Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Scene2DViewport/LayerHolder.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2DViewport/LayerHolder.cpp@ab81ee8fce1f |
children | 314b6dc507d9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Scene2DViewport/LayerHolder.cpp Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,149 @@ +/** + * 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 "LayerHolder.h" +#include "../Scene2D/TextSceneLayer.h" +#include "../Scene2D/PolylineSceneLayer.h" +#include "../Scene2D/Scene2D.h" +#include "../Viewport/IViewport.h" +#include "../StoneException.h" + +namespace OrthancStone +{ + LayerHolder::LayerHolder( + boost::shared_ptr<IViewport> viewport, + int polylineLayerCount, + int textLayerCount, + int infoTextCount) + : textLayerCount_(textLayerCount) + , polylineLayerCount_(polylineLayerCount) + , infoTextCount_(infoTextCount) + , viewport_(viewport) + , baseLayerIndex_(-1) + { + + } + + void LayerHolder::CreateLayers() + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + ViewportController& controller = lock->GetController(); + Scene2D& scene = controller.GetScene(); + + assert(baseLayerIndex_ == -1); + + baseLayerIndex_ = scene.GetMaxDepth() + 100; + + for (int i = 0; i < polylineLayerCount_; ++i) + { + std::unique_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer()); + scene.SetLayer(baseLayerIndex_ + i, layer.release()); + } + + for (int i = 0; i < textLayerCount_; ++i) + { + std::unique_ptr<TextSceneLayer> layer(new TextSceneLayer()); + scene.SetLayer(baseLayerIndex_ + polylineLayerCount_ + i, layer.release()); + } + lock->Invalidate(); + } + + void LayerHolder::CreateLayersIfNeeded() + { + if (baseLayerIndex_ == -1) + CreateLayers(); + } + + bool LayerHolder::AreLayersCreated() const + { + return (baseLayerIndex_ != -1); + } + + void LayerHolder::DeleteLayersIfNeeded() + { + if (baseLayerIndex_ != -1) + DeleteLayers(); + } + + void LayerHolder::DeleteLayers() + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + Scene2D& scene = lock->GetController().GetScene(); + + for (int i = 0; i < textLayerCount_ + polylineLayerCount_; ++i) + { + ORTHANC_ASSERT(scene.HasLayer(baseLayerIndex_ + i), "No layer"); + scene.DeleteLayer(baseLayerIndex_ + i); + } + baseLayerIndex_ = -1; + lock->Invalidate(); + } + + PolylineSceneLayer* LayerHolder::GetPolylineLayer(int index /*= 0*/) + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + Scene2D& scene = lock->GetController().GetScene(); + + using namespace Orthanc; + ORTHANC_ASSERT(baseLayerIndex_ != -1); + ORTHANC_ASSERT(scene.HasLayer(GetPolylineLayerIndex(index))); + ISceneLayer* layer = &(scene.GetLayer(GetPolylineLayerIndex(index))); + + PolylineSceneLayer* concreteLayer = + dynamic_cast<PolylineSceneLayer*>(layer); + + ORTHANC_ASSERT(concreteLayer != NULL); + return concreteLayer; + } + + TextSceneLayer* LayerHolder::GetTextLayer(int index /*= 0*/) + { + std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); + Scene2D& scene = lock->GetController().GetScene(); + + using namespace Orthanc; + ORTHANC_ASSERT(baseLayerIndex_ != -1); + ORTHANC_ASSERT(scene.HasLayer(GetTextLayerIndex(index))); + ISceneLayer* layer = &(scene.GetLayer(GetTextLayerIndex(index))); + + TextSceneLayer* concreteLayer = + dynamic_cast<TextSceneLayer*>(layer); + + ORTHANC_ASSERT(concreteLayer != NULL); + return concreteLayer; + } + + int LayerHolder::GetPolylineLayerIndex(int index /*= 0*/) + { + using namespace Orthanc; + ORTHANC_ASSERT(index < polylineLayerCount_); + return baseLayerIndex_ + index; + } + + int LayerHolder::GetTextLayerIndex(int index /*= 0*/) + { + using namespace Orthanc; + ORTHANC_ASSERT(index < textLayerCount_); + + // the text layers are placed right after the polyline layers + // this means they are drawn ON TOP + return baseLayerIndex_ + polylineLayerCount_ + index; + } +}