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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                1、PHP繪制多邊形: (1)空心多邊形:imagepolygon($image, $points, $num_points, $color)。 (2)實心多邊形:imagefilledpolygon($image, $points, $num_points, $color)。 代碼如下: $img = imagecreatetruecolor(600, 600); imagefill($img, 0, 0, imagecolorallocate($img, 255, 0, 0)); $point = array(10,10,590,10,590,590,300,400); //空心多邊形 //imagepolygon($img, $point, 4, imagecolorallocate($img, 255, 255, 255)); //實心多邊形 imagefilledpolygon($img, $point, 4, imagecolorallocate($img, 255, 255, 255)); header('Content-type:image/jpeg'); imagejpeg($img); 效果圖如下: ![](https://box.kancloud.cn/32e30cea8bb7ebf61da799d7f8526333_614x618.jpg =500x400) 2、PHP繪制文字: (1)橫排文字:imagechar($image, $font, $x, $y, $c, $color)。 代碼如下: $img = imagecreatetruecolor(300, 300); imagefill($img, 0, 0, imagecolorallocate($img, 123, 0, 123)); $str = 'http://www.baidu.com'; $str_len = strlen($str); for($i=0;$i<$str_len;$i++){ $new_str = substr($str, $i,1); imagechar($img, 5, 10+$i*10, 10, $new_str, imagecolorallocate($img, 255, 255, 255)); } header('Content-type:image/jpeg'); imagejpeg($img);
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