1 /////////////////////////////////////////////////////////////////////////////
2 // Name: contrib/samples/ogl/studio/symbols.cpp
3 // Purpose: Implements the Studio symbol database
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 12/07/98
7 // RCS-ID: $Id: symbols.cpp 37440 2006-02-10 11:59:52Z ABX $
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #ifndef WX_PRECOMP
20 #include "wx/wx.h"
21 #endif
22
23 #include "wx/ogl/ogl.h" // base header of OGL, includes and adjusts wx/deprecated/setup.h
24
25 #include "studio.h"
26 #include "doc.h"
27 #include "shapes.h"
28 #include "view.h"
29 #include "symbols.h"
30
31 /*
32 * csSymbol
33 * Represents information about a symbol.
34 */
35
csSymbol(const wxString & name,wxShape * shape)36 csSymbol::csSymbol(const wxString& name, wxShape* shape)
37 {
38 m_name = name;
39 m_shape = shape;
40 m_toolId = 0;
41 }
42
~csSymbol()43 csSymbol::~csSymbol()
44 {
45 delete m_shape;
46 }
47
48 /*
49 * A table of all possible shapes.
50 * We can use this to construct a palette, etc.
51 */
csSymbolDatabase()52 csSymbolDatabase::csSymbolDatabase()
53 {
54 m_currentId = 800;
55 }
56
~csSymbolDatabase()57 csSymbolDatabase::~csSymbolDatabase()
58 {
59 ClearSymbols();
60 }
61
AddSymbol(csSymbol * symbol)62 void csSymbolDatabase::AddSymbol(csSymbol* symbol)
63 {
64 symbol->SetToolId(m_currentId);
65 m_symbols.Append(symbol);
66
67 m_currentId ++;
68 }
69
ClearSymbols()70 void csSymbolDatabase::ClearSymbols()
71 {
72 wxObjectList::compatibility_iterator node = m_symbols.GetFirst();
73 while (node)
74 {
75 csSymbol* symbol = (csSymbol*) node->GetData();
76 delete symbol;
77
78 node = node->GetNext();
79 }
80 m_symbols.Clear();
81 }
82
FindSymbol(const wxString & name) const83 csSymbol* csSymbolDatabase::FindSymbol(const wxString& name) const
84 {
85 wxObjectList::compatibility_iterator node = m_symbols.GetFirst();
86 while (node)
87 {
88 csSymbol* symbol = (csSymbol*) node->GetData();
89 if (symbol->GetName() == name)
90 return symbol;
91
92 node = node->GetNext();
93 }
94 return NULL;
95 }
96
FindSymbol(int toolId) const97 csSymbol* csSymbolDatabase::FindSymbol(int toolId) const
98 {
99 wxObjectList::compatibility_iterator node = m_symbols.GetFirst();
100 while (node)
101 {
102 csSymbol* symbol = (csSymbol*) node->GetData();
103 if (symbol->GetToolId() == toolId)
104 return symbol;
105
106 node = node->GetNext();
107 }
108 return NULL;
109 }
110
111 // Add symbols to database
InitSymbols()112 void csApp::InitSymbols()
113 {
114 m_symbolDatabase = new csSymbolDatabase;
115
116 wxShape* shape = new csCircleShape();
117 shape->AssignNewIds();
118 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
119
120 m_symbolDatabase->AddSymbol(new csSymbol(_T("Circle"), shape));
121
122 shape = new csCircleShadowShape();
123 shape->AssignNewIds();
124 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
125
126 m_symbolDatabase->AddSymbol(new csSymbol(_T("Circle shadow"), shape));
127
128 shape = new csThinRectangleShape();
129 shape->AssignNewIds();
130 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
131
132 m_symbolDatabase->AddSymbol(new csSymbol(_T("Thin Rectangle"), shape));
133
134 shape = new csWideRectangleShape();
135 shape->AssignNewIds();
136 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
137
138 m_symbolDatabase->AddSymbol(new csSymbol(_T("Wide Rectangle"), shape));
139
140 shape = new csSemiCircleShape();
141 shape->AssignNewIds();
142 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
143
144 m_symbolDatabase->AddSymbol(new csSymbol(_T("SemiCircle"), shape));
145
146 shape = new csTriangleShape();
147 shape->AssignNewIds();
148 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
149
150 m_symbolDatabase->AddSymbol(new csSymbol(_T("Triangle"), shape));
151
152 shape = new csOctagonShape();
153 shape->AssignNewIds();
154 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
155
156 m_symbolDatabase->AddSymbol(new csSymbol(_T("Octagon"), shape));
157
158 shape = new csGroupShape();
159 shape->AssignNewIds();
160 shape->SetEventHandler(new csEvtHandler(shape, shape, wxEmptyString));
161
162 m_symbolDatabase->AddSymbol(new csSymbol(_T("Group"), shape));
163 }
164
CreateToolBitmap(csSymbol * symbol,const wxSize & toolSize)165 wxBitmap* csSymbolDatabase::CreateToolBitmap(csSymbol* symbol, const wxSize& toolSize)
166 {
167 symbol->GetShape()->Recompute();
168
169 wxBitmap *newBitmap = new wxBitmap(toolSize.x, toolSize.y);
170
171 // Test code
172 #if 0
173 wxMemoryDC memDC;
174 memDC.SelectObject(*newBitmap);
175 memDC.SetPen(* wxBLACK_PEN);
176 memDC.SetBrush(* wxWHITE_BRUSH);
177 memDC.SetBackground(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), wxSOLID));
178 memDC.SetLogicalFunction(wxCOPY);
179 memDC.Clear();
180
181 memDC.DrawLine(0, 0, toolSize.x, toolSize.y);
182 memDC.DrawLine(0, toolSize.y, toolSize.x, 0);
183
184 memDC.SelectObject(wxNullBitmap);
185 #endif
186
187 #if 1
188 wxMemoryDC memDC;
189
190 double height, width, maxSize;
191 symbol->GetShape()->GetBoundingBoxMax(&width, &height);
192
193 if (height > width)
194 maxSize = height;
195 else
196 maxSize = width;
197
198 double borderMargin = 4.0;
199 double scaleFactor = (double)(toolSize.x / (maxSize + 2*borderMargin));
200 double centreX = (double)((toolSize.x/scaleFactor)/2.0)-1;
201 double centreY = centreX;
202
203 memDC.SelectObject(*newBitmap);
204
205 memDC.SetUserScale(scaleFactor, scaleFactor);
206
207 memDC.SetBackground(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), wxSOLID));
208 memDC.Clear();
209
210 symbol->GetShape()->Show(true);
211 symbol->GetShape()->Move(memDC, centreX, centreY);
212
213 memDC.SelectObject(wxNullBitmap);
214 #endif
215
216 return newBitmap;
217 }
218