wxWidgets/include/wx/cocoa/colour.h
2006-10-09 23:44:00 +00:00

110 lines
3.2 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: wx/cocoa/colour.h
// Purpose: wxColour class
// Author: David Elliott
// Modified by:
// Created: 2003/06/17
// RCS-ID: $Id$
// Copyright: (c) 2003 David Elliott
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __WX_COCOA_COLOUR_H__
#define __WX_COCOA_COLOUR_H__
#include "wx/object.h"
#include "wx/string.h"
// ========================================================================
// wxColour
// ========================================================================
class WXDLLEXPORT wxColour : public wxColourBase
{
public:
// constructors
// ------------
// default
wxColour() { Init(); }
// the other standard ones: notice that we can't use
// DEFINE_STD_WXCOLOUR_CONSTRUCTORS here because we need to call Init() to
// initialize m_cocoaNSColor and the macro doesn't do it
wxColour( ChannelType red, ChannelType green, ChannelType blue,
ChannelType alpha = wxALPHA_OPAQUE )
{ Init(); Set(red, green, blue, alpha); }
wxColour(unsigned long colRGB) { Init(); Set(colRGB); }
wxColour(const wxString &colourName) { Init(); Set(colourName); }
wxColour(const wxChar *colourName) { Init(); Set(colourName); }
// initialization using existing NSColor
wxColour( WX_NSColor aColor );
// copy ctors and assignment operators
wxColour( const wxColour& col );
wxColour& operator = ( const wxColour& col );
virtual ~wxColour();
// accessors
bool Ok() const { return IsOk(); }
bool IsOk() const { return m_cocoaNSColor; }
WX_NSColor GetNSColor() { return m_cocoaNSColor; }
unsigned char Red() const { return m_red; }
unsigned char Green() const { return m_green; }
unsigned char Blue() const { return m_blue; }
unsigned char Alpha() const { return m_alpha; }
// comparison
bool operator == (const wxColour& colour) const
{
return m_cocoaNSColor == colour.m_cocoaNSColor ||
(m_red == colour.m_red &&
m_green == colour.m_green &&
m_blue == colour.m_blue &&
m_alpha == colour.m_alpha);
}
bool operator != (const wxColour& colour) const
{ return !(*this == colour); }
// Set() functions
void Set( WX_NSColor aColor );
// reroute the inherited ones
void Set(unsigned char red,
unsigned char green,
unsigned char blue,
unsigned char alpha = wxALPHA_OPAQUE)
{ wxColourBase::Set(red, green, blue, alpha); }
bool Set(const wxChar *str)
{ return wxColourBase::Set(str); }
bool Set(const wxString &str)
{ return wxColourBase::Set(str); }
void Set(unsigned long colRGB)
{ wxColourBase::Set(colRGB); }
protected:
// puts the object in an invalid, uninitialized state
void Init();
virtual void
InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
private:
WX_NSColor m_cocoaNSColor;
unsigned char m_red;
unsigned char m_green;
unsigned char m_blue;
unsigned char m_alpha;
DECLARE_DYNAMIC_CLASS(wxColour)
};
#endif // __WX_COCOA_COLOUR_H__