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/////////////////////////////////////////////////////////////////////////////
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// Author: Julian Smart
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// RCS-ID: $Id: pen.cpp,v 1.35 2005/07/22 17:13:46 ABX Exp $
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "pen.h"
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#include "wx/msw/private.h"
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static int wx2msPenStyle(int wx_style);
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IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
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wxPenRefData::wxPenRefData()
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m_join = wxJOIN_ROUND ;
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m_dash = (wxDash*)NULL;
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wxPenRefData::wxPenRefData(const wxPenRefData& data)
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m_style = data.m_style;
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m_width = data.m_width;
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m_nbDash = data.m_nbDash;
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m_colour = data.m_colour;
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wxPenRefData::~wxPenRefData()
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::DeleteObject((HPEN) m_hPen);
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// Should implement Create
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wxPen::wxPen(const wxColour& col, int Width, int Style)
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m_refData = new wxPenRefData;
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M_PENDATA->m_colour = col;
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// M_PENDATA->m_stipple = NULL;
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M_PENDATA->m_width = Width;
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M_PENDATA->m_style = Style;
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M_PENDATA->m_join = wxJOIN_ROUND ;
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M_PENDATA->m_cap = wxCAP_ROUND ;
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M_PENDATA->m_nbDash = 0 ;
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M_PENDATA->m_dash = (wxDash*)NULL;
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M_PENDATA->m_hPen = 0 ;
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wxPen::wxPen(const wxBitmap& stipple, int Width)
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m_refData = new wxPenRefData;
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// M_PENDATA->m_colour = col;
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M_PENDATA->m_stipple = stipple;
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M_PENDATA->m_width = Width;
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M_PENDATA->m_style = wxSTIPPLE;
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M_PENDATA->m_join = wxJOIN_ROUND ;
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M_PENDATA->m_cap = wxCAP_ROUND ;
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M_PENDATA->m_nbDash = 0 ;
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M_PENDATA->m_dash = (wxDash*)NULL;
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M_PENDATA->m_hPen = 0 ;
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bool wxPen::RealizeResource()
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if ( !M_PENDATA || M_PENDATA->m_hPen )
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if (M_PENDATA->m_style==wxTRANSPARENT)
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M_PENDATA->m_hPen = (WXHPEN) ::GetStockObject(NULL_PEN);
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static const int os = wxGetOsVersion();
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COLORREF ms_colour = M_PENDATA->m_colour.GetPixel();
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// Join style, Cap style, Pen Stippling
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#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
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// Only NT can display dashed or dotted lines with width > 1
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if ( os != wxWINDOWS_NT &&
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(M_PENDATA->m_style == wxDOT ||
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M_PENDATA->m_style == wxLONG_DASH ||
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M_PENDATA->m_style == wxSHORT_DASH ||
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M_PENDATA->m_style == wxDOT_DASH ||
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M_PENDATA->m_style == wxUSER_DASH) &&
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M_PENDATA->m_width > 1 )
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M_PENDATA->m_width = 1;
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if (M_PENDATA->m_join==wxJOIN_ROUND &&
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M_PENDATA->m_cap==wxCAP_ROUND &&
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M_PENDATA->m_style!=wxUSER_DASH &&
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M_PENDATA->m_style!=wxSTIPPLE &&
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M_PENDATA->m_width <= 1)
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(WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
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DWORD ms_style = PS_GEOMETRIC | wx2msPenStyle(M_PENDATA->m_style);
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switch(M_PENDATA->m_join)
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case wxJOIN_BEVEL: ms_style |= PS_JOIN_BEVEL; break;
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case wxJOIN_MITER: ms_style |= PS_JOIN_MITER; break;
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case wxJOIN_ROUND: ms_style |= PS_JOIN_ROUND; break;
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switch(M_PENDATA->m_cap)
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case wxCAP_PROJECTING: ms_style |= PS_ENDCAP_SQUARE; break;
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case wxCAP_BUTT: ms_style |= PS_ENDCAP_FLAT; break;
