Parent Directory | Revision Log
OSD code cleanups
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 | 87 | #include <math.h> // M_PI/cos() |
23 | harbaum | 70 | |
24 | harbaum | 71 | /* parameters that can be overwritten from the config file: */ |
25 | harbaum | 77 | /* OSD_DIAMETER */ |
26 | /* OSD_X, OSD_Y */ | ||
27 | harbaum | 71 | |
28 | #ifndef USE_CAIRO | ||
29 | #error "OSD control display lacks a non-cairo implementation!" | ||
30 | harbaum | 70 | #endif |
31 | |||
32 | harbaum | 71 | #include <cairo.h> |
33 | |||
34 | #include "osm-gps-map.h" | ||
35 | harbaum | 73 | #include "osm-gps-map-osd-classic.h" |
36 | harbaum | 71 | |
37 | harbaum | 70 | //the osd controls |
38 | typedef struct { | ||
39 | harbaum | 74 | /* the offscreen representation of the OSD */ |
40 | harbaum | 108 | struct { |
41 | cairo_surface_t *surface; | ||
42 | gboolean rendered; | ||
43 | #ifdef OSD_GPS_BUTTON | ||
44 | gboolean gps_enabled; | ||
45 | #endif | ||
46 | } controls; | ||
47 | harbaum | 86 | |
48 | harbaum | 98 | #ifdef OSD_SCALE |
49 | harbaum | 110 | struct { |
50 | cairo_surface_t *surface; | ||
51 | int zoom; | ||
52 | } scale; | ||
53 | harbaum | 98 | #endif |
54 | harbaum | 110 | |
55 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
56 | harbaum | 110 | struct { |
57 | cairo_surface_t *surface; | ||
58 | gboolean rendered; | ||
59 | } crosshair; | ||
60 | harbaum | 105 | #endif |
61 | |||
62 | harbaum | 106 | #ifdef OSD_COORDINATES |
63 | harbaum | 110 | struct { |
64 | cairo_surface_t *surface; | ||
65 | float lat, lon; | ||
66 | } coordinates; | ||
67 | harbaum | 106 | #endif |
68 | |||
69 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
70 | harbaum | 110 | struct { |
71 | /* values to handle the "source" menu */ | ||
72 | cairo_surface_t *surface; | ||
73 | gboolean expanded; | ||
74 | gint shift, dir, count; | ||
75 | gint handler_id; | ||
76 | gint width, height; | ||
77 | } source_sel; | ||
78 | harbaum | 88 | #endif |
79 | harbaum | 87 | |
80 | harbaum | 70 | } osd_priv_t; |
81 | |||
82 | /* position and extent of bounding box */ | ||
83 | harbaum | 77 | #ifndef OSD_X |
84 | harbaum | 70 | #define OSD_X (10) |
85 | harbaum | 77 | #endif |
86 | |||
87 | #ifndef OSD_Y | ||
88 | harbaum | 70 | #define OSD_Y (10) |
89 | harbaum | 77 | #endif |
90 | harbaum | 70 | |
91 | /* parameters of the direction shape */ | ||
92 | harbaum | 77 | #ifndef OSD_DIAMETER |
93 | harbaum | 70 | #define D_RAD (30) // diameter of dpad |
94 | #else | ||
95 | harbaum | 77 | #define D_RAD (OSD_DIAMETER) |
96 | harbaum | 70 | #endif |
97 | #define D_TIP (4*D_RAD/5) // distance of arrow tip from dpad center | ||
98 | #define D_LEN (D_RAD/4) // length of arrow | ||
99 | #define D_WID (D_LEN) // width of arrow | ||
100 | |||
101 | /* parameters of the "zoom" pad */ | ||
102 | #define Z_STEP (D_RAD/4) // distance between dpad and zoom | ||
103 | #define Z_RAD (D_RAD/2) // radius of "caps" of zoom bar | ||
104 | |||
105 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
106 | harbaum | 70 | /* shadow also depends on control size */ |
107 | #define OSD_SHADOW (D_RAD/6) | ||
108 | harbaum | 74 | #else |
109 | #define OSD_SHADOW (0) | ||
110 | #endif | ||
111 | harbaum | 70 | |
112 | harbaum | 77 | /* normally the GPS button is in the center of the dpad. if there's */ |
113 | /* no dpad it will go into the zoom area */ | ||
114 | #if defined(OSD_GPS_BUTTON) && defined(OSD_NO_DPAD) | ||
115 | #define Z_GPS 1 | ||
116 | #else | ||
117 | #define Z_GPS 0 | ||
118 | #endif | ||
119 | |||
120 | harbaum | 70 | /* total width and height of controls incl. shadow */ |
121 | harbaum | 77 | #define OSD_W (2*D_RAD + OSD_SHADOW + Z_GPS * 2 * Z_RAD) |
122 | #if !Z_GPS | ||
123 | harbaum | 70 | #define OSD_H (2*D_RAD + Z_STEP + 2*Z_RAD + OSD_SHADOW) |
124 | harbaum | 77 | #else |
125 | #define OSD_H (2*Z_RAD + OSD_SHADOW) | ||
126 | #endif | ||
127 | harbaum | 70 | |
128 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
129 | harbaum | 70 | #define OSD_LBL_SHADOW (OSD_SHADOW/2) |
130 | harbaum | 74 | #endif |
131 | harbaum | 70 | |
132 | harbaum | 77 | #define Z_TOP ((1-Z_GPS) * (2 * D_RAD + Z_STEP)) |
133 | |||
134 | harbaum | 70 | #define Z_MID (Z_TOP + Z_RAD) |
135 | #define Z_BOT (Z_MID + Z_RAD) | ||
136 | #define Z_LEFT (Z_RAD) | ||
137 | harbaum | 77 | #define Z_RIGHT (2 * D_RAD - Z_RAD + Z_GPS * 2 * Z_RAD) |
138 | #define Z_CENTER ((Z_RIGHT + Z_LEFT)/2) | ||
139 | harbaum | 70 | |
140 | /* create the cairo shape used for the zoom buttons */ | ||
141 | static void | ||
142 | harbaum | 86 | osd_zoom_shape(cairo_t *cr, gint x, gint y) |
143 | harbaum | 71 | { |
144 | harbaum | 70 | cairo_move_to (cr, x+Z_LEFT, y+Z_TOP); |
145 | cairo_line_to (cr, x+Z_RIGHT, y+Z_TOP); | ||
146 | cairo_arc (cr, x+Z_RIGHT, y+Z_MID, Z_RAD, -M_PI/2, M_PI/2); | ||
147 | cairo_line_to (cr, x+Z_LEFT, y+Z_BOT); | ||
148 | cairo_arc (cr, x+Z_LEFT, y+Z_MID, Z_RAD, M_PI/2, -M_PI/2); | ||
149 | } | ||
150 | |||
151 | harbaum | 86 | /* ------------------- color/shadow functions ----------------- */ |
152 | |||
153 | #ifndef OSD_COLOR | ||
154 | /* if no color has been specified we just use the gdks default colors */ | ||
155 | static void | ||
156 | osd_labels(cairo_t *cr, gint width, gboolean enabled, | ||
157 | GdkColor *fg, GdkColor *disabled) { | ||
158 | if(enabled) gdk_cairo_set_source_color(cr, fg); | ||
159 | else gdk_cairo_set_source_color(cr, disabled); | ||
160 | cairo_set_line_width (cr, width); | ||
161 | } | ||
162 | #else | ||
163 | static void | ||
164 | osd_labels(cairo_t *cr, gint width, gboolean enabled) { | ||
165 | if(enabled) cairo_set_source_rgb (cr, OSD_COLOR); | ||
166 | else cairo_set_source_rgb (cr, OSD_COLOR_DISABLED); | ||
167 | cairo_set_line_width (cr, width); | ||
168 | } | ||
169 | #endif | ||
170 | |||
171 | #ifdef OSD_SHADOW_ENABLE | ||
172 | static void | ||
173 | osd_labels_shadow(cairo_t *cr, gint width, gboolean enabled) { | ||
174 | cairo_set_source_rgba (cr, 0, 0, 0, enabled?0.3:0.15); | ||
175 | cairo_set_line_width (cr, width); | ||
176 | } | ||
177 | #endif | ||
178 | |||
179 | harbaum | 76 | #ifndef OSD_NO_DPAD |
180 | harbaum | 70 | /* create the cairo shape used for the dpad */ |
181 | static void | ||
182 | harbaum | 86 | osd_dpad_shape(cairo_t *cr, gint x, gint y) |
183 | harbaum | 71 | { |
184 | harbaum | 70 | cairo_arc (cr, x+D_RAD, y+D_RAD, D_RAD, 0, 2 * M_PI); |
185 | } | ||
186 | harbaum | 76 | #endif |
187 | harbaum | 70 | |
188 | harbaum | 86 | #ifdef OSD_SHADOW_ENABLE |
189 | static void | ||
190 | osd_shape_shadow(cairo_t *cr) { | ||
191 | cairo_set_source_rgba (cr, 0, 0, 0, 0.2); | ||
192 | cairo_fill (cr); | ||
193 | cairo_stroke (cr); | ||
194 | } | ||
195 | #endif | ||
196 | |||
197 | #ifndef OSD_COLOR | ||
198 | /* if no color has been specified we just use the gdks default colors */ | ||
199 | static void | ||
200 | osd_shape(cairo_t *cr, GdkColor *bg, GdkColor *fg) { | ||
201 | gdk_cairo_set_source_color(cr, bg); | ||
202 | cairo_fill_preserve (cr); | ||
203 | gdk_cairo_set_source_color(cr, fg); | ||
204 | cairo_set_line_width (cr, 1); | ||
205 | cairo_stroke (cr); | ||
206 | } | ||
207 | #else | ||
