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 /*
* ¹¦ÄÜ£ºPHP
ͼƬˮӡ (ˮӡ֧³ÖͼƬ»òÎÄ×Ö)
* ²ÎÊý£º
*      $product_img    ±³¾°Í¼Æ¬£¬¼´ÐèÒª¼ÓˮӡµÄͼƬ£¬ÔÝÖ»Ö§³ÖGIF,JPG,PNG¸ñʽ£»
*      $waterPos        Ë®Ó¡Î»Öã¬ÓÐ10ÖÖ״̬£¬0ÎªËæ»úλÖã»
*                        1Ϊ¶¥¶Ë¾Ó×ó£¬2Ϊ¶¥¶Ë¾ÓÖУ¬3Ϊ¶¥¶Ë¾ÓÓÒ£»
*                        4ΪÖв¿¾Ó×ó£¬5ΪÖв¿¾ÓÖУ¬6ΪÖв¿¾ÓÓÒ£»
*                        7Ϊµ×¶Ë¾Ó×ó£¬8Ϊµ×¶Ë¾ÓÖУ¬9Ϊµ×¶Ë¾ÓÓÒ£»
*      $waterImage        Í¼Æ¬Ë®Ó¡£¬¼´×÷ΪˮӡµÄͼƬ£¬ÔÝÖ»Ö§³ÖGIF,JPG,PNG¸ñʽ£»
*      $waterText        ÎÄ×Öˮӡ£¬¼´°ÑÎÄ×Ö×÷ΪΪˮӡ£¬Ö§³ÖASCIIÂ룬²»Ö§³ÖÖÐÎÄ£»
*      $textFont        ÎÄ×Ö´óС£¬ÖµÎª1¡¢2¡¢3¡¢4»ò5£¬Ä¬ÈÏΪ5£»
*      $textColor        ÎÄ×ÖÑÕÉ«£¬ÖµÎªÊ®Áù½øÖÆÑÕɫֵ£¬Ä¬ÈÏΪ#FF0000(ºìÉ«)£»
*
* ×¢Ò⣺Support GD 2.0£¬Support FreeType¡¢GIF Read¡¢GIF Create¡¢JPG ¡¢PNG
*      $waterImage ºÍ $waterText ×îºÃ²»ÒªÍ¬Ê±Ê¹Óã¬Ñ¡ÆäÖÐÖ®Ò»¼´¿É£¬ÓÅÏÈʹÓà $waterImage¡£
*      µ±$waterImageÓÐЧʱ£¬²ÎÊý$waterString¡¢$stringFont¡¢$stringColor¾ù²»ÉúЧ¡£
*      ¼ÓˮӡºóµÄͼƬµÄÎļþ
ÃûºÍ $product_img Ò»Ñù¡£
* ×÷Õߣºlongware @ 2004-11-3 14:15:13
*/
function imageWaterMark($product_img,$waterPos=0,$waterImage="",$waterText="",$textFont=5,$textColor="#FF0000")
{
    $isWaterImage = FALSE;
    $formatMsg = "Ôݲ»Ö§³Ö¸ÃÎļþ¸ñʽ£¬ÇëÓÃͼƬ´¦ÀíÈí¼þ½«Í¼Æ¬×ª»»ÎªGIF¡¢JPG¡¢PNG¸ñʽ¡£";
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