#include "maputils.h"
#include "mapcoord.h"
#include "mapcache.h"
+#include "dir.h"
#include "util.h"
#include "ui_util.h"
#include "preferences.h"
#include "icons/icons.h"
#include "mapnik_interface.h"
+#include "background.h"
+
+#include "vikmapslayer.h"
+
+#if !GLIB_CHECK_VERSION(2,26,0)
+typedef struct stat GStatBuf;
+#endif
struct _VikMapnikLayerClass
{
static VikLayerParamData size_default ( void ) { return VIK_LPD_UINT ( 256 ); }
static VikLayerParamData alpha_default ( void ) { return VIK_LPD_UINT ( 255 ); }
+static VikLayerParamData cache_dir_default ( void )
+{
+ VikLayerParamData data;
+ data.s = g_strconcat ( maps_layer_default_dir(), "MapnikRendering", NULL );
+ return data;
+}
+
static VikLayerParamScale scales[] = {
{ 0, 255, 5, 0 }, // Alpha
{ 64, 1024, 8, 0 }, // Tile size
+ { 0, 1024, 12, 0 }, // Rerender timeout hours
};
VikLayerParam mapnik_layer_params[] = {
N_("Mapnik XML configuration file"), file_default, NULL, NULL },
{ VIK_LAYER_MAPNIK, "alpha", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Alpha:"), VIK_LAYER_WIDGET_HSCALE, &scales[0], NULL,
NULL, alpha_default, NULL, NULL },
+ { VIK_LAYER_MAPNIK, "use-file-cache", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, N_("Use File Cache:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL,
+ NULL, vik_lpd_true_default, NULL, NULL },
+ { VIK_LAYER_MAPNIK, "file-cache-dir", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("File Cache Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL,
+ NULL, cache_dir_default, NULL, NULL },
};
enum {
PARAM_CONFIG_CSS = 0,
PARAM_CONFIG_XML,
PARAM_ALPHA,
+ PARAM_USE_FILE_CACHE,
+ PARAM_FILE_CACHE_DIR,
NUM_PARAMS };
static const gchar* mapnik_layer_tooltip ( VikMapnikLayer *vml );
static void mapnik_layer_draw ( VikMapnikLayer *vml, VikViewport *vp );
static void mapnik_layer_add_menu_items ( VikMapnikLayer *vml, GtkMenu *menu, gpointer vlp );
+static gpointer mapnik_feature_create ( VikWindow *vw, VikViewport *vvp)
+{
+ return vvp;
+}
+
+static gboolean mapnik_feature_release ( VikMapnikLayer *vml, GdkEventButton *event, VikViewport *vvp );
+
// See comment in viktrwlayer.c for advice on values used
// FUTURE:
static VikToolInterface mapnik_tools[] = {
// Layer Info
// Zoom All?
+ { { "MapnikFeatures", GTK_STOCK_INFO, N_("_Mapnik Features"), NULL, N_("Mapnik Features"), 0 },
+ (VikToolConstructorFunc) mapnik_feature_create,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ (VikToolMouseFunc) mapnik_feature_release,
+ NULL,
+ FALSE,
+ GDK_LEFT_PTR, NULL, NULL },
};
static void mapnik_layer_post_read (VikLayer *vl, VikViewport *vvp, gboolean from_file);
(VikLayerFuncDraw) mapnik_layer_draw,
(VikLayerFuncChangeCoordMode) NULL,
+ (VikLayerFuncGetTimestamp) NULL,
+
(VikLayerFuncSetMenuItemsSelection) NULL,
(VikLayerFuncGetMenuItemsSelection) NULL,
guint tile_size_x; // Y is the same as X ATM
gboolean loaded;
MapnikInterface* mi;
+ guint rerender_timeout;
+
+ gboolean use_file_cache;
+ gchar *file_cache_dir;
+
+ VikCoord rerender_ul;
+ VikCoord rerender_br;
+ gdouble rerender_zoom;
+ GtkWidget *right_click_menu;
};
#define MAPNIK_PREFS_GROUP_KEY "mapnik"
#else
if ( g_file_test ( "/usr/lib/mapnik/input", G_FILE_TEST_EXISTS ) )
data.s = g_strdup ( "/usr/lib/mapnik/input" );
+ // Current Debian locations
+ else if ( g_file_test ( "/usr/lib/mapnik/3.0/input", G_FILE_TEST_EXISTS ) )
+ data.s = g_strdup ( "/usr/lib/mapnik/3.0/input" );
else if ( g_file_test ( "/usr/lib/mapnik/2.2/input", G_FILE_TEST_EXISTS ) )
- // Current Debian location
data.s = g_strdup ( "/usr/lib/mapnik/2.2/input" );
else
data.s = g_strdup ( "" );
{ VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"plugins_directory", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Plugins Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL, N_("You need to restart Viking for a change to this value to be used"), plugins_default, NULL, NULL },
{ VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"fonts_directory", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("Fonts Directory:"), VIK_LAYER_WIDGET_FOLDERENTRY, NULL, NULL, N_("You need to restart Viking for a change to this value to be used"), fonts_default, NULL, NULL },
{ VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"recurse_fonts_directory", VIK_LAYER_PARAM_BOOLEAN, VIK_LAYER_GROUP_NONE, N_("Recurse Fonts Directory:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL, N_("You need to restart Viking for a change to this value to be used"), vik_lpd_true_default, NULL, NULL },
+ { VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"rerender_after", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Rerender Timeout (hours):"), VIK_LAYER_WIDGET_SPINBUTTON, &scales[2], NULL, N_("You need to restart Viking for a change to this value to be used"), NULL, NULL, NULL },
// Changeable any time
{ VIK_LAYER_NUM_TYPES, MAPNIK_PREFS_NAMESPACE"carto", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("CartoCSS:"), VIK_LAYER_WIDGET_FILEENTRY, NULL, NULL, N_("The program to convert CartoCSS files into Mapnik XML"), NULL, NULL, NULL },
};
-// NB Only performed once per program run
-static void mapnik_layer_class_init ( VikMapnikLayerClass *klass )
-{
- mapnik_interface_initialize ( a_preferences_get (MAPNIK_PREFS_NAMESPACE"plugins_directory")->s,
- a_preferences_get (MAPNIK_PREFS_NAMESPACE"fonts_directory")->s,
- a_preferences_get (MAPNIK_PREFS_NAMESPACE"recurse_fonts_directory")->b );
-}
+static time_t planet_import_time;
+static GMutex *tp_mutex;
+static GHashTable *requests = NULL;
+
+/**
+ * vik_mapnik_layer_init:
+ *
+ * Just initialize preferences
+ */
void vik_mapnik_layer_init (void)
{
a_preferences_register_group ( MAPNIK_PREFS_GROUP_KEY, "Mapnik" );
tmp.b = TRUE;
a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY);
+ tmp.u = 168; // One week
+ a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY);
+
tmp.s = "carto";
a_preferences_register(&prefs[i++], tmp, MAPNIK_PREFS_GROUP_KEY);
}
+/**
+ * vik_mapnik_layer_post_init:
+ *
+ * Initialize data structures - now that reading preferences is OK to perform
+ */
+void vik_mapnik_layer_post_init (void)
+{
+ tp_mutex = vik_mutex_new();
+
+ // Just storing keys only
+ requests = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, NULL );
+
+ guint hours = a_preferences_get (MAPNIK_PREFS_NAMESPACE"rerender_after")->u;
+ GDateTime *now = g_date_time_new_now_local ();
+ GDateTime *then = g_date_time_add_hours (now, -hours);
+ planet_import_time = g_date_time_to_unix (then);
+ g_date_time_unref ( now );
+ g_date_time_unref ( then );
+
+ GStatBuf gsb;
+ // Similar to mod_tile method to mark DB has been imported/significantly changed to cause a rerendering of all tiles
+ gchar *import_time_file = g_strconcat ( a_get_viking_dir(), G_DIR_SEPARATOR_S, "planet-import-complete", NULL );
+ if ( g_stat ( import_time_file, &gsb ) == 0 ) {
+ // Only update if newer
+ if ( planet_import_time > gsb.st_mtime )
+ planet_import_time = gsb.st_mtime;
+ }
+ g_free ( import_time_file );
+}
+
+void vik_mapnik_layer_uninit ()
+{
+ vik_mutex_free (tp_mutex);
+}
+
+// NB Only performed once per program run
+static void mapnik_layer_class_init ( VikMapnikLayerClass *klass )
+{
