | |
1566 | harbaum | 70 | static void |
1567 | harbaum | 98 | osd_render_scale(osm_gps_map_osd_t *osd) |
1568 | { | ||
1569 | harbaum | 143 | FIN; |
1570 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1571 | harbaum | 103 | |
1572 | harbaum | 150 | if(!priv->scale.surface) |
1573 | return; | ||
1574 | |||
1575 | harbaum | 103 | /* this only needs to be rendered if the zoom has changed */ |
1576 | gint zoom; | ||
1577 | g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); | ||
1578 | harbaum | 110 | if(zoom == priv->scale.zoom) |
1579 | harbaum | 103 | return; |
1580 | |||
1581 | harbaum | 110 | priv->scale.zoom = zoom; |
1582 | harbaum | 103 | |
1583 | harbaum | 99 | float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
1584 | harbaum | 70 | |
1585 | harbaum | 98 | /* first fill with transparency */ |
1586 | harbaum | 110 | cairo_t *cr = cairo_create(priv->scale.surface); |
1587 | harbaum | 98 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1588 | harbaum | 100 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
1589 | harbaum | 103 | // pink for testing: cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
1590 | harbaum | 98 | cairo_paint(cr); |
1591 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1592 | |||
1593 | /* determine the size of the scale width in meters */ | ||
1594 | harbaum | 103 | float width = (OSD_SCALE_W-OSD_SCALE_FONT_SIZE/6) * m_per_pix; |
1595 | harbaum | 102 | |
1596 | harbaum | 98 | /* scale this to useful values */ |
1597 | int exp = logf(width)*M_LOG10E; | ||
1598 | int mant = width/pow(10,exp); | ||
1599 | harbaum | 99 | int width_metric = mant * pow(10,exp); |
1600 | harbaum | 103 | char *dist_str = NULL; |
1601 | if(width_metric<1000) | ||
1602 | dist_str = g_strdup_printf("%u m", width_metric); | ||
1603 | else | ||
1604 | dist_str = g_strdup_printf("%u km", width_metric/1000); | ||
1605 | harbaum | 99 | width_metric /= m_per_pix; |
1606 | |||
1607 | harbaum | 102 | /* and now the hard part: scale for useful imperial values :-( */ |
1608 | /* try to convert to feet, 1ft == 0.3048 m */ | ||
1609 | width /= 0.3048; | ||
1610 | float imp_scale = 0.3048; | ||
1611 | char *dist_imp_unit = "ft"; | ||
1612 | harbaum | 99 | |
1613 | harbaum | 102 | if(width >= 100) { |
1614 | /* 1yd == 3 feet */ | ||
1615 | width /= 3.0; | ||
1616 | imp_scale *= 3.0; | ||
1617 | dist_imp_unit = "yd"; | ||
1618 | |||
1619 | if(width >= 1760.0) { | ||
1620 | /* 1mi == 1760 yd */ | ||
1621 | width /= 1760.0; | ||
1622 | imp_scale *= 1760.0; | ||
1623 | dist_imp_unit = "mi"; | ||
1624 | } | ||
1625 | } | ||
1626 | |||
1627 | harbaum | 103 | /* also convert this to full tens/hundreds */ |
1628 | exp = logf(width)*M_LOG10E; | ||
1629 | mant = width/pow(10,exp); | ||
1630 | int width_imp = mant * pow(10,exp); | ||
1631 | char *dist_str_imp = g_strdup_printf("%u %s", width_imp, dist_imp_unit); | ||
1632 | harbaum | 102 | |
1633 | harbaum | 103 | /* convert back to pixels */ |
1634 | width_imp *= imp_scale; | ||
1635 | width_imp /= m_per_pix; | ||
1636 | |||
1637 | harbaum | 99 | cairo_select_font_face (cr, "Sans", |
1638 | CAIRO_FONT_SLANT_NORMAL, | ||
1639 | CAIRO_FONT_WEIGHT_BOLD); | ||
1640 | harbaum | 102 | cairo_set_font_size (cr, OSD_SCALE_FONT_SIZE); |