208 | static void | ||
209 | osd_shape(cairo_t *cr) { | ||
210 | cairo_set_source_rgb (cr, OSD_COLOR_BG); | ||
211 | cairo_fill_preserve (cr); | ||
212 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
213 | cairo_set_line_width (cr, 1); | ||
214 | cairo_stroke (cr); | ||
215 | } | ||
216 | #endif | ||
217 | |||
218 | |||
219 | harbaum | 70 | static gboolean |
220 | osm_gps_map_in_circle(gint x, gint y, gint cx, gint cy, gint rad) | ||
221 | { | ||
222 | return( pow(cx - x, 2) + pow(cy - y, 2) < rad * rad); | ||
223 | } | ||
224 | |||
225 | harbaum | 76 | #ifndef OSD_NO_DPAD |
226 | harbaum | 70 | /* check whether x/y is within the dpad */ |
227 | static osd_button_t | ||
228 | harbaum | 86 | osd_check_dpad(gint x, gint y) |
229 | harbaum | 70 | { |
230 | /* within entire dpad circle */ | ||
231 | harbaum | 77 | if( osm_gps_map_in_circle(x, y, D_RAD, D_RAD, D_RAD)) |
232 | harbaum | 70 | { |
233 | /* convert into position relative to dpads centre */ | ||
234 | harbaum | 77 | x -= D_RAD; |
235 | y -= D_RAD; | ||
236 | harbaum | 70 | |
237 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
238 | harbaum | 70 | /* check for dpad center goes here! */ |
239 | if( osm_gps_map_in_circle(x, y, 0, 0, D_RAD/3)) | ||
240 | return OSD_GPS; | ||
241 | harbaum | 76 | #endif |
242 | harbaum | 70 | |
243 | if( y < 0 && abs(x) < abs(y)) | ||
244 | return OSD_UP; | ||
245 | |||
246 | if( y > 0 && abs(x) < abs(y)) | ||
247 | return OSD_DOWN; | ||
248 | |||
249 | if( x < 0 && abs(y) < abs(x)) | ||
250 | return OSD_LEFT; | ||
251 | |||
252 | if( x > 0 && abs(y) < abs(x)) | ||
253 | return OSD_RIGHT; | ||
254 | |||
255 | return OSD_BG; | ||
256 | } | ||
257 | return OSD_NONE; | ||
258 | } | ||
259 | harbaum | 76 | #endif |
260 | harbaum | 70 | |
261 | /* check whether x/y is within the zoom pads */ | ||
262 | static osd_button_t | ||
263 | harbaum | 86 | osd_check_zoom(gint x, gint y) { |
264 | harbaum | 77 | if( x > 0 && x < OSD_W && y > Z_TOP && y < Z_BOT) { |
265 | harbaum | 70 | |
266 | /* within circle around (-) label */ | ||
267 | harbaum | 77 | if( osm_gps_map_in_circle(x, y, Z_LEFT, Z_MID, Z_RAD)) |
268 | harbaum | 70 | return OSD_OUT; |
269 | |||
270 | harbaum | 77 | /* within circle around (+) label */ |
271 | if( osm_gps_map_in_circle(x, y, Z_RIGHT, Z_MID, Z_RAD)) | ||
272 | return OSD_IN; | ||
273 | |||
274 | #if Z_GPS == 1 | ||
275 | /* within square around center */ | ||
276 | if( x > Z_CENTER - Z_RAD && x < Z_CENTER + Z_RAD) | ||
277 | return OSD_GPS; | ||
278 | #endif | ||
279 | |||
280 | harbaum | 70 | /* between center of (-) button and center of entire zoom control area */ |
281 | harbaum | 77 | if(x > OSD_LEFT && x < D_RAD) |
282 | harbaum | 70 | return OSD_OUT; |
283 | |||
284 | /* between center of (+) button and center of entire zoom control area */ | ||
285 | harbaum | 77 | if(x < OSD_RIGHT && x > D_RAD) |
286 | harbaum | 70 | return OSD_IN; |
287 | } | ||
288 | |||
289 | return OSD_NONE; | ||
290 | } | ||
291 | |||
292 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
293 | |||
294 | harbaum | 86 | /* place source selection at right border */ |
295 | #define OSD_S_RAD (Z_RAD) | ||
296 | #define OSD_S_X (-OSD_X) | ||
297 | #define OSD_S_Y (OSD_Y) | ||
298 | #define OSD_S_PW (2 * Z_RAD) | ||
299 | #define OSD_S_W (OSD_S_PW) | ||
300 | #define OSD_S_PH (2 * Z_RAD) | ||
301 | #define OSD_S_H (OSD_S_PH + OSD_SHADOW) | ||
302 | |||
303 | harbaum | 87 | /* size of usable area when expanded */ |
304 | harbaum | 110 | #define OSD_S_AREA_W (priv->source_sel.width) |
305 | #define OSD_S_AREA_H (priv->source_sel.height) | ||
306 | harbaum | 86 | #define OSD_S_EXP_W (OSD_S_PW + OSD_S_AREA_W + OSD_SHADOW) |
307 | #define OSD_S_EXP_H (OSD_S_AREA_H + OSD_SHADOW) | ||
308 | |||
309 | /* internal value to draw the arrow on the "puller" */ | ||
310 | #define OSD_S_D0 (OSD_S_RAD/2) | ||
311 | harbaum | 87 | #ifndef OSD_FONT_SIZE |
312 | #define OSD_FONT_SIZE 16.0 | ||
313 | #endif | ||
314 | #define OSD_TEXT_BORDER (OSD_FONT_SIZE/2) | ||
315 | #define OSD_TEXT_SKIP (OSD_FONT_SIZE/8) | ||
316 | harbaum | 86 | |
317 | harbaum | 88 | /* draw the shape of the source selection OSD, either only the puller (not expanded) */ |
318 | /* or the entire menu incl. the puller (expanded) */ | ||
319 | harbaum | 86 | static void |
320 | osd_source_shape(osd_priv_t *priv, cairo_t *cr, gint x, gint y) { | ||
321 | harbaum | 110 | if(!priv->source_sel.expanded) { |
322 | harbaum | 86 | /* just draw the puller */ |
323 | cairo_move_to (cr, x + OSD_S_PW, y + OSD_S_PH); | ||
324 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
325 | cairo_line_to (cr, x + OSD_S_PW, y); | ||
326 | } else { | ||
327 | /* draw the puller and the area itself */ | ||
328 | cairo_move_to (cr, x + OSD_S_PW + OSD_S_AREA_W, y + OSD_S_AREA_H); | ||
329 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_AREA_H); | ||
330 | if(OSD_S_Y > 0) { | ||
331 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_PH); | ||
332 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
333 | } else { | ||
334 | cairo_arc (cr, x+OSD_S_RAD, y+OSD_S_AREA_H-OSD_S_RAD, OSD_S_RAD, M_PI/2, -M_PI/2); | ||
335 | cairo_line_to (cr, x + OSD_S_PW, y + OSD_S_AREA_H - OSD_S_PH); | ||
336 | cairo_line_to (cr, x + OSD_S_PW, y); | ||
337 | } | ||
338 | cairo_line_to (cr, x + OSD_S_PW + OSD_S_AREA_W, y); | ||
339 | cairo_close_path (cr); | ||
340 | } | ||
341 | } | ||
342 | |||
343 | static void | ||
344 | harbaum | 87 | osd_source_content(osm_gps_map_osd_t *osd, cairo_t *cr, gint offset) { |
345 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
346 | harbaum | 86 | |
347 | harbaum | 87 | int py = offset + OSD_S_RAD - OSD_S_D0; |
348 | |||
349 | harbaum | 110 | if(!priv->source_sel.expanded) { |
350 | harbaum | 86 | /* draw the "puller" open (<) arrow */ |
351 | harbaum | 87 | cairo_move_to (cr, offset + OSD_S_RAD + OSD_S_D0/2, py); |
352 | harbaum | 86 | cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); |
353 | cairo_rel_line_to (cr, +OSD_S_D0, +OSD_S_D0); | ||
354 | } else { | ||
355 | if(OSD_S_Y < 0) | ||
356 | harbaum | 87 | py += OSD_S_AREA_H - OSD_S_PH; |
357 | harbaum | 86 | |
358 | /* draw the "puller" close (>) arrow */ | ||
359 | harbaum | 87 | cairo_move_to (cr, offset + OSD_S_RAD - OSD_S_D0/2, py); |
360 | harbaum | 86 | cairo_rel_line_to (cr, +OSD_S_D0, +OSD_S_D0); |
361 | cairo_rel_line_to (cr, -OSD_S_D0, +OSD_S_D0); | ||
362 | harbaum | 87 | cairo_stroke(cr); |
363 | |||
364 | /* don't draw a shadow for the text content */ | ||
365 | if(offset == 1) { | ||
366 | gint source; | ||
367 | g_object_get(osd->widget, "map-source", &source, NULL); | ||
368 | |||
369 | cairo_select_font_face (cr, "Sans", | ||
370 | CAIRO_FONT_SLANT_NORMAL, | ||
371 | CAIRO_FONT_WEIGHT_BOLD); | ||
372 | cairo_set_font_size (cr, OSD_FONT_SIZE); | ||
373 | |||
374 | harbaum | 110 | int i, step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) / |
375 | harbaum | 89 | OSM_GPS_MAP_SOURCE_LAST; |
376 | harbaum | 87 | for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { |
377 | cairo_text_extents_t extents; | ||
378 | const char *src = osm_gps_map_source_get_friendly_name(i); | ||
