int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = getView();
EDA_DRAW_PANEL_GAL* galCanvas = m_frame->GetGalCanvas();
BOARD* board = getModel<BOARD>();
board->ComputeBoundingBox();
BOX2I boardBBox = board->ViewBBox();
VECTOR2D scrollbarSize = VECTOR2D( galCanvas->GetSize() - galCanvas->GetClientSize() );
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
if( boardBBox.GetWidth() == 0 || boardBBox.GetHeight() == 0 )
{
// Empty view
view->SetScale( 17.0 ); // works fine for the standard worksheet frame
view->SetCenter( screenSize / 2.0 );
}
else
{
VECTOR2D vsize = boardBBox.GetSize();
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
view->SetScale( scale );
view->SetCenter( boardBBox.Centre() );
}
// Take scrollbars into account
VECTOR2D worldScrollbarSize = view->ToWorld( scrollbarSize, false );
view->SetCenter( view->GetCenter() + worldScrollbarSize / 2.0 );
return 0;
}
void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
{
KIGFX::VIEW* view = GetGalCanvas()->GetView();
KIGFX::GAL* gal = GetGalCanvas()->GetGAL();
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
// Display the same view after canvas switching
if( aEnable )
{
BASE_SCREEN* screen = GetScreen();
// Switch to GAL rendering
if( !IsGalCanvasActive() )
{
// Set up viewport
double zoom = 1.0 / ( zoomFactor * m_canvas->GetZoom() );
view->SetScale( zoom );
view->SetCenter( VECTOR2D( m_canvas->GetScreenCenterLogicalPosition() ) );
}
// Set up grid settings
gal->SetGridVisibility( IsGridVisible() );
gal->SetGridSize( VECTOR2D( screen->GetGridSize().x, screen->GetGridSize().y ) );
gal->SetGridOrigin( VECTOR2D( GetGridOrigin() ) );
}
else
{
// Switch to standard rendering
if( IsGalCanvasActive() )
{
// Change view settings only if GAL was active previously
double zoom = 1.0 / ( zoomFactor * view->GetScale() );
m_canvas->SetZoom( zoom );
VECTOR2D center = view->GetCenter();
RedrawScreen( wxPoint( center.x, center.y ), false );
}
}
m_canvas->SetEvtHandlerEnabled( !aEnable );
GetGalCanvas()->SetEvtHandlerEnabled( aEnable );
// Switch panes
m_auimgr.GetPane( wxT( "DrawFrame" ) ).Show( !aEnable );
m_auimgr.GetPane( wxT( "DrawFrameGal" ) ).Show( aEnable );
m_auimgr.Update();
// Reset current tool on switch();
SetToolID( ID_NO_TOOL_SELECTED, wxCURSOR_DEFAULT, wxEmptyString );
m_galCanvasActive = aEnable;
}
void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
{
KIGFX::VIEW* view = GetGalCanvas()->GetView();
KIGFX::GAL* gal = GetGalCanvas()->GetGAL();
// Display the same view after canvas switching
if( aEnable )
{
// Switch to GAL renderer from legacy
if( !m_galCanvasActive )
{
// Set up viewport
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
double zoom = 1.0 / ( zoomFactor * m_canvas->GetZoom() );
view->SetScale( zoom );
view->SetCenter( VECTOR2D( m_canvas->GetScreenCenterLogicalPosition() ) );
}
// Set up grid settings
gal->SetGridVisibility( IsGridVisible() );
gal->SetGridSize( VECTOR2D( GetScreen()->GetGridSize() ) );
gal->SetGridOrigin( VECTOR2D( GetGridOrigin() ) );
// Transfer EDA_DRAW_PANEL settings
GetGalCanvas()->GetViewControls()->EnableCursorWarping( !m_canvas->GetEnableZoomNoCenter() );
GetGalCanvas()->GetViewControls()->EnableMousewheelPan( m_canvas->GetEnableMousewheelPan() );
GetGalCanvas()->GetViewControls()->EnableAutoPan( m_canvas->GetEnableAutoPan() );
}
else if( m_galCanvasActive )
{
// Switch to legacy renderer from GAL
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
// TODO replace it with EDA_DRAW_PANEL_GAL::GetLegacyZoom
m_canvas->SetZoom( 1.0 / ( zoomFactor * view->GetScale() ) );
VECTOR2D center = view->GetCenter();
AdjustScrollBars( wxPoint( center.x, center.y ) );
}
m_canvas->SetEvtHandlerEnabled( !aEnable );
GetGalCanvas()->SetEvtHandlerEnabled( aEnable );
// Switch panes
m_auimgr.GetPane( wxT( "DrawFrame" ) ).Show( !aEnable );
m_auimgr.GetPane( wxT( "DrawFrameGal" ) ).Show( aEnable );
m_auimgr.Update();
// Reset current tool on switch();
SetNoToolSelected();
m_galCanvasActive = aEnable;
}
int PCBNEW_CONTROL::ZoomInOutCenter( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = getView();
double zoomScale = 1.0;
if( aEvent.IsAction( &COMMON_ACTIONS::zoomInCenter ) )
zoomScale = 1.3;
else if( aEvent.IsAction( &COMMON_ACTIONS::zoomOutCenter ) )
zoomScale = 0.7;
view->SetScale( view->GetScale() * zoomScale );
return 0;
}
int PCBNEW_CONTROL::ZoomInOut( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
double zoomScale = 1.0;
if( aEvent.IsAction( &COMMON_ACTIONS::zoomIn ) )
zoomScale = 1.3;
else if( aEvent.IsAction( &COMMON_ACTIONS::zoomOut ) )
zoomScale = 0.7;
view->SetScale( view->GetScale() * zoomScale, getViewControls()->GetCursorPosition() );
return 0;
}
const wxString EDA_DRAW_FRAME::GetZoomLevelIndicator() const
{
wxString Line;
double level = 0.0;
if( IsGalCanvasActive() )
{
KIGFX::GAL* gal = m_galCanvas->GetGAL();
KIGFX::VIEW* view = m_galCanvas->GetView();
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
level = m_zoomLevelCoeff * zoomFactor * view->GetScale();
}
else if( BASE_SCREEN* screen = GetScreen() )
{
level = m_zoomLevelCoeff / (double) screen->GetZoom();
}
// returns a human readable value which can be displayed as zoom
// level indicator in dialogs.
Line.Printf( wxT( "Z %.2f" ), level );
return Line;
}
