a3ab1c1801
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
133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/palmos/pen.h
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// Purpose: wxPen class
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// Author: William Osborne - minimal working wxPalmOS port
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// Modified by:
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// Created: 10/13/04
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// RCS-ID: $Id$
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// Copyright: (c) William Osborne
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_PEN_H_
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#define _WX_PEN_H_
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#include "wx/gdiobj.h"
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#include "wx/bitmap.h"
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#include "wx/colour.h"
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typedef WXDWORD wxMSWDash;
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class WXDLLEXPORT wxPen;
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// VZ: this class should be made private
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class WXDLLEXPORT wxPenRefData : public wxGDIRefData
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{
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public:
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wxPenRefData();
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wxPenRefData(const wxPenRefData& data);
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virtual ~wxPenRefData();
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bool operator==(const wxPenRefData& data) const
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{
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// we intentionally don't compare m_hPen fields here
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return m_style == data.m_style &&
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m_width == data.m_width &&
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m_join == data.m_join &&
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m_cap == data.m_cap &&
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m_colour == data.m_colour &&
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(m_style != wxSTIPPLE || m_stipple.IsSameAs(data.m_stipple)) &&
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(m_style != wxUSER_DASH ||
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(m_nbDash == data.m_nbDash &&
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memcmp(m_dash, data.m_dash, m_nbDash*sizeof(wxDash)) == 0));
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}
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protected:
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int m_width;
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int m_style;
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int m_join;
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int m_cap;
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wxBitmap m_stipple;
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int m_nbDash;
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wxDash * m_dash;
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wxColour m_colour;
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WXHPEN m_hPen;
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private:
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friend class WXDLLEXPORT wxPen;
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// Cannot use
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// DECLARE_NO_COPY_CLASS(wxPenRefData)
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// because copy constructor is explicitly declared above;
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// but no copy assignment operator is defined, so declare
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// it private to prevent the compiler from defining it:
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wxPenRefData& operator=(const wxPenRefData&);
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};
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#define M_PENDATA ((wxPenRefData *)m_refData)
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#define wxPENDATA(x) ((wxPenRefData *)(x).m_refData)
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// ----------------------------------------------------------------------------
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// Pen
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxPen : public wxGDIObject
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{
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public:
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wxPen();
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wxPen(const wxColour& col, int width = 1, int style = wxSOLID);
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wxPen(const wxBitmap& stipple, int width);
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virtual ~wxPen();
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bool operator==(const wxPen& pen) const
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{
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const wxPenRefData *penData = (wxPenRefData *)pen.m_refData;
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// an invalid pen is only equal to another invalid pen
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return m_refData ? penData && *M_PENDATA == *penData : !penData;
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}
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bool operator!=(const wxPen& pen) const { return !(*this == pen); }
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virtual bool Ok() const { return IsOk(); }
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virtual bool IsOk() const { return (m_refData != NULL); }
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// Override in order to recreate the pen
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void SetColour(const wxColour& col);
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void SetColour(unsigned char r, unsigned char g, unsigned char b);
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void SetWidth(int width);
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void SetStyle(int style);
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void SetStipple(const wxBitmap& stipple);
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void SetDashes(int nb_dashes, const wxDash *dash);
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void SetJoin(int join);
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void SetCap(int cap);
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wxColour& GetColour() const { return (M_PENDATA ? M_PENDATA->m_colour : wxNullColour); };
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int GetWidth() const { return (M_PENDATA ? M_PENDATA->m_width : 0); };
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int GetStyle() const { return (M_PENDATA ? M_PENDATA->m_style : 0); };
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int GetJoin() const { return (M_PENDATA ? M_PENDATA->m_join : 0); };
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int GetCap() const { return (M_PENDATA ? M_PENDATA->m_cap : 0); };
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int GetDashes(wxDash **ptr) const
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{
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*ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
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return (M_PENDATA ? M_PENDATA->m_nbDash : 0);
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}
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wxDash* GetDash() const { return (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*)NULL); };
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inline int GetDashCount() const { return (M_PENDATA ? M_PENDATA->m_nbDash : 0); };
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inline wxBitmap *GetStipple() const { return (M_PENDATA ? (& M_PENDATA->m_stipple) : (wxBitmap*) NULL); };
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// Internal
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bool RealizeResource();
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bool FreeResource(bool force = false);
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WXHANDLE GetResourceHandle() const;
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bool IsFree() const;
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void Unshare();
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private:
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DECLARE_DYNAMIC_CLASS(wxPen)
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};
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#endif // _WX_PEN_H_
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