Sophie: php-manual-zh-5.2.4-1mdv2008.1 noarch

php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>ps_lineto</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN191649"
></A
><P
>    (PECL)</P
>ps_lineto&nbsp;--&nbsp;Draws a line</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191652"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>ps_lineto</B
> ( resource psdoc, float x, float y )<BR
></BR
><P
>&#13;   Adds a straight line from the current point to the given coordinates to the
   current path. Use <A
HREF="function.ps-moveto.html"
><B
CLASS="function"
>ps_moveto()</B
></A
> to set the starting point
   of the line.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191668"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>psdoc</CODE
></DT
><DD
><P
>&#13;       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
>&#13;       x-coordinate of the end point of the line.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>y</CODE
></DT
><DD
><P
>&#13;       y-coordinate of the end point of the line.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191688"
></A
><H2
>返回值</H2
><P
>&#13;   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="AEN191693"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN191696"
></A
><P
><B
>例 1. Drawing a rectangle</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
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><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?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">"rectangle.ps"</font><font color="#007700">)) {<br />&nbsp;&nbsp;print </font><font color="#DD0000">"Cannot open PostScript file\n"</font><font color="#007700">;<br />&nbsp;&nbsp;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">$ps</font><font color="#007700">, </font><font color="#DD0000">"Title"</font><font color="#007700">, </font><font color="#DD0000">"Lineto example"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">ps_begin_page</font><font color="#007700">(</font><font color="#0000BB">$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">ps_moveto</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">);<br /></font><font color="#0000BB">ps_lineto</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">);<br /></font><font color="#0000BB">ps_lineto</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">);<br /></font><font color="#0000BB">ps_lineto</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">);<br /></font><font color="#0000BB">ps_lineto</font><font color="#007700">(</font><font color="#0000BB">$ps</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">, </font><font color="#0000BB">100</font><font color="#007700">);<br /></font><font color="#0000BB">ps_stroke</font><font color="#007700">(</font><font color="#0000BB">$ps</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">?&gt;</font>
</font>
</code></TD
></TR
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></DIV
></TD
></TR
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN191699"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.ps-moveto.html"
><B
CLASS="function"
>ps_moveto()</B
></A
></TD
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></P
>
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