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Fix crash in wxDC::GetMultiLineTextExtent() after last commit.
[wxWidgets.git] / src / gtk / pen.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/gtk/pen.cpp
3// Purpose:
4// Author: Robert Roebling
5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
13#include "wx/pen.h"
14
15#ifndef WX_PRECOMP
16 #include "wx/colour.h"
17#endif
18
19#include <gdk/gdk.h>
20
21//-----------------------------------------------------------------------------
22// wxPen
23//-----------------------------------------------------------------------------
24
25class wxPenRefData: public wxGDIRefData
26{
27public:
28 wxPenRefData()
29 {
30 m_width = 1;
31 m_style = wxPENSTYLE_SOLID;
32 m_joinStyle = wxJOIN_ROUND;
33 m_capStyle = wxCAP_ROUND;
34 m_dash = NULL;
35 m_countDashes = 0;
36 }
37
38 wxPenRefData( const wxPenRefData& data )
39 : wxGDIRefData()
40 {
41 m_style = data.m_style;
42 m_width = data.m_width;
43 m_joinStyle = data.m_joinStyle;
44 m_capStyle = data.m_capStyle;
45 m_colour = data.m_colour;
46 m_countDashes = data.m_countDashes;
47 m_dash = data.m_dash;
48 }
49
50 bool operator == (const wxPenRefData& data) const
51 {
52 if ( m_countDashes != data.m_countDashes )
53 return false;
54
55 if ( m_dash )
56 {
57 if ( !data.m_dash ||
58 memcmp(m_dash, data.m_dash, m_countDashes*sizeof(wxGTKDash)) )
59 {
60 return false;
61 }
62 }
63 else if ( data.m_dash )
64 {
65 return false;
66 }
67
68
69 return m_style == data.m_style &&
70 m_width == data.m_width &&
71 m_joinStyle == data.m_joinStyle &&
72 m_capStyle == data.m_capStyle &&
73 m_colour == data.m_colour;
74 }
75
76 int m_width;
77 wxPenStyle m_style;
78 wxPenJoin m_joinStyle;
79 wxPenCap m_capStyle;
80 wxColour m_colour;
81 int m_countDashes;
82 wxGTKDash *m_dash;
83};
84
85//-----------------------------------------------------------------------------
86
87#define M_PENDATA ((wxPenRefData *)m_refData)
88
89IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
90
91wxPen::wxPen( const wxColour &colour, int width, wxPenStyle style )
92{
93 m_refData = new wxPenRefData();
94 M_PENDATA->m_width = width;
95 M_PENDATA->m_style = style;
96 M_PENDATA->m_colour = colour;
97}
98
99#if FUTURE_WXWIN_COMPATIBILITY_3_0
100wxPen::wxPen(const wxColour& colour, int width, int style)
101{
102 m_refData = new wxPenRefData();
103 M_PENDATA->m_width = width;
104 M_PENDATA->m_style = (wxPenStyle)style;
105 M_PENDATA->m_colour = colour;
106}
107#endif
108
109wxPen::~wxPen()
110{
111 // m_refData unrefed in ~wxObject
112}
113
114wxGDIRefData *wxPen::CreateGDIRefData() const
115{
116 return new wxPenRefData;
117}
118
119wxGDIRefData *wxPen::CloneGDIRefData(const wxGDIRefData *data) const
120{
121 return new wxPenRefData(*(wxPenRefData *)data);
122}
123
124bool wxPen::operator == ( const wxPen& pen ) const
125{
126 if (m_refData == pen.m_refData) return true;
127
128 if (!m_refData || !pen.m_refData) return false;
129
130 return ( *(wxPenRefData*)m_refData == *(wxPenRefData*)pen.m_refData );
131}
132
133void wxPen::SetColour( const wxColour &colour )
134{
135 AllocExclusive();
136
137 M_PENDATA->m_colour = colour;
138}
139
140void wxPen::SetDashes( int number_of_dashes, const wxDash *dash )
141{
142 AllocExclusive();
143
144 M_PENDATA->m_countDashes = number_of_dashes;
145 M_PENDATA->m_dash = (wxGTKDash *)dash;
146}
147
148void wxPen::SetColour( unsigned char red, unsigned char green, unsigned char blue )
149{
150 AllocExclusive();
151
152 M_PENDATA->m_colour.Set( red, green, blue );
153}
154
155void wxPen::SetCap( wxPenCap capStyle )
156{
157 AllocExclusive();
158
159 M_PENDATA->m_capStyle = capStyle;
160}
161
162void wxPen::SetJoin( wxPenJoin joinStyle )
163{
164 AllocExclusive();
165
166 M_PENDATA->m_joinStyle = joinStyle;
167}
168
169void wxPen::SetStyle( wxPenStyle style )
170{
171 AllocExclusive();
172
173 M_PENDATA->m_style = style;
174}
175
176void wxPen::SetWidth( int width )
177{
178 AllocExclusive();
179
180 M_PENDATA->m_width = width;
181}
182
183int wxPen::GetDashes( wxDash **ptr ) const
184{
185 wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
186
187 *ptr = (wxDash*)M_PENDATA->m_dash;
188 return M_PENDATA->m_countDashes;
189}
190
191int wxPen::GetDashCount() const
192{
193 wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
194
195 return (M_PENDATA->m_countDashes);
196}
197
198wxDash* wxPen::GetDash() const
199{
200 wxCHECK_MSG( IsOk(), NULL, wxT("invalid pen") );
201
202 return (wxDash*)M_PENDATA->m_dash;
203}
204
205wxPenCap wxPen::GetCap() const
206{
207 wxCHECK_MSG( IsOk(), wxCAP_INVALID, wxT("invalid pen") );
208
209 return M_PENDATA->m_capStyle;
210}
211
212wxPenJoin wxPen::GetJoin() const
213{
214 wxCHECK_MSG( IsOk(), wxJOIN_INVALID, wxT("invalid pen") );
215
216 return M_PENDATA->m_joinStyle;
217}
218
219wxPenStyle wxPen::GetStyle() const
220{
221 wxCHECK_MSG( IsOk(), wxPENSTYLE_INVALID, wxT("invalid pen") );
222
223 return M_PENDATA->m_style;
224}
225
226int wxPen::GetWidth() const
227{
228 wxCHECK_MSG( IsOk(), -1, wxT("invalid pen") );
229
230 return M_PENDATA->m_width;
231}
232
233wxColour wxPen::GetColour() const
234{
235 wxCHECK_MSG( IsOk(), wxNullColour, wxT("invalid pen") );
236
237 return M_PENDATA->m_colour;
238}
239
240// stippled pens are not supported by wxGTK
241void wxPen::SetStipple(const wxBitmap& WXUNUSED(stipple))
242{
243 wxFAIL_MSG( "stippled pens not supported" );
244}
245
246wxBitmap *wxPen::GetStipple() const
247{
248 return NULL;
249}
250