379 | cairo_text_extents (cr, src, &extents); | ||
380 | |||
381 | int x = offset + OSD_S_PW + OSD_TEXT_BORDER; | ||
382 | int y = offset + step * (i-1) + OSD_TEXT_BORDER; | ||
383 | |||
384 | /* draw filled rectangle if selected */ | ||
385 | if(source == i) { | ||
386 | cairo_rectangle(cr, x - OSD_TEXT_BORDER/2, | ||
387 | y - OSD_TEXT_SKIP, | ||
388 | harbaum | 110 | priv->source_sel.width - OSD_TEXT_BORDER, |
389 | harbaum | 87 | step + OSD_TEXT_SKIP); |
390 | cairo_fill(cr); | ||
391 | |||
392 | /* temprarily draw with background color */ | ||
393 | #ifndef OSD_COLOR | ||
394 | GdkColor bg = osd->widget->style->bg[GTK_STATE_NORMAL]; | ||
395 | gdk_cairo_set_source_color(cr, &bg); | ||
396 | #else | ||
397 | cairo_set_source_rgb (cr, OSD_COLOR_BG); | ||
398 | #endif | ||
399 | } | ||
400 | |||
401 | cairo_move_to (cr, x, y + OSD_TEXT_SKIP - extents.y_bearing); | ||
402 | cairo_show_text (cr, src); | ||
403 | |||
404 | /* restore color */ | ||
405 | if(source == i) { | ||
406 | #ifndef OSD_COLOR | ||
407 | GdkColor fg = osd->widget->style->fg[GTK_STATE_NORMAL]; | ||
408 | gdk_cairo_set_source_color(cr, &fg); | ||
409 | #else | ||
410 | cairo_set_source_rgb (cr, OSD_COLOR); | ||
411 | #endif | ||
412 | } | ||
413 | } | ||
414 | } | ||
415 | harbaum | 86 | } |
416 | } | ||
417 | |||
418 | static void | ||
419 | osd_render_source_sel(osm_gps_map_osd_t *osd) { | ||
420 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
421 | |||
422 | #ifndef OSD_COLOR | ||
423 | GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; | ||
424 | GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; | ||
425 | GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; | ||
426 | #endif | ||
427 | |||
428 | /* draw source selector */ | ||
429 | harbaum | 110 | cairo_t *cr = cairo_create(priv->source_sel.surface); |
430 | harbaum | 86 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
431 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
432 | cairo_paint(cr); | ||
433 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
434 | |||
435 | #ifdef OSD_SHADOW_ENABLE | ||
436 | osd_source_shape(priv, cr, 1+OSD_SHADOW, 1+OSD_SHADOW); | ||
437 | osd_shape_shadow(cr); | ||
438 | #endif | ||
439 | |||
440 | osd_source_shape(priv, cr, 1, 1); | ||
441 | #ifndef OSD_COLOR | ||
442 | osd_shape(cr, &bg, &fg); | ||
443 | #else | ||
444 | osd_shape(cr); | ||
445 | #endif | ||
446 | |||
447 | #ifdef OSD_SHADOW_ENABLE | ||
448 | osd_labels_shadow(cr, Z_RAD/3, TRUE); | ||
449 | harbaum | 87 | osd_source_content(osd, cr, 1+OSD_LBL_SHADOW); |
450 | cairo_stroke (cr); | ||
451 | harbaum | 86 | #endif |
452 | #ifndef OSD_COLOR | ||
453 | osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); | ||
454 | #else | ||
455 | osd_labels(cr, Z_RAD/3, TRUE); | ||
456 | #endif | ||
457 | harbaum | 87 | osd_source_content(osd, cr, 1); |
458 | cairo_stroke (cr); | ||
459 | harbaum | 86 | |
460 | cairo_destroy(cr); | ||
461 | } | ||
462 | |||
463 | harbaum | 89 | /* re-allocate the buffer used to draw the menu. This is used */ |
464 | /* to collapse/expand the buffer */ | ||
465 | harbaum | 86 | static void |
466 | osd_source_reallocate(osm_gps_map_osd_t *osd) { | ||
467 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
468 | |||
469 | /* re-allocate offscreen bitmap */ | ||
470 | harbaum | 110 | g_assert (priv->source_sel.surface); |
471 | harbaum | 86 | |
472 | int w = OSD_S_W, h = OSD_S_H; | ||
473 | harbaum | 110 | if(priv->source_sel.expanded) { |
474 | harbaum | 87 | cairo_text_extents_t extents; |
475 | |||
476 | /* determine content size */ | ||
477 | harbaum | 110 | cairo_t *cr = cairo_create(priv->source_sel.surface); |
478 | harbaum | 87 | cairo_select_font_face (cr, "Sans", |
479 | CAIRO_FONT_SLANT_NORMAL, | ||
480 | CAIRO_FONT_WEIGHT_BOLD); | ||
481 | cairo_set_font_size (cr, OSD_FONT_SIZE); | ||
482 | |||
483 | /* calculate menu size */ | ||
484 | int i, max_h = 0, max_w = 0; | ||
485 | for(i=OSM_GPS_MAP_SOURCE_NULL+1;i<=OSM_GPS_MAP_SOURCE_LAST;i++) { | ||
486 | const char *src = osm_gps_map_source_get_friendly_name(i); | ||
487 | cairo_text_extents (cr, src, &extents); | ||
488 | |||
489 | if(extents.width > max_w) max_w = extents.width; | ||
490 | if(extents.height > max_h) max_h = extents.height; | ||
491 | } | ||
492 | cairo_destroy(cr); | ||
493 | |||
494 | harbaum | 110 | priv->source_sel.width = max_w + 2*OSD_TEXT_BORDER; |
495 | priv->source_sel.height = OSM_GPS_MAP_SOURCE_LAST * | ||
496 | harbaum | 87 | (max_h + 2*OSD_TEXT_SKIP) + 2*OSD_TEXT_BORDER; |
497 | |||
498 | harbaum | 86 | w = OSD_S_EXP_W; |
499 | h = OSD_S_EXP_H; | ||
500 | } | ||
501 | |||
502 | harbaum | 110 | cairo_surface_destroy(priv->source_sel.surface); |
503 | priv->source_sel.surface = | ||
504 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w+2, h+2); |
505 | |||
506 | osd_render_source_sel(osd); | ||
507 | } | ||
508 | |||
509 | #define OSD_HZ 15 | ||
510 | harbaum | 87 | #define OSD_TIME 500 |
511 | harbaum | 86 | |
512 | static gboolean osd_source_animate(gpointer data) { | ||
513 | osm_gps_map_osd_t *osd = (osm_gps_map_osd_t*)data; | ||
514 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
515 | int diff = OSD_S_EXP_W - OSD_S_W - OSD_S_X; | ||
516 | gboolean done = FALSE; | ||
517 | harbaum | 110 | priv->source_sel.count += priv->source_sel.dir; |
518 | harbaum | 86 | |
519 | /* shifting in */ | ||
520 | harbaum | 110 | if(priv->source_sel.dir < 0) { |
521 | if(priv->source_sel.count <= 0) { | ||
522 | priv->source_sel.count = 0; | ||
523 | harbaum | 86 | done = TRUE; |
524 | } | ||
525 | } else { | ||
526 | harbaum | 110 | if(priv->source_sel.count >= 1000) { |
527 | priv->source_sel.expanded = FALSE; | ||
528 | harbaum | 86 | osd_source_reallocate(osd); |
529 | |||
530 | harbaum | 110 | priv->source_sel.count = 1000; |
531 | harbaum | 86 | done = TRUE; |
532 | } | ||
533 | } | ||
534 | |||
535 | |||
536 | /* count runs linearly from 0 to 1000, map this nicely onto a position */ | ||
537 | |||
538 | /* nicer sinoid mapping */ | ||
539 | harbaum | 110 | float m = 0.5-cos(priv->source_sel.count * M_PI / 1000.0)/2; |
540 | priv->source_sel.shift = (osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X) + | ||
541 | harbaum | 86 | m * diff; |
542 | |||
543 | osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); | ||
544 | |||
545 | if(done) | ||
546 | harbaum | 110 | priv->source_sel.handler_id = 0; |
547 | harbaum | 86 | |
548 | return !done; | ||
549 | } | ||
550 | |||
551 | /* switch between expand and collapse mode of source selection */ | ||
552 | static void | ||
553 | osd_source_toggle(osm_gps_map_osd_t *osd) | ||
554 | { | ||
555 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
556 | |||
557 | /* ignore clicks while animation is running */ | ||
558 | harbaum | 110 | if(priv->source_sel.handler_id) |
559 | harbaum | 86 | return; |
560 | |||
561 | /* expand immediately, collapse is handle at the end of the collapse animation */ | ||
562 | harbaum | 110 | if(!priv->source_sel.expanded) { |
563 | priv->source_sel.expanded = TRUE; | ||
564 | harbaum | 86 | osd_source_reallocate(osd); |
565 | |||
566 | harbaum | 110 | priv->source_sel.count = 1000; |
