DtTextProxyGroup.h

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/*****************************************************************************
 * Copyright (c) 2023 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/

 
#pragma once

#include <vrvGraphics/vrvGraphics.h>
#include <vrvCore/DtAltitudeBasedConfiguration.h>
#include <vrvGraphics/DtTextProxy.h>
#include <vrvGraphics/DtCommonRenderData.h>

#include <tbb/concurrent_unordered_map.h>
#include <tbb/concurrent_unordered_set.h>

namespace makVrv
{
   class DtTextProxy;
   class DtTexturedGlyphRenderer;

   class DT_DLL_VRVGRAPHICS DtTextProxyGroup
   {
      friend class DtTextRenderer;

   public:
      typedef std::vector<DtTextProxy*> TextProxyList;

   public:
      DtTextProxyGroup(DtAltitudeBasedConfigurationCollection);
      DtTextProxyGroup();
      ~DtTextProxyGroup();

      DtTextProxyGroup(
         const DtTextProxyGroup& other) = delete;

      DtTextProxyGroup& operator=(
         const DtTextProxyGroup& other) = delete;

      DtTextProxyGroup(DtTextProxyGroup&&) = delete;
   public:
      const DtQuadsRenderData& renderData(void) const;

   public:
      virtual void render(DtTexturedGlyphRenderer* renderer, const DtObserverRenderData& channelRenderData);

   protected:
      virtual void initializeRenderDataAndComputeFontToUniqueCodePoints(const DtObserverRenderData& channelRenderData, DtFontInterface* defaultFont);

      virtual void initializeTextureListsAndLoadFontsForRendering(DtTexturedGlyphRenderer* glyphRenderer);

      virtual void drawProxies(DtTexturedGlyphRenderer* glyphRenderer, const DtObserverRenderData& channelRenderData, DtFontInterface* defaultFont) const;

   protected:
      TextProxyList myProxies;

      DtAltitudeBasedConfigurationCollection myAltitudeBasedConfigurations;

      mutable DtQuadsRenderData myRenderData;

      tbb::concurrent_unordered_map<DtFontInterface*, tbb::concurrent_unordered_set<DtUnicodeChar::CodePoint> > myFontToUniqueCodePoints;
   };
}