001 /*
002 * GeoAPI - Java interfaces for OGC/ISO standards
003 * http://www.geoapi.org
004 *
005 * Copyright (C) 2004-2012 Open Geospatial Consortium, Inc.
006 * All Rights Reserved. http://www.opengeospatial.org/ogc/legal
007 *
008 * Permission to use, copy, and modify this software and its documentation, with
009 * or without modification, for any purpose and without fee or royalty is hereby
010 * granted, provided that you include the following on ALL copies of the software
011 * and documentation or portions thereof, including modifications, that you make:
012 *
013 * 1. The full text of this NOTICE in a location viewable to users of the
014 * redistributed or derivative work.
015 * 2. Notice of any changes or modifications to the OGC files, including the
016 * date changes were made.
017 *
018 * THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
019 * NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
020 * TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
021 * THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
022 * PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
023 *
024 * COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
025 * CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
026 *
027 * The name and trademarks of copyright holders may NOT be used in advertising or
028 * publicity pertaining to the software without specific, written prior permission.
029 * Title to copyright in this software and any associated documentation will at all
030 * times remain with copyright holders.
031 */
032 package org.opengis.style;
033
034 import java.util.List;
035 import org.opengis.annotation.Extension;
036 import org.opengis.filter.expression.Expression;
037 import org.opengis.annotation.XmlElement;
038 import org.opengis.annotation.XmlParameter;
039
040
041 /**
042 * The Font element identifies a font of a certain family, style, and size.
043 *
044 * @version <A HREF="http://www.opengeospatial.org/standards/symbol">Symbology Encoding Implementation Specification 1.1.0</A>
045 * @author Open Geospatial Consortium
046 * @author Johann Sorel (Geomatys)
047 * @author Chris Dillard (SYS Technologies)
048 * @since GeoAPI 2.2
049 */
050 @XmlElement("Font")
051 public interface Font {
052
053 //*************************************************************
054 // SVG PARAMETERS
055 //*************************************************************
056
057 /**
058 * The "font-family" SvgParameter element gives the family name of a font to use.
059 * Allowed values are system-dependent. Any number of font-family SvgParameter
060 * elements may be given and they are assumed to be in preferred order.
061 *
062 * @return live list of font family
063 */
064 @XmlParameter("font-familly")
065 List<Expression> getFamily();
066
067 /**
068 * The "font-style" SvgParameter element gives the style to use for a font. The allowed
069 * values are "normal", "italic", and "oblique".
070 * If null, the default is "normal".
071 * @return Expression or Expression.NIL
072 */
073 @XmlParameter("font-style")
074 Expression getStyle();
075
076 /**
077 * The "font-weight" SvgParameter element gives the amount of weight or boldness to use
078 * for a font. Allowed values are "normal" and "bold".
079 * If null, the default is "normal".
080 *
081 * @return Expression or or Expression.NIL
082 */
083 @XmlParameter("font-weight")
084 Expression getWeight();
085
086 /**
087 * The "font-size" SvgParameter element gives the size to use for the font in pixels. The
088 * default is defined to be 10 pixels, though various systems may have restrictions on what
089 * sizes are available.
090 *
091 * @return Expression or null
092 */
093 @XmlParameter("font-size")
094 Expression getSize();
095
096 /**
097 * calls the visit method of a StyleVisitor
098 *
099 * @param visitor the style visitor
100 */
101 @Extension
102 Object accept(StyleVisitor visitor, Object extraData);
103
104 }