On 10/10/2010 00:22, David Gowers (kampu) wrote:
On Sun, Oct 10, 2010 at 7:47 AM, Ofnuts <ofnuts@xxxxxxxxxxx> wrote:Assume I have a selection on small area (for instance a 20px circle), and I invert it. Now, if I grow the selection by a sufficient amount (10px in this case), everything gets selected. Is there a practical, fast way, to detect this case, i.e, that the selection covers the whole layer (or image?) and that no pixels remain unselected? I assume that inverting the selection again and testing for empty would work, but that would be two selection inversions in the normal case and that may be a bit costly.Testing for empty and for full are the same operation (an empty sel is equivalent to a full one) HTH There are indeed many tools that behave the same way if the selection is empty of complete, but gimp_selection_is_empty() return False when the selection is complete, alas. -- Bertrand |
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