include/wx/generic/private/textmeasure.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/private/textmeasure.h
   3 // Purpose:     Generic wxTextMeasure declaration.
   4 // Author:      Vadim Zeitlin
   5 // Created:     2012-10-17
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 1997-2012 wxWidgets team
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GENERIC_PRIVATE_TEXTMEASURE_H_
  12 #define _WX_GENERIC_PRIVATE_TEXTMEASURE_H_
  13
  14 // ----------------------------------------------------------------------------
  15 // wxTextMeasure for the platforms without native support.
  16 // ----------------------------------------------------------------------------
  17
  18 class wxTextMeasure : public wxTextMeasureBase
  19 {
  20 public:
  21     wxEXPLICIT wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
  22         : wxTextMeasureBase(dc, font) {}
  23     wxEXPLICIT wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
  24         : wxTextMeasureBase(win, font) {}
  25
  26 protected:
  27     virtual void DoGetTextExtent(const wxString& string,
  28                                wxCoord *width,
  29                                wxCoord *height,
  30                                wxCoord *descent = NULL,
  31                                wxCoord *externalLeading = NULL);
  32
  33     virtual bool DoGetPartialTextExtents(const wxString& text,
  34                                          wxArrayInt& widths,
  35                                          double scaleX);
  36
  37     wxDECLARE_NO_COPY_CLASS(wxTextMeasure);
  38 };
  39
  40 #endif // _WX_GENERIC_PRIVATE_TEXTMEASURE_H_