1641 | harbaum | 99 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1642 | |||
1643 | cairo_text_extents_t extents; | ||
1644 | cairo_text_extents (cr, dist_str, &extents); | ||
1645 | |||
1646 | harbaum | 100 | cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1647 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1648 | cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); | ||
1649 | harbaum | 100 | cairo_text_path (cr, dist_str); |
1650 | cairo_stroke (cr); | ||
1651 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, |
1652 | OSD_SCALE_H2+OSD_SCALE_FD + extents.height); | ||
1653 | cairo_text_path (cr, dist_str_imp); | ||
1654 | cairo_stroke (cr); | ||
1655 | harbaum | 100 | |
1656 | cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); | ||
1657 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1658 | harbaum | 99 | cairo_show_text (cr, dist_str); |
1659 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, |
1660 | OSD_SCALE_H2+OSD_SCALE_FD + extents.height); | ||
1661 | cairo_show_text (cr, dist_str_imp); | ||
1662 | harbaum | 99 | |
1663 | harbaum | 103 | g_free(dist_str); |
1664 | g_free(dist_str_imp); | ||
1665 | |||
1666 | harbaum | 99 | /* draw white line */ |
1667 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); | ||
1668 | cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); | ||
1669 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/3); |
1670 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); | ||
1671 | cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); | ||
1672 | harbaum | 99 | cairo_rel_line_to (cr, width_metric, 0); |
1673 | harbaum | 103 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1674 | harbaum | 99 | cairo_stroke(cr); |
1675 | harbaum | 103 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1676 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); | ||
1677 | cairo_rel_line_to (cr, width_imp, 0); | ||
1678 | cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); | ||
1679 | cairo_stroke(cr); | ||
1680 | harbaum | 99 | |
1681 | /* draw black line */ | ||
1682 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); | ||
1683 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1684 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); | ||
1685 | cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); | ||
1686 | harbaum | 99 | cairo_rel_line_to (cr, width_metric, 0); |
1687 | harbaum | 103 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1688 | harbaum | 99 | cairo_stroke(cr); |
1689 | harbaum | 103 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1690 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); | ||
1691 | cairo_rel_line_to (cr, width_imp, 0); | ||
1692 | cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); | ||
1693 | cairo_stroke(cr); | ||
1694 | harbaum | 99 | |
1695 | harbaum | 98 | cairo_destroy(cr); |
1696 | harbaum | 143 | FOUT; |
1697 | harbaum | 98 | } |
1698 | harbaum | 105 | #endif |
1699 | harbaum | 98 | |
1700 | static void | ||
1701 | harbaum | 108 | osd_render_controls(osm_gps_map_osd_t *osd) |
1702 | harbaum | 98 | { |
1703 | harbaum | 143 | FIN; |
1704 | harbaum | 98 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1705 | |||
