Imagick::readImageFile()
(PECL imagick 2.0.0)
Reads image from open filehandle
说明
Imagick::readImageFile(resource $filehandle[,string $fileName= NULL
]): bool
Reads image from open filehandle
参数
- $filehandle
- $fileName
返回值
成功时返回TRUE
。
错误/异常
错误时抛出 ImagickException。
An example of reading an image file from a URL, using a handle returned by fopen(): <?php $handle = fopen('http://example.com/foo.jpg', 'rb'); $img = new Imagick(); $img->readImageFile($handle); $img->resizeImage(128, 128, 0, 0); $img->writeImage('images/foo.jpg'); ?>
The second parameter will update the result of getFilename() if set. Otherwise the result of getFilename() will retain its original value, prior to calling readImageFile().