我正在尝试为我的论坛生成动态签名。一切正常，我生成了它，但是我需要获取带有 .png 扩展名的图像，因为目前图像的链接如下所示：
这是我的代码，我尝试保存图像，您可以在最后的注释行中看到，但我无法显示 .png 图片。只显示用 php 生成的那个。我需要的是具有正常扩展但动态的图像。
我的代码：
<?
$username="XXX"; //Your MySQL Username.
$password="XXX"; // Your MySQL Pass.
$database="XXX"; // Your MySQL database.
$host="localhost"; // Your MySQL host. This is "localhost" or the IP specified by your hosting company.
$player_name=$_GET['player_name']; // This gets the player his name from the previous page.
/* Next, we will make a connection to the mysql.
If it can't connect, it'll print on the screen: Unable to select database. Be sure the databasename exists and online is. */
mysql_connect($host,$username,$password); // Connection to the database.
@mysql_select_db($database) or die( "Unable to select database. Be sure the databasename exists and online is."); //Selection of the database. If it can't read the database, it'll give an error.
/* To protect MySQL injection. */
$player_name = stripslashes($player_name);
$player_name = mysql_real_escape_string($player_name);
$query="SELECT * FROM stats_dm WHERE account='".$player_name."' LIMIT 1;"; // Gets all the information about the player.
$result=mysql_query($query);
$i=mysql_num_rows($result); // Here we are counting how many rows this result gives us.
/* We will now put the player's information into variables so we can use them more easily. */
/* DON'T FORGET: The names should be exact the same as in your mysql db.*/
if ($i == 1) // If the user has been correct, then it'll give us 1 row. If its 1 row, then it'll proceed with the code.
{
$Playername=mysql_result($result,0,"lastNick"); // Gets the username of the player and put it in the variable $Playername.
$Money=mysql_result($result,0,"Money"); // Gets the money of the player and put it in the variable $Money.
$Score=mysql_result($result,0,"points"); // Gets the score of the player and put it in the variable $Score.
$Mapsplayed=mysql_result($result,0,"MapsPlayed"); // Gets the played maps.
$Wins=mysql_result($result,0,"MapsWon"); // Gets the winned maps.
// Creating of the .png image.
header('Content-Type: image/png;');
$im = @imagecreatefrompng('signature.png') or die("Cannot select the correct image. Please contact the webmaster."); // Don't forget to put your picture there.
$text_color_red = imagecolorallocate($im, 255,0,0); // RED, GREEN, BLUE --> Go to www.colorpicker.com, select a nice color. Copy the R/G/B letters provided by colorpicker and put them here.
$text_color_white = imagecolorallocate($im, 255,255,255);
$text_color_blue = imagecolorallocate($im, 0,100,255);
$text_color_black = imagecolorallocate($im, 30,30,30);
//$text_username = $Playername; // This gets the information about player name to be showed in the picture.
$text_username = preg_replace("/#[a-f0-9]{6}/i", "", $Playername);
$text_score = $Score; // Same as above ^^
$text_money = $Money; // Same as above ^^
$text_mapsplayed = $Mapsplayed; // Same as above ^^
$text_wins = $Wins; // Same as above ^^
// Set the enviroment variable for GD
putenv('GDFONTPATH=' . realpath('.'));
$font = 'impact'; //Upload your custum font to the directory where this file is placed. Then change the name here.
$dimensions = imagettfbbox(20, 0, $font, $text_username);
$textWidth = abs($dimensions[4] - $dimensions[0]);
$x = imagesx($im) - $textWidth;
/* USAGE OF THE imagettftext: First ($im) shouldn't be changed. (16) is the text-size. (0) is the angle of your text. Change it, and you'll see what's going on. (20) is de X-coordinate of the text.
(36) is the Y-coordinate of the text. */
//imagettftext($im, 16, 0, 230, 74, $text_color_red, $font, $text_username); // Prints the username in the picture.
//imagettftext($im, 14, 0, 301, 33, $text_color_blue, $font, $text_score); // Prints the score shadow in the picture.
//imagettftext($im, 14, 0, 300, 32, $text_color_white, $font, $text_score); // Prints the score in the picture.
imagettfstroketext($im, 14, 0, 300, 33, $text_color_white, $text_color_blue, $font, $text_score, 1); // Print pretty points
imagettftext($im, 10, 0, 50, 112, $text_color_white, $font, $text_money . "$"); // Prints the money in the picture.
imagettftext($im, 10, 0, 224, 112, $text_color_white, $font, $text_mapsplayed); // Prints maps played.
imagettftext($im, 10, 0, 328, 112, $text_color_white, $font, $text_wins); // Prints wins.
imagettfstroketext($im, 20, 0, $x, 74, $text_color_white, $text_color_black, $font, $text_username, 1);
//imagepng($im);
//imagepng($im, "/tmp/hedede.png");
//$save = strtolower($player_name) .".png";
//imagepng($im, $save);
//imagedestroy($im);
imagepng($im);
//$save = strtolower($player_name) .".png";
//chmod($save,0755);
//imagepng($im, $save, 0, NULL);
imagedestroy($im);
} else echo('Username is not in our database. Please try again.'); // If the username doesn't exist (so the row is 0) then it'll give en error.
mysql_close();
function imagettfstroketext(&$image, $size, $angle, $x, $y, &$textcolor, &$strokecolor, $fontfile, $text, $px) {
for($c1 = ($x-abs($px)); $c1 <= ($x+abs($px)); $c1++)
for($c2 = ($y-abs($px)); $c2 <= ($y+abs($px)); $c2++)
$bg = imagettftext($image, $size, $angle, $c1, $c2, $strokecolor, $fontfile, $text);
return imagettftext($image, $size, $angle, $x, $y, $textcolor, $fontfile, $text);
}
?>