+ VikLayerParamData *pd = a_preferences_get (MAPNIK_PREFS_NAMESPACE"plugins_directory");
+ VikLayerParamData *fd = a_preferences_get (MAPNIK_PREFS_NAMESPACE"fonts_directory");
+ VikLayerParamData *rfd = a_preferences_get (MAPNIK_PREFS_NAMESPACE"recurse_fonts_directory");
+
+ if ( pd && fd && rfd )
+ mapnik_interface_initialize ( pd->s, fd->s, rfd->b );
+ else
+ g_critical ( "Unable to initialize mapnik interface from preferences" );
+}
+
GType vik_mapnik_layer_get_type ()
{
static GType vml_type = 0;
{
if ( vml->filename_xml )
g_free (vml->filename_xml);
- vml->filename_xml = g_strdup (name);
+ // Mapnik doesn't seem to cope with relative filenames
+ if ( g_strcmp0 (name, "" ) )
+ vml->filename_xml = vu_get_canonical_filename ( VIK_LAYER(vml), name);
+ else
+ vml->filename_xml = g_strdup (name);
}
static void mapnik_layer_set_file_css ( VikMapnikLayer *vml, const gchar *name )
vml->filename_css = g_strdup (name);
}
+static void mapnik_layer_set_cache_dir ( VikMapnikLayer *vml, const gchar *name )
+{
+ if ( vml->file_cache_dir )
+ g_free (vml->file_cache_dir);
+ vml->file_cache_dir = g_strdup (name);
+}
+
static void mapnik_layer_marshall( VikMapnikLayer *vml, guint8 **data, gint *len )
{
vik_layer_marshall_params ( VIK_LAYER(vml), data, len );
case PARAM_CONFIG_CSS: mapnik_layer_set_file_css (vml, data.s); break;
case PARAM_CONFIG_XML: mapnik_layer_set_file_xml (vml, data.s); break;
case PARAM_ALPHA: if ( data.u <= 255 ) vml->alpha = data.u; break;
+ case PARAM_USE_FILE_CACHE: vml->use_file_cache = data.b; break;
+ case PARAM_FILE_CACHE_DIR: mapnik_layer_set_cache_dir (vml, data.s); break;
default: break;
}
return TRUE;
break;
}
case PARAM_ALPHA: data.u = vml->alpha; break;
- //case PARAM_TILE_X: data.u = vml->tile_size_x; break;
+ case PARAM_USE_FILE_CACHE: data.b = vml->use_file_cache; break;
+ case PARAM_FILE_CACHE_DIR: data.s = vml->file_cache_dir; break;
default: break;
}
return data;
return answer;
}
-#if !GLIB_CHECK_VERSION(2,26,0)
-typedef struct stat GStatBuf;
-#endif
-
/**
*
*/
// Don't load the XML config if carto load fails
if ( !carto_load ( vml, vvp ) )
return;
- if ( mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x ) ) {
- if ( !from_file )
- a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp),
- _("Mapnik error loading configuration file: %s"),
- vml->filename_xml );
- else
- g_warning ( _("Mapnik error loading configuration file: %s"), vml->filename_xml );
+
+ gchar* ans = mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x );
+ if ( ans ) {
+ a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp),
+ _("Mapnik error loading configuration file:\n%s"),
+ ans );
+ g_free ( ans );
}
else {
vml->loaded = TRUE;
}
}
+#define MAPNIK_LAYER_FILE_CACHE_LAYOUT "%s"G_DIR_SEPARATOR_S"%d"G_DIR_SEPARATOR_S"%d"G_DIR_SEPARATOR_S"%d.png"
+
+// Free returned string after use
+static gchar *get_filename ( gchar *dir, guint x, guint y, guint z)
+{
+ return g_strdup_printf ( MAPNIK_LAYER_FILE_CACHE_LAYOUT, dir, (17-z), x, y );
+}
+
+static void possibly_save_pixbuf ( VikMapnikLayer *vml, GdkPixbuf *pixbuf, MapCoord *ulm )
+{
+ if ( vml->use_file_cache ) {
+ if ( vml->file_cache_dir ) {
+ GError *error = NULL;
+ gchar *filename = get_filename ( vml->file_cache_dir, ulm->x, ulm->y, ulm->scale );
+
+ gchar *dir = g_path_get_dirname ( filename );
+ if ( !g_file_test ( filename, G_FILE_TEST_EXISTS ) )
+ if ( g_mkdir_with_parents ( dir , 0777 ) != 0 )
+ g_warning ("%s: Failed to mkdir %s", __FUNCTION__, dir );
+ g_free ( dir );
+
+ if ( !gdk_pixbuf_save (pixbuf, filename, "png", &error, NULL ) ) {
+ g_warning ("%s: %s", __FUNCTION__, error->message );
+ g_error_free (error);