567 | priv->source_sel.shift = osd->widget->allocation.width - OSD_S_W; | ||
568 | priv->source_sel.dir = -1000/OSD_HZ; | ||
569 | harbaum | 86 | } else { |
570 | harbaum | 110 | priv->source_sel.count = 0; |
571 | priv->source_sel.shift = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
572 | priv->source_sel.dir = +1000/OSD_HZ; | ||
573 | harbaum | 86 | } |
574 | |||
575 | harbaum | 110 | priv->source_sel.handler_id = gtk_timeout_add(OSD_TIME/OSD_HZ, osd_source_animate, osd); |
576 | harbaum | 86 | } |
577 | |||
578 | harbaum | 89 | /* check if the user clicked inside the source selection area */ |
579 | harbaum | 70 | static osd_button_t |
580 | harbaum | 86 | osd_source_check(osm_gps_map_osd_t *osd, gint x, gint y) { |
581 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
582 | |||
583 | harbaum | 110 | if(!priv->source_sel.expanded) |
584 | harbaum | 86 | x -= osd->widget->allocation.width - OSD_S_W; |
585 | else | ||
586 | x -= osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
587 | |||
588 | if(OSD_S_Y > 0) | ||
589 | y -= OSD_S_Y; | ||
590 | else | ||
591 | y -= osd->widget->allocation.height - OSD_S_PH + OSD_S_Y; | ||
592 | |||
593 | /* within square around puller? */ | ||
594 | if(y > 0 && y < OSD_S_PH && x > 0 && x < OSD_S_PW) { | ||
595 | /* really within puller shape? */ | ||
596 | if(x > Z_RAD || osm_gps_map_in_circle(x, y, Z_RAD, Z_RAD, Z_RAD)) { | ||
597 | /* expand source selector */ | ||
598 | osd_source_toggle(osd); | ||
599 | |||
600 | /* tell upper layers that user clicked some background element */ | ||
601 | /* of the OSD */ | ||
602 | return OSD_BG; | ||
603 | } | ||
604 | } | ||
605 | harbaum | 88 | |
606 | /* check for clicks into data area */ | ||
607 | harbaum | 110 | if(priv->source_sel.expanded && !priv->source_sel.handler_id) { |
608 | harbaum | 94 | /* re-adjust from puller top to content top */ |
609 | if(OSD_S_Y < 0) | ||
610 | y += OSD_S_EXP_H - OSD_S_PH; | ||
611 | |||
612 | harbaum | 88 | if(x > OSD_S_PW && |
613 | x < OSD_S_PW + OSD_S_EXP_W && | ||
614 | y > 0 && | ||
615 | y < OSD_S_EXP_H) { | ||
616 | harbaum | 94 | |
617 | harbaum | 110 | int step = (priv->source_sel.height - 2*OSD_TEXT_BORDER) |
618 | harbaum | 89 | / OSM_GPS_MAP_SOURCE_LAST; |
619 | harbaum | 88 | |
620 | harbaum | 89 | y -= OSD_TEXT_BORDER - OSD_TEXT_SKIP; |
621 | y /= step; | ||
622 | y += 1; | ||
623 | |||
624 | gint old = 0; | ||
625 | g_object_get(osd->widget, "map-source", &old, NULL); | ||
626 | |||
627 | if(y > OSM_GPS_MAP_SOURCE_NULL && | ||
628 | y <= OSM_GPS_MAP_SOURCE_LAST && | ||
629 | old != y) { | ||
630 | g_object_set(osd->widget, "map-source", y, NULL); | ||
631 | |||
632 | osd_render_source_sel(osd); | ||
633 | osm_gps_map_repaint(OSM_GPS_MAP(osd->widget)); | ||
634 | } | ||
635 | |||
636 | /* return "clicked in OSD background" to prevent further */ | ||
637 | /* processing by application */ | ||
638 | harbaum | 88 | return OSD_BG; |
639 | } | ||
640 | } | ||
641 | |||
642 | harbaum | 86 | return OSD_NONE; |
643 | } | ||
644 | harbaum | 88 | #endif // OSD_SOURCE_SEL |
645 | harbaum | 86 | |
646 | static osd_button_t | ||
647 | osd_check(osm_gps_map_osd_t *osd, gint x, gint y) { | ||
648 | harbaum | 70 | osd_button_t but = OSD_NONE; |
649 | |||
650 | harbaum | 86 | #ifdef OSD_SOURCE_SEL |
651 | /* the source selection area is handles internally */ | ||
652 | but = osd_source_check(osd, x, y); | ||
653 | if(but != OSD_NONE) | ||
654 | return but; | ||
655 | #endif | ||
656 | |||
657 | harbaum | 77 | x -= OSD_X; |
658 | y -= OSD_Y; | ||
659 | |||
660 | if(OSD_X < 0) | ||
661 | x -= (osd->widget->allocation.width - OSD_W); | ||
662 | |||
663 | if(OSD_Y < 0) | ||
664 | y -= (osd->widget->allocation.height - OSD_H); | ||
665 | |||
666 | harbaum | 70 | /* first do a rough test for the OSD area. */ |
667 | /* this is just to avoid an unnecessary detailed test */ | ||
668 | harbaum | 77 | if(x > 0 && x < OSD_W && y > 0 && y < OSD_H) { |
669 | harbaum | 76 | #ifndef OSD_NO_DPAD |
670 | harbaum | 86 | but = osd_check_dpad(x, y); |
671 | harbaum | 76 | #endif |
672 | harbaum | 70 | |
673 | if(but == OSD_NONE) | ||
674 | harbaum | 86 | but = osd_check_zoom(x, y); |
675 | harbaum | 70 | } |
676 | |||
677 | return but; | ||
678 | } | ||
679 | |||
680 | harbaum | 76 | #ifndef OSD_NO_DPAD |
681 | harbaum | 70 | static void |
682 | harbaum | 86 | osd_dpad_labels(cairo_t *cr, gint x, gint y) { |
683 | harbaum | 70 | /* move reference to dpad center */ |
684 | x += D_RAD; | ||
685 | y += D_RAD; | ||
686 | |||
687 | const static gint offset[][3][2] = { | ||
688 | /* left arrow/triangle */ | ||
689 | { { -D_TIP+D_LEN, -D_WID }, { -D_LEN, D_WID }, { +D_LEN, D_WID } }, | ||
690 | /* right arrow/triangle */ | ||
691 | { { +D_TIP-D_LEN, -D_WID }, { +D_LEN, D_WID }, { -D_LEN, D_WID } }, | ||
692 | /* top arrow/triangle */ | ||
693 | { { -D_WID, -D_TIP+D_LEN }, { D_WID, -D_LEN }, { D_WID, +D_LEN } }, | ||
694 | /* bottom arrow/triangle */ | ||
695 | { { -D_WID, +D_TIP-D_LEN }, { D_WID, +D_LEN }, { D_WID, -D_LEN } } | ||
696 | }; | ||
697 | |||
698 | int i; | ||
699 | for(i=0;i<4;i++) { | ||
700 | cairo_move_to (cr, x + offset[i][0][0], y + offset[i][0][1]); | ||
701 | cairo_rel_line_to (cr, offset[i][1][0], offset[i][1][1]); | ||
702 | cairo_rel_line_to (cr, offset[i][2][0], offset[i][2][1]); | ||
703 | } | ||
704 | } | ||
705 | harbaum | 76 | #endif |
706 | harbaum | 70 | |
707 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
708 | /* draw the satellite dish icon in the center of the dpad */ | ||
709 | harbaum | 77 | #define GPS_V0 (D_RAD/7) |
710 | harbaum | 70 | #define GPS_V1 (D_RAD/10) |
711 | #define GPS_V2 (D_RAD/5) | ||
712 | |||
713 | /* draw a satellite receiver dish */ | ||
714 | harbaum | 77 | /* this is either drawn in the center of the dpad (if present) */ |
715 | /* or in the middle of the zoom area */ | ||
716 | harbaum | 70 | static void |
717 | harbaum | 86 | osd_dpad_gps(cairo_t *cr, gint x, gint y) { |
718 | harbaum | 70 | /* move reference to dpad center */ |
719 | harbaum | 77 | x += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD * 3; |
720 | y += (1-Z_GPS) * D_RAD + Z_GPS * Z_RAD + GPS_V0; | ||
721 | harbaum | 70 | |
722 | cairo_move_to (cr, x-GPS_V0, y+GPS_V0); | ||
723 | cairo_rel_line_to (cr, +GPS_V0, -GPS_V0); | ||
724 | cairo_rel_line_to (cr, +GPS_V0, +GPS_V0); | ||
725 | cairo_close_path (cr); | ||
726 | |||
727 | cairo_move_to (cr, x+GPS_V1-GPS_V2, y-2*GPS_V2); | ||
728 | cairo_curve_to (cr, x-GPS_V2, y, x+GPS_V1, y+GPS_V1, x+GPS_V1+GPS_V2, y); | ||
729 | cairo_close_path (cr); | ||
730 | |||
731 | x += GPS_V1; | ||
732 | cairo_move_to (cr, x, y-GPS_V2); | ||
733 | cairo_rel_line_to (cr, +GPS_V1, -GPS_V1); | ||
734 | } | ||
735 | harbaum | 76 | #endif |
736 | harbaum | 70 | |
737 | #define Z_LEN (2*Z_RAD/3) | ||
738 | |||
739 | static void | ||
740 | harbaum | 86 | osd_zoom_labels(cairo_t *cr, gint x, gint y) { |
741 | harbaum | 70 | cairo_move_to (cr, x + Z_LEFT - Z_LEN, y + Z_MID); |
742 | cairo_line_to (cr, x + Z_LEFT + Z_LEN, y + Z_MID); | ||
743 | |||
744 | cairo_move_to (cr, x + Z_RIGHT, y + Z_MID - Z_LEN); | ||
