DtTextLayoutInterface.h

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/*****************************************************************************
 * Copyright (c) 2014 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() {};

      virtual void renderText(DtTexturedGlyphRenderer*, DtTextProxy*) = 0;

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

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

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