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+<?php
+/**
+ * PHP Reader Library
+ *
+ * Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the project workgroup nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package php-reader
+ * @subpackage ID3
+ * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
+ * @license http://code.google.com/p/php-reader/wiki/License New BSD License
+ * @version $Id: APIC.php 105 2008-07-30 14:56:47Z svollbehr $
+ */
+
+/**#@+ @ignore */
+require_once("ID3/Frame.php");
+require_once("ID3/Encoding.php");
+/**#@-*/
+
+/**
+ * The <i>Attached picture</i> frame contains a picture directly related to the
+ * audio file. Image format is the MIME type and subtype for the image.
+ *
+ * There may be several pictures attached to one file, each in their individual
+ * APIC frame, but only one with the same content descriptor. There may only
+ * be one picture with the same picture type. There is the possibility to put
+ * only a link to the image file by using the MIME type "-->" and having a
+ * complete URL instead of picture data.
+ *
+ * The use of linked files should however be used sparingly since there is the
+ * risk of separation of files.
+ *
+ * @package php-reader
+ * @subpackage ID3
+ * @author Sven Vollbehr <svollbehr@gmail.com>
+ * @author Ryan Butterfield <buttza@gmail.com>
+ * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
+ * @license http://code.google.com/p/php-reader/wiki/License New BSD License
+ * @version $Rev: 105 $
+ */
+final class ID3_Frame_APIC extends ID3_Frame
+ implements ID3_Encoding
+{
+ /**
+ * The list of image types.
+ *
+ * @var Array
+ */
+ public static $types = array
+ ("Other", "32x32 pixels file icon (PNG only)", "Other file icon",
+ "Cover (front)", "Cover (back)", "Leaflet page",
+ "Media (e.g. label side of CD)", "Lead artist/lead performer/soloist",
+ "Artist/performer", "Conductor", "Band/Orchestra", "Composer",
+ "Lyricist/text writer", "Recording Location", "During recording",
+ "During performance", "Movie/video screen capture",
+ "A bright coloured fish", "Illustration", "Band/artist logotype",
+ "Publisher/Studio logotype");
+
+ /** @var integer */
+ private $_encoding = ID3_Encoding::UTF8;
+
+ /** @var string */
+ private $_mimeType = "image/unknown";
+
+ /** @var integer */
+ private $_imageType = 0;
+
+ /** @var string */
+ private $_description;
+
+ /** @var string */
+ private $_imageData;
+
+ /** @var integer */
+ private $_imageSize = 0;
+
+ /**
+ * Constructs the class with given parameters and parses object related data.
+ *
+ * @param Reader $reader The reader object.
+ * @param Array $options The options array.
+ */
+ public function __construct($reader = null, &$options = array())
+ {
+ parent::__construct($reader, $options);
+
+ if ($reader === null)
+ return;
+
+ $this->_encoding = Transform::fromUInt8($this->_data[0]);
+ $this->_mimeType = substr
+ ($this->_data, 1, ($pos = strpos($this->_data, "\0", 1)) - 1);
+ $this->_imageType = Transform::fromUInt8($this->_data[++$pos]);
+ $this->_data = substr($this->_data, $pos + 1);
+
+ switch ($this->_encoding) {
+ case self::UTF16:
+ list ($this->_description, $this->_imageData) =
+ $this->explodeString16($this->_data, 2);
+ $this->_description = Transform::fromString16($this->_description);
+ break;
+ case self::UTF16BE:
+ list ($this->_description, $this->_imageData) =
+ $this->explodeString16($this->_data, 2);
+ $this->_description = Transform::fromString16BE($this->_description);
+ break;
+ default:
+ list ($this->_description, $this->_imageData) =
+ $this->explodeString8($this->_data, 2);
+ }
+
+ $this->_imageSize = strlen($this->_imageData);
+ }
+
+ /**
+ * Returns the text encoding.
+ *
+ * @return integer
+ */
+ public function getEncoding() { return $this->_encoding; }
+
+ /**
+ * Sets the text encoding.
+ *
+ * @see ID3_Encoding
+ * @param integer $encoding The text encoding.
+ */
+ public function setEncoding($encoding) { $this->_encoding = $encoding; }
+
+ /**
+ * Returns the MIME type. The MIME type is always ISO-8859-1 encoded.
+ *
+ * @return string
+ */
+ public function getMimeType() { return $this->_mimeType; }
+
+ /**
+ * Sets the MIME type. The MIME type is always ISO-8859-1 encoded.
+ *
+ * @param string $mimeType The MIME type.
+ */
+ public function setMimeType($mimeType) { $this->_mimeType = $mimeType; }
+
+ /**
+ * Returns the image type.
+ *
+ * @return integer
+ */
+ public function getImageType() { return $this->_imageType; }
+
+ /**
+ * Sets the image type code.
+ *
+ * @param integer $imageType The image type code.
+ */
+ public function setImageType($imageType) { $this->_imageType = $imageType; }
+
+ /**
+ * Returns the file description.
+ *
+ * @return string
+ */
+ public function getDescription() { return $this->_description; }
+
+ /**
+ * Sets the content description text using given encoding.
+ *
+ * @param string $description The content description text.
+ * @param integer $encoding The text encoding.
+ */
+ public function setDescription($description, $encoding = false)
+ {
+ $this->_description = $description;
+ if ($encoding !== false)
+ $this->_encoding = $encoding;
+ }
+
+ /**
+ * Returns the embedded image data.
+ *
+ * @return string
+ */
+ public function getImageData() { return $this->_imageData; }
+
+ /**
+ * Sets the embedded image data. Also updates the image size field to
+ * correspond the new data.
+ *
+ * @param string $imageData The image data.
+ */
+ public function setImageData($imageData)
+ {
+ $this->_imageData = $imageData;
+ $this->_imageSize = strlen($imageData);
+ }
+
+ /**
+ * Returns the size of the embedded image data.
+ *
+ * @return integer
+ */
+ public function getImageSize() { return $this->_imageSize; }
+
+ /**
+ * Returns the frame raw data.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ $data = Transform::toUInt8($this->_encoding) . $this->_mimeType . "\0" .
+ Transform::toUInt8($this->_imageType);
+ switch ($this->_encoding) {
+ case self::UTF16:
+ case self::UTF16LE:
+ $data .= Transform::toString16
+ ($this->_description, $this->_encoding == self::UTF16 ?
+ Transform::MACHINE_ENDIAN_ORDER : Transform::LITTLE_ENDIAN_ORDER) .
+ "\0\0";
+ break;
+ case self::UTF16BE:
+ $data .= Transform::toString16BE($this->_description) . "\0\0";
+ break;
+ default:
+ $data .= $this->_description . "\0";
+ }
+ parent::setData($data . $this->_imageData);
+ return parent::__toString();
+ }
+}