X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12f5e1e78fe906050ff2fee9529476db332633f0..0dc44cac21e2e00d033eeabb8a4d2dc8d6a4a19f:/interface/wx/dc.h diff --git a/interface/wx/dc.h b/interface/wx/dc.h index ab5adfc09e..391b9ebc70 100644 --- a/interface/wx/dc.h +++ b/interface/wx/dc.h @@ -159,29 +159,29 @@ public: /** Convert device X coordinate to logical coordinate, using the current - mapping mode. + mapping mode, user scale factor, device origin and axis orientation. */ - virtual wxCoord DeviceToLogicalX(wxCoord x); + wxCoord DeviceToLogicalX(wxCoord x) const; /** Convert device X coordinate to relative logical coordinate, using the - current mapping mode but ignoring the x axis orientation. Use this - function for converting a width, for example. + current mapping mode and user scale factor but ignoring the + axis orientation. Use this for converting a width, for example. */ - virtual wxCoord DeviceToLogicalXRel(wxCoord x); + wxCoord DeviceToLogicalXRel(wxCoord x) const; /** Converts device Y coordinate to logical coordinate, using the current - mapping mode. + mapping mode, user scale factor, device origin and axis orientation. */ - virtual wxCoord DeviceToLogicalY(wxCoord y); + wxCoord DeviceToLogicalY(wxCoord y) const; /** Convert device Y coordinate to relative logical coordinate, using the - current mapping mode but ignoring the y axis orientation. Use this - function for converting a height, for example. + current mapping mode and user scale factor but ignoring the + axis orientation. Use this for converting a height, for example. */ - virtual wxCoord DeviceToLogicalYRel(wxCoord y); + wxCoord DeviceToLogicalYRel(wxCoord y) const; /** Draws an arc of a circle, centred on (@a xc, @a yc), with starting @@ -445,10 +445,8 @@ public: the string. See GetTextExtent() for how to get the dimensions of a text string, which can be used to position the text more precisely. - @note Under wxGTK, the current - @ref GetLogicalFunction() "logical function" is used by this - function but it is ignored by wxMSW. Thus, you should avoid using - logical functions with this function in portable programs. + @note The current @ref GetLogicalFunction() "logical function" is + ignored by this function. */ void DrawText(const wxString& text, wxCoord x, wxCoord y); @@ -504,12 +502,12 @@ public: /** Gets the character height of the currently set font. */ - wxCoord GetCharHeight(); + wxCoord GetCharHeight() const; /** Gets the average character width of the currently set font. */ - wxCoord GetCharWidth(); + wxCoord GetCharWidth() const; /** Gets the rectangle surrounding the current clipping region. @@ -551,14 +549,14 @@ public: @see SetLogicalFunction() */ - int GetLogicalFunction(); + int GetLogicalFunction() const; /** Gets the mapping mode for the device context. @see SetMapMode() */ - int GetMapMode(); + int GetMapMode() const; /** Gets the dimensions of the string using the currently selected font. @@ -627,7 +625,7 @@ public: The wxColour value is returned and is not required as a parameter. @endWxPythonOnly */ - bool GetPixel(wxCoord x, wxCoord y, wxColour* colour); + bool GetPixel(wxCoord x, wxCoord y, wxColour* colour) const; /** Returns the resolution of the device in pixels per inch. @@ -766,49 +764,49 @@ public: /** Converts logical X coordinate to device coordinate, using the current - mapping mode. + mapping mode, user scale factor, device origin and axis orientation. */ - virtual wxCoord LogicalToDeviceX(wxCoord x); + wxCoord LogicalToDeviceX(wxCoord x) const; /** Converts logical X coordinate to relative device coordinate, using the - current mapping mode but ignoring the x axis orientation. Use this for - converting a width, for example. + current mapping mode and user scale factor but ignoring the + axis orientation. Use this for converting a width, for example. */ - virtual wxCoord LogicalToDeviceXRel(wxCoord x); + wxCoord LogicalToDeviceXRel(wxCoord x) const; /** Converts logical Y coordinate to device coordinate, using the current - mapping mode. + mapping mode, user scale factor, device origin and axis orientation. */ - virtual wxCoord LogicalToDeviceY(wxCoord y); + wxCoord LogicalToDeviceY(wxCoord y) const; /** Converts logical Y coordinate to relative device coordinate, using the - current mapping mode but ignoring the y axis orientation. Use this for - converting a height, for example. + current mapping mode and user scale factor but ignoring the + axis orientation. Use this for converting a height, for example. */ - virtual wxCoord LogicalToDeviceYRel(wxCoord y); + wxCoord LogicalToDeviceYRel(wxCoord y) const; /** Gets the maximum horizontal extent used in drawing commands so far. */ - wxCoord MaxX(); + wxCoord MaxX() const; /** Gets the maximum vertical extent used in drawing commands so far. */ - wxCoord MaxY(); + wxCoord MaxY() const; /** Gets the minimum horizontal extent used in drawing commands so far. */ - wxCoord MinX(); + wxCoord MinX() const; /** Gets the minimum vertical extent used in drawing commands so far. */ - wxCoord MinY(); + wxCoord MinY() const; /** Resets the bounding box: after a call to this function, the bounding @@ -911,6 +909,7 @@ public: determines how a source pixel (from a pen or brush colour, or source device context if using Blit()) combines with a destination pixel in the current device context. + Text drawing is not affected by this function. The possible values and their meaning in terms of source and destination pixel values are as follows: