DtDefaultTextLayout.h

Go to the documentation of this file.

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


#pragma once

#include <vrvGraphics/vrvGraphics.h>
#include <vrvGraphics/DtTextLayoutInterface.h>
#include <vrvUtil/DtUnicode.h>

#include <unordered_map>

namespace makVrv
{
   class DtFreeTypeFace;
   struct DtObserverRenderData;

   class DT_DLL_VRVGRAPHICS DtDefaultTextLayout : public DtTextLayoutInterface
   {
   public:
      DtDefaultTextLayout();

      virtual ~DtDefaultTextLayout();

      DtDefaultTextLayout(
         const DtDefaultTextLayout &other) = delete;

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

   public:

      virtual void renderText(DtTexturedGlyphRenderer*, const DtTextProxy*, DtFontInterface* font, const DtBoundingBox& bBox,
         const DtObserverRenderData& channelRenderData,
         int proxyIndex, DtQuadsRenderData* renderData);

      virtual DtBoundingBox calculateBoundingBox(DtFontInterface* font, const DtUnicode& string,
          const DtPen& pen = DtPen(), unsigned int pos = 0, int len = -1) const;

      virtual bool isShaped(void) const{ return false; }
   protected:
      virtual void renderString(DtGlyphRenderer& renderer, DtPen& pen
         , const DtTextProxy* textProxy, DtFontInterface* font, unsigned int pos, int len, int& vertexIndex
         , const std::unordered_map<unsigned int, int>& mapTextureIdToTextureIndex, double observerTopographicHeading);

      virtual void renderString(DtGlyphRenderer& renderer, DtPen& pen
         , const DtTextProxy* textProxy, DtFontInterface* font, unsigned int pos, int len
         , float lineLength, int& vertexIndex
         , const std::unordered_map<unsigned int, int>& mapTextureIdToTextureIndex, double observerTopographicHeading);

      virtual void renderStringAndWhiteSpace(
         DtGlyphRenderer& renderer, const DtPen& pen, const DtTextProxy* textProxy,
         DtFontInterface* font, unsigned int pos, int len, const float extraSpace, int& vertexIndex
         , const std::unordered_map<unsigned int, int>& mapTextureIdToTextureIndex, double observerTopographicHeading);

      virtual void renderWrappedText(DtGlyphRenderer& renderer,
         const DtPen& pen, DtFont::TextAlignment alignment, const DtTextProxy* textProxy,
         DtFontInterface* font, unsigned int pos, int len, const float lineLength, const float wordWidth, int& vertexIndex
         , const std::unordered_map<unsigned int, int>& mapTextureIdToTextureIndex, double observerTopographicHeading);
   };
}