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<?php |
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/** |
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* JPEG metadata reader/writer |
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* |
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* @license BSD <http://www.opensource.org/licenses/bsd-license.php> |
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* @link http://github.com/sd/jpeg-php |
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* @author Sebastian Delmont <[email protected]> |
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* @author Andreas Gohr <[email protected]> |
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* @author Hakan Sandell <[email protected]> |
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* @todo Add support for Maker Notes, Extend for GIF and PNG metadata |
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*/ |
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// Original copyright notice: |
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// |
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// Copyright (c) 2003 Sebastian Delmont <[email protected]> |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions |
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// are met: |
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// 1. Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// 2. Redistributions in binary form must reproduce the above copyright |
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// notice, this list of conditions and the following disclaimer in the |
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// documentation and/or other materials provided with the distribution. |
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// 3. Neither the name of the author nor the names of its contributors |
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// may be used to endorse or promote products derived from this software |
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// without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE |
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class JpegMeta { |
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var $_fileName; |
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var $_fp = null; |
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var $_fpout = null; |
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var $_type = 'unknown'; |
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var $_markers; |
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var $_info; |
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/** |
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* Constructor |
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* |
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* @author Sebastian Delmont <[email protected]> |
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*/ |
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function __construct($fileName) { |
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$this->_fileName = $fileName; |
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$this->_fp = null; |
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$this->_type = 'unknown'; |
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unset($this->_info); |
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unset($this->_markers); |
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} |
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/** |
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* Returns all gathered info as multidim array |
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* |
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* @author Sebastian Delmont <[email protected]> |
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*/ |
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function & getRawInfo() { |
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$this->_parseAll(); |
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if ($this->_markers == null) { |
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return false; |
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} |
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return $this->_info; |
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} |
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/** |
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* Returns basic image info |
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* |
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* @author Sebastian Delmont <[email protected]> |
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*/ |
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function & getBasicInfo() { |
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$this->_parseAll(); |
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$info = array(); |
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if ($this->_markers == null) { |
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return false; |
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} |
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$info['Name'] = $this->_info['file']['Name']; |
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if (isset($this->_info['file']['Url'])) { |
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$info['Url'] = $this->_info['file']['Url']; |
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$info['NiceSize'] = "???KB"; |
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} else { |
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$info['Size'] = $this->_info['file']['Size']; |
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$info['NiceSize'] = $this->_info['file']['NiceSize']; |
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} |
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if (@isset($this->_info['sof']['Format'])) { |
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$info['Format'] = $this->_info['sof']['Format'] . " JPEG"; |
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} else { |
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$info['Format'] = $this->_info['sof']['Format'] . " JPEG"; |
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} |
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if (@isset($this->_info['sof']['ColorChannels'])) { |
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$info['ColorMode'] = ($this->_info['sof']['ColorChannels'] > 1) ? "Color" : "B&W"; |
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} |
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$info['Width'] = $this->getWidth(); |
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$info['Height'] = $this->getHeight(); |
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$info['DimStr'] = $this->getDimStr(); |
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$dates = $this->getDates(); |
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$info['DateTime'] = $dates['EarliestTime']; |
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$info['DateTimeStr'] = $dates['EarliestTimeStr']; |
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$info['HasThumbnail'] = $this->hasThumbnail(); |
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return $info; |
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} |
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/** |
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* Convinience function to access nearly all available Data |
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* through one function |
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* |
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* @author Andreas Gohr <[email protected]> |
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* |
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* @param array|string $fields field name or array with field names |
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* @return bool|string |
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*/ |
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function getField($fields) { |
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if(!is_array($fields)) $fields = array($fields); |
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$info = false; |
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foreach($fields as $field){ |
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if(strtolower(substr($field,0,5)) == 'iptc.'){ |
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$info = $this->getIPTCField(substr($field,5)); |
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}elseif(strtolower(substr($field,0,5)) == 'exif.'){ |
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$info = $this->getExifField(substr($field,5)); |
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}elseif(strtolower(substr($field,0,4)) == 'xmp.'){ |
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$info = $this->getXmpField(substr($field,4)); |
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}elseif(strtolower(substr($field,0,5)) == 'file.'){ |
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$info = $this->getFileField(substr($field,5)); |
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}elseif(strtolower(substr($field,0,5)) == 'date.'){ |
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$info = $this->getDateField(substr($field,5)); |
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}elseif(strtolower($field) == 'simple.camera'){ |
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$info = $this->getCamera(); |
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}elseif(strtolower($field) == 'simple.raw'){ |
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return $this->getRawInfo(); |
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}elseif(strtolower($field) == 'simple.title'){ |
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$info = $this->getTitle(); |
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}elseif(strtolower($field) == 'simple.shutterspeed'){ |
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$info = $this->getShutterSpeed(); |
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}else{ |
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$info = $this->getExifField($field); |
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} |
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if($info != false) break; |
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} |
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if($info === false) $info = ''; |
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if(is_array($info)){ |
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if(isset($info['val'])){ |
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$info = $info['val']; |
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}else{ |
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$info = join(', ',$info); |
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} |
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} |
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return trim($info); |
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} |
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/** |
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* Convinience function to set nearly all available Data |
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* through one function |
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* |
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* @author Andreas Gohr <[email protected]> |
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* |
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* @param string $field field name |
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* @param string $value |
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* @return bool success or fail |
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*/ |
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function setField($field, $value) { |
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if(strtolower(substr($field,0,5)) == 'iptc.'){ |
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return $this->setIPTCField(substr($field,5),$value); |
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}elseif(strtolower(substr($field,0,5)) == 'exif.'){ |
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return $this->setExifField(substr($field,5),$value); |
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}else{ |
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return $this->setExifField($field,$value); |
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} |
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} |
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/** |
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* Convinience function to delete nearly all available Data |
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* through one function |
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* |
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* @author Andreas Gohr <[email protected]> |
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* |
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* @param string $field field name |
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* @return bool |
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*/ |
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function deleteField($field) { |
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if(strtolower(substr($field,0,5)) == 'iptc.'){ |
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return $this->deleteIPTCField(substr($field,5)); |
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}elseif(strtolower(substr($field,0,5)) == 'exif.'){ |
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return $this->deleteExifField(substr($field,5)); |
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}else{ |
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return $this->deleteExifField($field); |
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} |
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} |
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/** |
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* Return a date field |
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* |
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* @author Andreas Gohr <[email protected]> |
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* |
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* @param string $field |
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* @return false|string |
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*/ |
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function getDateField($field) { |
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if (!isset($this->_info['dates'])) { |
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$this->_info['dates'] = $this->getDates(); |
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} |
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if (isset($this->_info['dates'][$field])) { |
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return $this->_info['dates'][$field]; |
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} |
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return false; |
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} |
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/** |
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* Return a file info field |
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* |
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* @author Andreas Gohr <[email protected]> |
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* |
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* @param string $field field name |
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* @return false|string |
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*/ |
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function getFileField($field) { |
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if (!isset($this->_info['file'])) { |
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$this->_parseFileInfo(); |
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} |
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if (isset($this->_info['file'][$field])) { |
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return $this->_info['file'][$field]; |