745 | cairo_line_to (cr, x + Z_RIGHT, y + Z_MID + Z_LEN); | ||
746 | cairo_move_to (cr, x + Z_RIGHT - Z_LEN, y + Z_MID); | ||
747 | cairo_line_to (cr, x + Z_RIGHT + Z_LEN, y + Z_MID); | ||
748 | } | ||
749 | |||
750 | harbaum | 106 | #ifdef OSD_COORDINATES |
751 | |||
752 | harbaum | 107 | #ifndef OSD_COORDINATES_FONT_SIZE |
753 | #define OSD_COORDINATES_FONT_SIZE 12 | ||
754 | #endif | ||
755 | |||
756 | harbaum | 108 | #define OSD_COORDINATES_OFFSET (OSD_COORDINATES_FONT_SIZE/6) |
757 | harbaum | 107 | |
758 | harbaum | 108 | #define OSD_COORDINATES_W (8*OSD_COORDINATES_FONT_SIZE+2*OSD_COORDINATES_OFFSET) |
759 | #define OSD_COORDINATES_H (2*OSD_COORDINATES_FONT_SIZE+OSD_COORDINATES_OFFSET) | ||
760 | |||
761 | harbaum | 107 | /* these can be overwritten with versions that support */ |
762 | /* localization */ | ||
763 | #ifndef OSD_COORDINATES_CHR_N | ||
764 | #define OSD_COORDINATES_CHR_N "N" | ||
765 | #endif | ||
766 | #ifndef OSD_COORDINATES_CHR_S | ||
767 | #define OSD_COORDINATES_CHR_S "S" | ||
768 | #endif | ||
769 | #ifndef OSD_COORDINATES_CHR_E | ||
770 | #define OSD_COORDINATES_CHR_E "E" | ||
771 | #endif | ||
772 | #ifndef OSD_COORDINATES_CHR_W | ||
773 | #define OSD_COORDINATES_CHR_W "W" | ||
774 | #endif | ||
775 | |||
776 | |||
777 | |||
778 | /* this is the classic geocaching notation */ | ||
779 | static char | ||
780 | *osd_latitude_str(float latitude) { | ||
781 | char *c = OSD_COORDINATES_CHR_N; | ||
782 | float integral, fractional; | ||
783 | |||
784 | if(isnan(latitude)) | ||
785 | return NULL; | ||
786 | |||
787 | if(latitude < 0) { | ||
788 | latitude = fabs(latitude); | ||
789 | c = OSD_COORDINATES_CHR_S; | ||
790 | } | ||
791 | |||
792 | fractional = modff(latitude, &integral); | ||
793 | |||
794 | return g_strdup_printf("%s %02d° %06.3f'", | ||
795 | c, (int)integral, fractional*60.0); | ||
796 | } | ||
797 | |||
798 | static char | ||
799 | *osd_longitude_str(float longitude) { | ||
800 | char *c = OSD_COORDINATES_CHR_E; | ||
801 | float integral, fractional; | ||
802 | |||
803 | if(isnan(longitude)) | ||
804 | return NULL; | ||
805 | |||
806 | if(longitude < 0) { | ||
807 | longitude = fabs(longitude); | ||
808 | c = OSD_COORDINATES_CHR_W; | ||
809 | } | ||
810 | |||
811 | fractional = modff(longitude, &integral); | ||
812 | |||
813 | return g_strdup_printf("%s %03d° %06.3f'", | ||
814 | c, (int)integral, fractional*60.0); | ||
815 | } | ||
816 | |||
817 | harbaum | 106 | static void |
818 | osd_render_coordinates(osm_gps_map_osd_t *osd) | ||
819 | { | ||
820 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
821 | |||
822 | harbaum | 107 | /* get current map position */ |
823 | gfloat lat, lon; | ||
824 | g_object_get(osd->widget, "latitude", &lat, "longitude", &lon, NULL); | ||
825 | |||
826 | harbaum | 108 | /* check if position has changed enough to require redraw */ |
827 | harbaum | 110 | if(!isnan(priv->coordinates.lat) && !isnan(priv->coordinates.lon)) |
828 | /* 1/60000 == 1/1000 minute */ | ||
829 | if((fabsf(lat - priv->coordinates.lat) < 1/60000) && | ||
830 | (fabsf(lon - priv->coordinates.lon) < 1/60000)) | ||
831 | harbaum | 108 | return; |
832 | |||
833 | harbaum | 110 | priv->coordinates.lat = lat; |
834 | priv->coordinates.lon = lon; | ||
835 | harbaum | 108 | |
836 | /* first fill with light transparency */ | ||
837 | harbaum | 110 | cairo_t *cr = cairo_create(priv->coordinates.surface); |
838 | harbaum | 106 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
839 | harbaum | 108 | cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.5); |
840 | harbaum | 106 | cairo_paint(cr); |
841 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
842 | |||
843 | harbaum | 107 | cairo_select_font_face (cr, "Sans", |
844 | CAIRO_FONT_SLANT_NORMAL, | ||
845 | CAIRO_FONT_WEIGHT_BOLD); | ||
846 | cairo_set_font_size (cr, OSD_COORDINATES_FONT_SIZE); | ||
847 | |||
848 | char *latitude = osd_latitude_str(lat); | ||
849 | char *longitude = osd_longitude_str(lon); | ||
850 | |||
851 | cairo_text_extents_t lat_extents, lon_extents; | ||
852 | cairo_text_extents (cr, latitude, &lat_extents); | ||
853 | cairo_text_extents (cr, longitude, &lon_extents); | ||
854 | |||
855 | cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); | ||
856 | cairo_set_line_width (cr, OSD_COORDINATES_FONT_SIZE/6); | ||
857 | harbaum | 108 | cairo_move_to (cr, |
858 | (OSD_COORDINATES_W - lat_extents.width)/2, | ||
859 | harbaum | 107 | OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
860 | cairo_text_path (cr, latitude); | ||
861 | cairo_move_to (cr, | ||
862 | harbaum | 108 | (OSD_COORDINATES_W - lon_extents.width)/2, |
863 | harbaum | 107 | OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
864 | OSD_COORDINATES_FONT_SIZE); | ||
865 | cairo_text_path (cr, longitude); | ||
866 | cairo_stroke (cr); | ||
867 | |||
868 | cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); | ||
869 | cairo_move_to (cr, | ||
870 | harbaum | 108 | (OSD_COORDINATES_W - lat_extents.width)/2, |
871 | harbaum | 107 | OSD_COORDINATES_OFFSET - lat_extents.y_bearing); |
872 | cairo_show_text (cr, latitude); | ||
873 | cairo_move_to (cr, | ||
874 | harbaum | 108 | (OSD_COORDINATES_W - lon_extents.width)/2, |
875 | harbaum | 107 | OSD_COORDINATES_OFFSET - lon_extents.y_bearing + |
876 | OSD_COORDINATES_FONT_SIZE); | ||
877 | cairo_show_text (cr, longitude); | ||
878 | |||
879 | g_free(latitude); | ||
880 | g_free(longitude); | ||
881 | |||
882 | harbaum | 106 | cairo_destroy(cr); |
883 | } | ||
884 | #endif // OSD_COORDINATES | ||
885 | |||
886 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
887 | |||
888 | #ifndef OSD_CROSSHAIR_RADIUS | ||
889 | harbaum | 106 | #define OSD_CROSSHAIR_RADIUS 10 |
890 | harbaum | 105 | #endif |
891 | |||
892 | harbaum | 106 | #define OSD_CROSSHAIR_TICK (OSD_CROSSHAIR_RADIUS/2) |
893 | #define OSD_CROSSHAIR_BORDER (OSD_CROSSHAIR_TICK + OSD_CROSSHAIR_RADIUS/4) | ||
894 | #define OSD_CROSSHAIR_W ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) | ||
895 | #define OSD_CROSSHAIR_H ((OSD_CROSSHAIR_RADIUS+OSD_CROSSHAIR_BORDER)*2) | ||
896 | harbaum | 105 | |
897 | static void | ||
898 | harbaum | 106 | osd_render_crosshair_shape(cairo_t *cr) { |
899 | cairo_arc (cr, OSD_CROSSHAIR_W/2, OSD_CROSSHAIR_H/2, | ||
900 | OSD_CROSSHAIR_RADIUS, 0, 2*M_PI); | ||
901 | |||
902 | cairo_move_to (cr, OSD_CROSSHAIR_W/2 - OSD_CROSSHAIR_RADIUS, | ||
903 | OSD_CROSSHAIR_H/2); | ||
904 | cairo_rel_line_to (cr, -OSD_CROSSHAIR_TICK, 0); | ||
905 | cairo_move_to (cr, OSD_CROSSHAIR_W/2 + OSD_CROSSHAIR_RADIUS, | ||
906 | OSD_CROSSHAIR_H/2); | ||
907 | cairo_rel_line_to (cr, OSD_CROSSHAIR_TICK, 0); | ||
908 | |||
909 | cairo_move_to (cr, OSD_CROSSHAIR_W/2, | ||
910 | OSD_CROSSHAIR_H/2 - OSD_CROSSHAIR_RADIUS); | ||
911 | cairo_rel_line_to (cr, 0, -OSD_CROSSHAIR_TICK); | ||
912 | cairo_move_to (cr, OSD_CROSSHAIR_W/2, | ||
913 | OSD_CROSSHAIR_H/2 + OSD_CROSSHAIR_RADIUS); | ||
914 | cairo_rel_line_to (cr, 0, OSD_CROSSHAIR_TICK); | ||
915 | |||
916 | cairo_stroke (cr); | ||
917 | } | ||
918 | |||
919 | static void | ||
920 | harbaum | 105 | osd_render_crosshair(osm_gps_map_osd_t *osd) |
921 | { | ||
922 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
