trunk/src/icons.c

/*
 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
 *
 * This file is part of GPXView.
 *
 * GPXView is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GPXView is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GPXView.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "gpxview.h"
#include <math.h>     // for isnan()

struct icon_data {
  GdkPixbuf **data;
  int count;
} icons[] = {
  { NULL, CACHE_TYPE_MAX+5 },             /* ICON_CACHE_TYPE      */
  { NULL, CACHE_TYPE_MAX+5 },             /* ICON_CACHE_TYPE_SEMI */
  { NULL, CACHE_TYPE_MAX+5 },             /* ICON_CACHE_TYPE_1_5X */
  { NULL, CACHE_TYPE_MAX+5 },             /* ICON_CACHE_TYPE_2X   */
  { NULL, CACHE_CONT_MAX+1 },             /* ICON_CACHE_SIZE      */
  { NULL, 9 },                            /* ICON_STARS           */
  { NULL, LOG_TYPE_MAX+1 },               /* ICON_LOG             */
  { NULL, 9 },                            /* ICON_HEADING         */
  { NULL, WPT_SYM_MAX+1 },                /* ICON_WPT             */
  { NULL, 2 },                            /* ICON_TB              */
  { NULL, 6 },                            /* ICON_MISC            */
  { NULL, WPT_SYM_MAX+CACHE_TYPE_MAX+10 },/* ICON_POS             */
  { NULL, 3 },                            /* ICON_FILE            */
  { NULL, -1 }
};

/* ICON_CACHE_TYPE / ICON_CACHE_TYPE_SEMI / ICON_CACHE_TYPE_2X */
const char *cache_type_icon_name[] = {
  "traditional", "multi",      "mystery", "virtual", "webcam", "event",
  "letterbox",   "earthcache", "wherigo", "megaevent", "cito",

  /* special overlays */
  "ovl_override", "ovl_found", "ovl_note", "ovl_mine",

  NULL
};

/* ICON_CACHE_SIZE */
const char *cache_size_icon_name[] = {
  "regular", "small",      "micro", "other", "not_chosen", "large",
  "virtual", NULL
};

/* ICON_STARS      */
const char *stars_icon_name[] = {
  "1", "1_5", "2", "2_5", "3", "3_5", "4", "4_5", "5", NULL
};

/* ICON_LOG        */
const char *log_icon_name[] = {
  "smile", "sad", "maint", "note", "big_smile", "enabled",
  "greenlight", "rsvp", "attended", "camera", "disabled",
  "needsmaint", "coord_update",
  "traffic_cone",
  "traffic_cone", /* LOG_TYPE_NEEDS_ARCHIVED */
  "traffic_cone", 
  NULL
};  

/* ICON_HEADING    */
const char *heading_icon_name[] = {
  "n", "ne", "e", "se", "s", "sw", "w", "nw", "none", NULL
};

/* ICON_WPT        */
const char *wpt_sym_icon_name[] = {
  "multistage", "parking", "final", "question",
  "trailhead", "refpoint", NULL
};

/* ICON_TB         */
const char *tb_icon_name[] = {
  "tb", "coin", NULL
};

/* ICON_MISC         */
const char *misc_icon_name[] = {
  "locked", "unlocked", "delete", 
#ifdef FREMANTLE
  "64x64/paypal", 
#else
  "32x32/paypal", 
#endif
  "32x32/pos_geomath", 
#ifdef FREMANTLE
  "64x64/gpxview",
#else
  "32x32/gpxview",
#endif
  NULL
};

/* ICON_POS        */
const char *pos_icon_name[] = {
  "wpt_multistage",         "wpt_parking",           "wpt_final",
  "wpt_question",           "wpt_trailhead",         "wpt_refpoint", 

  "cache_type_traditional", "cache_type_multi",      "cache_type_mystery", 
  "cache_type_virtual",     "cache_type_webcam",     "cache_type_event",
  "cache_type_letterbox",   "cache_type_earthcache", "cache_type_wherigo", 
  "cache_type_megaevent",   "cache_type_cito",

