root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / Circle2D.java @ 21308
History | View | Annotate | Download (7.52 KB)
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
18 |
*
|
19 |
* For more information, contact:
|
20 |
*
|
21 |
* Generalitat Valenciana
|
22 |
* Conselleria d'Infraestructures i Transport
|
23 |
* Av. Blasco Ib??ez, 50
|
24 |
* 46010 VALENCIA
|
25 |
* SPAIN
|
26 |
*
|
27 |
* +34 963862235
|
28 |
* gvsig@gva.es
|
29 |
* www.gvsig.gva.es
|
30 |
*
|
31 |
* or
|
32 |
*
|
33 |
* IVER T.I. S.A
|
34 |
* Salamanca 50
|
35 |
* 46005 Valencia
|
36 |
* Spain
|
37 |
*
|
38 |
* +34 963163400
|
39 |
* dac@iver.es
|
40 |
*/
|
41 |
package org.gvsig.fmap.geom.primitive; |
42 |
|
43 |
import java.awt.geom.AffineTransform; |
44 |
import java.awt.geom.Arc2D; |
45 |
import java.awt.geom.Point2D; |
46 |
import java.awt.geom.Rectangle2D; |
47 |
import java.util.ArrayList; |
48 |
|
49 |
import org.cresques.cts.IProjection; |
50 |
import org.gvsig.fmap.geom.GeometryManager; |
51 |
import org.gvsig.fmap.geom.handler.AbstractHandler; |
52 |
import org.gvsig.fmap.geom.handler.CuadrantHandler; |
53 |
import org.gvsig.fmap.geom.handler.Handler; |
54 |
import org.gvsig.fmap.geom.type.GeometryType; |
55 |
import org.gvsig.fmap.geom.util.UtilFunctions; |
56 |
|
57 |
/**
|
58 |
* DOCUMENT ME!
|
59 |
*
|
60 |
* @author Vicente Caballero Navarro
|
61 |
*/
|
62 |
public class Circle2D extends Surface2D implements Circle { |
63 |
|
64 |
private static final long serialVersionUID = 1L; |
65 |
|
66 |
private static GeometryType geomType = GeometryManager.getInstance() |
67 |
.registerGeometryType(Circle2D.class); |
68 |
|
69 |
public static int CODE = geomType.getType(); |
70 |
|
71 |
private Point2D center; |
72 |
private double radio; |
73 |
|
74 |
/**
|
75 |
* DOCUMENT ME!
|
76 |
*
|
77 |
* @param gpx
|
78 |
*/
|
79 |
public Circle2D(String id, IProjection projection, GeneralPathX gpx, |
80 |
Point2D c, double r) { |
81 |
super(id, projection, gpx);
|
82 |
center = c; |
83 |
radio = r; |
84 |
} |
85 |
|
86 |
public Point2D getCenter() { |
87 |
return center;
|
88 |
} |
89 |
|
90 |
public double getRadio() { |
91 |
return radio;
|
92 |
} |
93 |
|
94 |
/*
|
95 |
* (non-Javadoc)
|
96 |
*
|
97 |
* @see com.iver.cit.gvsig.fmap.core.FShape#cloneFShape()
|
98 |
*/
|
99 |
public FShape cloneFShape() {
|
100 |
return new Circle2D(id, projection, (GeneralPathX) gp.clone(), center, |
101 |
radio); |
102 |
} |
103 |
|
104 |
/**
|
105 |
* @see org.gvsig.fmap.geom.primitive.FShape#getShapeType()
|
106 |
*/
|
107 |
public int getShapeType() { |
108 |
return FShape.CIRCLE;
|
109 |
} |
110 |
|
111 |
/**
|
112 |
* DOCUMENT ME!
|
113 |
*
|
114 |
* @param at
|
115 |
* DOCUMENT ME!
