transformpresentation.hh File Reference

#include <memory>
#include <scroom/bitmap-helpers.hh>
#include <scroom/colormappable.hh>
#include <scroom/pipetteviewinterface.hh>
#include <scroom/point.hh>
#include <scroom/presentationinterface.hh>
#include <scroom/rectangle.hh>
#include <scroom/showmetadatainterface.hh>

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Classes
class	TransformationData
class	Detail::ViewData
class	TransformPresentation

Namespaces
namespace	Detail

Functions
Scroom::Utils::Point< double >	getAspectRatio (const PresentationInterface::Ptr &presentation)

Function Documentation

getAspectRatio()

Scroom::Utils::Point< double > getAspectRatio

(

const PresentationInterface::Ptr &

presentation

)

{
  return try_get<TransformationData::Ptr>(presentation->getContext())
    .transform([](const auto& td) { return td->getAspectRatio(); })
    .value_or(Scroom::Utils::make_point(1.0, 1.0));
}

Referenced by PipetteHandler::computeValues(), and MeasureHandler::displayMeasurement().

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