svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / marker / impl / ArrowMarkerSymbol.java @ 42439
History | View | Annotate | Download (5.43 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.impl; |
25 |
|
26 |
import java.awt.BasicStroke; |
27 |
import java.awt.Graphics2D; |
28 |
import java.awt.geom.AffineTransform; |
29 |
|
30 |
import org.gvsig.fmap.dal.feature.Feature; |
31 |
import org.gvsig.fmap.geom.Geometry; |
32 |
import org.gvsig.fmap.geom.primitive.GeneralPathX; |
33 |
import org.gvsig.fmap.geom.primitive.Point; |
34 |
import org.gvsig.fmap.mapcontext.MapContext; |
35 |
import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
36 |
import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
37 |
import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IArrowMarkerSymbol; |
38 |
import org.gvsig.tools.ToolsLocator; |
39 |
import org.gvsig.tools.dynobject.DynStruct; |
40 |
import org.gvsig.tools.persistence.PersistenceManager; |
41 |
import org.gvsig.tools.persistence.PersistentState; |
42 |
import org.gvsig.tools.persistence.exception.PersistenceException; |
43 |
import org.gvsig.tools.task.Cancellable; |
44 |
import org.gvsig.tools.util.Callable; |
45 |
|
46 |
/**
|
47 |
* @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
|
48 |
* @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
|
49 |
*/
|
50 |
public class ArrowMarkerSymbol extends AbstractMarkerSymbol implements CartographicSupport, IArrowMarkerSymbol { |
51 |
|
52 |
public static final String ARROW_MARKER_SYMBOL_DYNCLASS_NAME = "ArrowMarkerSymbol"; |
53 |
|
54 |
private static final String FIELD_SHARPNESS = "sharpness"; |
55 |
|
56 |
private ArrowMarkerSymbol symSel;
|
57 |
private double sharpeness; |
58 |
|
59 |
public ISymbol getSymbolForSelection() {
|
60 |
if (symSel == null) { |
61 |
//symSel = new ArrowMarkerSymbol();
|
62 |
symSel = (ArrowMarkerSymbol)this.cloneForSelection();
|
63 |
symSel.setColor(MapContext.getSelectionColor()); |
64 |
}else{
|
65 |
symSel.setColor(MapContext.getSelectionColor()); |
66 |
} |
67 |
|
68 |
return symSel;
|
69 |
} |
70 |
|
71 |
public String getClassName() { |
72 |
return getClass().getName();
|
73 |
} |
74 |
|
75 |
/**
|
76 |
* To get the sharpeness attribute.It will determine the final form of the arrow
|
77 |
* @return
|
78 |
*/
|
79 |
public double getSharpness() { |
80 |
return sharpeness;
|
81 |
} |
82 |
|
83 |
/**
|
84 |
* To set the sharpeness.It will determine the final form of the arrow
|
85 |
* @param sharpeness, the value of the arrow's edge angle IN RADIANS
|
86 |
* @see #getSharpeness()
|
87 |
*/
|
88 |
public void setSharpness(double sharpeness) { |
89 |
this.sharpeness = sharpeness;
|
90 |
} |
91 |
|
92 |
public void draw(Graphics2D g, AffineTransform affineTransform, |
93 |
Geometry geom, Feature feature, Cancellable cancel) { |
94 |
|
95 |
if (geom == null) { |
96 |
return;
|
97 |
} |
98 |
Point p = (Point) geom; |
99 |
double radian_half_sharpeness = Math.toRadians(getSharpness()*.5); // |
100 |
|
101 |
double size = getSize();
|
102 |
double halfHeight = size * Math.tan(radian_half_sharpeness); |
103 |
double theta = getRotation();
|
104 |
|
105 |
g.setColor(getColor()); |
106 |
|
107 |
g.setStroke(new BasicStroke()); |
108 |
|
109 |
AffineTransform newAf = (AffineTransform)affineTransform.clone(); |
110 |
|
111 |
newAf.translate(p.getX(), p.getY()); |
112 |
newAf.rotate(theta); |
113 |
|
114 |
GeneralPathX gp = new GeneralPathX();
|
115 |
gp.moveTo(0, 0); |
116 |
gp.lineTo(size, -halfHeight); |
117 |
gp.lineTo(size, halfHeight); |
118 |
gp.closePath(); |
119 |
|
120 |
gp.transform(newAf); |
121 |
|
122 |
g.fill(gp); |
123 |
} |
124 |
|
125 |
public Object clone() throws CloneNotSupportedException { |
126 |
ArrowMarkerSymbol copy = (ArrowMarkerSymbol) super.clone();
|
127 |
|
128 |
// Clone the selection symbol
|
129 |
if (symSel != null) { |
130 |
copy.symSel = (ArrowMarkerSymbol) symSel.clone(); |
131 |
} |
132 |
return copy;
|
133 |
} |
134 |
|
135 |
public void loadFromState(PersistentState state) |
136 |
throws PersistenceException {
|
137 |
// Set parent fill symbol properties
|
138 |
super.loadFromState(state);
|
139 |
|
140 |
// Set own properties
|
141 |
setSharpness(state.getDouble(FIELD_SHARPNESS)); |
142 |
} |
143 |
|
144 |
public void saveToState(PersistentState state) throws PersistenceException { |
145 |
// Save parent fill symbol properties
|
146 |
super.saveToState(state);
|
147 |
|
148 |
// Save own properties
|
149 |
state.set(FIELD_SHARPNESS, getSharpness()); |
150 |
} |
151 |
|
152 |
public static class RegisterPersistence implements Callable { |
153 |
|
154 |
public Object call() throws Exception { |
155 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
156 |
if( manager.getDefinition(ARROW_MARKER_SYMBOL_DYNCLASS_NAME)==null ) { |
157 |
DynStruct definition = manager.addDefinition( |
158 |
ArrowMarkerSymbol.class, |
159 |
ARROW_MARKER_SYMBOL_DYNCLASS_NAME, |
160 |
ARROW_MARKER_SYMBOL_DYNCLASS_NAME+" Persistence definition",
|
161 |
null,
|
162 |
null
|
163 |
); |
164 |
// Extend the FillSymbol base definition
|
165 |
definition.extend(manager.getDefinition(MARKER_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
166 |
|
167 |
// Sharpeness
|
168 |
definition.addDynFieldDouble(FIELD_SHARPNESS).setMandatory(true);
|
169 |
} |
170 |
return Boolean.TRUE; |
171 |
} |
172 |
|
173 |
} |
174 |
|
175 |
} |