关于这段代码提示的错误

[zp7999]

<?php
//在线拍照设置
//相框所在文件夹名

$width = (int)$_POST["width"];
$height = (int)$_POST["height"];
$colors =(int)$_POST["image"];

function hex2rgb($color)
{
return array(hexdec(substr($color, 0, 2)), hexdec(substr($color, 2, 2)), hexdec(substr($color, 4, 2)));
}

$im = imagecreatetruecolor($width, $height);
imagecolorallocate($im, 255, 255, 255);

$pixs = explode(",", $colors);
array_pop($pixs);

$x = 0;
$y = 0;

$im1 = imagecreate(1, 1);

foreach ($pixs as $p)
{
list($r, $g, $b) = hex2rgb($p);

$_color = imagecolorallocate($im, $r, $g, $b);
imagesetpixel($im, $x, $y, $_color);

$x ++;
if ($x == $width)
{
$x = 0;
$y += 1;
}
}
$filename=time().".jpg";

if(!imagejpeg($im,"image/".$filename)){
echo "图片生成错误";
}
Header("location: pttsave.asp?filename={$filename}");


?>

提示错误: Fatal error: Call to undefined function imagecreatetruecolor() in G:\xiuwo\ds\dsf\dsf\dsfptt\upload.php on line 14

[Gdj]

检查你是不是装了gd库。

用这个查phpinfo();

[zp7999]

装过了 我装的是PHP5.0

[xuzuning]

检查是否安装了gd库
确认gd库为2.0以上

[zp7999]

我装的是PHP5.0的 代码没有错误吗?

[zp7999]

已经解决 谢谢 为什么生成的图片是黑颜色的啊?什么也看不清楚