923 | |||
924 | harbaum | 110 | if(priv->crosshair.rendered) |
925 | return; | ||
926 | |||
927 | priv->crosshair.rendered = TRUE; | ||
928 | |||
929 | harbaum | 105 | /* first fill with transparency */ |
930 | harbaum | 110 | cairo_t *cr = cairo_create(priv->crosshair.surface); |
931 | harbaum | 105 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
932 | harbaum | 106 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
933 | harbaum | 105 | cairo_paint(cr); |
934 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
935 | |||
936 | harbaum | 106 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
937 | |||
938 | cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.5); | ||
939 | cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/2); | ||
940 | osd_render_crosshair_shape(cr); | ||
941 | |||
942 | cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); | ||
943 | cairo_set_line_width (cr, OSD_CROSSHAIR_RADIUS/4); | ||
944 | osd_render_crosshair_shape(cr); | ||
945 | |||
946 | harbaum | 105 | cairo_destroy(cr); |
947 | } | ||
948 | #endif | ||
949 | |||
950 | #ifdef OSD_SCALE | ||
951 | |||
952 | #ifndef OSD_SCALE_FONT_SIZE | ||
953 | #define OSD_SCALE_FONT_SIZE 12 | ||
954 | #endif | ||
955 | #define OSD_SCALE_W (10*OSD_SCALE_FONT_SIZE) | ||
956 | #define OSD_SCALE_H (5*OSD_SCALE_FONT_SIZE/2) | ||
957 | |||
958 | harbaum | 103 | /* various parameters used to create the scale */ |
959 | #define OSD_SCALE_H2 (OSD_SCALE_H/2) | ||
960 | #define OSD_SCALE_TICK (2*OSD_SCALE_FONT_SIZE/3) | ||
961 | #define OSD_SCALE_M (OSD_SCALE_H2 - OSD_SCALE_TICK) | ||
962 | #define OSD_SCALE_I (OSD_SCALE_H2 + OSD_SCALE_TICK) | ||
963 | #define OSD_SCALE_FD (OSD_SCALE_FONT_SIZE/4) | ||
964 | harbaum | 99 | |
965 | harbaum | 70 | static void |
966 | harbaum | 98 | osd_render_scale(osm_gps_map_osd_t *osd) |
967 | { | ||
968 | harbaum | 86 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
969 | harbaum | 103 | |
970 | /* this only needs to be rendered if the zoom has changed */ | ||
971 | gint zoom; | ||
972 | g_object_get(OSM_GPS_MAP(osd->widget), "zoom", &zoom, NULL); | ||
973 | harbaum | 110 | if(zoom == priv->scale.zoom) |
974 | harbaum | 103 | return; |
975 | |||
976 | harbaum | 110 | priv->scale.zoom = zoom; |
977 | harbaum | 103 | |
978 | harbaum | 99 | float m_per_pix = osm_gps_map_get_scale(OSM_GPS_MAP(osd->widget)); |
979 | harbaum | 70 | |
980 | harbaum | 98 | /* first fill with transparency */ |
981 | harbaum | 110 | cairo_t *cr = cairo_create(priv->scale.surface); |
982 | harbaum | 98 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
983 | harbaum | 100 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); |
984 | harbaum | 103 | // pink for testing: cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.2); |
985 | harbaum | 98 | cairo_paint(cr); |
986 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
987 | |||
988 | /* determine the size of the scale width in meters */ | ||
989 | harbaum | 103 | float width = (OSD_SCALE_W-OSD_SCALE_FONT_SIZE/6) * m_per_pix; |
990 | harbaum | 102 | |
991 | harbaum | 98 | /* scale this to useful values */ |
992 | int exp = logf(width)*M_LOG10E; | ||
993 | int mant = width/pow(10,exp); | ||
994 | harbaum | 99 | int width_metric = mant * pow(10,exp); |
995 | harbaum | 103 | char *dist_str = NULL; |
996 | if(width_metric<1000) | ||
997 | dist_str = g_strdup_printf("%u m", width_metric); | ||
998 | else | ||
999 | dist_str = g_strdup_printf("%u km", width_metric/1000); | ||
1000 | harbaum | 99 | width_metric /= m_per_pix; |
1001 | |||
1002 | harbaum | 102 | /* and now the hard part: scale for useful imperial values :-( */ |
1003 | /* try to convert to feet, 1ft == 0.3048 m */ | ||
1004 | width /= 0.3048; | ||
1005 | float imp_scale = 0.3048; | ||
1006 | char *dist_imp_unit = "ft"; | ||
1007 | harbaum | 99 | |
1008 | harbaum | 102 | if(width >= 100) { |
1009 | /* 1yd == 3 feet */ | ||
1010 | width /= 3.0; | ||
1011 | imp_scale *= 3.0; | ||
1012 | dist_imp_unit = "yd"; | ||
1013 | |||
1014 | if(width >= 1760.0) { | ||
1015 | /* 1mi == 1760 yd */ | ||
1016 | width /= 1760.0; | ||
1017 | imp_scale *= 1760.0; | ||
1018 | dist_imp_unit = "mi"; | ||
1019 | } | ||
1020 | } | ||
1021 | |||
1022 | harbaum | 103 | /* also convert this to full tens/hundreds */ |
1023 | exp = logf(width)*M_LOG10E; | ||
1024 | mant = width/pow(10,exp); | ||
1025 | int width_imp = mant * pow(10,exp); | ||
1026 | char *dist_str_imp = g_strdup_printf("%u %s", width_imp, dist_imp_unit); | ||
1027 | harbaum | 102 | |
1028 | harbaum | 103 | /* convert back to pixels */ |
1029 | width_imp *= imp_scale; | ||
1030 | width_imp /= m_per_pix; | ||
1031 | |||
1032 | harbaum | 99 | cairo_select_font_face (cr, "Sans", |
1033 | CAIRO_FONT_SLANT_NORMAL, | ||
1034 | CAIRO_FONT_WEIGHT_BOLD); | ||
1035 | harbaum | 102 | cairo_set_font_size (cr, OSD_SCALE_FONT_SIZE); |
1036 | harbaum | 99 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); |
1037 | |||
1038 | cairo_text_extents_t extents; | ||
1039 | cairo_text_extents (cr, dist_str, &extents); | ||
1040 | |||
1041 | harbaum | 100 | cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
1042 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1043 | cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); | ||
1044 | harbaum | 100 | cairo_text_path (cr, dist_str); |
1045 | cairo_stroke (cr); | ||
1046 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, |
1047 | OSD_SCALE_H2+OSD_SCALE_FD + extents.height); | ||
1048 | cairo_text_path (cr, dist_str_imp); | ||
1049 | cairo_stroke (cr); | ||
1050 | harbaum | 100 | |
1051 | cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); | ||
1052 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, OSD_SCALE_H2-OSD_SCALE_FD); |
1053 | harbaum | 99 | cairo_show_text (cr, dist_str); |
1054 | harbaum | 103 | cairo_move_to (cr, 2*OSD_SCALE_FD, |
1055 | OSD_SCALE_H2+OSD_SCALE_FD + extents.height); | ||
1056 | cairo_show_text (cr, dist_str_imp); | ||
1057 | harbaum | 99 | |
1058 | harbaum | 103 | g_free(dist_str); |
1059 | g_free(dist_str_imp); | ||
1060 | |||
1061 | harbaum | 99 | /* draw white line */ |
1062 | cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); | ||
1063 | cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0); | ||
1064 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/3); |
1065 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); | ||
1066 | cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); | ||
1067 | harbaum | 99 | cairo_rel_line_to (cr, width_metric, 0); |
1068 | harbaum | 103 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1069 | harbaum | 99 | cairo_stroke(cr); |
1070 | harbaum | 103 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1071 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); | ||
1072 | cairo_rel_line_to (cr, width_imp, 0); | ||
1073 | cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); | ||
1074 | cairo_stroke(cr); | ||
1075 | harbaum | 99 | |
1076 | /* draw black line */ | ||
1077 | cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0); | ||
1078 | harbaum | 103 | cairo_set_line_width (cr, OSD_SCALE_FONT_SIZE/6); |
