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>ps_circle</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN190522"
></A
><P
> (PECL)</P
>ps_circle -- Draws a circle</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN190525"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>ps_circle</B
> ( resource psdoc, float x, float y, float radius )<BR
></BR
><P
> Draws a circle with its middle point at (<CODE
CLASS="parameter"
>x</CODE
>,
<CODE
CLASS="parameter"
>y</CODE
>). The circle starts and ends at position
(<CODE
CLASS="parameter"
>x</CODE
>+<CODE
CLASS="parameter"
>radius</CODE
>,
<CODE
CLASS="parameter"
>y</CODE
>). If this function is called outside a path it
will start a new path. If it is called within a path it will add the circle
as a subpath. If the last drawing operation does not end in point
(<CODE
CLASS="parameter"
>x</CODE
>+<CODE
CLASS="parameter"
>radius</CODE
>,
<CODE
CLASS="parameter"
>y</CODE
>) then there will be a gap in the path.
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN190551"
></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
> The x-coordinate of the circle's middle point.
</P
></DD
><DT
><CODE
CLASS="parameter"
>y</CODE
></DT
><DD
><P
> The y-coordinate of the circle's middle point.
</P
></DD
><DT
><CODE
CLASS="parameter"
>radius</CODE
></DT
><DD
><P
> The radius of the circle
</P
></DD
></DL
></DIV
>
</P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN190576"
></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="AEN190581"
></A
><H2
>参见</H2
><P
> <P
></P
><TABLE
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><TR
><TD
><A
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><B
CLASS="function"
>ps_arc()</B
></A
></TD
></TR
><TR
><TD
><A
HREF="function.ps-arcn.html"
><B
CLASS="function"
>ps_arcn()</B
></A
></TD
></TR
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><P
></P
>
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