例子 1. 处理创建过程中的错误
<?php function LoadWBMP($imgname) { $im = @imagecreatefromwbmp($imgname); /* Attempt to open */ if(!$im) { /* See if it failed */ $im = imagecreatetruecolor(20, 20); /* Create a blank image */ $bgc = imagecolorallocate($im, 255, 255, 255); $tc = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, 10, 10, $bgc); /* Output an errmsg */ imagestring($im, 1, 5, 5, "Error loading $imgname", $tc); } return $im; } ?>
|
|