Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Scene2D/CairoCompositor.h @ 2146:743fa9c74443 dicom-sr tip
integration mainline->dicom-sr
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 16 Aug 2024 18:09:53 +0200 |
parents | 16c01cc201e7 |
children |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "ICompositor.h" #include "../Fonts/GlyphBitmapAlphabet.h" #include "../Wrappers/CairoContext.h" #include "Internals/CompositorHelper.h" #include "Internals/ICairoContextProvider.h" namespace OrthancStone { class CairoCompositor : public ICompositor, private Internals::CompositorHelper::IRendererFactory, private Internals::ICairoContextProvider { private: typedef std::map<size_t, GlyphBitmapAlphabet*> Fonts; std::unique_ptr<Internals::CompositorHelper> helper_; CairoSurface canvas_; Fonts fonts_; // Only valid during a call to "Refresh()" std::unique_ptr<CairoContext> context_; virtual cairo_t* GetCairoContext() ORTHANC_OVERRIDE; virtual Internals::CompositorHelper::ILayerRenderer* Create(const ISceneLayer& layer) ORTHANC_OVERRIDE; public: CairoCompositor(unsigned int canvasWidth, unsigned int canvasHeight); virtual ~CairoCompositor(); const CairoSurface& GetCanvas() const { return canvas_; } virtual void SetCanvasSize(unsigned int canvasWidth, unsigned int canvasHeight) ORTHANC_OVERRIDE; virtual unsigned int GetCanvasWidth() const ORTHANC_OVERRIDE { return canvas_.GetWidth(); } virtual unsigned int GetCanvasHeight() const ORTHANC_OVERRIDE { return canvas_.GetHeight(); } void SetFont(size_t index, GlyphBitmapAlphabet* dict); // Takes ownership #if ORTHANC_ENABLE_LOCALE == 1 virtual void SetFont(size_t index, const std::string& ttf, unsigned int fontSize, Orthanc::Encoding codepage) ORTHANC_OVERRIDE; #endif virtual void Refresh(const Scene2D& scene) ORTHANC_OVERRIDE; virtual void ResetScene() ORTHANC_OVERRIDE { helper_.reset(new Internals::CompositorHelper(*this)); } Orthanc::ImageAccessor* RenderText(size_t fontIndex, const std::string& utf8) const; #if ORTHANC_ENABLE_LOCALE == 1 virtual TextBoundingBox* ComputeTextBoundingBox(size_t fontIndex, const std::string& utf8) ORTHANC_OVERRIDE; #endif }; }