1706 | harbaum | 150 | if(!priv->controls.surface) |
1707 | return; | ||
1708 | |||
1709 | harbaum | 108 | if(priv->controls.rendered |
1710 | #ifdef OSD_GPS_BUTTON | ||
1711 | && (priv->controls.gps_enabled == (osd->cb != NULL)) | ||
1712 | #endif | ||
1713 | ) | ||
1714 | return; | ||
1715 | |||
1716 | #ifdef OSD_GPS_BUTTON | ||
1717 | priv->controls.gps_enabled = (osd->cb != NULL); | ||
1718 | #endif | ||
1719 | harbaum | 110 | priv->controls.rendered = TRUE; |
1720 | harbaum | 108 | |
1721 | harbaum | 86 | #ifndef OSD_COLOR |
1722 | GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; | ||
1723 | GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; | ||
1724 | GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; | ||
1725 | harbaum | 74 | #endif |
1726 | harbaum | 70 | |
1727 | /* first fill with transparency */ | ||
1728 | harbaum | 108 | cairo_t *cr = cairo_create(priv->controls.surface); |
1729 | harbaum | 70 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1730 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
1731 | cairo_paint(cr); | ||
1732 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1733 | |||
1734 | /* --------- draw zoom and dpad shape shadow ----------- */ | ||
1735 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
1736 | harbaum | 86 | osd_zoom_shape(cr, 1+OSD_SHADOW, 1+OSD_SHADOW); |
1737 | osd_shape_shadow(cr); | ||
1738 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1739 | harbaum | 86 | osd_dpad_shape(cr, 1+OSD_SHADOW, 1+OSD_SHADOW); |
1740 | osd_shape_shadow(cr); | ||
1741 | harbaum | 74 | #endif |
1742 | harbaum | 76 | #endif |
1743 | harbaum | 70 | |
1744 | /* --------- draw zoom and dpad shape ----------- */ | ||
1745 | |||
1746 | harbaum | 86 | osd_zoom_shape(cr, 1, 1); |
1747 | harbaum | 74 | #ifndef OSD_COLOR |
1748 | harbaum | 86 | osd_shape(cr, &bg, &fg); |
1749 | harbaum | 74 | #else |
1750 | harbaum | 86 | osd_shape(cr); |
1751 | harbaum | 74 | #endif |
1752 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1753 | harbaum | 86 | osd_dpad_shape(cr, 1, 1); |
1754 | harbaum | 74 | #ifndef OSD_COLOR |
1755 | harbaum | 86 | osd_shape(cr, &bg, &fg); |
1756 | harbaum | 74 | #else |
1757 | harbaum | 86 | osd_shape(cr); |
1758 | harbaum | 74 | #endif |
1759 | harbaum | 76 | #endif |
1760 | harbaum | 70 | |
1761 | /* --------- draw zoom and dpad labels --------- */ | ||
1762 | |||
1763 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
1764 | harbaum | 87 | osd_labels_shadow(cr, Z_RAD/3, TRUE); |
1765 | harbaum | 86 | osd_zoom_labels(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1766 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1767 | harbaum | 86 | osd_dpad_labels(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1768 | harbaum | 76 | #endif |
1769 | harbaum | 87 | cairo_stroke(cr); |
1770 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
1771 | harbaum | 87 | osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL); |
1772 | harbaum | 86 | osd_dpad_gps(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1773 | harbaum | 87 | cairo_stroke(cr); |
1774 | harbaum | 74 | #endif |
1775 | harbaum | 76 | #endif |
1776 | harbaum | 70 | |
1777 | harbaum | 74 | #ifndef OSD_COLOR |
1778 | harbaum | 86 | osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); |
