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+1 },  /* ICON_CACHE_TYPE      */
  { NULL, CACHE_TYPE_MAX+1 },  /* ICON_CACHE_TYPE_SEMI */
  { NULL, CACHE_TYPE_MAX+1 },  /* ICON_CACHE_TYPE_1_5X */
  { NULL, CACHE_TYPE_MAX+1 },  /* 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, 9 },                 /* 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 */
  "override", "found", "note"
};

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

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

/* 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",
};  

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

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

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

/* locked/unlocked -1 */
/* mapper-in -2 */
/* delete/paypal -3 */

/* ICON_MISC         */
const char *misc_icon_name[] = {
  "maemo-mapper-out", "override", "locked", "unlocked", "found", 
  "maemo-mapper-in", "note", "delete", "paypal"
};

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

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++) {
    if(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) {
        /* try gif */
        error = NULL;
        strcpy(filename, ICONPATH);
        snprintf(filename+strlen(filename),
                 sizeof(filename)-strlen(filename), format, names[i], "gif");
        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) {
            error = NULL;
            /* try gif */
            strcpy(filename, "./data/icons/");
            snprintf(filename+strlen(filename), 
                   sizeof(filename)-strlen(filename), format, names[i], "gif");
            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;
            }
          }
        }   
      }
    } else
      icons[type].data[i] = NULL;
  }
}

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	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	151	{ NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE */
28			{ NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE_SEMI */
29	harbaum	176	{ NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE_1_5X */
30	harbaum	174	{ NULL, CACHE_TYPE_MAX+1 }, /* ICON_CACHE_TYPE_2X */
31	harbaum	151	{ 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	harbaum	178	{ NULL, 2 }, /* ICON_TB */
37	harbaum	151	{ NULL, 9 }, /* ICON_MISC */
38			{ NULL, 3 }, /* ICON_FILE */
39	harbaum	1	{ NULL, -1 }
40			};
41
42	harbaum	174	/* ICON_CACHE_TYPE / ICON_CACHE_TYPE_SEMI / ICON_CACHE_TYPE_2X */
43	harbaum	1	const char *cache_type_icon_name[] = {
44			"traditional", "multi", "mystery", "virtual", "webcam", "event",
45	harbaum	188	"letterbox", "earthcache", "wherigo", "megaevent", "cito",
46
47			/* special overlays */
48			"override", "found", "note"
49	harbaum	1	};
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	harbaum	178	"tb", "coin"
86	harbaum	1	};
87
88	harbaum	188	/* locked/unlocked -1 */
89			/* mapper-in -2 */
90			/* delete/paypal -3 */
91
92	harbaum	1	/* ICON_MISC */
93			const char *misc_icon_name[] = {
94			"maemo-mapper-out", "override", "locked", "unlocked", "found",
95	harbaum	64	"maemo-mapper-in", "note", "delete", "paypal"
96	harbaum	1	};
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	harbaum	180	icons_load(ICON_CACHE_TYPE, "32x32/cache_type_%s.%s", cache_type_icon_name);
166	harbaum	1
167	harbaum	174	/* load semitransparent cache type icons */
168	harbaum	180	icons_load(ICON_CACHE_TYPE_SEMI, "32x32/cache_type_%s_semi.%s", cache_type_icon_name);
169	harbaum	151
170	harbaum	176	/* load 150% sized cache type icons */
171	harbaum	180	icons_load(ICON_CACHE_TYPE_1_5X, "48x48/cache_type_%s.%s", cache_type_icon_name);
172	harbaum	176
173	harbaum	174	/* load double sized cache type icons */
174	harbaum	180	icons_load(ICON_CACHE_TYPE_2X, "64x64/cache_type_%s.%s", cache_type_icon_name);
175	harbaum	174
176	harbaum	1	/* load cache container/size icons */
177	harbaum	187	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
178	harbaum	185	icons_load(ICON_CACHE_SIZE, "45x12/cache_size_%s.%s", cache_size_icon_name);
179	harbaum	187	#else
180			icons_load(ICON_CACHE_SIZE, "90x24/cache_size_%s.%s", cache_size_icon_name);
181			#endif
182	harbaum	1
183	harbaum	180	/* load cache difficulty/terrain/quality icons */
184	harbaum	187	#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	harbaum	1
190	harbaum	180	/* load cache log icons */
191			icons_load(ICON_LOG, "32x32/log_icon_%s.%s", log_icon_name);
192	harbaum	1
193			/* load icons to visualize heading */
194	harbaum	187	#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	harbaum	1
200	harbaum	187	/* load waypoint icons */
201	harbaum	184	icons_load(ICON_WPT, "32x32/wpt_%s.%s", wpt_sym_icon_name);
202	harbaum	1
203	harbaum	187	/* load travelbug/coin icons */
204	harbaum	180	icons_load(ICON_TB, "32x32/%s.%s", tb_icon_name);
205	harbaum	1
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	harbaum	47	if(isnan(from.lat) \|\| isnan(from.lon) \|\|
246			isnan(to.lat) \|\| isnan(to.lon))
247	harbaum	1	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