php imagecreatefromgif创建gif图片
php imagecreatefromgif创建gif图片
imagecreatefromgif($filename)
imagecreatefromgif()返回一个图像标识符代表从给定的文件名获得的图像
$filename是gif图片名称,来看个实例:
- <?php
- function LoadGif($imgname)
- {
- /* Attempt to open */
- $im = @imagecreatefromgif($imgname);
- /* See if it failed */
- if(!$im)
- {//开源代码phpfensi.com
- /* Create a blank image */
- $im = imagecreatetruecolor (150, 30);
- $bgc = imagecolorallocate ($im, 255, 255, 255);
- $tc = imagecolorallocate ($im, 0, 0, 0);
- imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
- /* Output an error message */
- imagestring ($im, 1, 5, 5, 'Error loading ' . $imgname, $tc);
- }
- return $im;
- }
- header('Content-Type: image/gif');
- $img = LoadGif('bogus.image');
- imagegif($img);
- imagedestroy($img);
- ?>