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, 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[] = {
  "maemo-mapper-out", "locked", "unlocked",
  "maemo-mapper-in", "delete", "paypal", 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 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, 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	"ovl_override", "ovl_found", "ovl_note", "ovl_mine",
49
50	NULL
51	};
52
53	/* ICON_CACHE_SIZE */
54	const char *cache_size_icon_name[] = {
55	"regular", "small", "micro", "other", "not_chosen", "large",
56	"virtual", NULL
57	};
58
59	/* ICON_STARS */
60	const char *stars_icon_name[] = {
61	"1", "1_5", "2", "2_5", "3", "3_5", "4", "4_5", "5", NULL
62	};
63
64	/* ICON_LOG */
65	const char *log_icon_name[] = {
66	"smile", "sad", "maint", "note", "big_smile", "enabled",
67	"greenlight", "rsvp", "attended", "camera", "disabled",
68	"needsmaint", "coord_update",
69	"traffic_cone",
70	"traffic_cone", /* LOG_TYPE_NEEDS_ARCHIVED */
71	"traffic_cone",
72	NULL
73	};
74
75	/* ICON_HEADING */
76	const char *heading_icon_name[] = {
77	"n", "ne", "e", "se", "s", "sw", "w", "nw", "none", NULL
78	};
79
80	/* ICON_WPT */
81	const char *wpt_sym_icon_name[] = {
82	"multistage", "parking", "final", "question",
83	"trailhead", "refpoint", NULL
84	};
85
86	/* ICON_TB */
87	const char *tb_icon_name[] = {
88	"tb", "coin", NULL
89	};
90
91	/* ICON_MISC */
92	const char *misc_icon_name[] = {
93	"maemo-mapper-out", "locked", "unlocked",
94	"maemo-mapper-in", "delete", "paypal", NULL
95	};
96
97	/* ICON_FILE */
98	const char *file_icon_name[] = {
99	"gc", "folder", "zip", NULL
100	};
101
102	static void icons_load(int type, char format, const char names[]) {
103	int i;
104
105	if(!icons[type].count) {
106	icons[type].data = NULL;
107	return;
108	}
109
110	icons[type].data = malloc(sizeof(GdkPixbuf ) icons[type].count);
111
112	for(i=0;i<icons[type].count;i++) {
113	g_assert(names[i]);
114
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	error = NULL;
124	/* try again in local dir */
125	strcpy(filename, "./data/icons/");
126	snprintf(filename+strlen(filename),
127	sizeof(filename)-strlen(filename), format, names[i], "png");
128	icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
129
130	if(error) {
131	icons[type].data[i] = NULL;
132	g_warning("Could not load cache type icon %s: %s\n",
133	names[i], error->message);
134	g_error_free(error);
135	error = NULL;
136	}
137	}
138	}
139
140	g_assert(!names[i]);
141	}
142
143	void icons_init(void) {
144
145	/* load cache type icons */
146	icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name);
147
148	/* load semitransparent cache type icons */
149	icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name);
150
151	/* load 150% sized cache type icons */
152	icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name);
153
154	/* load double sized cache type icons */
155	icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name);
156
157	/* load cache container/size icons */
158	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
159	icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name);
160	#else
161	icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name);
162	#endif
163
164	/* load cache difficulty/terrain/quality icons */
165	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
166	icons_load(ICON_STARS, "12x12/stars%s.%s", stars_icon_name);
167	#else
168	icons_load(ICON_STARS, "16x16/stars%s.%s", stars_icon_name);
169	#endif
170
171	/* load cache log icons */
172	icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name);
173
174	/* load icons to visualize heading */
175	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
176	icons_load(ICON_HEADING, "32x32/heading_%s.%s", heading_icon_name);
177	#else
178	icons_load(ICON_HEADING, "48x48/heading_%s.%s", heading_icon_name);
179	#endif
180
181	/* load waypoint icons */
182	icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name);
183
184	/* load travelbug/coin icons */
185	icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name);
186
187	/* load misc icons */
188	icons_load(ICON_MISC, "%s.%s", misc_icon_name);
189
190	/* load file icons */
191	icons_load(ICON_FILE, "file_%s.%s", file_icon_name);
192	}
193
194	void icons_free(void) {
195	int i;
196	struct icon_data *icon = icons;
197
198	while(icon->count >= 0) {
199	if(icon->count) {
200	for(i=0;i<icon->count;i++)
201	if(icon->data[i])
202	gdk_pixbuf_unref(icon->data[i]);
203
204	free(icon->data);
205	}
206
207	icon++;
208	}
209	}
210
211	GdkPixbuf *icon_get(int type, int num) {
212	if(num < 0) return NULL;
213	if(num >= icons[type].count) return NULL;
214
215	return icons[type].data[num];
216	}
217
218	GtkWidget *icon_get_widget(int type, int num) {
219	GdkPixbuf *pbuf = icon_get(type, num);
220	if(!pbuf) return NULL;
221
222	return gtk_image_new_from_pixbuf(pbuf);
223	}
224
225	GdkPixbuf *icon_bearing(pos_t from, pos_t to) {
226	if(isnan(from.lat) \|\| isnan(from.lon) \|\|
227	isnan(to.lat) \|\| isnan(to.lon))
228	return icon_get(ICON_HEADING, 8);
229
230	int idx = (gpx_pos_get_bearing(from, to)+22.5)/45.0;
231
232	/* make sure we stay in icon bounds */
233	if(idx < 0) idx += 8;
234	if(idx > 7) idx -= 8;
235	return icon_get(ICON_HEADING, idx);
236	}
237