X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/f40fb47d1dfb8e75b1a679ab2cc06980bbc8e647..a29212b08440e5a50314a40f33f343942fcbcc51:/src/google-map-type.gob diff --git a/src/google-map-type.gob b/src/google-map-type.gob index bf3d84d7..33f9059e 100644 --- a/src/google-map-type.gob +++ b/src/google-map-type.gob @@ -38,6 +38,8 @@ typedef enum { TYPE_GOOGLE_NUM } GoogleType; +const gchar *google_version_number(MapCoord *mapcoord, GoogleType google_type); + %} %{ @@ -53,7 +55,7 @@ static const gdouble scale_mpps[] = { GZ(0), GZ(1), GZ(2), GZ(3), GZ(4), GZ(5), static const gint num_scales = (sizeof(scale_mpps) / sizeof(scale_mpps[0])); #define ERROR_MARGIN 0.01 -guint8 google_zoom ( gdouble mpp ) { +static guint8 google_zoom ( gdouble mpp ) { gint i; for ( i = 0; i < num_scales; i++ ) { if ( ABS(scale_mpps[i] - mpp) < ERROR_MARGIN ) @@ -62,6 +64,13 @@ guint8 google_zoom ( gdouble mpp ) { return 255; } +static void google_mapcoord_to_center_coord ( MapCoord *src, VikCoord *dest ) +{ + gdouble socalled_mpp = GZ(src->scale); + dest->mode = VIK_COORD_LATLON; + dest->east_west = ((src->x+0.5) / GZ(17) * socalled_mpp * 360) - 180; + dest->north_south = DEMERCLAT(180 - ((src->y+0.5) / GZ(17) * socalled_mpp * 360)); +} static gchar *parse_version_number(gchar *text) { @@ -78,7 +87,7 @@ static gchar *parse_version_number(gchar *text) return vers = g_strndup(s, i); } -static const gchar *google_version_number(MapCoord *mapcoord, GoogleType google_type) +const gchar *google_version_number(MapCoord *mapcoord, GoogleType google_type) { static gboolean first = TRUE; static char *vers[] = { "w2.80", "w2t.80", "30", "w2p.81"}; @@ -185,15 +194,6 @@ failed: return (vers[google_type]); } -static int real_google_download ( MapCoord *src, const gchar *dest_fn, const char *verstr ) -{ - int res; - gchar *uri = g_strdup_printf ( "/mt?n=404&v=%s&x=%d&y=%d&zoom=%d", verstr, src->x, src->y, src->scale ); - res = a_http_download_get_url ( "mt.google.com", uri, dest_fn, &google_options ); - g_free ( uri ); - return res; -} - %} class Google:Map:Type from Vik:Map:Type { @@ -201,22 +201,31 @@ class Google:Map:Type from Vik:Map:Type { init (self) { /* initialize the object here */ - self->tilesize_x = 256; - self->tilesize_y = 256; - self->drawmode = VIK_VIEWPORT_DRAWMODE_MERCATOR; + VIK_MAP_TYPE(self)->tilesize_x = 256; + VIK_MAP_TYPE(self)->tilesize_y = 256; + VIK_MAP_TYPE(self)->drawmode = VIK_VIEWPORT_DRAWMODE_MERCATOR; } public GObject * - new_with_id (guint8 id) { - GObject *ret = GET_NEW; + new_with_id (guint8 id, GoogleType type) { + GoogleMapType *ret = GET_NEW; VIK_MAP_TYPE(ret)->uniq_id = id; + ret->_priv->type = type; return G_OBJECT (ret); } - public GObject * - new (void) { - GObject *ret = GET_NEW; - return G_OBJECT (ret); + virtual gchar * + get_uri( self, MapCoord *src ) + { + const gchar *verstr = google_version_number(src, GOOGLE_MAP_TYPE(self)->_priv->type); + gchar *uri = g_strdup_printf ( "/mt?n=404&v=%s&x=%d&y=%d&zoom=%d", verstr, src->x, src->y, src->scale ); + return uri; + } + + virtual gchar * + get_hostname( self ) + { + return g_strdup("mt.google.com"); } override (Vik:Map:Type) gboolean @@ -250,7 +259,12 @@ class Google:Map:Type from Vik:Map:Type { override (Vik:Map:Type) int download ( Vik:Map:Type *self, MapCoord *src, const gchar *dest_fn ) { - const gchar *vers_str = google_version_number(src, GOOGLE_MAP_TYPE(self)->_priv->type); - return(real_google_download ( src, dest_fn, vers_str )); + int res; + gchar *uri = google_map_type_get_uri(GOOGLE_MAP_TYPE(self), src); + gchar *host = google_map_type_get_hostname(GOOGLE_MAP_TYPE(self)); + res = a_http_download_get_url ( host, uri, dest_fn, &google_options ); + g_free ( uri ); + g_free ( host ); + return res; } } \ No newline at end of file