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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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* @param $fileName |
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*/ |
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function __construct($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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if ($this->_markers == null) { |
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return false; |
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} |
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if (isset($this->_info['exif'][$field])) { |
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return $this->_info['exif'][$field]; |
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} |
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return false; |
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} |
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/** |
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* Return an XMP field |
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* |
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* @author Hakan Sandell <[email protected]> |
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* |
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* @param string $field field name |
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* @return false|string |
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*/ |
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function getXmpField($field) { |
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if (!isset($this->_info['xmp'])) { |
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$this->_parseMarkerXmp(); |
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} |
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333
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if ($this->_markers == null) { |
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return false; |
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} |
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if (isset($this->_info['xmp'][$field])) { |
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return $this->_info['xmp'][$field]; |
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} |
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return false; |
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} |
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/** |
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* Return an Adobe Field |
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* |
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* @author Sebastian Delmont <[email protected]> |
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* |
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* @param string $field field name |
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* @return false|string |
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*/ |
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function getAdobeField($field) { |
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if (!isset($this->_info['adobe'])) { |
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$this->_parseMarkerAdobe(); |
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} |
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if ($this->_markers == null) { |
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return false; |
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} |
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if (isset($this->_info['adobe'][$field])) { |
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return $this->_info['adobe'][$field]; |
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} |
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return false; |
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} |
367
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368
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/** |
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* Return an IPTC field |
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* |
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* @author Sebastian Delmont <[email protected]> |
372
|
|
|
* |
373
|
|
|
* @param string $field field name |
374
|
|
|
* @return false|string |
375
|
|
|
*/ |
376
|
|
|
function getIPTCField($field) { |
|
|
|
|
377
|
|
|
if (!isset($this->_info['iptc'])) { |
378
|
|
|
$this->_parseMarkerAdobe(); |
379
|
|
|
} |
380
|
|
|
|
381
|
|
|
if ($this->_markers == null) { |
382
|
|
|
return false; |
383
|
|
|
} |
384
|
|
|
|
385
|
|
|
if (isset($this->_info['iptc'][$field])) { |
386
|
|
|
return $this->_info['iptc'][$field]; |
387
|
|
|
} |
388
|
|
|
|
389
|
|
|
return false; |
390
|
|
|
} |
391
|
|
|
|
392
|
|
|
/** |
393
|
|
|
* Set an EXIF field |
394
|
|
|
* |
395
|
|
|
* @author Sebastian Delmont <[email protected]> |
396
|
|
|
* @author Joe Lapp <[email protected]> |
397
|
|
|
* |
398
|
|
|
* @param string $field field name |
399
|
|
|
* @param string $value |
400
|
|
|
* @return bool |
401
|
|
|
*/ |
402
|
|
|
function setExifField($field, $value) { |
|
|
|
|
403
|
|
|
if (!isset($this->_info['exif'])) { |
404
|
|
|
$this->_parseMarkerExif(); |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
if ($this->_markers == null) { |
408
|
|
|
return false; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
if ($this->_info['exif'] == false) { |
412
|
|
|
$this->_info['exif'] = array(); |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
// make sure datetimes are in correct format |
416
|
|
|
if(strlen($field) >= 8 && strtolower(substr($field, 0, 8)) == 'datetime') { |
417
|
|
|
if(strlen($value) < 8 || $value[4] != ':' || $value[7] != ':') { |
418
|
|
|
$value = date('Y:m:d H:i:s', strtotime($value)); |
419
|
|
|
} |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
$this->_info['exif'][$field] = $value; |
423
|
|
|
|
424
|
|
|
return true; |
425
|
|
|
} |
426
|
|
|
|
427
|
|
|
/** |
428
|
|
|
* Set an Adobe Field |
429
|
|
|
* |
430
|
|
|
* @author Sebastian Delmont <[email protected]> |
431
|
|
|
* |
432
|
|
|
* @param string $field field name |
433
|
|
|
* @param string $value |
434
|
|
|
* @return bool |
435
|
|
|
*/ |
436
|
|
|
function setAdobeField($field, $value) { |
|
|
|
|
437
|
|
|
if (!isset($this->_info['adobe'])) { |
438
|
|
|
$this->_parseMarkerAdobe(); |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
if ($this->_markers == null) { |
442
|
|
|
return false; |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
if ($this->_info['adobe'] == false) { |
446
|
|
|
$this->_info['adobe'] = array(); |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
$this->_info['adobe'][$field] = $value; |
450
|
|
|
|
451
|
|
|
return true; |
452
|
|
|
} |
453
|
|
|
|
454
|
|
|
/** |
455
|
|
|
* Calculates the multiplier needed to resize the image to the given |
456
|
|
|
* dimensions |
457
|
|
|
* |
458
|
|
|
