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

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

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>imagefilledellipse</H1
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><P
>    (PHP 4 &#62;= 4.0.6, PHP 5)</P
>imagefilledellipse&nbsp;--&nbsp;画一椭圆并填充</DIV
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><H2
>说明</H2
>bool <B
CLASS="methodname"
>imagefilledellipse</B
> ( resource image, int cx, int cy, int w, int h, int color )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>imagefilledellipse()</B
> 在
   <CODE
CLASS="parameter"
>image</CODE
> 所代表的图像中以
   <CODE
CLASS="parameter"
>cx</CODE
>，<CODE
CLASS="parameter"
>cy</CODE
>（图像左上角为
   0, 0）为中心画一个椭圆。<CODE
CLASS="parameter"
>w</CODE
> 和 <CODE
CLASS="parameter"
>h</CODE
>
   分别指定了椭圆的宽和高。椭圆用 <CODE
CLASS="parameter"
>color</CODE
> 颜色填充。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
>。
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><B
>例 1. <B
CLASS="function"
>imagefilledellipse()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">// create a blank image<br /></font><font color="#0000BB">$image </font><font color="#007700">= </font><font color="#0000BB">imagecreatetruecolor</font><font color="#007700">(</font><font color="#0000BB">400</font><font color="#007700">, </font><font color="#0000BB">300</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// fill the background color<br /></font><font color="#0000BB">$bg </font><font color="#007700">= </font><font color="#0000BB">imagecolorallocate</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// choose a color for the ellipse<br /></font><font color="#0000BB">$col_ellipse </font><font color="#007700">= </font><font color="#0000BB">imagecolorallocate</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// draw the white ellipse<br /></font><font color="#0000BB">imagefilledellipse</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">, </font><font color="#0000BB">150</font><font color="#007700">, </font><font color="#0000BB">300</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">, </font><font color="#0000BB">$col_ellipse</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// output the picture<br /></font><font color="#0000BB">header</font><font color="#007700">(</font><font color="#DD0000">"Content-type: image/png"</font><font color="#007700">);<br /></font><font color="#0000BB">imagepng</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?&gt;</font>
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><B
>注意: </B
>本函数需要 GD 2.0.1 或更高版本（推荐 2.0.28 及更高版本）。</P
></BLOCKQUOTE
></DIV
><P
>&#13;   参见 <A
HREF="function.imageellipse.html"
><B
CLASS="function"
>imageellipse()</B
></A
> 和
   <A
HREF="function.imagefilledarc.html"
><B
CLASS="function"
>imagefilledarc()</B
></A
>。
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