X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/29c93cc57d2f7715c58b4e577440bc580a47bd8a..e8bab170981ff0e1cd572107ca4de122d4aafe8c:/src/viktmsmapsource.c diff --git a/src/viktmsmapsource.c b/src/viktmsmapsource.c index afaed4de..54abd1c7 100644 --- a/src/viktmsmapsource.c +++ b/src/viktmsmapsource.c @@ -5,7 +5,7 @@ * * viking 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 + * Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * viking is distributed in the hope that it will be useful, but @@ -43,11 +43,20 @@ #include "globals.h" #include "viktmsmapsource.h" +#include "maputils.h" static gboolean _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ); static void _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest ); static gboolean _supports_download_only_new ( VikMapSource *self ); static gboolean _is_direct_file_access ( VikMapSource *self ); +static gboolean _is_mbtiles ( VikMapSource *self ); +static gboolean _is_osm_meta_tiles (VikMapSource *self ); +static guint8 _get_zoom_min(VikMapSource *self ); +static guint8 _get_zoom_max(VikMapSource *self ); +static gdouble _get_lat_min(VikMapSource *self ); +static gdouble _get_lat_max(VikMapSource *self ); +static gdouble _get_lon_min(VikMapSource *self ); +static gdouble _get_lon_max(VikMapSource *self ); static gchar *_get_uri( VikMapSourceDefault *self, MapCoord *src ); static gchar *_get_hostname( VikMapSourceDefault *self ); @@ -59,6 +68,12 @@ struct _VikTmsMapSourcePrivate gchar *hostname; gchar *url; DownloadMapOptions options; + guint zoom_min; // TMS Zoom level: 0 = Whole World // http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames + guint zoom_max; // TMS Zoom level: Often 18 for zoomed in. + gdouble lat_min; // Degrees + gdouble lat_max; // Degrees + gdouble lon_min; // Degrees + gdouble lon_max; // Degrees }; #define VIK_TMS_MAP_SOURCE_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), VIK_TYPE_TMS_MAP_SOURCE, VikTmsMapSourcePrivate)) @@ -73,6 +88,12 @@ enum PROP_REFERER, PROP_FOLLOW_LOCATION, PROP_CHECK_FILE_SERVER_TIME, + PROP_ZOOM_MIN, + PROP_ZOOM_MAX, + PROP_LAT_MIN, + PROP_LAT_MAX, + PROP_LON_MIN, + PROP_LON_MAX, }; G_DEFINE_TYPE (VikTmsMapSource, vik_tms_map_source, VIK_TYPE_MAP_SOURCE_DEFAULT); @@ -89,6 +110,12 @@ vik_tms_map_source_init (VikTmsMapSource *self) priv->options.follow_location = 0; priv->options.check_file = a_check_map_file; priv->options.check_file_server_time = FALSE; + priv->zoom_min = 0; + priv->zoom_max = 18; + priv->lat_min = -90.0; + priv->lat_max = 90.0; + priv->lon_min = -180.0; + priv->lon_max = 180.0; g_object_set (G_OBJECT (self), "tilesize-x", 256, @@ -147,6 +174,30 @@ vik_tms_map_source_set_property (GObject *object, priv->options.check_file_server_time = g_value_get_boolean (value); break; + case PROP_ZOOM_MIN: + priv->zoom_min = g_value_get_uint (value); + break; + + case PROP_ZOOM_MAX: + priv->zoom_max = g_value_get_uint (value); + break; + + case PROP_LAT_MIN: + priv->lat_min = g_value_get_double (value); + break; + + case PROP_LAT_MAX: + priv->lat_max = g_value_get_double (value); + break; + + case PROP_LON_MIN: + priv->lon_min = g_value_get_double (value); + break; + + case PROP_LON_MAX: + priv->lon_max = g_value_get_double (value); + break; + default: /* We don't have any other property... */ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); @@ -184,7 +235,31 @@ vik_tms_map_source_get_property (GObject *object, case PROP_CHECK_FILE_SERVER_TIME: g_value_set_boolean (value, priv->options.check_file_server_time); break; - + + case PROP_ZOOM_MIN: + g_value_set_uint (value, priv->zoom_min); + break; + + case PROP_ZOOM_MAX: + g_value_set_uint (value, priv->zoom_max); + break; + + case PROP_LON_MIN: + g_value_set_double (value, priv->lon_min); + break; + + case PROP_LON_MAX: + g_value_set_double (value, priv->lon_max); + break; + + case PROP_LAT_MIN: + g_value_set_double (value, priv->lat_min); + break; + + case PROP_LAT_MAX: + g_value_set_double (value, priv->lat_max); + break; + default: /* We don't have any other property... */ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); @@ -208,7 +283,15 @@ vik_tms_map_source_class_init (VikTmsMapSourceClass *klass) grandparent_class->mapcoord_to_center_coord = _mapcoord_to_center_coord; grandparent_class->supports_download_only_new = _supports_download_only_new; grandparent_class->is_direct_file_access = _is_direct_file_access; - + grandparent_class->is_mbtiles = _is_mbtiles; + grandparent_class->is_osm_meta_tiles = _is_osm_meta_tiles; + grandparent_class->get_zoom_min = _get_zoom_min; + grandparent_class->get_zoom_max = _get_zoom_max; + grandparent_class->get_lat_min = _get_lat_min; + grandparent_class->get_lat_max = _get_lat_max; + grandparent_class->get_lon_min = _get_lon_min; + grandparent_class->get_lon_max = _get_lon_max; + parent_class->get_uri = _get_uri; parent_class->get_hostname = _get_hostname; parent_class->get_download_options = _get_download_options; @@ -250,41 +333,79 @@ vik_tms_map_source_class_init (VikTmsMapSourceClass *klass) G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); g_object_class_install_property (object_class, PROP_CHECK_FILE_SERVER_TIME, pspec); + pspec = g_param_spec_uint ("zoom-min", + "Minimum zoom", + "Minimum Zoom level supported by the map provider", + 0, // minimum value, + 22, // maximum value + 0, // default value + G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_ZOOM_MIN, pspec); + + pspec = g_param_spec_uint ("zoom-max", + "Maximum zoom", + "Maximum Zoom level supported by the map provider", + 0, // minimum value, + 22, // maximum value + 18, // default value + G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_ZOOM_MAX, pspec); + + pspec = g_param_spec_double ("lat-min", + "Minimum latitude", + "Minimum latitude in degrees supported by the map provider", + -90.0, // minimum value + 90.0, // maximum value + -90.0, // default value + G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_LAT_MIN, pspec); + + pspec = g_param_spec_double ("lat-max", + "Maximum latitude", + "Maximum latitude in degrees supported by the map provider", + -90.0, // minimum value + 90.0, // maximum value + 90.0, // default value + G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_LAT_MAX, pspec); + + pspec = g_param_spec_double ("lon-min", + "Minimum longitude", + "Minimum longitude in degrees supported by the map provider", + -180.0, // minimum value + 180.0, // maximum value + -180.0, // default value + G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_LON_MIN, pspec); + + pspec = g_param_spec_double ("lon-max", + "Maximum longitude", + "Maximum longitude in degrees supported by the map provider", + -180.0, // minimum value + 180.0, // maximum value + 180.0, // default value + G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_LON_MAX, pspec); + g_type_class_add_private (klass, sizeof (VikTmsMapSourcePrivate)); object_class->finalize = vik_tms_map_source_finalize; } -/* 1 << (x) is like a 2**(x) */ -#define GZ(x) ((1<<(x))) - -static const gdouble scale_mpps[] = { GZ(0), GZ(1), GZ(2), GZ(3), GZ(4), GZ(5), GZ(6), GZ(7), GZ(8), GZ(9), - GZ(10), GZ(11), GZ(12), GZ(13), GZ(14), GZ(15), GZ(16), GZ(17) }; - -static const gint num_scales = (sizeof(scale_mpps) / sizeof(scale_mpps[0])); - -static const gdouble scale_neg_mpps[] = { 1.0/GZ(0), 1.0/GZ(1), 1.0/GZ(2), 1.0/GZ(3) }; -static const gint num_scales_neg = (sizeof(scale_neg_mpps) / sizeof(scale_neg_mpps[0])); - -#define ERROR_MARGIN 0.01 -static gint tms_zoom ( gdouble mpp ) { - gint i; - for ( i = 0; i < num_scales; i++ ) { - if ( ABS(scale_mpps[i] - mpp) < ERROR_MARGIN ) { - return i; - } - } - for ( i = 0; i < num_scales_neg; i++ ) { - if ( ABS(scale_neg_mpps[i] - mpp) < 0.000001 ) { - return -i; - } - } +static gboolean +_is_direct_file_access ( VikMapSource *self ) +{ + return FALSE; +} - return 255; +static gboolean +_is_mbtiles ( VikMapSource *self ) +{ + return FALSE; } static gboolean -_is_direct_file_access ( VikMapSource *self ) +_is_osm_meta_tiles ( VikMapSource *self ) { return FALSE; } @@ -307,18 +428,18 @@ _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdo if ( xzoom != yzoom ) return FALSE; - dest->scale = tms_zoom ( xzoom ); + dest->scale = map_utils_mpp_to_scale ( xzoom ); if ( dest->scale == 255 ) return FALSE; - /* Note : GZ(17) / xzoom / 2 = number of tile on Y axis */ + /* Note : VIK_GZ(17) / xzoom / 2 = number of tile on Y axis */ g_debug("%s: xzoom=%f yzoom=%f -> %f", __FUNCTION__, - xzoom, yzoom, GZ(17) / xzoom / 2); - dest->x = floor((src->east_west + 180) / 180 * GZ(17) / xzoom / 2); + xzoom, yzoom, VIK_GZ(17) / xzoom / 2); + dest->x = floor((src->east_west + 180) / 180 * VIK_GZ(17) / xzoom / 2); /* We should restore logic of viking: * tile index on Y axis follow a screen logic (top -> down) */ - dest->y = floor((180 - (src->north_south + 90)) / 180 * GZ(17) / xzoom / 2); + dest->y = floor((180 - (src->north_south + 90)) / 180 * VIK_GZ(17) / xzoom / 2); dest->z = 0; g_debug("%s: %f,%f -> %d,%d", __FUNCTION__, src->east_west, src->north_south, dest->x, dest->y); @@ -330,15 +451,15 @@ _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest ) { gdouble socalled_mpp; if (src->scale >= 0) - socalled_mpp = GZ(src->scale); + socalled_mpp = VIK_GZ(src->scale); else - socalled_mpp = 1.0/GZ(-src->scale); + socalled_mpp = 1.0/VIK_GZ(-src->scale); dest->mode = VIK_COORD_LATLON; - dest->east_west = (src->x+0.5) * 180 / GZ(17) * socalled_mpp * 2 - 180; + dest->east_west = (src->x+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180; /* We should restore logic of viking: * tile index on Y axis follow a screen logic (top -> down) */ - dest->north_south = -((src->y+0.5) * 180 / GZ(17) * socalled_mpp * 2 - 90); + dest->north_south = -((src->y+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90); g_debug("%s: %d,%d -> %f,%f", __FUNCTION__, src->x, src->y, dest->east_west, dest->north_south); } @@ -354,7 +475,7 @@ _get_uri( VikMapSourceDefault *self, MapCoord *src ) */ /* Note : nb tiles on Y axis */ - gint nb_tiles = GZ(17 - src->scale - 1); + gint nb_tiles = VIK_GZ(17 - src->scale - 1); gchar *uri = g_strdup_printf (priv->url, 17 - src->scale - 1, src->x, nb_tiles - src->y - 1); @@ -379,8 +500,74 @@ _get_download_options( VikMapSourceDefault *self ) return &(priv->options); } +/** + * + */ +static guint8 +_get_zoom_min (VikMapSource *self) +{ + g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); + VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); + return priv->zoom_min; +} + +/** + * + */ +static guint8 +_get_zoom_max (VikMapSource *self) +{ + g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); + VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); + return priv->zoom_max; +} + +/** + * + */ +static gdouble +_get_lat_min (VikMapSource *self) +{ + g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); + VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); + return priv->lat_min; +} + +/** + * + */ +static gdouble +_get_lat_max (VikMapSource *self) +{ + g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); + VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); + return priv->lat_max; +} + +/** + * + */ +static gdouble +_get_lon_min (VikMapSource *self) +{ + g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); + VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); + return priv->lon_min; +} + +/** + * + */ +static gdouble +_get_lon_max (VikMapSource *self) +{ + g_return_val_if_fail (VIK_IS_TMS_MAP_SOURCE(self), FALSE); + VikTmsMapSourcePrivate *priv = VIK_TMS_MAP_SOURCE_PRIVATE(self); + return priv->lon_max; +} + VikTmsMapSource * -vik_tms_map_source_new_with_id (guint8 id, const gchar *label, const gchar *hostname, const gchar *url) +vik_tms_map_source_new_with_id (guint16 id, const gchar *label, const gchar *hostname, const gchar *url) { return g_object_new(VIK_TYPE_TMS_MAP_SOURCE, "id", id, "label", label, "hostname", hostname, "url", url, NULL);