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} |
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return false; |
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} |
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/** |
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* Return the camera info (Maker and Model) |
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* |
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* @author Andreas Gohr <[email protected]> |
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* @todo handle makernotes |
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* |
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* @return false|string |
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*/ |
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function getCamera(){ |
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$make = $this->getField(array('Exif.Make','Exif.TIFFMake')); |
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$model = $this->getField(array('Exif.Model','Exif.TIFFModel')); |
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$cam = trim("$make $model"); |
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if(empty($cam)) return false; |
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return $cam; |
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} |
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/** |
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* Return shutter speed as a ratio |
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* |
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* @author Joe Lapp <[email protected]> |
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* |
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* @return string |
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*/ |
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function getShutterSpeed() { |
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if (!isset($this->_info['exif'])) { |
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$this->_parseMarkerExif(); |
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} |
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if(!isset($this->_info['exif']['ExposureTime'])){ |
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return ''; |
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} |
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$field = $this->_info['exif']['ExposureTime']; |
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if($field['den'] == 1) return $field['num']; |
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return $field['num'].'/'.$field['den']; |
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} |
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/** |
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* Return an EXIF field |
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* |
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* @author Sebastian Delmont <[email protected]> |
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* |
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* @param string $field field name |
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* @return false|string |
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*/ |
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function getExifField($field) { |
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if (!isset($this->_info['exif'])) { |
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$this->_parseMarkerExif(); |
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} |
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307
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if ($this->_markers == null) { |
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return false; |
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} |
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310
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311
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if (isset($this->_info['exif'][$field])) { |
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return $this->_info['exif'][$field]; |
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} |
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314
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return false; |
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316
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} |
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317
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318
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/** |
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319
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* Return an XMP field |
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320
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* |
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321
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* @author Hakan Sandell <[email protected]> |
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322
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|
* |
|
323
|
|
|
* @param string $field field name |
|
324
|
|
|
* @return false|string |
|
325
|
|
|
*/ |
|
326
|
|
|
function getXmpField($field) { |
|
|
|
|
|
|
327
|
|
|
if (!isset($this->_info['xmp'])) { |
|
328
|
|
|
$this->_parseMarkerXmp(); |
|
329
|
|
|
} |
|
330
|
|
|
|
|
331
|
|
|
if ($this->_markers == null) { |
|
332
|
|
|
return false; |
|
333
|
|
|
} |
|
334
|
|
|
|
|
335
|
|
|
if (isset($this->_info['xmp'][$field])) { |
|
336
|
|
|
return $this->_info['xmp'][$field]; |
|
337
|
|
|
} |
|
338
|
|
|
|
|
339
|
|
|
return false; |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
/** |
|
343
|
|
|
* Return an Adobe Field |
|
344
|
|
|
* |
|
345
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
346
|
|
|
* |
|
347
|
|
|
* @param string $field field name |
|
348
|
|
|
* @return false|string |
|
349
|
|
|
*/ |
|
350
|
|
|
function getAdobeField($field) { |
|
|
|
|
|
|
351
|
|
|
if (!isset($this->_info['adobe'])) { |
|
352
|
|
|
$this->_parseMarkerAdobe(); |
|
353
|
|
|
} |
|
354
|
|
|
|
|
355
|
|
|
if ($this->_markers == null) { |
|
356
|
|
|
return false; |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
if (isset($this->_info['adobe'][$field])) { |
|
360
|
|
|
return $this->_info['adobe'][$field]; |
|
361
|
|
|
} |
|
362
|
|
|
|
|
363
|
|
|
return false; |
|
364
|
|
|
} |
|
365
|
|
|
|
|
366
|
|
|
/** |
|
367
|
|
|
* Return an IPTC field |
|
368
|
|
|
* |
|
369
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
370
|
|
|
* |
|
371
|
|
|
* @param string $field field name |
|
372
|
|
|
* @return false|string |
|
373
|
|
|
*/ |
|
374
|
|
|
function getIPTCField($field) { |
|
|
|
|
|
|
375
|
|
|
if (!isset($this->_info['iptc'])) { |
|
376
|
|
|
$this->_parseMarkerAdobe(); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
if ($this->_markers == null) { |
|
380
|
|
|
return false; |
|
381
|
|
|
} |
|
382
|
|
|
|
|
383
|
|
|
if (isset($this->_info['iptc'][$field])) { |
|
384
|
|
|
return $this->_info['iptc'][$field]; |
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
return false; |
|
388
|
|
|
} |
|
389
|
|
|
|
|
390
|
|
|
/** |
|
391
|
|
|
* Set an EXIF field |
|
392
|
|
|
* |
|
393
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
394
|
|
|
* @author Joe Lapp <[email protected]> |
|
395
|
|
|
* |
|
396
|
|
|
* @param string $field field name |
|
397
|
|
|
* @param string $value |
|
398
|
|
|
* @return bool |
|
399
|
|
|
*/ |
|
400
|
|
|
function setExifField($field, $value) { |
|
|
|
|
|
|
401
|
|
|
if (!isset($this->_info['exif'])) { |
|
402
|
|
|
$this->_parseMarkerExif(); |
|
403
|
|
|
} |
|
404
|
|
|
|
|
405
|
|
|
if ($this->_markers == null) { |
|
406
|
|
|
return false; |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
if ($this->_info['exif'] == false) { |
|
410
|
|
|
$this->_info['exif'] = array(); |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
// make sure datetimes are in correct format |
|
414
|
|
|
if(strlen($field) >= 8 && strtolower(substr($field, 0, 8)) == 'datetime') { |
|
415
|
|
|
if(strlen($value) < 8 || $value{4} != ':' || $value{7} != ':') { |
|
416
|
|
|
$value = date('Y:m:d H:i:s', strtotime($value)); |
|
417
|
|
|
} |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
|
|
$this->_info['exif'][$field] = $value; |
|
421
|
|
|
|
|
422
|
|
|
return true; |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
|
|
/** |
|
426
|
|
|
* Set an Adobe Field |
|
427
|
|
|
* |
|
428
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
429
|
|
|
* |
|
430
|
|
|
* @param string $field field name |
|
431
|
|
|
* @param string $value |
|
432
|
|
|
* @return bool |
|
433
|
|
|
*/ |
|
434
|
|
|
function setAdobeField($field, $value) { |
|
|
|
|
|
|
435
|
|
|
if (!isset($this->_info['adobe'])) { |
|
436
|
|
|
$this->_parseMarkerAdobe(); |
|
437
|
|
|
} |
|
438
|
|
|
|
|
439
|
|
|
if ($this->_markers == null) { |
|
440
|
|
|
return false; |
|
441
|
|
|
} |
|
442
|
|
|
|
|
443
|
|
|
if ($this->_info['adobe'] == false) { |
|
444
|
|
|
$this->_info['adobe'] = array(); |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
$this->_info['adobe'][$field] = $value; |
|
448
|
|
|
|
|
449
|
|
|
return true; |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
/** |
|
453
|
|
|
* Calculates the multiplier needed to resize the image to the given |
|
454
|
|
|
* dimensions |
|
455
|
|
|
* |
|
456
|
|
|
* @author Andreas Gohr <[email protected]> |
|
457
|
|
|
* |
|
458
|
|
|
* @param int $maxwidth |
|
459
|
|
|
* @param int $maxheight |
|
460
|
|
|
* @return float|int |
|
461
|
|
|
*/ |
|
462
|
|
|
function getResizeRatio($maxwidth,$maxheight=0){ |
|
|
|
|
|
|
463
|
|
|
if(!$maxheight) $maxheight = $maxwidth; |
|
464
|
|
|
|
|
465
|
|
|
$w = $this->getField('File.Width'); |
|
466
|
|
|
$h = $this->getField('File.Height'); |
|
467
|
|
|
|
|
468
|
|
|
$ratio = 1; |
|
469
|
|
|
if($w >= $h){ |
|
470
|
|
|
if($w >= $maxwidth){ |
|
471
|
|
|
$ratio = $maxwidth/$w; |
|
472
|
|
|
}elseif($h > $maxheight){ |
|
473
|
|
|
$ratio = $maxheight/$h; |
|
474
|
|
|
} |
|
475
|
|
|
}else{ |
|
476
|
|
|
if($h >= $maxheight){ |
|
477
|
|
|
$ratio = $maxheight/$h; |
|
478
|
|
|
}elseif($w > $maxwidth){ |
|
479
|
|
|
$ratio = $maxwidth/$w; |
|
480
|
|
|
} |
|
481
|
|
|
} |
|
482
|
|
|
return $ratio; |
|
483
|
|
|
} |
|
484
|
|
|
|
|
485
|
|
|
|
|
486
|
|
|
/** |
|
487
|
|
|
* Set an IPTC field |
|
488
|
|
|
* |
|
489
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
490
|
|
|
* |
|
491
|
|
|
* @param string $field field name |
|
492
|
|
|
* @param string $value |
|
493
|
|
|
* @return bool |
|
494
|
|
|
*/ |
|
495
|
|
|
function setIPTCField($field, $value) { |
|
|
|
|
|
|
496
|
|
|
if (!isset($this->_info['iptc'])) { |
|
497
|
|
|
$this->_parseMarkerAdobe(); |
|
498
|
|
|
} |
|
499
|
|
|
|
|
500
|
|
|
if ($this->_markers == null) { |
|
501
|
|
|
return false; |
|
502
|
|
|
} |
|
503
|
|
|
|
|
504
|
|
|
if ($this->_info['iptc'] == false) { |
|
505
|
|
|
$this->_info['iptc'] = array(); |
|
506
|
|
|
} |
|
507
|
|
|
|
|
508
|
|
|
$this->_info['iptc'][$field] = $value; |
|
509
|
|
|
|
|
510
|
|
|
return true; |
|
511
|
|
|
} |
|
512
|
|
|
|
|
513
|
|
|
/** |
|
514
|
|
|
* Delete an EXIF field |
|
515
|
|
|
* |
|
516
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
517
|
|
|
* |
|
518
|
|
|
* @param string $field field name |
|
519
|
|
|
* @return bool |
|
520
|
|
|
*/ |
|
521
|
|
|
function deleteExifField($field) { |
|
|
|
|
|
|
522
|
|
|
if (!isset($this->_info['exif'])) { |
|
523
|
|
|
$this->_parseMarkerAdobe(); |
|
524
|
|
|
} |
|
525
|
|
|
|
|
526
|
|
|
if ($this->_markers == null) { |
|
527
|
|
|
return false; |
|
528
|
|
|
} |
|
529
|
|
|
|
|
530
|
|
|
if ($this->_info['exif'] != false) { |
|
531
|
|
|
unset($this->_info['exif'][$field]); |
|
532
|
|
|
} |
|
533
|
|
|
|
|
534
|
|
|
return true; |
|
535
|
|
|
} |
|
536
|
|
|
|
|
537
|
|
|
/** |
|
538
|
|
|
* Delete an Adobe field |
|
539
|
|
|
* |
|
540
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
541
|
|
|
* |
|
542
|
|
|
* @param string $field field name |
|
543
|
|
|
* @return bool |
|
544
|
|
|
*/ |
|
545
|
|
|
function deleteAdobeField($field) { |
|
|
|
|
|
|
546
|
|
|
if (!isset($this->_info['adobe'])) { |
|
547
|
|
|
$this->_parseMarkerAdobe(); |
|
548
|
|
|
} |
|
549
|
|
|
|
|
550
|
|
|
if ($this->_markers == null) { |
|
551
|
|
|
return false; |
|
552
|
|
|
} |
|
553
|
|
|
|
|
554
|
|
|
if ($this->_info['adobe'] != false) { |
|
555
|
|
|
unset($this->_info['adobe'][$field]); |
|
556
|
|
|
} |
|
557
|
|
|
|
|
558
|
|
|
return true; |
|
559
|
|
|
} |
|
560
|
|
|
|
|
561
|
|
|
/** |
|
562
|
|
|
* Delete an IPTC field |
|
563
|
|
|
* |
|
564
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
565
|
|
|
* |
|
566
|
|
|
* @param string $field field name |
|
567
|
|
|
* @return bool |
|
568
|
|
|
*/ |
|
569
|
|
|
function deleteIPTCField($field) { |
|
|
|
|
|
|
570
|
|
|
if (!isset($this->_info['iptc'])) { |
|
571
|
|
|
$this->_parseMarkerAdobe(); |
|
572
|
|
|
} |
|
573
|
|
|
|
|
574
|
|
|
if ($this->_markers == null) { |
|
575
|
|
|
return false; |
|
576
|
|
|
} |
|
577
|
|
|
|
|
578
|
|
|
if ($this->_info['iptc'] != false) { |
|
579
|
|
|
unset($this->_info['iptc'][$field]); |
|
580
|
|
|
} |
|
581
|
|
|
|
|
582
|
|
|
return true; |
|
583
|
|
|
} |
|
584
|
|
|
|
|
585
|
|
|
/** |
|
586
|
|
|
* Get the image's title, tries various fields |
|
587
|
|
|
* |
|
588
|
|
|
* @param int $max maximum number chars (keeps words) |
|
589
|
|
|
* @return false|string |
|
590
|
|
|
* |
|
591
|
|
|
* @author Andreas Gohr <[email protected]> |
|
592
|
|
|
*/ |
|
593
|
|
|
function getTitle($max=80){ |
|
|
|
|
|
|
594
|
|
|
// try various fields |
|
595
|
|
|
$cap = $this->getField(array('Iptc.Headline', |
|
596
|
|
|
'Iptc.Caption', |
|
597
|
|
|
'Xmp.dc:title', |
|
598
|
|
|
'Exif.UserComment', |
|
599
|
|
|
'Exif.TIFFUserComment', |
|
600
|
|
|
'Exif.TIFFImageDescription', |
|
601
|
|
|
'File.Name')); |
|
602
|
|
|
if (empty($cap)) return false; |
|
603
|
|
|
|
|
604
|
|
|
if(!$max) return $cap; |
|
605
|
|
|
// Shorten to 80 chars (keeping words) |
|
606
|
|
|
$new = preg_replace('/\n.+$/','',wordwrap($cap, $max)); |
|
607
|
|
|
if($new != $cap) $new .= '...'; |
|
608
|
|
|
|
|
609
|
|
|
return $new; |
|
610
|
|
|
} |
|
611
|
|
|
|
|
612
|
|
|
/** |
|
613
|
|
|
* Gather various date fields |
|
614
|
|
|
* |
|
615
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
616
|
|
|
* |
|
617
|
|
|
* @return array|bool |
|
618
|
|
|
*/ |
|
619
|
|
|
function getDates() { |
|
|
|
|
|
|
620
|
|
|
$this->_parseAll(); |
|
621
|
|
|
if ($this->_markers == null) { |
|
622
|
|
|
if (@isset($this->_info['file']['UnixTime'])) { |
|
623
|
|
|
$dates = array(); |
|
624
|
|
|
$dates['FileModified'] = $this->_info['file']['UnixTime']; |
|
625
|
|
|
$dates['Time'] = $this->_info['file']['UnixTime']; |
|
626
|
|
|
$dates['TimeSource'] = 'FileModified'; |
|
627
|
|
|
$dates['TimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']); |
|
628
|
|
|
$dates['EarliestTime'] = $this->_info['file']['UnixTime']; |
|
629
|
|
|
$dates['EarliestTimeSource'] = 'FileModified'; |
|
630
|
|
|
$dates['EarliestTimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']); |
|
631
|
|
|
$dates['LatestTime'] = $this->_info['file']['UnixTime']; |
|
632
|
|
|
$dates['LatestTimeSource'] = 'FileModified'; |
|
633
|
|
|
$dates['LatestTimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']); |
|
634
|
|
|
return $dates; |
|
635
|
|
|
} |
|
636
|
|
|
return false; |
|
637
|
|
|
} |
|
638
|
|
|
|
|
639
|
|
|
$dates = array(); |
|
640
|
|
|
|
|
641
|
|
|
$latestTime = 0; |
|
642
|
|
|
$latestTimeSource = ""; |
|
643
|
|
|
$earliestTime = time(); |
|
644
|
|
|
$earliestTimeSource = ""; |
|
645
|
|
|
|
|
646
|
|
|
if (@isset($this->_info['exif']['DateTime'])) { |
|
647
|
|
|
$dates['ExifDateTime'] = $this->_info['exif']['DateTime']; |
|
648
|
|
|
|
|
649
|
|
|
$aux = $this->_info['exif']['DateTime']; |
|
650
|
|
|
$aux{4} = "-"; |
|
651
|
|
|
$aux{7} = "-"; |
|
652
|
|
|
$t = strtotime($aux); |
|
653
|
|
|
|
|
654
|
|
|
if ($t && $t > $latestTime) { |
|
655
|
|
|
$latestTime = $t; |
|
656
|
|
|
$latestTimeSource = "ExifDateTime"; |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
if ($t && $t < $earliestTime) { |
|
660
|
|
|
$earliestTime = $t; |
|
661
|
|
|
$earliestTimeSource = "ExifDateTime"; |
|
662
|
|
|
} |
|
663
|
|
|
} |
|
664
|
|
|
|
|
665
|
|
|
if (@isset($this->_info['exif']['DateTimeOriginal'])) { |
|
666
|
|
|
$dates['ExifDateTimeOriginal'] = $this->_info['exif']['DateTime']; |
|
667
|
|
|
|
|
668
|
|
|
$aux = $this->_info['exif']['DateTimeOriginal']; |
|
669
|
|
|
$aux{4} = "-"; |
