kicad/common/drawpanel_gal.cpp

196 lines
5.4 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <wx/wx.h>
#include <wx/frame.h>
#include <wx/window.h>
#include <wx/event.h>
#include <wx/colour.h>
#include <wx/filename.h>
#include <class_drawpanel_gal.h>
#include <view/view.h>
#include <view/wx_view_controls.h>
#include <pcb_painter.h>
#include <gal/graphics_abstraction_layer.h>
#include <gal/opengl/opengl_gal.h>
#include <gal/cairo/cairo_gal.h>
#ifdef __WXDEBUG__
#include <profile.h>
#endif /* __WXDEBUG__ */
#define METRIC_UNIT_LENGTH (1e9)
EDA_DRAW_PANEL_GAL::EDA_DRAW_PANEL_GAL( wxWindow* aParentWindow, wxWindowID aWindowId,
const wxPoint& aPosition, const wxSize& aSize,
GalType aGalType ) :
wxWindow( aParentWindow, aWindowId, aPosition, aSize )
{
m_gal = NULL;
m_currentGal = GAL_TYPE_NONE;
m_view = NULL;
m_painter = NULL;
SwitchBackend( aGalType, true );
SetBackgroundStyle( wxBG_STYLE_CUSTOM );
// Initial display settings
m_gal->SetLookAtPoint( VECTOR2D( 0, 0 ) );
m_gal->SetZoomFactor( 1.0 );
m_gal->ComputeWorldScreenMatrix();
m_painter = new KiGfx::PCB_PAINTER( m_gal );
m_view = new KiGfx::VIEW( true );
m_view->SetPainter( m_painter );
m_view->SetGAL( m_gal );
// View uses layers to display EDA_ITEMs (item may be displayed on several layers, for example
// pad may be shown on pad, pad hole and solder paste layers). There are usual copper layers
// (eg. F.Cu, B.Cu, internal and so on) and layers for displaying objects such as texts,
// silkscreen, pads, vias, etc.
for( int i = 0; i < TOTAL_LAYER_COUNT; i++ )
{
m_view->AddLayer( i );
}
m_viewControls = new KiGfx::WX_VIEW_CONTROLS( m_view, this );
Connect( wxEVT_PAINT, wxPaintEventHandler( EDA_DRAW_PANEL_GAL::onPaint ), NULL, this );
Connect( wxEVT_SIZE, wxSizeEventHandler( EDA_DRAW_PANEL_GAL::onSize ), NULL, this );
m_timeStamp = 0;
}
EDA_DRAW_PANEL_GAL::~EDA_DRAW_PANEL_GAL()
{
if( m_painter )
delete m_painter;
if( m_viewControls )
delete m_viewControls;
if( m_view )
delete m_view;
if( m_gal )
delete m_gal;
}
void EDA_DRAW_PANEL_GAL::onPaint( wxPaintEvent& WXUNUSED( aEvent ) )
{
Refresh();
}
void EDA_DRAW_PANEL_GAL::onSize( wxSizeEvent& aEvent )
{
m_gal->ResizeScreen( aEvent.GetSize().x, aEvent.GetSize().y );
}
void EDA_DRAW_PANEL_GAL::Refresh( bool eraseBackground, const wxRect* rect )
{
const unsigned int FPS_LIMIT = 40;
// Framerate limiter
wxLongLong currentTimeStamp = wxGetLocalTimeMillis();
if( currentTimeStamp - m_timeStamp < ( 1000 / FPS_LIMIT ) )
return;
m_timeStamp = currentTimeStamp;
#ifdef __WXDEBUG__
prof_counter time;
prof_start( &time, false );
#endif /* __WXDEBUG__ */
m_gal->BeginDrawing();
m_gal->SetBackgroundColor( KiGfx::COLOR4D( 0, 0, 0, 1.0 ) );
m_gal->ClearScreen();
m_gal->DrawGrid();
m_view->Redraw();
m_gal->EndDrawing();
#ifdef __WXDEBUG__
prof_end( &time );
wxLogDebug( wxT( "EDA_DRAW_PANEL_GAL::Refresh: %.0f ms (%.0f fps)" ),
static_cast<double>( time.value ) / 1000.0, 1000000.0 / static_cast<double>( time.value ) );
#endif /* __WXDEBUG__ */
}
void EDA_DRAW_PANEL_GAL::SwitchBackend( GalType aGalType, bool aUseShaders )
{
wxLogDebug( wxT( "EDA_DRAW_PANEL_GAL::SwitchBackend: using shaders: %s" ),
aUseShaders ? "true" : "false" );
// Do not do anything if the currently used GAL is correct
if( aGalType == m_currentGal && aUseShaders == m_useShaders && m_gal != NULL )
return;
delete m_gal;
switch( aGalType )
{
case GAL_TYPE_OPENGL:
m_gal = new KiGfx::OPENGL_GAL( this, this, this, aUseShaders );
break;
case GAL_TYPE_CAIRO:
m_gal = new KiGfx::CAIRO_GAL( this, this, this );
break;
case GAL_TYPE_NONE:
return;
}
m_gal->SetWorldUnitLength( 1.0 / METRIC_UNIT_LENGTH * 2.54 ); // 1 inch in nanometers
m_gal->SetScreenDPI( 106 ); // Display resolution setting
m_gal->ComputeWorldScreenMatrix();
if( m_painter )
m_painter->SetGAL( m_gal );
if( m_view )
{
m_view->SetGAL( m_gal );
m_view->RecacheAllItems( true );
}
wxSize size = GetClientSize();
m_gal->ResizeScreen( size.GetX(), size.GetY() );
m_currentGal = aGalType;
m_useShaders = aUseShaders;
}