Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Deprecated/Radiography/RadiographyLayerResizeTracker.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Deprecated/Radiography/RadiographyLayerResizeTracker.cpp@30deba7bc8e2 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Deprecated/Radiography/RadiographyLayerResizeTracker.cpp Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,188 @@ +/** + * 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 "RadiographyLayerResizeTracker.h" + +#include "RadiographySceneCommand.h" + +#include <OrthancException.h> + +#include <boost/math/special_functions/round.hpp> + + +namespace OrthancStone +{ + static double ComputeDistance(double x1, + double y1, + double x2, + double y2) + { + double dx = x1 - x2; + double dy = y1 - y2; + return sqrt(dx * dx + dy * dy); + } + + + class RadiographyLayerResizeTracker::UndoRedoCommand : public RadiographySceneCommand + { + private: + double sourceSpacingX_; + double sourceSpacingY_; + double sourcePanX_; + double sourcePanY_; + double targetSpacingX_; + double targetSpacingY_; + double targetPanX_; + double targetPanY_; + + protected: + virtual void UndoInternal(RadiographyLayer& layer) const + { + layer.SetPixelSpacing(sourceSpacingX_, sourceSpacingY_); + layer.SetPan(sourcePanX_, sourcePanY_); + } + + virtual void RedoInternal(RadiographyLayer& layer) const + { + layer.SetPixelSpacing(targetSpacingX_, targetSpacingY_); + layer.SetPan(targetPanX_, targetPanY_); + } + + public: + UndoRedoCommand(const RadiographyLayerResizeTracker& tracker) : + RadiographySceneCommand(tracker.accessor_), + sourceSpacingX_(tracker.originalSpacingX_), + sourceSpacingY_(tracker.originalSpacingY_), + sourcePanX_(tracker.originalPanX_), + sourcePanY_(tracker.originalPanY_), + targetSpacingX_(tracker.accessor_.GetLayer().GetGeometry().GetPixelSpacingX()), + targetSpacingY_(tracker.accessor_.GetLayer().GetGeometry().GetPixelSpacingY()), + targetPanX_(tracker.accessor_.GetLayer().GetGeometry().GetPanX()), + targetPanY_(tracker.accessor_.GetLayer().GetGeometry().GetPanY()) + { + } + }; + + + RadiographyLayerResizeTracker::RadiographyLayerResizeTracker(UndoRedoStack& undoRedoStack, + RadiographyScene& scene, + size_t layer, + const ControlPoint& startControlPoint, + bool roundScaling) : + undoRedoStack_(undoRedoStack), + accessor_(scene, layer), + roundScaling_(roundScaling) + { + if (accessor_.IsValid() && + accessor_.GetLayer().GetGeometry().IsResizeable()) + { + originalSpacingX_ = accessor_.GetLayer().GetGeometry().GetPixelSpacingX(); + originalSpacingY_ = accessor_.GetLayer().GetGeometry().GetPixelSpacingY(); + originalPanX_ = accessor_.GetLayer().GetGeometry().GetPanX(); + originalPanY_ = accessor_.GetLayer().GetGeometry().GetPanY(); + + size_t oppositeControlPointType; + switch (startControlPoint.index) + { + case RadiographyControlPointType_TopLeftCorner: + oppositeControlPointType = RadiographyControlPointType_BottomRightCorner; + break; + + case RadiographyControlPointType_TopRightCorner: + oppositeControlPointType = RadiographyControlPointType_BottomLeftCorner; + break; + + case RadiographyControlPointType_BottomLeftCorner: + oppositeControlPointType = RadiographyControlPointType_TopRightCorner; + break; + + case RadiographyControlPointType_BottomRightCorner: + oppositeControlPointType = RadiographyControlPointType_TopLeftCorner; + break; + + default: + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + + accessor_.GetLayer().GetControlPoint(startOppositeControlPoint_, oppositeControlPointType); + + double d = ComputeDistance(startControlPoint.x, startControlPoint.y, startOppositeControlPoint_.x, startOppositeControlPoint_.y); + if (d >= std::numeric_limits<float>::epsilon()) + { + baseScaling_ = 1.0 / d; + } + else + { + // Avoid division by zero in extreme cases + accessor_.Invalidate(); + } + } + } + + + void RadiographyLayerResizeTracker::Render(CairoContext& context, + double zoom) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); + } + + + void RadiographyLayerResizeTracker::MouseUp() + { + if (accessor_.IsValid() && + accessor_.GetLayer().GetGeometry().IsResizeable()) + { + undoRedoStack_.Add(new UndoRedoCommand(*this)); + } + } + + + void RadiographyLayerResizeTracker::MouseMove(int displayX, + int displayY, + double sceneX, + double sceneY, + const std::vector<Deprecated::Touch>& displayTouches, + const std::vector<Deprecated::Touch>& sceneTouches) + { + static const double ROUND_SCALING = 0.1; + + if (accessor_.IsValid() && + accessor_.GetLayer().GetGeometry().IsResizeable()) + { + double scaling = ComputeDistance(startOppositeControlPoint_.x, startOppositeControlPoint_.y, sceneX, sceneY) * baseScaling_; + + if (roundScaling_) + { + scaling = boost::math::round<double>((scaling / ROUND_SCALING) * ROUND_SCALING); + } + + RadiographyLayer& layer = accessor_.GetLayer(); + layer.SetPixelSpacing(scaling * originalSpacingX_, + scaling * originalSpacingY_); + + // Keep the opposite corner at a fixed location + ControlPoint currentOppositeCorner; + layer.GetControlPoint(currentOppositeCorner, startOppositeControlPoint_.index); + layer.SetPan(layer.GetGeometry().GetPanX() + startOppositeControlPoint_.x - currentOppositeCorner.x, + layer.GetGeometry().GetPanY() + startOppositeControlPoint_.y - currentOppositeCorner.y); + } + } +}