Inheritance diagram for anonymous_namespace{Printing.cpp}::AudacityPrintout:

Collaboration diagram for anonymous_namespace{Printing.cpp}::AudacityPrintout:

Public Member Functions
	AudacityPrintout (wxString title, TrackList *tracks, TrackPanel &panel)

bool	OnPrintPage (int page)

bool	HasPage (int page)

bool	OnBeginDocument (int startPage, int endPage)

void	GetPageInfo (int minPage, int maxPage, int selPageFrom, int selPageTo)

Private Attributes
TrackPanel &	mPanel

TrackList *	mTracks

Detailed Description

Definition at line 51 of file Printing.cpp.

Constructor & Destructor Documentation

◆ AudacityPrintout()

anonymous_namespace{Printing.cpp}::AudacityPrintout::AudacityPrintout	(	wxString	title,
		TrackList *	tracks,
		TrackPanel &	panel
	)

inline

Definition at line 54 of file Printing.cpp.

                                                         :
      wxPrintout(title),
        mPanel(panel)
      , mTracks(tracks)
   {
   }

Member Function Documentation

◆ GetPageInfo()

void AudacityPrintout::GetPageInfo	(	int *	minPage,
		int *	maxPage,
		int *	selPageFrom,
		int *	selPageTo
	)

Definition at line 159 of file Printing.cpp.

{
   *minPage = 1;
   *maxPage = 1;
   *selPageFrom = 1;
   *selPageTo = 1;
}

◆ HasPage()

bool AudacityPrintout::HasPage ( int page )

Definition at line 149 of file Printing.cpp.

{
   return (page==1);
}

◆ OnBeginDocument()

bool AudacityPrintout::OnBeginDocument	(	int	startPage,
		int	endPage
	)

Definition at line 154 of file Printing.cpp.

{
   return wxPrintout::OnBeginDocument(startPage, endPage);
}

◆ OnPrintPage()

bool AudacityPrintout::OnPrintPage ( int page )

Definition at line 72 of file Printing.cpp.

{
   wxDC *dc = GetDC();
   if (!dc)
      return false;
 
   int width, height;
   dc->GetSize(&width, &height);
 
   int rulerScreenHeight = 40;
   int screenTotalHeight =
      ChannelView::GetTotalHeight(*mTracks) + rulerScreenHeight;
 
   double scale = height / (double)screenTotalHeight;
 
   int rulerPageHeight = (int)(rulerScreenHeight * scale);
   Ruler ruler{ LinearUpdater::Instance(), TimeFormat::Instance() };
   ruler.SetBounds(0, 0, width, rulerPageHeight);
   ruler.SetOrientation(wxHORIZONTAL);
   ruler.SetRange(0.0, mTracks->GetEndTime());
   ruler.SetLabelEdges(true);
   ruler.Draw(*dc);
 
   TrackArtist artist( &mPanel );
   artist.SetBackgroundBrushes(*wxWHITE_BRUSH, *wxWHITE_BRUSH,
                               *wxWHITE_PEN, *wxWHITE_PEN);
   const double screenDuration = mTracks->GetEndTime();
   SelectedRegion region{};
   artist.pSelectedRegion = &region;
   ZoomInfo zoomInfo(0.0, width / screenDuration);
   artist.pZoomInfo = &zoomInfo;
   int y = rulerPageHeight;
 
   for (auto l : *mTracks) {
      for (auto n : l->Channels()) {
         auto &view = ChannelView::Get(*n);
         wxRect r;
         r.x = 0;
         r.y = 0;
         r.width = width;
         // Note that the views as printed might not have the same proportional
         // heights as displayed on the screen, because the fixed-sized separators
         // are counted in those heights but not printed
         auto trackHeight = (int)(view.GetHeight() * scale);
         r.height = trackHeight;
 
         const auto subViews = view.GetSubViews( r );
         if (subViews.empty())
            continue;
      
         auto iter = subViews.begin(), end = subViews.end(), next = iter;
         auto yy = iter->first;
         for ( ; iter != end; iter = next ) {
            ++next;
            auto nextY = ( next == end )
               ? trackHeight
               : next->first;
            r.y = y + yy;
            r.SetHeight( nextY - yy );
            yy = nextY;
 
            TrackPanelDrawingContext context{
               *dc, {}, {}, &artist
            };
            iter->second->Draw( context, r, TrackArtist::PassTracks );
         }
 
         dc->SetPen(*wxBLACK_PEN);
         AColor::Line(*dc, 0, y, width, y);
 
         y += trackHeight;
      }
   };
 
   return true;
}

References Ruler::Draw(), PackedArray::end(), ChannelView::Get(), ChannelView::GetTotalHeight(), LinearUpdater::Instance(), TimeFormat::Instance(), AColor::Line(), TrackArtist::PassTracks, TrackArtist::pSelectedRegion, TrackArtist::pZoomInfo, anonymous_namespace{TimeTrackVRulerControls.cpp}::ruler(), TrackArtist::SetBackgroundBrushes(), Ruler::SetBounds(), Ruler::SetLabelEdges(), Ruler::SetOrientation(), and Ruler::SetRange().

Here is the call graph for this function:

Member Data Documentation

◆ mPanel

TrackPanel& anonymous_namespace{Printing.cpp}::AudacityPrintout::mPanel

private

Definition at line 68 of file Printing.cpp.

◆ mTracks

TrackList* anonymous_namespace{Printing.cpp}::AudacityPrintout::mTracks