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Overlay icons
1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. |
3 | * |
4 | * This file is part of GPXView. |
5 | * |
6 | * GPXView is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation, either version 3 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * GPXView is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. |
18 | */ |
19 | |
20 | #include "gpxview.h" |
21 | #include <math.h> // for isnan() |
22 | |
23 | struct icon_data { |
24 | GdkPixbuf **data; |
25 | int count; |
26 | } icons[] = { |
27 | { NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE */ |
28 | { NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE_SEMI */ |
29 | { NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE_1_5X */ |
30 | { NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE_2X */ |
31 | { NULL, CACHE_CONT_MAX+1 }, /* ICON_CACHE_SIZE */ |
32 | { NULL, 9 }, /* ICON_STARS */ |
33 | { NULL, LOG_TYPE_MAX+1 }, /* ICON_LOG */ |
34 | { NULL, 9 }, /* ICON_HEADING */ |
35 | { NULL, WPT_SYM_MAX+1 }, /* ICON_WPT */ |
36 | { NULL, 2 }, /* ICON_TB */ |
37 | { NULL, 9 }, /* ICON_MISC */ |
38 | { NULL, 3 }, /* ICON_FILE */ |
39 | { NULL, -1 } |
40 | }; |
41 | |
42 | /* ICON_CACHE_TYPE / ICON_CACHE_TYPE_SEMI / ICON_CACHE_TYPE_2X */ |
43 | const char *cache_type_icon_name[] = { |
44 | "traditional", "multi", "mystery", "virtual", "webcam", "event", |
45 | "letterbox", "earthcache", "wherigo", "megaevent", "cito", |
46 | |
47 | /* special overlays */ |
48 | "override", "found", "note" |
49 | }; |
50 | |
51 | /* ICON_CACHE_SIZE */ |
52 | const char *cache_size_icon_name[] = { |
53 | "regular", "small", "micro", "other", "not_chosen", "large", |
54 | "virtual" |
55 | }; |
56 | |
57 | /* ICON_STARS */ |
58 | const char *stars_icon_name[] = { |
59 | "1", "1_5", "2", "2_5", "3", "3_5", "4", "4_5", "5" |
60 | }; |
61 | |
62 | /* ICON_LOG */ |
63 | const char *log_icon_name[] = { |
64 | "smile", "sad", "maint", "note", "big_smile", "enabled", |
65 | "greenlight", "rsvp", "attended", "camera", "disabled", |
66 | "needsmaint", "coord_update", |
67 | "traffic_cone", |
68 | "traffic_cone", /* LOG_TYPE_NEEDS_ARCHIVED */ |
69 | "traffic_cone", |
70 | }; |
71 | |
72 | /* ICON_HEADING */ |
73 | const char *heading_icon_name[] = { |
74 | "n", "ne", "e", "se", "s", "sw", "w", "nw", "none" |
75 | }; |
76 | |
77 | /* ICON_WPT */ |
78 | const char *wpt_sym_icon_name[] = { |
79 | "multistage", "parking", "final", "question", |
80 | "trailhead", "refpoint", |
81 | }; |
82 | |
83 | /* ICON_TB */ |
84 | const char *tb_icon_name[] = { |
85 | "tb", "coin" |
86 | }; |
87 | |
88 | /* locked/unlocked -1 */ |
89 | /* mapper-in -2 */ |
90 | /* delete/paypal -3 */ |
91 | |
92 | /* ICON_MISC */ |
93 | const char *misc_icon_name[] = { |
94 | "maemo-mapper-out", "override", "locked", "unlocked", "found", |
95 | "maemo-mapper-in", "note", "delete", "paypal" |
96 | }; |
97 | |
98 | /* ICON_FILE */ |
99 | const char *file_icon_name[] = { |
100 | "gc", "folder", "zip" |
101 | }; |
102 | |
103 | static void icons_load(int type, char *format, const char *names[]) { |
104 | int i; |
105 | |
106 | if(!icons[type].count) { |
107 | icons[type].data = NULL; |
108 | return; |
109 | } |
110 | |
111 | icons[type].data = malloc(sizeof(GdkPixbuf *) * icons[type].count); |
112 | |
113 | for(i=0;i<icons[type].count;i++) { |
114 | if(names[i]) { |
115 | GError *error = NULL; |
116 | char filename[128]; |
117 | strcpy(filename, ICONPATH); |
118 | snprintf(filename+strlen(filename), |
119 | sizeof(filename)-strlen(filename), format, names[i], "png"); |
120 | icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error); |
121 | |
122 | if(error) { |
123 | /* try gif */ |
124 | error = NULL; |
125 | strcpy(filename, ICONPATH); |
126 | snprintf(filename+strlen(filename), |
127 | sizeof(filename)-strlen(filename), format, names[i], "gif"); |
128 | icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error); |
129 | |
130 | if(error) { |
131 | error = NULL; |
