Mercurial > hg > orthanc-stone
view Framework/Layers/DicomStructureSetSlicer.cpp @ 492:64d90190a08c am-touch-events
template GetLayer
author | Alain Mazy <alain@mazy.be> |
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date | Wed, 20 Feb 2019 20:57:43 +0100 |
parents | b70e9be013e4 |
children | 42dadae61fa9 |
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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 "DicomStructureSetSlicer.h" namespace OrthancStone { class DicomStructureSetSlicer::Renderer : public ILayerRenderer { private: class Structure { private: bool visible_; uint8_t red_; uint8_t green_; uint8_t blue_; std::string name_; std::vector< std::vector<DicomStructureSet::PolygonPoint> > polygons_; public: Structure(DicomStructureSet& structureSet, const CoordinateSystem3D& plane, size_t index) : name_(structureSet.GetStructureName(index)) { structureSet.GetStructureColor(red_, green_, blue_, index); visible_ = structureSet.ProjectStructure(polygons_, index, plane); } void Render(CairoContext& context) { if (visible_) { cairo_t* cr = context.GetObject(); context.SetSourceColor(red_, green_, blue_); for (size_t i = 0; i < polygons_.size(); i++) { cairo_move_to(cr, polygons_[i][0].first, polygons_[i][0].second); for (size_t j = 1; j < polygons_[i].size(); j++) { cairo_line_to(cr, polygons_[i][j].first, polygons_[i][j].second); } cairo_line_to(cr, polygons_[i][0].first, polygons_[i][0].second); cairo_stroke(cr); } } } }; typedef std::list<Structure*> Structures; CoordinateSystem3D plane_; Structures structures_; public: Renderer(DicomStructureSet& structureSet, const CoordinateSystem3D& plane) : plane_(plane) { for (size_t k = 0; k < structureSet.GetStructureCount(); k++) { structures_.push_back(new Structure(structureSet, plane, k)); } } virtual ~Renderer() { for (Structures::iterator it = structures_.begin(); it != structures_.end(); ++it) { delete *it; } } virtual bool RenderLayer(CairoContext& context, const ViewportGeometry& view) { cairo_set_line_width(context.GetObject(), 2.0f / view.GetZoom()); for (Structures::const_iterator it = structures_.begin(); it != structures_.end(); ++it) { assert(*it != NULL); (*it)->Render(context); } return true; } virtual const CoordinateSystem3D& GetLayerPlane() { return plane_; } virtual void SetLayerStyle(const RenderStyle& style) { } virtual bool IsFullQuality() { return true; } }; class DicomStructureSetSlicer::RendererFactory : public LayerReadyMessage::IRendererFactory { private: DicomStructureSet& structureSet_; const CoordinateSystem3D& plane_; public: RendererFactory(DicomStructureSet& structureSet, const CoordinateSystem3D& plane) : structureSet_(structureSet), plane_(plane) { } virtual ILayerRenderer* CreateRenderer() const { return new Renderer(structureSet_, plane_); } }; DicomStructureSetSlicer::DicomStructureSetSlicer(MessageBroker& broker, StructureSetLoader& loader) : IVolumeSlicer(broker), IObserver(broker), loader_(loader) { loader_.RegisterObserverCallback( new Callable<DicomStructureSetSlicer, StructureSetLoader::ContentChangedMessage> (*this, &DicomStructureSetSlicer::OnStructureSetLoaded)); } void DicomStructureSetSlicer::ScheduleLayerCreation(const CoordinateSystem3D& viewportPlane) { if (loader_.HasStructureSet()) { RendererFactory factory(loader_.GetStructureSet(), viewportPlane); EmitMessage(IVolumeSlicer::LayerReadyMessage(*this, factory, viewportPlane)); } } }