+ }
+ g_free (filename);
+ }
+ }
+}
+
+typedef struct
+{
+ VikMapnikLayer *vml;
+ VikCoord *ul;
+ VikCoord *br;
+ MapCoord *ulmc;
+ const gchar* request;
+} RenderInfo;
+
+/**
+ * render:
+ *
+ * Common render function which can run in separate thread
+ */
+static void render ( VikMapnikLayer *vml, VikCoord *ul, VikCoord *br, MapCoord *ulm )
+{
+ gint64 tt1 = g_get_real_time ();
+ GdkPixbuf *pixbuf = mapnik_interface_render ( vml->mi, ul->north_south, ul->east_west, br->north_south, br->east_west );
+ gint64 tt2 = g_get_real_time ();
+ gdouble tt = (gdouble)(tt2-tt1)/1000000;
+ g_debug ( "Mapnik rendering completed in %.3f seconds", tt );
+ if ( !pixbuf ) {
+ // A pixbuf to stick into cache incase of an unrenderable area - otherwise will get continually re-requested
+ pixbuf = gdk_pixbuf_scale_simple ( gdk_pixbuf_from_pixdata(&vikmapniklayer_pixbuf, FALSE, NULL), vml->tile_size_x, vml->tile_size_x, GDK_INTERP_BILINEAR );
+ }
+ possibly_save_pixbuf ( vml, pixbuf, ulm );
+
+ // NB Mapnik can apply alpha, but use our own function for now
+ if ( vml->alpha < 255 )
+ pixbuf = ui_pixbuf_scale_alpha ( pixbuf, vml->alpha );
+ a_mapcache_add ( pixbuf, (mapcache_extra_t){ tt }, ulm->x, ulm->y, ulm->z, MAP_ID_MAPNIK_RENDER, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml );
+ g_object_unref(pixbuf);
+}
+
+static void render_info_free ( RenderInfo *data )
+{
+ g_free ( data->ul );
+ g_free ( data->br );
+ g_free ( data->ulmc );
+ // NB No need to free the request/key - as this is freed by the hash table destructor
+ g_free ( data );
+}
+
+static void background ( RenderInfo *data, gpointer threaddata )
+{
+ int res = a_background_thread_progress ( threaddata, 0 );
+ if (res == 0) {
+ render ( data->vml, data->ul, data->br, data->ulmc );
+ }
+
+ g_mutex_lock(tp_mutex);
+ g_hash_table_remove (requests, data->request);
+ g_mutex_unlock(tp_mutex);
+
+ if (res == 0)
+ vik_layer_emit_update ( VIK_LAYER(data->vml) ); // NB update display from background
+}
+
+static void render_cancel_cleanup (RenderInfo *data)
+{
+ // Anything?
+}
+
+#define REQUEST_HASHKEY_FORMAT "%d-%d-%d-%d-%d"
+
+/**
+ * Thread
+ */
+void thread_add (VikMapnikLayer *vml, MapCoord *mul, VikCoord *ul, VikCoord *br, gint x, gint y, gint z, gint zoom, const gchar* name )
+{
+ // Create request
+ guint nn = name ? g_str_hash ( name ) : 0;
+ gchar *request = g_strdup_printf ( REQUEST_HASHKEY_FORMAT, x, y, z, zoom, nn );
+
+ g_mutex_lock(tp_mutex);
+
+ if ( g_hash_table_lookup_extended (requests, request, NULL, NULL ) ) {
+ g_free ( request );
+ g_mutex_unlock (tp_mutex);
+ return;
+ }
+
+ RenderInfo *ri = g_malloc ( sizeof(RenderInfo) );
+ ri->vml = vml;
+ ri->ul = g_malloc ( sizeof(VikCoord) );
+ ri->br = g_malloc ( sizeof(VikCoord) );
+ ri->ulmc = g_malloc ( sizeof(MapCoord) );
+ memcpy(ri->ul, ul, sizeof(VikCoord));
+ memcpy(ri->br, br, sizeof(VikCoord));
+ memcpy(ri->ulmc, mul, sizeof(MapCoord));
+ ri->request = request;
+
+ g_hash_table_insert ( requests, request, NULL );
+
+ g_mutex_unlock (tp_mutex);
+
+ gchar *basename = g_path_get_basename (name);
+ gchar *description = g_strdup_printf ( _("Mapnik Render %d:%d:%d %s"), zoom, x, y, basename );
+ g_free ( basename );
+ a_background_thread ( BACKGROUND_POOL_LOCAL_MAPNIK,
+ VIK_GTK_WINDOW_FROM_LAYER(vml),
+ description,
+ (vik_thr_func) background,
+ ri,
+ (vik_thr_free_func) render_info_free,
+ (vik_thr_free_func) render_cancel_cleanup,
+ 1 );
+ g_free ( description );
+}
+
/**
+ * load_pixbuf:
*
+ * If function returns GdkPixbuf properly, reference counter to this
+ * buffer has to be decreased, when buffer is no longer needed.
