* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2005, Evan Battaglia <viking@greentorch.org>
+ * Copyright (C) 2010, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
* UTM multi-zone stuff by Kit Transue <notlostyet@didactek.com>
* Dynamic map type by Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
*
/* only for dialog.h -- ugh */
#include "vikwaypoint.h"
#include "dialog.h"
+#include "preferences.h"
#include "vikstatus.h"
#include "background.h"
#define NUM_MAP_TYPES g_list_length(__map_types)
/* List of label for each map type */
-static GList *params_maptypes = NULL;
+static gchar **params_maptypes = NULL;
/* Corresponding IDS. (Cf. field uniq_id in VikMapsLayer struct) */
-static GList *params_maptypes_ids = NULL;
+static guint *params_maptypes_ids = NULL;
/******** MAPZOOMS *********/
static void maps_layer_set_cache_dir ( VikMapsLayer *vml, const gchar *dir );
static void start_download_thread ( VikMapsLayer *vml, VikViewport *vvp, const VikCoord *ul, const VikCoord *br, gint redownload );
static void maps_layer_add_menu_items ( VikMapsLayer *vml, GtkMenu *menu, VikLayersPanel *vlp );
+static guint map_uniq_id_to_index ( guint uniq_id );
static VikLayerParamScale params_scales[] = {
};
VikLayerParam maps_layer_params[] = {
- { "mode", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Map Type:"), VIK_LAYER_WIDGET_RADIOGROUP, NULL, NULL },
+ { "mode", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Map Type:"), VIK_LAYER_WIDGET_COMBOBOX, NULL, NULL },
{ "directory", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Maps Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY },
{ "alpha", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Alpha:"), VIK_LAYER_WIDGET_HSCALE, params_scales },
{ "autodownload", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, N_("Autodownload maps:"), VIK_LAYER_WIDGET_CHECKBUTTON },
- { "mapzoom", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Zoom Level:"), VIK_LAYER_WIDGET_COMBOBOX, params_mapzooms },
+ { "mapzoom", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Zoom Level:"), VIK_LAYER_WIDGET_COMBOBOX, params_mapzooms, NULL },
};
enum { PARAM_MAPTYPE=0, PARAM_CACHE_DIR, PARAM_ALPHA, PARAM_AUTODOWNLOAD, PARAM_MAPZOOM, NUM_PARAMS };
VikViewport *redownload_vvp;
};
-enum { REDOWNLOAD_NONE = 0, REDOWNLOAD_BAD, REDOWNLOAD_ALL, DOWNLOAD_OR_REFRESH };
+enum { REDOWNLOAD_NONE = 0, /* download only missing maps */
+ REDOWNLOAD_BAD, /* download missing and bad maps */
+ REDOWNLOAD_NEW, /* download missing maps that are newer on server only */
+ REDOWNLOAD_ALL, /* download all maps */
+ DOWNLOAD_OR_REFRESH }; /* download missing maps and refresh cache */
+static VikLayerParam prefs[] = {
+ { VIKING_PREFERENCES_NAMESPACE "maplayer_default_dir", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Default maplayer directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL },
+};
+
+void maps_layer_init ()
+{
+ VikLayerParamData tmp;
+ tmp.s = maps_layer_default_dir();
+ a_preferences_register(prefs, tmp, VIKING_PREFERENCES_GROUP_KEY);
+}
/****************************************/
/******** MAPS LAYER TYPES **************/
/****************************************/
-void maps_layer_register_map_source ( VikMapSource *map )
+int _get_index_for_id ( guint id )
{
- g_assert(map != NULL);
-
- guint id = vik_map_source_get_uniq_id(map);
- const char *label = vik_map_source_get_label(map);
- g_assert(label != NULL);
+ int index = 0 ;
+ while (params_maptypes_ids[index] != 0)
+ {
+ if (params_maptypes_ids[index] == id)
+ return index;
+ index++;
+ }
+ return -1;
+}
+void _add_map_source ( guint id, const char *label, VikMapSource *map )
+{
+ gsize len = 0;
+ if (params_maptypes)
+ len = g_strv_length (params_maptypes);
/* Add the label */
- params_maptypes = g_list_append(params_maptypes, g_strdup(label));
+ params_maptypes = g_realloc (params_maptypes, (len+2)*sizeof(gchar*));
+ params_maptypes[len] = g_strdup (label);
+ params_maptypes[len+1] = NULL;
/* Add the id */
- params_maptypes_ids = g_list_append(params_maptypes_ids, GUINT_TO_POINTER (id));
+ params_maptypes_ids = g_realloc (params_maptypes_ids, (len+2)*sizeof(guint));
+ params_maptypes_ids[len] = id;
+ params_maptypes_ids[len+1] = 0;
/* We have to clone */
VikMapSource *clone = VIK_MAP_SOURCE(g_object_ref(map));
__map_types = g_list_append(__map_types, clone);
/* Hack
- We have to ensure the mode LayerParam reference the up-to-date
+ We have to ensure the mode LayerParam references the up-to-date
GLists.
