wxWidgets/include/wx/x11/colour.h
2006-02-09 00:51:23 +00:00

103 lines
2.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/x11/colour.h
// Purpose: wxColour class
// Author: Julian Smart, Robert Roebling
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_COLOUR_H_
#define _WX_COLOUR_H_
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/gdiobj.h"
#include "wx/palette.h"
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxDC;
class WXDLLIMPEXP_CORE wxPaintDC;
class WXDLLIMPEXP_CORE wxBitmap;
class WXDLLIMPEXP_CORE wxWindow;
class WXDLLIMPEXP_CORE wxColour;
//-----------------------------------------------------------------------------
// wxColour
//-----------------------------------------------------------------------------
class WXDLLEXPORT wxColour: public wxGDIObject
{
public:
// constructors
// ------------
// default
wxColour() { }
// from separate RGB
wxColour( unsigned char red, unsigned char green, unsigned char blue );
// from packed RGB
wxColour( unsigned long colRGB ) { Set(colRGB); }
// Implicit conversion from the colour name
wxColour( const wxString &colourName ) { InitFromName(colourName); }
wxColour( const char *colourName ) { InitFromName( wxString::FromAscii(colourName) ); }
#if wxUSE_UNICODE
wxColour( const wxChar *colourName ) { InitFromName( wxString(colourName) ); }
#endif
// Get colour from name or wxNullColour
static wxColour CreateByName(const wxString& name);
~wxColour();
bool Ok() const { return m_refData != NULL; }
bool operator == ( const wxColour& col ) const;
bool operator != ( const wxColour& col ) const { return !(*this == col); }
void Set( unsigned char red, unsigned char green, unsigned char blue );
void Set( unsigned long colRGB )
{
// We don't need to know sizeof(long) here because we assume that the three
// least significant bytes contain the R, G and B values
Set((unsigned char)colRGB,
(unsigned char)(colRGB >> 8),
(unsigned char)(colRGB >> 16));
}
unsigned char Red() const;
unsigned char Green() const;
unsigned char Blue() const;
// Implementation part
void CalcPixel( WXColormap cmap );
unsigned long GetPixel() const;
WXColor *GetColor() const;
void InitFromName(const wxString& colourName);
protected:
// ref counting code
virtual wxObjectRefData *CreateRefData() const;
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
private:
DECLARE_DYNAMIC_CLASS(wxColour)
};
#endif
// _WX_COLOUR_H_