* @author Andreas Gohr <[email protected]> |
459
|
|
|
* |
460
|
|
|
* @param int $maxwidth |
461
|
|
|
* @param int $maxheight |
462
|
|
|
* @return float|int |
463
|
|
|
*/ |
464
|
|
|
function getResizeRatio($maxwidth,$maxheight=0){ |
|
|
|
|
465
|
|
|
if(!$maxheight) $maxheight = $maxwidth; |
466
|
|
|
|
467
|
|
|
$w = $this->getField('File.Width'); |
468
|
|
|
$h = $this->getField('File.Height'); |
469
|
|
|
|
470
|
|
|
$ratio = 1; |
471
|
|
|
if($w >= $h){ |
472
|
|
|
if($w >= $maxwidth){ |
473
|
|
|
$ratio = $maxwidth/$w; |
474
|
|
|
}elseif($h > $maxheight){ |
475
|
|
|
$ratio = $maxheight/$h; |
476
|
|
|
} |
477
|
|
|
}else{ |
478
|
|
|
if($h >= $maxheight){ |
479
|
|
|
$ratio = $maxheight/$h; |
480
|
|
|
}elseif($w > $maxwidth){ |
481
|
|
|
$ratio = $maxwidth/$w; |
482
|
|
|
} |
483
|
|
|
} |
484
|
|
|
return $ratio; |
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
|
488
|
|
|
/** |
489
|
|
|
* Set an IPTC field |
490
|
|
|
* |
491
|
|
|
* @author Sebastian Delmont <[email protected]> |
492
|
|
|
* |
493
|
|
|
* @param string $field field name |
494
|
|
|
* @param string $value |
495
|
|
|
* @return bool |
496
|
|
|
*/ |
497
|
|
|
function setIPTCField($field, $value) { |
|
|
|
|
498
|
|
|
if (!isset($this->_info['iptc'])) { |
499
|
|
|
$this->_parseMarkerAdobe(); |
500
|
|
|
} |
501
|
|
|
|
502
|
|
|
if ($this->_markers == null) { |
503
|
|
|
return false; |
504
|
|
|
} |
505
|
|
|
|
506
|
|
|
if ($this->_info['iptc'] == false) { |
507
|
|
|
$this->_info['iptc'] = array(); |
508
|
|
|
} |
509
|
|
|
|
510
|
|
|
$this->_info['iptc'][$field] = $value; |
511
|
|
|
|
512
|
|
|
return true; |
513
|
|
|
} |
514
|
|
|
|
515
|
|
|
/** |
516
|
|
|
* Delete an EXIF field |
517
|
|
|
* |
518
|
|
|
* @author Sebastian Delmont <[email protected]> |
519
|
|
|
* |
520
|
|
|
* @param string $field field name |
521
|
|
|
* @return bool |
522
|
|
|
*/ |
523
|
|
|
function deleteExifField($field) { |
|
|
|
|
524
|
|
|
if (!isset($this->_info['exif'])) { |
525
|
|
|
$this->_parseMarkerAdobe(); |
526
|
|
|
} |
527
|
|
|
|
528
|
|
|
if ($this->_markers == null) { |
529
|
|
|
return false; |
530
|
|
|
} |
531
|
|
|
|
532
|
|
|
if ($this->_info['exif'] != false) { |
533
|
|
|
unset($this->_info['exif'][$field]); |
534
|
|
|
} |
535
|
|
|
|
536
|
|
|
return true; |
537
|
|
|
} |
538
|
|
|
|
539
|
|
|
/** |
540
|
|
|
* Delete an Adobe field |
541
|
|
|
* |
542
|
|
|
* @author Sebastian Delmont <[email protected]> |
543
|
|
|
* |
544
|
|
|
* @param string $field field name |
545
|
|
|
* @return bool |
546
|
|
|
*/ |
547
|
|
|
function deleteAdobeField($field) { |
|
|
|
|
548
|
|
|
if (!isset($this->_info['adobe'])) { |
549
|
|
|
$this->_parseMarkerAdobe(); |
550
|
|
|
} |
551
|
|
|
|
552
|
|
|
if ($this->_markers == null) { |
553
|
|
|
return false; |
554
|
|
|
} |
555
|
|
|
|
556
|
|
|
if ($this->_info['adobe'] != false) { |
557
|
|
|
unset($this->_info['adobe'][$field]); |
558
|
|
|
} |
559
|
|
|
|
560
|
|
|
return true; |
561
|
|
|
} |
562
|
|
|
|
563
|
|
|
/** |
564
|
|
|
* Delete an IPTC field |
565
|
|
|
* |
566
|
|
|
* @author Sebastian Delmont <[email protected]> |
567
|
|
|
* |
568
|
|
|
* @param string $field field name |
569
|
|
|
* @return bool |
570
|
|
|
*/ |
571
|
|
|
function deleteIPTCField($field) { |
|
|
|
|
572
|
|
|
if (!isset($this->_info['iptc'])) { |
573
|
|
|
$this->_parseMarkerAdobe(); |
574
|
|
|
} |
575
|
|
|
|
576
|
|
|
if ($this->_markers == null) { |
577
|
|
|
return false; |
578
|
|
|
} |
579
|
|
|
|
580
|
|
|
if ($this->_info['iptc'] != false) { |
581
|
|
|
