Mercurial > hg > orthanc-stone
diff Framework/Deprecated/Widgets/WorldSceneWidget.cpp @ 732:c35e98d22764
move Deprecated classes to a separate folder
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 21 May 2019 14:27:35 +0200 |
parents | Framework/Widgets/WorldSceneWidget.cpp@4f2416d519b4 |
children | f8bff27f1314 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Deprecated/Widgets/WorldSceneWidget.cpp Tue May 21 14:27:35 2019 +0200 @@ -0,0 +1,231 @@ +/** + * 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 "WorldSceneWidget.h" + +#include "PanMouseTracker.h" +#include "ZoomMouseTracker.h" +#include "PanZoomMouseTracker.h" + +#include <Core/Logging.h> +#include <Core/OrthancException.h> + +#include <math.h> +#include <memory> +#include <cassert> + +namespace Deprecated +{ + // this is an adapter between a IWorldSceneMouseTracker + // that is tracking a mouse in scene coordinates/mm and + // an IMouseTracker that is tracking a mouse + // in screen coordinates/pixels. + class WorldSceneWidget::SceneMouseTracker : public IMouseTracker + { + private: + ViewportGeometry view_; + std::auto_ptr<IWorldSceneMouseTracker> tracker_; + + public: + SceneMouseTracker(const ViewportGeometry& view, + IWorldSceneMouseTracker* tracker) : + view_(view), + tracker_(tracker) + { + if (tracker == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + } + + virtual void Render(Orthanc::ImageAccessor& target) + { + if (tracker_->HasRender()) + { + OrthancStone::CairoSurface surface(target, false /* no alpha */); + OrthancStone::CairoContext context(surface); + view_.ApplyTransform(context); + tracker_->Render(context, view_.GetZoom()); + } + } + + virtual void MouseUp() + { + tracker_->MouseUp(); + } + + virtual void MouseMove(int x, + int y, + const std::vector<Touch>& displayTouches) + { + double sceneX, sceneY; + view_.MapPixelCenterToScene(sceneX, sceneY, x, y); + + std::vector<Touch> sceneTouches; + for (size_t t = 0; t < displayTouches.size(); t++) + { + double sx, sy; + + view_.MapPixelCenterToScene( + sx, sy, (int)displayTouches[t].x, (int)displayTouches[t].y); + + sceneTouches.push_back( + Touch(static_cast<float>(sx), static_cast<float>(sy))); + } + tracker_->MouseMove(x, y, sceneX, sceneY, displayTouches, sceneTouches); + } + }; + + + bool WorldSceneWidget::RenderCairo(OrthancStone::CairoContext& context) + { + view_.ApplyTransform(context); + return RenderScene(context, view_); + } + + + void WorldSceneWidget::RenderMouseOverCairo(OrthancStone::CairoContext& context, + int x, + int y) + { + ViewportGeometry view = GetView(); + view.ApplyTransform(context); + + double sceneX, sceneY; + view.MapPixelCenterToScene(sceneX, sceneY, x, y); + + if (interactor_) + { + interactor_->MouseOver(context, *this, view, sceneX, sceneY, GetStatusBar()); + } + } + + + void WorldSceneWidget::SetSceneExtent(ViewportGeometry& view) + { + view.SetSceneExtent(GetSceneExtent()); + } + + + void WorldSceneWidget::SetSize(unsigned int width, + unsigned int height) + { + CairoWidget::SetSize(width, height); + view_.SetDisplaySize(width, height); + } + + + void WorldSceneWidget::SetInteractor(IWorldSceneInteractor& interactor) + { + interactor_ = &interactor; + } + + + void WorldSceneWidget::FitContent() + { + SetSceneExtent(view_); + view_.FitContent(); + + NotifyContentChanged(); + } + + + void WorldSceneWidget::SetView(const ViewportGeometry& view) + { + view_ = view; + + NotifyContentChanged(); + } + + + IMouseTracker* WorldSceneWidget::CreateMouseTracker(OrthancStone::MouseButton button, + int x, + int y, + OrthancStone::KeyboardModifiers modifiers, + const std::vector<Touch>& touches) + { + double sceneX, sceneY; + view_.MapPixelCenterToScene(sceneX, sceneY, x, y); + + // asks the Widget Interactor to provide a mouse tracker + std::auto_ptr<IWorldSceneMouseTracker> tracker; + + if (interactor_) + { + tracker.reset(interactor_->CreateMouseTracker(*this, view_, button, modifiers, x, y, sceneX, sceneY, GetStatusBar(), touches)); + } + + if (tracker.get() != NULL) + { + return new SceneMouseTracker(view_, tracker.release()); + } + else if (hasDefaultMouseEvents_) + { + printf("has default mouse events\n"); + if (touches.size() == 2) + { + printf("2 touches !\n"); + return new SceneMouseTracker(view_, new PanZoomMouseTracker(*this, touches)); + } + else + { + switch (button) + { + case OrthancStone::MouseButton_Middle: + return new SceneMouseTracker(view_, new PanMouseTracker(*this, x, y)); + + case OrthancStone::MouseButton_Right: + return new SceneMouseTracker(view_, new ZoomMouseTracker(*this, x, y)); + + default: + return NULL; + } + } + } + else + { + return NULL; + } + } + + + void WorldSceneWidget::MouseWheel(OrthancStone::MouseWheelDirection direction, + int x, + int y, + OrthancStone::KeyboardModifiers modifiers) + { + if (interactor_) + { + interactor_->MouseWheel(*this, direction, modifiers, GetStatusBar()); + } + } + + + void WorldSceneWidget::KeyPressed(OrthancStone::KeyboardKeys key, + char keyChar, + OrthancStone::KeyboardModifiers modifiers) + { + if (interactor_) + { + interactor_->KeyPressed(*this, key, keyChar, modifiers, GetStatusBar()); + } + } +}