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, 7 },                            /* ICON_MISC            */
  { NULL, WPT_SYM_MAX+CACHE_TYPE_MAX+7 }, /* 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[] = {
  "maemo-mapper-out", "locked", "unlocked",
  "maemo-mapper-in", "delete", "paypal", 
  "32x32/pos_geomath",
  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_btn", "pos_gps", "pos_geomath", "pos_map", "pos_home",
  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) || (MAEMO_VERSION_MAJOR < 5)
  icons_load(ICON_POS, "16x16/%s.%s", pos_icon_name);
#else
  icons_load(ICON_POS, "32x32/%s.%s", pos_icon_name);
#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	harbaum	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	harbaum	53	#include <math.h> // for isnan()
22	harbaum	1
23			struct icon_data {
24			GdkPixbuf **data;
25			int count;
26			} icons[] = {
27	harbaum	214	{ 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	harbaum	220	{ NULL, 7 }, /* ICON_MISC */
38	harbaum	218	{ NULL, WPT_SYM_MAX+CACHE_TYPE_MAX+7 }, /* ICON_POS */
39	harbaum	214	{ NULL, 3 }, /* ICON_FILE */
40	harbaum	1	{ NULL, -1 }
41			};
42
43	harbaum	174	/* ICON_CACHE_TYPE / ICON_CACHE_TYPE_SEMI / ICON_CACHE_TYPE_2X */
44	harbaum	1	const char *cache_type_icon_name[] = {
45			"traditional", "multi", "mystery", "virtual", "webcam", "event",
46	harbaum	188	"letterbox", "earthcache", "wherigo", "megaevent", "cito",
47
48			/* special overlays */
49	harbaum	205	"ovl_override", "ovl_found", "ovl_note", "ovl_mine",
50	harbaum	189
51			NULL
52	harbaum	1	};
53
54			/* ICON_CACHE_SIZE */
55			const char *cache_size_icon_name[] = {
56			"regular", "small", "micro", "other", "not_chosen", "large",
57	harbaum	189	"virtual", NULL
58	harbaum	1	};
59
60			/* ICON_STARS */
61			const char *stars_icon_name[] = {
62	harbaum	189	"1", "1_5", "2", "2_5", "3", "3_5", "4", "4_5", "5", NULL
63	harbaum	1	};
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	harbaum	189	"traffic_cone",
73			NULL
74	harbaum	1	};
75
76			/* ICON_HEADING */
77			const char *heading_icon_name[] = {
78	harbaum	189	"n", "ne", "e", "se", "s", "sw", "w", "nw", "none", NULL
79	harbaum	1	};
80
81			/* ICON_WPT */
82			const char *wpt_sym_icon_name[] = {
83			"multistage", "parking", "final", "question",
84	harbaum	189	"trailhead", "refpoint", NULL
85	harbaum	1	};
86
87			/* ICON_TB */
88			const char *tb_icon_name[] = {
89	harbaum	189	"tb", "coin", NULL
90	harbaum	1	};
91
92			/* ICON_MISC */
93			const char *misc_icon_name[] = {
94	harbaum	189	"maemo-mapper-out", "locked", "unlocked",
95	harbaum	213	"maemo-mapper-in", "delete", "paypal",
96	harbaum	220	"32x32/pos_geomath",
97	harbaum	213	NULL
98	harbaum	1	};
99
100	harbaum	213	/* ICON_POS */
101			const char *pos_icon_name[] = {
102	harbaum	214	"wpt_multistage", "wpt_parking", "wpt_final",
103			"wpt_question", "wpt_trailhead", "wpt_refpoint",
104	harbaum	213
105	harbaum	214	"cache_type_traditional", "cache_type_multi", "cache_type_mystery",
106			"cache_type_virtual", "cache_type_webcam", "cache_type_event",
107			"cache_type_letterbox", "cache_type_earthcache", "cache_type_wherigo",
108			"cache_type_megaevent", "cache_type_cito",
109
110	harbaum	218	"pos_btn", "pos_gps", "pos_geomath", "pos_map", "pos_home",
111	harbaum	213	NULL
112			};
113
114	harbaum	1	/* ICON_FILE */
115			const char *file_icon_name[] = {
116	harbaum	189	"gc", "folder", "zip", NULL
117	harbaum	1	};
118
119			static void icons_load(int type, char format, const char names[]) {
120			int i;
121
122			if(!icons[type].count) {
123			icons[type].data = NULL;
124			return;
125			}
126
127			icons[type].data = malloc(sizeof(GdkPixbuf ) icons[type].count);
128
129			for(i=0;i<icons[type].count;i++) {
130	harbaum	189	g_assert(names[i]);
131	harbaum	1
132	harbaum	189	GError *error = NULL;
133			char filename[128];
134			strcpy(filename, ICONPATH);
135			snprintf(filename+strlen(filename),
136			sizeof(filename)-strlen(filename), format, names[i], "png");
137			icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
