<?php
/**
* This file is part of the PHP Video Toolkit v2 package.
*
* @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
* @license Dual licensed under MIT and GPLv2
* @copyright Copyright (c) 2008-2014 Oliver Lillie <http://www.buggedcom.co.uk>
* @package PHPVideoToolkit V2
* @version 2.1.7-beta
* @uses ffmpeg http://ffmpeg.sourceforge.net/
*/
namespace PHPVideoToolkit;
/**
* This class provides generic data parsing for the output from FFmpeg from specific
* media files. Parts of the code borrow heavily from Jorrit Schippers version of
* PHPVideoToolkit v 0.1.9.
*
* @access public
* @author Oliver Lillie
* @author Jorrit Schippers
* @package default
*/
class Image extends Media
{
public function __construct($video_file_path, Config $config=null, ImageFormat $video_input_format=null, $ensure_image_file=true)
{
parent::__construct($video_file_path, $config, $video_input_format);
// validate this media file is a image file
if($ensure_image_file === true && $this->_validateMedia('image') === false)
{
throw new \LogicException('You cannot use an instance of '.get_class($this).' for "'.$video_file_path.'" as the file is not a image file. It is reported to be a '.$this->readType());
}
}
/**
* Returns a PHP GD resource of the image.
*
* @return GD resource
* @author Oliver Lillie
*/
public function toGdImage()
{
return imagecreatefromstring($this->getMediaPath());
}
/**
* Returns the binary data for the image.
*
* @return string
* @author Oliver Lillie
*/
public function toBinaryData()
{
$gd = $this->toGdImage();
if($gd !== false)
{
ob_start();
imagegd2($gd);
return ob_get_clean();
}
return false;
}
public function getDefaultFormatClassName()
{
return 'ImageFormat';
}
/**
* Returns any video information about the file if available.
*
* @access public
* @author Oliver Lillie
* @param boolean $read_from_cache
* @return mixed Returns an array of found data, otherwise returns null.
*/
public function readDimensions($read_from_cache=true)
{
$video_data = parent::readVideoComponent($read_from_cache);
return $video_data['dimensions'];
}
/**
* Returns any video information about the file if available.
*
* @access public
* @author Oliver Lillie
* @param boolean $read_from_cache
* @return mixed Returns an array of found data, otherwise returns null.
*/
public function readFrameRate($read_from_cache=true)
{
$video_data = parent::readVideoComponent($read_from_cache);
return $video_data['frame_rate'];
}
}
|
Download
