a3ed46f2c3
git-svn-id: svn://10.65.10.50/branches/R_10_00@23289 c028cbd2-c16b-5b4b-a496-9718f37d4682
155 lines
4.8 KiB
C++
155 lines
4.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/colour.h
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// Purpose: wxColourBase definition
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// Author: Julian Smart
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// Modified by: Francesco Montorsi
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// Created:
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// RCS-ID: $Id: colour.h 53135 2008-04-12 02:31:04Z VZ $
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// Copyright: Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_COLOUR_H_BASE_
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#define _WX_COLOUR_H_BASE_
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#include "wx/defs.h"
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#include "wx/gdiobj.h"
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class WXDLLIMPEXP_FWD_CORE wxColour;
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// the standard wxColour constructors;
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// this macro avoids to repeat these lines across all colour.h files, since
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// Set() is a virtual function and thus cannot be called by wxColourBase
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// constructors
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#define DEFINE_STD_WXCOLOUR_CONSTRUCTORS \
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wxColour( ChannelType red, ChannelType green, ChannelType blue, \
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ChannelType alpha = wxALPHA_OPAQUE ) \
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{ Set(red, green, blue, alpha); } \
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wxColour( unsigned long colRGB ) { Set(colRGB); } \
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wxColour(const wxString &colourName) { Set(colourName); } \
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wxColour(const wxChar *colourName) { Set(colourName); }
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// flags for wxColour -> wxString conversion (see wxColour::GetAsString)
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#define wxC2S_NAME 1 // return colour name, when possible
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#define wxC2S_CSS_SYNTAX 2 // return colour in rgb(r,g,b) syntax
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#define wxC2S_HTML_SYNTAX 4 // return colour in #rrggbb syntax
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const unsigned char wxALPHA_TRANSPARENT = 0;
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const unsigned char wxALPHA_OPAQUE = 0xff;
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// ----------------------------------------------------------------------------
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// wxVariant support
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// ----------------------------------------------------------------------------
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#if wxUSE_VARIANT
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#include "wx/variant.h"
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DECLARE_VARIANT_OBJECT_EXPORTED(wxColour,WXDLLEXPORT)
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#endif
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//-----------------------------------------------------------------------------
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// wxColourBase: this class has no data members, just some functions to avoid
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// code redundancy in all native wxColour implementations
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//-----------------------------------------------------------------------------
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class WXDLLEXPORT wxColourBase : public wxGDIObject
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{
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public:
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// type of a single colour component
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typedef unsigned char ChannelType;
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wxColourBase() {}
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virtual ~wxColourBase() {}
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// Set() functions
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// ---------------
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void Set(ChannelType red,
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ChannelType green,
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ChannelType blue,
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ChannelType alpha = wxALPHA_OPAQUE)
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{ InitRGBA(red,green,blue, alpha); }
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// implemented in colourcmn.cpp
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bool Set(const wxChar *str)
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{ return FromString(str); }
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bool Set(const wxString &str)
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{ return FromString(str); }
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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((ChannelType)(0xFF & colRGB),
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(ChannelType)(0xFF & (colRGB >> 8)),
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(ChannelType)(0xFF & (colRGB >> 16)));
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}
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// accessors
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// ---------
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virtual bool Ok() const { return IsOk(); }
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virtual bool IsOk() const = 0;
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virtual ChannelType Red() const = 0;
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virtual ChannelType Green() const = 0;
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virtual ChannelType Blue() const = 0;
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virtual ChannelType Alpha() const
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{ return wxALPHA_OPAQUE ; }
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// implemented in colourcmn.cpp
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virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const;
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// old, deprecated
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// ---------------
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#if WXWIN_COMPATIBILITY_2_6
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wxDEPRECATED( static wxColour CreateByName(const wxString& name) );
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wxDEPRECATED( void InitFromName(const wxString& col) );
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#endif
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protected:
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virtual void
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InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a) = 0;
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virtual bool FromString(const wxChar *s);
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};
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#if defined(__WXPALMOS__)
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#include "wx/generic/colour.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/colour.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/colour.h"
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#elif defined(__WXGTK20__)
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#include "wx/gtk/colour.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk1/colour.h"
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#elif defined(__WXMGL__)
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#include "wx/generic/colour.h"
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#elif defined(__WXDFB__)
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#include "wx/generic/colour.h"
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#elif defined(__WXX11__)
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#include "wx/x11/colour.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/colour.h"
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#elif defined(__WXCOCOA__)
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#include "wx/cocoa/colour.h"
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#elif defined(__WXPM__)
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#include "wx/os2/colour.h"
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#endif
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#define wxColor wxColour
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#endif // _WX_COLOUR_H_BASE_
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