Re: Icon scaling



Soeren Sandmann <sandmann daimi au dk> writes:

> If you are interested in the "first see if the regular non-forced icon
> works" feature, here it is.

This one may even work.

Søren

Index: nautilus-icon-factory.c
===================================================================
RCS file: /cvs/gnome/nautilus/libnautilus-private/nautilus-icon-factory.c,v
retrieving revision 1.303
diff -u -p -u -r1.303 nautilus-icon-factory.c
--- nautilus-icon-factory.c	31 Mar 2004 09:24:55 -0000	1.303
+++ nautilus-icon-factory.c	31 Mar 2004 10:30:17 -0000
@@ -453,13 +453,15 @@ cache_icon_new (GdkPixbuf *pixbuf,
 	return icon;
 }
 
-static  void
+static CacheIcon *
 cache_icon_ref (CacheIcon *icon)
 {
 	g_assert (icon != NULL);
 	g_assert (icon->ref_count >= 1);
 
 	icon->ref_count++;
+
+	return icon;
 }
 
 static void
@@ -1261,6 +1263,7 @@ get_icon_from_cache (const char *icon,
 	CacheIcon *cached_icon;
 	gpointer key_in_table, value;
 	struct stat statbuf;
+	gint width, height;
 	
 	g_return_val_if_fail (icon != NULL, NULL);
 
@@ -1283,6 +1286,38 @@ get_icon_from_cache (const char *icon,
 		g_assert (value != NULL);
 		key = key_in_table;
 		cached_icon = value;
+	} else if (force_nominal) {
+		/* Not in table, but force_nominal was specified and an existing icon
+		 * might be close enough
+		 */
+		lookup_key.force_nominal = FALSE;
+
+		if (g_hash_table_lookup_extended (hash_table, &lookup_key,
+						  &key_in_table, &value)) {
+			g_assert (key_in_table != NULL);
+			g_assert (value != NULL);
+
+			key = key_in_table;
+			cached_icon = value;
+			
+			width = gdk_pixbuf_get_width (cached_icon->pixbuf);
+			height = gdk_pixbuf_get_height (cached_icon->pixbuf);
+
+			if (MAX (width, height) < nominal_size) {
+				/* Existing icon is good enough, so register it
+				 * as force_nominal
+				 */
+				lookup_key.force_nominal = TRUE;
+
+				g_assert (g_hash_table_lookup (hash_table, &lookup_key) == NULL);
+				
+				g_hash_table_insert (hash_table, &lookup_key,
+						     cache_icon_ref (cached_icon));
+			} else {
+				key = NULL;
+				cached_icon = NULL;
+			}
+		}
 	}
 
 	/* Make sure that thumbnails and image-as-itself icons gets


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