+ */
+static GdkPixbuf *load_pixbuf ( VikMapnikLayer *vml, MapCoord *ulm, MapCoord *brm, gboolean *rerender )
+{
+ *rerender = FALSE;
+ GdkPixbuf *pixbuf = NULL;
+ gchar *filename = get_filename ( vml->file_cache_dir, ulm->x, ulm->y, ulm->scale );
+
+ GStatBuf gsb;
+ if ( g_stat ( filename, &gsb ) == 0 ) {
+ // Get from disk
+ GError *error = NULL;
+ pixbuf = gdk_pixbuf_new_from_file ( filename, &error );
+ if ( error ) {
+ g_warning ("%s: %s", __FUNCTION__, error->message );
+ g_error_free ( error );
+ }
+ else {
+ if ( vml->alpha < 255 )
+ pixbuf = ui_pixbuf_set_alpha ( pixbuf, vml->alpha );
+ a_mapcache_add ( pixbuf, (mapcache_extra_t) { -42.0 }, ulm->x, ulm->y, ulm->z, MAP_ID_MAPNIK_RENDER, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml );
+ }
+ // If file is too old mark for rerendering
+ if ( planet_import_time < gsb.st_mtime ) {
+ *rerender = TRUE;
+ }
+ }
+ g_free ( filename );
+
+ return pixbuf;
+}
+
+/**
+ * Caller has to decrease reference counter of returned
+ * GdkPixbuf, when buffer is no longer needed.
*/
static GdkPixbuf *get_pixbuf ( VikMapnikLayer *vml, MapCoord *ulm, MapCoord *brm )
{
VikCoord ul; VikCoord br;
- GdkPixbuf *pixbuf;
+ GdkPixbuf *pixbuf = NULL;
map_utils_iTMS_to_vikcoord (ulm, &ul);
map_utils_iTMS_to_vikcoord (brm, &br);
pixbuf = a_mapcache_get ( ulm->x, ulm->y, ulm->z, MAP_ID_MAPNIK_RENDER, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml );
if ( ! pixbuf ) {
- pixbuf = mapnik_interface_render ( vml->mi, ul.north_south, ul.east_west, br.north_south, br.east_west );
- if ( pixbuf ) {
- // NB Mapnik can apply alpha, but use our own function for now
- if ( vml->alpha < 255 )
- pixbuf = ui_pixbuf_set_alpha ( pixbuf, vml->alpha );
- a_mapcache_add ( pixbuf, ulm->x, ulm->y, ulm->z, MAPNIK_LAYER_MAP_TYPE, ulm->scale, vml->alpha, 0.0, 0.0, vml->filename_xml );
+ gboolean rerender = FALSE;
+ if ( vml->use_file_cache && vml->file_cache_dir )
+ pixbuf = load_pixbuf ( vml, ulm, brm, &rerender );
+ if ( ! pixbuf || rerender ) {
+ if ( TRUE )
+ thread_add (vml, ulm, &ul, &br, ulm->x, ulm->y, ulm->z, ulm->scale, vml->filename_xml );
+ else {
+ // Run in the foreground
+ render ( vml, &ul, &br, ulm );
+ vik_layer_emit_update ( VIK_LAYER(vml) );
+ }
}
}
return;
}
+ if ( vml->mi ) {
+ gchar *copyright = mapnik_interface_get_copyright ( vml->mi );
+ if ( copyright ) {
+ vik_viewport_add_copyright ( vvp, copyright );
+ }
+ }
+
VikCoord ul, br;
ul.mode = VIK_COORD_LATLON;
br.mode = VIK_COORD_LATLON;
// Split rendering into a grid for the current viewport
// thus each individual 'tile' can then be stored in the map cache
- // TODO: Also potentially allows using multi threads for each individual tile
- // this is more important for complicated stylesheets/datasources as each rendering may take some time
for (gint x = xmin; x <= xmax; x++ ) {
for (gint y = ymin; y <= ymax; y++ ) {
ulm.x = x;
map_utils_iTMS_to_vikcoord ( &ulm, &coord );
vik_viewport_coord_to_screen ( vvp, &coord, &xx, &yy );
vik_viewport_draw_pixbuf ( vvp, pixbuf, 0, 0, xx, yy, vml->tile_size_x, vml->tile_size_x );
+ g_object_unref(pixbuf);
}
}
}
a_mapcache_flush_type ( MAP_ID_MAPNIK_RENDER );
}
+/**
+ *
+ */
+static void mapnik_layer_reload ( menu_array_values values )
