projects / wxWidgets.git / blame
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|---|---|---|
| 8cd79b7a VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/msw/private/textmeasure.h | |
| 3 | // Purpose: wxMSW-specific declaration of wxTextMeasure class | |
| 4 | // Author: Manuel Martin | |
| 5 | // Created: 2012-10-05 | |
| c70155b8 | 6 | // RCS-ID: $Id: |
| 8cd79b7a VZ |
7 | // Copyright: (c) 1997-2012 wxWidgets team |
| 8 | // Licence: wxWindows licence | |
| 9 | /////////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | #ifndef _WX_MSW_PRIVATE_TEXTMEASURE_H_ | |
| 12 | #define _WX_MSW_PRIVATE_TEXTMEASURE_H_ | |
| 13 | ||
| 14 | #include "wx/msw/wrapwin.h" | |
| 15 | ||
| 16 | // ---------------------------------------------------------------------------- | |
| 17 | // wxTextMeasure for MSW. | |
| 18 | // ---------------------------------------------------------------------------- | |
| 19 | ||
| 20 | class wxTextMeasure : public wxTextMeasureBase | |
| 21 | { | |
| 22 | public: | |
| c94c3a77 | 23 | wxEXPLICIT wxTextMeasure(const wxDC *dc, const wxFont *font = NULL) |
| 8cd79b7a VZ |
24 | : wxTextMeasureBase(dc, font) |
| 25 | { | |
| 26 | Init(); | |
| 27 | } | |
| c94c3a77 VZ |
28 | |
| 29 | wxEXPLICIT wxTextMeasure(const wxWindow *win, const wxFont *font = NULL) | |
| 8cd79b7a VZ |
30 | : wxTextMeasureBase(win, font) |
| 31 | { | |
| 32 | Init(); | |
| 33 | } | |
| 34 | ||
| 35 | protected: | |
| 36 | void Init(); | |
| 37 | ||
| 38 | virtual void BeginMeasuring(); | |
| 39 | virtual void EndMeasuring(); | |
| 40 | ||
| 41 | virtual void DoGetTextExtent(const wxString& string, | |
| 42 | wxCoord *width, | |
| 43 | wxCoord *height, | |
| 44 | wxCoord *descent = NULL, | |
| 45 | wxCoord *externalLeading = NULL); | |
| 46 | ||
| 47 | virtual bool DoGetPartialTextExtents(const wxString& text, | |
| 48 | wxArrayInt& widths, | |
| 49 | double scaleX); | |
| 50 | ||
| 51 | ||
| 52 | ||
| 53 | // We use either the HDC of the provided wxDC or an HDC created for our | |
| 54 | // window. | |
| 55 | HDC m_hdc; | |
| 56 | ||
| 57 | // If we change the font in BeginMeasuring(), we restore it to the old one | |
| 58 | // in EndMeasuring(). | |
| 59 | HFONT m_hfontOld; | |
| 60 | ||
| 61 | wxDECLARE_NO_COPY_CLASS(wxTextMeasure); | |
| 62 | }; | |
| 63 | ||
| 64 | #endif // _WX_MSW_PRIVATE_TEXTMEASURE_H_ |