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Attribute icon handling
| 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+5 }, /* ICON_CACHE_TYPE */ |
| 28 | { NULL, CACHE_TYPE_MAX+5 }, /* ICON_CACHE_TYPE_SEMI */ |
| 29 | { NULL, CACHE_TYPE_MAX+5 }, /* ICON_CACHE_TYPE_1_5X */ |
| 30 | { NULL, CACHE_TYPE_MAX+5 }, /* 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, 8 }, /* ICON_MISC */ |
| 38 | { NULL, WPT_SYM_MAX+CACHE_TYPE_MAX+11 },/* ICON_POS */ |
| 39 | { NULL, 3 }, /* ICON_FILE */ |
| 40 | { NULL, 46 }, /* ICON_ATT */ |
| 41 | { NULL, -1 } |
| 42 | }; |
| 43 | |
| 44 | /* ICON_ATT */ |
| 45 | static const char *att_icon_name[] = { |
| 46 | "no", "unknown", |
| 47 | "dogs", "fee", "rappelling", "boat", // 1-4 |
| 48 | "scuba", "kids", "onehour", "scenic", "hiking", // 5-9 |
| 49 | "climbing", "wading", "swimming", "available", "night", // 10-14 |
| 50 | "winter", "unknown", "poisonoak", "snakes", "ticks", // 15-19 |
| 51 | "mine", "cliff", "hunting", "danger", "wheelchair", // 20-24 |
| 52 | "parking", "public", "water", "restrooms", "phone", // 25-29 |
| 53 | "picnic", "camping", "bicycles", "motorcycles", "quads", // 30-34 |
| 54 | "jeeps", "snowmobiles", "horses", "campfires", "thorn", // 35-39 |
| 55 | "stealth", "stroller", "firstaid", "cow", "flashlight", // 40-44 |
| 56 | |
| 57 | NULL |
| 58 | }; |
| 59 | |
| 60 | /* ICON_CACHE_TYPE / ICON_CACHE_TYPE_SEMI / ICON_CACHE_TYPE_2X */ |
| 61 | const char *cache_type_icon_name[] = { |
| 62 | "traditional", "multi", "mystery", "virtual", "webcam", "event", |
| 63 | "letterbox", "earthcache", "wherigo", "megaevent", "cito", |
| 64 | |
| 65 | /* special overlays */ |
| 66 | "ovl_override", "ovl_found", "ovl_note", "ovl_mine", |
| 67 | |
| 68 | NULL |
| 69 | }; |
| 70 | |
| 71 | /* ICON_CACHE_SIZE */ |
| 72 | const char *cache_size_icon_name[] = { |
| 73 | "regular", "small", "micro", "other", "not_chosen", "large", |
| 74 | "virtual", NULL |
| 75 | }; |
| 76 | |
| 77 | /* ICON_STARS */ |
| 78 | const char *stars_icon_name[] = { |
| 79 | "1", "1_5", "2", "2_5", "3", "3_5", "4", "4_5", "5", NULL |
| 80 | }; |
| 81 | |
| 82 | /* ICON_LOG */ |
| 83 | const char *log_icon_name[] = { |
| 84 | "smile", "sad", "maint", "note", "big_smile", "enabled", |
| 85 | "greenlight", "rsvp", "attended", "camera", "disabled", |
| 86 | "needsmaint", "coord_update", |
| 87 | "traffic_cone", |
| 88 | "traffic_cone", /* LOG_TYPE_NEEDS_ARCHIVED */ |
| 89 | "traffic_cone", |
| 90 | NULL |
| 91 | }; |
| 92 | |
| 93 | /* ICON_HEADING */ |
| 94 | const char *heading_icon_name[] = { |
| 95 | "n", "ne", "e", "se", "s", "sw", "w", "nw", "none", NULL |
| 96 | }; |
| 97 | |
| 98 | /* ICON_WPT */ |
| 99 | const char *wpt_sym_icon_name[] = { |
| 100 | "multistage", "parking", "final", "question", |
| 101 | "trailhead", "refpoint", NULL |
| 102 | }; |
| 103 | |
| 104 | /* ICON_TB */ |
| 105 | const char *tb_icon_name[] = { |
| 106 | "tb", "coin", NULL |
| 107 | }; |
| 108 | |
| 109 | /* ICON_MISC */ |
| 110 | const char *misc_icon_name[] = { |
| 111 | "locked", "unlocked", "delete", |
| 112 | #ifdef FREMANTLE |
| 113 | "64x64/paypal", |
| 114 | #else |
| 115 | "32x32/paypal", |
| 116 | #endif |
| 117 | "32x32/pos_geomath", |
| 118 | #ifdef FREMANTLE |
| 119 | "64x64/gpxview", |
| 120 | #else |
| 121 | "32x32/gpxview", |
| 122 | #endif |
| 123 | #ifndef USE_MAEMO |
| 124 | "16x16/speaker", "16x16/speaker_off", |
| 125 | #else |
| 126 | #ifndef FREMANTLE |
| 127 | "24x24/speaker", "24x24/speaker_off", |