+{
+ VikMapnikLayer *vml = values[MA_VML];
+ VikViewport *vvp = values[MA_VVP];
+ mapnik_layer_post_read (VIK_LAYER(vml), vvp, FALSE);
+ mapnik_layer_draw ( vml, vvp );
+}
+
+/**
+ * Force carto run
+ *
+ * Most carto projects will consist of many files
+ * ATM don't have a way of detecting when any of the included files have changed
+ * Thus allow a manual method to force re-running carto
+ */
+static void mapnik_layer_carto ( menu_array_values values )
+{
+ VikMapnikLayer *vml = values[MA_VML];
+ VikViewport *vvp = values[MA_VVP];
+
+ // Don't load the XML config if carto load fails
+ if ( !carto_load ( vml, vvp ) )
+ return;
+
+ gchar* ans = mapnik_interface_load_map_file ( vml->mi, vml->filename_xml, vml->tile_size_x, vml->tile_size_x );
+ if ( ans ) {
+ a_dialog_error_msg_extra ( VIK_GTK_WINDOW_FROM_WIDGET(vvp),
+ _("Mapnik error loading configuration file:\n%s"),
+ ans );
+ g_free ( ans );
+ }
+ else
+ mapnik_layer_draw ( vml, vvp );
+}
+
+/**
+ * Show Mapnik configuration parameters
+ */
+static void mapnik_layer_information ( menu_array_values values )
+{
+ VikMapnikLayer *vml = values[MA_VML];
+ if ( !vml->mi )
+ return;
+ GArray *array = mapnik_interface_get_parameters( vml->mi );
+ if ( array->len ) {
+ a_dialog_list ( VIK_GTK_WINDOW_FROM_LAYER(vml), _("Mapnik Information"), array, 1 );
+ // Free the copied strings
+ for ( int i = 0; i < array->len; i++ )
+ g_free ( g_array_index(array,gchar*,i) );
+ }
+ g_array_free ( array, FALSE );
+}
+
+/**
+ *
+ */
+static void mapnik_layer_about ( menu_array_values values )
+{
+ VikMapnikLayer *vml = values[MA_VML];
+ gchar *msg = mapnik_interface_about();
+ a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_LAYER(vml), msg );
+ g_free ( msg );
+}
+
/**
*
*/
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_show ( item );
}
+
+ item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_REFRESH, NULL );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_reload), values );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+
+ if ( g_strcmp0 ("", vml->filename_css) ) {
+ item = gtk_image_menu_item_new_with_mnemonic ( _("_Run Carto Command") );
+ gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_EXECUTE, GTK_ICON_SIZE_MENU) );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_carto), values );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+ }
+
+ item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_INFO, NULL );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_information), values );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+
+ item = gtk_image_menu_item_new_from_stock ( GTK_STOCK_ABOUT, NULL );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_about), values );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+}
+
+/**
+ * Rerender a specific tile
+ */
+static void mapnik_layer_rerender ( VikMapnikLayer *vml )
+{
+ MapCoord ulm;
+ // Requested position to map coord
+ map_utils_vikcoord_to_iTMS ( &vml->rerender_ul, vml->rerender_zoom, vml->rerender_zoom, &ulm );
+ // Reconvert back - thus getting the coordinate at the tile *ul corner*
+ map_utils_iTMS_to_vikcoord (&ulm, &vml->rerender_ul );
+ // Bottom right bound is simply +1 in TMS coords
+ MapCoord brm = ulm;
