halo.html

来自「Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理」· HTML 代码 · 共 392 行

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:24 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>Halo (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.styling.Halo interface"><META NAME="keywords" CONTENT="getRadius()"><META NAME="keywords" CONTENT="setRadius()"><META NAME="keywords" CONTENT="getFill()"><META NAME="keywords" CONTENT="setFill()"><META NAME="keywords" CONTENT="accept()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){    parent.document.title="Halo (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/Halo.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../../org/geotools/styling/Graphic.html" title="interface in org.geotools.styling"><B>PREV CLASS</B></A>&nbsp;&nbsp;<A HREF="../../../org/geotools/styling/ImageOutline.html" title="interface in org.geotools.styling"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="Halo.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<SCRIPT type="text/javascript">  <!--  if(window==top) {    document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>');  }  //--></SCRIPT><NOSCRIPT>  <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.styling</FONT><BR>Interface Halo</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../org/geotools/event/GTComponent.html" title="interface in org.geotools.event">GTComponent</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/geotools/styling/HaloImpl.html" title="class in org.geotools.styling">HaloImpl</A></DD></DL><HR><DL><DT>public interface <B>Halo</B><DT>extends <A HREF="../../../org/geotools/event/GTComponent.html" title="interface in org.geotools.event">GTComponent</A></DL><P>A Halo fills an extended area outside the glyphs of a rendered textlabel to make it easier to read over a background. <p> The details of this object are taken from the <a href="https://portal.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.</a>: <pre><code> &lt;xsd:element name="Halo"&gt;   &lt;xsd:annotation&gt;     &lt;xsd:documentation&gt;      A "Halo" fills an extended area outside the glyphs of a rendered       text label to make the label easier to read over a background.     &lt;/xsd:documentation&gt;   &lt;/xsd:annotation&gt;   &lt;xsd:complexType&gt;     &lt;xsd:sequence&gt;       &lt;xsd:element ref="sld:Radius" minOccurs="0"/&gt;       &lt;xsd:element ref="sld:Fill" minOccurs="0"/&gt;     &lt;/xsd:sequence&gt;   &lt;/xsd:complexType&gt; &lt;/xsd:element&gt; </code></pre> </p> <p> Renderers can use this information when displaying styled features, though it must be remembered that not all renderers will be able to fully represent strokes as set out by this interface.  For example, opacity may not be supported. </p> <p> Notes: <ul> <li> The graphical parameters and their values are derived from SVG/CSS2 standards with names and semantics which are as close as possible. </li> </ul> </p> $Id: Halo.java 21455 2006-09-17 13:17:01Z jdeolive $<P><P><DL><DT><B>Author:</B></DT>  <DD>Ian Turton, CCG</DD><DT><B>Module:</B></DT><DD><CODE><B>module/api</B></CODE> &nbsp; (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-api/"><CODE>gt2-api.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/api/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/api/src/org/geotools/styling/Halo.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/styling/Halo.html#accept(org.geotools.styling.StyleVisitor)">accept</A></B>(<A HREF="../../../org/geotools/styling/StyleVisitor.html" title="interface in org.geotools.styling">StyleVisitor</A>&nbsp;visitor)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../../../org/geotools/styling/Fill.html" title="interface in org.geotools.styling">Fill</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/styling/Halo.html#getFill()">getFill</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The fill (color) of the halo</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/styling/Halo.html#getRadius()">getRadius</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expression that represents the the distance the halo extends from the text</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/styling/Halo.html#setFill(org.geotools.styling.Fill)">setFill</A></B>(<A HREF="../../../org/geotools/styling/Fill.html" title="interface in org.geotools.styling">Fill</A>&nbsp;fill)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The fill (color) of the halo</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/styling/Halo.html#setRadius(org.geotools.filter.Expression)">setRadius</A></B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;radius)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expression that represents the the distance the halo extends from the text</TD></TR></TABLE>&nbsp;<A NAME="methods_inherited_from_class_GTComponent"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface <A HREF="../../../org/geotools/event/GTComponent.html" title="interface in org.geotools.event">GTComponent</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../org/geotools/event/GTComponent.html#changed(org.geotools.event.GTDelta)">changed</A>, <A HREF="../../../org/geotools/event/GTComponent.html#getNote()">getNote</A>, <A HREF="../../../org/geotools/event/GTComponent.html#getParent()">getParent</A>, <A HREF="../../../org/geotools/event/GTComponent.html#removed(org.geotools.event.GTDelta)">removed</A>, <A HREF="../../../org/geotools/event/GTComponent.html#setNote(org.geotools.event.GTNote)">setNote</A></CODE></TD></TR></TABLE>&nbsp;<P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getRadius()"><!-- --></A><H3>getRadius</H3><PRE>public <A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A> <B>getRadius</B>()</PRE><DL><DD>Expression that represents the the distance the halo extends from the text<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>DOCUMENT ME!</DL></DD></DL><HR><A NAME="setRadius(org.geotools.filter.Expression)"><!-- --></A><H3>setRadius</H3><PRE>public void <B>setRadius</B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;radius)</PRE><DL><DD>Expression that represents the the distance the halo extends from the text<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>radius</CODE> - DOCUMENT ME!</DL></DD></DL><HR><A NAME="getFill()"><!-- --></A><H3>getFill</H3><PRE>public <A HREF="../../../org/geotools/styling/Fill.html" title="interface in org.geotools.styling">Fill</A> <B>getFill</B>()</PRE><DL><DD>The fill (color) of the halo<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>DOCUMENT ME!</DL></DD></DL><HR><A NAME="setFill(org.geotools.styling.Fill)"><!-- --></A><H3>setFill</H3><PRE>public void <B>setFill</B>(<A HREF="../../../org/geotools/styling/Fill.html" title="interface in org.geotools.styling">Fill</A>&nbsp;fill)</PRE><DL><DD>The fill (color) of the halo<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>fill</CODE> - DOCUMENT ME!</DL></DD></DL><HR><A NAME="accept(org.geotools.styling.StyleVisitor)"><!-- --></A><H3>accept</H3><PRE>public void <B>accept</B>(<A HREF="../../../org/geotools/styling/StyleVisitor.html" title="interface in org.geotools.styling">StyleVisitor</A>&nbsp;visitor)</PRE><DL><DD><DL></DL></DD><DD><DL></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/Halo.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../../org/geotools/styling/Graphic.html" title="interface in org.geotools.styling"><B>PREV CLASS</B></A>&nbsp;&nbsp;<A HREF="../../../org/geotools/styling/ImageOutline.html" title="interface in org.geotools.styling"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="Halo.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<SCRIPT type="text/javascript">  <!--  if(window==top) {    document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>');  }  //--></SCRIPT><NOSCRIPT>  <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR>Copyright &copy; 1996-2007 <a href="http://www.geotools.org">Geotools</a>. 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