DtMapScaleSectionOverlay.h

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


#include <vrvCore/DtMapInformationSectionOverlay.h>

#pragma once

namespace makVrv
{
   class DtWindowLine;
   class DtWindowText;
   class DtUnicode;
   class DtDe;

   class DT_DLL_VRVCORE DtMapScaleSectionOverlay : public DtMapInformationSectionOverlay
   {
      friend class DtMapScaleSectionOverlayCreator;

   public:
      virtual ~DtMapScaleSectionOverlay();

      DtMapScaleSectionOverlay() = delete;

      DtMapScaleSectionOverlay(const DtMapScaleSectionOverlay& other) = delete;

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

      virtual void createVisuals();

      virtual void destroyVisuals();

      virtual bool isVisualized() const;

      virtual void update() override;

      virtual bool getSize(int& width, int& height) override;

      virtual void setGeometry(double left, double bottom, double width, double height) override;

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

      virtual void setFontColor(float r, float g, float b, float a) override;

      virtual void setPixelRatio(float pixelRatio);

   protected:
      virtual double findDistanceFromResolution(double viewResolution, DtUnicode& label) const;

   protected:

      DtMapScaleSectionOverlay(DtDe& de);

   protected:
      DtWindowText* myScaleText;
      DtWindowLine* myHorizontalLine;

      int myLineWidth;

      bool myNeedsUpdate;

      double myPreviousViewResolution;

      int myLabelTextHeight;
      int myLabelTextWidth;

      int myActualScaleWidth;
      int myTargetScaleWidth;

      int myLabelScaleBarSpacing;
      int myLeftAndRightMarginSpacing;
   };

   class DT_DLL_VRVCORE DtMapScaleSectionOverlayCreator :
      public DtMapInformationSectionOverlayCreator
   {
   public:
      
      virtual ~DtMapScaleSectionOverlayCreator();

      static DtMapInformationSectionOverlayCreator* instance(DtDe& de);

      static void registerInstance(DtDe& de, DtMapInformationSectionOverlayCreator*);

      static std::string className();

      virtual DtMapInformationSectionOverlay* create(DtDe& de) override;

      virtual DtMapInformationSectionOverlayCreator* clone() const override;
      
   };

}