Mercurial > hg > orthanc-stone
diff Framework/Scene2D/PointerEvent.cpp @ 596:b716763571ad
IPointerTracker
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 26 Apr 2019 17:05:14 +0200 |
parents | |
children | 7efa2543699d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Scene2D/PointerEvent.cpp Fri Apr 26 17:05:14 2019 +0200 @@ -0,0 +1,69 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 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/>. + **/ + + +#include "PointerEvent.h" + +#include <Core/OrthancException.h> + +namespace OrthancStone +{ + PointerEvent::PointerEvent() : + hasAltModifier_(false), + hasControlModifier_(false), + hasShiftModifier_(false) + { + } + + + ScenePoint2D PointerEvent::GetMainPosition() const + { + if (positions_.empty()) + { + return ScenePoint2D(0, 0); + } + else + { + return positions_[0]; + } + } + + + // Add the center of the pixel + void PointerEvent::AddIntegerPosition(int x, + int y) + { + AddPosition(static_cast<double>(x) + 0.5, + static_cast<double>(y) + 0.5); + } + + + ScenePoint2D PointerEvent::GetPosition(size_t index) const + { + if (index < positions_.size()) + { + return positions_[index]; + } + else + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); + } + } +}