/////////////////////////////////////////////////////////////////////////////
-// Name: pen.h
+// Name: wx/pen.h
// Purpose: wxPen class
// Author: Julian Smart
-// Modified by:
+// Modified by: Vadim Zeitlin: fixed operator=(), ==(), !=()
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PEN_H_
#define _WX_PEN_H_
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "pen.h"
+ #pragma interface "pen.h"
#endif
#include "wx/gdiobj.h"
class WXDLLEXPORT wxPen;
-class WXDLLEXPORT wxPenRefData: public wxGDIRefData
+// VZ: this class should be made private
+class WXDLLEXPORT wxPenRefData : public wxGDIRefData
{
- friend class WXDLLEXPORT wxPen;
public:
wxPenRefData();
wxPenRefData(const wxPenRefData& data);
- ~wxPenRefData();
+ 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 == 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;
+ 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:
+ 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
+// ----------------------------------------------------------------------------
+
+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);
- }
- 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();
+ wxPen();
+ wxPen(const wxColour& col, int width = 1, int style = wxSOLID);
+ wxPen(const wxBitmap& stipple, int width);
+ wxPen(const wxPen& pen) : wxGDIObject(pen) { Ref(pen); }
+ virtual ~wxPen();
+
+ wxPen& operator=(const wxPen& pen)
+ {
+ if ( this != &pen )
+ Ref(pen);
+
+ return *this;
+ }
+
+ 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 (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)
};
-int wx2msPenStyle(int wx_style);
+#endif // _WX_PEN_H_
-#endif
- // _WX_PEN_H_
projects / wxWidgets.git / blobdiff