Mercurial > hg > orthanc-stone
diff Framework/Scene2D/NullLayer.h @ 1324:4d8d642f7036 broker
Added a NullLayer scene layer type that allows
"booking" a scene depth entry.
author | Benjamin Golinvaux <bgo@osimis.io> |
---|---|
date | Tue, 24 Mar 2020 16:24:26 +0100 |
parents | |
children | 30deba7bc8e2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Scene2D/NullLayer.h Tue Mar 24 16:24:26 2020 +0100 @@ -0,0 +1,62 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + +#pragma once + +#include "ISceneLayer.h" + +#include <Core/Enumerations.h> + +#include <stdint.h> + +/** + This layer can be used when a z-index needs to be booked inside a Scene2D. + + It can later be replaced by the actual layer. +*/ +namespace OrthancStone +{ + class NullLayer : public ISceneLayer + { + public: + NullLayer() {} + + virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE + { + return new NullLayer(); + } + + virtual Type GetType() const ORTHANC_OVERRIDE + { + return Type_NullLayer; + } + + virtual bool GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE + { + target = Extent2D(); + return false; + } + + virtual uint64_t GetRevision() const ORTHANC_OVERRIDE + { + return 0; + } + }; +}