C++ SCH_EDIT_FRAME::GetCanvas方法代码示例

void DIALOG_LABEL_EDITOR::TextPropertiesAccept( wxCommandEvent& aEvent )
{
    wxString text;
    int      value;

    /* save old text in undo list if not already in edit */
    /* or the label to be edited is part of a block */
    if( m_CurrentText->GetFlags() == 0 ||
        m_Parent->GetScreen()->m_BlockLocate.GetState() != STATE_NO_BLOCK )
        m_Parent->SaveCopyInUndoList( m_CurrentText, UR_CHANGED );

    m_Parent->GetCanvas()->RefreshDrawingRect( m_CurrentText->GetBoundingBox() );

    text = m_textLabel->GetValue();

    if( !text.IsEmpty() )
        m_CurrentText->m_Text = text;
    else if( !m_CurrentText->IsNew() )
    {
        DisplayError( this, _( "Empty Text!" ) );
        return;
    }

    m_CurrentText->SetOrientation( m_TextOrient->GetSelection() );
    text  = m_TextSize->GetValue();
    value = ReturnValueFromString( g_UserUnit, text );
    m_CurrentText->m_Size.x = m_CurrentText->m_Size.y = value;

    if( m_TextShape )
        m_CurrentText->SetShape( m_TextShape->GetSelection() );

    int style = m_TextStyle->GetSelection();

    if( ( style & 1 ) )
        m_CurrentText->m_Italic = 1;
    else
        m_CurrentText->m_Italic = 0;

    if( ( style & 2 ) )
    {
        m_CurrentText->m_Bold  = true;
        m_CurrentText->m_Thickness = GetPenSizeForBold( m_CurrentText->m_Size.x );
    }
    else
    {
        m_CurrentText->m_Bold  = false;
        m_CurrentText->m_Thickness = 0;
    }

    m_Parent->OnModify();

    /* Make the text size as new default size if it is a new text */
    if( m_CurrentText->IsNew() )
        m_Parent->SetDefaultLabelSize( m_CurrentText->m_Size.x );

    m_Parent->GetCanvas()->RefreshDrawingRect( m_CurrentText->GetBoundingBox() );
    m_Parent->GetCanvas()->MoveCursorToCrossHair();
    EndModal( wxID_OK );
}

void DIALOG_LABEL_EDITOR::TextPropertiesAccept( wxCommandEvent& aEvent )
{
    wxString text;
    int      value;

    /* save old text in undo list if not already in edit */
    /* or the label to be edited is part of a block */
    if( m_CurrentText->GetFlags() == 0 ||
        m_Parent->GetScreen()->m_BlockLocate.GetState() != STATE_NO_BLOCK )
        m_Parent->SaveCopyInUndoList( m_CurrentText, UR_CHANGED );

    m_Parent->GetCanvas()->RefreshDrawingRect( m_CurrentText->GetBoundingBox() );

    text = m_textLabel->GetValue();

    if( !text.IsEmpty() )
        m_CurrentText->SetText( text );
    else if( !m_CurrentText->IsNew() )
    {
        DisplayError( this, _( "Empty Text!" ) );
        return;
    }

    m_CurrentText->SetOrientation( m_TextOrient->GetSelection() );
    text  = m_TextSize->GetValue();
    value = ValueFromString( g_UserUnit, text );
    m_CurrentText->SetSize( wxSize( value, value ) );

    if( m_TextShape )
        /// @todo move cast to widget
        m_CurrentText->SetShape( static_cast<PINSHEETLABEL_SHAPE>( m_TextShape->GetSelection() ) );

    int style = m_TextStyle->GetSelection();

    m_CurrentText->SetItalic( ( style & 1 ) );

    if( ( style & 2 ) )
    {
        m_CurrentText->SetBold( true );
        m_CurrentText->SetThickness( GetPenSizeForBold( m_CurrentText->GetSize().x ) );
    }
    else
    {
        m_CurrentText->SetBold( false );
        m_CurrentText->SetThickness( 0 );
    }

    m_Parent->OnModify();

    // Make the text size the new default size ( if it is a new text ):
    if( m_CurrentText->IsNew() )
        SetDefaultTextSize( m_CurrentText->GetSize().x );

    m_Parent->GetCanvas()->RefreshDrawingRect( m_CurrentText->GetBoundingBox() );
    m_Parent->GetCanvas()->MoveCursorToCrossHair();
    EndModal( wxID_OK );
}

void DIALOG_LABEL_EDITOR::OnCancelClick( wxCommandEvent& aEvent )
{
    m_Parent->GetCanvas()->MoveCursorToCrossHair();
    EndModal( wxID_CANCEL );
}

/*
 * This is the real print function: print the active screen
 */
void SCH_PRINTOUT::DrawPage( SCH_SCREEN* aScreen )
{
    int      oldZoom;
    wxPoint  tmp_startvisu;
    wxSize   pageSizeIU;             // Page size in internal units
    wxPoint  old_org;
    EDA_RECT oldClipBox;
    wxRect   fitRect;
    wxDC*    dc = GetDC();
    auto panel = m_parent->GetCanvas();

    wxBusyCursor dummy;

