C++ (Cpp) PCB_SCREEN::GetCrossHairPosition Examples

Example #1

/*
 * Update the status bar information.
 */
void PCB_BASE_FRAME::UpdateStatusBar()
{
    EDA_DRAW_FRAME::UpdateStatusBar();

    if( DisplayOpt.DisplayPolarCood )  // display polar coordinates
    {
        PCB_SCREEN* screen = GetScreen();

        if( !screen )
            return;

        wxString     Line;
        double       theta, ro;

        int dx = screen->GetCrossHairPosition().x - screen->m_O_Curseur.x;
        int dy = screen->GetCrossHairPosition().y - screen->m_O_Curseur.y;

        if( dx==0 && dy==0 )
            theta = 0.0;
        else
            theta = atan2( (double) -dy, (double) dx );

        theta = theta * 180.0 / M_PI;

        ro = sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) );
        wxString formatter;
        switch( g_UserUnit )
        {
        case INCHES:
            formatter = wxT( "Ro %.4f Th %.1f" );
            break;

        case MILLIMETRES:
            formatter = wxT( "Ro %.3f Th %.1f" );
            break;

        case UNSCALED_UNITS:
            formatter = wxT( "Ro %f Th %f" );
            break;
        }

        Line.Printf( formatter, To_User_Unit( g_UserUnit, ro, m_internalUnits ), theta );

        // overwrite the absolute cartesian coordinates
        SetStatusText( Line, 2 );
    }
}

Example #2

File: basepcbframe.cpp Project: james-sakalaukus/kicad

/*
 * Update the status bar information.
 */
void PCB_BASE_FRAME::UpdateStatusBar()
{
    EDA_DRAW_FRAME::UpdateStatusBar();

    PCB_SCREEN* screen = GetScreen();

    if( !screen )
        return;

    int dx;
    int dy;
    double dXpos;
    double dYpos;
    wxString line;
    wxString locformatter;

    if( DisplayOpt.DisplayPolarCood )  // display polar coordinates
    {
        double       theta, ro;

        dx = screen->GetCrossHairPosition().x - screen->m_O_Curseur.x;
        dy = screen->GetCrossHairPosition().y - screen->m_O_Curseur.y;

        if( dx==0 && dy==0 )
            theta = 0.0;
        else
            theta = atan2( (double) -dy, (double) dx );

        theta = theta * 180.0 / M_PI;

        ro = sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) );
        wxString formatter;
        switch( g_UserUnit )
        {
#if defined( USE_PCBNEW_NANOMETRE )
        case INCHES:
            formatter = wxT( "Ro %.6f Th %.1f" );
            break;

        case MILLIMETRES:
            formatter = wxT( "Ro %.6f Th %.1f" );
            break;
#else
        case INCHES:
            formatter = wxT( "Ro %.4f Th %.1f" );
            break;

        case MILLIMETRES:
            formatter = wxT( "Ro %.3f Th %.1f" );
            break;
#endif

        case UNSCALED_UNITS:
            formatter = wxT( "Ro %f Th %f" );
            break;
        }

        line.Printf( formatter, To_User_Unit( g_UserUnit, ro ), theta );

        SetStatusText( line, 3 );
    }

    // Display absolute coordinates:
    dXpos = To_User_Unit( g_UserUnit, screen->GetCrossHairPosition().x );
    dYpos = To_User_Unit( g_UserUnit, screen->GetCrossHairPosition().y );

    if ( g_UserUnit == MILLIMETRES )
    {
        dXpos = RoundTo0( dXpos, 1000.0 );
        dYpos = RoundTo0( dYpos, 1000.0 );
    }

    // The following sadly is an if Eeschema/if Pcbnew
    wxString absformatter;

    switch( g_UserUnit )
    {
#if defined( USE_PCBNEW_NANOMETRES )
    case INCHES:
        absformatter = wxT( "X %.6f  Y %.6f" );
        locformatter = wxT( "dx %.6f  dy %.6f  d %.6f" );
        break;

    case MILLIMETRES:
        absformatter = wxT( "X %.6f  Y %.6f" );
        locformatter = wxT( "dx %.6f  dy %.6f  d %.6f" );
        break;
#else
    case INCHES:
        absformatter = wxT( "X %.4f  Y %.4f" );
        locformatter = wxT( "dx %.4f  dy %.4f  d %.4f" );
        break;

    case MILLIMETRES:
        absformatter = wxT( "X %.3f  Y %.3f" );
        locformatter = wxT( "dx %.3f  dy %.3f  d %.3f" );
        break;
#endif

    case UNSCALED_UNITS:
        absformatter = wxT( "X %f  Y %f" );
        locformatter = wxT( "dx %f  dy %f  d %f" );
        break;
    }

    line.Printf( absformatter, dXpos, dYpos );
    SetStatusText( line, 2 );

    if( !DisplayOpt.DisplayPolarCood )  // display relative cartesian coordinates
    {
        // Display relative coordinates:
        dx = screen->GetCrossHairPosition().x - screen->m_O_Curseur.x;
        dy = screen->GetCrossHairPosition().y - screen->m_O_Curseur.y;
        dXpos = To_User_Unit( g_UserUnit, dx );
        dYpos = To_User_Unit( g_UserUnit, dy );

        if ( g_UserUnit == MILLIMETRES )
        {
            dXpos = RoundTo0( dXpos, 1000.0 );
            dYpos = RoundTo0( dYpos, 1000.0 );
        }

        // We already decided the formatter above
        line.Printf( locformatter, dXpos, dYpos, sqrt( dXpos * dXpos + dYpos * dYpos ) );
        SetStatusText( line, 3 );
    }
}