X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7d09b97f5321d0accd758eb420c008853ad9ec26..1c8e5c51f8a0a547a5183b1443d3ba059b65ce69:/include/wx/msw/dc.h diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h index 1a2e82afbb..bd0fdb87af 100644 --- a/include/wx/msw/dc.h +++ b/include/wx/msw/dc.h @@ -13,6 +13,7 @@ #define _WX_MSW_DC_H_ #include "wx/defs.h" +#include "wx/dc.h" // --------------------------------------------------------------------------- // macros @@ -30,7 +31,7 @@ class wxDCCacheEntry: public wxObject public: wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth); wxDCCacheEntry(WXHDC hDC, int depth); - ~wxDCCacheEntry(); + virtual ~wxDCCacheEntry(); WXHBITMAP m_bitmap; WXHDC m_dc; @@ -42,11 +43,11 @@ public: // this is an ABC: use one of the derived classes to create a DC associated // with a window, screen, printer and so on -class WXDLLEXPORT wxDC : public wxDCBase +class WXDLLEXPORT wxMSWDCImpl: public wxDCImpl { public: - wxDC(WXHDC hDC) { Init(); m_hDC = hDC; } - ~wxDC(); + wxMSWDCImpl(wxDC *owner, WXHDC hDC); + virtual ~wxMSWDCImpl(); // implement base class pure virtuals // ---------------------------------- @@ -72,25 +73,20 @@ public: virtual wxCoord GetCharHeight() const; virtual wxCoord GetCharWidth() const; - virtual void DoGetTextExtent(const wxString& string, - wxCoord *x, wxCoord *y, - wxCoord *descent = NULL, - wxCoord *externalLeading = NULL, - wxFont *theFont = NULL) const; - virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const; virtual bool CanDrawBitmap() const; virtual bool CanGetTextExtent() const; virtual int GetDepth() const; virtual wxSize GetPPI() const; + virtual void SetMapMode(int mode); virtual void SetUserScale(double x, double y); - virtual void SetSystemScale(double x, double y); virtual void SetLogicalScale(double x, double y); virtual void SetLogicalOrigin(wxCoord x, wxCoord y); virtual void SetDeviceOrigin(wxCoord x, wxCoord y); virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); + virtual void SetLogicalFunction(int function); // implementation from now on @@ -99,10 +95,9 @@ public: virtual void SetRop(WXHDC cdc); virtual void SelectOldObjects(WXHDC dc); - wxWindow *GetWindow() const { return m_canvas; } void SetWindow(wxWindow *win) { - m_canvas = win; + m_window = win; #if wxUSE_PALETTE // if we have palettes use the correct one for this window @@ -139,10 +134,17 @@ public: static void ClearCache(); #endif + // RTL related functions + // --------------------- + + // get or change the layout direction (LTR or RTL) for this dc, + // wxLayout_Default is returned if layout direction is not supported + virtual wxLayoutDirection GetLayoutDirection() const; + virtual void SetLayoutDirection(wxLayoutDirection dir); + protected: void Init() { - m_canvas = NULL; m_bOwnsDC = false; m_hDC = NULL; @@ -158,11 +160,26 @@ protected: // create an uninitialized DC: this should be only used by the derived // classes - wxDC() { Init(); } + wxMSWDCImpl( wxDC *owner ) : wxDCImpl( owner ) { Init(); } + + void RealizeScaleAndOrigin(); + +public: + virtual void DoGetTextExtent(const wxString& string, + wxCoord *x, wxCoord *y, + wxCoord *descent = NULL, + wxCoord *externalLeading = NULL, + const wxFont *theFont = NULL) const; + virtual bool DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const; virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE); + virtual void DoGradientFillLinear(const wxRect& rect, + const wxColour& initialColour, + const wxColour& destColour, + wxDirection nDirection = wxEAST); + virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const; virtual void DoDrawPoint(wxCoord x, wxCoord y); @@ -183,7 +200,7 @@ protected: virtual void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height); #if wxUSE_SPLINES - virtual void DoDrawSpline(wxList *points); + virtual void DoDrawSpline(const wxPointList *points); #endif virtual void DoCrossHair(wxCoord x, wxCoord y); @@ -200,6 +217,14 @@ protected: wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord); + virtual bool DoStretchBlit(wxCoord xdest, wxCoord ydest, + wxCoord dstWidth, wxCoord dstHeight, + wxDC *source, + wxCoord xsrc, wxCoord ysrc, + wxCoord srcWidth, wxCoord srcHeight, + int rop = wxCOPY, bool useMask = false, + wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord); + // this is gnarly - we can't even call this function DoSetClippingRegion() // because of virtual function hiding virtual void DoSetClippingRegionAsRegion(const wxRegion& region); @@ -218,6 +243,11 @@ protected: virtual void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle = wxODDEVEN_RULE); + virtual wxBitmap DoGetAsBitmap(const wxRect *subrect) const + { + return subrect == NULL ? GetSelectedBitmap() + : GetSelectedBitmap().GetSubBitmap(*subrect); + } #if wxUSE_PALETTE @@ -231,6 +261,7 @@ protected: void InitializePalette(); #endif // wxUSE_PALETTE +protected: // common part of DoDrawText() and DoDrawRotatedText() void DrawAnyText(const wxString& text, wxCoord x, wxCoord y); @@ -275,12 +306,12 @@ protected: #endif // wxUSE_PALETTE #if wxUSE_DC_CACHEING - static wxList sm_bitmapCache; - static wxList sm_dcCache; + static wxObjectList sm_bitmapCache; + static wxObjectList sm_dcCache; #endif - DECLARE_DYNAMIC_CLASS(wxDC) - DECLARE_NO_COPY_CLASS(wxDC) + DECLARE_CLASS(wxMSWDCImpl) + DECLARE_NO_COPY_CLASS(wxMSWDCImpl) }; // ---------------------------------------------------------------------------- @@ -288,14 +319,18 @@ protected: // only/mainly) // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxDCTemp : public wxDC +class WXDLLEXPORT wxDCTempImpl : public wxMSWDCImpl { public: - wxDCTemp(WXHDC hdc) : wxDC(hdc) + // construct a temporary DC with the specified HDC and size (it should be + // specified whenever we know it for this HDC) + wxDCTempImpl(wxDC *owner, WXHDC hdc, const wxSize& size ) + : wxMSWDCImpl( owner, hdc ), + m_size(size) { } - virtual ~wxDCTemp() + virtual ~wxDCTempImpl() { // prevent base class dtor from freeing it SetHDC((WXHDC)NULL); @@ -303,16 +338,30 @@ public: virtual void DoGetSize(int *w, int *h) const { - wxFAIL_MSG( _T("no way to retrieve the size of generic DC") ); + wxASSERT_MSG( m_size.IsFullySpecified(), + _T("size of this DC hadn't been set and is unknown") ); if ( w ) - *w = 0; + *w = m_size.x; if ( h ) - *h = 0; + *h = m_size.y; } private: - DECLARE_NO_COPY_CLASS(wxDCTemp) + // size of this DC must be explicitly set by SetSize() as we have no way to + // find it ourselves + const wxSize m_size; + + DECLARE_NO_COPY_CLASS(wxDCTempImpl) +}; + +class WXDLLEXPORT wxDCTemp : public wxDC +{ +public: + wxDCTemp(WXHDC hdc, const wxSize& size = wxDefaultSize) + : wxDC(new wxDCTempImpl(this, hdc, size)) + { + } }; #endif // _WX_MSW_DC_H_