|
116 |
*/
|
117 |
public void transform(AffineTransform at) { |
118 |
Point2D pdist = UtilFunctions.getPerpendicularPoint(new Point2D.Double( |
119 |
center.getX() + 10, center.getY()), new Point2D.Double(center |
120 |
.getX() - 10, center.getY()), center, radio);
|
121 |
Point2D aux = new Point2D.Double(); |
122 |
at.transform(center, aux); |
123 |
center = aux; |
124 |
Point2D aux3 = new Point2D.Double(); |
125 |
at.transform(pdist, aux3); |
126 |
radio = center.distance(aux3); |
127 |
gp.transform(at); |
128 |
} |
129 |
|
130 |
/**
|
131 |
* DOCUMENT ME!
|
132 |
*
|
133 |
* @return DOCUMENT ME!
|
134 |
*/
|
135 |
public Handler[] getStretchingHandlers() { |
136 |
ArrayList handlers = new ArrayList(); |
137 |
Rectangle2D rect = this.getBounds2D(); |
138 |
handlers |
139 |
.add(new CenterHandler(0, rect.getCenterX(), rect.getCenterY())); |
140 |
// handlers.add(new RadioHandler(1, rect.getX(), rect.getCenterY()));
|
141 |
// handlers.add(new RadioHandler(2, rect.getMaxX(), rect.getCenterY()));
|
142 |
// handlers.add(new RadioHandler(3, rect.getCenterX(), rect.getY()));
|
143 |
// handlers.add(new RadioHandler(3, rect.getCenterX(), rect.getMaxY()));
|
144 |
|
145 |
return (Handler[]) handlers.toArray(new Handler[0]); |
146 |
} |
147 |
|
148 |
public Handler[] getSelectHandlers() { |
149 |
ArrayList handlers = new ArrayList(); |
150 |
handlers.add(new CenterSelHandler(0, center.getX(), center.getY())); |
151 |
handlers.add(new RadioSelHandler(1, center.getX() - radio, center |
152 |
.getY())); |
153 |
handlers.add(new RadioSelHandler(2, center.getX() + radio, center |
154 |
.getY())); |
155 |
handlers.add(new RadioSelHandler(3, center.getX(), center.getY() |
156 |
- radio)); |
157 |
handlers.add(new RadioSelHandler(3, center.getX(), center.getY() |
158 |
+ radio)); |
159 |
|
160 |
return (Handler[]) handlers.toArray(new Handler[0]); |
161 |
} |
162 |
|
163 |
/**
|
164 |
* DOCUMENT ME!
|
165 |
*
|
166 |
* @author Vicente Caballero Navarro
|
167 |
*/
|
168 |
class CenterHandler extends AbstractHandler implements Handler { |
169 |
/**
|
170 |
* Crea un nuevo PointHandler.
|
171 |
*
|
172 |
* @param i
|
173 |
* DOCUMENT ME!
|
174 |
* @param x
|
175 |
* DOCUMENT ME!
|
176 |
* @param y
|
177 |
* DOCUMENT ME!
|
178 |
*/
|
179 |
public CenterHandler(int i, double x, double y) { |
180 |
point = new Point2D.Double(x, y); |
181 |
index = i; |
182 |
} |
183 |
|
184 |
/**
|
185 |
* DOCUMENT ME!
|
186 |
*
|
187 |
* @param x
|
188 |
* DOCUMENT ME!
|
189 |
* @param y
|
190 |
* DOCUMENT ME!
|
191 |
*
|
192 |
* @return DOCUMENT ME!
|
193 |
*/
|
194 |
public void move(double x, double y) { |
195 |
center = new Point2D.Double(center.getX() + x, center.getY() + y); |
196 |
for (int i = 0; i < gp.numCoords / 2; i++) { |
197 |
gp.pointCoords[i * 2] += x;
|
198 |
gp.pointCoords[i * 2 + 1] += y; |
199 |
} |
200 |
} |
201 |
|
202 |
/**
|
203 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
204 |
*/
|
205 |
public void set(double x, double y) { |
206 |
} |
207 |
|
208 |
} |
209 |
|
210 |
/**
|
211 |
* DOCUMENT ME!
