* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <gtk/gtk.h>
+#include <glib/gi18n.h>
#include <string.h>
+#include "globals.h"
#include "mapcache.h"
+#include "preferences.h"
#include "config.h"
static int queue_count = 0;
static guint32 queue_size = 0;
+static guint32 max_queue_size = VIK_CONFIG_MAPCACHE_SIZE * 1024 * 1024;
static GHashTable *cache = NULL;
#define HASHKEY_FORMAT_STRING "%d-%d-%d-%d-%d-%d-%.3f-%.3f"
#define HASHKEY_FORMAT_STRING_NOSHRINK_NOR_ALPHA "%d-%d-%d-%d-%d-"
+static VikLayerParamScale params_scales[] = {
+ /* min, max, step, digits (decimal places) */
+ { 1, 1024, 1, 0 },
+};
+
+static VikLayerParam prefs[] = {
+ { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_NAMESPACE "mapcache_size", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Map cache memory size (MB):"), VIK_LAYER_WIDGET_HSCALE, params_scales, NULL, NULL },
+};
+
void a_mapcache_init ()
{
+ VikLayerParamData tmp;
+ tmp.u = VIK_CONFIG_MAPCACHE_SIZE;
+ a_preferences_register(prefs, tmp, VIKING_PREFERENCES_GROUP_KEY);
+
mc_mutex = g_mutex_new();
cache = g_hash_table_new_full ( g_str_hash, g_str_equal, g_free, g_object_unref );
}
}
}
-void a_mapcache_add ( GdkPixbuf *pixbuf, gint x, gint y, gint z, guint8 type, guint zoom, guint8 alpha, gdouble xshrinkfactor, gdouble yshrinkfactor )
+void a_mapcache_add ( GdkPixbuf *pixbuf, gint x, gint y, gint z, guint16 type, guint zoom, guint8 alpha, gdouble xshrinkfactor, gdouble yshrinkfactor )
{
gchar *key = g_strdup_printf ( HASHKEY_FORMAT_STRING, x, y, z, type, zoom, alpha, xshrinkfactor, yshrinkfactor );
static int tmp = 0;
g_mutex_lock(mc_mutex);
cache_add(key, pixbuf);
- if ( queue_size > VIK_CONFIG_MAPCACHE_SIZE ) {
+ // TODO: that should be done on preference change only...
+ max_queue_size = a_preferences_get(VIKING_PREFERENCES_NAMESPACE "mapcache_size")->u * 1024 * 1024;
+
+ if ( queue_size > max_queue_size ) {
gchar *oldkey = list_shift_add_entry ( key );
cache_remove(oldkey);
- while ( queue_size > VIK_CONFIG_MAPCACHE_SIZE &&
+ while ( queue_size > max_queue_size &&
(queue_tail->next != queue_tail) ) { /* make sure there's more than one thing to delete */
oldkey = list_shift ();
cache_remove(oldkey);
}
g_mutex_unlock(mc_mutex);
- if ( (++tmp == 100 )) { g_print("DEBUG: queue count=%d %u\n", queue_count, queue_size ); tmp=0; }
+ if ( (++tmp == 100 )) { g_print("DEBUG: queue count=%d size=%u\n", queue_count, queue_size ); tmp=0; }
}
-GdkPixbuf *a_mapcache_get ( gint x, gint y, gint z, guint8 type, guint zoom, guint8 alpha, gdouble xshrinkfactor, gdouble yshrinkfactor )
+GdkPixbuf *a_mapcache_get ( gint x, gint y, gint z, guint16 type, guint zoom, guint8 alpha, gdouble xshrinkfactor, gdouble yshrinkfactor )
{
static char key[48];
g_snprintf ( key, sizeof(key), HASHKEY_FORMAT_STRING, x, y, z, type, zoom, alpha, xshrinkfactor, yshrinkfactor );
return g_hash_table_lookup ( cache, key );
}
-void a_mapcache_remove_all_shrinkfactors ( gint x, gint y, gint z, guint8 type, guint zoom )
+void a_mapcache_remove_all_shrinkfactors ( gint x, gint y, gint z, guint16 type, guint zoom )
{
char key[40];
List *loop = queue_tail;
g_mutex_unlock(mc_mutex);
}
+void a_mapcache_flush ()
+{
+ List *loop = queue_tail;
+ List *tmp;
+
+ if ( queue_tail == NULL )
+ return;
+
+ g_mutex_lock(mc_mutex);
+ do {
+ tmp = loop->next;
+ cache_remove(tmp->key);
+ if ( tmp == queue_tail ) /* we deleted the last thing in the queue */
+ loop = queue_tail = NULL;
+ else
+ loop->next = tmp->next;
+ g_free ( tmp );
+ tmp = NULL;
+ } while ( loop );
+
+ g_mutex_unlock(mc_mutex);
+}
+
void a_mapcache_uninit ()
{
g_hash_table_destroy ( cache );