<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ps_stringwidth</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="PostScript document creation" HREF="ref.ps.html"><LINK REL="PREVIOUS" TITLE="ps_string_geometry" HREF="function.ps-string-geometry.html"><LINK REL="NEXT" TITLE="ps_stroke" HREF="function.ps-stroke.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.ps-string-geometry.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ps-stroke.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ps-stringwidth" ></A >ps_stringwidth</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN194057" ></A ><P > (PECL)</P >ps_stringwidth -- Gets width of a string</DIV ><DIV CLASS="refsect1" ><A NAME="AEN194060" ></A ><H2 >说明</H2 >float <B CLASS="methodname" >ps_stringwidth</B > ( resource psdoc, string text [, int fontid [, float size]] )<BR ></BR ><P > Calculates the width of a string in points if it was output in the given font and font size. This function needs an Adobe font metrics file to calculate the precise width. If kerning is turned on, it will be taken into account. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN194078" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >psdoc</CODE ></DT ><DD ><P > Resource identifier of the postscript file as returned by <A HREF="function.ps-new.html" ><B CLASS="function" >ps_new()</B ></A >. </P ></DD ><DT ><CODE CLASS="parameter" >text</CODE ></DT ><DD ><P > The text for which the width is to be calculated. </P ></DD ><DT ><CODE CLASS="parameter" >fontid</CODE ></DT ><DD ><P > The identifier of the font to be used. If not font is specified the current font will be used. </P ></DD ><DT ><CODE CLASS="parameter" >size</CODE ></DT ><DD ><P > The size of the font. If no size is specified the current size is used. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN194103" ></A ><H2 >返回值</H2 ><P > Width of a string in points. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN194106" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.ps-string-geometry.html" ><B CLASS="function" >ps_string_geometry()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.ps-string-geometry.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.ps-stroke.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ps_string_geometry</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ps.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ps_stroke</TD ></TR ></TABLE ></DIV ></BODY ></HTML >