css: Start array allocation with a better size

All computed values will compute all normal properties at least, so
we might as well allocate these upfront, which leads to a lot less
reallocations.

diff --git a/gtk/gtkcsscomputedvalues.c b/gtk/gtkcsscomputedvalues.c
index f5f515a4a8c52e086d36a7221875fe6a22d4c00c..dea23bdf5e3ef50da9a0e2b4c63945bd034e415c 100644 (file)
--- a/gtk/gtkcsscomputedvalues.c
+++ b/gtk/gtkcsscomputedvalues.c
@@ -179,7 +179,8 @@ _gtk_css_computed_values_set_value (GtkCssComputedValues *values,
   gtk_internal_return_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values));
 
   if (values->values == NULL)
-    values->values = g_ptr_array_new_with_free_func ((GDestroyNotify)_gtk_css_value_unref);
+    values->values = g_ptr_array_new_full (_gtk_css_style_property_get_n_properties (),
+                                          (GDestroyNotify)_gtk_css_value_unref);
   if (id >= values->values->len)
    g_ptr_array_set_size (values->values, id + 1);