wxWidgets/include/wx/gtk/colour.h
2003-10-17 17:39:28 +00:00

104 lines
2.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: colour.h
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GTKCOLOURH__
#define __GTKCOLOURH__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/gdiobj.h"
#include "wx/palette.h"
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
class wxDC;
class wxPaintDC;
class wxBitmap;
class wxWindow;
class wxColour;
//-----------------------------------------------------------------------------
// wxColour
//-----------------------------------------------------------------------------
class wxColour: public wxGDIObject
{
public:
wxColour() { }
// Construct 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( wxString::FromAscii(colourName) ); }
#if wxUSE_UNICODE
wxColour( const wxChar *colourName ) { InitFromName( wxString(colourName) ); }
#endif
wxColour( const wxColour& col )
: wxGDIObject()
{ Ref(col); }
wxColour& operator = ( const wxColour& col ) { Ref(col); return *this; }
~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;
// Get colour from name or wxNullColour
static wxColour CreateByName(const wxString& name);
// Implementation part
void CalcPixel( GdkColormap *cmap );
int GetPixel() const;
GdkColor *GetColor() const;
protected:
// ref counting code
virtual wxObjectRefData *CreateRefData() const;
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
// Helper functions
void InitFromName(const wxString& colourName);
private:
DECLARE_DYNAMIC_CLASS(wxColour)
};
#endif // __GTKCOLOURH__