|
670
|
|
|
$aux{7} = "-"; |
|
671
|
|
|
$t = strtotime($aux); |
|
672
|
|
|
|
|
673
|
|
|
if ($t && $t > $latestTime) { |
|
674
|
|
|
$latestTime = $t; |
|
675
|
|
|
$latestTimeSource = "ExifDateTimeOriginal"; |
|
676
|
|
|
} |
|
677
|
|
|
|
|
678
|
|
|
if ($t && $t < $earliestTime) { |
|
679
|
|
|
$earliestTime = $t; |
|
680
|
|
|
$earliestTimeSource = "ExifDateTimeOriginal"; |
|
681
|
|
|
} |
|
682
|
|
|
} |
|
683
|
|
|
|
|
684
|
|
|
if (@isset($this->_info['exif']['DateTimeDigitized'])) { |
|
685
|
|
|
$dates['ExifDateTimeDigitized'] = $this->_info['exif']['DateTime']; |
|
686
|
|
|
|
|
687
|
|
|
$aux = $this->_info['exif']['DateTimeDigitized']; |
|
688
|
|
|
$aux{4} = "-"; |
|
689
|
|
|
$aux{7} = "-"; |
|
690
|
|
|
$t = strtotime($aux); |
|
691
|
|
|
|
|
692
|
|
|
if ($t && $t > $latestTime) { |
|
693
|
|
|
$latestTime = $t; |
|
694
|
|
|
$latestTimeSource = "ExifDateTimeDigitized"; |
|
695
|
|
|
} |
|
696
|
|
|
|
|
697
|
|
|
if ($t && $t < $earliestTime) { |
|
698
|
|
|
$earliestTime = $t; |
|
699
|
|
|
$earliestTimeSource = "ExifDateTimeDigitized"; |
|
700
|
|
|
} |
|
701
|
|
|
} |
|
702
|
|
|
|
|
703
|
|
|
if (@isset($this->_info['iptc']['DateCreated'])) { |
|
704
|
|
|
$dates['IPTCDateCreated'] = $this->_info['iptc']['DateCreated']; |
|
705
|
|
|
|
|
706
|
|
|
$aux = $this->_info['iptc']['DateCreated']; |
|
707
|
|
|
$aux = substr($aux, 0, 4) . "-" . substr($aux, 4, 2) . "-" . substr($aux, 6, 2); |
|
708
|
|
|
$t = strtotime($aux); |
|
709
|
|
|
|
|
710
|
|
|
if ($t && $t > $latestTime) { |
|
711
|
|
|
$latestTime = $t; |
|
712
|
|
|
$latestTimeSource = "IPTCDateCreated"; |
|
713
|
|
|
} |
|
714
|
|
|
|
|
715
|
|
|
if ($t && $t < $earliestTime) { |
|
716
|
|
|
$earliestTime = $t; |
|
717
|
|
|
$earliestTimeSource = "IPTCDateCreated"; |
|
718
|
|
|
} |
|
719
|
|
|
} |
|
720
|
|
|
|
|
721
|
|
|
if (@isset($this->_info['file']['UnixTime'])) { |
|
722
|
|
|
$dates['FileModified'] = $this->_info['file']['UnixTime']; |
|
723
|
|
|
|
|
724
|
|
|
$t = $this->_info['file']['UnixTime']; |
|
725
|
|
|
|
|
726
|
|
|
if ($t && $t > $latestTime) { |
|
727
|
|
|
$latestTime = $t; |
|
728
|
|
|
$latestTimeSource = "FileModified"; |
|
729
|
|
|
} |
|
730
|
|
|
|
|
731
|
|
|
if ($t && $t < $earliestTime) { |
|
732
|
|
|
$earliestTime = $t; |
|
733
|
|
|
$earliestTimeSource = "FileModified"; |
|
734
|
|
|
} |
|
735
|
|
|
} |
|
736
|
|
|
|
|
737
|
|
|
$dates['Time'] = $earliestTime; |
|
738
|
|
|
$dates['TimeSource'] = $earliestTimeSource; |
|
739
|
|
|
$dates['TimeStr'] = date("Y-m-d H:i:s", $earliestTime); |
|
740
|
|
|
$dates['EarliestTime'] = $earliestTime; |
|
741
|
|
|
$dates['EarliestTimeSource'] = $earliestTimeSource; |
|
742
|
|
|
$dates['EarliestTimeStr'] = date("Y-m-d H:i:s", $earliestTime); |
|
743
|
|
|
$dates['LatestTime'] = $latestTime; |
|
744
|
|
|
$dates['LatestTimeSource'] = $latestTimeSource; |
|
745
|
|
|
$dates['LatestTimeStr'] = date("Y-m-d H:i:s", $latestTime); |
|
746
|
|
|
|
|
747
|
|
|
return $dates; |
|
748
|
|
|
} |
|
749
|
|
|
|
|
750
|
|
|
/** |
|
751
|
|
|
* Get the image width, tries various fields |
|
752
|
|
|
* |
|
753
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
754
|
|
|
* |
|
755
|
|
|
* @return false|string |
|
756
|
|
|
*/ |
|
757
|
|
|
function getWidth() { |
|
|
|
|
|
|
758
|
|
|
if (!isset($this->_info['sof'])) { |
|
759
|
|
|
$this->_parseMarkerSOF(); |
|
760
|
|
|
} |
|
761
|
|
|
|
|
762
|
|
|
if ($this->_markers == null) { |
|
763
|
|
|
return false; |
|
764
|
|
|
} |
|
765
|
|
|
|
|
766
|
|
|
if (isset($this->_info['sof']['ImageWidth'])) { |
|
767
|
|
|
return $this->_info['sof']['ImageWidth']; |
|
768
|
|
|
} |
|
769
|
|
|
|
|
770
|
|
|
if (!isset($this->_info['exif'])) { |
|
771
|
|
|
$this->_parseMarkerExif(); |
|
772
|
|
|
} |
|
773
|
|
|
|
|
774
|
|
|
if (isset($this->_info['exif']['PixelXDimension'])) { |
|
775
|
|
|
return $this->_info['exif']['PixelXDimension']; |
|
776
|
|
|
} |
|
777
|
|
|
|
|
778
|
|
|
return false; |
|
779
|
|
|
} |
|
780
|
|
|
|
|
781
|
|
|
/** |
|
782
|
|
|
* Get the image height, tries various fields |
|
783
|
|
|
* |
|
784
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
785
|
|
|
* |
|
786
|
|
|
* @return false|string |
|
787
|
|
|
*/ |
|
788
|
|
|
function getHeight() { |
|
|
|
|
|
|
789
|
|
|
if (!isset($this->_info['sof'])) { |
|
790
|
|
|
$this->_parseMarkerSOF(); |
|
791
|
|
|
} |
|
792
|
|
|
|
|
793
|
|
|
if ($this->_markers == null) { |
|
794
|
|
|
return false; |
|
795
|
|
|
} |
|
796
|
|
|
|
|
797
|
|
|
if (isset($this->_info['sof']['ImageHeight'])) { |
|
798
|
|
|
return $this->_info['sof']['ImageHeight']; |
|
799
|
|
|
} |
|
800
|
|
|
|
|
801
|
|
|
if (!isset($this->_info['exif'])) { |
|
802
|
|
|
$this->_parseMarkerExif(); |
|
803
|
|
|
} |
|
804
|
|
|
|
|
805
|
|
|
if (isset($this->_info['exif']['PixelYDimension'])) { |
|
806
|
|
|
return $this->_info['exif']['PixelYDimension']; |
|
807
|
|
|
} |
|
808
|
|
|
|
|
809
|
|
|
return false; |
|
810
|
|
|
} |
|
811
|
|
|
|
|
812
|
|
|
/** |
|
813
|
|
|
* Get an dimension string for use in img tag |
|
814
|
|
|
* |
|
815
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
816
|
|
|
* |
|
817
|
|
|
* @return false|string |
|
818
|
|
|
*/ |
|
819
|
|
|
function getDimStr() { |
|
|
|
|
|
|
820
|
|
|
if ($this->_markers == null) { |
|
821
|
|
|
return false; |
|
822
|
|
|
} |
|
823
|
|
|
|
|
824
|
|
|
$w = $this->getWidth(); |
|
825
|
|
|
$h = $this->getHeight(); |
|
826
|
|
|
|
|
827
|
|
|
return "width='" . $w . "' height='" . $h . "'"; |
|
828
|
|
|
} |
|
829
|
|
|
|
|
830
|
|
|
/** |
|
831
|
|
|
* Checks for an embedded thumbnail |
|
832
|
|
|
* |
|
833
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
834
|
|
|
* |
|
835
|
|
|
* @param string $which possible values: 'any', 'exif' or 'adobe' |
|
836
|
|
|
* @return false|string |
|
837
|
|
|
*/ |
|
838
|
|
|
function hasThumbnail($which = 'any') { |
|
|
|
|
|
|
839
|
|
|
if (($which == 'any') || ($which == 'exif')) { |
|
840
|
|
|
if (!isset($this->_info['exif'])) { |
|
841
|
|
|
$this->_parseMarkerExif(); |
|
842
|
|
|
} |
|
843
|
|
|
|
|
844
|
|
|
if ($this->_markers == null) { |
|
845
|
|
|
return false; |
|
846
|
|
|
} |
|
847
|
|
|
|
|
848
|
|
|
if (isset($this->_info['exif']) && is_array($this->_info['exif'])) { |
|
849
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
|
850
|
|
|
return 'exif'; |
|
851
|
|
|
} |
|
852
|
|
|
} |
|
853
|
|
|
} |
|
854
|
|
|
|
|
855
|
|
|
if ($which == 'adobe') { |
|
856
|
|
|
if (!isset($this->_info['adobe'])) { |
|
857
|
|
|
$this->_parseMarkerAdobe(); |
|
858
|
|
|
} |
|
859
|
|
|
|
|
860
|
|
|
if ($this->_markers == null) { |
|
861
|
|
|
return false; |
|
862
|
|
|
} |
|
863
|
|
|
|
|
864
|
|
|
if (isset($this->_info['adobe']) && is_array($this->_info['adobe'])) { |
|
865
|
|
|
if (isset($this->_info['adobe']['ThumbnailData'])) { |
|
866
|
|
|
return 'exif'; |
|
867
|
|
|
} |
|
868
|
|
|
} |
|
869
|
|
|
} |
|
870
|
|
|
|
|
871
|
|
|
return false; |
|
872
|
|
|
} |
|
873
|
|
|
|
|
874
|
|
|
/** |
|
875
|
|
|
* Send embedded thumbnail to browser |
|
876
|
|
|
* |
|
877
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
878
|
|
|
* |
|
879
|
|
|
* @param string $which possible values: 'any', 'exif' or 'adobe' |
|
880
|
|
|
* @return bool |
|
881
|
|
|
*/ |
|
882
|
|
|
function sendThumbnail($which = 'any') { |
|
|
|
|
|
|
883
|
|
|
$data = null; |
|
884
|
|
|
|
|
885
|
|
|
if (($which == 'any') || ($which == 'exif')) { |
|
886
|
|
|
if (!isset($this->_info['exif'])) { |
|
887
|
|
|
$this->_parseMarkerExif(); |
|
888
|
|
|
} |
|
889
|
|
|
|
|
890
|
|
|
if ($this->_markers == null) { |
|
891
|
|
|
return false; |
|
892
|
|
|
} |
|
893
|
|
|
|
|
894
|
|
|
if (isset($this->_info['exif']) && is_array($this->_info['exif'])) { |
|
895
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
|
896
|
|
|
$data =& $this->_info['exif']['JFIFThumbnail']; |
|
897
|
|
|
} |
|
898
|
|
|
} |
|
899
|
|
|
} |
|
900
|
|
|
|
|
901
|
|
|
if (($which == 'adobe') || ($data == null)){ |
|
902
|
|
|
if (!isset($this->_info['adobe'])) { |
|
903
|
|
|
$this->_parseMarkerAdobe(); |
|
904
|
|
|
} |
|
905
|
|
|
|
|
906
|
|
|
if ($this->_markers == null) { |
|
907
|
|
|
return false; |
|
908
|
|
|
} |
|
909
|
|
|
|
|
910
|
|
|
if (isset($this->_info['adobe']) && is_array($this->_info['adobe'])) { |
|
911
|
|
|
if (isset($this->_info['adobe']['ThumbnailData'])) { |
|
912
|
|
|
$data =& $this->_info['adobe']['ThumbnailData']; |
|
913
|
|
|
} |
|
914
|
|
|
} |
|
915
|
|
|
} |
|
916
|
|
|
|
|
917
|
|
|
if ($data != null) { |
|
918
|
|
|
header("Content-type: image/jpeg"); |
|
919
|
|
|
echo $data; |
|
920
|
|
|
return true; |
|
921
|
|
|
} |
|
922
|
|
|
|
|
923
|
|
|
return false; |
|
924
|
|
|
} |
|
925
|
|
|
|
|
926
|
|
|
/** |
|
927
|
|
|
* Save changed Metadata |
|
928
|
|
|
* |
|
929
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
930
|
|
|
* @author Andreas Gohr <[email protected]> |
|
931
|
|
|
* |
|
932
|
|
|
* @param string $fileName file name or empty string for a random name |
|
933
|
|
|
* @return bool |
|
934
|
|
|
*/ |
|
935
|
|
|
function save($fileName = "") { |
|
|
|
|
|
|
936
|
|
|
if ($fileName == "") { |
|
937
|
|
|
$tmpName = tempnam(dirname($this->_fileName),'_metatemp_'); |
|
938
|
|
|
$this->_writeJPEG($tmpName); |
|
939
|
|
|
if (file_exists($tmpName)) { |
|
940
|
|
|
return io_rename($tmpName, $this->_fileName); |
|
941
|
|
|
} |
|
942
|
|
|
} else { |
|
943
|
|
|
return $this->_writeJPEG($fileName); |
|
944
|
|
|
} |
|
945
|
|
|
return false; |
|
946
|
|
|
} |
|
947
|
|
|
|
|
948
|
|
|
/*************************************************************/ |
|
949
|
|
|
/* PRIVATE FUNCTIONS (Internal Use Only!) */ |
|
950
|
|
|
/*************************************************************/ |
|
951
|
|
|
|
|
952
|
|
|
/*************************************************************/ |
|
953
|
|
|
function _dispose($fileName = "") { |
|
|
|
|
|
|
954
|
|
|
$this->_fileName = $fileName; |
|
955
|
|
|
|
|
956
|
|
|
$this->_fp = null; |
|
957
|
|
|
$this->_type = 'unknown'; |
|
958
|
|
|
|
|
959
|
|
|
unset($this->_markers); |
|
960
|
|
|
unset($this->_info); |
|
961
|
|
|
} |
|
962
|
|
|
|
|
963
|
|
|
/*************************************************************/ |
|
964
|
|
|
function _readJPEG() { |
|
|
|
|
|
|
965
|
|
|
unset($this->_markers); |
|
966
|
|
|
//unset($this->_info); |
|
967
|
|
|
$this->_markers = array(); |
|
968
|
|
|
//$this->_info = array(); |
|
969
|
|
|
|
|
970
|
|
|
$this->_fp = @fopen($this->_fileName, 'rb'); |
|
971
|
|
|
if ($this->_fp) { |
|
972
|
|
|
if (file_exists($this->_fileName)) { |
|
973
|
|
|
$this->_type = 'file'; |
|
974
|
|
|
} |
|
975
|
|
|
else { |
|
976
|
|
|
$this->_type = 'url'; |
|
977
|
|
|
} |
|
978
|
|
|
} else { |
|
979
|
|
|
$this->_fp = null; |
|
980
|
|
|
return false; // ERROR: Can't open file |
|
981
|
|
|
} |
|
982
|
|
|
|
|
983
|
|
|
// Check for the JPEG signature |
|
984
|
|
|
$c1 = ord(fgetc($this->_fp)); |
|
985
|
|
|
$c2 = ord(fgetc($this->_fp)); |
|
986
|
|
|
|
|
987
|
|
|
if ($c1 != 0xFF || $c2 != 0xD8) { // (0xFF + SOI) |
|
988
|
|
|
$this->_markers = null; |
|
989
|
|
|
return false; // ERROR: File is not a JPEG |
|
990
|
|
|
} |
|
991
|
|
|
|
|
992
|
|
|
$count = 0; |
|
993
|
|
|
|
|
994
|
|
|
$done = false; |
|
995
|
|
|
$ok = true; |
|
996
|
|
|
|
|
997
|
|
|
while (!$done) { |
|
998
|
|
|
$capture = false; |
|
|
|
|
|
|
999
|
|
|
|
|
1000
|
|
|
// First, skip any non 0xFF bytes |
|
1001
|
|
|
$discarded = 0; |
|
1002
|
|
|
$c = ord(fgetc($this->_fp)); |
|
1003
|
|
|
while (!feof($this->_fp) && ($c != 0xFF)) { |
|
1004
|
|
|
$discarded++; |
|
1005
|
|
|
$c = ord(fgetc($this->_fp)); |
|
1006
|
|
|
} |
|
1007
|
|
|
// Then skip all 0xFF until the marker byte |
|
1008
|
|
|
do { |
|
1009
|
|
|
$marker = ord(fgetc($this->_fp)); |
|
1010
|
|
|
} while (!feof($this->_fp) && ($marker == 0xFF)); |
|
1011
|
|
|
|
|
1012
|
|
|
if (feof($this->_fp)) { |
|
1013
|
|
|
return false; // ERROR: Unexpected EOF |
|
1014
|
|
|
} |
|
1015
|
|
|
if ($discarded != 0) { |
|
1016
|
|
|
return false; // ERROR: Extraneous data |
|
1017
|
|
|
} |
|
1018
|
|
|
|
|
1019
|
|
|
$length = ord(fgetc($this->_fp)) * 256 + ord(fgetc($this->_fp)); |
|
1020
|
|
|
if (feof($this->_fp)) { |
|
1021
|
|
|
return false; // ERROR: Unexpected EOF |
|
1022
|
|
|
} |
|
1023
|
|
|
if ($length < 2) { |
|
1024
|
|
|
return false; // ERROR: Extraneous data |
|
1025
|
|
|
} |
|
1026
|
|
|
$length = $length - 2; // The length we got counts itself |
|
1027
|
|
|
|
|
1028
|
|
|
switch ($marker) { |
|
1029
|
|
|
case 0xC0: // SOF0 |
|
1030
|
|
|
case 0xC1: // SOF1 |
|
1031
|
|
|
case 0xC2: // SOF2 |
|
1032
|
|
|
case 0xC9: // SOF9 |
|
1033
|
|
|
case 0xE0: // APP0: JFIF data |
|
1034
|
|
|
case 0xE1: // APP1: EXIF or XMP data |
|
1035
|
|
|
case 0xED: // APP13: IPTC / Photoshop data |
|
1036
|
|
|
$capture = true; |
|
1037
|
|
|
break; |
|
1038
|
|
|
case 0xDA: // SOS: Start of scan... the image itself and the last block on the file |
|
1039
|
|
|
$capture = false; |
|
1040
|
|
|
$length = -1; // This field has no length... it includes all data until EOF |
|
1041
|
|
|
$done = true; |
|
1042
|
|
|
break; |
|
1043
|
|
|
default: |
|
1044
|
|
|
$capture = true;//false; |
|
1045
|
|
|
break; |
|
1046
|
|
|
} |
|
1047
|
|
|
|
|
1048
|
|
|
$this->_markers[$count] = array(); |
|
1049
|
|
|
$this->_markers[$count]['marker'] = $marker; |
|
1050
|
|
|
$this->_markers[$count]['length'] = $length; |
|
1051
|
|
|
|
|
1052
|
|
|
if ($capture) { |
|
1053
|
|
|
if ($length) |
|
1054
|
|
|
$this->_markers[$count]['data'] = fread($this->_fp, $length); |
|
1055
|
|
|
else |
|
1056
|
|
|
$this->_markers[$count]['data'] = ""; |
|
1057
|
|
|
} |
|
1058
|
|
|
elseif (!$done) { |
|
1059
|
|
|
$result = @fseek($this->_fp, $length, SEEK_CUR); |
|
1060
|
|
|
// fseek doesn't seem to like HTTP 'files', but fgetc has no problem |
|
1061
|
|
|
if (!($result === 0)) { |
|
1062
|
|
|
for ($i = 0; $i < $length; $i++) { |
|
1063
|
|
|
fgetc($this->_fp); |
|
1064
|
|
|
} |
|
1065
|
|
|
} |
|
1066
|
|
|
} |
|
1067
|
|
|
$count++; |
|
1068
|
|
|
} |
|
1069
|
|
|
|
|
1070
|
|
|
if ($this->_fp) { |
|
1071
|
|
|
fclose($this->_fp); |
|
1072
|
|
|
$this->_fp = null; |
|
1073
|
|
|
} |
|
1074
|
|
|
|
|
1075
|
|
|
return $ok; |
|
1076
|
|
|
} |
|
1077
|
|
|
|
|
1078
|
|
|
/*************************************************************/ |
|
1079
|
|
|
function _parseAll() { |
|
|
|
|
|
|
1080
|
|
|
if (!isset($this->_info['file'])) { |
|
1081
|
|
|
$this->_parseFileInfo(); |
|
1082
|
|
|
} |
|
1083
|
|
|
if (!isset($this->_markers)) { |
|
1084
|
|
|
$this->_readJPEG(); |
|
1085
|
|
|
} |
|
1086
|
|
|
|
|
1087
|
|
|
if ($this->_markers == null) { |
|
1088
|
|
|
return false; |
|
1089
|
|
|
} |
|
1090
|
|
|
|
|
1091
|
|
|
if (!isset($this->_info['jfif'])) { |
|
1092
|
|
|
$this->_parseMarkerJFIF(); |
|
1093
|
|
|
} |
|
1094
|
|
|
if (!isset($this->_info['jpeg'])) { |
|
1095
|
|
|
$this->_parseMarkerSOF(); |
|
1096
|
|
|
} |
|
1097
|
|
|
if (!isset($this->_info['exif'])) { |
|
1098
|
|
|
$this->_parseMarkerExif(); |
|
1099
|
|
|
} |
|
1100
|
|
|
if (!isset($this->_info['xmp'])) { |
|
1101
|
|
|
$this->_parseMarkerXmp(); |
|
1102
|
|
|
} |
|
1103
|
|
|
if (!isset($this->_info['adobe'])) { |
|
1104
|
|
|
$this->_parseMarkerAdobe(); |
|
1105
|
|
|
} |
|
1106
|
|
|
} |
|
1107
|
|
|
|
|
1108
|
|
|
/*************************************************************/ |
|
1109
|
|
|
|
|
1110
|
|
|
/** |
|
1111
|
|
|
* @param string $outputName |
|
1112
|
|
|
*/ |
|
1113
|
|
|
function _writeJPEG($outputName) { |
|
|
|
|
|
|
1114
|
|
|
$this->_parseAll(); |
|
1115
|
|
|
|
|
1116
|
|
|
$wroteEXIF = false; |
|
1117
|
|
|
$wroteAdobe = false; |
|
1118
|
|
|
|
|
1119
|
|
|
$this->_fp = @fopen($this->_fileName, 'r'); |
|
1120
|
|
|
if ($this->_fp) { |
|
1121
|
|
|
if (file_exists($this->_fileName)) { |
|
1122
|
|
|
$this->_type = 'file'; |
|
1123
|
|
|
} |
|
1124
|
|
|
else { |
|
1125
|
|
|
$this->_type = 'url'; |
|
1126
|
|
|
} |
|
1127
|
|
|
} else { |
|
1128
|
|
|
$this->_fp = null; |
|
1129
|
|
|
return false; // ERROR: Can't open file |
|
1130
|
|
|
} |
|
1131
|
|
|
|
|
1132
|
|
|
$this->_fpout = fopen($outputName, 'wb'); |
|
1133
|
|
|
if (!$this->_fpout) { |
|
1134
|
|
|
$this->_fpout = null; |
|
1135
|
|
|
fclose($this->_fp); |
|
1136
|
|
|
$this->_fp = null; |
|
1137
|
|
|
return false; // ERROR: Can't open output file |
|
1138
|
|
|
} |
|
1139
|
|
|
|
|
1140
|
|
|
// Check for the JPEG signature |
|
1141
|
|
|
$c1 = ord(fgetc($this->_fp)); |
|
1142
|
|
|
$c2 = ord(fgetc($this->_fp)); |
|
1143
|
|
|
|
|
1144
|
|
|
if ($c1 != 0xFF || $c2 != 0xD8) { // (0xFF + SOI) |
|
1145
|
|
|
return false; // ERROR: File is not a JPEG |
|
1146
|
|
|
} |
|
1147
|
|
|
|
|
1148
|
|
|
fputs($this->_fpout, chr(0xFF), 1); |
|
1149
|
|
|
fputs($this->_fpout, chr(0xD8), 1); // (0xFF + SOI) |
