C++ (Cpp) PCB_SCREEN::GetCurItem Examples

Example #1

File: dimension.cpp Project: jerkey/kicad

static void BuildDimension( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
                           const wxPoint& aPosition, bool aErase )
{
    PCB_SCREEN* screen   = (PCB_SCREEN*) aPanel->GetScreen();
    DIMENSION*  Dimension = (DIMENSION*) screen->GetCurItem();
    wxPoint     pos = aPanel->GetParent()->GetCrossHairPosition();

    if( Dimension == NULL )
        return;

    // Erase previous dimension.
    if( aErase )
    {
        Dimension->Draw( aPanel, aDC, GR_XOR );
    }

    Dimension->SetLayer( screen->m_Active_Layer );

    if( status_dimension == 1 )
    {
        Dimension->m_featureLineDO = pos;
        Dimension->m_crossBarF  = Dimension->m_featureLineDO;
        Dimension->AdjustDimensionDetails( );
    }
    else
    {
        wxPoint delta;
        int dx, dy;
        double angle, depl;
        delta = Dimension->m_featureLineDO - Dimension->m_featureLineGO;

        /* Calculating the direction of travel perpendicular to the selected axis. */
        angle = atan2( delta.y, delta.x ) + (M_PI / 2);

        delta = pos - Dimension->m_featureLineDO;
        depl   = ( delta.x * cos( angle ) ) + ( delta.y * sin( angle ) );
        dx = KiROUND( depl * cos( angle ) );
        dy = KiROUND( depl * sin( angle ) );
        Dimension->m_crossBarO.x = Dimension->m_featureLineGO.x + dx;
        Dimension->m_crossBarO.y = Dimension->m_featureLineGO.y + dy;
        Dimension->m_crossBarF.x = Dimension->m_featureLineDO.x + dx;
        Dimension->m_crossBarF.y = Dimension->m_featureLineDO.y + dy;

        Dimension->AdjustDimensionDetails( );
    }

    Dimension->Draw( aPanel, aDC, GR_XOR );
}