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case wxCAP_ROUND: ms_style |= PS_ENDCAP_ROUND; break;
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switch(M_PENDATA->m_style)
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logb.lbStyle = BS_PATTERN ;
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if (M_PENDATA->m_stipple.Ok())
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logb.lbHatch = (LONG)M_PENDATA->m_stipple.GetHBITMAP();
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logb.lbHatch = (LONG)0;
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case wxBDIAGONAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_BDIAGONAL;
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case wxCROSSDIAG_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_DIAGCROSS;
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case wxFDIAGONAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_FDIAGONAL;
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_CROSS;
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case wxHORIZONTAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_HORIZONTAL;
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case wxVERTICAL_HATCH:
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logb.lbStyle = BS_HATCHED;
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logb.lbHatch = HS_VERTICAL;
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logb.lbStyle = BS_SOLID;
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// this should be unnecessary (it's unused) but suppresses the Purify
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// messages about uninitialized memory read
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logb.lbColor = ms_colour;
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wxMSWDash *real_dash;
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if (M_PENDATA->m_style==wxUSER_DASH && M_PENDATA->m_nbDash && M_PENDATA->m_dash)
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real_dash = new wxMSWDash[M_PENDATA->m_nbDash];
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int rw = M_PENDATA->m_width > 1 ? M_PENDATA->m_width : 1;
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for ( int i = 0; i < M_PENDATA->m_nbDash; i++ )
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real_dash[i] = M_PENDATA->m_dash[i] * rw;
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real_dash = (wxMSWDash*)NULL;
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// Win32s doesn't have ExtCreatePen function...
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if (os==wxWINDOWS_NT || os==wxWIN95)
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(WXHPEN) ExtCreatePen( ms_style,
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M_PENDATA->m_style == wxUSER_DASH
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? M_PENDATA->m_nbDash
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(LPDWORD)real_dash );
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(WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
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(WXHPEN) CreatePen( wx2msPenStyle(M_PENDATA->m_style),
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#endif // !WinCE/WinCE
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WXHANDLE wxPen::GetResourceHandle() const
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return (WXHANDLE)M_PENDATA->m_hPen;
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bool wxPen::FreeResource(bool WXUNUSED(force))
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if (M_PENDATA && (M_PENDATA->m_hPen != 0))
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DeleteObject((HPEN) M_PENDATA->m_hPen);
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M_PENDATA->m_hPen = 0;
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bool wxPen::IsFree() const
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return (M_PENDATA && M_PENDATA->m_hPen == 0);
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void wxPen::Unshare()
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// Don't change shared data
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m_refData = new wxPenRefData();
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wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
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void wxPen::SetColour(const wxColour& col)
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M_PENDATA->m_colour = col;
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void wxPen::SetColour(unsigned char r, unsigned char g, unsigned char b)
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M_PENDATA->m_colour.Set(r, g, b);
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void wxPen::SetWidth(int Width)
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M_PENDATA->m_width = Width;
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void wxPen::SetStyle(int Style)
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M_PENDATA->m_style = Style;
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void wxPen::SetStipple(const wxBitmap& Stipple)
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M_PENDATA->m_stipple = Stipple;
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M_PENDATA->m_style = wxSTIPPLE;
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void wxPen::SetDashes(int nb_dashes, const wxDash *Dash)
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M_PENDATA->m_nbDash = nb_dashes;
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M_PENDATA->m_dash = (wxDash *)Dash;
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void wxPen::SetJoin(int Join)
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M_PENDATA->m_join = Join;
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void wxPen::SetCap(int Cap)
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M_PENDATA->m_cap = Cap;
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int wx2msPenStyle(int wx_style)
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#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
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// if (wxGetOsVersion()==wxWINDOWS_NT || wxGetOsVersion()==wxWIN95)
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wxUnusedVar(wx_style);