|
1150
|
|
|
|
|
1151
|
|
|
$count = 0; |
|
|
|
|
|
|
1152
|
|
|
|
|
1153
|
|
|
$done = false; |
|
1154
|
|
|
$ok = true; |
|
1155
|
|
|
|
|
1156
|
|
|
while (!$done) { |
|
1157
|
|
|
// First, skip any non 0xFF bytes |
|
1158
|
|
|
$discarded = 0; |
|
1159
|
|
|
$c = ord(fgetc($this->_fp)); |
|
1160
|
|
|
while (!feof($this->_fp) && ($c != 0xFF)) { |
|
1161
|
|
|
$discarded++; |
|
1162
|
|
|
$c = ord(fgetc($this->_fp)); |
|
1163
|
|
|
} |
|
1164
|
|
|
// Then skip all 0xFF until the marker byte |
|
1165
|
|
|
do { |
|
1166
|
|
|
$marker = ord(fgetc($this->_fp)); |
|
1167
|
|
|
} while (!feof($this->_fp) && ($marker == 0xFF)); |
|
1168
|
|
|
|
|
1169
|
|
|
if (feof($this->_fp)) { |
|
1170
|
|
|
$ok = false; |
|
1171
|
|
|
break; // ERROR: Unexpected EOF |
|
1172
|
|
|
} |
|
1173
|
|
|
if ($discarded != 0) { |
|
1174
|
|
|
$ok = false; |
|
1175
|
|
|
break; // ERROR: Extraneous data |
|
1176
|
|
|
} |
|
1177
|
|
|
|
|
1178
|
|
|
$length = ord(fgetc($this->_fp)) * 256 + ord(fgetc($this->_fp)); |
|
1179
|
|
|
if (feof($this->_fp)) { |
|
1180
|
|
|
$ok = false; |
|
1181
|
|
|
break; // ERROR: Unexpected EOF |
|
1182
|
|
|
} |
|
1183
|
|
|
if ($length < 2) { |
|
1184
|
|
|
$ok = false; |
|
1185
|
|
|
break; // ERROR: Extraneous data |
|
1186
|
|
|
} |
|
1187
|
|
|
$length = $length - 2; // The length we got counts itself |
|
1188
|
|
|
|
|
1189
|
|
|
unset($data); |
|
1190
|
|
|
if ($marker == 0xE1) { // APP1: EXIF data |
|
1191
|
|
|
$data =& $this->_createMarkerEXIF(); |
|
1192
|
|
|
$wroteEXIF = true; |
|
1193
|
|
|
} |
|
1194
|
|
|
elseif ($marker == 0xED) { // APP13: IPTC / Photoshop data |
|
1195
|
|
|
$data =& $this->_createMarkerAdobe(); |
|
1196
|
|
|
$wroteAdobe = true; |
|
1197
|
|
|
} |
|
1198
|
|
|
elseif ($marker == 0xDA) { // SOS: Start of scan... the image itself and the last block on the file |
|
1199
|
|
|
$done = true; |
|
1200
|
|
|
} |
|
1201
|
|
|
|
|
1202
|
|
|
if (!$wroteEXIF && (($marker < 0xE0) || ($marker > 0xEF))) { |
|
1203
|
|
|
if (isset($this->_info['exif']) && is_array($this->_info['exif'])) { |
|
1204
|
|
|
$exif =& $this->_createMarkerEXIF(); |
|
1205
|
|
|
$this->_writeJPEGMarker(0xE1, strlen($exif), $exif, 0); |
|
1206
|
|
|
unset($exif); |
|
1207
|
|
|
} |
|
1208
|
|
|
$wroteEXIF = true; |
|
1209
|
|
|
} |
|
1210
|
|
|
|
|
1211
|
|
|
if (!$wroteAdobe && (($marker < 0xE0) || ($marker > 0xEF))) { |
|
1212
|
|
|
if ((isset($this->_info['adobe']) && is_array($this->_info['adobe'])) |
|
1213
|
|
|
|| (isset($this->_info['iptc']) && is_array($this->_info['iptc']))) { |
|
1214
|
|
|
$adobe =& $this->_createMarkerAdobe(); |
|
1215
|
|
|
$this->_writeJPEGMarker(0xED, strlen($adobe), $adobe, 0); |
|
1216
|
|
|
unset($adobe); |
|
1217
|
|
|
} |
|
1218
|
|
|
$wroteAdobe = true; |
|
1219
|
|
|
} |
|
1220
|
|
|
|
|
1221
|
|
|
$origLength = $length; |
|
1222
|
|
|
if (isset($data)) { |
|
1223
|
|
|
$length = strlen($data); |
|
1224
|
|
|
} |
|
1225
|
|
|
|
|
1226
|
|
|
if ($marker != -1) { |
|
1227
|
|
|
$this->_writeJPEGMarker($marker, $length, $data, $origLength); |
|
1228
|
|
|
} |
|
1229
|
|
|
} |
|
1230
|
|
|
|
|
1231
|
|
|
if ($this->_fp) { |
|
1232
|
|
|
fclose($this->_fp); |
|
1233
|
|
|
$this->_fp = null; |
|
1234
|
|
|
} |
|
1235
|
|
|
|
|
1236
|
|
|
if ($this->_fpout) { |
|
1237
|
|
|
fclose($this->_fpout); |
|
1238
|
|
|
$this->_fpout = null; |
|
1239
|
|
|
} |
|
1240
|
|
|
|
|
1241
|
|
|
return $ok; |
|
1242
|
|
|
} |
|
1243
|
|
|
|
|
1244
|
|
|
/*************************************************************/ |
|
1245
|
|
|
|
|
1246
|
|
|
/** |
|
1247
|
|
|
* @param integer $marker |
|
1248
|
|
|
* @param integer $length |
|
1249
|
|
|
* @param integer $origLength |
|
1250
|
|
|
*/ |
|
1251
|
|
|
function _writeJPEGMarker($marker, $length, &$data, $origLength) { |
|
|
|
|
|
|
1252
|
|
|
if ($length <= 0) { |
|
1253
|
|
|
return false; |
|
1254
|
|
|
} |
|
1255
|
|
|
|
|
1256
|
|
|
fputs($this->_fpout, chr(0xFF), 1); |
|
1257
|
|
|
fputs($this->_fpout, chr($marker), 1); |
|
1258
|
|
|
fputs($this->_fpout, chr((($length + 2) & 0x0000FF00) >> 8), 1); |
|
1259
|
|
|
fputs($this->_fpout, chr((($length + 2) & 0x000000FF) >> 0), 1); |
|
1260
|
|
|
|
|
1261
|
|
|
if (isset($data)) { |
|
1262
|
|
|
// Copy the generated data |
|
1263
|
|
|
fputs($this->_fpout, $data, $length); |
|
1264
|
|
|
|
|
1265
|
|
|
if ($origLength > 0) { // Skip the original data |
|
1266
|
|
|
$result = @fseek($this->_fp, $origLength, SEEK_CUR); |
|
1267
|
|
|
// fseek doesn't seem to like HTTP 'files', but fgetc has no problem |
|
1268
|
|
|
if ($result != 0) { |
|
1269
|
|
|
for ($i = 0; $i < $origLength; $i++) { |
|
1270
|
|
|
fgetc($this->_fp); |
|
1271
|
|
|
} |
|
1272
|
|
|
} |
|
1273
|
|
|
} |
|
1274
|
|
|
} else { |
|
1275
|
|
|
if ($marker == 0xDA) { // Copy until EOF |
|
1276
|
|
|
while (!feof($this->_fp)) { |
|
1277
|
|
|
$data = fread($this->_fp, 1024 * 16); |
|
1278
|
|
|
fputs($this->_fpout, $data, strlen($data)); |
|
1279
|
|
|
} |
|
1280
|
|
|
} else { // Copy only $length bytes |
|
1281
|
|
|
$data = @fread($this->_fp, $length); |
|
1282
|
|
|
fputs($this->_fpout, $data, $length); |
|
1283
|
|
|
} |
|
1284
|
|
|
} |
|
1285
|
|
|
|
|
1286
|
|
|
return true; |
|
1287
|
|
|
} |
|
1288
|
|
|
|
|
1289
|
|
|
/** |
|
1290
|
|
|
* Gets basic info from the file - should work with non-JPEGs |
|
1291
|
|
|
* |
|
1292
|
|
|
* @author Sebastian Delmont <[email protected]> |
|
1293
|
|
|
* @author Andreas Gohr <[email protected]> |
|
1294
|
|
|
*/ |
|
1295
|
|
|
function _parseFileInfo() { |
|
|
|
|
|
|
1296
|
|
|
if (file_exists($this->_fileName) && is_file($this->_fileName)) { |
|
1297
|
|
|
$this->_info['file'] = array(); |
|
1298
|
|
|
$this->_info['file']['Name'] = utf8_decodeFN(utf8_basename($this->_fileName)); |
|
1299
|
|
|
$this->_info['file']['Path'] = fullpath($this->_fileName); |
|
1300
|
|
|
$this->_info['file']['Size'] = filesize($this->_fileName); |
|
1301
|
|
|
if ($this->_info['file']['Size'] < 1024) { |
|
1302
|
|
|
$this->_info['file']['NiceSize'] = $this->_info['file']['Size'] . 'B'; |
|
1303
|
|
|
} elseif ($this->_info['file']['Size'] < (1024 * 1024)) { |
|
1304
|
|
|
$this->_info['file']['NiceSize'] = round($this->_info['file']['Size'] / 1024) . 'KB'; |
|
1305
|
|
|
} elseif ($this->_info['file']['Size'] < (1024 * 1024 * 1024)) { |
|
1306
|
|
|
$this->_info['file']['NiceSize'] = round($this->_info['file']['Size'] / (1024*1024)) . 'MB'; |
|
1307
|
|
|
} else { |
|
1308
|
|
|
$this->_info['file']['NiceSize'] = $this->_info['file']['Size'] . 'B'; |
|
1309
|
|
|
} |
|
1310
|
|
|
$this->_info['file']['UnixTime'] = filemtime($this->_fileName); |
|
1311
|
|
|
|
|
1312
|
|
|
// get image size directly from file |
|
1313
|
|
|
$size = getimagesize($this->_fileName); |
|
1314
|
|
|
$this->_info['file']['Width'] = $size[0]; |
|
1315
|
|
|
$this->_info['file']['Height'] = $size[1]; |
|
1316
|
|
|
// set mime types and formats |
|
1317
|
|
|
// http://www.php.net/manual/en/function.getimagesize.php |
|
1318
|
|
|
// http://www.php.net/manual/en/function.image-type-to-mime-type.php |
|
1319
|
|
|
switch ($size[2]){ |
|
1320
|
|
|
case 1: |
|
1321
|
|
|
$this->_info['file']['Mime'] = 'image/gif'; |
|
1322
|
|
|
$this->_info['file']['Format'] = 'GIF'; |
|
1323
|
|
|
break; |
|
1324
|
|
|
case 2: |
|
1325
|
|
|
$this->_info['file']['Mime'] = 'image/jpeg'; |
|
1326
|
|
|
$this->_info['file']['Format'] = 'JPEG'; |
|
1327
|
|
|
break; |
|
1328
|
|
|
case 3: |
|
1329
|
|
|
$this->_info['file']['Mime'] = 'image/png'; |
|
1330
|
|
|
$this->_info['file']['Format'] = 'PNG'; |
|
1331
|
|
|
break; |
|
1332
|
|
|
case 4: |
|
1333
|
|
|
$this->_info['file']['Mime'] = 'application/x-shockwave-flash'; |
|
1334
|
|
|
$this->_info['file']['Format'] = 'SWF'; |
|
1335
|
|
|
break; |
|
1336
|
|
|
case 5: |
|
1337
|
|
|
$this->_info['file']['Mime'] = 'image/psd'; |
|
1338
|
|
|
$this->_info['file']['Format'] = 'PSD'; |
|
1339
|
|
|
break; |
|
1340
|
|
|
case 6: |
|
1341
|
|
|
$this->_info['file']['Mime'] = 'image/bmp'; |
|
1342
|
|
|
$this->_info['file']['Format'] = 'BMP'; |
|
1343
|
|
|
break; |
|
1344
|
|
|
case 7: |
|
1345
|
|
|
$this->_info['file']['Mime'] = 'image/tiff'; |
|
1346
|
|
|
$this->_info['file']['Format'] = 'TIFF (Intel)'; |
|
1347
|
|
|
break; |
|
1348
|
|
|
case 8: |
|
1349
|
|
|
$this->_info['file']['Mime'] = 'image/tiff'; |
|
1350
|
|
|
$this->_info['file']['Format'] = 'TIFF (Motorola)'; |
|
1351
|
|
|
break; |
|
1352
|
|
|
case 9: |
|
1353
|
|
|
$this->_info['file']['Mime'] = 'application/octet-stream'; |
|
1354
|
|
|
$this->_info['file']['Format'] = 'JPC'; |
|
1355
|
|
|
break; |
|
1356
|
|
|
case 10: |
|
1357
|
|
|
$this->_info['file']['Mime'] = 'image/jp2'; |
|
1358
|
|
|
$this->_info['file']['Format'] = 'JP2'; |
|
1359
|
|
|
break; |
|
1360
|
|
|
case 11: |
|
1361
|
|
|
$this->_info['file']['Mime'] = 'application/octet-stream'; |
|
1362
|
|
|
$this->_info['file']['Format'] = 'JPX'; |
|
1363
|
|
|
break; |
|
1364
|
|
|
case 12: |
|
1365
|
|
|
$this->_info['file']['Mime'] = 'application/octet-stream'; |
|
1366
|
|
|
$this->_info['file']['Format'] = 'JB2'; |
|
1367
|
|
|
break; |
|
1368
|
|
|
case 13: |
|
1369
|
|
|
$this->_info['file']['Mime'] = 'application/x-shockwave-flash'; |
|
1370
|
|
|
$this->_info['file']['Format'] = 'SWC'; |
|
1371
|
|
|
break; |
|
1372
|
|
|
case 14: |
|
1373
|
|
|
$this->_info['file']['Mime'] = 'image/iff'; |
|
1374
|
|
|
$this->_info['file']['Format'] = 'IFF'; |
|
1375
|
|
|
break; |
|
1376
|
|
|
case 15: |
|
1377
|
|
|
$this->_info['file']['Mime'] = 'image/vnd.wap.wbmp'; |
|
1378
|
|
|
$this->_info['file']['Format'] = 'WBMP'; |
|
1379
|
|
|
break; |
|
1380
|
|
|
case 16: |
|
1381
|
|
|
$this->_info['file']['Mime'] = 'image/xbm'; |
|
1382
|
|
|
$this->_info['file']['Format'] = 'XBM'; |
|
1383
|
|
|
break; |
|
1384
|
|
|
default: |
|
1385
|
|
|
$this->_info['file']['Mime'] = 'image/unknown'; |
|
1386
|
|
|
} |
|
1387
|
|
|
} else { |
|
1388
|
|
|
$this->_info['file'] = array(); |
|
1389
|
|
|
$this->_info['file']['Name'] = utf8_basename($this->_fileName); |
|
1390
|
|
|
$this->_info['file']['Url'] = $this->_fileName; |
|
1391
|
|
|
} |
|
1392
|
|
|
|
|
1393
|
|
|
return true; |
|
1394
|
|
|
} |
|
1395
|
|
|
|
|
1396
|
|
|
/*************************************************************/ |
|
1397
|
|
|
function _parseMarkerJFIF() { |
|
|
|
|
|
|
1398
|
|
|
if (!isset($this->_markers)) { |
|
1399
|
|
|
$this->_readJPEG(); |
|
1400
|
|
|
} |
|
1401
|
|
|
|
|
1402
|
|
|
if ($this->_markers == null) { |
|
1403
|
|
|
return false; |
|
1404
|
|
|
} |
|
1405
|
|
|
|
|
1406
|
|
|
$data = null; |
|
1407
|
|
|
$count = count($this->_markers); |
|
1408
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
1409
|
|
|
if ($this->_markers[$i]['marker'] == 0xE0) { |
|
1410
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 4); |
|
1411
|
|
|
if ($signature == 'JFIF') { |
|
1412
|
|
|
$data =& $this->_markers[$i]['data']; |
|
1413
|
|
|
break; |
|
1414
|
|
|
} |
|
1415
|
|
|
} |
|
1416
|
|
|
} |
|
1417
|
|
|
|
|
1418
|
|
|
if ($data == null) { |
|
1419
|
|
|
$this->_info['jfif'] = false; |
|
1420
|
|
|
return false; |
|
1421
|
|
|
} |
|
1422
|
|
|
|
|
1423
|
|
|
$this->_info['jfif'] = array(); |
|
1424
|
|
|
|
|
1425
|
|
|
$vmaj = $this->_getByte($data, 5); |
|
1426
|
|
|
$vmin = $this->_getByte($data, 6); |
|
1427
|
|
|
|
|
1428
|
|
|
$this->_info['jfif']['Version'] = sprintf('%d.%02d', $vmaj, $vmin); |
|
1429
|
|
|
|
|
1430
|
|
|
$units = $this->_getByte($data, 7); |
|
1431
|
|
|
switch ($units) { |
|
1432
|
|
|
case 0: |
|
1433
|
|
|
$this->_info['jfif']['Units'] = 'pixels'; |
|
1434
|
|
|
break; |
|
1435
|
|
|
case 1: |
|
1436
|
|
|
$this->_info['jfif']['Units'] = 'dpi'; |
|
1437
|
|
|
break; |
|
1438
|
|
|
case 2: |
|
1439
|
|
|
$this->_info['jfif']['Units'] = 'dpcm'; |
|
1440
|
|
|
break; |
|
1441
|
|
|
default: |
|
1442
|
|
|
$this->_info['jfif']['Units'] = 'unknown'; |
|
1443
|
|
|
break; |
|
1444
|
|
|
} |
|
1445
|
|
|
|
|
1446
|
|
|
$xdens = $this->_getShort($data, 8); |
|
1447
|
|
|
$ydens = $this->_getShort($data, 10); |
|
1448
|
|
|
|
|
1449
|
|
|
$this->_info['jfif']['XDensity'] = $xdens; |
|
1450
|
|
|
$this->_info['jfif']['YDensity'] = $ydens; |
|
1451
|
|
|
|
|
1452
|
|
|
$thumbx = $this->_getByte($data, 12); |
|
1453
|
|
|
$thumby = $this->_getByte($data, 13); |
|
1454
|
|
|
|
|
1455
|
|
|
$this->_info['jfif']['ThumbnailWidth'] = $thumbx; |
|
1456
|
|
|
$this->_info['jfif']['ThumbnailHeight'] = $thumby; |
|
1457
|
|
|
|
|
1458
|
|
|
return true; |
|
1459
|
|
|
} |
|
1460
|
|
|
|
|
1461
|
|
|
/*************************************************************/ |
|
1462
|
|
|
function _parseMarkerSOF() { |
|
|
|
|
|
|
1463
|
|
|
if (!isset($this->_markers)) { |
|
1464
|
|
|
$this->_readJPEG(); |
|
1465
|
|
|
} |
|
1466
|
|
|
|
|
1467
|
|
|
if ($this->_markers == null) { |
|
1468
|
|
|
return false; |
|
1469
|
|
|
} |
|
1470
|
|
|
|
|
1471
|
|
|
$data = null; |
|
1472
|
|
|
$count = count($this->_markers); |
|
1473
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
1474
|
|
|
switch ($this->_markers[$i]['marker']) { |
|
1475
|
|
|
case 0xC0: // SOF0 |
|
1476
|
|
|
case 0xC1: // SOF1 |
|
1477
|
|
|
case 0xC2: // SOF2 |
|
1478
|
|
|
case 0xC9: // SOF9 |
|
1479
|
|
|
$data =& $this->_markers[$i]['data']; |
|
1480
|
|
|
$marker = $this->_markers[$i]['marker']; |
|
1481
|
|
|
break; |
|
1482
|
|
|
} |
|
1483
|
|
|
} |
|
1484
|
|
|
|
|
1485
|
|
|
if ($data == null) { |
|
1486
|
|
|
$this->_info['sof'] = false; |
|
1487
|
|
|
return false; |
|
1488
|
|
|
} |
|
1489
|
|
|
|
|
1490
|
|
|
$pos = 0; |
|
1491
|
|
|
$this->_info['sof'] = array(); |
|
1492
|
|
|
|
|
1493
|
|
|
switch ($marker) { |
|
|
|
|
|
|
1494
|
|
|
case 0xC0: // SOF0 |
|
1495
|
|
|
$format = 'Baseline'; |
|
1496
|
|
|
break; |
|
1497
|
|
|
case 0xC1: // SOF1 |
|
1498
|
|
|
$format = 'Progessive'; |
|
1499
|
|
|
break; |
|
1500
|
|
|
case 0xC2: // SOF2 |
|
1501
|
|
|
$format = 'Non-baseline'; |
|
1502
|
|
|
break; |
|
1503
|
|
|
case 0xC9: // SOF9 |
|
1504
|
|
|
$format = 'Arithmetic'; |
|
1505
|
|
|
break; |
|
1506
|
|
|
default: |
|
1507
|
|
|
return false; |
|
1508
|
|
|
} |
|
1509
|
|
|
|
|
1510
|
|
|
$this->_info['sof']['Format'] = $format; |
|
1511
|
|
|
$this->_info['sof']['SamplePrecision'] = $this->_getByte($data, $pos + 0); |
|
1512
|
|
|
$this->_info['sof']['ImageHeight'] = $this->_getShort($data, $pos + 1); |
|
1513
|
|
|
$this->_info['sof']['ImageWidth'] = $this->_getShort($data, $pos + 3); |
|
1514
|
|
|
$this->_info['sof']['ColorChannels'] = $this->_getByte($data, $pos + 5); |
|
1515
|
|
|
|
|
1516
|
|
|
return true; |
|
1517
|
|
|
} |
|
1518
|
|
|
|
|
1519
|
|
|
/** |
|
1520
|
|
|
* Parses the XMP data |
|
1521
|
|
|
* |
|
1522
|
|
|
* @author Hakan Sandell <[email protected]> |
|
1523
|
|
|
*/ |
|
1524
|
|
|
function _parseMarkerXmp() { |
|
|
|
|
|
|
1525
|
|
|
if (!isset($this->_markers)) { |
|
1526
|
|
|
$this->_readJPEG(); |
|
1527
|
|
|
} |
|
1528
|
|
|
|
|
1529
|
|
|
if ($this->_markers == null) { |
|
1530
|
|
|
return false; |
|
1531
|
|
|
} |
|
1532
|
|
|
|
|
1533
|
|
|
$data = null; |
|
1534
|
|
|
$count = count($this->_markers); |
|
1535
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
1536
|
|
|
if ($this->_markers[$i]['marker'] == 0xE1) { |
|
1537
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 29); |
|
1538
|
|
|
if ($signature == "http://ns.adobe.com/xap/1.0/\0") { |
|
1539
|
|
|
$data = substr($this->_markers[$i]['data'], 29); |
|
1540
|
|
|
break; |
|
1541
|
|
|
} |
|
1542
|
|
|
} |
|
1543
|
|
|
} |
|
1544
|
|
|
|
|
1545
|
|
|
if ($data == null) { |
|
|
|
|
|
|
1546
|
|
|
$this->_info['xmp'] = false; |
|
1547
|
|
|
return false; |
|
1548
|
|
|
} |
|
1549
|
|
|
|
|
1550
|
|
|
$parser = xml_parser_create(); |
|
1551
|
|
|
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0); |
|
1552
|
|
|
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); |
|
1553
|
|
|
$result = xml_parse_into_struct($parser, $data, $values, $tags); |
|
1554
|
|
|
xml_parser_free($parser); |
|
1555
|
|
|
|
|
1556
|
|
|
if ($result == 0) { |
|
1557
|
|
|
$this->_info['xmp'] = false; |
|
1558
|
|
|
return false; |
|
1559
|
|
|
} |
|
1560
|
|
|
|
|
1561
|
|
|
$this->_info['xmp'] = array(); |
|
1562
|
|
|
$count = count($values); |
|
1563
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
1564
|
|
|
if ($values[$i]['tag'] == 'rdf:Description' && $values[$i]['type'] == 'open') { |
|
1565
|
|
|
|
|
1566
|
|
|
while ((++$i < $count) && ($values[$i]['tag'] != 'rdf:Description')) { |
|
1567
|
|
|
$this->_parseXmpNode($values, $i, $this->_info['xmp'][$values[$i]['tag']], $count); |
|
1568
|
|
|
} |
|
1569
|
|
|
} |
|
1570
|
|
|
} |
|
1571
|
|
|
return true; |
|
1572
|
|
|
} |
|
1573
|
|
|
|
|
1574
|
|
|
/** |
|
1575
|
|
|
* Parses XMP nodes by recursion |
|
1576
|
|
|
* |
|
1577
|
|
|
* @author Hakan Sandell <[email protected]> |
