*/
#include <glib.h>
+#include <string.h>
#include "coords.h"
#include "vikcoord.h"
#include "vikwaypoint.h"
-
+#include "globals.h"
+#include "garminsymbols.h"
+#include "dems.h"
+#include <glib/gi18n.h>
VikWaypoint *vik_waypoint_new()
{
- VikWaypoint *wp = g_malloc ( sizeof ( VikWaypoint ) );
- wp->comment = NULL;
- wp->image = NULL;
- wp->symbol = NULL;
+ VikWaypoint *wp = g_malloc0 ( sizeof ( VikWaypoint ) );
+ wp->altitude = VIK_DEFAULT_ALTITUDE;
+ wp->name = g_strdup(_("Waypoint"));
return wp;
}
+// Hmmm tempted to put in new constructor
+void vik_waypoint_set_name(VikWaypoint *wp, const gchar *name)
+{
+ if ( wp->name )
+ g_free ( wp->name );
+
+ wp->name = g_strdup(name);
+}
+
void vik_waypoint_set_comment_no_copy(VikWaypoint *wp, gchar *comment)
{
if ( wp->comment )
wp->comment = NULL;
}
+void vik_waypoint_set_description(VikWaypoint *wp, const gchar *description)
+{
+ if ( wp->description )
+ g_free ( wp->description );
+
+ if ( description && description[0] != '\0' )
+ wp->description = g_strdup(description);
+ else
+ wp->description = NULL;
+}
+
+void vik_waypoint_set_url(VikWaypoint *wp, const gchar *url)
+{
+ if ( wp->url )
+ g_free ( wp->url );
+
+ if ( url && url[0] != '\0' )
+ wp->url = g_strdup(url);
+ else
+ wp->url = NULL;
+}
+
void vik_waypoint_set_image(VikWaypoint *wp, const gchar *image)
{
if ( wp->image )
wp->image = g_strdup(image);
else
wp->image = NULL;
+ // NOTE - ATM the image (thumbnail) size is calculated on demand when needed to be first drawn
}
void vik_waypoint_set_symbol(VikWaypoint *wp, const gchar *symname)
{
+ const gchar *hashed_symname;
+
if ( wp->symbol )
g_free ( wp->symbol );
- if ( symname && symname[0] != '\0' )
- wp->symbol = g_strdup(symname);
- else
+ // NB symbol_pixbuf is just a reference, so no need to free it
+
+ if ( symname && symname[0] != '\0' ) {
+ hashed_symname = a_get_hashed_sym ( symname );
+ if ( hashed_symname )
+ symname = hashed_symname;
+ wp->symbol = g_strdup ( symname );
+ wp->symbol_pixbuf = a_get_wp_sym ( wp->symbol );
+ }
+ else {
wp->symbol = NULL;
+ wp->symbol_pixbuf = NULL;
+ }
}
void vik_waypoint_free(VikWaypoint *wp)
{
if ( wp->comment )
g_free ( wp->comment );
+ if ( wp->description )
+ g_free ( wp->description );
+ if ( wp->url )
+ g_free ( wp->url );
if ( wp->image )
g_free ( wp->image );
if ( wp->symbol )
VikWaypoint *vik_waypoint_copy(const VikWaypoint *wp)
{
VikWaypoint *new_wp = vik_waypoint_new();
- *new_wp = *wp;
- new_wp->comment = NULL; /* if the waypoint had a comment, FOR CRYING OUT LOUD DON'T FREE IT! This lousy bug took me TWO HOURS to figure out... sigh... */
+ new_wp->coord = wp->coord;
+ new_wp->visible = wp->visible;
+ new_wp->altitude = wp->altitude;
+ new_wp->has_timestamp = wp->has_timestamp;
+ new_wp->timestamp = wp->timestamp;
+ vik_waypoint_set_name(new_wp,wp->name);
vik_waypoint_set_comment(new_wp,wp->comment);
- new_wp->image = NULL;
+ vik_waypoint_set_description(new_wp,wp->description);
+ vik_waypoint_set_url(new_wp,wp->url);
vik_waypoint_set_image(new_wp,wp->image);
- new_wp->symbol = NULL;
vik_waypoint_set_symbol(new_wp,wp->symbol);
return new_wp;
}
+/**
+ * vik_waypoint_apply_dem_data:
+ * @wp: The Waypoint to operate on
+ * @skip_existing: When TRUE, don't change the elevation if the waypoint already has a value
+ *
+ * Set elevation data for a waypoint using available DEM information
+ *
+ * Returns: TRUE if the waypoint was updated
+ */
+gboolean vik_waypoint_apply_dem_data ( VikWaypoint *wp, gboolean skip_existing )
+{
+ gboolean updated = FALSE;
+ if ( !(skip_existing && wp->altitude != VIK_DEFAULT_ALTITUDE) ) {
+ gint16 elev = a_dems_get_elev_by_coord ( &(wp->coord), VIK_DEM_INTERPOL_BEST );
+ if ( elev != VIK_DEM_INVALID_ELEVATION ) {
+ wp->altitude = (gdouble)elev;
+ updated = TRUE;
+ }
+ }
+ return updated;
+}
+
+/*
+ * Take a Waypoint and convert it into a byte array
+ */
+void vik_waypoint_marshall ( VikWaypoint *wp, guint8 **data, guint *datalen)
+{
+ GByteArray *b = g_byte_array_new();
+ guint len;
+
+ // This creates space for fixed sized members like gints and whatnot
+ // and copies that amount of data from the waypoint to byte array
+ g_byte_array_append(b, (guint8 *)wp, sizeof(*wp));
+
+ // This allocates space for variant sized strings
+ // and copies that amount of data from the waypoint to byte array
+#define vwm_append(s) \
+ len = (s) ? strlen(s)+1 : 0; \
+ g_byte_array_append(b, (guint8 *)&len, sizeof(len)); \
+ if (s) g_byte_array_append(b, (guint8 *)s, len);
+
+ vwm_append(wp->name);
+ vwm_append(wp->comment);
+ vwm_append(wp->description);
+ vwm_append(wp->url);
+ vwm_append(wp->image);
+ vwm_append(wp->symbol);
+
+ *data = b->data;
+ *datalen = b->len;
+ g_byte_array_free(b, FALSE);
+#undef vwm_append
+}
+
+/*
+ * Take a byte array and convert it into a Waypoint
+ */
+VikWaypoint *vik_waypoint_unmarshall (guint8 *data, guint datalen)
+{
+ guint len;
+ VikWaypoint *new_wp = vik_waypoint_new();
+ // This copies the fixed sized elements (i.e. visibility, altitude, image_width, etc...)
+ memcpy(new_wp, data, sizeof(*new_wp));
+ data += sizeof(*new_wp);
+
+ // Now the variant sized strings...
+#define vwu_get(s) \
+ len = *(guint *)data; \
+ data += sizeof(len); \
+ if (len) { \
+ (s) = g_strdup((gchar *)data); \
+ } else { \
+ (s) = NULL; \
+ } \
+ data += len;
+
+ vwu_get(new_wp->name);
+ vwu_get(new_wp->comment);
+ vwu_get(new_wp->description);
+ vwu_get(new_wp->url);
+ vwu_get(new_wp->image);
+ vwu_get(new_wp->symbol);
+
+ return new_wp;
+#undef vwu_get
+}
+