Mercurial > hg > orthanc-stone
view Framework/Scene2DViewport/LayerHolder.cpp @ 1113:3924ddbbadda
merge
author | Alain Mazy <alain@mazy.be> |
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date | Mon, 04 Nov 2019 12:47:13 +0100 |
parents | 32eaf4929b08 |
children | f3bb9a6dd949 2d8ab34c8c91 |
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/** * 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 "LayerHolder.h" #include "../Scene2D/TextSceneLayer.h" #include "../Scene2D/PolylineSceneLayer.h" #include "../Scene2D/Scene2D.h" #include "../Scene2DViewport/ViewportController.h" #include "../StoneException.h" namespace OrthancStone { LayerHolder::LayerHolder( boost::weak_ptr<ViewportController> controllerW, int polylineLayerCount, int textLayerCount, int infoTextCount) : textLayerCount_(textLayerCount) , polylineLayerCount_(polylineLayerCount) , infoTextCount_(infoTextCount) , controllerW_(controllerW) , baseLayerIndex_(-1) { } void LayerHolder::CreateLayers() { assert(baseLayerIndex_ == -1); baseLayerIndex_ = GetScene().GetMaxDepth() + 100; for (int i = 0; i < polylineLayerCount_; ++i) { std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer()); GetScene().SetLayer(baseLayerIndex_ + i, layer.release()); } for (int i = 0; i < textLayerCount_; ++i) { std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer()); GetScene().SetLayer( baseLayerIndex_ + polylineLayerCount_ + i, layer.release()); } } void LayerHolder::CreateLayersIfNeeded() { if (baseLayerIndex_ == -1) CreateLayers(); } bool LayerHolder::AreLayersCreated() const { return (baseLayerIndex_ != -1); } Scene2D& LayerHolder::GetScene() { boost::shared_ptr<ViewportController> controller = controllerW_.lock(); ORTHANC_ASSERT(controller.get() != 0, "Zombie attack!"); return controller->GetScene(); } void LayerHolder::DeleteLayersIfNeeded() { if (baseLayerIndex_ != -1) DeleteLayers(); } void LayerHolder::DeleteLayers() { for (int i = 0; i < textLayerCount_ + polylineLayerCount_; ++i) { ORTHANC_ASSERT(GetScene().HasLayer(baseLayerIndex_ + i), "No layer"); GetScene().DeleteLayer(baseLayerIndex_ + i); } baseLayerIndex_ = -1; } PolylineSceneLayer* LayerHolder::GetPolylineLayer(int index /*= 0*/) { using namespace Orthanc; ORTHANC_ASSERT(baseLayerIndex_ != -1); ORTHANC_ASSERT(GetScene().HasLayer(GetPolylineLayerIndex(index))); ISceneLayer* layer = &(GetScene().GetLayer(GetPolylineLayerIndex(index))); PolylineSceneLayer* concreteLayer = dynamic_cast<PolylineSceneLayer*>(layer); ORTHANC_ASSERT(concreteLayer != NULL); return concreteLayer; } TextSceneLayer* LayerHolder::GetTextLayer(int index /*= 0*/) { using namespace Orthanc; ORTHANC_ASSERT(baseLayerIndex_ != -1); ORTHANC_ASSERT(GetScene().HasLayer(GetTextLayerIndex(index))); ISceneLayer* layer = &(GetScene().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; } }