<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >ps_set_text_pos</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_set_parameter" HREF="function.ps-set-parameter.html"><LINK REL="NEXT" TITLE="ps_set_value" HREF="function.ps-set-value.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-set-parameter.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-set-value.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ps-set-text-pos" ></A >ps_set_text_pos</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN192715" ></A ><P > (PECL)</P >ps_set_text_pos -- Sets position for text output</DIV ><DIV CLASS="refsect1" ><A NAME="AEN192718" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >ps_set_text_pos</B > ( resource psdoc, float x, float y )<BR ></BR ><P > Set the position for the next text output. You may alternatively set the x and y value separately by calling <A HREF="function.ps-set-value.html" ><B CLASS="function" >ps_set_value()</B ></A > and choosing <TT CLASS="literal" >textx</TT > respectively <TT CLASS="literal" >texty</TT > as the value name. </P ><P > If you want to output text at a certain position it is more convenient to use <A HREF="function.ps-show-xy.html" ><B CLASS="function" >ps_show_xy()</B ></A > instead of setting the text position and calling <A HREF="function.ps-show.html" ><B CLASS="function" >ps_show()</B ></A >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN192739" ></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" >x</CODE ></DT ><DD ><P > x-coordinate of the new text position. </P ></DD ><DT ><CODE CLASS="parameter" >y</CODE ></DT ><DD ><P > y-coordinate of the new text position. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN192759" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN192764" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN192767" ></A ><P ><B >例 1. Placing text at a given position</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$ps </font><font color="#007700">= </font><font color="#0000BB">ps_new</font><font color="#007700">();<br />if (!</font><font color="#0000BB">ps_open_file</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"text.ps"</font><font color="#007700">)) {<br /> print </font><font color="#DD0000">"Cannot open PostScript file\n"</font><font color="#007700">;<br /> exit;<br />}<br /><br /></font><font color="#0000BB">ps_set_info</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"Creator"</font><font color="#007700">, </font><font color="#DD0000">"rectangle.php"</font><font color="#007700">);<br /></font><font color="#0000BB">ps_set_info</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"Author"</font><font color="#007700">, </font><font color="#DD0000">"Uwe Steinmann"</font><font color="#007700">);<br /></font><font color="#0000BB">ps_set_info</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"Title"</font><font color="#007700">, </font><font color="#DD0000">"Text placement example"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">ps_begin_page</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">596</font><font color="#007700">, </font><font color="#0000BB">842</font><font color="#007700">);<br /></font><font color="#0000BB">$psfont </font><font color="#007700">= </font><font color="#0000BB">ps_findfont</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"Helvetica"</font><font color="#007700">, </font><font color="#DD0000">""</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br /></font><font color="#0000BB">ps_setfont</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">$psfont</font><font color="#007700">, </font><font color="#0000BB">8.0</font><font color="#007700">);<br /></font><font color="#0000BB">ps_show_xy</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"Some text at (100, 100)"</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">);<br /><br /></font><font color="#0000BB">ps_set_value</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"textx"</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">);<br /></font><font color="#0000BB">ps_set_value</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"texty"</font><font color="#007700">, </font><font color="#0000BB">120</font><font color="#007700">);<br /></font><font color="#0000BB">ps_show</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#DD0000">"Some text at (100, 120)"</font><font color="#007700">);<br /></font><font color="#0000BB">ps_end_page</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">);<br /><br /></font><font color="#0000BB">ps_delete</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN192770" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.ps-set-value.html" ><B CLASS="function" >ps_set_value()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.ps-show.html" ><B CLASS="function" >ps_show()</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-set-parameter.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-set-value.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ps_set_parameter</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" 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