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[wxWidgets.git] / wxPython / src / _colour.i

/////////////////////////////////////////////////////////////////////////////
// Name:        _colour.i
// Purpose:     SWIG interface for wxColour
//
// Author:      Robin Dunn
//
// Created:     7-July-1997
// RCS-ID:      $Id$
// Copyright:   (c) 2003 by Total Control Software
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

// Not a %module


//---------------------------------------------------------------------------
%newgroup;


DocStr(wxColour,
"A colour is an object representing a combination of Red, Green, and
Blue (RGB) intensity values, and is used to determine drawing colours,
window colours, etc.  Valid RGB values are in the range 0 to 255.

In wxPython there are typemaps that will automatically convert from a
colour name, or from a '#RRGGBB' colour hex value string to a
wx.Colour object when calling C++ methods that expect a wxColour.
This means that the following are all equivallent::

    win.SetBackgroundColour(wxColour(0,0,255))
    win.SetBackgroundColour('BLUE')
    win.SetBackgroundColour('#0000FF')

Additional colour names and their coresponding values can be added
using `wx.ColourDatabase`.  Various system colours (as set in the
user's system preferences) can be retrieved with
`wx.SystemSettings.GetColour`.
", "");


class wxColour : public wxObject {
public:
    
    DocCtorStr(
        wxColour(byte red=0, byte green=0, byte blue=0),
        "Constructs a colour from red, green and blue values.

:see: Alternate constructors `wx.NamedColour` and `wx.ColourRGB`.
", "");
    
    DocCtorStrName(
        wxColour( const wxString& colorName),
        "Constructs a colour object using a colour name listed in
``wx.TheColourDatabase``.", "",
        NamedColour);
    
    DocCtorStrName(
        wxColour( unsigned long colRGB ),
        "Constructs a colour from a packed RGB value.", "",
        ColourRGB);

    ~wxColour();

    
    DocDeclStr(
        byte , Red(),
        "Returns the red intensity.", "");
    
    DocDeclStr(
        byte , Green(),
        "Returns the green intensity.", "");
    
    DocDeclStr(
        byte , Blue(),
        "Returns the blue intensity.", "");
    
    DocDeclStr(
        bool , Ok(),
        "Returns True if the colour object is valid (the colour has been
initialised with RGB values).", "");
    
    DocDeclStr(
        void , Set(byte red, byte green, byte blue),
        "Sets the RGB intensity values.", "");

    DocDeclStrName(
        void , Set(unsigned long colRGB),
        "Sets the RGB intensity values from a packed RGB value.", "",
        SetRGB);

    DocDeclStrName(
        void , InitFromName(const wxString& colourName),
        "Sets the RGB intensity values using a colour name listed in
``wx.TheColourDatabase``.", "",
        SetFromName);
    
    
    DocDeclStr(
        long , GetPixel() const,
        "Returns a pixel value which is platform-dependent. On Windows, a
COLORREF is returned. On X, an allocated pixel value is returned.  -1
is returned if the pixel is invalid (on X, unallocated).", "");
    
    
    DocDeclStr(
        bool , operator==(const wxColour& colour) const,
        "Compare colours for equality", "");
    
    DocDeclStr(
        bool , operator!=(const wxColour& colour) const,
        "Compare colours for inequality", "");
    


    %extend {
        DocAStr(Get,
                "Get() -> (r, g, b)",
                "Returns the RGB intensity values as a tuple.", "");
        PyObject* Get() {
            PyObject* rv = PyTuple_New(3);
            int red = -1;
            int green = -1;
            int blue = -1;
            if (self->Ok()) {
                red =   self->Red();
                green = self->Green();
                blue =  self->Blue();
            }
            PyTuple_SetItem(rv, 0, PyInt_FromLong(red));
            PyTuple_SetItem(rv, 1, PyInt_FromLong(green));
            PyTuple_SetItem(rv, 2, PyInt_FromLong(blue));
            return rv;
        }

        DocStr(GetRGB,
               "Return the colour as a packed RGB value", "");
        unsigned long GetRGB() {
            return self->Red() | (self->Green() << 8) | (self->Blue() << 16);
        }
    }


    %pythoncode {
        asTuple = wx._deprecated(Get, "asTuple is deprecated, use `Get` instead")
        def __str__(self):                  return str(self.Get())
        def __repr__(self):                 return 'wx.Colour' + str(self.Get())
        def __nonzero__(self):              return self.Ok()
        __safe_for_unpickling__ = True
        def __reduce__(self):               return (Colour, self.Get())
        }
};

%pythoncode {
    Color = Colour
    NamedColor = NamedColour
    ColorRGB = ColourRGB
}

//---------------------------------------------------------------------------