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Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/msw/pen.h
	3	// Purpose: wxPen class
	4	// Author: Julian Smart
	5	// Modified by: Vadim Zeitlin: fixed operator=(), ==(), !=()
	6	// Created: 01/02/97
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_PEN_H_
	13	#define _WX_PEN_H_
	14
	15	#include "wx/gdiobj.h"
	16	#include "wx/bitmap.h"
	17	#include "wx/colour.h"
	18
	19	typedef WXDWORD wxMSWDash;
	20
	21	class WXDLLEXPORT wxPen;
	22
	23	// VZ: this class should be made private
	24	class WXDLLEXPORT wxPenRefData : public wxGDIRefData
	25	{
	26	public:
	27	wxPenRefData();
	28	wxPenRefData(const wxPenRefData& data);
	29	virtual ~wxPenRefData();
	30
	31	bool operator==(const wxPenRefData& data) const
	32	{
	33	// we intentionally don't compare m_hPen fields here
	34	return m_style == data.m_style &&
	35	m_width == data.m_width &&
	36	m_join == data.m_join &&
	37	m_cap == data.m_cap &&
	38	m_colour == data.m_colour &&
	39	(m_style != wxSTIPPLE \|\| m_stipple == data.m_stipple) &&
	40	(m_style != wxUSER_DASH \|\|
	41	(m_nbDash == data.m_nbDash &&
	42	memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
	43	}
	44
	45	protected:
	46	int m_width;
	47	int m_style;
	48	int m_join;
	49	int m_cap;
	50	wxBitmap m_stipple;
	51	int m_nbDash;
	52	wxDash * m_dash;
	53	wxColour m_colour;
	54	WXHPEN m_hPen;
	55
	56	private:
	57	friend class WXDLLEXPORT wxPen;
	58
	59	// Cannot use
	60	// DECLARE_NO_COPY_CLASS(wxPenRefData)
	61	// because copy constructor is explicitly declared above;
	62	// but no copy assignment operator is defined, so declare
	63	// it private to prevent the compiler from defining it:
	64	wxPenRefData& operator=(const wxPenRefData&);
	65	};
	66
	67	#define M_PENDATA ((wxPenRefData *)m_refData)
	68	#define wxPENDATA(x) ((wxPenRefData *)(x).m_refData)
	69
	70	// ----------------------------------------------------------------------------
	71	// Pen
	72	// ----------------------------------------------------------------------------
	73
	74	class WXDLLEXPORT wxPen : public wxGDIObject
	75	{
	76	public:
	77	wxPen();
	78	wxPen(const wxColour& col, int width = 1, int style = wxSOLID);
	79	wxPen(const wxBitmap& stipple, int width);
	80	virtual ~wxPen();
	81
	82	bool operator==(const wxPen& pen) const
	83	{
	84	const wxPenRefData penData = (wxPenRefData )pen.m_refData;
	85
	86	// an invalid pen is only equal to another invalid pen
	87	return m_refData ? penData && M_PENDATA == penData : !penData;
	88	}
	89
	90	bool operator!=(const wxPen& pen) const { return !(*this == pen); }
	91
	92	virtual bool Ok() const { return IsOk(); }
	93	virtual bool IsOk() const { return (m_refData != NULL); }
	94
	95	// Override in order to recreate the pen
	96	void SetColour(const wxColour& col);
	97	void SetColour(unsigned char r, unsigned char g, unsigned char b);
	98
	99	void SetWidth(int width);
	100	void SetStyle(int style);
	101	void SetStipple(const wxBitmap& stipple);
	102	void SetDashes(int nb_dashes, const wxDash *dash);
	103	void SetJoin(int join);
	104	void SetCap(int cap);
	105
	106	wxColour& GetColour() const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); };
	107	int GetWidth() const { return (M_PENDATA ? M_PENDATA->m_width : 0); };
	108	int GetStyle() const { return (M_PENDATA ? M_PENDATA->m_style : 0); };
	109	int GetJoin() const { return (M_PENDATA ? M_PENDATA->m_join : 0); };
	110	int GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
	111	int GetDashes(wxDash **ptr) const
	112	{
	113	ptr = (M_PENDATA ? (wxDash)M_PENDATA->m_dash : (wxDash*) NULL);
	114	return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
	115	}
	116	wxDash* GetDash() const { return (M_PENDATA ? (wxDash)M_PENDATA->m_dash : (wxDash)NULL); };
	117	inline int GetDashCount() const { return (M_PENDATA ? M_PENDATA->m_nbDash : 0); };
	118
	119	inline wxBitmap GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap) NULL); };
	120
	121	// Internal
	122	bool RealizeResource();
	123	bool FreeResource(bool force = false);
	124	WXHANDLE GetResourceHandle() const;
	125	bool IsFree() const;
	126	void Unshare();
	127
	128	private:
	129	DECLARE_DYNAMIC_CLASS(wxPen)
	130	};
	131
	132	#endif // _WX_PEN_H_