wxWidgets/include/wx/os2/pen.h
Vadim Zeitlin a3ab1c1801 renamed IsRefTo() to IsSameAs() (do complain if this is not more clear) and
changed its signature to take a const reference instead of a pointer which
simplifies the code and makes it safer as well


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42776 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-10-30 22:03:53 +00:00

141 lines
4.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/os2/pen.h
// Purpose: wxPen class
// Author: David Webster
// Modified by:
// Created: 10/10/99
// RCS-ID: $Id$
// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PEN_H_
#define _WX_PEN_H_
#include "wx/gdiobj.h"
#include "wx/bitmap.h"
typedef long wxPMDash;
class WXDLLEXPORT wxPen;
class WXDLLEXPORT wxPenRefData: public wxGDIRefData
{
friend class WXDLLEXPORT wxPen;
public:
wxPenRefData();
wxPenRefData(const wxPenRefData& rData);
virtual ~wxPenRefData();
bool operator==(const wxPenRefData& data) const
{
// we intentionally don't compare m_hPen fields here
return m_nStyle == data.m_nStyle &&
m_nWidth == data.m_nWidth &&
m_nJoin == data.m_nJoin &&
m_nCap == data.m_nCap &&
m_vColour == data.m_vColour &&
(m_style != wxSTIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
(m_style != wxUSER_DASH ||
(m_dash == data.m_dash &&
memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
}
protected:
int m_nWidth;
int m_nStyle;
int m_nJoin;
int m_nCap;
wxBitmap m_vStipple;
int m_nbDash;
wxDash * m_dash;
wxColour m_vColour;
WXHPEN m_hPen;// in OS/2 GPI this will be the PS the pen is associated with
};
#define M_PENDATA ((wxPenRefData *)m_refData)
// Pen
class WXDLLEXPORT wxPen : public wxGDIObject
{
DECLARE_DYNAMIC_CLASS(wxPen)
public:
wxPen();
wxPen( const wxColour& rColour
,int nWidth = 1
,int nStyle = wxSOLID
);
wxPen( const wxBitmap& rStipple
,int nWidth
);
virtual ~wxPen();
inline bool operator == (const wxPen& rPen) 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;
}
inline bool operator != (const wxPen& rPen) const
{ return !(*this == rPen); }
virtual bool Ok() const { return IsOk(); }
virtual bool IsOk(void) const { return (m_refData != NULL); }
//
// Override in order to recreate the pen
//
void SetColour(const wxColour& rColour);
void SetColour(unsigned char cRed, unsigned char cGreen, unsigned char cBlue);
void SetWidth(int nWidth);
void SetStyle(int nStyle);
void SetStipple(const wxBitmap& rStipple);
void SetDashes( int nNbDashes
,const wxDash* pDash
);
void SetJoin(int nJoin);
void SetCap(int nCap);
void SetPS(HPS hPS);
inline wxColour& GetColour(void) const { return (M_PENDATA ? M_PENDATA->m_vColour : wxNullColour); };
inline int GetWidth(void) const { return (M_PENDATA ? M_PENDATA->m_nWidth : 0); };
inline int GetStyle(void) const { return (M_PENDATA ? M_PENDATA->m_nStyle : 0); };
inline int GetJoin(void) const { return (M_PENDATA ? M_PENDATA->m_nJoin : 0); };
inline int GetCap(void) const { return (M_PENDATA ? M_PENDATA->m_nCap : 0); };
inline int GetPS(void) const { return (M_PENDATA ? M_PENDATA->m_hPen : 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 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(void) const { return (M_PENDATA ? (& M_PENDATA->m_vStipple) : (wxBitmap*) NULL); };
//
// Implementation
//
//
// Useful helper: create the brush resource
//
bool RealizeResource(void);
bool FreeResource(bool bForce = false);
virtual WXHANDLE GetResourceHandle(void) const;
bool IsFree(void) const;
void Unshare(void);
private:
LINEBUNDLE m_vLineBundle;
AREABUNDLE m_vAreaBundle;
}; // end of CLASS wxPen
extern int wx2os2PenStyle(int nWxStyle);
#endif
// _WX_PEN_H_