*/
/*
maps_layer_params[0].extra_widget_data = params_maptypes_ids;
}
-#define MAPS_LAYER_NTH_LABEL(n) ((gchar*)g_list_nth_data(params_maptypes, (n)))
-#define MAPS_LAYER_NTH_ID(n) ((guint)g_list_nth_data(params_maptypes_ids, (n)))
+void _update_map_source ( const char *label, VikMapSource *map, int index )
+{
+ GList *item = g_list_nth (__map_types, index);
+ g_object_unref (item->data);
+ item->data = g_object_ref (map);
+ /* Change previous data */
+ g_free (params_maptypes[index]);
+ params_maptypes[index] = g_strdup (label);
+}
+
+void maps_layer_register_map_source ( VikMapSource *map )
+{
+ g_assert(map != NULL);
+
+ guint id = vik_map_source_get_uniq_id(map);
+ const char *label = vik_map_source_get_label(map);
+ g_assert(label != NULL);
+
+ int previous = map_uniq_id_to_index (id);
+ if (previous != NUM_MAP_TYPES)
+ {
+ _update_map_source (label, map, previous);
+ }
+ else
+ {
+ _add_map_source (id, label, map);
+ }
+}
+
+#define MAPS_LAYER_NTH_LABEL(n) (params_maptypes[n])
+#define MAPS_LAYER_NTH_ID(n) (params_maptypes_ids[n])
#define MAPS_LAYER_NTH_TYPE(n) (VIK_MAP_SOURCE(g_list_nth_data(__map_types, (n))))
gint vik_maps_layer_get_map_type(VikMapsLayer *vml)
vml->cache_dir = NULL;
if ( dir == NULL || dir[0] == '\0' )
- vml->cache_dir = g_strdup ( MAPS_CACHE_DIR );
+ vml->cache_dir = g_strdup ( a_preferences_get(VIKING_PREFERENCES_NAMESPACE "maplayer_default_dir")->s );
else
{
len = strlen(dir);
int idx;
VikMapsLayer *vml = VIK_MAPS_LAYER ( g_object_new ( VIK_MAPS_LAYER_TYPE, NULL ) );
vik_layer_init ( VIK_LAYER(vml), VIK_LAYER_MAPS );
- idx = map_uniq_id_to_index(7); /* 7 is id for google maps */
+ idx = map_uniq_id_to_index(13); /* 13 is id for OSM Mapnik maps */
vml->maptype = (idx < NUM_MAP_TYPES) ? idx : 0;
vml->alpha = 255;
vml->mapzoom_id = 0;
{
GdkPixbuf *tmp;
guint16 width = gdk_pixbuf_get_width(pixbuf), height = gdk_pixbuf_get_height(pixbuf);
- tmp = gdk_pixbuf_scale_simple(pixbuf, ceil(width * xshrinkfactor), ceil(height * yshrinkfactor), GDK_INTERP_BILINEAR);
+ tmp = gdk_pixbuf_scale_simple(pixbuf, ceil(width * xshrinkfactor), ceil(height * yshrinkfactor), GDK_INTERP_NEAREST);
g_object_unref ( G_OBJECT(pixbuf) );
return tmp;
}
g_snprintf ( filename_buf, buf_len, DIRSTRUCTURE,
vml->cache_dir, mode,
mapcoord->scale, mapcoord->z, mapcoord->x, mapcoord->y );
- if ( g_file_test ( filename_buf, G_FILE_TEST_EXISTS ) == TRUE) {
+ if ( g_file_test ( filename_buf, G_FILE_TEST_EXISTS ) == TRUE)
{
GError *gx = NULL;
pixbuf = gdk_pixbuf_new_from_file ( filename_buf, &gx );
+ /* free the pixbuf on error */
if (gx)
{
if ( gx->domain != GDK_PIXBUF_ERROR || gx->code != GDK_PIXBUF_ERROR_CORRUPT_IMAGE )
g_warning ( _("Couldn't open image file: %s"), gx->message );
- g_error_free ( gx );
- if ( pixbuf )
- g_object_unref ( G_OBJECT(pixbuf) );
- pixbuf = NULL;
- } else {
+ g_error_free ( gx );
+ if ( pixbuf )
+ g_object_unref ( G_OBJECT(pixbuf) );
+ pixbuf = NULL;
+ } else {
if ( vml->alpha < 255 )
pixbuf = pixbuf_set_alpha ( pixbuf, vml->alpha );
if ( xshrinkfactor != 1.0 || yshrinkfactor != 1.0 )
a_mapcache_add ( pixbuf, mapcoord->x, mapcoord->y,
mapcoord->z, vik_map_source_get_uniq_id(MAPS_LAYER_NTH_TYPE(vml->maptype)),
mapcoord->scale, vml->alpha, xshrinkfactor, yshrinkfactor );
- }
}
}
}
#ifdef DEBUG
fputs(stderr, "DEBUG: Starting autodownload\n");
