PHP生成图片水印和文字水印_PHP教程

 
$font_path = "GILSANUB.TTF"; // Font file  
 
 $font_size = 30; // in pixcels   
 
 $water_mark_text_2 = "phpfuns"; // Watermark Text   
 
 function watermark_text($oldimage_name, $new_image_name)  
 
{ 
 
 global $font_path, $font_size, $water_mark_text_2;  
 
 list($owidth,$oheight) = getimagesize($oldimage_name);  
 
 $width = $height = 300;  
 
 $image = imagecreatetruecolor($width, $height);  
 
 $image_src = imagecreatefromjpeg($oldimage_name);  
 
 imagecopyresampled($image, $image_src, 0, 0, 0, 0, $width, $height, $owidth, $oheight);  
 
 $blue = imagecolorallocate($image, 79, 166, 185);  
 
 imagettftext($image, $font_size, 0, 68, 190, $blue, $font_path, $water_mark_text_2);  
 
 imagejpeg($image, $new_image_name, 100);  
 
 imagedestroy($image);  
 
 unlink($oldimage_name);  
 
 return true;  
 
}