|
1578
|
|
|
* @param integer $count |
|
1579
|
|
|
*/ |
|
1580
|
|
|
function _parseXmpNode($values, &$i, &$meta, $count) { |
|
|
|
|
|
|
1581
|
|
|
if ($values[$i]['type'] == 'close') return; |
|
1582
|
|
|
|
|
1583
|
|
|
if ($values[$i]['type'] == 'complete') { |
|
1584
|
|
|
// Simple Type property |
|
1585
|
|
|
$meta = $values[$i]['value']; |
|
1586
|
|
|
return; |
|
1587
|
|
|
} |
|
1588
|
|
|
|
|
1589
|
|
|
$i++; |
|
1590
|
|
|
if ($i >= $count) return; |
|
1591
|
|
|
|
|
1592
|
|
|
if ($values[$i]['tag'] == 'rdf:Bag' || $values[$i]['tag'] == 'rdf:Seq') { |
|
1593
|
|
|
// Array property |
|
1594
|
|
|
$meta = array(); |
|
1595
|
|
|
while ($values[++$i]['tag'] == 'rdf:li') { |
|
1596
|
|
|
$this->_parseXmpNode($values, $i, $meta[], $count); |
|
1597
|
|
|
} |
|
1598
|
|
|
$i++; // skip closing Bag/Seq tag |
|
1599
|
|
|
|
|
1600
|
|
|
} elseif ($values[$i]['tag'] == 'rdf:Alt') { |
|
1601
|
|
|
// Language Alternative property, only the first (default) value is used |
|
1602
|
|
|
if ($values[$i]['type'] == 'open') { |
|
1603
|
|
|
$i++; |
|
1604
|
|
|
$this->_parseXmpNode($values, $i, $meta, $count); |
|
1605
|
|
|
while ((++$i < $count) && ($values[$i]['tag'] != 'rdf:Alt')); |
|
1606
|
|
|
$i++; // skip closing Alt tag |
|
1607
|
|
|
} |
|
1608
|
|
|
|
|
1609
|
|
|
} else { |
|
1610
|
|
|
// Structure property |
|
1611
|
|
|
$meta = array(); |
|
1612
|
|
|
$startTag = $values[$i-1]['tag']; |
|
1613
|
|
|
do { |
|
1614
|
|
|
$this->_parseXmpNode($values, $i, $meta[$values[$i]['tag']], $count); |
|
1615
|
|
|
} while ((++$i < $count) && ($values[$i]['tag'] != $startTag)); |
|
1616
|
|
|
} |
|
1617
|
|
|
} |
|
1618
|
|
|
|
|
1619
|
|
|
/*************************************************************/ |
|
1620
|
|
|
function _parseMarkerExif() { |
|
|
|
|
|
|
1621
|
|
|
if (!isset($this->_markers)) { |
|
1622
|
|
|
$this->_readJPEG(); |
|
1623
|
|
|
} |
|
1624
|
|
|
|
|
1625
|
|
|
if ($this->_markers == null) { |
|
1626
|
|
|
return false; |
|
1627
|
|
|
} |
|
1628
|
|
|
|
|
1629
|
|
|
$data = null; |
|
1630
|
|
|
$count = count($this->_markers); |
|
1631
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
1632
|
|
|
if ($this->_markers[$i]['marker'] == 0xE1) { |
|
1633
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 6); |
|
1634
|
|
|
if ($signature == "Exif\0\0") { |
|
1635
|
|
|
$data =& $this->_markers[$i]['data']; |
|
1636
|
|
|
break; |
|
1637
|
|
|
} |
|
1638
|
|
|
} |
|
1639
|
|
|
} |
|
1640
|
|
|
|
|
1641
|
|
|
if ($data == null) { |
|
1642
|
|
|
$this->_info['exif'] = false; |
|
1643
|
|
|
return false; |
|
1644
|
|
|
} |
|
1645
|
|
|
$pos = 6; |
|
1646
|
|
|
$this->_info['exif'] = array(); |
|
1647
|
|
|
|
|
1648
|
|
|
// We don't increment $pos after this because Exif uses offsets relative to this point |
|
1649
|
|
|
|
|
1650
|
|
|
$byteAlign = $this->_getShort($data, $pos + 0); |
|
1651
|
|
|
|
|
1652
|
|
|
if ($byteAlign == 0x4949) { // "II" |
|
1653
|
|
|
$isBigEndian = false; |
|
1654
|
|
|
} elseif ($byteAlign == 0x4D4D) { // "MM" |
|
1655
|
|
|
$isBigEndian = true; |
|
1656
|
|
|
} else { |
|
1657
|
|
|
return false; // Unexpected data |
|
1658
|
|
|
} |
|
1659
|
|
|
|
|
1660
|
|
|
$alignCheck = $this->_getShort($data, $pos + 2, $isBigEndian); |
|
1661
|
|
|
if ($alignCheck != 0x002A) // That's the expected value |
|
1662
|
|
|
return false; // Unexpected data |
|
1663
|
|
|
|
|
1664
|
|
|
if ($isBigEndian) { |
|
1665
|
|
|
$this->_info['exif']['ByteAlign'] = "Big Endian"; |
|
1666
|
|
|
} else { |
|
1667
|
|
|
$this->_info['exif']['ByteAlign'] = "Little Endian"; |
|
1668
|
|
|
} |
|
1669
|
|
|
|
|
1670
|
|
|
$offsetIFD0 = $this->_getLong($data, $pos + 4, $isBigEndian); |
|
1671
|
|
|
if ($offsetIFD0 < 8) |
|
1672
|
|
|
return false; // Unexpected data |
|
1673
|
|
|
|
|
1674
|
|
|
$offsetIFD1 = $this->_readIFD($data, $pos, $offsetIFD0, $isBigEndian, 'ifd0'); |
|
1675
|
|
|
if ($offsetIFD1 != 0) |
|
1676
|
|
|
$this->_readIFD($data, $pos, $offsetIFD1, $isBigEndian, 'ifd1'); |
|
1677
|
|
|
|
|
1678
|
|
|
return true; |
|
1679
|
|
|
} |
|
1680
|
|
|
|
|
1681
|
|
|
/*************************************************************/ |
|
1682
|
|
|
|
|
1683
|
|
|
/** |
|
1684
|
|
|
* @param integer $base |
|
1685
|
|
|
* @param boolean $isBigEndian |
|
1686
|
|
|
* @param string $mode |
|
1687
|
|
|
*/ |
|
1688
|
|
|
function _readIFD($data, $base, $offset, $isBigEndian, $mode) { |
|
|
|
|
|
|
1689
|
|
|
$EXIFTags = $this->_exifTagNames($mode); |
|
1690
|
|
|
|
|
1691
|
|
|
$numEntries = $this->_getShort($data, $base + $offset, $isBigEndian); |
|
1692
|
|
|
$offset += 2; |
|
1693
|
|
|
|
|
1694
|
|
|
$exifTIFFOffset = 0; |
|
1695
|
|
|
$exifTIFFLength = 0; |
|
1696
|
|
|
$exifThumbnailOffset = 0; |
|
1697
|
|
|
$exifThumbnailLength = 0; |
|
1698
|
|
|
|
|
1699
|
|
|
for ($i = 0; $i < $numEntries; $i++) { |
|
1700
|
|
|
$tag = $this->_getShort($data, $base + $offset, $isBigEndian); |
|
1701
|
|
|
$offset += 2; |
|
1702
|
|
|
$type = $this->_getShort($data, $base + $offset, $isBigEndian); |
|
1703
|
|
|
$offset += 2; |
|
1704
|
|
|
$count = $this->_getLong($data, $base + $offset, $isBigEndian); |
|
1705
|
|
|
$offset += 4; |
|
1706
|
|
|
|
|
1707
|
|
|
if (($type < 1) || ($type > 12)) |
|
1708
|
|
|
return false; // Unexpected Type |
|
1709
|
|
|
|
|
1710
|
|
|
$typeLengths = array( -1, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8 ); |
|
1711
|
|
|
|
|
1712
|
|
|
$dataLength = $typeLengths[$type] * $count; |
|
1713
|
|
|
if ($dataLength > 4) { |
|
1714
|
|
|
$dataOffset = $this->_getLong($data, $base + $offset, $isBigEndian); |
|
1715
|
|
|
$rawValue = $this->_getFixedString($data, $base + $dataOffset, $dataLength); |
|
1716
|
|
|
} else { |
|
1717
|
|
|
$rawValue = $this->_getFixedString($data, $base + $offset, $dataLength); |
|
1718
|
|
|
} |
|
1719
|
|
|
$offset += 4; |
|
1720
|
|
|
|
|
1721
|
|
|
switch ($type) { |
|
1722
|
|
|
case 1: // UBYTE |
|
1723
|
|
|
if ($count == 1) { |
|
1724
|
|
|
$value = $this->_getByte($rawValue, 0); |
|
1725
|
|
|
} else { |
|
1726
|
|
|
$value = array(); |
|
1727
|
|
|
for ($j = 0; $j < $count; $j++) |
|
1728
|
|
|
$value[$j] = $this->_getByte($rawValue, $j); |
|
1729
|
|
|
} |
|
1730
|
|
|
break; |
|
1731
|
|
|
case 2: // ASCII |
|
1732
|
|
|
$value = $rawValue; |
|
1733
|
|
|
break; |
|
1734
|
|
|
case 3: // USHORT |
|
1735
|
|
|
if ($count == 1) { |
|
1736
|
|
|
$value = $this->_getShort($rawValue, 0, $isBigEndian); |
|
1737
|
|
|
} else { |
|
1738
|
|
|
$value = array(); |
|
1739
|
|
|
for ($j = 0; $j < $count; $j++) |
|
1740
|
|
|
$value[$j] = $this->_getShort($rawValue, $j * 2, $isBigEndian); |
|
1741
|
|
|
} |
|
1742
|
|
|
break; |
|
1743
|
|
|
case 4: // ULONG |
|
1744
|
|
|
if ($count == 1) { |
|
1745
|
|
|
$value = $this->_getLong($rawValue, 0, $isBigEndian); |
|
1746
|
|
|
} else { |
|
1747
|
|
|
$value = array(); |
|
1748
|
|
|
for ($j = 0; $j < $count; $j++) |
|
1749
|
|
|
$value[$j] = $this->_getLong($rawValue, $j * 4, $isBigEndian); |
|
1750
|
|
|
} |
|
1751
|
|
|
break; |
|
1752
|
|
|
case 5: // URATIONAL |
|
1753
|
|
|
if ($count == 1) { |
|
1754
|
|
|
$a = $this->_getLong($rawValue, 0, $isBigEndian); |
|
1755
|
|
|
$b = $this->_getLong($rawValue, 4, $isBigEndian); |
|
1756
|
|
|
$value = array(); |
|
1757
|
|
|
$value['val'] = 0; |
|
1758
|
|
|
$value['num'] = $a; |
|
1759
|
|
|
$value['den'] = $b; |
|
1760
|
|
|
if (($a != 0) && ($b != 0)) { |
|
1761
|
|
|
$value['val'] = $a / $b; |
|
1762
|
|
|
} |
|
1763
|
|
|
} else { |
|
1764
|
|
|
$value = array(); |
|
1765
|
|
|
for ($j = 0; $j < $count; $j++) { |
|
1766
|
|
|
$a = $this->_getLong($rawValue, $j * 8, $isBigEndian); |
|
1767
|
|
|
$b = $this->_getLong($rawValue, ($j * 8) + 4, $isBigEndian); |
|
1768
|
|
|
$value = array(); |
|
1769
|
|
|
$value[$j]['val'] = 0; |
|
1770
|
|
|
$value[$j]['num'] = $a; |
|
1771
|
|
|
$value[$j]['den'] = $b; |
|
1772
|
|
|
if (($a != 0) && ($b != 0)) |
|
1773
|
|
|
$value[$j]['val'] = $a / $b; |
|
1774
|
|
|
} |
|
1775
|
|
|
} |
|
1776
|
|
|
break; |
|
1777
|
|
|
case 6: // SBYTE |
|
1778
|
|
|
if ($count == 1) { |
|
1779
|
|
|
$value = $this->_getByte($rawValue, 0); |
|
1780
|
|
|
} else { |
|
1781
|
|
|
$value = array(); |
|
1782
|
|
|
for ($j = 0; $j < $count; $j++) |
|
1783
|
|
|
$value[$j] = $this->_getByte($rawValue, $j); |
|
1784
|
|
|
} |
|
1785
|
|
|
break; |
|
1786
|
|
|
case 7: // UNDEFINED |
|
1787
|
|
|
$value = $rawValue; |
|
1788
|
|
|
break; |
|
1789
|
|
|
case 8: // SSHORT |
|
1790
|
|
|
if ($count == 1) { |
|
1791
|
|
|
$value = $this->_getShort($rawValue, 0, $isBigEndian); |
|
1792
|
|
|
} else { |
|
1793
|
|
|
$value = array(); |
|
1794
|
|
|
for ($j = 0; $j < $count; $j++) |
|
1795
|
|
|
$value[$j] = $this->_getShort($rawValue, $j * 2, $isBigEndian); |
|
1796
|
|
|
} |
|
1797
|
|
|
break; |
|
1798
|
|
|
case 9: // SLONG |
|
1799
|
|
|
if ($count == 1) { |
|
1800
|
|
|
$value = $this->_getLong($rawValue, 0, $isBigEndian); |
|
1801
|
|
|
} else { |
|
1802
|
|
|
$value = array(); |
|
1803
|
|
|
for ($j = 0; $j < $count; $j++) |
|
1804
|
|
|
$value[$j] = $this->_getLong($rawValue, $j * 4, $isBigEndian); |
|
1805
|
|
|
} |
|
1806
|
|
|
break; |
|
1807
|
|
|
case 10: // SRATIONAL |
|
1808
|
|
|
if ($count == 1) { |
|
1809
|
|
|
$a = $this->_getLong($rawValue, 0, $isBigEndian); |
|
1810
|
|
|
$b = $this->_getLong($rawValue, 4, $isBigEndian); |
|
1811
|
|
|
$value = array(); |
|
1812
|
|
|
$value['val'] = 0; |
|
1813
|
|
|
$value['num'] = $a; |
|
1814
|
|
|
$value['den'] = $b; |
|
1815
|
|
|
if (($a != 0) && ($b != 0)) |
|
1816
|
|
|
$value['val'] = $a / $b; |
|
1817
|
|
|
} else { |
|
1818
|
|
|
$value = array(); |
|
1819
|
|
|
for ($j = 0; $j < $count; $j++) { |
|
1820
|
|
|
$a = $this->_getLong($rawValue, $j * 8, $isBigEndian); |
|
1821
|
|
|
$b = $this->_getLong($rawValue, ($j * 8) + 4, $isBigEndian); |
|
1822
|
|
|
$value = array(); |
|
1823
|
|
|
$value[$j]['val'] = 0; |
|
1824
|
|
|
$value[$j]['num'] = $a; |
|
1825
|
|
|
$value[$j]['den'] = $b; |
|
1826
|
|
|
if (($a != 0) && ($b != 0)) |
|
1827
|
|
|
$value[$j]['val'] = $a / $b; |
|
1828
|
|
|
} |
|
1829
|
|
|
} |
|
1830
|
|
|
break; |
|
1831
|
|
|
case 11: // FLOAT |
|
1832
|
|
|
$value = $rawValue; |
|
1833
|
|
|
break; |
|
1834
|
|
|
|
|
1835
|
|
|
case 12: // DFLOAT |
|
1836
|
|
|
$value = $rawValue; |
|
1837
|
|
|
break; |
|
1838
|
|
|
default: |
|
1839
|
|
|
return false; // Unexpected Type |
|
1840
|
|
|
} |
|
1841
|
|
|
|
|
1842
|
|
|
$tagName = ''; |
|
|
|
|
|
|
1843
|
|
|
if (($mode == 'ifd0') && ($tag == 0x8769)) { // ExifIFDOffset |
|
1844
|
|
|
$this->_readIFD($data, $base, $value, $isBigEndian, 'exif'); |
|
1845
|
|
|
} elseif (($mode == 'ifd0') && ($tag == 0x8825)) { // GPSIFDOffset |
|
1846
|
|
|
$this->_readIFD($data, $base, $value, $isBigEndian, 'gps'); |
|
1847
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0111)) { // TIFFStripOffsets |
|
1848
|
|
|
$exifTIFFOffset = $value; |
|
1849
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0117)) { // TIFFStripByteCounts |
|
1850
|
|
|
$exifTIFFLength = $value; |
|
1851
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0201)) { // TIFFJFIFOffset |
|
1852
|
|
|
$exifThumbnailOffset = $value; |
|
1853
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0202)) { // TIFFJFIFLength |
|
1854
|
|
|
$exifThumbnailLength = $value; |
|
1855
|
|
|
} elseif (($mode == 'exif') && ($tag == 0xA005)) { // InteropIFDOffset |
|
1856
|
|
|
$this->_readIFD($data, $base, $value, $isBigEndian, 'interop'); |
|
1857
|
|
|
} |
|
1858
|
|
|
// elseif (($mode == 'exif') && ($tag == 0x927C)) { // MakerNote |
|
1859
|
|
|
// } |
|
1860
|
|
|
else { |
|
1861
|
|
|
if (isset($EXIFTags[$tag])) { |
|
1862
|
|
|
$tagName = $EXIFTags[$tag]; |
|
1863
|
|
|
if (isset($this->_info['exif'][$tagName])) { |
|
1864
|
|
|
if (!is_array($this->_info['exif'][$tagName])) { |
|
1865
|
|
|
$aux = array(); |
|
1866
|
|
|
$aux[0] = $this->_info['exif'][$tagName]; |
|
1867
|
|
|
$this->_info['exif'][$tagName] = $aux; |
|
1868
|
|
|
} |
|
1869
|
|
|
|
|
1870
|
|
|
$this->_info['exif'][$tagName][count($this->_info['exif'][$tagName])] = $value; |
|
1871
|
|
|
} else { |
|
1872
|
|
|
$this->_info['exif'][$tagName] = $value; |
|
1873
|
|
|
} |
|
1874
|
|
|
} |
|
1875
|
|
|
/* |
|
1876
|
|
|
else { |
|
1877
|
|
|
echo sprintf("<h1>Unknown tag %02x (t: %d l: %d) %s in %s</h1>", $tag, $type, $count, $mode, $this->_fileName); |
|
1878
|
|
|
// Unknown Tags will be ignored!!! |
|
1879
|
|
|
// That's because the tag might be a pointer (like the Exif tag) |
|
1880
|
|
|
// and saving it without saving the data it points to might |
|
1881
|
|
|
// create an invalid file. |
|
1882
|
|
|
} |
|
1883
|
|
|
*/ |
|
1884
|
|
|
} |
|
1885
|
|
|
} |
|
1886
|
|
|
|
|
1887
|
|
|
if (($exifThumbnailOffset > 0) && ($exifThumbnailLength > 0)) { |
|
1888
|
|
|
$this->_info['exif']['JFIFThumbnail'] = $this->_getFixedString($data, $base + $exifThumbnailOffset, $exifThumbnailLength); |
|
1889
|
|
|
} |
|
1890
|
|
|
|
|
1891
|
|
|
if (($exifTIFFOffset > 0) && ($exifTIFFLength > 0)) { |
|
1892
|
|
|
$this->_info['exif']['TIFFStrips'] = $this->_getFixedString($data, $base + $exifTIFFOffset, $exifTIFFLength); |
|
1893
|
|
|
} |
|
1894
|
|
|
|
|
1895
|
|
|
$nextOffset = $this->_getLong($data, $base + $offset, $isBigEndian); |
|
1896
|
|
|
return $nextOffset; |
|
1897
|
|
|
} |
|
1898
|
|
|
|
|
1899
|
|
|
/*************************************************************/ |
|
1900
|
|
|
function & _createMarkerExif() { |
|
1901
|
|
|
$data = null; |
|
1902
|
|
|
$count = count($this->_markers); |
|
1903
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
1904
|
|
|
if ($this->_markers[$i]['marker'] == 0xE1) { |
|
1905
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 6); |
|
1906
|
|
|
if ($signature == "Exif\0\0") { |
|
1907
|
|
|
$data =& $this->_markers[$i]['data']; |
|
1908
|
|
|
break; |
|
1909
|
|
|
} |
|
1910
|
|
|
} |
|
1911
|
|
|
} |
|
1912
|
|
|
|
|
1913
|
|
|
if (!isset($this->_info['exif'])) { |
|
1914
|
|
|
return false; |
|
1915
|
|
|
} |
|
1916
|
|
|
|
|
1917
|
|
|
$data = "Exif\0\0"; |
|
1918
|
|
|
$pos = 6; |
|
1919
|
|
|
$offsetBase = 6; |
|
1920
|
|
|
|
|
1921
|
|
|
if (isset($this->_info['exif']['ByteAlign']) && ($this->_info['exif']['ByteAlign'] == "Big Endian")) { |
|
1922
|
|
|
$isBigEndian = true; |
|
1923
|
|
|
$aux = "MM"; |
|
1924
|
|
|
$pos = $this->_putString($data, $pos, $aux); |
|
1925
|
|
|
} else { |
|
1926
|
|
|
$isBigEndian = false; |
|
1927
|
|
|
$aux = "II"; |
|
1928
|
|
|
$pos = $this->_putString($data, $pos, $aux); |
|
1929
|
|
|
} |
|
1930
|
|
|
$pos = $this->_putShort($data, $pos, 0x002A, $isBigEndian); |
|
1931
|
|
|
$pos = $this->_putLong($data, $pos, 0x00000008, $isBigEndian); // IFD0 Offset is always 8 |
|
1932
|
|
|
|
|
1933
|
|
|
$ifd0 =& $this->_getIFDEntries($isBigEndian, 'ifd0'); |
|
1934
|
|
|
$ifd1 =& $this->_getIFDEntries($isBigEndian, 'ifd1'); |
|
1935
|
|
|
|
|
1936
|
|
|
$pos = $this->_writeIFD($data, $pos, $offsetBase, $ifd0, $isBigEndian, true); |
|
1937
|
|
|
$pos = $this->_writeIFD($data, $pos, $offsetBase, $ifd1, $isBigEndian, false); |
|
|
|
|
|
|
1938
|
|
|
|
|
1939
|
|
|
return $data; |
|
1940
|
|
|
} |
|
1941
|
|
|
|
|
1942
|
|
|
/*************************************************************/ |
|
1943
|
|
|
|
|
1944
|
|
|
/** |
|
1945
|
|
|
* @param integer $offsetBase |
|
1946
|
|
|
* @param boolean $isBigEndian |
|
1947
|
|
|
* @param boolean $hasNext |
|
1948
|
|
|
*/ |
|
1949
|
|
|
function _writeIFD(&$data, $pos, $offsetBase, &$entries, $isBigEndian, $hasNext) { |
|
|
|
|
|
|
1950
|
|
|
$tiffData = null; |
|
1951
|
|
|
$tiffDataOffsetPos = -1; |
|
1952
|
|
|
|
|
1953
|
|
|
$entryCount = count($entries); |
|
1954
|
|
|
|
|
1955
|
|
|
$dataPos = $pos + 2 + ($entryCount * 12) + 4; |
|
1956
|
|
|
$pos = $this->_putShort($data, $pos, $entryCount, $isBigEndian); |
|
1957
|
|
|
|
|
1958
|
|
|
for ($i = 0; $i < $entryCount; $i++) { |
|
1959
|
|
|
$tag = $entries[$i]['tag']; |
|
1960
|
|
|
$type = $entries[$i]['type']; |
|
1961
|
|
|
|
|
1962
|
|
|
if ($type == -99) { // SubIFD |
|
1963
|
|
|
$pos = $this->_putShort($data, $pos, $tag, $isBigEndian); |
|
1964
|
|
|
$pos = $this->_putShort($data, $pos, 0x04, $isBigEndian); // LONG |
|
1965
|
|
|
$pos = $this->_putLong($data, $pos, 0x01, $isBigEndian); // Count = 1 |
|
1966
|
|
|
$pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian); |
|
1967
|
|
|
|
|
1968
|
|
|
$dataPos = $this->_writeIFD($data, $dataPos, $offsetBase, $entries[$i]['value'], $isBigEndian, false); |
|
1969
|
|
|
} elseif ($type == -98) { // TIFF Data |
|
1970
|
|
|
$pos = $this->_putShort($data, $pos, $tag, $isBigEndian); |
|
1971
|
|
|
$pos = $this->_putShort($data, $pos, 0x04, $isBigEndian); // LONG |
|
1972
|
|
|
$pos = $this->_putLong($data, $pos, 0x01, $isBigEndian); // Count = 1 |
|
1973
|
|
|
$tiffDataOffsetPos = $pos; |