132 | /* try again in local dir */ |
133 | strcpy(filename, "./data/icons/"); |
134 | snprintf(filename+strlen(filename), |
135 | sizeof(filename)-strlen(filename), format, names[i], "png"); |
136 | icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error); |
137 | |
138 | if(error) { |
139 | error = NULL; |
140 | /* try gif */ |
141 | strcpy(filename, "./data/icons/"); |
142 | snprintf(filename+strlen(filename), |
143 | sizeof(filename)-strlen(filename), format, names[i], "gif"); |
144 | icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error); |
145 | |
146 | |
147 | if(error) { |
148 | icons[type].data[i] = NULL; |
149 | g_warning("Could not load cache type icon %s: %s\n", |
150 | names[i], error->message); |
151 | g_error_free(error); |
152 | error = NULL; |
153 | } |
154 | } |
155 | } |
156 | } |
157 | } else |
158 | icons[type].data[i] = NULL; |
159 | } |
160 | } |
161 | |
162 | void icons_init(void) { |
163 | |
164 | /* load cache type icons */ |
165 | icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name); |
166 | |
167 | /* load semitransparent cache type icons */ |
168 | icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name); |
169 | |
170 | /* load 150% sized cache type icons */ |
171 | icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name); |
172 | |
173 | /* load double sized cache type icons */ |
174 | icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name); |
175 | |
176 | /* load cache container/size icons */ |
177 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
178 | icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name); |
179 | #else |
180 | icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name); |
181 | #endif |
182 | |
183 | /* load cache difficulty/terrain/quality icons */ |
184 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
185 | icons_load(ICON_STARS, "12x12/stars%s.%s", stars_icon_name); |
186 | #else |
187 | icons_load(ICON_STARS, "16x16/stars%s.%s", stars_icon_name); |
188 | #endif |
189 | |
190 | /* load cache log icons */ |
191 | icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name); |
192 | |
193 | /* load icons to visualize heading */ |
194 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
195 | icons_load(ICON_HEADING, "32x32/heading_%s.%s", heading_icon_name); |
196 | #else |
197 | icons_load(ICON_HEADING, "48x48/heading_%s.%s", heading_icon_name); |
198 | #endif |
199 | |
200 | /* load waypoint icons */ |
201 | icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name); |
202 | |
203 | /* load travelbug/coin icons */ |
204 | icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name); |
205 | |
206 | /* load misc icons */ |
207 | icons_load(ICON_MISC, "%s.%s", misc_icon_name); |
208 | |
209 | /* load file icons */ |
210 | icons_load(ICON_FILE, "file_%s.%s", file_icon_name); |
211 | } |
212 | |
213 | void icons_free(void) { |
214 | int i; |
215 | struct icon_data *icon = icons; |
216 | |
217 | while(icon->count >= 0) { |
218 | if(icon->count) { |
219 | for(i=0;i<icon->count;i++) |
220 | if(icon->data[i]) |
221 | gdk_pixbuf_unref(icon->data[i]); |
222 | |
223 | free(icon->data); |
224 | } |
225 | |
226 | icon++; |
227 | } |
228 | } |
229 | |
230 | GdkPixbuf *icon_get(int type, int num) { |
231 | if(num < 0) return NULL; |
232 | if(num >= icons[type].count) return NULL; |
233 | |
234 | return icons[type].data[num]; |
235 | } |
236 | |
237 | GtkWidget *icon_get_widget(int type, int num) { |
238 | GdkPixbuf *pbuf = icon_get(type, num); |
239 | if(!pbuf) return NULL; |
240 | |
241 | return gtk_image_new_from_pixbuf(pbuf); |
242 | } |
243 | |
244 | GdkPixbuf *icon_bearing(pos_t from, pos_t to) { |
245 | if(isnan(from.lat) || isnan(from.lon) || |
246 | isnan(to.lat) || isnan(to.lon)) |
247 | return icon_get(ICON_HEADING, 8); |
248 | |
249 | int idx = (gpx_pos_get_bearing(from, to)+22.5)/45.0; |
250 | |
251 | /* make sure we stay in icon bounds */ |
252 | if(idx < 0) idx += 8; |
253 | if(idx > 7) idx -= 8; |
254 | return icon_get(ICON_HEADING, idx); |
255 | } |
256 |