omni::render::Renderer Class Reference

#include <Renderer.h>

Collaboration diagram for omni::render::Renderer:

Public Member Functions
	Renderer (Session const &_session)
void	renderToFile (QString const &_filename)
void	renderOmniCalibration (QString const &_filename)
	Render to omni calibration (OmniC) file. More...
std::map< QScreen const *, QImage >	stitchScreens (std::vector< const proj::Tuning * >const &) const

Private Attributes
Session const &	session_

Constructor & Destructor Documentation

omni::render::Renderer::Renderer

(

Session const &

_session

)

                                              :
      session_(_session)
    {}

Member Function Documentation

void omni::render::Renderer::renderOmniCalibration

(

QString const &

_filename

)

Render to omni calibration (OmniC) file.

Write render buffer

Brightness correction, not used currently

                                                                 {
      auto& _settings = session_.exportSettings();

      std::vector<proj::Tuning const *> _tunings;

      // Get all tunings
      for (auto& _tuning : session_.tunings())
      {
        if (!_tuning->hasScreen() &&
            _settings.excludeUnassignedProjectors()) continue;
        _tunings.push_back(_tuning.get());
      }

      std::ofstream _file(_filename.toStdString(),std::ofstream::out);

      // Write header
      std::string _header("OMNIC_v1.0.0.0");
      _header.resize(80);
      _file.write(_header.c_str(),80);

      _file << uint32_t(_settings.outputMode());
      _file << uint32_t(_tunings.size());

      auto _writeRect = [&](QRect const& _r) {
        _file << int32_t(_r.left()); // offset_x
        _file << int32_t(_r.top()); // offset_y
        _file << uint32_t(_r.width()); // width
        _file << uint32_t(_r.height()); // height
      };

      auto _writeChannelCorrection = [&](proj::ChannelCorrection const& _c) {
        _file << float(_c.gamma());
        _file << float(_c.brightness());
        _file << float(_c.contrast());
        _file << float(_c.multiplier());
      };

      for (auto* _tuning : _tunings) {
          proj::Calibration _calib(*_tuning,_settings.outputMode());

          _file << uint32_t(_calib.virtualScreen());
          _writeRect(_calib.screenGeometry());
          _writeRect(_calib.contentGeometry());

          _writeChannelCorrection(_calib.colorCorrection().red());
          _writeChannelCorrection(_calib.colorCorrection().green());
          _writeChannelCorrection(_calib.colorCorrection().blue());
          _writeChannelCorrection(_calib.colorCorrection().all());

          /// Write render buffer
          uint32_t _w = _calib.renderSize().width();
          uint32_t _h = _calib.renderSize().height();
          _file << _w;
          _file << _h;
          _file.write((const char*)_calib.buffer().ptr(),sizeof(RGBAFloat)*_w*_h);

          /// Brightness correction, not used currently
          _file << uint32_t(0) << uint32_t(0);
      }
    }

void omni::render::Renderer::renderToFile

(

QString const &

_filename

)

Merge all together

A file for each screen

    {
      auto& _settings = session_.exportSettings();

      std::vector<proj::Tuning const *> _tunings;

      QString _rawName = util::removeFileExt(_filename);

      // Get all tunings
      for (auto& _tuning : session_.tunings())
      {
        if (!_tuning->hasScreen() &&
            _settings.excludeUnassignedProjectors()) continue;
        _tunings.push_back(_tuning.get());
      }

      switch (_settings.separationMode())
      {
      /// Merge all together
      case SeparationMode::NONE:
      {
        auto _desktopRect = proj::ScreenSetup::desktopRect();
        auto && _screens = stitchScreens(_tunings);
        QImage _stitchedImage(_desktopRect.width(),
                              _desktopRect.height() * 2,
                              QImage::Format_RGB32);
        QPainter _p(&_stitchedImage);

        for (auto& _screenImage : _screens)
        {
          auto *_screen = _screenImage.first;
          auto& _image  = _screenImage.second;
          _p.drawImage(
            session_.screenSetup().screenGeometry(
              _screen).topLeft() - _desktopRect.topLeft(),
            _image);
        }
        _stitchedImage.save(_filename);
        break;
      }

      /// A file for each screen
      case SeparationMode::SCREENS:
      {
        auto && _screens = stitchScreens(_tunings);

        for (auto& _screenImage : _screens)
        {
          auto *_screen      = _screenImage.first;
          auto& _image       = _screenImage.second;
          auto  _desktopRect = proj::ScreenSetup::desktopRect();
          auto && _screenRect = session_.screenSetup().screenGeometry(_screen);
          QString _screenDesc(QString("_%1_%2_%3x%4.png").
                              arg(_screenRect.left()).
                              arg(_screenRect.top()).
                              arg(_screenRect.width()).
                              arg(_screenRect.height()));
          _image.save(_rawName + _screenDesc);
        }
        break;
      }

      case SeparationMode::PROJECTORS:
      {
        int _tuningIndex = 0;

        for (auto& _tuning : _tunings)
        {
          proj::Calibration _calib(*_tuning,
                                   session_.exportSettings().outputMode());
          auto && _image = _calib.toImage();
          _image.save(_rawName + QString("_%1.png").arg(_tuningIndex + 1));
        }
        break;
      }
      }
    }

std::map< QScreen const *, QImage > omni::render::Renderer::stitchScreens

(

std::vector< const proj::Tuning * >const &

_tunings

)

const

Render screen images from tunings

    {
      // Get all tunings for each screen
      std::map<QScreen const *,
               std::vector<proj::Tuning const *> > _screenToTunings;

      for (auto& _tuning : _tunings)
      {
        auto *_screen = _tuning->screen();

        if (_screenToTunings.count(_screen) == 0)
        {
          _screenToTunings[_screen] = std::vector<proj::Tuning const *>(
            { _tuning });
        }
        else
        {
          _screenToTunings[_screen].push_back(_tuning);
        }
      }

      /// Render screen images from tunings
      std::map<QScreen const *, QImage> _result;

      for (auto& _screenTunings : _screenToTunings)
      {
        auto *_screen  = _screenTunings.first;
        auto& _tunings = _screenTunings.second;

        auto   _screenRect = session_.screenSetup().screenGeometry(_screen);
        QImage _image(_screenRect.width(),
                      _screenRect.height() * 3, QImage::Format_RGB32); // Overall
                                                                       // screen
                                                                       // image
        QPainter _p(&_image);

        for (auto& _tuning : _tunings)
        {
          auto _rect = _tuning->contentGeometry();
          proj::Calibration _calib(*_tuning,
                                   session_.exportSettings().outputMode());
          auto && _tuningImage = _calib.toImage();
          _p.drawImage(_rect.x(), 0, _tuningImage);
        }
        _p.end();
        _result[_screen] = _image;
      }
      return _result;
    }

Field Documentation

Session const& omni::render::Renderer::session_

private

---

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

• include/omni/render/Renderer.h
• src/lib/render/Renderer.cpp