1 private string[] ReadPair()
2 {
3 string code = sr.ReadLine().Trim();
4 string codedata = sr.ReadLine().Trim();
5 count += 2;
6 string[] result = new string[2] { code, codedata };
7 return result;
8 }
9
10 private void Read()
11 {
12 while (sr.Peek() != -1)
13 {
14 str = ReadPair();
15 if (str[1] == "SECTION")
16 {
17 str = ReadPair();
18 switch (str[1])
19 {
20 case "HEADER": ReadHeader();
21 break;
22 case "TABLES": ReadTable();
23 break;
24 case "ENTITIES": ReadEntities();
25 break;
26 }
27 }
28 }
29 sr.Close();
30 fs.Close();
31 btDraw.Enabled = true;
32 label1.Text = count.ToString();
33 count = 0;
34
35 }
36
37 private void ReadTable()
38 {
39 while (str[1] != "ENDSEC")
40 {
41 while (str[0] != "2" || str[1] != "LAYER")
42 {
43 str = ReadPair();
44 }
45 while (str[0] != "0" || str[1] != "LAYER")
46 {
47 str = ReadPair();
48 }
49 while (str[0] == "0" && str[1] == "LAYER")
50 {
51 ReadLAYER();
52 }
53 while (str[1] != "ENDSEC")
54 {
55 str = ReadPair();
56 }
57 }
58 }
59
60 private void ReadLAYER()
61 {
62 LAYER newlayer = new LAYER();
63 while (str[1] != "ENDTAB")
64 {
65 str = ReadPair();
66 switch (str[0])
67 {
68 case "2": newlayer.name = str[1];
69 break;
70 case "62": newlayer.colornum = str[1];
71 break;
72 case "6": newlayer.lstyle = str[1];
73 break;
74 case "370": newlayer.lwidth = str[1];
75 break;
76 }
77 if (str[0] == "0" && str[1] == "LAYER")
78 {
79 LayerList.Add(newlayer);
80 return;
81 }
82 }
83 LayerList.Add(newlayer);
84 }
85
86 private void ReadEntities()
87 {
88 while (str[1] != "ENDSEC")
89 {
90 switch (str[1])
91 {
92 case "LINE": ReadLine();
93 break;
94 case "ARC": ReadArc();
95 break;
96 case "CIRCLE": ReadArc();
97 break;
98 case "ELLIPSE": ReadEllipse();
99 break;
100 case "LWPOLYLINE": ReadLwpolyline();
101 break;
102 case "SPLINE": ReadSpline();
103 break;
104 default: str = ReadPair();
105 break;
106 }
107
108 }
109 }
110
111 private void ReadArc()
112 {
113 ARC newarc = new ARC();
114 while (str[1] != "ENDSEC")
115 {
116 str = ReadPair();
117 switch (str[0])
118 {
119 case "8": newarc.LName = str[1];
120 break;
121 case "10": newarc.CenterX = Double.Parse(str[1]);
122 break;
123 case "20": newarc.CenterY = Double.Parse(str[1]);
124 break;
125 case "40": newarc.Radiu = Double.Parse(str[1]);
126 break;
127 case "50": newarc.SAngle = Double.Parse(str[1]);
128 break;
129 case "51": newarc.EAngle = Double.Parse(str[1]);
130 break;
131 case "370": newarc.lwidth = str[1];
132 break;
133 case "0": ArcList.Add(newarc);
134 return;
135 }
136 }
137 }
138
139 private void ReadLine()
140 {
141 LINE newline = new LINE();
142 while (str[1] != "ENDSEC")
143 {
144 str = ReadPair();
145 switch (str[0])
146 {
147 case "8": newline.LName = str[1];
148 break;
149 case "10": newline.StartX = Double.Parse(str[1]);
150 break;
151 case "20": newline.StartY = Double.Parse(str[1]);
152 break;
153 case "11": newline.EndX = Double.Parse(str[1]);
154 break;
155 case "21": newline.EndY = Double.Parse(str[1]);
156 break;
157 case "62": newline.colornum = str[1];
158 break;
159 case "370": newline.lwidth = str[1];
160 break;
161 case "0": LineList.Add(newline);
162 return;
163 }
164 }
165 }
166
167 private void ReadEllipse()
168 {
169 ELLIPSE newellipse = new ELLIPSE();
170 while (str[1] != "ENDSEC")
171 {
172 str = ReadPair();
173 switch (str[0])
174 {
175 case "8": newellipse.LName = str[1];
176 break;
177 case "10": newellipse.CenterX = Double.Parse(str[1]);
178 break;
179 case "20": newellipse.CenterY = Double.Parse(str[1]);
180 break;
181 case "11": newellipse.DeltaX = Double.Parse(str[1]);
182 break;
183 case "21": newellipse.DeltaY = Double.Parse(str[1]);
184 break;
185 case "40": newellipse.Radio = Double.Parse(str[1]);
186 break;
