+/*
+ * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
+ *
+ * Copyright (C) 2006-2007, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_MATH_H
#include <math.h>
-#include <glib.h>
+#endif
+#include <string.h>
+#include "degrees_converters.h"
+
+#define DEGREE_SYMBOL "\302\260"
+
+/**
+ * @param pos_c char for positive value
+ * @param neg_c char for negative value
+ */
+static gchar *convert_dec_to_ddd(gdouble dec, gchar pos_c, gchar neg_c)
+{
+ gchar sign_c = ' ';
+ gdouble val_d;
+ gchar *result = NULL;
+
+ if ( dec > 0 )
+ sign_c = pos_c;
+ else if ( dec < 0 )
+ sign_c = neg_c;
+ else /* Nul value */
+ sign_c = ' ';
+
+ /* Degree */
+ val_d = fabs(dec);
+
+ /* Format */
+ result = g_strdup_printf ( "%c%f" DEGREE_SYMBOL, sign_c, val_d );
+ return result;
+}
+
+gchar *convert_lat_dec_to_ddd(gdouble lat)
+{
+ return convert_dec_to_ddd(lat, 'N', 'S');
+}
+
+gchar *convert_lon_dec_to_ddd(gdouble lon)
+{
+ return convert_dec_to_ddd(lon, 'E', 'W');
+}
+
+/**
+ * @param pos_c char for positive value
+ * @param neg_c char for negative value
+ */
+static gchar *convert_dec_to_dmm(gdouble dec, gchar pos_c, gchar neg_c)
+{
+ gdouble tmp;
+ gchar sign_c = ' ';
+ gint val_d;
+ gdouble val_m;
+ gchar *result = NULL;
-#include <stdio.h>
+ if ( dec > 0 )
+ sign_c = pos_c;
+ else if ( dec < 0 )
+ sign_c = neg_c;
+ else /* Nul value */
+ sign_c = ' ';
+
+ /* Degree */
+ tmp = fabs(dec);
+ val_d = (gint)tmp;
+
+ /* Minutes */
+ val_m = (tmp - val_d) * 60;
+
+ /* Format */
+ result = g_strdup_printf ( "%c%d" DEGREE_SYMBOL "%f'",
+ sign_c, val_d, val_m );
+ return result;
+}
+
+gchar *convert_lat_dec_to_dmm(gdouble lat)
+{
+ return convert_dec_to_dmm(lat, 'N', 'S');
+}
+
+gchar *convert_lon_dec_to_dmm(gdouble lon)
+{
+ return convert_dec_to_dmm(lon, 'E', 'W');
+}
/**
* @param pos_c char for positive value
gdouble val_s;
gchar *result = NULL;
- /* North ? South ? */
if ( dec > 0 )
sign_c = pos_c;
else if ( dec < 0 )
tmp = (tmp - val_d) * 60;
val_m = (gint)tmp;
- /* Minutes */
+ /* Seconds */
val_s = (tmp - val_m) * 60;
/* Format */
- /* TODO : replace "°" as UTF-8 */
- result = g_strdup_printf ( "%c%d°%d'%f\"",
+ result = g_strdup_printf ( "%c%d" DEGREE_SYMBOL "%d'%.4f\"",
sign_c, val_d, val_m, val_s );
return result;
}
if (dms != NULL) {
int nbFloat = 0;
- gchar *ptr, *endptr;
+ const gchar *ptr, *endptr;
// Compute the sign
// It is negative if:
gdouble value;
ptr = strpbrk (endptr, "0123456789,.");
if (ptr != NULL) {
- value = g_strtod(ptr, &endptr);
- nbFloat++;
+ const gchar *tmpptr = endptr;
+ value = g_strtod((const gchar *)ptr, (gchar **)&endptr);
+ // Detect when endptr hasn't changed (which may occur if no conversion took place)
+ // particularly if the last character is a ',' or there are multiple '.'s like '5.5.'
+ if ( endptr == tmpptr )
+ break;
+ nbFloat++;
switch(nbFloat) {
case 1:
d = value;
case 3:
s = value;
break;
+ default: break;
}
}
} while (ptr != NULL && endptr != NULL);