<?php
header('Content-type:image/gif');
header('Content-Disposition: attachment; filename="animated.gif"');
require_once('GIFEncoder.class.php');
$image = imagecreatefrompng('source01.png');
$width = 50;
$height = 50;
$new_image = imagecreatetruecolor($width, $height);
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $width, $height, 200, 115);
$text_color = imagecolorallocate($image, 50, 50, 50);
imagestring($image, 5, 5, 5, '', $text_color);
/* $imageMagick = new Imagick($image);
$imageMagick->adaptiveResizeImage(50,50); */
ob_start();
imagegif($image);
$frames[]=ob_get_contents();
$framed[]=40;
ob_end_clean();
$gif = new GIFEncoder($frames,$framed,0,2,0,0,0,'bin');
echo $gif->GetAnimation();
//$fp = fopen('animegif.gif', 'w');
//fwrite($fp, $gif->GetAnimation());
//fclose($fp);
?>
有没有办法通过代码将.png图像的大小调整为静态的 50x50px 值？谢谢
我会使用imagecopyresampled
它可以像这样使用：
$width = 50;
$height = 50;
$new_image = imagecreatetruecolor($width, $height);
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $width, $height, $image.getWidth)=(), $image.getHeight());
你可以使用imagemagic来实现这一点
http://www.php.net/manual/en/imagick.resizeimage.php
http://www.php.net/manual/en/imagick.adaptiveresizeimage.php