  "pos_wpt", "pos_gps", "pos_geomath", "pos_map", "pos_home",

  "pos_get", "pos_set", "maemo-mapper",

  NULL
};

/* ICON_FILE         */
const char *file_icon_name[] = {
  "gc", "folder", "zip", NULL
};

static void icons_load(int type, char *format, const char *names[]) {
  int i;

  if(!icons[type].count) {
    icons[type].data = NULL;
    return;
  }

  icons[type].data = malloc(sizeof(GdkPixbuf *) * icons[type].count);
  
  for(i=0;i<icons[type].count;i++) {
    g_assert(names[i]);

    GError *error = NULL;
    char filename[128];
    strcpy(filename, ICONPATH);
    snprintf(filename+strlen(filename),
             sizeof(filename)-strlen(filename), format, names[i], "png");
    icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
    
    if(error) {
      error = NULL;
      /* try again in local dir */
      strcpy(filename, "./data/icons/");
      snprintf(filename+strlen(filename), 
               sizeof(filename)-strlen(filename), format, names[i], "png");
      icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
        
      if(error) {
        icons[type].data[i] = NULL;
        g_warning("Could not load cache type icon %s: %s\n", 
                      names[i], error->message);
        g_error_free(error);
        error = NULL;
      }   
    }
  }
  
  g_assert(!names[i]);
}

void icons_init(void) {

  /* load cache type icons */
  icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name);

  /* load semitransparent cache type icons */
  icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name);

  /* load 150% sized cache type icons */
  icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name);

  /* load double sized cache type icons */
  icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name);

  /* load cache container/size icons */
#if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
  icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name);
#else
  icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name);
#endif

  /* load cache difficulty/terrain/quality icons */
#if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
  icons_load(ICON_STARS, "12x12/stars%s.%s", stars_icon_name);
#else
  icons_load(ICON_STARS, "16x16/stars%s.%s", stars_icon_name);
#endif

  /* load cache log icons */
  icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name);

  /* load icons to visualize heading */
#if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
  icons_load(ICON_HEADING, "32x32/heading_%s.%s", heading_icon_name);
#else
  icons_load(ICON_HEADING, "48x48/heading_%s.%s", heading_icon_name);
#endif

  /* load waypoint icons */
  icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name);

  /* load travelbug/coin icons */
  icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name);

  /* load misc icons */
  icons_load(ICON_MISC, "%s.%s", misc_icon_name);

  /* load pos icons */
#if !defined(USE_MAEMO)
  icons_load(ICON_POS, "16x16/%s.%s", pos_icon_name);
#else
#if (MAEMO_VERSION_MAJOR < 5)
  icons_load(ICON_POS, "24x24/%s.%s", pos_icon_name);
#else
  icons_load(ICON_POS, "32x32/%s.%s", pos_icon_name);
#endif
#endif

  /* load file icons */
  icons_load(ICON_FILE, "file_%s.%s", file_icon_name);
}

void icons_free(void) {
  int i;
  struct icon_data *icon = icons;

  while(icon->count >= 0) {
    if(icon->count) {
      for(i=0;i<icon->count;i++)
        if(icon->data[i])
          gdk_pixbuf_unref(icon->data[i]);

      free(icon->data);
    }

    icon++;
  }
}

GdkPixbuf *icon_get(int type, int num) {
  if(num < 0)                  return NULL;
  if(num >= icons[type].count) return NULL;

  return icons[type].data[num];
}

GtkWidget *icon_get_widget(int type, int num) {
  GdkPixbuf *pbuf = icon_get(type, num);
  if(!pbuf) return NULL;

  return gtk_image_new_from_pixbuf(pbuf);
}

GdkPixbuf *icon_bearing(pos_t from, pos_t to) {
  if(isnan(from.lat) || isnan(from.lon) || 
     isnan(to.lat) || isnan(to.lon))
    return icon_get(ICON_HEADING, 8);

  int idx = (gpx_pos_get_bearing(from, to)+22.5)/45.0;

