DtBaseTextAttribute.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvCore/DtAttribute.h>

#include <vrvUtil/DtVirtualBaseClassCreator.h>

#include <vrvGraphics/DtFont.h>

#include <osg/Vec2>

namespace makVrv
{

   class DtDe;
   class DtTextProxyInterface;

   class DtBaseTextAttribute;

   typedef DtVirtualBaseClassCreator<DtBaseTextAttribute> DtBaseTextAttributeCreator;

   template <>
   inline const char* creatorTypeName<DtBaseTextAttribute>(void) { return "DtBaseTextAttributeCreator"; }

   class DT_DLL_VRVOSG DtBaseTextAttribute : public DtAttribute
   {
      friend DtBaseTextAttributeCreator;

   public:

      virtual ~DtBaseTextAttribute();

      DtBaseTextAttribute() = delete;

      DtBaseTextAttribute(
         const DtBaseTextAttribute &other) = delete;

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

   public:

      virtual void setString( const DtUnicode& str );

      virtual void setPosition( float x, float y, float z, float w );

      virtual void getMinSize( double& xOut, double& yOut );

      virtual void setOffset( double x, double y );

      virtual void setVisible( bool isVisible );

      virtual void setLodOutAltitude(double lodOutAltitude);

      virtual double lodOutAltitude() const;

      virtual void setIsLodOutAltitudeEnabled(bool isEnabled);

      virtual bool isLodOutAltitudeEnabled() const;

      virtual void setColor( float r,float g,float b,float a );

      virtual void setFont( const std::string& fontFile, float sizeInPoints );

      virtual bool visible() const;

      virtual void setSize( double x, double y );

      static float pointsToPixelsAprox( float points );

      virtual void setOverlay( unsigned int overlayId );

      virtual void setGroup( unsigned int group );

      virtual void setForegroundGroup( unsigned int group );

      virtual void setBackgroundGroup( unsigned int group );

      virtual float fontSize();

      virtual const std::string& fontFile();

      virtual void setShadowText( bool enabled );

   protected:

      DtBaseTextAttribute(DtDe& de);

      virtual void setStringForText( const DtUnicode& str, DtTextProxyInterface& text );

      virtual void setFontForText( const std::string& fontFile, float sizeInPoints, DtTextProxyInterface& text );

      virtual void setOffsetForText( double x, double y, DtTextProxyInterface& text );

      virtual void setVisibleForText( DtTextProxyInterface& text );

      virtual void createText();

   protected:

      DtDe& myDe;
      float myColorR, myColorG, myColorB, myColorA;
      std::string myFontFile;

      double myLodOutAltitude;
      bool myIsLodOutAltitudeEnabled;

      float myFontSize;
      float myWidth;

      float myOffsetX;
      float myOffsetY;

      float myWorldX;
      float myWorldY;
      float myWorldZ;
      float myWorldW;

      double mySizeX;
      double mySizeY;
      DtFont::TextAlignment myAlignment;
      DtTextProxyInterface* myText;
      DtTextProxyInterface* myShadowText;

      DtUnicode myString;

      unsigned int myOverlayId;
      unsigned int myForegroundOverlayGroup;
      unsigned int myBackgroundOverlayGroup;

      bool myShadowTextFlag;

   };

}