unset($this->_info['iptc'][$field]); |
582
|
|
|
} |
583
|
|
|
|
584
|
|
|
return true; |
585
|
|
|
} |
586
|
|
|
|
587
|
|
|
/** |
588
|
|
|
* Get the image's title, tries various fields |
589
|
|
|
* |
590
|
|
|
* @param int $max maximum number chars (keeps words) |
591
|
|
|
* @return false|string |
592
|
|
|
* |
593
|
|
|
* @author Andreas Gohr <[email protected]> |
594
|
|
|
*/ |
595
|
|
|
function getTitle($max=80){ |
|
|
|
|
596
|
|
|
// try various fields |
597
|
|
|
$cap = $this->getField(array('Iptc.Headline', |
598
|
|
|
'Iptc.Caption', |
599
|
|
|
'Xmp.dc:title', |
600
|
|
|
'Exif.UserComment', |
601
|
|
|
'Exif.TIFFUserComment', |
602
|
|
|
'Exif.TIFFImageDescription', |
603
|
|
|
'File.Name')); |
604
|
|
|
if (empty($cap)) return false; |
605
|
|
|
|
606
|
|
|
if(!$max) return $cap; |
607
|
|
|
// Shorten to 80 chars (keeping words) |
608
|
|
|
$new = preg_replace('/\n.+$/','',wordwrap($cap, $max)); |
609
|
|
|
if($new != $cap) $new .= '...'; |
610
|
|
|
|
611
|
|
|
return $new; |
612
|
|
|
} |
613
|
|
|
|
614
|
|
|
/** |
615
|
|
|
* Gather various date fields |
616
|
|
|
* |
617
|
|
|
* @author Sebastian Delmont <[email protected]> |
618
|
|
|
* |
619
|
|
|
* @return array|bool |
620
|
|
|
*/ |
621
|
|
|
function getDates() { |
|
|
|
|
622
|
|
|
$this->_parseAll(); |
623
|
|
|
if ($this->_markers == null) { |
624
|
|
|
if (@isset($this->_info['file']['UnixTime'])) { |
625
|
|
|
$dates = array(); |
626
|
|
|
$dates['FileModified'] = $this->_info['file']['UnixTime']; |
627
|
|
|
$dates['Time'] = $this->_info['file']['UnixTime']; |
628
|
|
|
$dates['TimeSource'] = 'FileModified'; |
629
|
|
|
$dates['TimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']); |
630
|
|
|
$dates['EarliestTime'] = $this->_info['file']['UnixTime']; |
631
|
|
|
$dates['EarliestTimeSource'] = 'FileModified'; |
632
|
|
|
$dates['EarliestTimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']); |
633
|
|
|
$dates['LatestTime'] = $this->_info['file']['UnixTime']; |
634
|
|
|
$dates['LatestTimeSource'] = 'FileModified'; |
635
|
|
|
$dates['LatestTimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']); |
636
|
|
|
return $dates; |
637
|
|
|
} |
638
|
|
|
return false; |
639
|
|
|
} |
640
|
|
|
|
641
|
|
|
$dates = array(); |
642
|
|
|
|
643
|
|
|
$latestTime = 0; |
644
|
|
|
$latestTimeSource = ""; |
645
|
|
|
$earliestTime = time(); |
646
|
|
|
$earliestTimeSource = ""; |
647
|
|
|
|
648
|
|
|
if (@isset($this->_info['exif']['DateTime'])) { |
649
|
|
|
$dates['ExifDateTime'] = $this->_info['exif']['DateTime']; |
650
|
|
|
|
651
|
|
|
$aux = $this->_info['exif']['DateTime']; |
652
|
|
|
$aux[4] = "-"; |
653
|
|
|
$aux[7] = "-"; |
654
|
|
|
$t = strtotime($aux); |
655
|
|
|
|
656
|
|
|
if ($t && $t > $latestTime) { |
657
|
|
|
$latestTime = $t; |
658
|
|
|
$latestTimeSource = "ExifDateTime"; |
659
|
|
|
} |
660
|
|
|
|
661
|
|
|
if ($t && $t < $earliestTime) { |
662
|
|
|
$earliestTime = $t; |
663
|
|
|
$earliestTimeSource = "ExifDateTime"; |
664
|
|
|
} |
665
|
|
|
} |
666
|
|
|
|
667
|
|
|
if (@isset($this->_info['exif']['DateTimeOriginal'])) { |
668
|
|
|
$dates['ExifDateTimeOriginal'] = $this->_info['exif']['DateTime']; |
669
|
|
|
|
670
|
|
|
$aux = $this->_info['exif']['DateTimeOriginal']; |
671
|
|
|
$aux[4] = "-"; |
672
|
|
|
$aux[7] = "-"; |
673
|
|
|
$t = strtotime($aux); |
674
|
|
|
|
675
|
|
|
if ($t && $t > $latestTime) { |
676
|
|
|
$latestTime = $t; |
677
|
|
|
$latestTimeSource = "ExifDateTimeOriginal"; |
678
|
|
|
} |
679
|
|
|
|
680
|
|
|
if ($t && $t < $earliestTime) { |
