X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cd9da200285e3c625be91768c9ca61dc218c94d0..f41bc3e3f3fda37fba548440b230288c5eed0953:/include/wx/msw/dc.h diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h index 2bf3643789..dde2cf4246 100644 --- a/include/wx/msw/dc.h +++ b/include/wx/msw/dc.h @@ -23,58 +23,30 @@ // macros // --------------------------------------------------------------------------- -// Logical to device -// Absolute -#define XLOG2DEV(x) (x) -#define YLOG2DEV(y) (y) - -// Relative -#define XLOG2DEVREL(x) (x) -#define YLOG2DEVREL(y) (y) - -// Device to logical -// Absolute -#define XDEV2LOG(x) (x) - -#define YDEV2LOG(y) (y) - -// Relative -#define XDEV2LOGREL(x) (x) -#define YDEV2LOGREL(y) (y) - +#if wxUSE_DC_CACHEING /* - * Have the same macros as for XView but not for every operation: - * just for calculating window/viewport extent (a better way of scaling). + * Cached blitting, maintaining a cache + * of bitmaps required for transparent blitting + * instead of constant creation/deletion */ -// Logical to device -// Absolute -#define MS_XLOG2DEV(x) LogicalToDevice(x) - -#define MS_YLOG2DEV(y) LogicalToDevice(y) - -// Relative -#define MS_XLOG2DEVREL(x) LogicalToDeviceXRel(x) -#define MS_YLOG2DEVREL(y) LogicalToDeviceYRel(y) - -// Device to logical -// Absolute -#define MS_XDEV2LOG(x) DeviceToLogicalX(x) - -#define MS_YDEV2LOG(y) DeviceToLogicalY(y) - -// Relative -#define MS_XDEV2LOGREL(x) DeviceToLogicalXRel(x) -#define MS_YDEV2LOGREL(y) DeviceToLogicalYRel(y) - -#define YSCALE(y) (yorigin - (y)) - -#define wx_round(a) (int)((a)+.5) +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 { - DECLARE_DYNAMIC_CLASS(wxDC) - public: wxDC(); ~wxDC(); @@ -95,7 +67,9 @@ public: virtual void SetBrush(const wxBrush& brush); virtual void SetBackground(const wxBrush& brush); virtual void SetBackgroundMode(int mode); +#if wxUSE_PALETTE virtual void SetPalette(const wxPalette& palette); +#endif // wxUSE_PALETTE virtual void DestroyClippingRegion(); @@ -125,11 +99,18 @@ public: // -------------------------- virtual void SetRop(WXHDC cdc); - virtual void DoClipping(WXHDC cdc); virtual void SelectOldObjects(WXHDC dc); wxWindow *GetWindow() const { return m_canvas; } - void SetWindow(wxWindow *win) { m_canvas = win; } + void SetWindow(wxWindow *win) + { + m_canvas = win; + +#if wxUSE_PALETTE + // if we have palettes use the correct one for this window + InitializePalette(); +#endif // wxUSE_PALETTE + } WXHDC GetHDC() const { return m_hDC; } void SetHDC(WXHDC dc, bool bOwnsDC = FALSE) @@ -141,8 +122,20 @@ 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, + virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE); virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; @@ -176,7 +169,7 @@ 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 @@ -198,16 +191,26 @@ protected: wxCoord xoffset, wxCoord yoffset, int fillStyle = wxODDEVEN_RULE); -#if wxUSE_SPLINES - virtual void DoDrawSpline(wxList *points); -#endif // wxUSE_SPLINES + +#if wxUSE_PALETTE + // MSW specific, select a logical palette into the HDC + // (tell windows to translate pixel from other palettes to our custom one + // and vice versa) + // Realize tells it to also reset the system palette to this one. + void DoSelectPalette(bool realize = FALSE); + + // Find out what palette our parent window has, then select it into the dc + void InitializePalette(); +#endif // wxUSE_PALETTE // common part of DoDrawText() and DoDrawRotatedText() void DrawAnyText(const wxString& text, wxCoord x, wxCoord y); + // common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion() + void SetClippingHrgn(WXHRGN hrgn); + // MSW-specific member variables - int m_windowExtX; - int m_windowExtY; + // ----------------------------- // the window associated with this DC (may be NULL) wxWindow *m_canvas; @@ -217,10 +220,8 @@ protected: // TRUE => DeleteDC() in dtor, FALSE => only ReleaseDC() it bool m_bOwnsDC:1; - // our HDC and its usage count: we only free it when the usage count drops - // to 0 + // our HDC WXHDC m_hDC; - int m_hDCCount; // Store all old GDI objects when do a SelectObject, so we can select them // back in (this unselecting user's objects) so we can safely delete the @@ -229,7 +230,29 @@ protected: WXHPEN m_oldPen; WXHBRUSH m_oldBrush; WXHFONT m_oldFont; + +#if wxUSE_PALETTE WXHPALETTE m_oldPalette; +#endif // wxUSE_PALETTE + +#if wxUSE_DC_CACHEING + static wxList sm_bitmapCache; + static wxList sm_dcCache; +#endif + + DECLARE_DYNAMIC_CLASS(wxDC) +}; + +// ---------------------------------------------------------------------------- +// wxDCTemp: a wxDC which doesn't free the given HDC (used by wxWindows +// only/mainly) +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxDCTemp : public wxDC +{ +public: + wxDCTemp(WXHDC hdc) { SetHDC(hdc); } + virtual ~wxDCTemp() { SetHDC((WXHDC)NULL); } }; #endif