Mercurial > hg > orthanc-stone
diff Framework/Deprecated/Radiography/RadiographyWindowingTracker.cpp @ 1398:c5403d52078c
moved Radiography into Deprecated
author | Alain Mazy <alain@mazy.be> |
---|---|
date | Wed, 29 Apr 2020 20:43:09 +0200 |
parents | Framework/Radiography/RadiographyWindowingTracker.cpp@2d8ab34c8c91 |
children | 30deba7bc8e2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Deprecated/Radiography/RadiographyWindowingTracker.cpp Wed Apr 29 20:43:09 2020 +0200 @@ -0,0 +1,192 @@ +/** + * 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/>. + **/ + + +#include "RadiographyWindowingTracker.h" +#include "RadiographyWidget.h" + +#include <Core/OrthancException.h> + + +namespace OrthancStone +{ + class RadiographyWindowingTracker::UndoRedoCommand : public UndoRedoStack::ICommand + { + private: + RadiographyScene& scene_; + float sourceCenter_; + float sourceWidth_; + float targetCenter_; + float targetWidth_; + + public: + UndoRedoCommand(const RadiographyWindowingTracker& tracker) : + scene_(tracker.scene_), + sourceCenter_(tracker.sourceCenter_), + sourceWidth_(tracker.sourceWidth_) + { + scene_.GetWindowingWithDefault(targetCenter_, targetWidth_); + } + + virtual void Undo() const + { + scene_.SetWindowing(sourceCenter_, sourceWidth_); + } + + virtual void Redo() const + { + scene_.SetWindowing(targetCenter_, targetWidth_); + } + }; + + + void RadiographyWindowingTracker::ComputeAxisEffect(int& deltaCenter, + int& deltaWidth, + int delta, + Action actionNegative, + Action actionPositive) + { + if (delta < 0) + { + switch (actionNegative) + { + case Action_IncreaseWidth: + deltaWidth = -delta; + break; + + case Action_DecreaseWidth: + deltaWidth = delta; + break; + + case Action_IncreaseCenter: + deltaCenter = -delta; + break; + + case Action_DecreaseCenter: + deltaCenter = delta; + break; + + default: + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + } + else if (delta > 0) + { + switch (actionPositive) + { + case Action_IncreaseWidth: + deltaWidth = delta; + break; + + case Action_DecreaseWidth: + deltaWidth = -delta; + break; + + case Action_IncreaseCenter: + deltaCenter = delta; + break; + + case Action_DecreaseCenter: + deltaCenter = -delta; + break; + + default: + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + } + } + + + RadiographyWindowingTracker::RadiographyWindowingTracker(UndoRedoStack& undoRedoStack, + RadiographyScene& scene, + RadiographyWidget& widget, + ImageInterpolation interpolationDuringTracking, + int x, + int y, + Action leftAction, + Action rightAction, + Action upAction, + Action downAction) : + undoRedoStack_(undoRedoStack), + scene_(scene), + widget_(widget), + initialWidgetInterpolation_(widget.GetInterpolation()), + clickX_(x), + clickY_(y), + leftAction_(leftAction), + rightAction_(rightAction), + upAction_(upAction), + downAction_(downAction) + { + scene_.GetWindowingWithDefault(sourceCenter_, sourceWidth_); + widget_.SetInterpolation(interpolationDuringTracking); + + float minValue, maxValue; + scene.GetRange(minValue, maxValue); + + assert(minValue <= maxValue); + + float delta = (maxValue - minValue); + strength_ = delta / 1000.0f; // 1px move will change the ww/wc by 0.1% + + if (strength_ < 1) + { + strength_ = 1; + } + } + + + void RadiographyWindowingTracker::Render(CairoContext& context, + double zoom) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + + + void RadiographyWindowingTracker::MouseUp() + { + widget_.SetInterpolation(initialWidgetInterpolation_); + undoRedoStack_.Add(new UndoRedoCommand(*this)); + } + + + void RadiographyWindowingTracker::MouseMove(int displayX, + int displayY, + double sceneX, + double sceneY, + const std::vector<Deprecated::Touch>& displayTouches, + const std::vector<Deprecated::Touch>& sceneTouches) + { + // This follows the behavior of the Osimis Web viewer: + // https://bitbucket.org/osimis/osimis-webviewer-plugin/src/master/frontend/src/app/viewport/image-plugins/windowing-viewport-tool.class.js + + static const float SCALE = 1.0; + + int deltaCenter = 0; + int deltaWidth = 0; + + ComputeAxisEffect(deltaCenter, deltaWidth, displayX - clickX_, leftAction_, rightAction_); + ComputeAxisEffect(deltaCenter, deltaWidth, displayY - clickY_, upAction_, downAction_); + + float newCenter = sourceCenter_ + (deltaCenter / SCALE * strength_); + float newWidth = sourceWidth_ + (deltaWidth / SCALE * strength_); + scene_.SetWindowing(newCenter, newWidth); + } +}