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