#endif
- start_download_thread ( vml, vvp, ul, br, REDOWNLOAD_NONE );
+ if ( vik_map_source_supports_if_modified_since (map) )
+ // Try to download newer tiles
+ start_download_thread ( vml, vvp, ul, br, REDOWNLOAD_NEW );
+ else
+ // Download only missing tiles
+ start_download_thread ( vml, vvp, ul, br, REDOWNLOAD_NONE );
}
if ( vik_map_source_get_tilesize_x(map) == 0 && !existence_only ) {
vik_viewport_draw_line ( vvp, black_gc, xx+tilesize_x_ceil, yy, xx, yy+tilesize_y_ceil );
}
} else {
- pixbuf = get_pixbuf ( vml, mode, &ulm, path_buf, max_path_len, xshrinkfactor, yshrinkfactor );
- if ( pixbuf )
- vik_viewport_draw_pixbuf ( vvp, pixbuf, 0, 0, xx, yy, tilesize_x_ceil, tilesize_y_ceil );
+ int scale_inc;
+ for (scale_inc = 0; scale_inc < 4; scale_inc ++) {
+ /* try with correct then smaller zooms */
+ int scale_factor = 1 << scale_inc; /* 2^scale_inc */
+ MapCoord ulm2 = ulm;
+ ulm2.x = ulm.x / scale_factor;
+ ulm2.y = ulm.y / scale_factor;
+ ulm2.scale = ulm.scale + scale_inc;
+ pixbuf = get_pixbuf ( vml, mode, &ulm2, path_buf, max_path_len, xshrinkfactor * scale_factor, yshrinkfactor * scale_factor );
+ if ( pixbuf ) {
+ gint src_x = (ulm.x % scale_factor) * tilesize_x_ceil;
+ gint src_y = (ulm.y % scale_factor) * tilesize_y_ceil;
+#ifdef DEBUG
+ printf("maps_layer_draw_section - x=%d, y=%d, z=%d, src_x=%d, src_y=%d, xx=%d, yy=%d - %x\n", ulm.x, ulm.y, ulm.scale, src_x, src_y, (int)xx, (int)yy, vvp);
+#endif
+ vik_viewport_draw_pixbuf ( vvp, pixbuf, src_x, src_y, xx, yy, tilesize_x_ceil, tilesize_y_ceil );
+ break;
+ }
+ }
+ if ( !pixbuf ) {
+ /* retry with bigger zooms */
+ int scale_dec;
+ for (scale_dec = 1; scale_dec < 2; scale_dec ++) {
+ int pict_x, pict_y;
+ int scale_factor = 1 << scale_dec; /* 2^scale_dec */
+ MapCoord ulm2 = ulm;
+ ulm2.x = ulm.x * scale_factor;
+ ulm2.y = ulm.y * scale_factor;
+ ulm2.scale = ulm.scale - scale_dec;
+ for (pict_x = 0; pict_x < scale_factor; pict_x ++) {
+ for (pict_y = 0; pict_y < scale_factor; pict_y ++) {
+ MapCoord ulm3 = ulm2;
+ ulm3.x += pict_x;
+ ulm3.y += pict_y;
+ pixbuf = get_pixbuf ( vml, mode, &ulm3, path_buf, max_path_len, xshrinkfactor / scale_factor, yshrinkfactor / scale_factor );
+ if ( pixbuf ) {
+ gint src_x = 0;
+ gint src_y = 0;
+ gint dest_x = xx + pict_x * (tilesize_x_ceil / scale_factor);
+ gint dest_y = yy + pict_y * (tilesize_y_ceil / scale_factor);
+ vik_viewport_draw_pixbuf ( vvp, pixbuf, src_x, src_y, dest_x, dest_y, tilesize_x_ceil / scale_factor, tilesize_y_ceil / scale_factor );
+ }
+ }
+ }
+ }
+ }
}
yy += tilesize_y;
static int map_download_thread ( MapDownloadInfo *mdi, gpointer threaddata )
{
+ void *handle = vik_map_source_download_handle_init(MAPS_LAYER_NTH_TYPE(mdi->maptype));
guint donemaps = 0;
gint x, y;
for ( x = mdi->x0; x <= mdi->xf; x++ )
donemaps++;
int res = a_background_thread_progress ( threaddata, ((gdouble)donemaps) / mdi->mapstoget ); /* this also calls testcancel */
- if (res != 0)
+ if (res != 0) {
+ vik_map_source_download_handle_cleanup(MAPS_LAYER_NTH_TYPE(mdi->maptype), handle);
return -1;
+ }
if ( mdi->redownload == REDOWNLOAD_ALL)
g_remove ( mdi->filename_buf );
remove_mem_cache = TRUE;
} else if ( mdi->redownload == DOWNLOAD_OR_REFRESH ) {
remove_mem_cache = TRUE;
+ } else if ( mdi->redownload == REDOWNLOAD_NEW) {
