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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: pen.cpp | |
3 | // Purpose: | |
4 | // Author: Vaclav Slavik | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 2001 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 | #include "wx/pen.h" | |
16 | #include "wx/bitmap.h" | |
17 | #include "wx/mgl/private.h" | |
18 | ||
19 | //----------------------------------------------------------------------------- | |
20 | // wxPen | |
21 | //----------------------------------------------------------------------------- | |
22 | ||
23 | class wxPenRefData: public wxObjectRefData | |
24 | { | |
25 | public: | |
26 | wxPenRefData(); | |
27 | wxPenRefData(const wxPenRefData& data); | |
28 | ||
29 | int m_width; | |
30 | int m_style; | |
31 | wxColour m_colour; | |
32 | wxBitmap m_stipple; | |
33 | pixpattern24_t m_pixPattern; | |
34 | ||
35 | // not used by wxMGL, but we want to preserve values | |
36 | int m_joinStyle; | |
37 | int m_capStyle; | |
38 | int m_countDashes; | |
39 | wxDash *m_dash; | |
40 | }; | |
41 | ||
42 | wxPenRefData::wxPenRefData() | |
43 | { | |
44 | m_width = 1; | |
45 | m_style = wxSOLID; | |
46 | m_joinStyle = wxJOIN_ROUND; | |
47 | m_capStyle = wxCAP_ROUND; | |
48 | m_dash = (wxDash*) NULL; | |
49 | m_countDashes = 0; | |
50 | ||
51 | int x, y, c; | |
52 | for (y = 0; y < 8; y++) | |
53 | for (x = 0; x < 8; x++) | |
54 | for (c = 0; c < 3; c++) | |
55 | m_pixPattern.p[x][y][c] = 0; | |
56 | } | |
57 | ||
58 | wxPenRefData::wxPenRefData(const wxPenRefData& data) | |
59 | { | |
60 | m_style = data.m_style; | |
61 | m_width = data.m_width; | |
62 | m_joinStyle = data.m_joinStyle; | |
63 | m_capStyle = data.m_capStyle; | |
64 | m_colour = data.m_colour; | |
65 | m_countDashes = data.m_countDashes; | |
66 | m_dash = data.m_dash; | |
67 | m_stipple = data.m_stipple; | |
68 | ||
69 | int x, y, c; | |
70 | for (y = 0; y < 8; y++) | |
71 | for (x = 0; x < 8; x++) | |
72 | for (c = 0; c < 3; c++) | |
73 | m_pixPattern.p[x][y][c] = data.m_pixPattern.p[x][y][c]; | |
74 | } | |
75 | ||
76 | //----------------------------------------------------------------------------- | |
77 | ||
78 | #define M_PENDATA ((wxPenRefData *)m_refData) | |
79 | ||
80 | IMPLEMENT_DYNAMIC_CLASS(wxPen,wxGDIObject) | |
81 | ||
82 | wxPen::wxPen() | |
83 | { | |
84 | if ( wxThePenList ) | |
85 | wxThePenList->AddPen(this); | |
86 | } | |
87 | ||
88 | wxPen::wxPen(const wxColour &colour, int width, int style) | |
89 | { | |
90 | m_refData = new wxPenRefData(); | |
91 | M_PENDATA->m_width = width; | |
92 | M_PENDATA->m_style = style; | |
93 | M_PENDATA->m_colour = colour; | |
94 | ||
95 | if ( wxThePenList ) | |
96 | wxThePenList->AddPen(this); | |
97 | } | |
98 | ||
99 | wxPen::wxPen(const wxBitmap& stipple, int width) | |
100 | { | |
101 | wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") ); | |
102 | wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8, | |
103 | _T("stipple bitmap must be 8x8") ); | |
104 | ||
105 | m_refData = new wxPenRefData(); | |
106 | M_PENDATA->m_width = width; | |
107 | M_PENDATA->m_style = wxSTIPPLE; | |
108 | M_PENDATA->m_stipple = stipple; | |
109 | wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL); | |
110 | ||
111 | if ( wxThePenList ) | |
112 | wxThePenList->AddPen(this); | |
113 | } | |
114 | ||
115 | wxPen::wxPen(const wxPen& pen) | |
116 | { | |
117 | Ref(pen); | |
118 | if ( wxThePenList ) | |
119 | wxThePenList->AddPen(this); | |
120 | } | |
121 | ||
122 | wxPen::~wxPen() | |
123 | { | |
124 | if ( wxThePenList ) | |
125 | wxThePenList->RemovePen(this); | |
126 | } | |
127 | ||
128 | wxPen& wxPen::operator = (const wxPen& pen) | |
129 | { | |
130 | if (*this == pen) return (*this); | |
131 | Ref(pen); | |
132 | return *this; | |
133 | } | |
134 | ||
135 | bool wxPen::operator == (const wxPen& pen) const | |
136 | { | |
