DtTextLayoutInterface.h

Go to the documentation of this file.

/*****************************************************************************
 * Copyright (c) 2021 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvGraphics/vrvGraphics.h>
#include <vrvGraphics/DtFont.h>
#include <vrvGraphics/DtFontManager.h>

#include <vrvUtil/DtUnicode.h>

namespace makVrv
{
   class DtTextProxy;
   class DtTexturedGlyphRenderer;

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

      virtual ~DtTextLayoutInterface() {};

      DtTextLayoutInterface(
         const DtTextLayoutInterface &other) = delete;

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

      virtual void renderText(DtTexturedGlyphRenderer*, const DtTextProxy*, DtFontSP, const DtBoundingBox&) = 0;

      virtual Dt2dPoint calculateGlyphSize(const DtFontSP& font, const DtPen& pen, 
         const DtUnicode& string, unsigned int pos, int len) const = 0;

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

      virtual bool isShaped(void) const = 0;
   };
}