681
|
|
|
$earliestTime = $t; |
682
|
|
|
$earliestTimeSource = "ExifDateTimeOriginal"; |
683
|
|
|
} |
684
|
|
|
} |
685
|
|
|
|
686
|
|
|
if (@isset($this->_info['exif']['DateTimeDigitized'])) { |
687
|
|
|
$dates['ExifDateTimeDigitized'] = $this->_info['exif']['DateTime']; |
688
|
|
|
|
689
|
|
|
$aux = $this->_info['exif']['DateTimeDigitized']; |
690
|
|
|
$aux[4] = "-"; |
691
|
|
|
$aux[7] = "-"; |
692
|
|
|
$t = strtotime($aux); |
693
|
|
|
|
694
|
|
|
if ($t && $t > $latestTime) { |
695
|
|
|
$latestTime = $t; |
696
|
|
|
$latestTimeSource = "ExifDateTimeDigitized"; |
697
|
|
|
} |
698
|
|
|
|
699
|
|
|
if ($t && $t < $earliestTime) { |
700
|
|
|
$earliestTime = $t; |
701
|
|
|
$earliestTimeSource = "ExifDateTimeDigitized"; |
702
|
|
|
} |
703
|
|
|
} |
704
|
|
|
|
705
|
|
|
if (@isset($this->_info['iptc']['DateCreated'])) { |
706
|
|
|
$dates['IPTCDateCreated'] = $this->_info['iptc']['DateCreated']; |
707
|
|
|
|
708
|
|
|
$aux = $this->_info['iptc']['DateCreated']; |
709
|
|
|
$aux = substr($aux, 0, 4) . "-" . substr($aux, 4, 2) . "-" . substr($aux, 6, 2); |
710
|
|
|
$t = strtotime($aux); |
711
|
|
|
|
712
|
|
|
if ($t && $t > $latestTime) { |
713
|
|
|
$latestTime = $t; |
714
|
|
|
$latestTimeSource = "IPTCDateCreated"; |
715
|
|
|
} |
716
|
|
|
|
717
|
|
|
if ($t && $t < $earliestTime) { |
718
|
|
|
$earliestTime = $t; |
719
|
|
|
$earliestTimeSource = "IPTCDateCreated"; |
720
|
|
|
} |
721
|
|
|
} |
722
|
|
|
|
723
|
|
|
if (@isset($this->_info['file']['UnixTime'])) { |
724
|
|
|
$dates['FileModified'] = $this->_info['file']['UnixTime']; |
725
|
|
|
|
726
|
|
|
$t = $this->_info['file']['UnixTime']; |
727
|
|
|
|
728
|
|
|
if ($t && $t > $latestTime) { |
729
|
|
|
$latestTime = $t; |
730
|
|
|
$latestTimeSource = "FileModified"; |
731
|
|
|
} |
732
|
|
|
|
733
|
|
|
if ($t && $t < $earliestTime) { |
734
|
|
|
$earliestTime = $t; |
735
|
|
|
$earliestTimeSource = "FileModified"; |
736
|
|
|
} |
737
|
|
|
} |
738
|
|
|
|
739
|
|
|
$dates['Time'] = $earliestTime; |
740
|
|
|
$dates['TimeSource'] = $earliestTimeSource; |
741
|
|
|
$dates['TimeStr'] = date("Y-m-d H:i:s", $earliestTime); |
742
|
|
|
$dates['EarliestTime'] = $earliestTime; |
743
|
|
|
$dates['EarliestTimeSource'] = $earliestTimeSource; |
744
|
|
|
$dates['EarliestTimeStr'] = date("Y-m-d H:i:s", $earliestTime); |
745
|
|
|
$dates['LatestTime'] = $latestTime; |
746
|
|
|
$dates['LatestTimeSource'] = $latestTimeSource; |
747
|
|
|
$dates['LatestTimeStr'] = date("Y-m-d H:i:s", $latestTime); |
748
|
|
|
|
749
|
|
|
return $dates; |
750
|
|
|
} |
751
|
|
|
|
752
|
|
|
/** |
753
|
|
|
* Get the image width, tries various fields |
754
|
|
|
* |
755
|
|
|
* @author Sebastian Delmont <[email protected]> |
756
|
|
|
* |
757
|
|
|
* @return false|string |
758
|
|
|
*/ |
759
|
|
|
function getWidth() { |
|
|
|
|
760
|
|
|
if (!isset($this->_info['sof'])) { |
761
|
|
|
$this->_parseMarkerSOF(); |
762
|
|
|
} |
763
|
|
|
|
764
|
|
|
if ($this->_markers == null) { |
765
|
|
|
return false; |
766
|
|
|
} |
767
|
|
|
|
768
|
|
|
if (isset($this->_info['sof']['ImageWidth'])) { |
769
|
|
|
return $this->_info['sof']['ImageWidth']; |
770
|
|
|
} |
771
|
|
|
|
772
|
|
|
if (!isset($this->_info['exif'])) { |
773
|
|
|
$this->_parseMarkerExif(); |
774
|
|
|
} |
775
|
|
|
|
776
|
|
|
if (isset($this->_info['exif']['PixelXDimension'])) { |
777
|
|
|
return $this->_info['exif']['PixelXDimension']; |
778
|
|
|
} |
779
|
|
|
|
780
|
|
|
return false; |
781
|
|
|
} |
782
|
|
|
|
783
|
|
|
/** |
784
|
|
|