| 128 | #else |
| 129 | "32x32/speaker", "32x32/speaker_off", |
| 130 | #endif |
| 131 | #endif |
| 132 | |
| 133 | NULL |
| 134 | }; |
| 135 | |
| 136 | /* ICON_POS */ |
| 137 | const char *pos_icon_name[] = { |
| 138 | "wpt_multistage", "wpt_parking", "wpt_final", |
| 139 | "wpt_question", "wpt_trailhead", "wpt_refpoint", |
| 140 | |
| 141 | "cache_type_traditional", "cache_type_multi", "cache_type_mystery", |
| 142 | "cache_type_virtual", "cache_type_webcam", "cache_type_event", |
| 143 | "cache_type_letterbox", "cache_type_earthcache", "cache_type_wherigo", |
| 144 | "cache_type_megaevent", "cache_type_cito", |
| 145 | |
| 146 | "pos_wpt", "pos_gps", "pos_geomath", "pos_map", "pos_home", |
| 147 | |
| 148 | "pos_get", "pos_set", "maemo-mapper", "clipboard", |
| 149 | |
| 150 | NULL |
| 151 | }; |
| 152 | |
| 153 | /* ICON_FILE */ |
| 154 | const char *file_icon_name[] = { |
| 155 | "gc", "folder", "zip", NULL |
| 156 | }; |
| 157 | |
| 158 | static void icons_load(int type, char *format, const char *names[]) { |
| 159 | int i; |
| 160 | |
| 161 | if(!icons[type].count) { |
| 162 | icons[type].data = NULL; |
| 163 | return; |
| 164 | } |
| 165 | |
| 166 | icons[type].data = malloc(sizeof(GdkPixbuf *) * icons[type].count); |
| 167 | |
| 168 | for(i=0;i<icons[type].count;i++) { |
| 169 | g_assert(names[i]); |
| 170 | |
| 171 | GError *error = NULL; |
| 172 | char filename[128]; |
| 173 | strcpy(filename, ICONPATH); |
| 174 | snprintf(filename+strlen(filename), |
| 175 | sizeof(filename)-strlen(filename), format, names[i], "png"); |
| 176 | icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error); |
| 177 | |
| 178 | if(error) { |
| 179 | error = NULL; |
| 180 | /* try again in local dir */ |
| 181 | strcpy(filename, "./data/icons/"); |
| 182 | snprintf(filename+strlen(filename), |
| 183 | sizeof(filename)-strlen(filename), format, names[i], "png"); |
| 184 | icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error); |
| 185 | |
| 186 | if(error) { |
| 187 | icons[type].data[i] = NULL; |
| 188 | g_warning("Could not load icon %s: %s\n", names[i], error->message); |
| 189 | g_error_free(error); |
| 190 | error = NULL; |
| 191 | } |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | g_assert(!names[i]); |
| 196 | } |
| 197 | |
| 198 | void icons_init(void) { |
| 199 | |
| 200 | /* load cache type icons */ |
| 201 | icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name); |
| 202 | |
| 203 | /* load semitransparent cache type icons */ |
| 204 | icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name); |
| 205 | |
| 206 | /* load 150% sized cache type icons */ |
| 207 | icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name); |
| 208 | |
| 209 | /* load double sized cache type icons */ |
| 210 | icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name); |
| 211 | |
| 212 | /* load cache container/size icons */ |
| 213 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
| 214 | icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name); |
| 215 | #else |
| 216 | icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name); |
| 217 | #endif |
| 218 | |
| 219 | /* load cache difficulty/terrain/quality icons */ |
| 220 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
| 221 | icons_load(ICON_STARS, "12x12/stars%s.%s", stars_icon_name); |
| 222 | #else |
| 223 | icons_load(ICON_STARS, "16x16/stars%s.%s", stars_icon_name); |
| 224 | #endif |
| 225 | |
| 226 | /* load cache log icons */ |