|
1974
|
|
|
$pos = $this->_putLong($data, $pos, 0x00, $isBigEndian); // For Now |
|
1975
|
|
|
$tiffData =& $entries[$i]['value'] ; |
|
1976
|
|
|
} else { // Regular Entry |
|
1977
|
|
|
$pos = $this->_putShort($data, $pos, $tag, $isBigEndian); |
|
1978
|
|
|
$pos = $this->_putShort($data, $pos, $type, $isBigEndian); |
|
1979
|
|
|
$pos = $this->_putLong($data, $pos, $entries[$i]['count'], $isBigEndian); |
|
1980
|
|
|
if (strlen($entries[$i]['value']) > 4) { |
|
1981
|
|
|
$pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian); |
|
1982
|
|
|
$dataPos = $this->_putString($data, $dataPos, $entries[$i]['value']); |
|
1983
|
|
|
} else { |
|
1984
|
|
|
$val = str_pad($entries[$i]['value'], 4, "\0"); |
|
1985
|
|
|
$pos = $this->_putString($data, $pos, $val); |
|
1986
|
|
|
} |
|
1987
|
|
|
} |
|
1988
|
|
|
} |
|
1989
|
|
|
|
|
1990
|
|
|
if ($tiffData != null) { |
|
1991
|
|
|
$this->_putLong($data, $tiffDataOffsetPos, $dataPos - $offsetBase, $isBigEndian); |
|
1992
|
|
|
$dataPos = $this->_putString($data, $dataPos, $tiffData); |
|
1993
|
|
|
} |
|
1994
|
|
|
|
|
1995
|
|
|
if ($hasNext) { |
|
1996
|
|
|
$pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian); |
|
|
|
|
|
|
1997
|
|
|
} else { |
|
1998
|
|
|
$pos = $this->_putLong($data, $pos, 0, $isBigEndian); |
|
|
|
|
|
|
1999
|
|
|
} |
|
2000
|
|
|
|
|
2001
|
|
|
return $dataPos; |
|
2002
|
|
|
} |
|
2003
|
|
|
|
|
2004
|
|
|
/*************************************************************/ |
|
2005
|
|
|
|
|
2006
|
|
|
/** |
|
2007
|
|
|
* @param boolean $isBigEndian |
|
2008
|
|
|
* @param string $mode |
|
2009
|
|
|
*/ |
|
2010
|
|
|
function & _getIFDEntries($isBigEndian, $mode) { |
|
2011
|
|
|
$EXIFNames = $this->_exifTagNames($mode); |
|
2012
|
|
|
$EXIFTags = $this->_exifNameTags($mode); |
|
|
|
|
|
|
2013
|
|
|
$EXIFTypeInfo = $this->_exifTagTypes($mode); |
|
2014
|
|
|
|
|
2015
|
|
|
$ifdEntries = array(); |
|
2016
|
|
|
$entryCount = 0; |
|
2017
|
|
|
|
|
2018
|
|
|
reset($EXIFNames); |
|
2019
|
|
|
while (list($tag, $name) = each($EXIFNames)) { |
|
2020
|
|
|
$type = $EXIFTypeInfo[$tag][0]; |
|
2021
|
|
|
$count = $EXIFTypeInfo[$tag][1]; |
|
2022
|
|
|
$value = null; |
|
2023
|
|
|
|
|
2024
|
|
|
if (($mode == 'ifd0') && ($tag == 0x8769)) { // ExifIFDOffset |
|
2025
|
|
|
if (isset($this->_info['exif']['EXIFVersion'])) { |
|
2026
|
|
|
$value =& $this->_getIFDEntries($isBigEndian, "exif"); |
|
2027
|
|
|
$type = -99; |
|
2028
|
|
|
} |
|
2029
|
|
|
else { |
|
2030
|
|
|
$value = null; |
|
2031
|
|
|
} |
|
2032
|
|
|
} elseif (($mode == 'ifd0') && ($tag == 0x8825)) { // GPSIFDOffset |
|
2033
|
|
|
if (isset($this->_info['exif']['GPSVersionID'])) { |
|
2034
|
|
|
$value =& $this->_getIFDEntries($isBigEndian, "gps"); |
|
2035
|
|
|
$type = -99; |
|
2036
|
|
|
} else { |
|
2037
|
|
|
$value = null; |
|
2038
|
|
|
} |
|
2039
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0111)) { // TIFFStripOffsets |
|
2040
|
|
|
if (isset($this->_info['exif']['TIFFStrips'])) { |
|
2041
|
|
|
$value =& $this->_info['exif']['TIFFStrips']; |
|
2042
|
|
|
$type = -98; |
|
2043
|
|
|
} else { |
|
2044
|
|
|
$value = null; |
|
2045
|
|
|
} |
|
2046
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0117)) { // TIFFStripByteCounts |
|
2047
|
|
|
if (isset($this->_info['exif']['TIFFStrips'])) { |
|
2048
|
|
|
$value = strlen($this->_info['exif']['TIFFStrips']); |
|
2049
|
|
|
} else { |
|
2050
|
|
|
$value = null; |
|
2051
|
|
|
} |
|
2052
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0201)) { // TIFFJFIFOffset |
|
2053
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
|
2054
|
|
|
$value =& $this->_info['exif']['JFIFThumbnail']; |
|
2055
|
|
|
$type = -98; |
|
2056
|
|
|
} else { |
|
2057
|
|
|
$value = null; |
|
2058
|
|
|
} |
|
2059
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0202)) { // TIFFJFIFLength |
|
2060
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
|
2061
|
|
|
$value = strlen($this->_info['exif']['JFIFThumbnail']); |
|
2062
|
|
|
} else { |
|
2063
|
|
|
$value = null; |
|
2064
|
|
|
} |
|
2065
|
|
|
} elseif (($mode == 'exif') && ($tag == 0xA005)) { // InteropIFDOffset |
|
2066
|
|
|
if (isset($this->_info['exif']['InteroperabilityIndex'])) { |
|
2067
|
|
|
$value =& $this->_getIFDEntries($isBigEndian, "interop"); |
|
2068
|
|
|
$type = -99; |
|
2069
|
|
|
} else { |
|
2070
|
|
|
$value = null; |
|
2071
|
|
|
} |
|
2072
|
|
|
} elseif (isset($this->_info['exif'][$name])) { |
|
2073
|
|
|
$origValue =& $this->_info['exif'][$name]; |
|
2074
|
|
|
|
|
2075
|
|
|
// This makes it easier to process variable size elements |
|
2076
|
|
|
if (!is_array($origValue) || isset($origValue['val'])) { |
|
2077
|
|
|
unset($origValue); // Break the reference |
|
2078
|
|
|
$origValue = array($this->_info['exif'][$name]); |
|
2079
|
|
|
} |
|
2080
|
|
|
$origCount = count($origValue); |
|
2081
|
|
|
|
|
2082
|
|
|
if ($origCount == 0 ) { |
|
2083
|
|
|
$type = -1; // To ignore this field |
|
2084
|
|
|
} |
|
2085
|
|
|
|
|
2086
|
|
|
$value = " "; |
|
2087
|
|
|
|
|
2088
|
|
|
switch ($type) { |
|
2089
|
|
|
case 1: // UBYTE |
|
2090
|
|
|
if ($count == 0) { |
|
2091
|
|
|
$count = $origCount; |
|
2092
|
|
|
} |
|
2093
|
|
|
|
|
2094
|
|
|
$j = 0; |
|
2095
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2096
|
|
|
|
|
2097
|
|
|
$this->_putByte($value, $j, $origValue[$j]); |
|
2098
|
|
|
$j++; |
|
2099
|
|
|
} |
|
2100
|
|
|
|
|
2101
|
|
|
while ($j < $count) { |
|
2102
|
|
|
$this->_putByte($value, $j, 0); |
|
2103
|
|
|
$j++; |
|
2104
|
|
|
} |
|
2105
|
|
|
break; |
|
2106
|
|
|
case 2: // ASCII |
|
2107
|
|
|
$v = strval($origValue[0]); |
|
2108
|
|
|
if (($count != 0) && (strlen($v) > $count)) { |
|
2109
|
|
|
$v = substr($v, 0, $count); |
|
2110
|
|
|
} |
|
2111
|
|
|
elseif (($count > 0) && (strlen($v) < $count)) { |
|
2112
|
|
|
$v = str_pad($v, $count, "\0"); |
|
2113
|
|
|
} |
|
2114
|
|
|
|
|
2115
|
|
|
$count = strlen($v); |
|
2116
|
|
|
|
|
2117
|
|
|
$this->_putString($value, 0, $v); |
|
2118
|
|
|
break; |
|
2119
|
|
|
case 3: // USHORT |
|
2120
|
|
|
if ($count == 0) { |
|
2121
|
|
|
$count = $origCount; |
|
2122
|
|
|
} |
|
2123
|
|
|
|
|
2124
|
|
|
$j = 0; |
|
2125
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2126
|
|
|
$this->_putShort($value, $j * 2, $origValue[$j], $isBigEndian); |
|
2127
|
|
|
$j++; |
|
2128
|
|
|
} |
|
2129
|
|
|
|
|
2130
|
|
|
while ($j < $count) { |
|
2131
|
|
|
$this->_putShort($value, $j * 2, 0, $isBigEndian); |
|
2132
|
|
|
$j++; |
|
2133
|
|
|
} |
|
2134
|
|
|
break; |
|
2135
|
|
|
case 4: // ULONG |
|
2136
|
|
|
if ($count == 0) { |
|
2137
|
|
|
$count = $origCount; |
|
2138
|
|
|
} |
|
2139
|
|
|
|
|
2140
|
|
|
$j = 0; |
|
2141
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2142
|
|
|
$this->_putLong($value, $j * 4, $origValue[$j], $isBigEndian); |
|
2143
|
|
|
$j++; |
|
2144
|
|
|
} |
|
2145
|
|
|
|
|
2146
|
|
|
while ($j < $count) { |
|
2147
|
|
|
$this->_putLong($value, $j * 4, 0, $isBigEndian); |
|
2148
|
|
|
$j++; |
|
2149
|
|
|
} |
|
2150
|
|
|
break; |
|
2151
|
|
|
case 5: // URATIONAL |
|
2152
|
|
|
if ($count == 0) { |
|
2153
|
|
|
$count = $origCount; |
|
2154
|
|
|
} |
|
2155
|
|
|
|
|
2156
|
|
|
$j = 0; |
|
2157
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2158
|
|
|
$v = $origValue[$j]; |
|
2159
|
|
|
if (is_array($v)) { |
|
2160
|
|
|
$a = $v['num']; |
|
2161
|
|
|
$b = $v['den']; |
|
2162
|
|
|
} |
|
2163
|
|
|
else { |
|
2164
|
|
|
$a = 0; |
|
2165
|
|
|
$b = 0; |
|
2166
|
|
|
// TODO: Allow other types and convert them |
|
2167
|
|
|
} |
|
2168
|
|
|
$this->_putLong($value, $j * 8, $a, $isBigEndian); |
|
2169
|
|
|
$this->_putLong($value, ($j * 8) + 4, $b, $isBigEndian); |
|
2170
|
|
|
$j++; |
|
2171
|
|
|
} |
|
2172
|
|
|
|
|
2173
|
|
|
while ($j < $count) { |
|
2174
|
|
|
$this->_putLong($value, $j * 8, 0, $isBigEndian); |
|
2175
|
|
|
$this->_putLong($value, ($j * 8) + 4, 0, $isBigEndian); |
|
2176
|
|
|
$j++; |
|
2177
|
|
|
} |
|
2178
|
|
|
break; |
|
2179
|
|
|
case 6: // SBYTE |
|
2180
|
|
|
if ($count == 0) { |
|
2181
|
|
|
$count = $origCount; |
|
2182
|
|
|
} |
|
2183
|
|
|
|
|
2184
|
|
|
$j = 0; |
|
2185
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2186
|
|
|
$this->_putByte($value, $j, $origValue[$j]); |
|
2187
|
|
|
$j++; |
|
2188
|
|
|
} |
|
2189
|
|
|
|
|
2190
|
|
|
while ($j < $count) { |
|
2191
|
|
|
$this->_putByte($value, $j, 0); |
|
2192
|
|
|
$j++; |
|
2193
|
|
|
} |
|
2194
|
|
|
break; |
|
2195
|
|
|
case 7: // UNDEFINED |
|
2196
|
|
|
$v = strval($origValue[0]); |
|
2197
|
|
|
if (($count != 0) && (strlen($v) > $count)) { |
|
2198
|
|
|
$v = substr($v, 0, $count); |
|
2199
|
|
|
} |
|
2200
|
|
|
elseif (($count > 0) && (strlen($v) < $count)) { |
|
2201
|
|
|
$v = str_pad($v, $count, "\0"); |
|
2202
|
|
|
} |
|
2203
|
|
|
|
|
2204
|
|
|
$count = strlen($v); |
|
2205
|
|
|
|
|
2206
|
|
|
$this->_putString($value, 0, $v); |
|
2207
|
|
|
break; |
|
2208
|
|
|
case 8: // SSHORT |
|
2209
|
|
|
if ($count == 0) { |
|
2210
|
|
|
$count = $origCount; |
|
2211
|
|
|
} |
|
2212
|
|
|
|
|
2213
|
|
|
$j = 0; |
|
2214
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2215
|
|
|
$this->_putShort($value, $j * 2, $origValue[$j], $isBigEndian); |
|
2216
|
|
|
$j++; |
|
2217
|
|
|
} |
|
2218
|
|
|
|
|
2219
|
|
|
while ($j < $count) { |
|
2220
|
|
|
$this->_putShort($value, $j * 2, 0, $isBigEndian); |
|
2221
|
|
|
$j++; |
|
2222
|
|
|
} |
|
2223
|
|
|
break; |
|
2224
|
|
|
case 9: // SLONG |
|
2225
|
|
|
if ($count == 0) { |
|
2226
|
|
|
$count = $origCount; |
|
2227
|
|
|
} |
|
2228
|
|
|
|
|
2229
|
|
|
$j = 0; |
|
2230
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2231
|
|
|
$this->_putLong($value, $j * 4, $origValue[$j], $isBigEndian); |
|
2232
|
|
|
$j++; |
|
2233
|
|
|
} |
|
2234
|
|
|
|
|
2235
|
|
|
while ($j < $count) { |
|
2236
|
|
|
$this->_putLong($value, $j * 4, 0, $isBigEndian); |
|
2237
|
|
|
$j++; |
|
2238
|
|
|
} |
|
2239
|
|
|
break; |
|
2240
|
|
|
case 10: // SRATIONAL |
|
2241
|
|
|
if ($count == 0) { |
|
2242
|
|
|
$count = $origCount; |
|
2243
|
|
|
} |
|
2244
|
|
|
|
|
2245
|
|
|
$j = 0; |
|
2246
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2247
|
|
|
$v = $origValue[$j]; |
|
2248
|
|
|
if (is_array($v)) { |
|
2249
|
|
|
$a = $v['num']; |
|
2250
|
|
|
$b = $v['den']; |
|
2251
|
|
|
} |
|
2252
|
|
|
else { |
|
2253
|
|
|
$a = 0; |
|
2254
|
|
|
$b = 0; |
|
2255
|
|
|
// TODO: Allow other types and convert them |
|
2256
|
|
|
} |
|
2257
|
|
|
|
|
2258
|
|
|
$this->_putLong($value, $j * 8, $a, $isBigEndian); |
|
2259
|
|
|
$this->_putLong($value, ($j * 8) + 4, $b, $isBigEndian); |
|
2260
|
|
|
$j++; |
|
2261
|
|
|
} |
|
2262
|
|
|
|
|
2263
|
|
|
while ($j < $count) { |
|
2264
|
|
|
$this->_putLong($value, $j * 8, 0, $isBigEndian); |
|
2265
|
|
|
$this->_putLong($value, ($j * 8) + 4, 0, $isBigEndian); |
|
2266
|
|
|
$j++; |
|
2267
|
|
|
} |
|
2268
|
|
|
break; |
|
2269
|
|
|
case 11: // FLOAT |
|
2270
|
|
|
if ($count == 0) { |
|
2271
|
|
|
$count = $origCount; |
|
2272
|
|
|
} |
|
2273
|
|
|
|
|
2274
|
|
|
$j = 0; |
|
2275
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2276
|
|
|
$v = strval($origValue[$j]); |
|
2277
|
|
|
if (strlen($v) > 4) { |
|
2278
|
|
|
$v = substr($v, 0, 4); |
|
2279
|
|
|
} |
|
2280
|
|
|
elseif (strlen($v) < 4) { |
|
2281
|
|
|
$v = str_pad($v, 4, "\0"); |
|
2282
|
|
|
} |
|
2283
|
|
|
$this->_putString($value, $j * 4, $v); |
|
2284
|
|
|
$j++; |
|
2285
|
|
|
} |
|
2286
|
|
|
|
|
2287
|
|
|
while ($j < $count) { |
|
2288
|
|
|
$v = "\0\0\0\0"; |
|
2289
|
|
|
$this->_putString($value, $j * 4, $v); |
|
2290
|
|
|
$j++; |
|
2291
|
|
|
} |
|
2292
|
|
|
break; |
|
2293
|
|
|
case 12: // DFLOAT |
|
2294
|
|
|
if ($count == 0) { |
|
2295
|
|
|
$count = $origCount; |
|
2296
|
|
|
} |
|
2297
|
|
|
|
|
2298
|
|
|
$j = 0; |
|
2299
|
|
|
while (($j < $count) && ($j < $origCount)) { |
|
2300
|
|
|
$v = strval($origValue[$j]); |
|
2301
|
|
|
if (strlen($v) > 8) { |
|
2302
|
|
|
$v = substr($v, 0, 8); |
|
2303
|
|
|
} |
|
2304
|
|
|
elseif (strlen($v) < 8) { |
|
2305
|
|
|
$v = str_pad($v, 8, "\0"); |
|
2306
|
|
|
} |
|
2307
|
|
|
$this->_putString($value, $j * 8, $v); |
|
2308
|
|
|
$j++; |
|
2309
|
|
|
} |
|
2310
|
|
|
|
|
2311
|
|
|
while ($j < $count) { |
|
2312
|
|
|
$v = "\0\0\0\0\0\0\0\0"; |
|
2313
|
|
|
$this->_putString($value, $j * 8, $v); |
|
2314
|
|
|
$j++; |
|
2315
|
|
|
} |
|
2316
|
|
|
break; |
|
2317
|
|
|
default: |
|
2318
|
|
|
$value = null; |
|
2319
|
|
|
break; |
|
2320
|
|
|
} |
|
2321
|
|
|
} |
|
2322
|
|
|
|
|
2323
|
|
|
if ($value != null) { |
|
2324
|
|
|
$ifdEntries[$entryCount] = array(); |
|
2325
|
|
|
$ifdEntries[$entryCount]['tag'] = $tag; |
|
2326
|
|
|
$ifdEntries[$entryCount]['type'] = $type; |
|
2327
|
|
|
$ifdEntries[$entryCount]['count'] = $count; |
|
2328
|
|
|
$ifdEntries[$entryCount]['value'] = $value; |
|
2329
|
|
|
|
|
2330
|
|
|
$entryCount++; |
|
2331
|
|
|
} |
|
2332
|
|
|
} |
|
2333
|
|
|
|
|
2334
|
|
|
return $ifdEntries; |
|
2335
|
|
|
} |
|
2336
|
|
|
|
|
2337
|
|
|
/*************************************************************/ |
|
2338
|
|
|
function _parseMarkerAdobe() { |
|
|
|
|
|
|
2339
|
|
|
if (!isset($this->_markers)) { |
|
2340
|
|
|
$this->_readJPEG(); |
|
2341
|
|
|
} |
|
2342
|
|
|
|
|
2343
|
|
|
if ($this->_markers == null) { |
|
2344
|
|
|
return false; |
|
2345
|
|
|
} |
|
2346
|
|
|
|
|
2347
|
|
|
$data = null; |
|
2348
|
|
|
$count = count($this->_markers); |
|
2349
|
|
|
for ($i = 0; $i < $count; $i++) { |
|
2350
|
|
|
if ($this->_markers[$i]['marker'] == 0xED) { |
|
2351
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 14); |
|
2352
|
|
|
if ($signature == "Photoshop 3.0\0") { |
|
2353
|
|
|
$data =& $this->_markers[$i]['data']; |
|
2354
|
|
|
break; |
|
2355
|
|
|
} |
|
2356
|
|
|
} |
|
2357
|
|
|
} |
|
2358
|
|
|
|
|
2359
|
|
|
if ($data == null) { |
|
2360
|
|
|
$this->_info['adobe'] = false; |
|
2361
|
|
|
$this->_info['iptc'] = false; |
|
2362
|
|
|
return false; |
|
2363
|
|
|
} |
|
2364
|
|
|
$pos = 14; |
|
2365
|
|
|
$this->_info['adobe'] = array(); |
|
2366
|
|
|
$this->_info['adobe']['raw'] = array(); |
|
2367
|
|
|
$this->_info['iptc'] = array(); |
|
2368
|
|
|
|
|
2369
|
|
|
$datasize = strlen($data); |
|
2370
|
|
|
|
|
2371
|
|
|
while ($pos < $datasize) { |
|
2372
|
|
|
$signature = $this->_getFixedString($data, $pos, 4); |
|
2373
|
|
|
if ($signature != '8BIM') |
|
2374
|
|
|
return false; |
|
2375
|
|
|
$pos += 4; |
|
2376
|
|
|
|
|
2377
|
|
|
$type = $this->_getShort($data, $pos); |
|
2378
|
|
|
$pos += 2; |
|
2379
|
|
|
|
|
2380
|
|
|
$strlen = $this->_getByte($data, $pos); |
|
2381
|
|
|
$pos += 1; |
|
2382
|
|
|
$header = ''; |
|
2383
|
|
|
for ($i = 0; $i < $strlen; $i++) { |
|
2384
|
|
|
$header .= $data{$pos + $i}; |
|
2385
|
|
|
} |
|
2386
|
|
|
$pos += $strlen + 1 - ($strlen % 2); // The string is padded to even length, counting the length byte itself |
|
2387
|
|
|
|
|
2388
|
|
|
$length = $this->_getLong($data, $pos); |
|
2389
|
|
|
$pos += 4; |
|
2390
|
|
|
|
|
2391
|
|
|
$basePos = $pos; |
|
2392
|
|
|
|
|
2393
|
|
|
switch ($type) { |
|
2394
|
|
|
case 0x0404: // Caption (IPTC Data) |
|
2395
|
|
|
$pos = $this->_readIPTC($data, $pos); |
|
2396
|
|
|
if ($pos == false) |
|
|
|
|
|
|
2397
|
|
|
return false; |
|
2398
|
|
|
break; |
|
2399
|
|
|
case 0x040A: // CopyrightFlag |
|
2400
|
|
|
$this->_info['adobe']['CopyrightFlag'] = $this->_getByte($data, $pos); |
|
2401
|
|
|
$pos += $length; |
|
2402
|
|
|
break; |
|
2403
|
|
|
case 0x040B: // ImageURL |
|
2404
|
|
|
$this->_info['adobe']['ImageURL'] = $this->_getFixedString($data, $pos, $length); |
|
2405
|
|
|
$pos += $length; |
|
2406
|
|
|
break; |
|
2407
|
|
|
case 0x040C: // Thumbnail |
|
2408
|
|
|
$aux = $this->_getLong($data, $pos); |
|
2409
|
|
|
$pos += 4; |
|
2410
|
|
|
if ($aux == 1) { |
|
2411
|
|
|
$this->_info['adobe']['ThumbnailWidth'] = $this->_getLong($data, $pos); |
|
2412
|
|
|
$pos += 4; |
|
2413
|
|
|
$this->_info['adobe']['ThumbnailHeight'] = $this->_getLong($data, $pos); |
|
2414
|
|
|
$pos += 4; |
|
2415
|
|
|
|
|
2416
|
|
|
$pos += 16; // Skip some data |
|
2417
|
|
|
|
|
2418
|
|
|
$this->_info['adobe']['ThumbnailData'] = $this->_getFixedString($data, $pos, $length - 28); |
|
2419
|
|
|
$pos += $length - 28; |
|
2420
|
|
|
} |
|
2421
|
|
|
break; |
|
2422
|
|
|
default: |
|
2423
|
|
|
break; |
|
2424
|
|
|
} |
|
2425
|
|
|
|
|
2426
|
|
|
// We save all blocks, even those we recognized |
|
2427
|
|
|
$label = sprintf('8BIM_0x%04x', $type); |
|
2428
|
|
|
$this->_info['adobe']['raw'][$label] = array(); |
|
2429
|
|
|
$this->_info['adobe']['raw'][$label]['type'] = $type; |
|
2430
|
|
|
$this->_info['adobe']['raw'][$label]['header'] = $header; |
|
2431
|
|
|
$this->_info['adobe']['raw'][$label]['data'] =& $this->_getFixedString($data, $basePos, $length); |