* Get the image height, tries various fields |
785
|
|
|
* |
786
|
|
|
* @author Sebastian Delmont <[email protected]> |
787
|
|
|
* |
788
|
|
|
* @return false|string |
789
|
|
|
*/ |
790
|
|
|
function getHeight() { |
|
|
|
|
791
|
|
|
if (!isset($this->_info['sof'])) { |
792
|
|
|
$this->_parseMarkerSOF(); |
793
|
|
|
} |
794
|
|
|
|
795
|
|
|
if ($this->_markers == null) { |
796
|
|
|
return false; |
797
|
|
|
} |
798
|
|
|
|
799
|
|
|
if (isset($this->_info['sof']['ImageHeight'])) { |
800
|
|
|
return $this->_info['sof']['ImageHeight']; |
801
|
|
|
} |
802
|
|
|
|
803
|
|
|
if (!isset($this->_info['exif'])) { |
804
|
|
|
$this->_parseMarkerExif(); |
805
|
|
|
} |
806
|
|
|
|
807
|
|
|
if (isset($this->_info['exif']['PixelYDimension'])) { |
808
|
|
|
return $this->_info['exif']['PixelYDimension']; |
809
|
|
|
} |
810
|
|
|
|
811
|
|
|
return false; |
812
|
|
|
} |
813
|
|
|
|
814
|
|
|
/** |
815
|
|
|
* Get an dimension string for use in img tag |
816
|
|
|
* |
817
|
|
|
* @author Sebastian Delmont <[email protected]> |
818
|
|
|
* |
819
|
|
|
* @return false|string |
820
|
|
|
*/ |
821
|
|
|
function getDimStr() { |
|
|
|
|
822
|
|
|
if ($this->_markers == null) { |
823
|
|
|
return false; |
824
|
|
|
} |
825
|
|
|
|
826
|
|
|
$w = $this->getWidth(); |
827
|
|
|
$h = $this->getHeight(); |
828
|
|
|
|
829
|
|
|
return "width='" . $w . "' height='" . $h . "'"; |
830
|
|
|
} |
831
|
|
|
|
832
|
|
|
/** |
833
|
|
|
* Checks for an embedded thumbnail |
834
|
|
|
* |
835
|
|
|
* @author Sebastian Delmont <[email protected]> |
836
|
|
|
* |
837
|
|
|
* @param string $which possible values: 'any', 'exif' or 'adobe' |
838
|
|
|
* @return false|string |
839
|
|
|
*/ |
840
|
|
|
function hasThumbnail($which = 'any') { |
|
|
|
|
841
|
|
|
if (($which == 'any') || ($which == 'exif')) { |
842
|
|
|
if (!isset($this->_info['exif'])) { |
843
|
|
|
$this->_parseMarkerExif(); |
844
|
|
|
} |
845
|
|
|
|
846
|
|
|
if ($this->_markers == null) { |
847
|
|
|
return false; |
848
|
|
|
} |
849
|
|
|
|
850
|
|
|
if (isset($this->_info['exif']) && is_array($this->_info['exif'])) { |
851
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
852
|
|
|
return 'exif'; |
853
|
|
|
} |
854
|
|
|
} |
855
|
|
|
} |
856
|
|
|
|
857
|
|
|
if ($which == 'adobe') { |
858
|
|
|
if (!isset($this->_info['adobe'])) { |
859
|
|
|
$this->_parseMarkerAdobe(); |
860
|
|
|
} |
861
|
|
|
|
862
|
|
|
if ($this->_markers == null) { |
863
|
|
|
return false; |
864
|
|
|
} |
865
|
|
|
|
866
|
|
|
if (isset($this->_info['adobe']) && is_array($this->_info['adobe'])) { |
867
|
|
|
if (isset($this->_info['adobe']['ThumbnailData'])) { |
868
|
|
|
return 'exif'; |
869
|
|
|
} |
870
|
|
|
} |
871
|
|
|
} |
872
|
|
|
|
873
|
|
|
return false; |
874
|
|
|
} |
875
|
|
|
|
876
|
|
|
/** |
877
|
|
|
* Send embedded thumbnail to browser |
878
|
|
|
* |
879
|
|
|
* @author Sebastian Delmont <[email protected]> |
880
|
|
|
* |
881
|
|
|
* @param string $which possible values: 'any', 'exif' or 'adobe' |
882
|
|
|
* @return bool |
883
|
|
|
*/ |
884
|
|
|
function sendThumbnail($which = 'any') { |
|
|
|
|
885
|
|
|
$data = null; |
886
|
|
|
|
887
|
|
|
if (($which == 'any') || ($which == 'exif')) { |
888
|
|
|
if (!isset($this->_info['exif'])) { |
889
|
|
|
$this->_parseMarkerExif(); |
890
|
|
|
} |
891
|
|
|
|
892
|
|
|
if ($this->_markers == null) { |
893
|
|
|
return false; |
894
|
|
|
} |
895
|
|
|
|
896
|
|
|
if (isset($this->_info['exif']) && is_array($this->_info['exif'])) { |
897
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
