wxWidgets/include/wx/motif/colour.h

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/////////////////////////////////////////////////////////////////////////////
// Name: colour.h
// Purpose: wxColour class
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_COLOUR_H_
#define _WX_COLOUR_H_
#ifdef __GNUG__
#pragma interface "colour.h"
#endif
#include "wx/object.h"
#include "wx/string.h"
// Colour
class WXDLLEXPORT wxColour : public wxObject
{
DECLARE_DYNAMIC_CLASS(wxColour)
public:
// ctors
// default
wxColour();
// from RGB
wxColour( unsigned char red, unsigned char green, unsigned char blue );
wxColour( unsigned long colRGB ) { Set(colRGB); }
// implicit conversion from the colour name
wxColour( const wxString &colourName ) { InitFromName(colourName); }
wxColour( const char *colourName ) { InitFromName(colourName); }
// copy ctors and assignment operators
wxColour( const wxColour& col );
wxColour& operator = ( const wxColour& col );
// dtor
~wxColour();
// Set() functions
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));
}
// accessors
bool Ok() const {return m_isInit; }
unsigned char Red() const { return m_red; }
unsigned char Green() const { return m_green; }
unsigned char Blue() const { return m_blue; }
int GetPixel() const { return m_pixel; };
void SetPixel(int pixel) { m_pixel = pixel; m_isInit = TRUE; };
inline bool operator == (const wxColour& colour) const { return (m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue); }
inline bool operator != (const wxColour& colour) const { return (!(m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue)); }
// Allocate a colour, or nearest colour, using the given display.
// If realloc is TRUE, ignore the existing pixel, otherwise just return
// the existing one.
// Returns the allocated pixel.
// TODO: can this handle mono displays? If not, we should have an extra
// flag to specify whether this should be black or white by default.
int AllocColour(WXDisplay* display, bool realloc = FALSE);
void InitFromName(const wxString& col);
private:
bool m_isInit;
unsigned char m_red;
unsigned char m_blue;
unsigned char m_green;
public:
int m_pixel;
};
#endif
// _WX_COLOUR_H_