77ffb5937e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27404 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: colour.h
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// Purpose: wxColour class
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWidgets licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_COLOUR_H_
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#define _WX_COLOUR_H_
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma interface "colour.h"
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#endif
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#include "wx/object.h"
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#include "wx/string.h"
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// Colour
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class WXDLLEXPORT wxColour : public wxObject
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{
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DECLARE_DYNAMIC_CLASS(wxColour)
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public:
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// ctors
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// default
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wxColour();
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// from RGB
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wxColour( unsigned char red, unsigned char green, unsigned char blue )
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{ Set(red, green, blue); }
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wxColour( unsigned long colRGB ) { Set(colRGB); }
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// implicit conversion from the colour name
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wxColour( const wxString &colourName ) { InitFromName(colourName); }
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wxColour( const char *colourName ) { InitFromName(colourName); }
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// copy ctors and assignment operators
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wxColour( const wxColour& col );
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wxColour& operator = ( const wxColour& col );
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// dtor
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~wxColour();
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// Set() functions
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void Set( unsigned char red, unsigned char green, unsigned char blue );
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void Set( unsigned long colRGB )
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{
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// we don't need to know sizeof(long) here because we assume that the three
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// least significant bytes contain the R, G and B values
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Set((unsigned char)colRGB,
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(unsigned char)(colRGB >> 8),
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(unsigned char)(colRGB >> 16));
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}
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// accessors
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bool Ok() const {return m_isInit; }
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unsigned char Red() const { return m_red; }
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unsigned char Green() const { return m_green; }
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unsigned char Blue() const { return m_blue; }
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int GetPixel() const { return m_pixel; };
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void SetPixel(int pixel) { m_pixel = pixel; m_isInit = true; };
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inline bool operator == (const wxColour& colour) const { return (m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue); }
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inline bool operator != (const wxColour& colour) const { return (!(m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue)); }
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// Get colour from name or wxNullColour
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static wxColour CreateByName(const wxString& name);
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// Allocate a colour, or nearest colour, using the given display.
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// If realloc is true, ignore the existing pixel, otherwise just return
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// the existing one.
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// Returns the allocated pixel.
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// TODO: can this handle mono displays? If not, we should have an extra
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// flag to specify whether this should be black or white by default.
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int AllocColour(WXDisplay* display, bool realloc = false);
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void InitFromName(const wxString& col);
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protected:
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// Helper function
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void Init();
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private:
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bool m_isInit;
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unsigned char m_red;
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unsigned char m_blue;
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unsigned char m_green;
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public:
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int m_pixel;
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};
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#endif
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// _WX_COLOUR_H_
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