/************/ /* zoom.cpp */ /************/ /* * Manage zoom, grid step, and auto crop. */ #include "fctsys.h" #include "macros.h" #include "id.h" #include "class_drawpanel.h" #include "class_base_screen.h" #include "wxstruct.h" #include "kicad_device_context.h" #include "hotkeys_basic.h" void EDA_DRAW_FRAME::RedrawScreen( const wxPoint& aCenterPoint, bool aWarpPointer ) { AdjustScrollBars( aCenterPoint ); // Move the mouse cursor to the on grid graphic cursor position if( aWarpPointer ) DrawPanel->MoveCursorToCrossHair(); DrawPanel->Refresh(); DrawPanel->Update(); } /** Redraw the screen with best zoom level and the best centering * that shows all the page or the board */ void EDA_DRAW_FRAME::Zoom_Automatique( bool aWarpPointer ) { BASE_SCREEN * screen = GetScreen(); screen->SetZoom( BestZoom() ); // Set the best zoom and get center point. if( screen->m_FirstRedraw ) screen->SetCrossHairPosition( screen->GetScrollCenterPosition() ); RedrawScreen( screen->GetScrollCenterPosition(), aWarpPointer ); } /** Compute the zoom factor and the new draw offset to draw the * selected area (Rect) in full window screen * @param Rect = selected area to show after zooming */ void EDA_DRAW_FRAME::Window_Zoom( EDA_RECT& Rect ) { double scalex, bestscale; wxSize size; /* Compute the best zoom */ Rect.Normalize(); size = DrawPanel->GetClientSize(); // Use ceil to at least show the full rect scalex = (double) Rect.GetSize().x / size.x; bestscale = (double) Rect.GetSize().y / size.y; bestscale = MAX( bestscale, scalex ); GetScreen()->SetScalingFactor( bestscale ); RedrawScreen( Rect.Centre(), true ); } /** * Function OnZoom * Called from any zoom event (toolbar , hotkey or popup ) */ void EDA_DRAW_FRAME::OnZoom( wxCommandEvent& event ) { if( DrawPanel == NULL ) return; int i; int id = event.GetId(); bool zoom_at_cursor = false; BASE_SCREEN* screen = GetScreen(); wxPoint center = screen->GetScrollCenterPosition(); switch( id ) { case ID_POPUP_ZOOM_IN: zoom_at_cursor = true; center = screen->GetCrossHairPosition(); // fall thru case ID_ZOOM_IN: if( screen->SetPreviousZoom() ) RedrawScreen( center, zoom_at_cursor ); break; case ID_POPUP_ZOOM_OUT: zoom_at_cursor = true; center = screen->GetCrossHairPosition(); // fall thru case ID_ZOOM_OUT: if( screen->SetNextZoom() ) RedrawScreen( center, zoom_at_cursor ); break; case ID_ZOOM_REDRAW: DrawPanel->Refresh(); break; case ID_POPUP_ZOOM_CENTER: center = screen->GetCrossHairPosition(); RedrawScreen( center, true ); break; case ID_ZOOM_PAGE: Zoom_Automatique( false ); break; case ID_POPUP_ZOOM_SELECT: break; case ID_POPUP_CANCEL: DrawPanel->MoveCursorToCrossHair(); break; default: i = id - ID_POPUP_ZOOM_LEVEL_START; if( ( i < 0 ) || ( (size_t) i >= screen->m_ZoomList.GetCount() ) ) { wxLogDebug( wxT( "%s %d: index %d is outside the bounds of the zoom list." ), __TFILE__, __LINE__, i ); return; } if( screen->SetZoom( screen->m_ZoomList[i] ) ) RedrawScreen( center, true ); } UpdateStatusBar(); } /* add the zoom list menu the the MasterMenu. * used in OnRightClick(wxMouseEvent& event) */ void EDA_DRAW_FRAME::AddMenuZoomAndGrid( wxMenu* MasterMenu ) { int maxZoomIds; int zoom; wxString msg; BASE_SCREEN * screen = DrawPanel->GetScreen(); msg = AddHotkeyName( _( "Center" ), m_HotkeysZoomAndGridList, HK_ZOOM_CENTER ); AddMenuItem( MasterMenu, ID_POPUP_ZOOM_CENTER, msg, KiBitmap( zoom_center_on_screen_xpm ) ); msg = AddHotkeyName( _( "Zoom in" ), m_HotkeysZoomAndGridList, HK_ZOOM_IN ); AddMenuItem( MasterMenu, ID_POPUP_ZOOM_IN, msg, KiBitmap( zoom_in_xpm ) ); msg = AddHotkeyName( _( "Zoom out" ), m_HotkeysZoomAndGridList, HK_ZOOM_OUT ); AddMenuItem( MasterMenu, ID_POPUP_ZOOM_OUT, msg, KiBitmap( zoom_out_xpm ) ); msg = AddHotkeyName( _( "Redraw view" ), m_HotkeysZoomAndGridList, HK_ZOOM_REDRAW ); AddMenuItem( MasterMenu, ID_ZOOM_REDRAW, msg, KiBitmap( zoom_redraw_xpm ) ); msg = AddHotkeyName( _( "Zoom auto" ), m_HotkeysZoomAndGridList, HK_ZOOM_AUTO ); AddMenuItem( MasterMenu, ID_ZOOM_PAGE, msg, KiBitmap( zoom_fit_in_page_xpm ) ); wxMenu* zoom_choice = new wxMenu; AddMenuItem( MasterMenu, zoom_choice, ID_POPUP_ZOOM_SELECT, _( "Zoom select" ), KiBitmap( zoom_selection_xpm ) ); zoom = screen->GetZoom(); maxZoomIds = ID_POPUP_ZOOM_LEVEL_END - ID_POPUP_ZOOM_LEVEL_START; maxZoomIds = ( (size_t) maxZoomIds < screen->m_ZoomList.GetCount() ) ? maxZoomIds : screen->m_ZoomList.GetCount(); /* Populate zoom submenu. */ for( int i = 0; i < maxZoomIds; i++ ) { msg.Printf( wxT( "%g" ), screen->m_ZoomList[i] ); zoom_choice->Append( ID_POPUP_ZOOM_LEVEL_START + i, _( "Zoom: " ) + msg, wxEmptyString, wxITEM_CHECK ); if( zoom == screen->m_ZoomList[i] ) zoom_choice->Check( ID_POPUP_ZOOM_LEVEL_START + i, true ); } /* Create grid submenu as required. */ if( screen->GetGridCount() ) { wxMenu* gridMenu = new wxMenu; AddMenuItem( MasterMenu, gridMenu, ID_POPUP_GRID_SELECT, _( "Grid Select" ), KiBitmap( grid_select_xpm ) ); GRID_TYPE tmp; wxRealPoint grid = screen->GetGridSize(); for( size_t i = 0; i < screen->GetGridCount(); i++ ) { tmp = screen->GetGrid( i ); double gridValueInch = To_User_Unit( INCHES, tmp.m_Size.x, m_InternalUnits ); double gridValue_mm = To_User_Unit( MILLIMETRES, tmp.m_Size.x, m_InternalUnits ); if( tmp.m_Id == ID_POPUP_GRID_USER ) { msg = _( "User Grid" ); } else { switch( g_UserUnit ) { case INCHES: msg.Printf( wxT( "%.1f mils, (%.3f mm)" ), gridValueInch * 1000, gridValue_mm ); break; case MILLIMETRES: msg.Printf( wxT( "%.3f mm, (%.1f mils)" ), gridValue_mm, gridValueInch * 1000 ); break; case UNSCALED_UNITS: msg = wxT( "???" ); break; } } gridMenu->Append( tmp.m_Id, msg, wxEmptyString, true ); if( grid == tmp.m_Size ) gridMenu->Check( tmp.m_Id, true ); } } MasterMenu->AppendSeparator(); AddMenuItem( MasterMenu, ID_POPUP_CANCEL, _( "Close" ), KiBitmap( cancel_xpm ) ); }