  /* make sure we stay in icon bounds */
  if(idx < 0) idx += 8;
  if(idx > 7) idx -= 8;
  return icon_get(ICON_HEADING, idx);
}

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, 6 }, /* ICON_MISC */
38	{ NULL, WPT_SYM_MAX+CACHE_TYPE_MAX+10 },/* ICON_POS */
39	{ NULL, 3 }, /* ICON_FILE */
40	{ NULL, -1 }
41	};
42
43	/* ICON_CACHE_TYPE / ICON_CACHE_TYPE_SEMI / ICON_CACHE_TYPE_2X */
44	const char *cache_type_icon_name[] = {
45	"traditional", "multi", "mystery", "virtual", "webcam", "event",
46	"letterbox", "earthcache", "wherigo", "megaevent", "cito",
47
48	/* special overlays */
49	"ovl_override", "ovl_found", "ovl_note", "ovl_mine",
50
51	NULL
52	};
53
54	/* ICON_CACHE_SIZE */
55	const char *cache_size_icon_name[] = {
56	"regular", "small", "micro", "other", "not_chosen", "large",
57	"virtual", NULL
58	};
59
60	/* ICON_STARS */
61	const char *stars_icon_name[] = {
62	"1", "1_5", "2", "2_5", "3", "3_5", "4", "4_5", "5", NULL
63	};
64
65	/* ICON_LOG */
66	const char *log_icon_name[] = {
67	"smile", "sad", "maint", "note", "big_smile", "enabled",
68	"greenlight", "rsvp", "attended", "camera", "disabled",
69	"needsmaint", "coord_update",
70	"traffic_cone",
71	"traffic_cone", /* LOG_TYPE_NEEDS_ARCHIVED */
72	"traffic_cone",
73	NULL
74	};
75
76	/* ICON_HEADING */
77	const char *heading_icon_name[] = {
78	"n", "ne", "e", "se", "s", "sw", "w", "nw", "none", NULL
79	};
80
81	/* ICON_WPT */
82	const char *wpt_sym_icon_name[] = {
83	"multistage", "parking", "final", "question",
84	"trailhead", "refpoint", NULL
85	};
86
87	/* ICON_TB */
88	const char *tb_icon_name[] = {
89	"tb", "coin", NULL
90	};
91
92	/* ICON_MISC */
93	const char *misc_icon_name[] = {
94	"locked", "unlocked", "delete",
95	#ifdef FREMANTLE
96	"64x64/paypal",
97	#else
98	"32x32/paypal",
99	#endif
100	"32x32/pos_geomath",
101	#ifdef FREMANTLE
102	"64x64/gpxview",
103	#else
104	"32x32/gpxview",
105	#endif
106	NULL
107	};
108
109	/* ICON_POS */
110	const char *pos_icon_name[] = {
111	"wpt_multistage", "wpt_parking", "wpt_final",
112	"wpt_question", "wpt_trailhead", "wpt_refpoint",
113
114	"cache_type_traditional", "cache_type_multi", "cache_type_mystery",
115	"cache_type_virtual", "cache_type_webcam", "cache_type_event",
116	"cache_type_letterbox", "cache_type_earthcache", "cache_type_wherigo",
117	"cache_type_megaevent", "cache_type_cito",
118
119	"pos_wpt", "pos_gps", "pos_geomath", "pos_map", "pos_home",
120
121	"pos_get", "pos_set", "maemo-mapper",
122
123	NULL
124	};
125
126	/* ICON_FILE */
127	const char *file_icon_name[] = {
128	"gc", "folder", "zip", NULL
129	};
130
131	static void icons_load(int type, char format, const char names[]) {
132	int i;
133
134	if(!icons[type].count) {
135	icons[type].data = NULL;
136	return;
137	}
138
139	icons[type].data = malloc(sizeof(GdkPixbuf ) icons[type].count);
140
141	for(i=0;i<icons[type].count;i++) {
142	g_assert(names[i]);
143
144	GError *error = NULL;
145	char filename[128];
146	strcpy(filename, ICONPATH);
147	snprintf(filename+strlen(filename),
148	sizeof(filename)-strlen(filename), format, names[i], "png");
149	icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
150
151	if(error) {
152	error = NULL;
153	/* try again in local dir */
154	strcpy(filename, "./data/icons/");
155	snprintf(filename+strlen(filename),
156	sizeof(filename)-strlen(filename), format, names[i], "png");
