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>imagepolygon</H1
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><P
> (PHP 3, PHP 4, PHP 5)</P
>imagepolygon -- Desenha um poligono</DIV
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>Descrição</H2
>int <B
CLASS="methodname"
>imagepolygon</B
> ( resource image, array points, int num_points, int color )<BR
></BR
><P
> <B
CLASS="function"
>imagepolygon()</B
> cria um poligono em uma imagem.
<CODE
CLASS="parameter"
>points</CODE
> é uma matriz PHP contendo os
vértices do poligono, ex. points[0] = x0, points[1] = y0, points[2]
= x1, points[3] = y1, etc. <CODE
CLASS="parameter"
>num_points</CODE
> é
o número total de pontos(vértices).
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>Exemplo 1. Exemplo <B
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>imagepolygon()</B
></B
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><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#FF8000">// cria uma imagem em branco<br /></font><font color="#0000BB">$image </font><font color="#007700">= </font><font color="#0000BB">imagecreate</font><font color="#007700">(</font><font color="#0000BB">400</font><font color="#007700">, </font><font color="#0000BB">300</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// prenche a cor do fundo<br /></font><font color="#0000BB">$bg </font><font color="#007700">= </font><font color="#0000BB">imagecolorallocate</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// escolhe uma cor para o poligono<br /></font><font color="#0000BB">$col_poly </font><font color="#007700">= </font><font color="#0000BB">imagecolorallocate</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">, </font><font color="#0000BB">255</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// desenha o poligono<br /></font><font color="#0000BB">imagepolygon</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">, <br /> array (<br /> </font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">,<br /> </font><font color="#0000BB">100</font><font color="#007700">, </font><font color="#0000BB">200</font><font color="#007700">,<br /> </font><font color="#0000BB">300</font><font color="#007700">, </font><font color="#0000BB">200<br /> </font><font color="#007700">),<br /> </font><font color="#0000BB">3</font><font color="#007700">,<br /> </font><font color="#0000BB">$col_poly</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// envia a imagem<br /></font><font color="#0000BB">header</font><font color="#007700">(</font><font color="#DD0000">"Content-type: image/png"</font><font color="#007700">);<br /></font><font color="#0000BB">imagepng</font><font color="#007700">(</font><font color="#0000BB">$image</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?></font>
</font>
</code></TD
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</P
><P
> Veja também <A
HREF="function.imagecreate.html"
><B
CLASS="function"
>imagecreate()</B
></A
> e
<A
HREF="function.imagecreatetruecolor.html"
><B
CLASS="function"
>imagecreatetruecolor()</B
></A
>.
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