DtTexturedGlyphRenderer.h

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/*****************************************************************************
 * Copyright (c) 2022 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvGraphics/DtGlyphRenderer.h>
#include <vrvGraphics/DtTextured2DRenderer.h>

#include <tbb/tbb_allocator.h>

#include <unordered_map>
#include <vector>

namespace makVrv
{

   class DT_DLL_VRVGRAPHICS DtTexturedGlyphRenderer : public DtGlyphRenderer
   {
   public:

      typedef std::vector<DtOffsetColoredTexturedVertex, tbb::tbb_allocator<DtOffsetColoredTexturedVertex> > QuadVertexList;
      typedef std::unordered_map<unsigned int, QuadVertexList > TextureLists;

   public:

      DtTexturedGlyphRenderer();

      virtual ~DtTexturedGlyphRenderer();

      void setProjectedStringPosition( const float pos[4] );

      void setProjectedStringRotation( float angle );

      void setGroup( unsigned int group );

      virtual void renderGlyphWithAdvance( DtPen& pen, DtGlyph& glyph, bool advance);
      virtual void renderGlyphWithRightToLeft( DtPen& pen, DtGlyph& glyph, bool rightToLeft);

      inline const TextureLists& perTextureLists() const
      {
         return myLists;
      }

      inline TextureLists& perTextureLists()
      {
         return myLists;
      }

      const size_t maxRenderDataSizeInBytes() const;

      static const size_t dataSizeInBytesForQuadCount(const size_t count);

   protected:

      TextureLists myLists;
      float myCurrentStringPos[4];
      float myCurrentStringRotation;
      float myGroup;

      QuadVertexList myScratchVertList;
   };

}