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wxWidgets/src/generic/textmeasure.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: src/generic/textmeasure.cpp
// Purpose:
// Author: Vadim Zeitlin
// Created: 2012-10-17
// Copyright: (c) 2012 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/window.h"
#include "wx/dc.h"
#endif //WX_PRECOMP
#include "wx/private/textmeasure.h"
#if wxUSE_GENERIC_TEXTMEASURE
// ============================================================================
// wxTextMeasure generic implementation
// ============================================================================
// We assume that the ports not providing platform-specific wxTextMeasure
// implementation implement the corresponding functions in their wxDC and
// wxWindow classes, so forward back to them instead of using wxTextMeasure
// from there, as usual.
void wxTextMeasure::DoGetTextExtent(const wxString& string,
wxCoord *width,
wxCoord *height,
wxCoord *descent,
wxCoord *externalLeading)
{
if ( m_dc )
{
m_dc->GetTextExtent(string, width, height,
descent, externalLeading, m_font);
}
else if ( m_win )
{
m_win->GetTextExtent(string, width, height,
descent, externalLeading, m_font);
}
//else: we already asserted in the ctor, don't do it any more
}
bool wxTextMeasure::DoGetPartialTextExtents(const wxString& text,
wxArrayInt& widths,
double scaleX)
{
return wxTextMeasureBase::DoGetPartialTextExtents(text, widths, scaleX);
}
#endif // wxUSE_GENERIC_TEXTMEASURE