X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a1b806b98241ab649c169aaa1f134df85e80fb8b..a7689c49fe02c0c065facf736ab28b19f5997b7c:/include/wx/dc.h?ds=sidebyside diff --git a/include/wx/dc.h b/include/wx/dc.h index 1f1731d4a6..34f58e2662 100644 --- a/include/wx/dc.h +++ b/include/wx/dc.h @@ -43,6 +43,10 @@ class WXDLLIMPEXP_FWD_CORE wxMemoryDC; class WXDLLIMPEXP_FWD_CORE wxPrinterDC; class WXDLLIMPEXP_FWD_CORE wxPrintData; +#if wxUSE_GRAPHICS_CONTEXT +class WXDLLIMPEXP_FWD_CORE wxGraphicsContext; +#endif + // Logical ops enum wxRasterOperationMode { @@ -279,6 +283,8 @@ public: return NULL; } + virtual void* GetHandle() const { return NULL; } + // query dimension, colour deps, resolution virtual void DoGetSize(int *width, int *height) const = 0; @@ -427,8 +433,12 @@ public: // clipping + // Note that this pure virtual method has an implementation that updates + // the values returned by DoGetClippingBox() and so can be called from the + // derived class overridden version if it makes sense (i.e. if the clipping + // box coordinates are not already updated in some other way). virtual void DoSetClippingRegion(wxCoord x, wxCoord y, - wxCoord width, wxCoord height) = 0; + wxCoord w, wxCoord h) = 0; // NB: this function works with device coordinates, not the logical ones! virtual void DoSetDeviceClippingRegion(const wxRegion& region) = 0; @@ -471,7 +481,7 @@ public: } virtual void SetLogicalScale(double x, double y); - virtual void GetLogicalScale(double *x, double *y) + virtual void GetLogicalScale(double *x, double *y) const { if ( x ) *x = m_logicalScaleX; if ( y ) *y = m_logicalScaleY; @@ -512,6 +522,19 @@ public: // this needs to overidden if the axis is inverted virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp); +#ifdef __WXMSW__ + // Native Windows functions using the underlying HDC don't honour GDI+ + // transformations which may be applied to it. Using this function we can + // transform the coordinates manually before passing them to such functions + // (as in e.g. wxRendererMSW code). It doesn't do anything if this is not a + // wxGCDC. + virtual wxRect MSWApplyGDIPlusTransform(const wxRect& r) const + { + return r; + } +#endif // __WXMSW__ + + // --------------------------------------------------------- // the actual drawing API @@ -627,6 +650,13 @@ public: virtual int GetResolution() const { return -1; } +#if wxUSE_GRAPHICS_CONTEXT + virtual wxGraphicsContext* GetGraphicsContext() const + { return NULL; } + virtual void SetGraphicsContext( wxGraphicsContext* WXUNUSED(ctx) ) + {} +#endif + private: wxDC *m_owner; @@ -763,6 +793,9 @@ public: wxWindow *GetWindow() const { return m_pimpl->GetWindow(); } + void *GetHandle() const + { return m_pimpl->GetHandle(); } + bool IsOk() const { return m_pimpl && m_pimpl->IsOk(); } @@ -996,7 +1029,7 @@ public: void SetLogicalScale(double x, double y) { m_pimpl->SetLogicalScale( x, y ); } - void GetLogicalScale(double *x, double *y) + void GetLogicalScale(double *x, double *y) const { m_pimpl->GetLogicalScale( x, y ); } void SetLogicalOrigin(wxCoord x, wxCoord y) @@ -1316,6 +1349,17 @@ public: TempHDC GetTempHDC() { return TempHDC(*this); } #endif // __WXMSW__ +#if wxUSE_GRAPHICS_CONTEXT + virtual wxGraphicsContext* GetGraphicsContext() const + { + return m_pimpl->GetGraphicsContext(); + } + virtual void SetGraphicsContext( wxGraphicsContext* ctx ) + { + m_pimpl->SetGraphicsContext(ctx); + } +#endif + protected: // ctor takes ownership of the pointer wxDC(wxDCImpl *pimpl) : m_pimpl(pimpl) { }