1779 | harbaum | 74 | #else |
1780 | harbaum | 86 | osd_labels(cr, Z_RAD/3, TRUE); |
1781 | harbaum | 74 | #endif |
1782 | harbaum | 87 | osd_zoom_labels(cr, 1, 1); |
1783 | #ifndef OSD_NO_DPAD | ||
1784 | osd_dpad_labels(cr, 1, 1); | ||
1785 | #endif | ||
1786 | cairo_stroke(cr); | ||
1787 | |||
1788 | harbaum | 74 | #ifndef OSD_COLOR |
1789 | harbaum | 86 | osd_labels(cr, Z_RAD/6, osd->cb != NULL, &fg, &da); |
1790 | harbaum | 74 | #else |
1791 | harbaum | 86 | osd_labels(cr, Z_RAD/6, osd->cb != NULL); |
1792 | harbaum | 74 | #endif |
1793 | harbaum | 87 | #ifdef OSD_GPS_BUTTON |
1794 | osd_dpad_gps(cr, 1, 1); | ||
1795 | harbaum | 76 | #endif |
1796 | harbaum | 87 | cairo_stroke(cr); |
1797 | harbaum | 70 | |
1798 | cairo_destroy(cr); | ||
1799 | harbaum | 108 | } |
1800 | harbaum | 86 | |
1801 | harbaum | 108 | static void |
1802 | osd_render(osm_gps_map_osd_t *osd) | ||
1803 | { | ||
1804 | harbaum | 111 | /* this function is actually called pretty often since the */ |
1805 | /* OSD contents may have changed (due to a coordinate/zoom change). */ | ||
1806 | /* The different OSD parts have to make sure that they don't */ | ||
1807 | /* render unneccessarily often and thus waste CPU power */ | ||
1808 | |||
1809 | harbaum | 108 | osd_render_controls(osd); |
1810 | |||
1811 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1812 | harbaum | 111 | osd_render_source_sel(osd, FALSE); |
1813 | harbaum | 88 | #endif |
1814 | harbaum | 98 | |
1815 | #ifdef OSD_SCALE | ||
1816 | osd_render_scale(osd); | ||
1817 | #endif | ||
1818 | harbaum | 105 | |
1819 | #ifdef OSD_CROSSHAIR | ||
1820 | osd_render_crosshair(osd); | ||
1821 | #endif | ||
1822 | harbaum | 106 | |
1823 | harbaum | 122 | #ifdef OSD_NAV |
1824 | osd_render_nav(osd); | ||
1825 | #endif | ||
1826 | |||
1827 | harbaum | 106 | #ifdef OSD_COORDINATES |
1828 | osd_render_coordinates(osd); | ||
1829 | #endif | ||
1830 | harbaum | 70 | } |
1831 | |||
1832 | static void | ||
1833 | harbaum | 86 | osd_draw(osm_gps_map_osd_t *osd, GdkDrawable *drawable) |
1834 | harbaum | 70 | { |
1835 | harbaum | 73 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1836 | harbaum | 70 | |
1837 | /* OSD itself uses some off-screen rendering, so check if the */ | ||
1838 | /* offscreen buffer is present and create it if not */ | ||
1839 | harbaum | 108 | if(!priv->controls.surface) { |
1840 | harbaum | 70 | /* create overlay ... */ |
1841 | harbaum | 108 | priv->controls.surface = |
1842 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
1843 | |||
1844 | harbaum | 108 | priv->controls.rendered = FALSE; |
1845 | #ifdef OSD_GPS_BUTTON | ||
1846 | priv->controls.gps_enabled = FALSE; | ||
1847 | #endif | ||
1848 | |||
1849 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1850 | harbaum | 86 | /* the initial OSD state is alway not-expanded */ |
1851 | harbaum | 110 | priv->source_sel.surface = |
1852 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1853 | OSD_S_W+2, OSD_S_H+2); | ||
1854 | harbaum | 111 | priv->source_sel.rendered = FALSE; |
1855 | harbaum | 88 | #endif |
1856 | harbaum | 86 | |
1857 | harbaum | 98 | #ifdef OSD_SCALE |
1858 | harbaum | 110 | priv->scale.surface = |
