X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/403695b3236ce0ccca5ba7493736926566c9addc..82b30473f935d7ffe21a165aa8ef63e16599c3fc:/interface/wx/dc.h diff --git a/interface/wx/dc.h b/interface/wx/dc.h index 32b986bd1e..eeeb907f6d 100644 --- a/interface/wx/dc.h +++ b/interface/wx/dc.h @@ -163,6 +163,17 @@ struct wxFontMetrics wxColour use the colour's alpha values when stroking or filling. + @section Support for Transformation Matrix + + On some platforms (currently only under MSW and only on Windows NT, i.e. + not Windows 9x/ME, systems) wxDC has support for applying an arbitrary + affine transformation matrix to its coordinate system. Call + CanUseTransformMatrix() to check if this support is available and then call + SetTransformMatrix() if it is. If the transformation matrix is not + supported, SetTransformMatrix() always simply returns false and doesn't do + anything. + + @library{wxcore} @category{dc,gdi} @@ -369,7 +380,7 @@ public: character with the given index if it is != -1 and return the bounding rectangle if required. */ - void DrawLabel(const wxString& text, const wxBitmap& image, + void DrawLabel(const wxString& text, const wxBitmap& bitmap, const wxRect& rect, int alignment = wxALIGN_LEFT | wxALIGN_TOP, int indexAccel = -1, wxRect* rectBounding = NULL); @@ -550,7 +561,7 @@ public: /** @overload */ - void DrawRotatedText(const wxString& text, const wxPoint&, + void DrawRotatedText(const wxString& text, const wxPoint& point, double angle); /** @@ -704,7 +715,7 @@ public: @overload */ bool FloodFill(const wxPoint& pt, const wxColour& col, - int style = wxFLOOD_SURFACE); + wxFloodFillStyle style = wxFLOOD_SURFACE); /** Displays a cross hair using the current pen. This is a vertical and @@ -1499,6 +1510,66 @@ public: 'zooming'. */ void SetUserScale(double xScale, double yScale); + + + /** + @name Transformation matrix + + See the notes about the availability of these functions in the class + documentation. + */ + //@{ + + /** + Check if the use of transformation matrix is supported by the current + system. + + Currently this function always returns @false for non-MSW platforms and + may return @false for old (Windows 9x/ME) Windows systems. Normally + support for the transformation matrix is always available in any + relatively recent Windows versions. + + @since 2.9.2 + */ + bool CanUseTransformMatrix() const; + + /** + Set the transformation matrix. + + If transformation matrix is supported on the current system, the + specified @a matrix will be used to transform between wxDC and physical + coordinates. Otherwise the function returns @false and doesn't change + the coordinate mapping. + + @since 2.9.2 + */ + bool SetTransformMatrix(const wxAffineMatrix2D& matrix); + + /** + Return the transformation matrix used by this device context. + + By default the transformation matrix is the identity matrix. + + @since 2.9.2 + */ + wxAffineMatrix2D GetTransformMatrix() const; + + /** + Revert the transformation matrix to identity matrix. + + @since 2.9.2 + */ + void ResetTransformMatrix(); + + //@} + + + void SetLogicalScale(double x, double y); + void GetLogicalScale(double *x, double *y) const; + void SetLogicalOrigin(wxCoord x, wxCoord y); + void GetLogicalOrigin(wxCoord *x, wxCoord *y) const; + wxPoint GetLogicalOrigin() const; + }; @@ -1541,7 +1612,7 @@ public: The clipping region is automatically unset when this object is destroyed. */ - wxDCClipper(wxDC& dc, const wxRegion& r); + wxDCClipper(wxDC& dc, const wxRegion& region); wxDCClipper(wxDC& dc, const wxRect& rect); wxDCClipper(wxDC& dc, wxCoord x, wxCoord y, wxCoord w, wxCoord h); //@}