Scroom::Pnm::Source Class Reference

#include <pnmsource.hh>

Inheritance diagram for Scroom::Pnm::Source:

Collaboration diagram for Scroom::Pnm::Source:

Public Types
using	Ptr = std::shared_ptr< Source >
Public Types inherited from SourcePresentation
using	Ptr = std::shared_ptr< SourcePresentation >

Public Member Functions
bool	resetPresentation ()
void	done () override
std::string	getName () override
Public Member Functions inherited from SourcePresentation
virtual void	fillTiles (int startLine, int lineCount, int tileWidth, int firstTile, std::vector< Tile::Ptr > &tiles)=0

Protected Member Functions
	Source (std::string fileName, std::ifstream pnm, BitmapMetaData bmd)

Protected Attributes
std::string	m_fileName
std::ifstream	m_preOpenedPnm
std::ifstream	m_pnm
BitmapMetaData	m_bmd
Scroom::Logger	m_logger

Member Typedef Documentation

Ptr

using Scroom::Pnm::Source::Ptr = std::shared_ptr<Source>

Constructor & Destructor Documentation

Source()

Scroom::Pnm::Source::Source ( std::string  fileName, std::ifstream  pnm, BitmapMetaData  bmd  )

protected

    : m_fileName(std::move(fileName))
    , m_preOpenedPnm(std::move(pnm))
    , m_bmd(std::move(bmd))
  {
  }

Member Function Documentation

done()

void Scroom::Pnm::Source::done ( )

overridevirtual

Done reading bitmap data

Any open files can be closed now

Implements SourcePresentation.

{ m_pnm.close(); }

getName()

std::string Scroom::Pnm::Source::getName ( )

inlineoverridevirtual

Implements SourcePresentation.

{ return m_fileName; }

resetPresentation()

bool Scroom::Pnm::Source::resetPresentation

(

)

  {
    m_pnm = std::move(m_preOpenedPnm);
 
    if(!m_pnm)
    {
      auto r = Scroom::Pnm::open(m_logger, m_fileName);
      if(r && approx(std::get<0>(*r), m_bmd))
      {
        m_pnm = std::move(std::get<1>(*r));
      }
      else
      {
        if(r)
        {
          m_logger->error("Can't reload. Bitmap changed too much");
          m_logger->info("Previously: {}", to_string(m_bmd));
          m_logger->info("Now:        {}", to_string(std::get<0>(*r)));
        }
        // if (!r) then the error has already been reported by open()
        return false;
      }
    }
    ensure(m_pnm);
 
    return true;
  }

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Member Data Documentation

m_bmd

BitmapMetaData Scroom::Pnm::Source::m_bmd

protected

Referenced by Scroom::Pnm::BinarySource::fillTiles(), Scroom::Pnm::AsciiSource::fillTiles(), Scroom::Pnm::AsciiSource1bpp::fillTiles(), and resetPresentation().

m_fileName

std::string Scroom::Pnm::Source::m_fileName

protected

Referenced by getName(), and resetPresentation().

m_logger

Scroom::Logger Scroom::Pnm::Source::m_logger

protected

Referenced by resetPresentation().

m_pnm

std::ifstream Scroom::Pnm::Source::m_pnm

protected

Referenced by done(), Scroom::Pnm::BinarySource::fillTiles(), Scroom::Pnm::AsciiSource::fillTiles(), Scroom::Pnm::AsciiSource1bpp::fillTiles(), and resetPresentation().

m_preOpenedPnm

std::ifstream Scroom::Pnm::Source::m_preOpenedPnm

protected

Referenced by resetPresentation().

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

• plugins/pnm/src/pnmsource.hh
• plugins/pnm/src/pnmsource.cc