X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d80fb3122fabc3ce5080febba776053a45a0fcb..f321ab7fb40525098cea6594ffbf2daf0186b1a3:/include/wx/dc.h diff --git a/include/wx/dc.h b/include/wx/dc.h index 34ce1abdc2..57e23f8aad 100644 --- a/include/wx/dc.h +++ b/include/wx/dc.h @@ -313,6 +313,11 @@ public: return DoBlit(destPt.x, destPt.y, sz.x, sz.y, source, srcPt.x, srcPt.y, rop, useMask, srcPtMask.x, srcPtMask.y); } + + wxBitmap GetAsBitmap(const wxRect *subrect = (const wxRect *) NULL) const + { + return DoGetAsBitmap(subrect); + } #if wxUSE_SPLINES // TODO: this API needs fixing (wxPointList, why (!const) "wxList *"?) @@ -436,12 +441,26 @@ public: wxFont *theFont = NULL) const { DoGetTextExtent(string, x, y, descent, externalLeading, theFont); } + wxSize GetTextExtent(const wxString& string) const + { + wxCoord w, h; + DoGetTextExtent(string, &w, &h); + return wxSize(w, h); + } + // works for single as well as multi-line strings - virtual void GetMultiLineTextExtent(const wxString& text, + virtual void GetMultiLineTextExtent(const wxString& string, wxCoord *width, wxCoord *height, wxCoord *heightLine = NULL, - wxFont *font = NULL); + wxFont *font = NULL) const; + + wxSize GetMultiLineTextExtent(const wxString& string) const + { + wxCoord w, h; + GetMultiLineTextExtent(string, &w, &h); + return wxSize(w, h); + } // Measure cumulative width of text after each character bool GetPartialTextExtents(const wxString& text, wxArrayInt& widths) const @@ -712,6 +731,8 @@ protected: wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord) = 0; + virtual wxBitmap DoGetAsBitmap(const wxRect *WXUNUSED(subrect)) const { return wxNullBitmap; } + virtual void DoGetSize(int *width, int *height) const = 0; virtual void DoGetSizeMM(int* width, int* height) const = 0; @@ -856,6 +877,10 @@ private: #include "wx/os2/dc.h" #endif +#if wxUSE_GRAPHICS_CONTEXT + #include "wx/dcgraph.h" +#endif + // ---------------------------------------------------------------------------- // helper class: you can use it to temporarily change the DC text colour and // restore it automatically when the object goes out of scope @@ -866,6 +891,11 @@ class WXDLLEXPORT wxDCTextColourChanger public: wxDCTextColourChanger(wxDC& dc) : m_dc(dc), m_colFgOld() { } + wxDCTextColourChanger(wxDC& dc, const wxColour& col) : m_dc(dc) + { + Set(col); + } + ~wxDCTextColourChanger() { if ( m_colFgOld.Ok() ) @@ -964,72 +994,4 @@ private: DECLARE_NO_COPY_CLASS(wxDCClipper) }; -// ---------------------------------------------------------------------------- -// creates an overlay over an existing window, allowing for manipulations like -// rubberbanding etc. this API is not stable yet, not to be used outside wx -// internal code -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxOverlayImpl; -class WXDLLEXPORT wxWindowDC; - -class WXDLLEXPORT wxOverlay -{ -public: - wxOverlay(); - ~wxOverlay(); - - // clears the overlay without restoring the former state - // to be done eg when the window content has been changed and repainted - void Reset(); - -private: - friend class WXDLLEXPORT wxDCOverlay; - - // returns true if it has been setup - bool IsOk(); - - void Init(wxWindowDC* dc, int x , int y , int width , int height); - - void BeginDrawing(wxWindowDC* dc); - - void EndDrawing(wxWindowDC* dc); - - void Clear(wxWindowDC* dc); - - wxOverlayImpl* m_impl; - - bool m_inDrawing; - - - DECLARE_NO_COPY_CLASS(wxOverlay); -}; - -class WXDLLEXPORT wxDCOverlay -{ -public: - // connects this overlay to the corresponding drawing dc, if the overlay is not initialized yet - // this call will do so - wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height); - - // convenience wrapper that behaves the same using the entire area of the dc - wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc); - - // removes the connection between the overlay and the dc - virtual ~wxDCOverlay(); - - // clears the layer, restoring the state at the last init - void Clear(); - -private: - void Init(wxWindowDC *dc, int x , int y , int width , int height); - - wxOverlay& m_overlay; - - wxWindowDC* m_dc; - - - DECLARE_NO_COPY_CLASS(wxDCOverlay); -}; - #endif // _WX_DC_H_BASE_