Printout class used by mpWindow to draw in the objects to be printed. More...

#include <mathplot.h>

Inheritance diagram for mpPrintout:

Public Member Functions
	mpPrintout (mpWindow drawWindow, const wxChar title=_T("wxMathPlot print output"))

virtual	~mpPrintout ()

void	SetDrawState (bool drawState)

bool	OnPrintPage (int page) override

bool	HasPage (int page) override

Private Attributes
bool	drawn

mpWindow *	plotWindow

Detailed Description

Printout class used by mpWindow to draw in the objects to be printed.

The object itself can then used by the default wxWidgets printing system to print mppWindow objects.

Definition at line 1702 of file mathplot.h.

Constructor & Destructor Documentation

◆ mpPrintout()

mpPrintout::mpPrintout	(	mpWindow *	drawWindow,
		const wxChar *	title = `_T("wxMathPlot print output")`
	)

Definition at line 3022 of file mathplot.cpp.

 : wxPrintout( title )
{
 drawn = false;
 plotWindow = drawWindow;
}

References drawn, and plotWindow.

◆ ~mpPrintout()

virtual mpPrintout::~mpPrintout ( )

inlinevirtual

Definition at line 1706 of file mathplot.h.

1706{};

Member Function Documentation

◆ HasPage()

bool mpPrintout::HasPage ( int page )

override

Definition at line 3091 of file mathplot.cpp.

{
 return page == 1;
}

◆ OnPrintPage()

bool mpPrintout::OnPrintPage ( int page )

override

Definition at line 3029 of file mathplot.cpp.

{
 wxDC* trgDc = GetDC();
 
 if( (trgDc) && (page == 1) )
 {
 wxCoord m_prnX, m_prnY;
 int marginX = 50;
 int marginY = 50;
 trgDc->GetSize( &m_prnX, &m_prnY );
 
 m_prnX -= (2 * marginX);
 m_prnY -= (2 * marginY);
 trgDc->SetDeviceOrigin( marginX, marginY );
 
 // Set the scale according to the page:
 plotWindow->Fit(
 plotWindow->GetDesiredXmin(),
 plotWindow->GetDesiredXmax(),
 plotWindow->GetDesiredYmin(),
 plotWindow->GetDesiredYmax(),
 &m_prnX,
 &m_prnY );
 
 // Get the colours of the plotWindow to restore them ath the end
 wxColour oldBgColour = plotWindow->GetBackgroundColour();
 wxColour oldFgColour = plotWindow->GetForegroundColour();
 wxColour oldAxColour = plotWindow->GetAxesColour();
 
 // Draw background, ensuring to use white background for printing.
 trgDc->SetPen( *wxTRANSPARENT_PEN );
 // wxBrush brush( plotWindow->GetBackgroundColour() );
 wxBrush brush = *wxWHITE_BRUSH;
 trgDc->SetBrush( brush );
 trgDc->DrawRectangle( 0, 0, m_prnX, m_prnY );
 
 // Draw all the layers:
 // trgDc->SetDeviceOrigin( m_prnX>>1, m_prnY>>1); // Origin at the center
 mpLayer* layer;
 
 for( unsigned int li = 0; li < plotWindow->CountAllLayers(); li++ )
 {
  layer = plotWindow->GetLayer( li );
 layer->Plot( *trgDc, *plotWindow );
 }
 
 ;
 // Restore device origin
 // trgDc->SetDeviceOrigin(0, 0);
 // Restore colours
 plotWindow->SetColourTheme( oldBgColour, oldFgColour, oldAxColour );
 // Restore drawing
 plotWindow->Fit( plotWindow->GetDesiredXmin(),
 plotWindow->GetDesiredXmax(), plotWindow->GetDesiredYmin(),
 plotWindow->GetDesiredYmax(), NULL, NULL );
 plotWindow->UpdateAll();
 }
 
 return true;
}

References mpWindow::CountAllLayers(), mpWindow::Fit(), mpWindow::GetAxesColour(), mpWindow::GetDesiredXmax(), mpWindow::GetDesiredXmin(), mpWindow::GetDesiredYmax(), mpWindow::GetDesiredYmin(), mpWindow::GetLayer(), mpLayer::Plot(), plotWindow, mpWindow::SetColourTheme(), and mpWindow::UpdateAll().

◆ SetDrawState()

void mpPrintout::SetDrawState ( bool drawState )

inline

Definition at line 1708 of file mathplot.h.

1708{ drawn = drawState; };

Member Data Documentation

◆ drawn

bool mpPrintout::drawn

private

Definition at line 1713 of file mathplot.h.

Referenced by mpPrintout().

◆ plotWindow

mpWindow* mpPrintout::plotWindow