Add wx headers and ext

wxheaders/wx/generic/private/textmeasure.h

@@ -0,0 +1,39 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/private/textmeasure.h
+// Purpose:     Generic wxTextMeasure declaration.
+// Author:      Vadim Zeitlin
+// Created:     2012-10-17
+// Copyright:   (c) 1997-2012 wxWidgets team
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GENERIC_PRIVATE_TEXTMEASURE_H_
+#define _WX_GENERIC_PRIVATE_TEXTMEASURE_H_
+
+// ----------------------------------------------------------------------------
+// wxTextMeasure for the platforms without native support.
+// ----------------------------------------------------------------------------
+
+class wxTextMeasure : public wxTextMeasureBase
+{
+public:
+    explicit wxTextMeasure(const wxDC *dc, const wxFont *font = NULL)
+        : wxTextMeasureBase(dc, font) {}
+    explicit wxTextMeasure(const wxWindow *win, const wxFont *font = NULL)
+        : wxTextMeasureBase(win, font) {}
+
+protected:
+    virtual void DoGetTextExtent(const wxString& string,
+                               wxCoord *width,
+                               wxCoord *height,
+                               wxCoord *descent = NULL,
+                               wxCoord *externalLeading = NULL) wxOVERRIDE;
+
+    virtual bool DoGetPartialTextExtents(const wxString& text,
+                                         wxArrayInt& widths,
+                                         double scaleX) wxOVERRIDE;
+
+    wxDECLARE_NO_COPY_CLASS(wxTextMeasure);
+};
+
+#endif // _WX_GENERIC_PRIVATE_TEXTMEASURE_H_