+ need_download = TRUE;
+ remove_mem_cache = TRUE;
} else
continue;
mdi->mapcoord.x = x; mdi->mapcoord.y = y;
if (need_download) {
- if ( vik_map_source_download( MAPS_LAYER_NTH_TYPE(mdi->maptype), &(mdi->mapcoord), mdi->filename_buf ))
+ if ( vik_map_source_download( MAPS_LAYER_NTH_TYPE(mdi->maptype), &(mdi->mapcoord), mdi->filename_buf, handle))
continue;
}
}
}
+ vik_map_source_download_handle_cleanup(MAPS_LAYER_NTH_TYPE(mdi->maptype), handle);
g_mutex_lock(mdi->mutex);
if (mdi->map_layer_alive)
g_object_weak_unref(G_OBJECT(mdi->vml), weak_ref_cb, mdi);
{
start_download_thread ( vml, vml->redownload_vvp, &(vml->redownload_ul), &(vml->redownload_br), REDOWNLOAD_BAD );
}
+
static void maps_layer_redownload_all ( VikMapsLayer *vml )
{
start_download_thread ( vml, vml->redownload_vvp, &(vml->redownload_ul), &(vml->redownload_br), REDOWNLOAD_ALL );
}
+static void maps_layer_redownload_new ( VikMapsLayer *vml )
+{
+ start_download_thread ( vml, vml->redownload_vvp, &(vml->redownload_ul), &(vml->redownload_br), REDOWNLOAD_NEW );
+}
+
static gboolean maps_layer_download_release ( VikMapsLayer *vml, GdkEventButton *event, VikViewport *vvp )
{
if (!vml || vml->vl.type != VIK_LAYER_MAPS)
g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_redownload_bad), vml );
gtk_menu_shell_append ( GTK_MENU_SHELL(vml->dl_right_click_menu), item );
+ item = gtk_menu_item_new_with_label ( _("Redownload new map(s)") );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_redownload_new), vml );
+ gtk_menu_shell_append ( GTK_MENU_SHELL(vml->dl_right_click_menu), item );
+
item = gtk_menu_item_new_with_label ( _("Redownload all map(s)") );
g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_redownload_all), vml );
gtk_menu_shell_append ( GTK_MENU_SHELL(vml->dl_right_click_menu), item );
}
-static void maps_layer_download_onscreen_maps ( gpointer vml_vvp[2] )
+static void maps_layer_download_missing_onscreen_maps ( gpointer vml_vvp[2] )
{
download_onscreen_maps( vml_vvp, REDOWNLOAD_NONE);
}
+static void maps_layer_download_new_onscreen_maps ( gpointer vml_vvp[2] )
+{
+ download_onscreen_maps( vml_vvp, REDOWNLOAD_NEW);
+}
+
static void maps_layer_redownload_all_onscreen_maps ( gpointer vml_vvp[2] )
{
download_onscreen_maps( vml_vvp, REDOWNLOAD_ALL);
gtk_menu_shell_append ( GTK_MENU_SHELL(menu), item );
gtk_widget_show ( item );
- item = gtk_menu_item_new_with_label ( _("Download Onscreen Maps") );
- g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_download_onscreen_maps), pass_along );
+ item = gtk_menu_item_new_with_label ( _("Download missing Onscreen Maps") );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_download_missing_onscreen_maps), pass_along );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_show ( item );
+ if ( vik_map_source_supports_if_modified_since (MAPS_LAYER_NTH_TYPE(vml->maptype)) ) {
+ item = gtk_menu_item_new_with_label ( _("Download new Onscreen Maps from server") );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_download_new_onscreen_maps), pass_along );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+ }
+
/* TODO Add GTK_STOCK_REFRESH icon */
item = gtk_menu_item_new_with_label ( _("Refresh Onscreen Tiles") );
g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(maps_layer_redownload_all_onscreen_maps), pass_along );