137 | return m_refData == pen.m_refData; | |
138 | } | |
139 | ||
140 | bool wxPen::operator != (const wxPen& pen) const | |
141 | { | |
142 | return m_refData != pen.m_refData; | |
143 | } | |
144 | ||
145 | void wxPen::SetColour(const wxColour &colour) | |
146 | { | |
147 | Unshare(); | |
148 | M_PENDATA->m_colour = colour; | |
149 | } | |
150 | ||
151 | void wxPen::SetDashes(int number_of_dashes, const wxDash *dash) | |
152 | { | |
153 | Unshare(); | |
154 | M_PENDATA->m_countDashes = number_of_dashes; | |
155 | M_PENDATA->m_dash = (wxDash *)dash; /* TODO */ | |
156 | } | |
157 | ||
158 | void wxPen::SetColour(int red, int green, int blue) | |
159 | { | |
160 | Unshare(); | |
161 | M_PENDATA->m_colour.Set(red, green, blue); | |
162 | } | |
163 | ||
164 | void wxPen::SetCap(int capStyle) | |
165 | { | |
166 | Unshare(); | |
167 | M_PENDATA->m_capStyle = capStyle; | |
168 | } | |
169 | ||
170 | void wxPen::SetJoin(int joinStyle) | |
171 | { | |
172 | Unshare(); | |
173 | M_PENDATA->m_joinStyle = joinStyle; | |
174 | } | |
175 | ||
176 | void wxPen::SetStyle(int style) | |
177 | { | |
178 | Unshare(); | |
179 | M_PENDATA->m_style = style; | |
180 | } | |
181 | ||
182 | void wxPen::SetStipple(const wxBitmap& stipple) | |
183 | { | |
184 | wxCHECK_RET( stipple.Ok(), _T("invalid bitmap") ); | |
185 | wxCHECK_RET( stipple.GetWidth() == 8 && stipple.GetHeight() == 8, | |
186 | _T("stipple bitmap must be 8x8") ); | |
187 | ||
188 | Unshare(); | |
189 | M_PENDATA->m_stipple = stipple; | |
190 | wxBitmapToPixPattern(stipple, &(M_PENDATA->m_pixPattern), NULL); | |
191 | } | |
192 | ||
193 | void wxPen::SetWidth(int width) | |
194 | { | |
195 | Unshare(); | |
196 | M_PENDATA->m_width = width; | |
197 | } | |
198 | ||
199 | int wxPen::GetDashes(wxDash **ptr) const | |
200 | { | |
201 | *ptr = (M_PENDATA ? (wxDash*)M_PENDATA->m_dash : (wxDash*) NULL); | |
202 | return (M_PENDATA ? M_PENDATA->m_countDashes : 0); | |
203 | } | |
204 | ||
205 | int wxPen::GetDashCount() const | |
206 | { | |
207 | return (M_PENDATA->m_countDashes); | |
208 | } | |
209 | ||
210 | wxDash* wxPen::GetDash() const | |
211 | { | |
212 | return (wxDash*)M_PENDATA->m_dash; | |
213 | } | |
214 | ||
215 | int wxPen::GetCap() const | |
216 | { | |
217 | wxCHECK_MSG( Ok(), -1, wxT("invalid pen") ); | |
218 | ||
219 | return M_PENDATA->m_capStyle; | |
220 | } | |
221 | ||
222 | int wxPen::GetJoin() const | |
223 | { | |
224 | wxCHECK_MSG( Ok(), -1, wxT("invalid pen") ); | |
225 | ||
226 | return M_PENDATA->m_joinStyle; | |
227 | } | |
228 | ||
229 | int wxPen::GetStyle() const | |
230 | { | |
231 | wxCHECK_MSG( Ok(), -1, wxT("invalid pen") ); | |
232 | ||
233 | return M_PENDATA->m_style; | |
234 | } | |
235 | ||
236 | int wxPen::GetWidth() const | |
237 | { | |
238 | wxCHECK_MSG( Ok(), -1, wxT("invalid pen") ); | |
239 | ||
240 | return M_PENDATA->m_width; | |
241 | } | |
242 | ||
243 | wxColour &wxPen::GetColour() const | |
244 | { | |
245 | wxCHECK_MSG( Ok(), wxNullColour, wxT("invalid pen") ); | |
246 | ||
247 | return M_PENDATA->m_colour; | |
248 | } | |
249 | ||
250 | wxBitmap *wxPen::GetStipple() const | |
251 | { | |
252 | wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") ); | |
253 | ||
254 | return &(M_PENDATA->m_stipple); | |
255 | } | |
256 | ||
257 | void* wxPen::GetPixPattern() const | |
258 | { | |
259 | wxCHECK_MSG( Ok(), NULL, wxT("invalid pen") ); | |
260 | ||
261 | return (void*)&(M_PENDATA->m_pixPattern); | |
262 | } | |
263 | ||
264 | ||
265 | bool wxPen::Ok() const | |
266 | { | |
267 | return (m_refData != NULL); | |
268 | } | |
269 | ||
270 | void wxPen::Unshare() | |
271 | { | |
272 | if (!m_refData) | |
273 | { | |
274 | m_refData = new wxPenRefData(); | |
275 | } | |
276 | else | |
277 | { | |
278 | wxPenRefData* ref = new wxPenRefData( *(wxPenRefData*)m_refData ); | |
279 | UnRef(); | |
280 | m_refData = ref; | |
281 | } | |
282 | } | |
283 |