157	icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
158
159	if(error) {
160	icons[type].data[i] = NULL;
161	g_warning("Could not load cache type icon %s: %s\n",
162	names[i], error->message);
163	g_error_free(error);
164	error = NULL;
165	}
166	}
167	}
168
169	g_assert(!names[i]);
170	}
171
172	void icons_init(void) {
173
174	/* load cache type icons */
175	icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name);
176
177	/* load semitransparent cache type icons */
178	icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name);
179
180	/* load 150% sized cache type icons */
181	icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name);
182
183	/* load double sized cache type icons */
184	icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name);
185
186	/* load cache container/size icons */
187	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
188	icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name);
189	#else
190	icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name);
191	#endif
192
193	/* load cache difficulty/terrain/quality icons */
194	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
195	icons_load(ICON_STARS, "12x12/stars%s.%s", stars_icon_name);
196	#else
197	icons_load(ICON_STARS, "16x16/stars%s.%s", stars_icon_name);
198	#endif
199
200	/* load cache log icons */
201	icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name);
202
203	/* load icons to visualize heading */
204	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
205	icons_load(ICON_HEADING, "32x32/heading_%s.%s", heading_icon_name);
206	#else
207	icons_load(ICON_HEADING, "48x48/heading_%s.%s", heading_icon_name);
208	#endif
209
210	/* load waypoint icons */
211	icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name);
212
213	/* load travelbug/coin icons */
214	icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name);
215
216	/* load misc icons */
217	icons_load(ICON_MISC, "%s.%s", misc_icon_name);
218
219	/* load pos icons */
220	#if !defined(USE_MAEMO)
221	icons_load(ICON_POS, "16x16/%s.%s", pos_icon_name);
222	#else
223	#if (MAEMO_VERSION_MAJOR < 5)
224	icons_load(ICON_POS, "24x24/%s.%s", pos_icon_name);
225	#else
226	icons_load(ICON_POS, "32x32/%s.%s", pos_icon_name);
227	#endif
228	#endif
229
230	/* load file icons */
231	icons_load(ICON_FILE, "file_%s.%s", file_icon_name);
232	}
233
234	void icons_free(void) {
235	int i;
236	struct icon_data *icon = icons;
237
238	while(icon->count >= 0) {
239	if(icon->count) {
240	for(i=0;i<icon->count;i++)
241	if(icon->data[i])
242	gdk_pixbuf_unref(icon->data[i]);
243
244	free(icon->data);
245	}
246
247	icon++;
248	}
249	}
250
251	GdkPixbuf *icon_get(int type, int num) {
252	if(num < 0) return NULL;
253	if(num >= icons[type].count) return NULL;
254
255	return icons[type].data[num];
256	}
257
258	GtkWidget *icon_get_widget(int type, int num) {
259	GdkPixbuf *pbuf = icon_get(type, num);
260	if(!pbuf) return NULL;
261
262	return gtk_image_new_from_pixbuf(pbuf);
263	}
264
265	GdkPixbuf *icon_bearing(pos_t from, pos_t to) {
266	if(isnan(from.lat) \|\| isnan(from.lon) \|\|
267	isnan(to.lat) \|\| isnan(to.lon))
268	return icon_get(ICON_HEADING, 8);
269
270	int idx = (gpx_pos_get_bearing(from, to)+22.5)/45.0;
271
272	/* make sure we stay in icon bounds */
273	if(idx < 0) idx += 8;
274	if(idx > 7) idx -= 8;
275	return icon_get(ICON_HEADING, idx);
276	}
277