void c_histogram_layar::Plot(wxDC & dc, mpWindow & w)
{
if (m_visible)
{
dc.SetPen(m_pen);
wxCoord start_px = m_drawOutsideMargins? 0 : w.GetMarginLeft();
wxCoord end_px = m_drawOutsideMargins? w.GetScrX() : w.GetScrX() - w.GetMarginRight();
wxCoord min_y_px = m_drawOutsideMargins ? 0 : w.GetMarginTop();
wxCoord max_y_px = m_drawOutsideMargins ? w.GetScrY() : w.GetScrY() - w.GetMarginBottom();
wxCoord y0 = w.y2p(0);
wxCoord iy = 0;
for (wxCoord i = start_px; i < end_px; ++i)
{
iy = w.y2p(GetY(w.p2x(i)));
if (m_drawOutsideMargins || (iy >= min_y_px) && (iy <= max_y_px))
dc.DrawLine(i, y0, i, iy);
}
if (!m_name.IsEmpty() && m_showName)
{
dc.SetFont(m_font);
wxCoord tx, ty;
dc.GetTextExtent(m_name, &tx, &ty);
/*if ((m_flags & mpALIGNMASK) == mpALIGN_RIGHT)
tx = (w.GetScrX()>>1) - tx - 8;
else if ((m_flags & mpALIGNMASK) == mpALIGN_CENTER)
tx = -tx/2;
else
tx = -(w.GetScrX()>>1) + 8;
*/
if ((m_flags & mpALIGNMASK) == mpALIGN_RIGHT)
tx = (w.GetScrX() - tx) - w.GetMarginRight() - 8;
else if ((m_flags & mpALIGNMASK) == mpALIGN_CENTER)
tx = ((w.GetScrX() - w.GetMarginRight() - w.GetMarginLeft() - tx) / 2) + w.GetMarginLeft();
else
tx = w.GetMarginLeft() + 8;
dc.DrawText( m_name, tx, w.y2p(GetY(w.p2x(tx))) ); // (wxCoord) ((w.GetPosY() - GetY( (double)tx / w.GetScaleX() + w.GetPosX())) * w.GetScaleY()) );
}
}
}
void CURSOR::Plot( wxDC& aDC, mpWindow& aWindow )
{
if( !m_window )
m_window = &aWindow;
if( !m_visible )
return;
const auto& dataX = m_trace->GetDataX();
const auto& dataY = m_trace->GetDataY();
if( dataX.size() <= 1 )
return;
if( m_updateRequired )
{
m_coords.x = m_trace->s2x( aWindow.p2x( m_dim.x ) );
// Find the closest point coordinates
auto maxXIt = std::upper_bound( dataX.begin(), dataX.end(), m_coords.x );
int maxIdx = maxXIt - dataX.begin();
int minIdx = maxIdx - 1;
// Out of bounds checks
if( minIdx < 0 )
{
minIdx = 0;
maxIdx = 1;
m_coords.x = dataX[0];
}
else if( maxIdx >= (int) dataX.size() )
{
maxIdx = dataX.size() - 1;
minIdx = maxIdx - 1;
m_coords.x = dataX[maxIdx];
}
const double leftX = dataX[minIdx];
const double rightX = dataX[maxIdx];
const double leftY = dataY[minIdx];
const double rightY = dataY[maxIdx];
// Linear interpolation
m_coords.y = leftY + ( rightY - leftY ) / ( rightX - leftX ) * ( m_coords.x - leftX );
m_updateRequired = false;
// Notify the parent window about the changes
wxQueueEvent( aWindow.GetParent(), new wxCommandEvent( EVT_SIM_CURSOR_UPDATE ) );
}
else
{
m_updateRef = true;
}
if( m_updateRef )
{
UpdateReference();
m_updateRef = false;
}
// Line length in horizontal and vertical dimensions
const wxPoint cursorPos( aWindow.x2p( m_trace->x2s( m_coords.x ) ),
aWindow.y2p( m_trace->y2s( m_coords.y ) ) );
wxCoord leftPx = m_drawOutsideMargins ? 0 : aWindow.GetMarginLeft();
wxCoord rightPx = m_drawOutsideMargins ? aWindow.GetScrX() : aWindow.GetScrX() - aWindow.GetMarginRight();
wxCoord topPx = m_drawOutsideMargins ? 0 : aWindow.GetMarginTop();
wxCoord bottomPx = m_drawOutsideMargins ? aWindow.GetScrY() : aWindow.GetScrY() - aWindow.GetMarginBottom();
aDC.SetPen( wxPen( *wxWHITE, 1, m_continuous ? wxPENSTYLE_SOLID : wxPENSTYLE_LONG_DASH ) );
if( topPx < cursorPos.y && cursorPos.y < bottomPx )
aDC.DrawLine( leftPx, cursorPos.y, rightPx, cursorPos.y );
if( leftPx < cursorPos.x && cursorPos.x < rightPx )
aDC.DrawLine( cursorPos.x, topPx, cursorPos.x, bottomPx );
}