X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7561aacd5e3bcd5f98f4cdadcec5e94d1550b369..7946d7deaac081a745dc616a5eb13ae864865fa2:/include/wx/msw/dc.h diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h index 4d53cb7205..50e310c902 100644 --- a/include/wx/msw/dc.h +++ b/include/wx/msw/dc.h @@ -71,6 +71,28 @@ #define wx_round(a) (int)((a)+.5) +#if wxUSE_DC_CACHEING +/* + * Cached blitting, maintaining a cache + * of bitmaps required for transparent blitting + * instead of constant creation/deletion + */ + +class wxDCCacheEntry: public wxObject +{ +public: + wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth); + wxDCCacheEntry(WXHDC hDC, int depth); + ~wxDCCacheEntry(); + + WXHBITMAP m_bitmap; + WXHDC m_dc; + int m_width; + int m_height; + int m_depth; +}; +#endif + class WXDLLEXPORT wxDC : public wxDCBase { public: @@ -138,6 +160,18 @@ public: const wxBitmap& GetSelectedBitmap() const { return m_selectedBitmap; } wxBitmap& GetSelectedBitmap() { return m_selectedBitmap; } + // update the internal clip box variables + void UpdateClipBox(); + +#if wxUSE_DC_CACHEING + static wxDCCacheEntry* FindBitmapInCache(WXHDC hDC, int w, int h); + static wxDCCacheEntry* FindDCInCache(wxDCCacheEntry* notThis, WXHDC hDC); + + static void AddToBitmapCache(wxDCCacheEntry* entry); + static void AddToDCCache(wxDCCacheEntry* entry); + static void ClearCache(); +#endif + protected: virtual void DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE); @@ -173,7 +207,7 @@ protected: virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC *source, wxCoord xsrc, wxCoord ysrc, - int rop = wxCOPY, bool useMask = FALSE); + int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1); // this is gnarly - we can't even call this function DoSetClippingRegion() // because of virtual function hiding @@ -223,6 +257,11 @@ protected: WXHFONT m_oldFont; WXHPALETTE m_oldPalette; +#if wxUSE_DC_CACHEING + static wxList sm_bitmapCache; + static wxList sm_dcCache; +#endif + DECLARE_DYNAMIC_CLASS(wxDC) };