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bitmask: Optimize intersect

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The functions was written in a way that would possibly
resize the mask twice, which is not necessary.
This commit is contained in:
Matthias Clasen 2015-09-10 18:46:58 -04:00
parent 3a503b7ba1
commit 0957ba5220
1 changed files with 5 additions and 2 deletions
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7
gtk/gtkallocatedbitmask.c
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@ -174,11 +174,14 @@ _gtk_allocated_bitmask_intersect (GtkBitmask *mask,
mask = gtk_bitmask_ensure_allocated (mask);
ENSURE_ALLOCATED (other, other_allocated);
mask = gtk_allocated_bitmask_resize (mask, MIN (mask->len, other->len));
for (i = 0; i < mask->len; i++)
for (i = 0; i < MIN (mask->len, other->len); i++)
{
mask->data[i] &= other->data[i];
}
for (; i < mask->len; i++)
{
mask->data[i] = 0;
}
return gtk_allocated_bitmask_shrink (mask);
}