898
|
|
|
$data =& $this->_info['exif']['JFIFThumbnail']; |
899
|
|
|
} |
900
|
|
|
} |
901
|
|
|
} |
902
|
|
|
|
903
|
|
|
if (($which == 'adobe') || ($data == null)){ |
904
|
|
|
if (!isset($this->_info['adobe'])) { |
905
|
|
|
$this->_parseMarkerAdobe(); |
906
|
|
|
} |
907
|
|
|
|
908
|
|
|
if ($this->_markers == null) { |
909
|
|
|
return false; |
910
|
|
|
} |
911
|
|
|
|
912
|
|
|
if (isset($this->_info['adobe']) && is_array($this->_info['adobe'])) { |
913
|
|
|
if (isset($this->_info['adobe']['ThumbnailData'])) { |
914
|
|
|
$data =& $this->_info['adobe']['ThumbnailData']; |
915
|
|
|
} |
916
|
|
|
} |
917
|
|
|
} |
918
|
|
|
|
919
|
|
|
if ($data != null) { |
920
|
|
|
header("Content-type: image/jpeg"); |
921
|
|
|
echo $data; |
922
|
|
|
return true; |
923
|
|
|
} |
924
|
|
|
|
925
|
|
|
return false; |
926
|
|
|
} |
927
|
|
|
|
928
|
|
|
/** |
929
|
|
|
* Save changed Metadata |
930
|
|
|
* |
931
|
|
|
* @author Sebastian Delmont <[email protected]> |
932
|
|
|
* @author Andreas Gohr <[email protected]> |
933
|
|
|
* |
934
|
|
|
* @param string $fileName file name or empty string for a random name |
935
|
|
|
* @return bool |
936
|
|
|
*/ |
937
|
|
|
function save($fileName = "") { |
|
|
|
|
938
|
|
|
if ($fileName == "") { |
939
|
|
|
$tmpName = tempnam(dirname($this->_fileName),'_metatemp_'); |
940
|
|
|
$this->_writeJPEG($tmpName); |
941
|
|
|
if (file_exists($tmpName)) { |
942
|
|
|
return io_rename($tmpName, $this->_fileName); |
943
|
|
|
} |
944
|
|
|
} else { |
945
|
|
|
return $this->_writeJPEG($fileName); |
946
|
|
|
} |
947
|
|
|
return false; |
948
|
|
|
} |
949
|
|
|
|
950
|
|
|
/*************************************************************/ |
951
|
|
|
/* PRIVATE FUNCTIONS (Internal Use Only!) */ |
952
|
|
|
/*************************************************************/ |
953
|
|
|
|
954
|
|
|
/*************************************************************/ |
955
|
|
|
function _dispose($fileName = "") { |
|
|
|
|
956
|
|
|
$this->_fileName = $fileName; |
957
|
|
|
|
958
|
|
|
$this->_fp = null; |
959
|
|
|
$this->_type = 'unknown'; |
960
|
|
|
|
961
|
|
|
unset($this->_markers); |
962
|
|
|
unset($this->_info); |
963
|
|
|
} |
964
|
|
|
|
965
|
|
|
/*************************************************************/ |
966
|
|
|
function _readJPEG() { |
|
|
|
|
967
|
|
|
unset($this->_markers); |
968
|
|
|
//unset($this->_info); |
969
|
|
|
$this->_markers = array(); |
970
|
|
|
//$this->_info = array(); |
971
|
|
|
|
972
|
|
|
$this->_fp = @fopen($this->_fileName, 'rb'); |
973
|
|
|
if ($this->_fp) { |
974
|
|
|
if (file_exists($this->_fileName)) { |
975
|
|
|
$this->_type = 'file'; |
976
|
|
|
} |
977
|
|
|
else { |
978
|
|
|
$this->_type = 'url'; |
979
|
|
|
} |
980
|
|
|
} else { |
981
|
|
|
$this->_fp = null; |
982
|
|
|
return false; // ERROR: Can't open file |
983
|
|
|
} |
984
|
|
|
|
985
|
|
|
// Check for the JPEG signature |
986
|
|
|
$c1 = ord(fgetc($this->_fp)); |
987
|
|
|
$c2 = ord(fgetc($this->_fp)); |
988
|
|
|
|
989
|
|
|
if ($c1 != 0xFF || $c2 != 0xD8) { // (0xFF + SOI) |
990
|
|
|
$this->_markers = null; |
991
|
|
|
return false; // ERROR: File is not a JPEG |
992
|
|
|
} |
993
|
|
|
|
994
|
|
|
$count = 0; |
995
|
|
|
|
996
|
|
|
$done = false; |
997
|
|
|
$ok = true; |
998
|
|
|
|
999
|
|
|
while (!$done) { |
1000
|
|
|
$capture = false; |
|
|
|
|
1001
|
|
|
|
1002
|
|
|
// First, skip any non 0xFF bytes |
1003
|
|
|
$discarded = 0; |
1004
|
|
|
$c = ord(fgetc($this->_fp)); |
1005
|
|
|
while (!feof($this->_fp) && ($c != 0xFF)) { |