187 case "41": newellipse.PSAngle = Double.Parse(str[1]);
188 break;
189 case "42": newellipse.PEAngle = Double.Parse(str[1]);
190 break;
191 case "370": newellipse.lwidth = str[1];
192 break;
193 case "0": EllipseList.Add(newellipse);
194 return;
195 }
196 }
197 }
198
199 private void ReadLwpolyline()
200 {
201 LWPOLYLINE newlw = new LWPOLYLINE();
202 while (str[1] != "ENDSEC")
203 {
204 str = ReadPair();
205 switch (str[0])
206 {
207 case "8": newlw.LName = str[1];
208 break;
209 case "370": newlw.lwidth = str[1];
210 break;
211 case "62": newlw.colornum = str[1];
212 break;
213 case "90": newlw.PointCount = Int32.Parse(str[1]);
214 break;
215 case "70": newlw.Flag = Int32.Parse(str[1]);
216 break;
217 case "10": newlw.pointx = new double[newlw.PointCount];
218 newlw.pointy = new double[newlw.PointCount];
219 //if (newlw.Flag == 1)
220 newlw.converxity = new double[newlw.PointCount];
221 //else
222 //newlw.converxity = new double[newlw.PointCount - 1];
223 newlw.pointx[0] = Double.Parse(str[1]);
224 str=ReadPair();
225 newlw.pointy[0] = Double.Parse(str[1]);
226 for (int i = 1; i < newlw.PointCount; i++)
227 {
228 string temp = sr.ReadLine().Trim();
229 if (temp == "42")
230 {
231 newlw.converxity[i - 1] = Double.Parse(sr.ReadLine().Trim());
232 i--;
233 }
234 else if (temp == "20")
235 {
236 string r = sr.ReadLine().Trim();
237 newlw.pointy[i] = Double.Parse(r);
238 }
239 else
240 {
241 string r = sr.ReadLine().Trim();
242 newlw.pointx[i] = Double.Parse(r);
243 i--;
244 }
245 }
246 string s = sr.ReadLine().Trim();
247 if (s == "42")
248 newlw.converxity[newlw.PointCount - 1] = Double.Parse(sr.ReadLine().Trim());
249 else if (s == "0")
250 {
251 sr.ReadLine();
252 LwopolylineList.Add(newlw);
253 return;
254 }
255 else sr.ReadLine();
256 break;
257 case "0": LwopolylineList.Add(newlw);
258 return;
259 }
260 }
261 }
262
263 public void ReadSpline()
264 {
265 SPLINE newspline = new SPLINE();
266 while (str[1] != "ENDSEC")
267 {
268 str = ReadPair();
269 switch (str[0])
270 {
271 case "8": newspline.LName = str[1];
272 break;
273 case "370": newspline.lwidth = str[1];
274 break;
275 case "62": newspline.colornum = str[1];
276 break;
277 case "70": newspline.Flag = Int32.Parse(str[1]);
278 break;
279 case "74": newspline.Count = Int32.Parse(str[1]);
280 newspline.throughpx = new double[Int32.Parse(str[1])];
281 newspline.throughpy = new double[Int32.Parse(str[1])];
282 break;
283 case "12": newspline.SVertorX = Double.Parse(str[1]);
284 break;
285 case "22": newspline.SVertorY = Double.Parse(str[1]);
286 break;
287 case "13": newspline.EVertorX = Double.Parse(str[1]);
288 break;
289 case "23": newspline.EVertorY = Double.Parse(str[1]);
290 break;
291 case "11": newspline.throughpx[0] = Double.Parse(str[1]);
292 str = ReadPair();
293 newspline.throughpy[0] = Double.Parse(str[1]);
294 str = ReadPair();
295 for(int i=1;i<newspline.throughpx.Length;i++)
296 {
297 str=ReadPair();
298 if(str[0]=="11")
299 {
300 newspline.throughpx[i]=Double.Parse(str[1]);
301 i--;
302 }
303 else if(str[0]=="21")
304 {
305 newspline.throughpy[i]=Double.Parse(str[1]);
306 i--;
307 }
308 }
309 if(newspline.Flag==11)
310 {
311 for(int i=0;i<3;i++)
312 {
313 str=ReadPair();
314 }
315 }
316 break;
317 case "0": SplineList.Add(newspline);
318 return;
319 }
320 }
321 }
322
323 public void ReadHeader()
324 {
325 while (str[1] != "ENDSEC")
326 {
327 str = ReadPair();
328 switch (str[1])
329 {
330 case "$EXTMIN": str = ReadPair();
331 leftx = Double.Parse(str[1]);
332 str = ReadPair();
333 lefty = Double.Parse(str[1]);
334 break;
335 case "$EXTMAX": str = ReadPair();
336 rightx = Double.Parse(str[1]);
337 str = ReadPair();
338 righty = Double.Parse(str[1]);
339 break;
340 }
341 }
342 }