|
2432
|
|
|
|
|
2433
|
|
|
$pos = $basePos + $length + ($length % 2); // Even padding |
|
2434
|
|
|
} |
|
2435
|
|
|
|
|
2436
|
|
|
} |
|
2437
|
|
|
|
|
2438
|
|
|
/*************************************************************/ |
|
2439
|
|
|
function _readIPTC(&$data, $pos = 0) { |
|
|
|
|
|
|
2440
|
|
|
$totalLength = strlen($data); |
|
2441
|
|
|
|
|
2442
|
|
|
$IPTCTags = $this->_iptcTagNames(); |
|
2443
|
|
|
|
|
2444
|
|
|
while ($pos < ($totalLength - 5)) { |
|
2445
|
|
|
$signature = $this->_getShort($data, $pos); |
|
2446
|
|
|
if ($signature != 0x1C02) |
|
2447
|
|
|
return $pos; |
|
2448
|
|
|
$pos += 2; |
|
2449
|
|
|
|
|
2450
|
|
|
$type = $this->_getByte($data, $pos); |
|
2451
|
|
|
$pos += 1; |
|
2452
|
|
|
$length = $this->_getShort($data, $pos); |
|
2453
|
|
|
$pos += 2; |
|
2454
|
|
|
|
|
2455
|
|
|
$basePos = $pos; |
|
2456
|
|
|
$label = ''; |
|
|
|
|
|
|
2457
|
|
|
|
|
2458
|
|
|
if (isset($IPTCTags[$type])) { |
|
2459
|
|
|
$label = $IPTCTags[$type]; |
|
2460
|
|
|
} else { |
|
2461
|
|
|
$label = sprintf('IPTC_0x%02x', $type); |
|
2462
|
|
|
} |
|
2463
|
|
|
|
|
2464
|
|
|
if ($label != '') { |
|
2465
|
|
|
if (isset($this->_info['iptc'][$label])) { |
|
2466
|
|
|
if (!is_array($this->_info['iptc'][$label])) { |
|
2467
|
|
|
$aux = array(); |
|
2468
|
|
|
$aux[0] = $this->_info['iptc'][$label]; |
|
2469
|
|
|
$this->_info['iptc'][$label] = $aux; |
|
2470
|
|
|
} |
|
2471
|
|
|
$this->_info['iptc'][$label][ count($this->_info['iptc'][$label]) ] = $this->_getFixedString($data, $pos, $length); |
|
2472
|
|
|
} else { |
|
2473
|
|
|
$this->_info['iptc'][$label] = $this->_getFixedString($data, $pos, $length); |
|
2474
|
|
|
} |
|
2475
|
|
|
} |
|
2476
|
|
|
|
|
2477
|
|
|
$pos = $basePos + $length; // No padding |
|
2478
|
|
|
} |
|
2479
|
|
|
return $pos; |
|
2480
|
|
|
} |
|
2481
|
|
|
|
|
2482
|
|
|
/*************************************************************/ |
|
2483
|
|
|
function & _createMarkerAdobe() { |
|
2484
|
|
|
if (isset($this->_info['iptc'])) { |
|
2485
|
|
|
if (!isset($this->_info['adobe'])) { |
|
2486
|
|
|
$this->_info['adobe'] = array(); |
|
2487
|
|
|
} |
|
2488
|
|
|
if (!isset($this->_info['adobe']['raw'])) { |
|
2489
|
|
|
$this->_info['adobe']['raw'] = array(); |
|
2490
|
|
|
} |
|
2491
|
|
|
if (!isset($this->_info['adobe']['raw']['8BIM_0x0404'])) { |
|
2492
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404'] = array(); |
|
2493
|
|
|
} |
|
2494
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404']['type'] = 0x0404; |
|
2495
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404']['header'] = "Caption"; |
|
2496
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404']['data'] =& $this->_writeIPTC(); |
|
2497
|
|
|
} |
|
2498
|
|
|
|
|
2499
|
|
|
if (isset($this->_info['adobe']['raw']) && (count($this->_info['adobe']['raw']) > 0)) { |
|
2500
|
|
|
$data = "Photoshop 3.0\0"; |
|
2501
|
|
|
$pos = 14; |
|
2502
|
|
|
|
|
2503
|
|
|
reset($this->_info['adobe']['raw']); |
|
2504
|
|
|
while (list($key) = each($this->_info['adobe']['raw'])) { |
|
2505
|
|
|
$pos = $this->_write8BIM( |
|
2506
|
|
|
$data, |
|
2507
|
|
|
$pos, |
|
2508
|
|
|
$this->_info['adobe']['raw'][$key]['type'], |
|
2509
|
|
|
$this->_info['adobe']['raw'][$key]['header'], |
|
2510
|
|
|
$this->_info['adobe']['raw'][$key]['data'] ); |
|
2511
|
|
|
} |
|
2512
|
|
|
} |
|
2513
|
|
|
|
|
2514
|
|
|
return $data; |
|
|
|
|
|
|
2515
|
|
|
} |
|
2516
|
|
|
|
|
2517
|
|
|
/*************************************************************/ |
|
2518
|
|
|
|
|
2519
|
|
|
/** |
|
2520
|
|
|
* @param integer $pos |
|
2521
|
|
|
*/ |
|
2522
|
|
|
function _write8BIM(&$data, $pos, $type, $header, &$value) { |
|
|
|
|
|
|
2523
|
|
|
$signature = "8BIM"; |
|
2524
|
|
|
|
|
2525
|
|
|
$pos = $this->_putString($data, $pos, $signature); |
|
2526
|
|
|
$pos = $this->_putShort($data, $pos, $type); |
|
2527
|
|
|
|
|
2528
|
|
|
$len = strlen($header); |
|
2529
|
|
|
|
|
2530
|
|
|
$pos = $this->_putByte($data, $pos, $len); |
|
2531
|
|
|
$pos = $this->_putString($data, $pos, $header); |
|
2532
|
|
|
if (($len % 2) == 0) { // Even padding, including the length byte |
|
2533
|
|
|
$pos = $this->_putByte($data, $pos, 0); |
|
2534
|
|
|
} |
|
2535
|
|
|
|
|
2536
|
|
|
$len = strlen($value); |
|
2537
|
|
|
$pos = $this->_putLong($data, $pos, $len); |
|
2538
|
|
|
$pos = $this->_putString($data, $pos, $value); |
|
2539
|
|
|
if (($len % 2) != 0) { // Even padding |
|
2540
|
|
|
$pos = $this->_putByte($data, $pos, 0); |
|
2541
|
|
|
} |
|
2542
|
|
|
return $pos; |
|
2543
|
|
|
} |
|
2544
|
|
|
|
|
2545
|
|
|
/*************************************************************/ |
|
2546
|
|
|
function & _writeIPTC() { |
|
2547
|
|
|
$data = " "; |
|
2548
|
|
|
$pos = 0; |
|
2549
|
|
|
|
|
2550
|
|
|
$IPTCNames =& $this->_iptcNameTags(); |
|
2551
|
|
|
|
|
2552
|
|
|
reset($this->_info['iptc']); |
|
2553
|
|
|
|
|
2554
|
|
|
while (list($label) = each($this->_info['iptc'])) { |
|
2555
|
|
|
$value =& $this->_info['iptc'][$label]; |
|
2556
|
|
|
$type = -1; |
|
2557
|
|
|
|
|
2558
|
|
|
if (isset($IPTCNames[$label])) { |
|
2559
|
|
|
$type = $IPTCNames[$label]; |
|
2560
|
|
|
} |
|
2561
|
|
|
elseif (substr($label, 0, 7) == "IPTC_0x") { |
|
2562
|
|
|
$type = hexdec(substr($label, 7, 2)); |
|
2563
|
|
|
} |
|
2564
|
|
|
|
|
2565
|
|
|
if ($type != -1) { |
|
2566
|
|
|
if (is_array($value)) { |
|
2567
|
|
|
$vcnt = count($value); |
|
2568
|
|
|
for ($i = 0; $i < $vcnt; $i++) { |
|
2569
|
|
|
$pos = $this->_writeIPTCEntry($data, $pos, $type, $value[$i]); |
|
2570
|
|
|
} |
|
2571
|
|
|
} |
|
2572
|
|
|
else { |
|
2573
|
|
|
$pos = $this->_writeIPTCEntry($data, $pos, $type, $value); |
|
2574
|
|
|
} |
|
2575
|
|
|
} |
|
2576
|
|
|
} |
|
2577
|
|
|
|
|
2578
|
|
|
return $data; |
|
2579
|
|
|
} |
|
2580
|
|
|
|
|
2581
|
|
|
/*************************************************************/ |
|
2582
|
|
|
|
|
2583
|
|
|
/** |
|
2584
|
|
|
* @param integer $pos |
|
2585
|
|
|
*/ |
|
2586
|
|
|
function _writeIPTCEntry(&$data, $pos, $type, &$value) { |
|
|
|
|
|
|
2587
|
|
|
$pos = $this->_putShort($data, $pos, 0x1C02); |
|
2588
|
|
|
$pos = $this->_putByte($data, $pos, $type); |
|
2589
|
|
|
$pos = $this->_putShort($data, $pos, strlen($value)); |
|
2590
|
|
|
$pos = $this->_putString($data, $pos, $value); |
|
2591
|
|
|
|
|
2592
|
|
|
return $pos; |
|
2593
|
|
|
} |
|
2594
|
|
|
|
|
2595
|
|
|
/*************************************************************/ |
|
2596
|
|
|
function _exifTagNames($mode) { |
|
|
|
|
|
|
2597
|
|
|
$tags = array(); |
|
2598
|
|
|
|
|
2599
|
|
|
if ($mode == 'ifd0') { |
|
2600
|
|
|
$tags[0x010E] = 'ImageDescription'; |
|
2601
|
|
|
$tags[0x010F] = 'Make'; |
|
2602
|
|
|
$tags[0x0110] = 'Model'; |
|
2603
|
|
|
$tags[0x0112] = 'Orientation'; |
|
2604
|
|
|
$tags[0x011A] = 'XResolution'; |
|
2605
|
|
|
$tags[0x011B] = 'YResolution'; |
|
2606
|
|
|
$tags[0x0128] = 'ResolutionUnit'; |
|
2607
|
|
|
$tags[0x0131] = 'Software'; |
|
2608
|
|
|
$tags[0x0132] = 'DateTime'; |
|
2609
|
|
|
$tags[0x013B] = 'Artist'; |
|
2610
|
|
|
$tags[0x013E] = 'WhitePoint'; |
|
2611
|
|
|
$tags[0x013F] = 'PrimaryChromaticities'; |
|
2612
|
|
|
$tags[0x0211] = 'YCbCrCoefficients'; |
|
2613
|
|
|
$tags[0x0212] = 'YCbCrSubSampling'; |
|
2614
|
|
|
$tags[0x0213] = 'YCbCrPositioning'; |
|
2615
|
|
|
$tags[0x0214] = 'ReferenceBlackWhite'; |
|
2616
|
|
|
$tags[0x8298] = 'Copyright'; |
|
2617
|
|
|
$tags[0x8769] = 'ExifIFDOffset'; |
|
2618
|
|
|
$tags[0x8825] = 'GPSIFDOffset'; |
|
2619
|
|
|
} |
|
2620
|
|
|
if ($mode == 'ifd1') { |
|
2621
|
|
|
$tags[0x00FE] = 'TIFFNewSubfileType'; |
|
2622
|
|
|
$tags[0x00FF] = 'TIFFSubfileType'; |
|
2623
|
|
|
$tags[0x0100] = 'TIFFImageWidth'; |
|
2624
|
|
|
$tags[0x0101] = 'TIFFImageHeight'; |
|
2625
|
|
|
$tags[0x0102] = 'TIFFBitsPerSample'; |
|
2626
|
|
|
$tags[0x0103] = 'TIFFCompression'; |
|
2627
|
|
|
$tags[0x0106] = 'TIFFPhotometricInterpretation'; |
|
2628
|
|
|
$tags[0x0107] = 'TIFFThreshholding'; |
|
2629
|
|
|
$tags[0x0108] = 'TIFFCellWidth'; |
|
2630
|
|
|
$tags[0x0109] = 'TIFFCellLength'; |
|
2631
|
|
|
$tags[0x010A] = 'TIFFFillOrder'; |
|
2632
|
|
|
$tags[0x010E] = 'TIFFImageDescription'; |
|
2633
|
|
|
$tags[0x010F] = 'TIFFMake'; |
|
2634
|
|
|
$tags[0x0110] = 'TIFFModel'; |
|
2635
|
|
|
$tags[0x0111] = 'TIFFStripOffsets'; |
|
2636
|
|
|
$tags[0x0112] = 'TIFFOrientation'; |
|
2637
|
|
|
$tags[0x0115] = 'TIFFSamplesPerPixel'; |
|
2638
|
|
|
$tags[0x0116] = 'TIFFRowsPerStrip'; |
|
2639
|
|
|
$tags[0x0117] = 'TIFFStripByteCounts'; |
|
2640
|
|
|
$tags[0x0118] = 'TIFFMinSampleValue'; |
|
2641
|
|
|
$tags[0x0119] = 'TIFFMaxSampleValue'; |
|
2642
|
|
|
$tags[0x011A] = 'TIFFXResolution'; |
|
2643
|
|
|
$tags[0x011B] = 'TIFFYResolution'; |
|
2644
|
|
|
$tags[0x011C] = 'TIFFPlanarConfiguration'; |
|
2645
|
|
|
$tags[0x0122] = 'TIFFGrayResponseUnit'; |
|
2646
|
|
|
$tags[0x0123] = 'TIFFGrayResponseCurve'; |
|
2647
|
|
|
$tags[0x0128] = 'TIFFResolutionUnit'; |
|
2648
|
|
|
$tags[0x0131] = 'TIFFSoftware'; |
|
2649
|
|
|
$tags[0x0132] = 'TIFFDateTime'; |
|
2650
|
|
|
$tags[0x013B] = 'TIFFArtist'; |
|
2651
|
|
|
$tags[0x013C] = 'TIFFHostComputer'; |
|
2652
|
|
|
$tags[0x0140] = 'TIFFColorMap'; |
|
2653
|
|
|
$tags[0x0152] = 'TIFFExtraSamples'; |
|
2654
|
|
|
$tags[0x0201] = 'TIFFJFIFOffset'; |
|
2655
|
|
|
$tags[0x0202] = 'TIFFJFIFLength'; |
|
2656
|
|
|
$tags[0x0211] = 'TIFFYCbCrCoefficients'; |
|
2657
|
|
|
$tags[0x0212] = 'TIFFYCbCrSubSampling'; |
|
2658
|
|
|
$tags[0x0213] = 'TIFFYCbCrPositioning'; |
|
2659
|
|
|
$tags[0x0214] = 'TIFFReferenceBlackWhite'; |
|
2660
|
|
|
$tags[0x8298] = 'TIFFCopyright'; |
|
2661
|
|
|
$tags[0x9286] = 'TIFFUserComment'; |
|
2662
|
|
|
} elseif ($mode == 'exif') { |
|
2663
|
|
|
$tags[0x829A] = 'ExposureTime'; |
|
2664
|
|
|
$tags[0x829D] = 'FNumber'; |
|
2665
|
|
|
$tags[0x8822] = 'ExposureProgram'; |
|
2666
|
|
|
$tags[0x8824] = 'SpectralSensitivity'; |
|
2667
|
|
|
$tags[0x8827] = 'ISOSpeedRatings'; |
|
2668
|
|
|
$tags[0x8828] = 'OECF'; |
|
2669
|
|
|
$tags[0x9000] = 'EXIFVersion'; |
|
2670
|
|
|
$tags[0x9003] = 'DatetimeOriginal'; |
|
2671
|
|
|
$tags[0x9004] = 'DatetimeDigitized'; |
|
2672
|
|
|
$tags[0x9101] = 'ComponentsConfiguration'; |
|
2673
|
|
|
$tags[0x9102] = 'CompressedBitsPerPixel'; |
|
2674
|
|
|
$tags[0x9201] = 'ShutterSpeedValue'; |
|
2675
|
|
|
$tags[0x9202] = 'ApertureValue'; |
|
2676
|
|
|
$tags[0x9203] = 'BrightnessValue'; |
|
2677
|
|
|
$tags[0x9204] = 'ExposureBiasValue'; |
|
2678
|
|
|
$tags[0x9205] = 'MaxApertureValue'; |
|
2679
|
|
|
$tags[0x9206] = 'SubjectDistance'; |
|
2680
|
|
|
$tags[0x9207] = 'MeteringMode'; |
|
2681
|
|
|
$tags[0x9208] = 'LightSource'; |
|
2682
|
|
|
$tags[0x9209] = 'Flash'; |
|
2683
|
|
|
$tags[0x920A] = 'FocalLength'; |
|
2684
|
|
|
$tags[0x927C] = 'MakerNote'; |
|
2685
|
|
|
$tags[0x9286] = 'UserComment'; |
|
2686
|
|
|
$tags[0x9290] = 'SubSecTime'; |
|
2687
|
|
|
$tags[0x9291] = 'SubSecTimeOriginal'; |
|
2688
|
|
|
$tags[0x9292] = 'SubSecTimeDigitized'; |
|
2689
|
|
|
$tags[0xA000] = 'FlashPixVersion'; |
|
2690
|
|
|
$tags[0xA001] = 'ColorSpace'; |
|
2691
|
|
|
$tags[0xA002] = 'PixelXDimension'; |
|
2692
|
|
|
$tags[0xA003] = 'PixelYDimension'; |
|
2693
|
|
|
$tags[0xA004] = 'RelatedSoundFile'; |
|
2694
|
|
|
$tags[0xA005] = 'InteropIFDOffset'; |
|
2695
|
|
|
$tags[0xA20B] = 'FlashEnergy'; |
|
2696
|
|
|
$tags[0xA20C] = 'SpatialFrequencyResponse'; |
|
2697
|
|
|
$tags[0xA20E] = 'FocalPlaneXResolution'; |
|
2698
|
|
|
$tags[0xA20F] = 'FocalPlaneYResolution'; |
|
2699
|
|
|
$tags[0xA210] = 'FocalPlaneResolutionUnit'; |
|
2700
|
|
|
$tags[0xA214] = 'SubjectLocation'; |
|
2701
|
|
|
$tags[0xA215] = 'ExposureIndex'; |
|
2702
|
|
|
$tags[0xA217] = 'SensingMethod'; |
|
2703
|
|
|
$tags[0xA300] = 'FileSource'; |
|
2704
|
|
|
$tags[0xA301] = 'SceneType'; |
|
2705
|
|
|
$tags[0xA302] = 'CFAPattern'; |
|
2706
|
|
|
} elseif ($mode == 'interop') { |
|
2707
|
|
|
$tags[0x0001] = 'InteroperabilityIndex'; |
|
2708
|
|
|
$tags[0x0002] = 'InteroperabilityVersion'; |
|
2709
|
|
|
$tags[0x1000] = 'RelatedImageFileFormat'; |
|
2710
|
|
|
$tags[0x1001] = 'RelatedImageWidth'; |
|
2711
|
|
|
$tags[0x1002] = 'RelatedImageLength'; |
|
2712
|
|
|
} elseif ($mode == 'gps') { |
|
2713
|
|
|
$tags[0x0000] = 'GPSVersionID'; |
|
2714
|
|
|
$tags[0x0001] = 'GPSLatitudeRef'; |
|
2715
|
|
|
$tags[0x0002] = 'GPSLatitude'; |
|
2716
|
|
|
$tags[0x0003] = 'GPSLongitudeRef'; |
|
2717
|
|
|
$tags[0x0004] = 'GPSLongitude'; |
|
2718
|
|
|
$tags[0x0005] = 'GPSAltitudeRef'; |
|
2719
|
|
|
$tags[0x0006] = 'GPSAltitude'; |
|
2720
|
|
|
$tags[0x0007] = 'GPSTimeStamp'; |
|
2721
|
|
|
$tags[0x0008] = 'GPSSatellites'; |
|
2722
|
|
|
$tags[0x0009] = 'GPSStatus'; |
|
2723
|
|
|
$tags[0x000A] = 'GPSMeasureMode'; |
|
2724
|
|
|
$tags[0x000B] = 'GPSDOP'; |
|
2725
|
|
|
$tags[0x000C] = 'GPSSpeedRef'; |
|
2726
|
|
|
$tags[0x000D] = 'GPSSpeed'; |
|
2727
|
|
|
$tags[0x000E] = 'GPSTrackRef'; |
|
2728
|
|
|
$tags[0x000F] = 'GPSTrack'; |
|
2729
|
|
|
$tags[0x0010] = 'GPSImgDirectionRef'; |
|
2730
|
|
|
$tags[0x0011] = 'GPSImgDirection'; |
|
2731
|
|
|
$tags[0x0012] = 'GPSMapDatum'; |
|
2732
|
|
|
$tags[0x0013] = 'GPSDestLatitudeRef'; |
|
2733
|
|
|
$tags[0x0014] = 'GPSDestLatitude'; |
|
2734
|
|
|
$tags[0x0015] = 'GPSDestLongitudeRef'; |
|
2735
|
|
|
$tags[0x0016] = 'GPSDestLongitude'; |
|
2736
|
|
|
$tags[0x0017] = 'GPSDestBearingRef'; |
|
2737
|
|
|
$tags[0x0018] = 'GPSDestBearing'; |
|
2738
|
|
|
$tags[0x0019] = 'GPSDestDistanceRef'; |
|
2739
|
|
|
$tags[0x001A] = 'GPSDestDistance'; |
|
2740
|
|
|
} |
|
2741
|
|
|
|
|
2742
|
|
|
return $tags; |
|
2743
|
|
|
} |
|
2744
|
|
|
|
|
2745
|
|
|
/*************************************************************/ |
|
2746
|
|
|
function _exifTagTypes($mode) { |
|
|
|
|
|
|
2747
|
|
|
$tags = array(); |
|
2748
|
|
|
|
|
2749
|
|
|
if ($mode == 'ifd0') { |
|
2750
|
|
|
$tags[0x010E] = array(2, 0); // ImageDescription -> ASCII, Any |
|
2751
|
|
|
$tags[0x010F] = array(2, 0); // Make -> ASCII, Any |
|
2752
|
|
|
$tags[0x0110] = array(2, 0); // Model -> ASCII, Any |
|
2753
|
|
|
$tags[0x0112] = array(3, 1); // Orientation -> SHORT, 1 |
|
2754
|
|
|
$tags[0x011A] = array(5, 1); // XResolution -> RATIONAL, 1 |
|
2755
|
|
|
$tags[0x011B] = array(5, 1); // YResolution -> RATIONAL, 1 |
|
2756
|
|
|
$tags[0x0128] = array(3, 1); // ResolutionUnit -> SHORT |
|
2757
|
|
|
$tags[0x0131] = array(2, 0); // Software -> ASCII, Any |
|
2758
|
|
|
$tags[0x0132] = array(2, 20); // DateTime -> ASCII, 20 |
|
2759
|
|
|
$tags[0x013B] = array(2, 0); // Artist -> ASCII, Any |
|
2760
|
|
|
$tags[0x013E] = array(5, 2); // WhitePoint -> RATIONAL, 2 |
|
2761
|
|
|
$tags[0x013F] = array(5, 6); // PrimaryChromaticities -> RATIONAL, 6 |
|
2762
|
|
|
$tags[0x0211] = array(5, 3); // YCbCrCoefficients -> RATIONAL, 3 |
|
2763
|
|
|
$tags[0x0212] = array(3, 2); // YCbCrSubSampling -> SHORT, 2 |
|
2764
|
|
|
$tags[0x0213] = array(3, 1); // YCbCrPositioning -> SHORT, 1 |
|
2765
|
|
|
$tags[0x0214] = array(5, 6); // ReferenceBlackWhite -> RATIONAL, 6 |
|
2766
|
|
|
$tags[0x8298] = array(2, 0); // Copyright -> ASCII, Any |
|
2767
|
|
|
$tags[0x8769] = array(4, 1); // ExifIFDOffset -> LONG, 1 |
|
2768
|
|
|
$tags[0x8825] = array(4, 1); // GPSIFDOffset -> LONG, 1 |
|
2769
|
|
|
} |
|
2770
|
|
|
if ($mode == 'ifd1') { |
|
2771
|
|
|
$tags[0x00FE] = array(4, 1); // TIFFNewSubfileType -> LONG, 1 |
|
2772
|
|
|
$tags[0x00FF] = array(3, 1); // TIFFSubfileType -> SHORT, 1 |
|
2773
|
|
|
$tags[0x0100] = array(4, 1); // TIFFImageWidth -> LONG (or SHORT), 1 |
|
2774
|
|
|
$tags[0x0101] = array(4, 1); // TIFFImageHeight -> LONG (or SHORT), 1 |
|
2775
|
|
|
$tags[0x0102] = array(3, 3); // TIFFBitsPerSample -> SHORT, 3 |
|
2776
|
|
|
$tags[0x0103] = array(3, 1); // TIFFCompression -> SHORT, 1 |
|
2777
|
|
|
$tags[0x0106] = array(3, 1); // TIFFPhotometricInterpretation -> SHORT, 1 |
|
2778
|
|
|
$tags[0x0107] = array(3, 1); // TIFFThreshholding -> SHORT, 1 |
|
2779
|
|
|
$tags[0x0108] = array(3, 1); // TIFFCellWidth -> SHORT, 1 |
|
2780
|
|
|
$tags[0x0109] = array(3, 1); // TIFFCellLength -> SHORT, 1 |
|
2781
|
|
|
$tags[0x010A] = array(3, 1); // TIFFFillOrder -> SHORT, 1 |
|
2782
|
|
|
$tags[0x010E] = array(2, 0); // TIFFImageDescription -> ASCII, Any |
|
2783
|
|
|
$tags[0x010F] = array(2, 0); // TIFFMake -> ASCII, Any |
|
2784
|
|
|
$tags[0x0110] = array(2, 0); // TIFFModel -> ASCII, Any |
|
2785
|
|
|
$tags[0x0111] = array(4, 0); // TIFFStripOffsets -> LONG (or SHORT), Any (one per strip) |
|
2786
|
|
|
$tags[0x0112] = array(3, 1); // TIFFOrientation -> SHORT, 1 |
|
2787
|
|
|
$tags[0x0115] = array(3, 1); // TIFFSamplesPerPixel -> SHORT, 1 |
|
2788
|
|
|
$tags[0x0116] = array(4, 1); // TIFFRowsPerStrip -> LONG (or SHORT), 1 |
|
2789
|
|
|