1859 | harbaum | 98 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1860 | harbaum | 103 | OSD_SCALE_W, OSD_SCALE_H); |
1861 | harbaum | 110 | priv->scale.zoom = -1; |
1862 | harbaum | 98 | #endif |
1863 | |||
1864 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
1865 | harbaum | 110 | priv->crosshair.surface = |
1866 | harbaum | 105 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1867 | OSD_CROSSHAIR_W, OSD_CROSSHAIR_H); | ||
1868 | harbaum | 110 | priv->crosshair.rendered = FALSE; |
1869 | harbaum | 105 | #endif |
1870 | |||
1871 | harbaum | 106 | #ifdef OSD_COORDINATES |
1872 | harbaum | 110 | priv->coordinates.surface = |
1873 | harbaum | 106 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1874 | OSD_COORDINATES_W, OSD_COORDINATES_H); | ||
1875 | harbaum | 108 | |
1876 | harbaum | 110 | priv->coordinates.lat = priv->coordinates.lon = OSM_GPS_MAP_INVALID; |
1877 | harbaum | 106 | #endif |
1878 | |||
1879 | harbaum | 70 | /* ... and render it */ |
1880 | harbaum | 86 | osd_render(osd); |
1881 | harbaum | 70 | } |
1882 | |||
1883 | // now draw this onto the original context | ||
1884 | harbaum | 75 | cairo_t *cr = gdk_cairo_create(drawable); |
1885 | harbaum | 77 | |
1886 | harbaum | 113 | gint x, y; |
1887 | harbaum | 77 | |
1888 | harbaum | 106 | #ifdef OSD_SCALE |
1889 | x = OSD_X; | ||
1890 | y = -OSD_Y; | ||
1891 | if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; | ||
1892 | if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; | ||
1893 | harbaum | 77 | |
1894 | harbaum | 110 | cairo_set_source_surface(cr, priv->scale.surface, x, y); |
1895 | harbaum | 106 | cairo_paint(cr); |
1896 | #endif | ||
1897 | |||
1898 | #ifdef OSD_CROSSHAIR | ||
1899 | x = (osd->widget->allocation.width - OSD_CROSSHAIR_W)/2; | ||
1900 | y = (osd->widget->allocation.height - OSD_CROSSHAIR_H)/2; | ||
1901 | |||
1902 | harbaum | 110 | cairo_set_source_surface(cr, priv->crosshair.surface, x, y); |
1903 | harbaum | 106 | cairo_paint(cr); |
1904 | #endif | ||
1905 | |||
1906 | harbaum | 122 | #ifdef OSD_NAV |
1907 | harbaum | 123 | if(priv->nav.surface) { |
1908 | x = OSD_X; | ||
1909 | if(x < 0) x += osd->widget->allocation.width - OSD_NAV_W; | ||
1910 | y = (osd->widget->allocation.height - OSD_NAV_H)/2; | ||
1911 | |||
1912 | cairo_set_source_surface(cr, priv->nav.surface, x, y); | ||
1913 | cairo_paint(cr); | ||
1914 | } | ||
1915 | harbaum | 122 | #endif |
1916 | |||
1917 | harbaum | 106 | #ifdef OSD_COORDINATES |
1918 | x = -OSD_X; | ||
1919 | y = -OSD_Y; | ||
1920 | if(x < 0) x += osd->widget->allocation.width - OSD_COORDINATES_W; | ||
1921 | if(y < 0) y += osd->widget->allocation.height - OSD_COORDINATES_H; | ||
1922 | |||
1923 | harbaum | 110 | cairo_set_source_surface(cr, priv->coordinates.surface, x, y); |
1924 | harbaum | 106 | cairo_paint(cr); |
1925 | #endif | ||
1926 | |||
1927 | harbaum | 113 | #ifdef OSD_BALLOON |
1928 | if(priv->balloon.surface) { | ||
1929 | |||
1930 | /* convert given lat lon into screen coordinates */ | ||
1931 | gint x, y; | ||
1932 | osm_gps_map_geographic_to_screen (OSM_GPS_MAP(osd->widget), | ||
1933 | priv->balloon.lat, priv->balloon.lon, | ||
1934 | &x, &y); | ||
1935 | |||
1936 | /* check if balloon needs to be rerendered */ | ||
1937 | osd_render_balloon(osd); | ||
