655719367a
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27408 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// 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_
|
|
|
|
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
|
|
#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 )
|
|
{ Set(red, green, 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)); }
|
|
|
|
// Get colour from name or wxNullColour
|
|
static wxColour CreateByName(const wxString& name);
|
|
|
|
// 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);
|
|
|
|
protected:
|
|
// Helper function
|
|
void Init();
|
|
|
|
private:
|
|
bool m_isInit;
|
|
unsigned char m_red;
|
|
unsigned char m_blue;
|
|
unsigned char m_green;
|
|
|
|
public:
|
|
int m_pixel;
|
|
};
|
|
|
|
#endif
|
|
// _WX_COLOUR_H_
|