| 227 | icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name); |
| 228 | |
| 229 | /* load icons to visualize heading */ |
| 230 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
| 231 | icons_load(ICON_HEADING, "32x32/heading_%s.%s", heading_icon_name); |
| 232 | #else |
| 233 | icons_load(ICON_HEADING, "48x48/heading_%s.%s", heading_icon_name); |
| 234 | #endif |
| 235 | |
| 236 | /* load waypoint icons */ |
| 237 | icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name); |
| 238 | |
| 239 | /* load travelbug/coin icons */ |
| 240 | icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name); |
| 241 | |
| 242 | /* load misc icons */ |
| 243 | icons_load(ICON_MISC, "%s.%s", misc_icon_name); |
| 244 | |
| 245 | /* load pos icons */ |
| 246 | #if !defined(USE_MAEMO) |
| 247 | icons_load(ICON_POS, "16x16/%s.%s", pos_icon_name); |
| 248 | #else |
| 249 | #if (MAEMO_VERSION_MAJOR < 5) |
| 250 | icons_load(ICON_POS, "24x24/%s.%s", pos_icon_name); |
| 251 | #else |
| 252 | icons_load(ICON_POS, "32x32/%s.%s", pos_icon_name); |
| 253 | #endif |
| 254 | #endif |
| 255 | |
| 256 | /* load file icons */ |
| 257 | icons_load(ICON_FILE, "file_%s.%s", file_icon_name); |
| 258 | |
| 259 | /* load attribute icons */ |
| 260 | icons_load(ICON_ATT, "32x32/att_%s.%s", att_icon_name); |
| 261 | } |
| 262 | |
| 263 | void icons_free(void) { |
| 264 | int i; |
| 265 | struct icon_data *icon = icons; |
| 266 | |
| 267 | while(icon->count >= 0) { |
| 268 | if(icon->count) { |
| 269 | for(i=0;i<icon->count;i++) |
| 270 | if(icon->data[i]) |
| 271 | gdk_pixbuf_unref(icon->data[i]); |
| 272 | |
| 273 | free(icon->data); |
| 274 | } |
| 275 | |
| 276 | icon++; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | GdkPixbuf *icon_get(int type, int num) { |
| 281 | if(num < 0) return NULL; |
| 282 | if(num >= icons[type].count) return NULL; |
| 283 | |
| 284 | return icons[type].data[num]; |
| 285 | } |
| 286 | |
| 287 | GtkWidget *icon_get_widget(int type, int num) { |
| 288 | GdkPixbuf *pbuf = icon_get(type, num); |
| 289 | if(!pbuf) return NULL; |
| 290 | |
| 291 | return gtk_image_new_from_pixbuf(pbuf); |
| 292 | } |
| 293 | |
| 294 | /* routine to overlay two pixbufs */ |
| 295 | GdkPixbuf *pixbuf_overlay(GdkPixbuf *bot, GdkPixbuf *top) { |
| 296 | GdkPixbuf *pix = gdk_pixbuf_copy(bot); |
| 297 | |
| 298 | gdk_pixbuf_composite(top, pix, |
| 299 | 0, 0, gdk_pixbuf_get_width(bot), gdk_pixbuf_get_height(bot), |
| 300 | 0.0, 0.0, 1.0, 1.0, GDK_INTERP_NEAREST, 255); |
| 301 | |
| 302 | return pix; |
| 303 | } |
| 304 | |
| 305 | GtkWidget *icon_get_widget_ovl(int type, int num, int ovl) { |
| 306 | GdkPixbuf *pbuf0 = icon_get(type, num); |
| 307 | GdkPixbuf *pbuf1 = icon_get(type, ovl); |
| 308 | if(!pbuf0 || !pbuf1) return NULL; |
| 309 | |
| 310 | GdkPixbuf *pbuf = pixbuf_overlay(pbuf0, pbuf1); |
| 311 | GtkWidget *widget = gtk_image_new_from_pixbuf(pbuf); |
| 312 | |
| 313 | /* widget now holds a reference */ |
| 314 | gdk_pixbuf_unref(pbuf); |
| 315 | |
| 316 | return widget; |
| 317 | } |
| 318 | |
| 319 | GdkPixbuf *icon_bearing(pos_t from, pos_t to) { |
| 320 | if(isnan(from.lat) || isnan(from.lon) || |
| 321 | isnan(to.lat) || isnan(to.lon)) |
| 322 | return icon_get(ICON_HEADING, 8); |
| 323 | |
| 324 | int idx = (gpx_pos_get_bearing(from, to)+22.5)/45.0; |
| 325 | |
| 326 | /* make sure we stay in icon bounds */ |
| 327 | if(idx < 0) idx += 8; |
| 328 | if(idx > 7) idx -= 8; |
| 329 | return icon_get(ICON_HEADING, idx); |
| 330 | } |
| 331 |