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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: pen.cpp
3 // Purpose:
4 // Author: Vaclav Slavik
5 // Id: $Id$
6 // Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10
11 #ifdef __GNUG__
12 #pragma implementation "pen.h"
13 #endif
14
15 // For compilers that support precompilation, includes "wx.h".
16 #include "wx/wxprec.h"
17
18 #ifdef __BORLANDC__
19 #pragma hdrstop
20 #endif
21
22 #include "wx/pen.h"
23 #include "wx/bitmap.h"
24 #include "wx/colour.h"
25 #include "wx/mgl/private.h"
26
27 //-----------------------------------------------------------------------------
28 // wxPen
29 //-----------------------------------------------------------------------------
30
31 class wxPenRefData: public wxObjectRefData
32 {
33 public:
34 wxPenRefData();
35 wxPenRefData(const wxPenRefData& data);
36
37 int m_width;
38 int m_style;
39 wxColour m_colour;
40 wxBitmap m_stipple;
41 pixpattern24_t m_pixPattern;
42
43 // not used by wxMGL, but we want to preserve values
44 int m_joinStyle;
45 int m_capStyle;
46 int m_countDashes;
47 wxDash *m_dash;
48 };
49
50 wxPenRefData::wxPenRefData()
51 {
52 m_width = 1;
53 m_style = wxSOLID;
54 m_joinStyle = wxJOIN_ROUND;
55 m_capStyle = wxCAP_ROUND;
56 m_dash = (wxDash*) NULL;
57 m_countDashes = 0;
58
59 int x, y, c;
60 for (y = 0; y < 8; y++)
61 for (x = 0; x < 8; x++)
62 for (c = 0; c < 3; c++)
63 m_pixPattern.p[x][y][c] = 0;
64 }
65
66 wxPenRefData::wxPenRefData(const wxPenRefData& data)
67 {
68 m_style = data.m_style;
69 m_width = data.m_width;
70 m_joinStyle = data.m_joinStyle;
71 m_capStyle = data.m_capStyle;
72 m_colour = data.m_colour;
73 m_countDashes = data.m_countDashes;
74 m_dash = data.m_dash;
75 m_stipple = data.m_stipple;
76
77 int x, y, c;
78 for (y = 0; y < 8; y++)
79 for (x = 0; x < 8; x++)
80 for (c = 0; c < 3; c++)
81 m_pixPattern.p[x][y][c] = data.m_pixPattern.p[x][y][c];
82 }
83
84 //-----------------------------------------------------------------------------
85
86 #define M_PENDATA ((wxPenRefData *)m_refData)
87
88 IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject)
89
90 wxPen::wxPen(const wxColour &colour, int width, int style)
91 {
92 m_refData = new wxPenRefData();
93 M_PENDATA->m_width = width;
94 M_PENDATA->m_style = style;
95 M_PENDATA->m_colour = colour;
96 }
97
98 wxPen::wxPen(const wxBitmap& stipple, int width)
99 {
100 wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") );
101 wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8,
102 _T("stipple bitmap must be 8x8") );
103
104 m_refData = new wxPenRefData();
105 M_PENDATA->m_width = width;
106 M_PENDATA->m_style = wxSTIPPLE;
107 M_PENDATA->m_stipple = stipple;
108 wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL);
109 }
110
111 wxPen::wxPen(const wxPen& pen)
112 {
113 Ref(pen);
114 }
115
116 wxPen& wxPen::operator = (const wxPen& pen)
117 {
118 if (*this == pen) return (*this);
119 Ref(pen);
120 return *this;
121 }
122
123 bool wxPen::operator == (const wxPen& pen) const
124 {
125 return m_refData == pen.m_refData;
126 }
127
128 bool wxPen::operator != (const wxPen& pen) const
129 {
130 return m_refData != pen.m_refData;
131 }
132
133 void wxPen::SetColour(const wxColour &colour)
134 {
135 AllocExclusive();
136 M_PENDATA->m_colour = colour;
137 }
138
139 void wxPen::SetDashes(int number_of_dashes, const wxDash *dash)
140 {
141 AllocExclusive();
142 M_PENDATA->m_countDashes = number_of_dashes;
143 M_PENDATA->m_dash = (wxDash *)dash; /* TODO */
144 }
145
146 void wxPen::SetColour(int red, int green, int blue)
147 {
148 AllocExclusive();
149 M_PENDATA->m_colour.Set(red, green, blue);
150 }
151
152 void wxPen::SetCap(int capStyle)
153 {
154 AllocExclusive();
155 M_PENDATA->m_capStyle = capStyle;
156 }
157
158 void wxPen::SetJoin(int joinStyle)
159 {
160 AllocExclusive();
161 M_PENDATA->m_joinStyle = joinStyle;
162 }
163
164 void wxPen::SetStyle(int style)
165 {
166 AllocExclusive();
167 M_PENDATA->m_style = style;
168 }
169
170 void wxPen::SetStipple(const wxBitmap& stipple)
171 {
172 wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") );
173 wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8,
174 _T("stipple bitmap must be 8x8") );
175
176 AllocExclusive();
177 M_PENDATA->m_stipple = stipple;
178 wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL);
179 }
180
181 void wxPen::SetWidth(int width)
182 {
183 AllocExclusive();
184 M_PENDATA->m_width = width;
185 }
186
187 int wxPen::GetDashes(wxDash **ptr) const
188 {
189 *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL);
190 return (M_PENDATA ? M_PENDATA->m_countDashes : 0);
191 }
192
193 int wxPen::GetDashCount() const
194 {
195 return (M_PENDATA->m_countDashes);
196 }
197
198 wxDash* wxPen::GetDash() const
199 {
200 return (wxDash*)M_PENDATA->m_dash;
201 }
202
203 int wxPen::GetCap() const
204 {
205 wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
206
207 return M_PENDATA->m_capStyle;
208 }
209
210 int wxPen::GetJoin() const
211 {
212 wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
213
214 return M_PENDATA->m_joinStyle;
215 }
216
217 int wxPen::GetStyle() const
218 {
219 wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
220
221 return M_PENDATA->m_style;
222 }
223
224 int wxPen::GetWidth() const
225 {
226 wxCHECK_MSG( Ok(), -1, wxT("invalid pen") );
227
228 return M_PENDATA->m_width;
229 }
230
231 wxColour &wxPen::GetColour() const
232 {
233 wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") );
234
235 return M_PENDATA->m_colour;
236 }
237
238 wxBitmap *wxPen::GetStipple() const
239 {
240 wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
241
242 return &(M_PENDATA->m_stipple);
243 }
244
245 void* wxPen::GetPixPattern() const
246 {
247 wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") );
248
249 return (void*)&(M_PENDATA->m_pixPattern);
250 }
251
252
253 bool wxPen::Ok() const
254 {
255 return (m_refData != NULL);
256 }
257
258 wxObjectRefData *wxPen::CreateRefData() const
259 {
260 return new wxPenRefData;
261 }
262
263 wxObjectRefData *wxPen::CloneRefData(const wxObjectRefData *data) const
264 {
265 return new wxPenRefData(*(wxPenRefData *)data);
266 }
267