1938 | |||
1939 | cairo_set_source_surface(cr, priv->balloon.surface, | ||
1940 | x + priv->balloon.offset_x, | ||
1941 | y + priv->balloon.offset_y); | ||
1942 | cairo_paint(cr); | ||
1943 | } | ||
1944 | #endif | ||
1945 | |||
1946 | harbaum | 106 | x = OSD_X; |
1947 | if(x < 0) | ||
1948 | x += osd->widget->allocation.width - OSD_W; | ||
1949 | |||
1950 | y = OSD_Y; | ||
1951 | if(y < 0) | ||
1952 | y += osd->widget->allocation.height - OSD_H; | ||
1953 | |||
1954 | harbaum | 108 | cairo_set_source_surface(cr, priv->controls.surface, x, y); |
1955 | harbaum | 70 | cairo_paint(cr); |
1956 | harbaum | 86 | |
1957 | #ifdef OSD_SOURCE_SEL | ||
1958 | harbaum | 110 | if(!priv->source_sel.handler_id) { |
1959 | harbaum | 86 | /* the OSD source selection is not being animated */ |
1960 | harbaum | 110 | if(!priv->source_sel.expanded) |
1961 | harbaum | 86 | x = osd->widget->allocation.width - OSD_S_W; |
1962 | else | ||
1963 | x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
1964 | } else | ||
1965 | harbaum | 110 | x = priv->source_sel.shift; |
1966 | harbaum | 86 | |
1967 | y = OSD_S_Y; | ||
1968 | if(OSD_S_Y < 0) { | ||
1969 | harbaum | 110 | if(!priv->source_sel.expanded) |
1970 | harbaum | 86 | y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
1971 | else | ||
1972 | y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; | ||
1973 | } | ||
1974 | |||
1975 | harbaum | 110 | cairo_set_source_surface(cr, priv->source_sel.surface, x, y); |
1976 | harbaum | 86 | cairo_paint(cr); |
1977 | #endif | ||
1978 | |||
1979 | harbaum | 70 | cairo_destroy(cr); |
1980 | harbaum | 143 | FOUT; |
1981 | harbaum | 70 | } |
1982 | |||
1983 | static void | ||
1984 | harbaum | 86 | osd_free(osm_gps_map_osd_t *osd) |
1985 | harbaum | 70 | { |
1986 | harbaum | 143 | FIN; |
1987 | harbaum | 73 | osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1988 | harbaum | 70 | |
1989 | harbaum | 108 | if (priv->controls.surface) |
1990 | cairo_surface_destroy(priv->controls.surface); | ||
1991 | harbaum | 88 | |
1992 | #ifdef OSD_SOURCE_SEL | ||
1993 | harbaum | 110 | if(priv->source_sel.handler_id) |
1994 | gtk_timeout_remove(priv->source_sel.handler_id); | ||
1995 | harbaum | 86 | |
1996 | harbaum | 110 | if (priv->source_sel.surface) |
1997 | cairo_surface_destroy(priv->source_sel.surface); | ||
1998 | harbaum | 88 | #endif |
1999 | harbaum | 86 | |
2000 | harbaum | 98 | #ifdef OSD_SCALE |
2001 | harbaum | 110 | if (priv->scale.surface) |
2002 | cairo_surface_destroy(priv->scale.surface); | ||
2003 | harbaum | 98 | #endif |
2004 | |||
2005 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
2006 | harbaum | 110 | if (priv->crosshair.surface) |
2007 | cairo_surface_destroy(priv->crosshair.surface); | ||
2008 | harbaum | 105 | #endif |
2009 | |||
2010 | harbaum | 122 | #ifdef OSD_NAV |
2011 | if (priv->nav.surface) | ||
2012 | cairo_surface_destroy(priv->nav.surface); | ||
2013 | #endif | ||
2014 | |||
2015 | harbaum | 106 | #ifdef OSD_COORDINATES |
2016 | harbaum | 110 | if (priv->coordinates.surface) |
2017 | cairo_surface_destroy(priv->coordinates.surface); | ||
2018 | harbaum | 106 | #endif |
2019 | |||
2020 | harbaum | 112 | #ifdef OSD_BALLOON |
2021 | if (priv->balloon.surface) | ||
