wxWidgets/include/wx/cocoa/colour.h
David Elliott d8fdd58fa3 Add constructor and Set taking NSColor.
Change eqauality operator to check if the NSColor objects are the same
instance or if all of the color components (m_red/green/blue) are identical.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31310 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-01-10 18:37:36 +00:00

101 lines
3.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: 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 wxObject
{
public:
wxColour() { Init(); }
// from RGB
wxColour( unsigned char red, unsigned char green, unsigned char blue )
: m_cocoaNSColor(NULL)
{ Set(red,green,blue); }
wxColour( unsigned long colRGB )
: m_cocoaNSColor(NULL)
{ Set(colRGB); }
// initialization using existing NSColor
wxColour( WX_NSColor aColor );
// 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
// copy ctors and assignment operators
wxColour( const wxColour& col );
wxColour& operator = ( const wxColour& col );
virtual ~wxColour();
// accessors
bool Ok() 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; }
// comparison
bool operator == (const wxColour& colour) const
{
// TODO: Really compare the NSColor
return (m_cocoaNSColor == colour.m_cocoaNSColor
|| (m_red == colour.m_red
&& m_green == colour.m_green
&& m_blue == colour.m_blue));
}
bool operator != (const wxColour& colour) const
{ return !(*this == colour); }
// 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));
}
void Set( WX_NSColor aColor );
protected:
// puts the object in an invalid, uninitialized state
void Init();
// create the object from name, leaves it uninitialized if it failed
void InitFromName(const wxString& col);
private:
WX_NSColor m_cocoaNSColor;
unsigned char m_red;
unsigned char m_green;
unsigned char m_blue;
DECLARE_DYNAMIC_CLASS(wxColour)
};
#endif // __WX_COCOA_COLOUR_H__