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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/pen.h
// Purpose: wxPen class
// Author: Julian Smart
// Modified by: Vadim Zeitlin: fixed operator=(), ==(), !=()
// Created: 01/02/97
// RCS-ID: $Id: pen.h 45498 2007-04-16 13:03:05Z VZ $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PEN_H_
#define _WX_PEN_H_
#include "wx/gdiobj.h"
#include "wx/bitmap.h"
#include "wx/colour.h"
typedef WXDWORD wxMSWDash;
class WXDLLEXPORT wxPen;
// VZ: this class should be made private
class WXDLLEXPORT wxPenRefData : public wxGDIRefData
{
public:
wxPenRefData();
wxPenRefData(const wxPenRefData& data);
virtual ~wxPenRefData();
bool operator==(const wxPenRefData& data) const
{
// we intentionally don't compare m_hPen fields here
return m_style == data.m_style &&
m_width == data.m_width &&
m_join == data.m_join &&
m_cap == data.m_cap &&
m_colour == data.m_colour &&
(m_style != wxSTIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
(m_style != wxUSER_DASH ||
(m_nbDash == data.m_nbDash &&
memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
}
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:
friend class WXDLLEXPORT wxPen;
// 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
{
public:
wxPen();
wxPen(const wxColour& col, int width = 1, int style = wxSOLID);
wxPen(const wxBitmap& stipple, int width);
virtual ~wxPen();
bool operator==(const wxPen& pen) const
{
const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
// an invalid pen is only equal to another invalid pen
return m_refData ? penData && *M_PENDATA == *penData : !penData;
}
bool operator!=(const wxPen& pen) const { return !(*this == pen); }
virtual bool Ok() const { return IsOk(); }
virtual bool IsOk() 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);
wxColour& GetColour() const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); }
int GetWidth() const { return (M_PENDATA ? M_PENDATA->m_width : 0); }
int GetStyle() const { return (M_PENDATA ? M_PENDATA->m_style : 0); }
int GetJoin() const { return (M_PENDATA ? M_PENDATA->m_join : 0); }
int GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); }
int GetDashes(wxDash **ptr) const
{
*ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
}
wxDash* GetDash() const { return (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*)NULL); }
inline int GetDashCount() const { 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();
private:
DECLARE_DYNAMIC_CLASS(wxPen)
};
#endif // _WX_PEN_H_
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