X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/586f402336c1054be3fef592b9a7109e85170d95..38534f596974042130716a26276e9564b0b72295:/interface/wx/dc.h?ds=sidebyside diff --git a/interface/wx/dc.h b/interface/wx/dc.h index e8e54c4526..49e0f0efc0 100644 --- a/interface/wx/dc.h +++ b/interface/wx/dc.h @@ -73,7 +73,7 @@ enum wxMappingMode wxMM_TWIPS, /** - Each logical unit is a @e "printer point" i.e. 1/72 of an inch. + Each logical unit is a @e "printer point" i.e.\ 1/72 of an inch. Equivalent to about 353 micrometers. */ wxMM_POINTS @@ -413,7 +413,7 @@ public: Not supported by wxPerl. @endWxPerlOnly */ - void DrawLines(int n, wxPoint points[], wxCoord xoffset = 0, + void DrawLines(int n, const wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0); /** This method uses a list of wxPoints, adding the optional offset @@ -455,7 +455,7 @@ public: Not supported by wxPerl. @endWxPerlOnly */ - void DrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, + void DrawPolygon(int n, const wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, wxPolygonFillMode fill_style = wxODDEVEN_RULE); /** @@ -504,7 +504,7 @@ public: the DrawPolygon() member function, the polygons created by this method are not closed automatically. */ - void DrawPolyPolygon(int n, int count[], wxPoint points[], + void DrawPolyPolygon(int n, const int count[], const wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, wxPolygonFillMode fill_style = wxODDEVEN_RULE); @@ -579,7 +579,7 @@ public: Not supported by wxPerl. @endWxPerlOnly */ - void DrawSpline(int n, wxPoint points[]); + void DrawSpline(int n, const wxPoint points[]); /** @overload @@ -678,6 +678,9 @@ public: - wxFLOOD_BORDER: The area to be flooded is bounded by the given colour. + Currently this method is not implemented in wxOSX and does nothing + there. + @return @false if the operation failed. @note The present implementation for non-Windows platforms may fail to @@ -1413,7 +1416,7 @@ public: bool IsOk() const; /** - Sets the x and y axis orientation (i.e., the direction from lowest to + Sets the x and y axis orientation (i.e.\ the direction from lowest to highest values on the axis). The default orientation is x axis from left to right and y axis from top down. @@ -1427,7 +1430,7 @@ public: void SetAxisOrientation(bool xLeftRight, bool yBottomUp); /** - Sets the device origin (i.e., the origin in pixels after scaling has + Sets the device origin (i.e.\ the origin in pixels after scaling has been applied). This function may be useful in Windows printing operations for placing a graphic on a page. */ @@ -1534,6 +1537,45 @@ public: //@} + + /** + @name query capabilities + */ + //@{ + + /** + Does the DC support drawing bitmaps? + */ + bool CanDrawBitmap() const; + + /** + Does the DC supoprt calculating the size required to draw text? + */ + bool CanGetTextExtent() const; + + //@} + + /** + Returns a value that can be used as a handle to the native drawing + context, if this wxDC has something that could be thought of in that + way. (Not all of them do.) + + For example, on Windows the return value is an HDC, on OSX it is a + CGContextRef and on wxGTK it will be a GdkDrawable. If the DC is a + wxGCDC then the return value will be the value returned from + wxGraphicsContext::GetNativeContext. A value of NULL is returned if + the DC does not have anything that fits the handle concept. + + @since 2.9.5 + */ + void* GetHandle() const; + + + /** + If supported by the platform and the type of DC, fetch the contents of the DC, or a subset of it, as a bitmap. + */ + wxBitmap GetAsBitmap(const wxRect *subrect = NULL) const; + void SetLogicalScale(double x, double y); void GetLogicalScale(double *x, double *y) const;