01: /*
02: * GeoTools - OpenSource mapping toolkit
03: * http://geotools.org
04: * (C) 2002-2006, GeoTools Project Managment Committee (PMC)
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation;
09: * version 2.1 of the License.
10: *
11: * This library 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 GNU
14: * Lesser General Public License for more details.
15: */
16: package org.geotools.styling;
17:
18: import org.opengis.filter.expression.Expression;
19: import org.geotools.event.GTComponent;
20:
21: /**
22: * A basic interface for objects which can hold color map entries.
23: * <pre>
24: * <xs:element name="ColorMapEntry">
25: * <xs:complexType>
26: * <xs:attribute name="color" type="xs:string" use="required"/>
27: * <xs:attribute name="opacity" type="xs:double"/>
28: * <xs:attribute name="quantity" type="xs:double"/>
29: * <xs:attribute name="label" type="xs:string"/>
30: * </xs:complexType>
31: * </xs:element>
32: * </pre>
33: * @source $URL: http://svn.geotools.org/geotools/tags/2.4.1/modules/library/api/src/main/java/org/geotools/styling/ColorMapEntry.java $
34: */
35: public interface ColorMapEntry extends GTComponent {
36: String getLabel();
37:
38: void setLabel(String label);
39:
40: void setColor(Expression color);
41:
42: Expression getColor();
43:
44: void setOpacity(Expression opacity);
45:
46: Expression getOpacity();
47:
48: void setQuantity(Expression quantity);
49:
50: Expression getQuantity();
51:
52: void accept(StyleVisitor visitor);
53: }
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