wxWidgets/include/wx/msw/pen.h

131 lines
3.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: pen.h
// Purpose: wxPen class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PEN_H_
#define _WX_PEN_H_
#ifdef __GNUG__
#pragma interface "pen.h"
#endif
#include "wx/gdiobj.h"
#include "wx/bitmap.h"
#include "wx/colour.h"
typedef WXDWORD wxMSWDash;
class WXDLLEXPORT wxPen;
class WXDLLEXPORT wxPenRefData: public wxGDIRefData
{
friend class WXDLLEXPORT wxPen;
public:
wxPenRefData();
wxPenRefData(const wxPenRefData& data);
~wxPenRefData();
protected:
int m_width;
int m_style;
int m_join ;
int m_cap ;
wxBitmap m_stipple ;
int m_nbDash ;
wxDash * m_dash ;
wxColour m_colour;
WXHPEN m_hPen;
private:
// Cannot use
// DECLARE_NO_COPY_CLASS(wxPenRefData)
// because copy constructor is explicitly declared above;
// but no copy assignment operator is defined, so declare
// it private to prevent the compiler from defining it:
wxPenRefData& operator=(const wxPenRefData&);
};
#define M_PENDATA ((wxPenRefData *)m_refData)
#define wxPENDATA(x) ((wxPenRefData *)(x).m_refData)
// Pen
class WXDLLEXPORT wxPen: public wxGDIObject
{
DECLARE_DYNAMIC_CLASS(wxPen)
public:
wxPen();
wxPen(const wxColour& col, int width = 1, int style = wxSOLID);
wxPen(const wxBitmap& stipple, int width);
inline wxPen(const wxPen& pen) { Ref(pen); }
~wxPen();
inline wxPen& operator = (const wxPen& pen) { if (*this == pen) return (*this); Ref(pen); return *this; }
inline bool operator == (const wxPen& pen) const
{
// It is impossible to know if the user dashes have changed,
// so we must assume that they have
if ( m_refData && pen.m_refData )
{
if ( M_PENDATA->m_nbDash != 0 || wxPENDATA(pen)->m_nbDash != 0 )
return false;
}
return m_refData == pen.m_refData;
}
inline bool operator != (const wxPen& pen) const
{
// It is impossible to know if the user dashes have changed,
// so we must assume that they have
if ( m_refData && pen.m_refData )
{
if ( M_PENDATA->m_nbDash != 0 || wxPENDATA(pen)->m_nbDash != 0 )
return true;
}
return m_refData != pen.m_refData;
}
virtual bool Ok() const { return (m_refData != NULL) ; }
// Override in order to recreate the pen
void SetColour(const wxColour& col) ;
void SetColour(unsigned char r, unsigned char g, unsigned char b);
void SetWidth(int width) ;
void SetStyle(int style) ;
void SetStipple(const wxBitmap& stipple) ;
void SetDashes(int nb_dashes, const wxDash *dash) ;
void SetJoin(int join) ;
void SetCap(int cap) ;
inline wxColour& GetColour() const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); };
inline int GetWidth() const { return (M_PENDATA ? M_PENDATA->m_width : 0); };
inline int GetStyle() const { return (M_PENDATA ? M_PENDATA->m_style : 0); };
inline int GetJoin() const { return (M_PENDATA ? M_PENDATA->m_join : 0); };
inline int GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
inline int GetDashes(wxDash **ptr) const
{
*ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
}
inline wxBitmap *GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL); };
// Internal
bool RealizeResource();
bool FreeResource(bool force = FALSE);
WXHANDLE GetResourceHandle() const;
bool IsFree() const;
void Unshare();
};
int wx2msPenStyle(int wx_style);
#endif
// _WX_PEN_H_