$tags[0x0117] = array(4, 0); // TIFFStripByteCounts -> LONG (or SHORT), Any (one per strip) |
|
2790
|
|
|
$tags[0x0118] = array(3, 0); // TIFFMinSampleValue -> SHORT, Any (SamplesPerPixel) |
|
2791
|
|
|
$tags[0x0119] = array(3, 0); // TIFFMaxSampleValue -> SHORT, Any (SamplesPerPixel) |
|
2792
|
|
|
$tags[0x011A] = array(5, 1); // TIFFXResolution -> RATIONAL, 1 |
|
2793
|
|
|
$tags[0x011B] = array(5, 1); // TIFFYResolution -> RATIONAL, 1 |
|
2794
|
|
|
$tags[0x011C] = array(3, 1); // TIFFPlanarConfiguration -> SHORT, 1 |
|
2795
|
|
|
$tags[0x0122] = array(3, 1); // TIFFGrayResponseUnit -> SHORT, 1 |
|
2796
|
|
|
$tags[0x0123] = array(3, 0); // TIFFGrayResponseCurve -> SHORT, Any (2^BitsPerSample) |
|
2797
|
|
|
$tags[0x0128] = array(3, 1); // TIFFResolutionUnit -> SHORT, 1 |
|
2798
|
|
|
$tags[0x0131] = array(2, 0); // TIFFSoftware -> ASCII, Any |
|
2799
|
|
|
$tags[0x0132] = array(2, 20); // TIFFDateTime -> ASCII, 20 |
|
2800
|
|
|
$tags[0x013B] = array(2, 0); // TIFFArtist -> ASCII, Any |
|
2801
|
|
|
$tags[0x013C] = array(2, 0); // TIFFHostComputer -> ASCII, Any |
|
2802
|
|
|
$tags[0x0140] = array(3, 0); // TIFFColorMap -> SHORT, Any (3 * 2^BitsPerSample) |
|
2803
|
|
|
$tags[0x0152] = array(3, 0); // TIFFExtraSamples -> SHORT, Any (SamplesPerPixel - 3) |
|
2804
|
|
|
$tags[0x0201] = array(4, 1); // TIFFJFIFOffset -> LONG, 1 |
|
2805
|
|
|
$tags[0x0202] = array(4, 1); // TIFFJFIFLength -> LONG, 1 |
|
2806
|
|
|
$tags[0x0211] = array(5, 3); // TIFFYCbCrCoefficients -> RATIONAL, 3 |
|
2807
|
|
|
$tags[0x0212] = array(3, 2); // TIFFYCbCrSubSampling -> SHORT, 2 |
|
2808
|
|
|
$tags[0x0213] = array(3, 1); // TIFFYCbCrPositioning -> SHORT, 1 |
|
2809
|
|
|
$tags[0x0214] = array(5, 6); // TIFFReferenceBlackWhite -> RATIONAL, 6 |
|
2810
|
|
|
$tags[0x8298] = array(2, 0); // TIFFCopyright -> ASCII, Any |
|
2811
|
|
|
$tags[0x9286] = array(2, 0); // TIFFUserComment -> ASCII, Any |
|
2812
|
|
|
} elseif ($mode == 'exif') { |
|
2813
|
|
|
$tags[0x829A] = array(5, 1); // ExposureTime -> RATIONAL, 1 |
|
2814
|
|
|
$tags[0x829D] = array(5, 1); // FNumber -> RATIONAL, 1 |
|
2815
|
|
|
$tags[0x8822] = array(3, 1); // ExposureProgram -> SHORT, 1 |
|
2816
|
|
|
$tags[0x8824] = array(2, 0); // SpectralSensitivity -> ASCII, Any |
|
2817
|
|
|
$tags[0x8827] = array(3, 0); // ISOSpeedRatings -> SHORT, Any |
|
2818
|
|
|
$tags[0x8828] = array(7, 0); // OECF -> UNDEFINED, Any |
|
2819
|
|
|
$tags[0x9000] = array(7, 4); // EXIFVersion -> UNDEFINED, 4 |
|
2820
|
|
|
$tags[0x9003] = array(2, 20); // DatetimeOriginal -> ASCII, 20 |
|
2821
|
|
|
$tags[0x9004] = array(2, 20); // DatetimeDigitized -> ASCII, 20 |
|
2822
|
|
|
$tags[0x9101] = array(7, 4); // ComponentsConfiguration -> UNDEFINED, 4 |
|
2823
|
|
|
$tags[0x9102] = array(5, 1); // CompressedBitsPerPixel -> RATIONAL, 1 |
|
2824
|
|
|
$tags[0x9201] = array(10, 1); // ShutterSpeedValue -> SRATIONAL, 1 |
|
2825
|
|
|
$tags[0x9202] = array(5, 1); // ApertureValue -> RATIONAL, 1 |
|
2826
|
|
|
$tags[0x9203] = array(10, 1); // BrightnessValue -> SRATIONAL, 1 |
|
2827
|
|
|
$tags[0x9204] = array(10, 1); // ExposureBiasValue -> SRATIONAL, 1 |
|
2828
|
|
|
$tags[0x9205] = array(5, 1); // MaxApertureValue -> RATIONAL, 1 |
|
2829
|
|
|
$tags[0x9206] = array(5, 1); // SubjectDistance -> RATIONAL, 1 |
|
2830
|
|
|
$tags[0x9207] = array(3, 1); // MeteringMode -> SHORT, 1 |
|
2831
|
|
|
$tags[0x9208] = array(3, 1); // LightSource -> SHORT, 1 |
|
2832
|
|
|
$tags[0x9209] = array(3, 1); // Flash -> SHORT, 1 |
|
2833
|
|
|
$tags[0x920A] = array(5, 1); // FocalLength -> RATIONAL, 1 |
|
2834
|
|
|
$tags[0x927C] = array(7, 0); // MakerNote -> UNDEFINED, Any |
|
2835
|
|
|
$tags[0x9286] = array(7, 0); // UserComment -> UNDEFINED, Any |
|
2836
|
|
|
$tags[0x9290] = array(2, 0); // SubSecTime -> ASCII, Any |
|
2837
|
|
|
$tags[0x9291] = array(2, 0); // SubSecTimeOriginal -> ASCII, Any |
|
2838
|
|
|
$tags[0x9292] = array(2, 0); // SubSecTimeDigitized -> ASCII, Any |
|
2839
|
|
|
$tags[0xA000] = array(7, 4); // FlashPixVersion -> UNDEFINED, 4 |
|
2840
|
|
|
$tags[0xA001] = array(3, 1); // ColorSpace -> SHORT, 1 |
|
2841
|
|
|
$tags[0xA002] = array(4, 1); // PixelXDimension -> LONG (or SHORT), 1 |
|
2842
|
|
|
$tags[0xA003] = array(4, 1); // PixelYDimension -> LONG (or SHORT), 1 |
|
2843
|
|
|
$tags[0xA004] = array(2, 13); // RelatedSoundFile -> ASCII, 13 |
|
2844
|
|
|
$tags[0xA005] = array(4, 1); // InteropIFDOffset -> LONG, 1 |
|
2845
|
|
|
$tags[0xA20B] = array(5, 1); // FlashEnergy -> RATIONAL, 1 |
|
2846
|
|
|
$tags[0xA20C] = array(7, 0); // SpatialFrequencyResponse -> UNDEFINED, Any |
|
2847
|
|
|
$tags[0xA20E] = array(5, 1); // FocalPlaneXResolution -> RATIONAL, 1 |
|
2848
|
|
|
$tags[0xA20F] = array(5, 1); // FocalPlaneYResolution -> RATIONAL, 1 |
|
2849
|
|
|
$tags[0xA210] = array(3, 1); // FocalPlaneResolutionUnit -> SHORT, 1 |
|
2850
|
|
|
$tags[0xA214] = array(3, 2); // SubjectLocation -> SHORT, 2 |
|
2851
|
|
|
$tags[0xA215] = array(5, 1); // ExposureIndex -> RATIONAL, 1 |
|
2852
|
|
|
$tags[0xA217] = array(3, 1); // SensingMethod -> SHORT, 1 |
|
2853
|
|
|
$tags[0xA300] = array(7, 1); // FileSource -> UNDEFINED, 1 |
|
2854
|
|
|
$tags[0xA301] = array(7, 1); // SceneType -> UNDEFINED, 1 |
|
2855
|
|
|
$tags[0xA302] = array(7, 0); // CFAPattern -> UNDEFINED, Any |
|
2856
|
|
|
} elseif ($mode == 'interop') { |
|
2857
|
|
|
$tags[0x0001] = array(2, 0); // InteroperabilityIndex -> ASCII, Any |
|
2858
|
|
|
$tags[0x0002] = array(7, 4); // InteroperabilityVersion -> UNKNOWN, 4 |
|
2859
|
|
|
$tags[0x1000] = array(2, 0); // RelatedImageFileFormat -> ASCII, Any |
|
2860
|
|
|
$tags[0x1001] = array(4, 1); // RelatedImageWidth -> LONG (or SHORT), 1 |
|
2861
|
|
|
$tags[0x1002] = array(4, 1); // RelatedImageLength -> LONG (or SHORT), 1 |
|
2862
|
|
|
} elseif ($mode == 'gps') { |
|
2863
|
|
|
$tags[0x0000] = array(1, 4); // GPSVersionID -> BYTE, 4 |
|
2864
|
|
|
$tags[0x0001] = array(2, 2); // GPSLatitudeRef -> ASCII, 2 |
|
2865
|
|
|
$tags[0x0002] = array(5, 3); // GPSLatitude -> RATIONAL, 3 |
|
2866
|
|
|
$tags[0x0003] = array(2, 2); // GPSLongitudeRef -> ASCII, 2 |
|
2867
|
|
|
$tags[0x0004] = array(5, 3); // GPSLongitude -> RATIONAL, 3 |
|
2868
|
|
|
$tags[0x0005] = array(2, 2); // GPSAltitudeRef -> ASCII, 2 |
|
2869
|
|
|
$tags[0x0006] = array(5, 1); // GPSAltitude -> RATIONAL, 1 |
|
2870
|
|
|
$tags[0x0007] = array(5, 3); // GPSTimeStamp -> RATIONAL, 3 |
|
2871
|
|
|
$tags[0x0008] = array(2, 0); // GPSSatellites -> ASCII, Any |
|
2872
|
|
|
$tags[0x0009] = array(2, 2); // GPSStatus -> ASCII, 2 |
|
2873
|
|
|
$tags[0x000A] = array(2, 2); // GPSMeasureMode -> ASCII, 2 |
|
2874
|
|
|
$tags[0x000B] = array(5, 1); // GPSDOP -> RATIONAL, 1 |
|
2875
|
|
|
$tags[0x000C] = array(2, 2); // GPSSpeedRef -> ASCII, 2 |
|
2876
|
|
|
$tags[0x000D] = array(5, 1); // GPSSpeed -> RATIONAL, 1 |
|
2877
|
|
|
$tags[0x000E] = array(2, 2); // GPSTrackRef -> ASCII, 2 |
|
2878
|
|
|
$tags[0x000F] = array(5, 1); // GPSTrack -> RATIONAL, 1 |
|
2879
|
|
|
$tags[0x0010] = array(2, 2); // GPSImgDirectionRef -> ASCII, 2 |
|
2880
|
|
|
$tags[0x0011] = array(5, 1); // GPSImgDirection -> RATIONAL, 1 |
|
2881
|
|
|
$tags[0x0012] = array(2, 0); // GPSMapDatum -> ASCII, Any |
|
2882
|
|
|
$tags[0x0013] = array(2, 2); // GPSDestLatitudeRef -> ASCII, 2 |
|
2883
|
|
|
$tags[0x0014] = array(5, 3); // GPSDestLatitude -> RATIONAL, 3 |
|
2884
|
|
|
$tags[0x0015] = array(2, 2); // GPSDestLongitudeRef -> ASCII, 2 |
|
2885
|
|
|
$tags[0x0016] = array(5, 3); // GPSDestLongitude -> RATIONAL, 3 |
|
2886
|
|
|
$tags[0x0017] = array(2, 2); // GPSDestBearingRef -> ASCII, 2 |
|
2887
|
|
|
$tags[0x0018] = array(5, 1); // GPSDestBearing -> RATIONAL, 1 |
|
2888
|
|
|
$tags[0x0019] = array(2, 2); // GPSDestDistanceRef -> ASCII, 2 |
|
2889
|
|
|
$tags[0x001A] = array(5, 1); // GPSDestDistance -> RATIONAL, 1 |
|
2890
|
|
|
} |
|
2891
|
|
|
|
|
2892
|
|
|
return $tags; |
|
2893
|
|
|
} |
|
2894
|
|
|
|
|
2895
|
|
|
/*************************************************************/ |
|
2896
|
|
|
function _exifNameTags($mode) { |
|
|
|
|
|
|
2897
|
|
|
$tags = $this->_exifTagNames($mode); |
|
2898
|
|
|
return $this->_names2Tags($tags); |
|
2899
|
|
|
} |
|
2900
|
|
|
|
|
2901
|
|
|
/*************************************************************/ |
|
2902
|
|
|
function _iptcTagNames() { |
|
|
|
|
|
|
2903
|
|
|
$tags = array(); |
|
2904
|
|
|
$tags[0x14] = 'SuplementalCategories'; |
|
2905
|
|
|
$tags[0x19] = 'Keywords'; |
|
2906
|
|
|
$tags[0x78] = 'Caption'; |
|
2907
|
|
|
$tags[0x7A] = 'CaptionWriter'; |
|
2908
|
|
|
$tags[0x69] = 'Headline'; |
|
2909
|
|
|
$tags[0x28] = 'SpecialInstructions'; |
|
2910
|
|
|
$tags[0x0F] = 'Category'; |
|
2911
|
|
|
$tags[0x50] = 'Byline'; |
|
2912
|
|
|
$tags[0x55] = 'BylineTitle'; |
|
2913
|
|
|
$tags[0x6E] = 'Credit'; |
|
2914
|
|
|
$tags[0x73] = 'Source'; |
|
2915
|
|
|
$tags[0x74] = 'CopyrightNotice'; |
|
2916
|
|
|
$tags[0x05] = 'ObjectName'; |
|
2917
|
|
|
$tags[0x5A] = 'City'; |
|
2918
|
|
|
$tags[0x5C] = 'Sublocation'; |
|
2919
|
|
|
$tags[0x5F] = 'ProvinceState'; |
|
2920
|
|
|
$tags[0x65] = 'CountryName'; |
|
2921
|
|
|
$tags[0x67] = 'OriginalTransmissionReference'; |
|
2922
|
|
|
$tags[0x37] = 'DateCreated'; |
|
2923
|
|
|
$tags[0x0A] = 'CopyrightFlag'; |
|
2924
|
|
|
|
|
2925
|
|
|
return $tags; |
|
2926
|
|
|
} |
|
2927
|
|
|
|
|
2928
|
|
|
/*************************************************************/ |
|
2929
|
|
|
function & _iptcNameTags() { |
|
2930
|
|
|
$tags = $this->_iptcTagNames(); |
|
2931
|
|
|
return $this->_names2Tags($tags); |
|
2932
|
|
|
} |
|
2933
|
|
|
|
|
2934
|
|
|
/*************************************************************/ |
|
2935
|
|
|
function _names2Tags($tags2Names) { |
|
|
|
|
|
|
2936
|
|
|
$names2Tags = array(); |
|
2937
|
|
|
reset($tags2Names); |
|
2938
|
|
|
while (list($tag, $name) = each($tags2Names)) { |
|
2939
|
|
|
$names2Tags[$name] = $tag; |
|
2940
|
|
|
} |
|
2941
|
|
|
|
|
2942
|
|
|
return $names2Tags; |
|
2943
|
|
|
} |
|
2944
|
|
|
|
|
2945
|
|
|
/*************************************************************/ |
|
2946
|
|
|
|
|
2947
|
|
|
/** |
|
2948
|
|
|
* @param integer $pos |
|
2949
|
|
|
*/ |
|
2950
|
|
|
function _getByte(&$data, $pos) { |
|
|
|
|
|
|
2951
|
|
|
return ord($data{$pos}); |
|
2952
|
|
|
} |
|
2953
|
|
|
|
|
2954
|
|
|
/*************************************************************/ |
|
2955
|
|
|
|
|
2956
|
|
|
/** |
|
2957
|
|
|
* @param integer $pos |
|
2958
|
|
|
*/ |
|
2959
|
|
|
function _putByte(&$data, $pos, $val) { |
|
|
|
|
|
|
2960
|
|
|
$val = intval($val); |
|
2961
|
|
|
|
|
2962
|
|
|
$data{$pos} = chr($val); |
|
2963
|
|
|
|
|
2964
|
|
|
return $pos + 1; |
|
2965
|
|
|
} |
|
2966
|
|
|
|
|
2967
|
|
|
/*************************************************************/ |
|
2968
|
|
|
function _getShort(&$data, $pos, $bigEndian = true) { |
|
|
|
|
|
|
2969
|
|
|
if ($bigEndian) { |
|
2970
|
|
|
return (ord($data{$pos}) << 8) |
|
2971
|
|
|
+ ord($data{$pos + 1}); |
|
2972
|
|
|
} else { |
|
2973
|
|
|
return ord($data{$pos}) |
|
2974
|
|
|
+ (ord($data{$pos + 1}) << 8); |
|
2975
|
|
|
} |
|
2976
|
|
|
} |
|
2977
|
|
|
|
|
2978
|
|
|
/*************************************************************/ |
|
2979
|
|
|
function _putShort(&$data, $pos = 0, $val = 0, $bigEndian = true) { |
|
|
|
|
|
|
2980
|
|
|
$val = intval($val); |
|
2981
|
|
|
|
|
2982
|
|
|
if ($bigEndian) { |
|
2983
|
|
|
$data{$pos + 0} = chr(($val & 0x0000FF00) >> 8); |
|
2984
|
|
|
$data{$pos + 1} = chr(($val & 0x000000FF) >> 0); |
|
2985
|
|
|
} else { |
|
2986
|
|
|
$data{$pos + 0} = chr(($val & 0x00FF) >> 0); |
|
2987
|
|
|
$data{$pos + 1} = chr(($val & 0xFF00) >> 8); |
|
2988
|
|
|
} |
|
2989
|
|
|
|
|
2990
|
|
|
return $pos + 2; |
|
2991
|
|
|
} |
|
2992
|
|
|
|
|
2993
|
|
|
/*************************************************************/ |
|
2994
|
|
|
|
|
2995
|
|
|
/** |
|
2996
|
|
|
* @param integer $pos |
|
2997
|
|
|
*/ |
|
2998
|
|
|
function _getLong(&$data, $pos, $bigEndian = true) { |
|
|
|
|
|
|
2999
|
|
|
if ($bigEndian) { |
|
3000
|
|
|
return (ord($data{$pos}) << 24) |
|
3001
|
|
|
+ (ord($data{$pos + 1}) << 16) |
|
3002
|
|
|
+ (ord($data{$pos + 2}) << 8) |
|
3003
|
|
|
+ ord($data{$pos + 3}); |
|
3004
|
|
|
} else { |
|
3005
|
|
|
return ord($data{$pos}) |
|
3006
|
|
|
+ (ord($data{$pos + 1}) << 8) |
|
3007
|
|
|
+ (ord($data{$pos + 2}) << 16) |
|
3008
|
|
|
+ (ord($data{$pos + 3}) << 24); |
|
3009
|
|
|
} |
|
3010
|
|
|
} |
|
3011
|
|
|
|
|
3012
|
|
|
/*************************************************************/ |
|
3013
|
|
|
|
|
3014
|
|
|
/** |
|
3015
|
|
|
* @param integer $pos |
|
3016
|
|
|
*/ |
|
3017
|
|
|
function _putLong(&$data, $pos, $val, $bigEndian = true) { |
|
|
|
|
|
|
3018
|
|
|
$val = intval($val); |
|
3019
|
|
|
|
|
3020
|
|
|
if ($bigEndian) { |
|
3021
|
|
|
$data{$pos + 0} = chr(($val & 0xFF000000) >> 24); |
|
3022
|
|
|
$data{$pos + 1} = chr(($val & 0x00FF0000) >> 16); |
|
3023
|
|
|
$data{$pos + 2} = chr(($val & 0x0000FF00) >> 8); |
|
3024
|
|
|
$data{$pos + 3} = chr(($val & 0x000000FF) >> 0); |
|
3025
|
|
|
} else { |
|
3026
|
|
|
$data{$pos + 0} = chr(($val & 0x000000FF) >> 0); |
|
3027
|
|
|
$data{$pos + 1} = chr(($val & 0x0000FF00) >> 8); |
|
3028
|
|
|
$data{$pos + 2} = chr(($val & 0x00FF0000) >> 16); |
|
3029
|
|
|
$data{$pos + 3} = chr(($val & 0xFF000000) >> 24); |
|
3030
|
|
|
} |
|
3031
|
|
|
|
|
3032
|
|
|
return $pos + 4; |
|
3033
|
|
|
} |
|
3034
|
|
|
|
|
3035
|
|
|
/*************************************************************/ |
|
3036
|
|
|
function & _getNullString(&$data, $pos) { |
|
3037
|
|
|
$str = ''; |
|
3038
|
|
|
$max = strlen($data); |
|
3039
|
|
|
|
|
3040
|
|
|
while ($pos < $max) { |
|
3041
|
|
|
if (ord($data{$pos}) == 0) { |
|
3042
|
|
|
return $str; |
|
3043
|
|
|
} else { |
|
3044
|
|
|
$str .= $data{$pos}; |
|
3045
|
|
|
} |
|
3046
|
|
|
$pos++; |
|
3047
|
|
|
} |
|
3048
|
|
|
|
|
3049
|
|
|
return $str; |
|
3050
|
|
|
} |
|
3051
|
|
|
|
|
3052
|
|
|
/*************************************************************/ |
|
3053
|
|
|
function & _getFixedString(&$data, $pos, $length = -1) { |
|
3054
|
|
|
if ($length == -1) { |
|
3055
|
|
|
$length = strlen($data) - $pos; |
|
3056
|
|
|
} |
|
3057
|
|
|
|
|
3058
|
|
|
$rv = substr($data, $pos, $length); |
|
3059
|
|
|
return $rv; |
|
3060
|
|
|
} |
|
3061
|
|
|
|
|
3062
|
|
|
/*************************************************************/ |
|
3063
|
|
|
function _putString(&$data, $pos, &$str) { |
|
|
|
|
|
|
3064
|
|
|
$len = strlen($str); |
|
3065
|
|
|
for ($i = 0; $i < $len; $i++) { |
|
3066
|
|
|
$data{$pos + $i} = $str{$i}; |
|
3067
|
|
|
} |
|
3068
|
|
|
|
|
3069
|
|
|
return $pos + $len; |
|
3070
|
|
|
} |
|
3071
|
|
|
|
|
3072
|
|
|
/*************************************************************/ |
|
3073
|
|
|
function _hexDump(&$data, $start = 0, $length = -1) { |
|
|
|
|
|
|
3074
|
|
|
if (($length == -1) || (($length + $start) > strlen($data))) { |
|
3075
|
|
|
$end = strlen($data); |
|
3076
|
|
|
} else { |
|
3077
|
|
|
$end = $start + $length; |
|
3078
|
|
|
} |
|
3079
|
|
|
|
|
3080
|
|
|
$ascii = ''; |
|
3081
|
|
|
$count = 0; |
|
3082
|
|
|
|
|
3083
|
|
|
echo "<tt>\n"; |
|
3084
|
|
|
|
|
3085
|
|
|
while ($start < $end) { |
|
3086
|
|
|
if (($count % 16) == 0) { |
|
3087
|
|
|
echo sprintf('%04d', $count) . ': '; |
|
3088
|
|
|
} |
|
3089
|
|
|
|
|
3090
|
|
|
$c = ord($data{$start}); |
|
3091
|
|
|
$count++; |
|
3092
|
|
|
$start++; |
|
3093
|
|
|
|
|
3094
|
|
|
$aux = dechex($c); |
|
3095
|
|
|
if (strlen($aux) == 1) |
|
3096
|
|
|
echo '0'; |
|
3097
|
|
|
echo $aux . ' '; |
|
3098
|
|
|
|
|
3099
|
|
|
if ($c == 60) |
|
3100
|
|
|
$ascii .= '<'; |
|
3101
|
|
|
elseif ($c == 62) |
|
3102
|
|
|
$ascii .= '>'; |
|
3103
|
|
|
elseif ($c == 32) |
|
3104
|
|
|
$ascii .= ' '; |
|
3105
|
|
|
elseif ($c > 32) |
|
3106
|
|
|
$ascii .= chr($c); |
|
3107
|
|
|
else |
|
3108
|
|
|
$ascii .= '.'; |
|
3109
|
|
|
|
|
3110
|
|
|
if (($count % 4) == 0) { |
|
3111
|
|
|
echo ' - '; |
|
3112
|
|
|
} |
|
3113
|
|
|
|
|
3114
|
|
|
if (($count % 16) == 0) { |
|
3115
|
|
|
echo ': ' . $ascii . "<br>\n"; |
|
3116
|
|
|
$ascii = ''; |
|
3117
|
|
|
} |
|
3118
|
|
|
} |
|
3119
|
|
|
|
|
3120
|
|
|
if ($ascii != '') { |
|
3121
|
|
|
while (($count % 16) != 0) { |
|
3122
|
|
|
echo '-- '; |
|
3123
|
|
|
$count++; |
|
3124
|
|
|
if (($count % 4) == 0) { |
|
3125
|
|
|
echo ' - '; |
|
3126
|
|
|
} |
|
3127
|
|
|
} |
|
3128
|
|
|
echo ': ' . $ascii . "<br>\n"; |
|
3129
|
|
|
} |
|
3130
|
|
|
|
|
3131
|
|
|
echo "</tt>\n"; |
|
3132
|
|
|
} |
|
3133
|
|
|
|
|
3134
|
|
|
/*****************************************************************/ |
|
3135
|
|
|
} |
|
3136
|
|
|
|
|
3137
|
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4: */ |
|
3138
|
|
|
|
splitbrain /
dokuwiki
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