X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/a808ab5f7cc06f5d90c3c8cd406f912eb6d9e5f2..812909d1812d7f659f21963eda01078b57e05430:/src/google.c?ds=sidebyside

diff --git a/src/google.c b/src/google.c
index 0b8dc961..5d18e4f1 100644
--- a/src/google.c
+++ b/src/google.c
@@ -25,9 +25,30 @@
 #include "coords.h"
 #include "vikcoord.h"
 #include "mapcoord.h"
-#include "http.h"
+#include "download.h"
 #include "globals.h"
 #include "google.h"
+#include "vikmapslayer.h"
+
+#define GOOGLE_VERSION "w2.46"
+#define GOOGLE_TRANS_VERSION "w2t.47"
+#define GOOGLE_KH_VERSION "17"
+
+static int google_download ( MapCoord *src, const gchar *dest_fn );
+static int google_trans_download ( MapCoord *src, const gchar *dest_fn );
+static int google_kh_download ( MapCoord *src, const gchar *dest_fn );
+static void google_mapcoord_to_center_coord ( MapCoord *src, VikCoord *dest );
+static gboolean google_coord_to_mapcoord ( const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest );
+
+void google_init () {
+  VikMapsLayer_MapType google_1 = { 7, 256, 256, VIK_VIEWPORT_DRAWMODE_MERCATOR, google_coord_to_mapcoord, google_mapcoord_to_center_coord, google_download };
+  VikMapsLayer_MapType google_2 = { 10, 256, 256, VIK_VIEWPORT_DRAWMODE_MERCATOR, google_coord_to_mapcoord, google_mapcoord_to_center_coord, google_trans_download };
+  VikMapsLayer_MapType google_3 = { 11, 256, 256, VIK_VIEWPORT_DRAWMODE_MERCATOR, google_coord_to_mapcoord, google_mapcoord_to_center_coord, google_kh_download };
+
+  maps_layer_register_type("Google Maps", 7, &google_1);
+  maps_layer_register_type("Transparent Google Maps", 10, &google_2);
+  maps_layer_register_type("Google Satellite Images", 11, &google_3);
+}
 
 /* 1 << (x) is like a 2**(x) */
 #define GZ(x) ((1<<x))
@@ -73,21 +94,23 @@ void google_mapcoord_to_center_coord ( MapCoord *src, VikCoord *dest )
   dest->north_south = DEMERCLAT(180 - ((src->y+0.5) / GZ(17) * socalled_mpp * 360));
 }
 
-static void real_google_download ( MapCoord *src, const gchar *dest_fn, const char *verstr )
+static int real_google_download ( MapCoord *src, const gchar *dest_fn, const char *verstr )
 {
+   int res;
    gchar *uri = g_strdup_printf ( "/mt?v=%s&x=%d&y=%d&zoom=%d", verstr, src->x, src->y, src->scale );
-   a_http_download_get_url ( "mt.google.com", uri, dest_fn );
+   res = a_http_download_get_url ( "mt.google.com", uri, dest_fn );
    g_free ( uri );
+   return res;
 }
 
-void google_download ( MapCoord *src, const gchar *dest_fn )
+static int google_download ( MapCoord *src, const gchar *dest_fn )
 {
-   real_google_download ( src, dest_fn, "w2.15" );
+   return(real_google_download ( src, dest_fn, GOOGLE_VERSION ));
 }
 
-void google_trans_download ( MapCoord *src, const gchar *dest_fn )
+static int google_trans_download ( MapCoord *src, const gchar *dest_fn )
 {
-   real_google_download ( src, dest_fn, "w2t.1" );
+   return(real_google_download ( src, dest_fn, GOOGLE_TRANS_VERSION ));
 }
 
 static char *kh_encode(guint32 x, guint32 y, guint8 scale)
@@ -131,11 +154,13 @@ static char *kh_encode(guint32 x, guint32 y, guint8 scale)
   return buf;
 }
 
-void google_kh_download ( MapCoord *src, const gchar *dest_fn )
+static int google_kh_download ( MapCoord *src, const gchar *dest_fn )
 {
+   int res;
    gchar *khenc = kh_encode( src->x, src->y, src->scale );
-   gchar *uri = g_strdup_printf ( "/kh?v=3&t=%s", khenc );
+   gchar *uri = g_strdup_printf ( "/kh?v=%s&t=%s", GOOGLE_KH_VERSION, khenc );
    g_free ( khenc );
-   a_http_download_get_url ( "kh.google.com", uri, dest_fn );
+   res = a_http_download_get_url ( "kh.google.com", uri, dest_fn );
    g_free ( uri );
+   return(res);
 }