+/*
+ * 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
+ *
+ */
+
#include <math.h>
#include <glib.h>
+#include <string.h>
-#include <stdio.h>
+/**
+ * @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;
-gchar *convert_lat_dec_to_dms(gdouble lat)
+ 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 */
+ /* TODO : replace "°" as UTF-8 */
+ result = g_strdup_printf ( "%c%f°", 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 lat_c;
- gint lat_d, lat_m;
- gdouble lat_s;
+ gchar sign_c = ' ';
+ gint val_d;
+ gdouble val_m;
gchar *result = NULL;
- /* North ? South ? */
- if ( lat > 0 )
- lat_c = 'N';
- else
- lat_c = 'S';
+ if ( dec > 0 )
+ sign_c = pos_c;
+ else if ( dec < 0 )
+ sign_c = neg_c;
+ else /* Nul value */
+ sign_c = ' ';
/* Degree */
- tmp = fabs(lat);
- lat_d = (gint)tmp;
+ tmp = fabs(dec);
+ val_d = (gint)tmp;
/* Minutes */
- tmp = (tmp - lat_d) * 60;
- lat_m = (gint)tmp;
-
- /* Minutes */
- lat_s = (tmp - lat_m) * 60;
+ val_m = (tmp - val_d) * 60;
/* Format */
- /* todo : replace "deg" substring by "°" as UTF-8 */
- result = g_strdup_printf ( "%c %d° %d' %f",
- lat_c, lat_d, lat_m, lat_s );
+ /* TODO : replace "°" as UTF-8 */
+ result = g_strdup_printf ( "%c%d°%f'",
+ sign_c, val_d, val_m );
return result;
}
-gchar *convert_lon_dec_to_dms(gdouble lon)
+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
+ * @param neg_c char for negative value
+ */
+static gchar *convert_dec_to_dms(gdouble dec, gchar pos_c, gchar neg_c)
{
gdouble tmp;
- gchar lon_c;
- gint lon_d, lon_m;
- gdouble lon_s;
+ gchar sign_c = ' ';
+ gint val_d, val_m;
+ gdouble val_s;
gchar *result = NULL;
- /* North ? South ? */
- if ( lon > 0 )
- lon_c = 'E';
- else
- lon_c = 'W';
+ if ( dec > 0 )
+ sign_c = pos_c;
+ else if ( dec < 0 )
+ sign_c = neg_c;
+ else /* Nul value */
+ sign_c = ' ';
/* Degree */
- tmp = fabs(lon);
- lon_d = (gint)tmp;
+ tmp = fabs(dec);
+ val_d = (gint)tmp;
/* Minutes */
- tmp = (tmp - lon_d) * 60;
- lon_m = (gint)tmp;
+ tmp = (tmp - val_d) * 60;
+ val_m = (gint)tmp;
/* Minutes */
- lon_s = (tmp - lon_m) * 60;
+ val_s = (tmp - val_m) * 60;
/* Format */
- /* todo : replace "deg" substring by "°" as UTF-8 */
- result = g_strdup_printf ( "%c %d° %d' %f\"",
- lon_c, lon_d, lon_m, lon_s );
+ /* TODO : replace "°" as UTF-8 */
+ result = g_strdup_printf ( "%c%d°%d'%f\"",
+ sign_c, val_d, val_m, val_s );
return result;
}
+gchar *convert_lat_dec_to_dms(gdouble lat)
+{
+ return convert_dec_to_dms(lat, 'N', 'S');
+}
+
+gchar *convert_lon_dec_to_dms(gdouble lon)
+{
+ return convert_dec_to_dms(lon, 'E', 'W');
+}
+
gdouble convert_dms_to_dec(const gchar *dms)
{
gdouble d = 0.0; /* Degree */
if (dms != NULL) {
int nbFloat = 0;
- gchar *ptr, *endptr;
+ const gchar *ptr, *endptr;
// Compute the sign
// It is negative if: