mirror of https://github.com/PCSX2/pcsx2.git
239 lines
7.9 KiB
C++
239 lines
7.9 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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// 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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// A macro to define the standard wxColour constructors:
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//
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// It avoids the need 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 ctors
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#define DEFINE_STD_WXCOLOUR_CONSTRUCTORS \
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wxColour() { Init(); } \
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wxColour(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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{ Init(); Set(red, green, blue, alpha); } \
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wxColour(unsigned long colRGB) { Init(); Set(colRGB ); } \
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wxColour(const wxString& colourName) { Init(); Set(colourName); } \
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wxColour(const char *colourName) { Init(); Set(colourName); } \
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wxColour(const wchar_t *colourName) { Init(); Set(colourName); }
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// flags for wxColour -> wxString conversion (see wxColour::GetAsString)
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enum {
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wxC2S_NAME = 1, // return colour name, when possible
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wxC2S_CSS_SYNTAX = 2, // return colour in rgb(r,g,b) syntax
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wxC2S_HTML_SYNTAX = 4 // return colour in #rrggbb syntax
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};
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const unsigned char wxALPHA_TRANSPARENT = 0;
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const unsigned char wxALPHA_OPAQUE = 0xff;
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// a valid but fully transparent colour
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#define wxTransparentColour wxColour(0, 0, 0, wxALPHA_TRANSPARENT)
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#define wxTransparentColor wxTransparentColour
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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,WXDLLIMPEXP_CORE)
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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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/* Transition from wxGDIObject to wxObject is incomplete. If your port does
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not need the wxGDIObject machinery to handle colors, please add it to the
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list of ports which do not need it.
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*/
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#if defined( __WXMAC__ ) || defined( __WXMSW__ ) || defined( __WXPM__ ) || defined( __WXCOCOA__ )
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#define wxCOLOUR_IS_GDIOBJECT 0
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#else
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#define wxCOLOUR_IS_GDIOBJECT 1
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#endif
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class WXDLLIMPEXP_CORE wxColourBase : public
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#if wxCOLOUR_IS_GDIOBJECT
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wxGDIObject
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#else
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wxObject
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#endif
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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 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 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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void SetRGB(wxUint32 colRGB)
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{
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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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void SetRGBA(wxUint32 colRGBA)
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{
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Set((ChannelType)(0xFF & colRGBA),
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(ChannelType)(0xFF & (colRGBA >> 8)),
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(ChannelType)(0xFF & (colRGBA >> 16)),
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(ChannelType)(0xFF & (colRGBA >> 24)));
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}
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wxUint32 GetRGB() const
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{ return Red() | (Green() << 8) | (Blue() << 16); }
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wxUint32 GetRGBA() const
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{ return Red() | (Green() << 8) | (Blue() << 16) | (Alpha() << 24); }
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#if !wxCOLOUR_IS_GDIOBJECT
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virtual bool IsOk() const= 0;
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// older version, for backwards compatibility only (but not deprecated
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// because it's still widely used)
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bool Ok() const { return IsOk(); }
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#endif
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// manipulation
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// ------------
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// These methods are static because they are mostly used
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// within tight loops (where we don't want to instantiate wxColour's)
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static void MakeMono (unsigned char* r, unsigned char* g, unsigned char* b, bool on);
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static void MakeDisabled(unsigned char* r, unsigned char* g, unsigned char* b, unsigned char brightness = 255);
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static void MakeGrey (unsigned char* r, unsigned char* g, unsigned char* b); // integer version
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static void MakeGrey (unsigned char* r, unsigned char* g, unsigned char* b,
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double weight_r, double weight_g, double weight_b); // floating point version
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static unsigned char AlphaBlend (unsigned char fg, unsigned char bg, double alpha);
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static void ChangeLightness(unsigned char* r, unsigned char* g, unsigned char* b, int ialpha);
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wxColour ChangeLightness(int ialpha) const;
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wxColour& MakeDisabled(unsigned char brightness = 255);
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// old, deprecated
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// ---------------
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#if WXWIN_COMPATIBILITY_2_6
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static wxDEPRECATED( 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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// Some ports need Init() and while we don't, provide a stub so that the
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// ports which don't need it are not forced to define it
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void Init() { }
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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 wxString& s);
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#if wxCOLOUR_IS_GDIOBJECT
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// wxColour doesn't use reference counted data (at least not in all ports)
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// so provide stubs for the functions which need to be defined if we do use
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// them
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virtual wxGDIRefData *CreateGDIRefData() const
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{
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wxFAIL_MSG( "must be overridden if used" );
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return NULL;
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}
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virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *WXUNUSED(data)) const
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{
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wxFAIL_MSG( "must be overridden if used" );
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return NULL;
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}
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#endif
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};
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// wxColour <-> wxString utilities, used by wxConfig, defined in colourcmn.cpp
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WXDLLIMPEXP_CORE wxString wxToString(const wxColourBase& col);
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WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxColourBase* col);
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#if 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(__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/osx/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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