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

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

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>imagestring</H1
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><P
>    (PHP 3, PHP 4, PHP 5)</P
>imagestring&nbsp;--&nbsp;水平地画一行字符串</DIV
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>说明</H2
>bool <B
CLASS="methodname"
>imagestring</B
> ( resource image, int font, int x, int y, string s, int col )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>imagestring()</B
> 用 <CODE
CLASS="parameter"
>col</CODE
>
   颜色将字符串 <CODE
CLASS="parameter"
>s</CODE
> 画到 <CODE
CLASS="parameter"
>image</CODE
>
   所代表的图像的 <CODE
CLASS="parameter"
>x</CODE
>，<CODE
CLASS="parameter"
>y</CODE
>
   坐标处（这是字符串左上角坐标，整幅图像的左上角为 0，0）。如果
   <CODE
CLASS="parameter"
>font</CODE
> 是 1，2，3，4 或 5，则使用内置字体。
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>&#13;   <TABLE
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><B
>例 1. <B
CLASS="function"
>imagestring()</B
> 例子</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// 建立一幅 100X30 的图像<br /></font><font color="#0000BB">$im </font><font color="#007700">= </font><font color="#0000BB">imagecreate</font><font color="#007700">(</font><font color="#0000BB">100</font><font color="#007700">, </font><font color="#0000BB">30</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// 白色背景和蓝色文本<br /></font><font color="#0000BB">$bg </font><font color="#007700">= </font><font color="#0000BB">imagecolorallocate</font><font color="#007700">(</font><font color="#0000BB">$im</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">);<br /></font><font color="#0000BB">$textcolor </font><font color="#007700">= </font><font color="#0000BB">imagecolorallocate</font><font color="#007700">(</font><font color="#0000BB">$im</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// 把字符串写在图像左上角<br /></font><font color="#0000BB">imagestring</font><font color="#007700">(</font><font color="#0000BB">$im</font><font color="#007700">, </font><font color="#0000BB">5</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="#DD0000">"Hello world!"</font><font color="#007700">, </font><font color="#0000BB">$textcolor</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// 输出图像<br /></font><font color="#0000BB">header</font><font color="#007700">(</font><font color="#DD0000">"Content-type: image/png"</font><font color="#007700">);<br /></font><font color="#0000BB">imagepng</font><font color="#007700">(</font><font color="#0000BB">$im</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
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><P
>&#13;   参见 <A
HREF="function.imageloadfont.html"
><B
CLASS="function"
>imageloadfont()</B
></A
> 和
   <A
HREF="function.imagettftext.html"
><B
CLASS="function"
>imagettftext()</B
></A
>。
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