void wxSVGFileDCImpl::Clear()
{
{
wxDCBrushChanger setBackground(*GetOwner(), m_backgroundBrush);
wxDCPenChanger setTransp(*GetOwner(), *wxTRANSPARENT_PEN);
DoDrawRectangle(0, 0, m_width, m_height);
}
NewGraphicsIfNeeded();
}
void wxGCDC::Clear(void)
{
wxCHECK_RET( Ok(), wxT("wxGCDC(cg)::Clear - invalid DC") );
// TODO better implementation / incorporate size info into wxGCDC or context
m_graphicContext->SetBrush( m_backgroundBrush );
wxPen p = *wxTRANSPARENT_PEN;
m_graphicContext->SetPen( p );
DoDrawRectangle( 0, 0, 32000 , 32000 );
m_graphicContext->SetPen( m_pen );
m_graphicContext->SetBrush( m_brush );
}
void wxGCDCImpl::Clear(void)
{
wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::Clear - invalid DC") );
// TODO better implementation / incorporate size info into wxGCDC or context
m_graphicContext->SetBrush( m_backgroundBrush );
wxPen p = *wxTRANSPARENT_PEN;
m_graphicContext->SetPen( p );
wxCompositionMode formerMode = m_graphicContext->GetCompositionMode();
m_graphicContext->SetCompositionMode(wxCOMPOSITION_SOURCE);
DoDrawRectangle( 0, 0, 32000 , 32000 );
m_graphicContext->SetCompositionMode(formerMode);
m_graphicContext->SetPen( m_pen );
m_graphicContext->SetBrush( m_brush );
}
void wxGCDCImpl::Clear(void)
{
wxCHECK_RET( IsOk(), wxT("wxGCDC(cg)::Clear - invalid DC") );
// TODO better implementation / incorporate size info into wxGCDC or context
m_graphicContext->SetBrush( m_backgroundBrush );
wxPen p = *wxTRANSPARENT_PEN;
m_graphicContext->SetPen( p );
wxCompositionMode formerMode = m_graphicContext->GetCompositionMode();
m_graphicContext->SetCompositionMode(wxCOMPOSITION_SOURCE);
// maximum positive coordinate Cairo can handle is 2^23 - 1
DoDrawRectangle(
DeviceToLogicalX(0), DeviceToLogicalY(0),
DeviceToLogicalXRel(0x007fffff), DeviceToLogicalYRel(0x007fffff));
m_graphicContext->SetCompositionMode(formerMode);
m_graphicContext->SetPen( m_pen );
m_graphicContext->SetBrush( m_brush );
}
