From: Kaj-Michael Lang <milang@tal.org>
Date: Fri, 11 Apr 2008 10:23:54 +0000 (+0300)
Subject: Use the generic image cache system for POI icons
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e17cc9d4a181dfd410e431fd31f4805f61a0bfee;p=mapper

Use the generic image cache system for POI icons
---

diff --git a/src/poi.c b/src/poi.c
index 5661121..1a1b02f 100644
--- a/src/poi.c
+++ b/src/poi.c
@@ -27,6 +27,7 @@
 #include "osm.h"
 #include "osm-db.h"
 #include "latlon.h"
+#include "image-cache.h"
 
 static sqlite3 *poidb;
 
@@ -34,8 +35,7 @@ static sqlite3 *poidb;
 static gchar *theme="square";
 static gchar *theme_base=DATADIR "/icons/map-icons";
 
-/* Hash table for caching POI icons */
-static GHashTable *poi_icon_hash = NULL;
+static ImageCache *poi_ic=NULL;
 
 struct _poi_categories {
 	node_type_t type;
@@ -362,19 +362,15 @@ poi_db_prepare(sqlite3 *db)
 void
 poi_icon_hash_clear(void)
 {
-#if (GLIB_CHECK_VERSION (2, 12, 0))
-g_hash_table_remove_all(poi_icon_hash);
-#else
-g_hash_table_foreach_remove(poi_icon_hash, gtk_true, NULL);
-#endif
+image_cache_clear(poi_ic);
 }
 
 void
 poi_deinit(sqlite3 *db)
 {
-if (poi_icon_hash) {
-	g_hash_table_destroy(poi_icon_hash);
-	poi_icon_hash=NULL;
+if (poi_ic) {
+	image_cache_free(poi_ic);
+	poi_ic=NULL;
 }
 
 sqlite3_finalize(poisql.select_quick_cat);
@@ -397,12 +393,12 @@ sqlite3_finalize(poisql.select_poi_search_cat);
 gboolean
 poi_init(sqlite3 **db)
 {
-if (!poi_icon_hash)
-	poi_icon_hash=g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
-
 if (!db || !*db)
 	return FALSE;
 
+if (!poi_ic)
+	poi_ic=image_cache_new(128);
+
 poidb=*db;
 poi_db_create(poidb);
 if (poi_db_prepare(poidb)==FALSE) {
@@ -707,7 +703,7 @@ return TRUE;
 gboolean
 poi_get_list_inside(gdouble lat1, gdouble lon1, gdouble lat2, gdouble lon2, GtkListStore **store, guint *num_poi)
 {
-static active=FALSE;
+static gboolean active=FALSE;
 GtkTreeIter iter;
 gchar tmp1[16], tmp2[16];
 
@@ -903,13 +899,10 @@ return NULL;
 }
 
 GdkPixbuf *
-poi_get_icon(gchar *icon, gboolean big)
+poi_get_icon(const gchar *icon, gboolean big)
 {
-static guint hit=0;
-static guint miss=0;
-gchar buffer[256];
-GdkPixbuf *pixbuf;
-GError *error = NULL;
+gchar buffer[128];
+gchar key[32];
 
 if (icon==NULL)
 	return NULL;
@@ -917,23 +910,10 @@ if (icon==NULL)
 if (strlen(icon)==0)
 	return NULL;
 
-g_snprintf(buffer, sizeof(buffer), "%s/%s.%s/%s.png", 
-	theme_base, theme, (big==TRUE) ? "big" : "small", icon);
-
-pixbuf=g_hash_table_lookup(poi_icon_hash, buffer);
-if (pixbuf) {
-	hit++;
-	return pixbuf;
-}
-miss++;
-
-pixbuf=gdk_pixbuf_new_from_file(buffer, &error);
-
-if (error)
-	return NULL;
+g_snprintf(buffer, sizeof(buffer), "%s/%s.%s/%s.png", theme_base, theme, (big==TRUE) ? "big" : "small", icon);
+g_snprintf(key, sizeof(key), "%s:%s:%s", theme, (big==TRUE) ? "big" : "small", icon);
 
-g_hash_table_insert(poi_icon_hash, g_strdup(buffer), pixbuf);
-return pixbuf;
+return image_cache_get(poi_ic, key, buffer);
 }
 
 GtkListStore *