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鸽子
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849天前<?php |
// The file |
$filename = 'test.jpg'; |
$percent = 0.5; |
// Content type |
header('Content-Type: image/jpeg'); |
// 计算新尺寸 |
list($width, $height) = getimagesize($filename); |
$new_width = $width * $percent; |
$new_height = $height * $percent; |
// 重新采样 |
$image_p = imagecreatetruecolor($new_width, $new_height); |
$image = imagecreatefromjpeg($filename); |
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height); |
// Output |
imagejpeg($image_p, null, 100); |
?> |