1079 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_M); | ||
1080 | cairo_rel_line_to (cr, 0, OSD_SCALE_TICK); | ||
1081 | harbaum | 99 | cairo_rel_line_to (cr, width_metric, 0); |
1082 | harbaum | 103 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); |
1083 | harbaum | 99 | cairo_stroke(cr); |
1084 | harbaum | 103 | cairo_move_to (cr, OSD_SCALE_FONT_SIZE/6, OSD_SCALE_I); |
1085 | cairo_rel_line_to (cr, 0, -OSD_SCALE_TICK); | ||
1086 | cairo_rel_line_to (cr, width_imp, 0); | ||
1087 | cairo_rel_line_to (cr, 0, +OSD_SCALE_TICK); | ||
1088 | cairo_stroke(cr); | ||
1089 | harbaum | 99 | |
1090 | harbaum | 98 | cairo_destroy(cr); |
1091 | } | ||
1092 | harbaum | 105 | #endif |
1093 | harbaum | 98 | |
1094 | static void | ||
1095 | harbaum | 108 | osd_render_controls(osm_gps_map_osd_t *osd) |
1096 | harbaum | 98 | { |
1097 | osd_priv_t *priv = (osd_priv_t*)osd->priv; | ||
1098 | |||
1099 | harbaum | 108 | if(priv->controls.rendered |
1100 | #ifdef OSD_GPS_BUTTON | ||
1101 | && (priv->controls.gps_enabled == (osd->cb != NULL)) | ||
1102 | #endif | ||
1103 | ) | ||
1104 | return; | ||
1105 | |||
1106 | #ifdef OSD_GPS_BUTTON | ||
1107 | priv->controls.gps_enabled = (osd->cb != NULL); | ||
1108 | #endif | ||
1109 | harbaum | 110 | priv->controls.rendered = TRUE; |
1110 | harbaum | 108 | |
1111 | harbaum | 86 | #ifndef OSD_COLOR |
1112 | GdkColor bg = GTK_WIDGET(osd->widget)->style->bg[GTK_STATE_NORMAL]; | ||
1113 | GdkColor fg = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_NORMAL]; | ||
1114 | GdkColor da = GTK_WIDGET(osd->widget)->style->fg[GTK_STATE_INSENSITIVE]; | ||
1115 | harbaum | 74 | #endif |
1116 | harbaum | 70 | |
1117 | /* first fill with transparency */ | ||
1118 | harbaum | 108 | cairo_t *cr = cairo_create(priv->controls.surface); |
1119 | harbaum | 70 | cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
1120 | cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.0); | ||
1121 | cairo_paint(cr); | ||
1122 | cairo_set_operator(cr, CAIRO_OPERATOR_OVER); | ||
1123 | |||
1124 | /* --------- draw zoom and dpad shape shadow ----------- */ | ||
1125 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
1126 | harbaum | 86 | osd_zoom_shape(cr, 1+OSD_SHADOW, 1+OSD_SHADOW); |
1127 | osd_shape_shadow(cr); | ||
1128 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1129 | harbaum | 86 | osd_dpad_shape(cr, 1+OSD_SHADOW, 1+OSD_SHADOW); |
1130 | osd_shape_shadow(cr); | ||
1131 | harbaum | 74 | #endif |
1132 | harbaum | 76 | #endif |
1133 | harbaum | 70 | |
1134 | /* --------- draw zoom and dpad shape ----------- */ | ||
1135 | |||
1136 | harbaum | 86 | osd_zoom_shape(cr, 1, 1); |
1137 | harbaum | 74 | #ifndef OSD_COLOR |
1138 | harbaum | 86 | osd_shape(cr, &bg, &fg); |
1139 | harbaum | 74 | #else |
1140 | harbaum | 86 | osd_shape(cr); |
1141 | harbaum | 74 | #endif |
1142 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1143 | harbaum | 86 | osd_dpad_shape(cr, 1, 1); |
1144 | harbaum | 74 | #ifndef OSD_COLOR |
1145 | harbaum | 86 | osd_shape(cr, &bg, &fg); |
1146 | harbaum | 74 | #else |
1147 | harbaum | 86 | osd_shape(cr); |
1148 | harbaum | 74 | #endif |
1149 | harbaum | 76 | #endif |
1150 | harbaum | 70 | |
1151 | /* --------- draw zoom and dpad labels --------- */ | ||
1152 | |||
1153 | harbaum | 74 | #ifdef OSD_SHADOW_ENABLE |
1154 | harbaum | 87 | osd_labels_shadow(cr, Z_RAD/3, TRUE); |
1155 | harbaum | 86 | osd_zoom_labels(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1156 | harbaum | 76 | #ifndef OSD_NO_DPAD |
1157 | harbaum | 86 | osd_dpad_labels(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1158 | harbaum | 76 | #endif |
1159 | harbaum | 87 | cairo_stroke(cr); |
1160 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
1161 | harbaum | 87 | osd_labels_shadow(cr, Z_RAD/6, osd->cb != NULL); |
1162 | harbaum | 86 | osd_dpad_gps(cr, 1+OSD_LBL_SHADOW, 1+OSD_LBL_SHADOW); |
1163 | harbaum | 87 | cairo_stroke(cr); |
1164 | harbaum | 74 | #endif |
1165 | harbaum | 76 | #endif |
1166 | harbaum | 70 | |
1167 | harbaum | 74 | #ifndef OSD_COLOR |
1168 | harbaum | 86 | osd_labels(cr, Z_RAD/3, TRUE, &fg, &da); |
1169 | harbaum | 74 | #else |
1170 | harbaum | 86 | osd_labels(cr, Z_RAD/3, TRUE); |
1171 | harbaum | 74 | #endif |
1172 | harbaum | 87 | osd_zoom_labels(cr, 1, 1); |
1173 | #ifndef OSD_NO_DPAD | ||
1174 | osd_dpad_labels(cr, 1, 1); | ||
1175 | #endif | ||
1176 | cairo_stroke(cr); | ||
1177 | |||
1178 | harbaum | 74 | #ifndef OSD_COLOR |
1179 | harbaum | 86 | osd_labels(cr, Z_RAD/6, osd->cb != NULL, &fg, &da); |
1180 | harbaum | 74 | #else |
1181 | harbaum | 86 | osd_labels(cr, Z_RAD/6, osd->cb != NULL); |
1182 | harbaum | 74 | #endif |
1183 | harbaum | 87 | #ifdef OSD_GPS_BUTTON |
1184 | osd_dpad_gps(cr, 1, 1); | ||
1185 | harbaum | 76 | #endif |
1186 | harbaum | 87 | cairo_stroke(cr); |
1187 | harbaum | 70 | |
1188 | cairo_destroy(cr); | ||
1189 | harbaum | 108 | } |
1190 | harbaum | 86 | |
1191 | harbaum | 108 | static void |
1192 | osd_render(osm_gps_map_osd_t *osd) | ||
1193 | { | ||
1194 | osd_render_controls(osd); | ||
1195 | |||
1196 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1197 | harbaum | 86 | osd_render_source_sel(osd); |
1198 | harbaum | 88 | #endif |
1199 | harbaum | 98 | |
1200 | #ifdef OSD_SCALE | ||
1201 | osd_render_scale(osd); | ||
1202 | #endif | ||
1203 | harbaum | 105 | |
1204 | #ifdef OSD_CROSSHAIR | ||
1205 | osd_render_crosshair(osd); | ||
1206 | #endif | ||
1207 | harbaum | 106 | |
1208 | #ifdef OSD_COORDINATES | ||
1209 | osd_render_coordinates(osd); | ||
1210 | #endif | ||
1211 | harbaum | 70 | } |
1212 | |||
1213 | static void | ||
1214 | harbaum | 86 | osd_draw(osm_gps_map_osd_t *osd, GdkDrawable *drawable) |
1215 | harbaum | 70 | { |
1216 | harbaum | 73 | osd_priv_t *priv = (osd_priv_t*)osd->priv; |
1217 | harbaum | 70 | |
1218 | /* OSD itself uses some off-screen rendering, so check if the */ | ||
1219 | /* offscreen buffer is present and create it if not */ | ||
1220 | harbaum | 108 | if(!priv->controls.surface) { |
1221 | harbaum | 70 | /* create overlay ... */ |
1222 | harbaum | 108 | priv->controls.surface = |
1223 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, OSD_W+2, OSD_H+2); |
1224 | |||
1225 | harbaum | 108 | priv->controls.rendered = FALSE; |
1226 | #ifdef OSD_GPS_BUTTON | ||
1227 | priv->controls.gps_enabled = FALSE; | ||
1228 | #endif | ||
1229 | |||
1230 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1231 | harbaum | 86 | /* the initial OSD state is alway not-expanded */ |
1232 | harbaum | 110 | priv->source_sel.surface = |
1233 | harbaum | 86 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1234 | OSD_S_W+2, OSD_S_H+2); | ||
1235 | harbaum | 88 | #endif |
1236 | harbaum | 86 | |
1237 | harbaum | 98 | #ifdef OSD_SCALE |
1238 | harbaum | 110 | priv->scale.surface = |
1239 | harbaum | 98 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1240 | harbaum | 103 | OSD_SCALE_W, OSD_SCALE_H); |
1241 | harbaum | 110 | priv->scale.zoom = -1; |
1242 | harbaum | 98 | #endif |
1243 | |||
1244 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
1245 | harbaum | 110 | priv->crosshair.surface = |
