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// $Id: wxPLplotwindow.cpp 11760 2011-06-01 19:29:11Z airwin $
//
// Copyright (C) 2005 Werner Smekal
//
// This file is part of PLplot.
//
// PLplot is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published
// by the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// PLplot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with PLplot; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#include <wx/window.h>
#include <wx/dcclient.h>
//#include "plplotP.h"
#include "wxPLplotwindow.h"
#include "wxPLplotstream.h"
BEGIN_EVENT_TABLE( wxPLplotwindow, wxWindow )
EVT_SIZE( wxPLplotwindow::OnSize )
EVT_PAINT( wxPLplotwindow::OnPaint )
EVT_ERASE_BACKGROUND( wxPLplotwindow::OnErase )
END_EVENT_TABLE()
//! Constructor allocates wxMemoryDC, a wxPLplotstream and initializes parameters.
//
wxPLplotwindow::wxPLplotwindow( wxWindow* parent, wxWindowID id, const wxPoint& pos,
const wxSize& size, long style, int pl_style ) :
wxWindow( parent, id, pos, size, style | wxFULL_REPAINT_ON_RESIZE )
{
// create MemoryDC and set size - if size not set (-1, -1) than
// set size to (640,400)
MemPlotDC = new wxMemoryDC;
if ( size.GetWidth() < 0 || size.GetHeight() < 0 )
{
m_width = 640;
m_height = 400;
}
else
{
m_width = size.GetWidth();
m_height = size.GetHeight();
}
bitmapWidth = m_width;
bitmapHeight = m_height;
MemPlotDCBitmap = new wxBitmap( bitmapWidth, bitmapHeight, -1 );
MemPlotDC->SelectObject( *MemPlotDCBitmap );
m_stream = new wxPLplotstream( (wxDC *) MemPlotDC, m_width, m_height, pl_style );
m_stream->cmd( PLESC_GETBACKEND, &m_backend );
m_backend = 1 << ( m_backend + 2 );
// tell wxWidgets to leave the background painting to this control
SetBackgroundStyle( wxBG_STYLE_CUSTOM );
}
//! Deconstructor takes care that all is deleted in the correct order.
//
wxPLplotwindow::~wxPLplotwindow( void )
{
MemPlotDC->SelectObject( wxNullBitmap );
if ( MemPlotDCBitmap )
delete MemPlotDCBitmap;
if ( m_stream )
delete m_stream;
if ( MemPlotDC )
delete MemPlotDC;
}
//! In the OnPaint Method we check if the Windows was resized (will be moved to OnSize() sometimes
// later), we also implement our own double buffering here (since the PLplot wxWidgets driver draws
// into a wxMemoryDC)
//
void wxPLplotwindow::OnPaint( wxPaintEvent &WXUNUSED( event ) )
{
wxPaintDC dc( this );
dc.Blit( 0, 0, m_width, m_height, MemPlotDC, 0, 0 );
}
void wxPLplotwindow::OnSize( wxSizeEvent& WXUNUSED( event ) )
{
int width, height;
GetClientSize( &width, &height );
// Check if we window was resized
if ( ( m_width != width ) || ( m_height != height ) )
{
if ( ( width > bitmapWidth ) || ( height > bitmapHeight ) )
{
bitmapWidth = bitmapWidth > width ? bitmapWidth : width;
bitmapHeight = bitmapHeight > height ? bitmapHeight : height;
MemPlotDC->SelectObject( wxNullBitmap );
if ( MemPlotDCBitmap )
delete MemPlotDCBitmap;
MemPlotDCBitmap = new wxBitmap( bitmapWidth, bitmapHeight, -1 );
MemPlotDC->SelectObject( *MemPlotDCBitmap );
}
m_stream->SetSize( width, height );
m_stream->RenewPlot();
m_width = width;
m_height = height;
}
else
{
m_stream->Update();
Refresh( false );
}
}
//! Together with "SetBackgroundStyle( wxBG_STYLE_CUSTOM );" in the constructor this method
// is responsible that the background is not erased in order to prevent flickering.
//
void wxPLplotwindow::OnErase( wxEraseEvent &WXUNUSED( event ) )
{
}
//! Redo the whole plot.
//
void wxPLplotwindow::RenewPlot( void )
{
if ( m_stream )
{
m_stream->RenewPlot();
Refresh( false );
}
}
//! Save plot.
//
bool wxPLplotwindow::SavePlot( const wxString& devname, const wxString& filename )
{
int pls, pls_save;
FILE *sfile;
if ( ( sfile = fopen( filename.mb_str(), "wb+" ) ) == NULL )
{
return false;
}
plgstrm( &pls );
plmkstrm( &pls_save );
if ( pls_save < 0 )
{
fclose( sfile );
return false;
}
plsdev( devname.mb_str() );
plsfile( sfile );
plspage( 0., 0., 800, 600, 0, 0 );
plcpstrm( pls, 0 );
pladv( 0 );
plreplot();
plend1();
plsstrm( pls );
return true;
}
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