+ brm.x = brm.x+1;
+ brm.y = brm.y+1;
+ map_utils_iTMS_to_vikcoord (&brm, &vml->rerender_br );
+ thread_add (vml, &ulm, &vml->rerender_ul, &vml->rerender_br, ulm.x, ulm.y, ulm.z, ulm.scale, vml->filename_xml );
+}
+
+/**
+ * Info
+ */
+static void mapnik_layer_tile_info ( VikMapnikLayer *vml )
+{
+ MapCoord ulm;
+ // Requested position to map coord
+ map_utils_vikcoord_to_iTMS ( &vml->rerender_ul, vml->rerender_zoom, vml->rerender_zoom, &ulm );
+
+ mapcache_extra_t extra = a_mapcache_get_extra ( ulm.x, ulm.y, ulm.z, MAP_ID_MAPNIK_RENDER, ulm.scale, vml->alpha, 0.0, 0.0, vml->filename_xml );
+
+ gchar *filename = get_filename ( vml->file_cache_dir, ulm.x, ulm.y, ulm.scale );
+ gchar *filemsg = NULL;
+ gchar *timemsg = NULL;
+
+ if ( g_file_test ( filename, G_FILE_TEST_EXISTS ) ) {
+ filemsg = g_strconcat ( "Tile File: ", filename, NULL );
+ // Get some timestamp information of the tile
+ struct stat stat_buf;
+ if ( g_stat ( filename, &stat_buf ) == 0 ) {
+ gchar time_buf[64];
+ strftime ( time_buf, sizeof(time_buf), "%c", gmtime((const time_t *)&stat_buf.st_mtime) );
+ timemsg = g_strdup_printf ( _("Tile File Timestamp: %s"), time_buf );
+ }
+ else {
+ timemsg = g_strdup ( _("Tile File Timestamp: Not Available") );
+ }
+ }
+ else {
+ filemsg = g_strdup_printf ( "Tile File: %s [Not Available]", filename );
+ timemsg = g_strdup("");
+ }
+
+ GArray *array = g_array_new (FALSE, TRUE, sizeof(gchar*));
+ g_array_append_val ( array, filemsg );
+ g_array_append_val ( array, timemsg );
+
+ gchar *rendmsg = NULL;
+ // Show the info
+ if ( extra.duration > 0.0 ) {
+ rendmsg = g_strdup_printf ( _("Rendering time %.2f seconds"), extra.duration );
+ g_array_append_val ( array, rendmsg );
+ }
+
+ a_dialog_list ( VIK_GTK_WINDOW_FROM_LAYER(vml), _("Tile Information"), array, 5 );
+ g_array_free ( array, FALSE );
+
+ g_free ( rendmsg );
+ g_free ( timemsg );
+ g_free ( filemsg );
+ g_free ( filename );
+}
+
+static gboolean mapnik_feature_release ( VikMapnikLayer *vml, GdkEventButton *event, VikViewport *vvp )
+{
+ if ( !vml )
+ return FALSE;
+ if ( event->button == 3 ) {
+ vik_viewport_screen_to_coord ( vvp, MAX(0, event->x), MAX(0, event->y), &vml->rerender_ul );
+ vml->rerender_zoom = vik_viewport_get_zoom ( vvp );
+
+ if ( ! vml->right_click_menu ) {
+ GtkWidget *item;
+ vml->right_click_menu = gtk_menu_new ();
+
+ item = gtk_image_menu_item_new_with_mnemonic ( _("_Rerender Tile") );
+ gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_REFRESH, GTK_ICON_SIZE_MENU) );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_rerender), vml );
+ gtk_menu_shell_append ( GTK_MENU_SHELL(vml->right_click_menu), item );
+
+ item = gtk_image_menu_item_new_with_mnemonic ( _("_Info") );
+ gtk_image_menu_item_set_image ( (GtkImageMenuItem*)item, gtk_image_new_from_stock (GTK_STOCK_INFO, GTK_ICON_SIZE_MENU) );
+ g_signal_connect_swapped ( G_OBJECT(item), "activate", G_CALLBACK(mapnik_layer_tile_info), vml );
+ gtk_menu_shell_append ( GTK_MENU_SHELL(vml->right_click_menu), item );
+ }
+
+ gtk_menu_popup ( GTK_MENU(vml->right_click_menu), NULL, NULL, NULL, NULL, event->button, event->time );
+ gtk_widget_show_all ( GTK_WIDGET(vml->right_click_menu) );
+ }
+
+ return FALSE;
}