2022 | cairo_surface_destroy(priv->balloon.surface); | ||
2023 | #endif | ||
2024 | |||
2025 | harbaum | 73 | g_free(priv); |
2026 | harbaum | 143 | FOUT; |
2027 | harbaum | 73 | } |
2028 | |||
2029 | harbaum | 87 | static gboolean |
2030 | osd_busy(osm_gps_map_osd_t *osd) | ||
2031 | { | ||
2032 | harbaum | 143 | FIN; |
2033 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
2034 | harbaum | 87 | osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
2035 | harbaum | 110 | return (priv->source_sel.handler_id != 0); |
2036 | harbaum | 88 | #else |
2037 | return FALSE; | ||
2038 | #endif | ||
2039 | harbaum | 87 | } |
2040 | |||
2041 | harbaum | 136 | static osd_button_t |
2042 | osd_check(osm_gps_map_osd_t *osd, gboolean down, gint x, gint y) { | ||
2043 | harbaum | 143 | FIN; |
2044 | harbaum | 136 | return osd_check_int(osd, TRUE, down, x, y); |
2045 | } | ||
2046 | |||
2047 | harbaum | 73 | static osm_gps_map_osd_t osd_classic = { |
2048 | harbaum | 88 | .widget = NULL, |
2049 | |||
2050 | harbaum | 86 | .draw = osd_draw, |
2051 | .check = osd_check, | ||
2052 | .render = osd_render, | ||
2053 | .free = osd_free, | ||
2054 | harbaum | 87 | .busy = osd_busy, |
2055 | harbaum | 73 | |
2056 | .cb = NULL, | ||
2057 | .data = NULL, | ||
2058 | |||
2059 | .priv = NULL | ||
2060 | }; | ||
2061 | |||
2062 | /* this is the only function that's externally visible */ | ||
2063 | void | ||
2064 | osm_gps_map_osd_classic_init(OsmGpsMap *map) | ||
2065 | { | ||
2066 | harbaum | 143 | FIN; |
2067 | harbaum | 73 | osd_priv_t *priv = osd_classic.priv = g_new0(osd_priv_t, 1); |
2068 | |||
2069 | harbaum | 112 | #ifdef OSD_BALLOON |
2070 | priv->balloon.lat = OSM_GPS_MAP_INVALID; | ||
2071 | priv->balloon.lon = OSM_GPS_MAP_INVALID; | ||
2072 | #endif | ||
2073 | |||
2074 | harbaum | 73 | osd_classic.priv = priv; |
2075 | |||
2076 | osm_gps_map_register_osd(map, &osd_classic); | ||
2077 | harbaum | 143 | FOUT; |
2078 | harbaum | 73 | } |
2079 | |||
2080 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
2081 | harbaum | 74 | /* below are osd specific functions which aren't used by osm-gps-map */ |
2082 | /* but instead are to be used by the main application */ | ||
2083 | harbaum | 76 | void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, |
2084 | gpointer data) { | ||
2085 | harbaum | 143 | FIN; |
2086 | harbaum | 73 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
2087 | g_return_if_fail (osd); | ||
2088 | |||
2089 | osd->cb = cb; | ||
2090 | osd->data = data; | ||
2091 | |||
2092 | harbaum | 70 | /* this may have changed the state of the gps button */ |
2093 | /* we thus re-render the overlay */ | ||
2094 | harbaum | 73 | osd->render(osd); |
2095 | harbaum | 70 | |
2096 | harbaum | 73 | osm_gps_map_redraw(map); |
2097 | harbaum | 143 | FOUT; |
2098 | harbaum | 70 | } |
2099 | harbaum | 76 | #endif |
2100 | harbaum | 86 | |
2101 | osd_button_t | ||
2102 | osm_gps_map_osd_check(OsmGpsMap *map, gint x, gint y) { | ||
2103 | harbaum | 143 | FIN; |
2104 | harbaum | 86 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
2105 | g_return_val_if_fail (osd, OSD_NONE); | ||
2106 | |||
2107 | harbaum | 136 | return osd_check_int(osd, FALSE, TRUE, x, y); |
2108 | harbaum | 86 | } |