1246 | harbaum | 105 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1247 | OSD_CROSSHAIR_W, OSD_CROSSHAIR_H); | ||
1248 | harbaum | 110 | priv->crosshair.rendered = FALSE; |
1249 | harbaum | 105 | #endif |
1250 | |||
1251 | harbaum | 106 | #ifdef OSD_COORDINATES |
1252 | harbaum | 110 | priv->coordinates.surface = |
1253 | harbaum | 106 | cairo_image_surface_create(CAIRO_FORMAT_ARGB32, |
1254 | OSD_COORDINATES_W, OSD_COORDINATES_H); | ||
1255 | harbaum | 108 | |
1256 | harbaum | 110 | priv->coordinates.lat = priv->coordinates.lon = OSM_GPS_MAP_INVALID; |
1257 | harbaum | 106 | #endif |
1258 | |||
1259 | harbaum | 70 | /* ... and render it */ |
1260 | harbaum | 86 | osd_render(osd); |
1261 | harbaum | 70 | } |
1262 | |||
1263 | // now draw this onto the original context | ||
1264 | harbaum | 75 | cairo_t *cr = gdk_cairo_create(drawable); |
1265 | harbaum | 77 | |
1266 | harbaum | 106 | int x, y; |
1267 | harbaum | 77 | |
1268 | harbaum | 106 | #ifdef OSD_SCALE |
1269 | x = OSD_X; | ||
1270 | y = -OSD_Y; | ||
1271 | if(x < 0) x += osd->widget->allocation.width - OSD_SCALE_W; | ||
1272 | if(y < 0) y += osd->widget->allocation.height - OSD_SCALE_H; | ||
1273 | harbaum | 77 | |
1274 | harbaum | 110 | cairo_set_source_surface(cr, priv->scale.surface, x, y); |
1275 | harbaum | 106 | cairo_paint(cr); |
1276 | #endif | ||
1277 | |||
1278 | #ifdef OSD_CROSSHAIR | ||
1279 | x = (osd->widget->allocation.width - OSD_CROSSHAIR_W)/2; | ||
1280 | y = (osd->widget->allocation.height - OSD_CROSSHAIR_H)/2; | ||
1281 | |||
1282 | harbaum | 110 | cairo_set_source_surface(cr, priv->crosshair.surface, x, y); |
1283 | harbaum | 106 | cairo_paint(cr); |
1284 | #endif | ||
1285 | |||
1286 | #ifdef OSD_COORDINATES | ||
1287 | x = -OSD_X; | ||
1288 | y = -OSD_Y; | ||
1289 | if(x < 0) x += osd->widget->allocation.width - OSD_COORDINATES_W; | ||
1290 | if(y < 0) y += osd->widget->allocation.height - OSD_COORDINATES_H; | ||
1291 | |||
1292 | harbaum | 110 | cairo_set_source_surface(cr, priv->coordinates.surface, x, y); |
1293 | harbaum | 106 | cairo_paint(cr); |
1294 | #endif | ||
1295 | |||
1296 | x = OSD_X; | ||
1297 | if(x < 0) | ||
1298 | x += osd->widget->allocation.width - OSD_W; | ||
1299 | |||
1300 | y = OSD_Y; | ||
1301 | if(y < 0) | ||
1302 | y += osd->widget->allocation.height - OSD_H; | ||
1303 | |||
1304 | harbaum | 108 | cairo_set_source_surface(cr, priv->controls.surface, x, y); |
1305 | harbaum | 70 | cairo_paint(cr); |
1306 | harbaum | 86 | |
1307 | #ifdef OSD_SOURCE_SEL | ||
1308 | harbaum | 110 | if(!priv->source_sel.handler_id) { |
1309 | harbaum | 86 | /* the OSD source selection is not being animated */ |
1310 | harbaum | 110 | if(!priv->source_sel.expanded) |
1311 | harbaum | 86 | x = osd->widget->allocation.width - OSD_S_W; |
1312 | else | ||
1313 | x = osd->widget->allocation.width - OSD_S_EXP_W + OSD_S_X; | ||
1314 | } else | ||
1315 | harbaum | 110 | x = priv->source_sel.shift; |
1316 | harbaum | 86 | |
1317 | y = OSD_S_Y; | ||
1318 | if(OSD_S_Y < 0) { | ||
1319 | harbaum | 110 | if(!priv->source_sel.expanded) |
1320 | harbaum | 86 | y = osd->widget->allocation.height - OSD_S_H + OSD_S_Y; |
1321 | else | ||
1322 | y = osd->widget->allocation.height - OSD_S_EXP_H + OSD_S_Y; | ||
1323 | } | ||
1324 | |||
1325 | harbaum | 110 | cairo_set_source_surface(cr, priv->source_sel.surface, x, y); |
1326 | harbaum | 86 | cairo_paint(cr); |
1327 | #endif | ||
1328 | |||
1329 | harbaum | 70 | cairo_destroy(cr); |
1330 | } | ||
1331 | |||
1332 | static void | ||
1333 | harbaum | 86 | osd_free(osm_gps_map_osd_t *osd) |
1334 | harbaum | 70 | { |
1335 | harbaum | 73 | osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1336 | harbaum | 70 | |
1337 | harbaum | 108 | if (priv->controls.surface) |
1338 | cairo_surface_destroy(priv->controls.surface); | ||
1339 | harbaum | 88 | |
1340 | #ifdef OSD_SOURCE_SEL | ||
1341 | harbaum | 110 | if(priv->source_sel.handler_id) |
1342 | gtk_timeout_remove(priv->source_sel.handler_id); | ||
1343 | harbaum | 86 | |
1344 | harbaum | 110 | if (priv->source_sel.surface) |
1345 | cairo_surface_destroy(priv->source_sel.surface); | ||
1346 | harbaum | 88 | #endif |
1347 | harbaum | 86 | |
1348 | harbaum | 98 | #ifdef OSD_SCALE |
1349 | harbaum | 110 | if (priv->scale.surface) |
1350 | cairo_surface_destroy(priv->scale.surface); | ||
1351 | harbaum | 98 | #endif |
1352 | |||
1353 | harbaum | 105 | #ifdef OSD_CROSSHAIR |
1354 | harbaum | 110 | if (priv->crosshair.surface) |
1355 | cairo_surface_destroy(priv->crosshair.surface); | ||
1356 | harbaum | 105 | #endif |
1357 | |||
1358 | harbaum | 106 | #ifdef OSD_COORDINATES |
1359 | harbaum | 110 | if (priv->coordinates.surface) |
1360 | cairo_surface_destroy(priv->coordinates.surface); | ||
1361 | harbaum | 106 | #endif |
1362 | |||
1363 | harbaum | 73 | g_free(priv); |
1364 | } | ||
1365 | |||
1366 | harbaum | 87 | static gboolean |
1367 | osd_busy(osm_gps_map_osd_t *osd) | ||
1368 | { | ||
1369 | harbaum | 88 | #ifdef OSD_SOURCE_SEL |
1370 | harbaum | 87 | osd_priv_t *priv = (osd_priv_t *)(osd->priv); |
1371 | harbaum | 110 | return (priv->source_sel.handler_id != 0); |
1372 | harbaum | 88 | #else |
1373 | return FALSE; | ||
1374 | #endif | ||
1375 | harbaum | 87 | } |
1376 | |||
1377 | harbaum | 73 | static osm_gps_map_osd_t osd_classic = { |
1378 | harbaum | 88 | .widget = NULL, |
1379 | |||
1380 | harbaum | 86 | .draw = osd_draw, |
1381 | .check = osd_check, | ||
1382 | .render = osd_render, | ||
1383 | .free = osd_free, | ||
1384 | harbaum | 87 | .busy = osd_busy, |
1385 | harbaum | 73 | |
1386 | .cb = NULL, | ||
1387 | .data = NULL, | ||
1388 | |||
1389 | .priv = NULL | ||
1390 | }; | ||
1391 | |||
1392 | /* this is the only function that's externally visible */ | ||
1393 | void | ||
1394 | osm_gps_map_osd_classic_init(OsmGpsMap *map) | ||
1395 | { | ||
1396 | osd_priv_t *priv = osd_classic.priv = g_new0(osd_priv_t, 1); | ||
1397 | |||
1398 | osd_classic.priv = priv; | ||
1399 | |||
1400 | osm_gps_map_register_osd(map, &osd_classic); | ||
1401 | } | ||
1402 | |||
1403 | harbaum | 76 | #ifdef OSD_GPS_BUTTON |
1404 | harbaum | 74 | /* below are osd specific functions which aren't used by osm-gps-map */ |
1405 | /* but instead are to be used by the main application */ | ||
1406 | harbaum | 76 | void osm_gps_map_osd_enable_gps (OsmGpsMap *map, OsmGpsMapOsdCallback cb, |
1407 | gpointer data) { | ||
1408 | harbaum | 73 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); |
1409 | g_return_if_fail (osd); | ||
1410 | |||
1411 | osd->cb = cb; | ||
1412 | osd->data = data; | ||
1413 | |||
1414 | harbaum | 70 | /* this may have changed the state of the gps button */ |
1415 | /* we thus re-render the overlay */ | ||
1416 | harbaum | 73 | osd->render(osd); |
1417 | harbaum | 70 | |
1418 | harbaum | 73 | osm_gps_map_redraw(map); |
1419 | harbaum | 70 | } |
1420 | harbaum | 76 | #endif |
1421 | harbaum | 86 | |
1422 | osd_button_t | ||
1423 | osm_gps_map_osd_check(OsmGpsMap *map, gint x, gint y) { | ||
1424 | osm_gps_map_osd_t *osd = osm_gps_map_osd_get(map); | ||
1425 | g_return_val_if_fail (osd, OSD_NONE); | ||
1426 | |||
1427 | return osd_check(osd, x, y); | ||
1428 | } |