    // Save current scale factor, offsets, and clip box.
    tmp_startvisu = aScreen->m_StartVisu;
    oldZoom = aScreen->GetZoom();
    old_org = aScreen->m_DrawOrg;

    oldClipBox = *panel->GetClipBox();

    // Change clip box to print the whole page.
    #define MAX_VALUE (INT_MAX/2)   // MAX_VALUE is the max we can use in an integer
                                    // and that allows calculations without overflow
    panel->SetClipBox( EDA_RECT( wxPoint( 0, 0 ), wxSize( MAX_VALUE, MAX_VALUE ) ) );

    // Change scale factor and offset to print the whole page.
    bool printReference = m_parent->GetPrintSheetReference();

    pageSizeIU = aScreen->GetPageSettings().GetSizeIU();
    FitThisSizeToPaper( pageSizeIU );
    fitRect = GetLogicalPaperRect();

    wxLogDebug( wxT( "Fit rectangle: x = %d, y = %d, w = %d, h = %d" ),
                fitRect.x, fitRect.y, fitRect.width, fitRect.height );

    // When is the actual paper size does not match the schematic page
    // size, the drawing is not perfectly centered on X or Y axis.
    // Give a draw offset centers the schematic page on the paper draw area
    // Because the sizes are fitted, only an Y or X offset is needed
    // and both are 0 when sizes are identical.
    // Y or Y offset is not null when the X/Y size ratio differs between
    // the actual paper size and the schematic page
    int xoffset = ( fitRect.width - pageSizeIU.x ) / 2;

    // For an obscure reason, OffsetLogicalOrigin creates issues,
    // under some circumstances, when yoffset is not always null
    // and changes from a page to another page
    // This is only a workaround, not a fix
    // see https://bugs.launchpad.net/kicad/+bug/1464773
    // xoffset does not create issues.
#if 0   // FIX ME
    int yoffset = ( fitRect.height - pageSizeIU.y ) / 2;
#else
    // the Y centering will be not perfect, but this is less annoying
    // than a blank page or a buggy centering
    int yoffset = 0;
#endif
    OffsetLogicalOrigin( xoffset, yoffset );

    GRResetPenAndBrush( dc );

    if( m_parent->GetPrintMonochrome() )
        GRForceBlackPen( true );

    aScreen->m_IsPrinting = true;

    COLOR4D bgColor = m_parent->GetDrawBgColor();

    aScreen->Draw( panel, dc, (GR_DRAWMODE) 0 );

    if( printReference )
        m_parent->DrawWorkSheet( dc, aScreen, GetDefaultLineThickness(),
                IU_PER_MILS, aScreen->GetFileName() );

    m_parent->SetDrawBgColor( bgColor );
    aScreen->m_IsPrinting = false;
    panel->SetClipBox( oldClipBox );

    GRForceBlackPen( false );

    aScreen->m_StartVisu = tmp_startvisu;
    aScreen->m_DrawOrg   = old_org;
    aScreen->SetZoom( oldZoom );
}

bool EDA_APP::OnInit()
{
    wxFileName      filename;
    SCH_EDIT_FRAME* frame = NULL;
    bool fileReady = false;

    InitEDA_Appl( wxT( "Eeschema" ), APP_EESCHEMA_T );

    if( argc > 1 )
        filename = argv[1];

    if( filename.IsOk() )
    {
        if( filename.GetExt() != SchematicFileExtension )
            filename.SetExt( SchematicFileExtension );

        if( !wxGetApp().LockFile( filename.GetFullPath() ) )
        {
            DisplayError( NULL, _( "This file is already open." ) );
            return false;
        }

        fileReady = true;
    }

    if( m_Checker && m_Checker->IsAnotherRunning() )
    {
        if( !IsOK( NULL, _( "Eeschema is already running, Continue?" ) ) )
            return false;
    }

    // Give a default colour for all layers
    // (actual color will be initialized by config)
    for( int ii = 0; ii < NB_SCH_LAYERS; ii++ )
        SetLayerColor( DARKGRAY, ii );

    // read current setup and reopen last directory if no filename to open in
    // command line
    bool reopenLastUsedDirectory = argc == 1;
    GetSettings( reopenLastUsedDirectory );

   /* Must be called before creating the main frame in order to
    * display the real hotkeys in menus or tool tips */
    ReadHotkeyConfig( wxT("SchematicFrame"), s_Eeschema_Hokeys_Descr );

    // Create main frame (schematic frame) :
    frame = new SCH_EDIT_FRAME( NULL, wxT( "Eeschema" ), wxPoint( 0, 0 ), wxSize( 600, 400 ) );

    SetTopWindow( frame );
    frame->Show( true );

    CreateServer( frame, KICAD_SCH_PORT_SERVICE_NUMBER );

    frame->Zoom_Automatique( true );

    // Load file specified in the command line:
    if( fileReady )
    {
        if( !filename.GetPath().IsEmpty() )
            // wxSetWorkingDirectory does not like empty paths
            wxSetWorkingDirectory( filename.GetPath() );

        if( frame->LoadOneEEProject( filename.GetFullName(), false ) )
            frame->GetCanvas()->Refresh( true );
    }
    else
    {
        // Read a default config file if no file to load.
        frame->LoadProjectFile( wxEmptyString, true );
        frame->GetCanvas()->Refresh( true );
    }

    return true;
}