138
139			if(error) {
140			error = NULL;
141			/* try again in local dir */
142			strcpy(filename, "./data/icons/");
143			snprintf(filename+strlen(filename),
144			sizeof(filename)-strlen(filename), format, names[i], "png");
145			icons[type].data[i] = gdk_pixbuf_new_from_file(filename, &error);
146
147	harbaum	1	if(error) {
148	harbaum	189	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	harbaum	1	error = NULL;
153	harbaum	189	}
154			}
155	harbaum	1	}
156	harbaum	214
157	harbaum	189	g_assert(!names[i]);
158	harbaum	1	}
159
160			void icons_init(void) {
161
162			/* load cache type icons */
163	harbaum	180	icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name);
164	harbaum	1
165	harbaum	174	/* load semitransparent cache type icons */
166	harbaum	180	icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name);
167	harbaum	151
168	harbaum	176	/* load 150% sized cache type icons */
169	harbaum	180	icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name);
170	harbaum	176
171	harbaum	174	/* load double sized cache type icons */
172	harbaum	180	icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name);
173	harbaum	174
174	harbaum	1	/* load cache container/size icons */
175	harbaum	187	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
176	harbaum	185	icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name);
177	harbaum	187	#else
178			icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name);
179			#endif
180	harbaum	1
181	harbaum	180	/* load cache difficulty/terrain/quality icons */
182	harbaum	187	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
183			icons_load(ICON_STARS, "12x12/stars%s.%s", stars_icon_name);
184			#else
185			icons_load(ICON_STARS, "16x16/stars%s.%s", stars_icon_name);
186			#endif
187	harbaum	1
188	harbaum	180	/* load cache log icons */
189			icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name);
190	harbaum	1
191			/* load icons to visualize heading */
192	harbaum	187	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
193			icons_load(ICON_HEADING, "32x32/heading_%s.%s", heading_icon_name);
194			#else
195			icons_load(ICON_HEADING, "48x48/heading_%s.%s", heading_icon_name);
196			#endif
197	harbaum	1
198	harbaum	187	/* load waypoint icons */
199	harbaum	184	icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name);
200	harbaum	1
201	harbaum	187	/* load travelbug/coin icons */
202	harbaum	180	icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name);
203	harbaum	1
204			/* load misc icons */
205			icons_load(ICON_MISC, "%s.%s", misc_icon_name);
206
207	harbaum	213	/* load pos icons */
208	harbaum	214	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
209	harbaum	213	icons_load(ICON_POS, "16x16/%s.%s", pos_icon_name);
210	harbaum	214	#else
211			icons_load(ICON_POS, "32x32/%s.%s", pos_icon_name);
212			#endif
213	harbaum	213
214	harbaum	1	/* load file icons */
215			icons_load(ICON_FILE, "file_%s.%s", file_icon_name);
216			}
217
218			void icons_free(void) {
219			int i;
220			struct icon_data *icon = icons;
221
222			while(icon->count >= 0) {
223			if(icon->count) {
224			for(i=0;i<icon->count;i++)
225			if(icon->data[i])
226			gdk_pixbuf_unref(icon->data[i]);
227
228			free(icon->data);
229			}
230
231			icon++;
232			}
233			}
234
235			GdkPixbuf *icon_get(int type, int num) {
236			if(num < 0) return NULL;
237			if(num >= icons[type].count) return NULL;
238
239			return icons[type].data[num];
240			}
241
242			GtkWidget *icon_get_widget(int type, int num) {
243			GdkPixbuf *pbuf = icon_get(type, num);
244			if(!pbuf) return NULL;
245
246			return gtk_image_new_from_pixbuf(pbuf);
247			}
248
249			GdkPixbuf *icon_bearing(pos_t from, pos_t to) {
250	harbaum	47	if(isnan(from.lat) \|\| isnan(from.lon) \|\|
251			isnan(to.lat) \|\| isnan(to.lon))
252	harbaum	1	return icon_get(ICON_HEADING, 8);
253
254			int idx = (gpx_pos_get_bearing(from, to)+22.5)/45.0;
255
256			/* make sure we stay in icon bounds */
257			if(idx < 0) idx += 8;
258			if(idx > 7) idx -= 8;
259			return icon_get(ICON_HEADING, idx);
260			}
261