|
212 |
*
|
213 |
* @author Vicente Caballero Navarro
|
214 |
*/
|
215 |
class CenterSelHandler extends AbstractHandler implements Handler { |
216 |
/**
|
217 |
* Crea un nuevo PointHandler.
|
218 |
*
|
219 |
* @param i
|
220 |
* DOCUMENT ME!
|
221 |
* @param x
|
222 |
* DOCUMENT ME!
|
223 |
* @param y
|
224 |
* DOCUMENT ME!
|
225 |
*/
|
226 |
public CenterSelHandler(int i, double x, double y) { |
227 |
point = new Point2D.Double(x, y); |
228 |
index = i; |
229 |
} |
230 |
|
231 |
/**
|
232 |
* DOCUMENT ME!
|
233 |
*
|
234 |
* @param x
|
235 |
* DOCUMENT ME!
|
236 |
* @param y
|
237 |
* DOCUMENT ME!
|
238 |
*
|
239 |
* @return DOCUMENT ME!
|
240 |
*/
|
241 |
public void move(double x, double y) { |
242 |
for (int i = 0; i < gp.numCoords / 2; i++) { |
243 |
gp.pointCoords[i * 2] += x;
|
244 |
gp.pointCoords[i * 2 + 1] += y; |
245 |
} |
246 |
} |
247 |
|
248 |
/**
|
249 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
250 |
*/
|
251 |
public void set(double x, double y) { |
252 |
center = new Point2D.Double(x, y); |
253 |
Arc2D.Double arc = new Arc2D.Double(center.getX() - radio, center |
254 |
.getY() |
255 |
- radio, 2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
256 |
gp = new GeneralPathX(arc);
|
257 |
|
258 |
} |
259 |
} |
260 |
|
261 |
/**
|
262 |
* DOCUMENT ME!
|
263 |
*
|
264 |
* @author Vicente Caballero Navarro
|
265 |
*/
|
266 |
class RadioSelHandler extends AbstractHandler implements CuadrantHandler { |
267 |
|
268 |
/**
|
269 |
* Crea un nuevo PointHandler.
|
270 |
*
|
271 |
* @param i
|
272 |
* DOCUMENT ME!
|
273 |
* @param x
|
274 |
* DOCUMENT ME!
|
275 |
* @param y
|
276 |
* DOCUMENT ME!
|
277 |
*/
|
278 |
public RadioSelHandler(int i, double x, double y) { |
279 |
point = new Point2D.Double(x, y); |
280 |
index = i; |
281 |
} |
282 |
|
283 |
/**
|
284 |
* DOCUMENT ME!
|
285 |
*
|
286 |
* @param x
|
287 |
* DOCUMENT ME!
|
288 |
* @param y
|
289 |
* DOCUMENT ME!
|
290 |
*
|
291 |
* @return DOCUMENT ME!
|
292 |
*/
|
293 |
public void move(double x, double y) { |
294 |
|
295 |
} |
296 |
|
297 |
/**
|
298 |
* @see org.gvsig.fmap.geom.handler.Handler#set(double, double)
|
299 |
*/
|
300 |
public void set(double x, double y) { |
301 |
radio = center.distance(x, y); |
302 |
Arc2D.Double arc = new Arc2D.Double(center.getX() - radio, center |
303 |
.getY() |
304 |
- radio, 2 * radio, 2 * radio, 0, 360, Arc2D.OPEN); |
305 |
gp = new GeneralPathX(arc);
|
306 |
} |
307 |
} |
308 |
|
309 |
/*
|
310 |
* (non-Javadoc)
|
311 |
*
|
312 |
* @see com.iver.cit.gvsig.fmap.core.FPolyline2D#intersects(java.awt.geom.Rectangle2D)
|
313 |
*/
|
314 |
public boolean intersects(Rectangle2D r) { |
315 |
return gp.intersects(r);
|
316 |
} |
317 |
|
318 |
public GeometryType getGeometryType() {
|
319 |
return geomType;
|
320 |
} |
321 |
} |