Scroom::Utils::TweakPresentationPosition Class Reference

#include <tweak-view.hh>

Inheritance diagram for Scroom::Utils::TweakPresentationPosition:

Collaboration diagram for Scroom::Utils::TweakPresentationPosition:

Public Types
using	Ptr = std::shared_ptr< TweakPresentationPosition >
Public Types inherited from Scroom::Utils::ITweakPresentationPosition
using	Ptr = std::shared_ptr< ITweakPresentationPosition >

Public Member Functions
Point< double >	tweakPosition (const Point< double > &currentPosition, const Point< int > &drawingAreaSize, int zoom) const override
Public Member Functions inherited from Interface
	Interface ()=default
	Interface (const Interface &)=delete
Interface &	operator= (const Interface &)=delete
	Interface (Interface &&)=delete
Interface &	operator= (Interface &&)=delete
virtual	~Interface ()=default

Static Public Member Functions
static ITweakPresentationPosition::Ptr	create (const Point< double > &aspectRatio_={1.0, 1.0})

Private Member Functions
	TweakPresentationPosition (const Point< double > &aspectRatio_)

Private Attributes
Point< double >	aspectRatio

Member Typedef Documentation

Ptr

using Scroom::Utils::TweakPresentationPosition::Ptr = std::shared_ptr<TweakPresentationPosition>

Constructor & Destructor Documentation

TweakPresentationPosition()

Scroom::Utils::TweakPresentationPosition::TweakPresentationPosition ( const Point< double > &  aspectRatio_ )

explicitprivate

    : aspectRatio(aspectRatio_)
  {
  }

Member Function Documentation

create()

ITweakPresentationPosition::Ptr Scroom::Utils::TweakPresentationPosition::create ( const Point< double > &  aspectRatio_ = {1.0, 1.0} )

static

  {
    return Ptr(new TweakPresentationPosition(aspectRatio_));
  }

Referenced by TiledBitmap::TiledBitmap(), and TransformPresentation::TransformPresentation().

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tweakPosition()

Point< double > Scroom::Utils::TweakPresentationPosition::tweakPosition ( const Point< double > &  currentPosition, const Point< int > &  drawingAreaSize, int  zoom  ) const

overridevirtual

Implements Scroom::Utils::ITweakPresentationPosition.

  {
    return round_to_multiple_of(currentPosition, aspectRatio / pixelSizeFromZoom(zoom));
  }

Member Data Documentation

aspectRatio

Point<double> Scroom::Utils::TweakPresentationPosition::aspectRatio

private

Referenced by Scroom::Utils::TweakGridSelection::tweakSelection().

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The documentation for this class was generated from the following files:

• libs/scroom/inc/scroom/tweak-view.hh
• libs/scroom/src/tweak-view.cc