transformpresentation.cc File Reference

#include <string>
#include <utility>
#include <cairo.h>
#include <scroom/color.hh>
#include <scroom/colormappable.hh>
#include <scroom/pipettelayeroperations.hh>
#include <scroom/pipetteviewinterface.hh>
#include <scroom/point.hh>
#include <scroom/presentationinterface.hh>
#include <scroom/rectangle.hh>
#include <scroom/transformpresentation.hh>
#include <scroom/viewinterface.hh>
#include "scroom/cairo-helpers.hh"
#include "scroom/tweak-view.hh"

Include dependency graph for transformpresentation.cc:

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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