1006
|
|
|
$discarded++; |
1007
|
|
|
$c = ord(fgetc($this->_fp)); |
1008
|
|
|
} |
1009
|
|
|
// Then skip all 0xFF until the marker byte |
1010
|
|
|
do { |
1011
|
|
|
$marker = ord(fgetc($this->_fp)); |
1012
|
|
|
} while (!feof($this->_fp) && ($marker == 0xFF)); |
1013
|
|
|
|
1014
|
|
|
if (feof($this->_fp)) { |
1015
|
|
|
return false; // ERROR: Unexpected EOF |
1016
|
|
|
} |
1017
|
|
|
if ($discarded != 0) { |
1018
|
|
|
return false; // ERROR: Extraneous data |
1019
|
|
|
} |
1020
|
|
|
|
1021
|
|
|
$length = ord(fgetc($this->_fp)) * 256 + ord(fgetc($this->_fp)); |
1022
|
|
|
if (feof($this->_fp)) { |
1023
|
|
|
return false; // ERROR: Unexpected EOF |
1024
|
|
|
} |
1025
|
|
|
if ($length < 2) { |
1026
|
|
|
return false; // ERROR: Extraneous data |
1027
|
|
|
} |
1028
|
|
|
$length = $length - 2; // The length we got counts itself |
1029
|
|
|
|
1030
|
|
|
switch ($marker) { |
1031
|
|
|
case 0xC0: // SOF0 |
1032
|
|
|
case 0xC1: // SOF1 |
1033
|
|
|
case 0xC2: // SOF2 |
1034
|
|
|
case 0xC9: // SOF9 |
1035
|
|
|
case 0xE0: // APP0: JFIF data |
1036
|
|
|
case 0xE1: // APP1: EXIF or XMP data |
1037
|
|
|
case 0xED: // APP13: IPTC / Photoshop data |
1038
|
|
|
$capture = true; |
1039
|
|
|
break; |
1040
|
|
|
case 0xDA: // SOS: Start of scan... the image itself and the last block on the file |
1041
|
|
|
$capture = false; |
1042
|
|
|
$length = -1; // This field has no length... it includes all data until EOF |
1043
|
|
|
$done = true; |
1044
|
|
|
break; |
1045
|
|
|
default: |
1046
|
|
|
$capture = true;//false; |
1047
|
|
|
break; |
1048
|
|
|
} |
1049
|
|
|
|
1050
|
|
|
$this->_markers[$count] = array(); |
1051
|
|
|
$this->_markers[$count]['marker'] = $marker; |
1052
|
|
|
$this->_markers[$count]['length'] = $length; |
1053
|
|
|
|
1054
|
|
|
if ($capture) { |
1055
|
|
|
if ($length) |
1056
|
|
|
$this->_markers[$count]['data'] = fread($this->_fp, $length); |
1057
|
|
|
else |
1058
|
|
|
$this->_markers[$count]['data'] = ""; |
1059
|
|
|
} |
1060
|
|
|
elseif (!$done) { |
1061
|
|
|
$result = @fseek($this->_fp, $length, SEEK_CUR); |
1062
|
|
|
// fseek doesn't seem to like HTTP 'files', but fgetc has no problem |
1063
|
|
|
if (!($result === 0)) { |
1064
|
|
|
for ($i = 0; $i < $length; $i++) { |
1065
|
|
|
fgetc($this->_fp); |
1066
|
|
|
} |
1067
|
|
|
} |
1068
|
|
|
} |
1069
|
|
|
$count++; |
1070
|
|
|
} |
1071
|
|
|
|
1072
|
|
|
if ($this->_fp) { |
1073
|
|
|
fclose($this->_fp); |
1074
|
|
|
$this->_fp = null; |
1075
|
|
|
} |
1076
|
|
|
|
1077
|
|
|
return $ok; |
1078
|
|
|
} |
1079
|
|
|
|
1080
|
|
|
/*************************************************************/ |
1081
|
|
|
function _parseAll() { |
|
|
|
|
1082
|
|
|
if (!isset($this->_info['file'])) { |
1083
|
|
|
$this->_parseFileInfo(); |
1084
|
|
|
} |
1085
|
|
|
if (!isset($this->_markers)) { |
1086
|
|
|
$this->_readJPEG(); |
1087
|
|
|
} |
1088
|
|
|
|
1089
|
|
|
if ($this->_markers == null) { |
1090
|
|
|
return false; |
1091
|
|
|
} |
1092
|
|
|
|
1093
|
|
|
if (!isset($this->_info['jfif'])) { |
1094
|
|
|
$this->_parseMarkerJFIF(); |
1095
|
|
|
} |
1096
|
|
|
if (!isset($this->_info['jpeg'])) { |
1097
|
|
|
$this->_parseMarkerSOF(); |
1098
|
|
|
} |
1099
|
|
|
if (!isset($this->_info['exif'])) { |
1100
|
|
|
$this->_parseMarkerExif(); |
1101
|
|
|
} |
1102
|
|
|
if (!isset($this->_info['xmp'])) { |
1103
|
|
|
$this->_parseMarkerXmp(); |
1104
|
|
|
} |
1105
|
|
|
if (!isset($this->_info['adobe'])) { |
1106
|
|
|
$this->_parseMarkerAdobe(); |
1107
|
|
|
} |
1108
|
|
|
} |
1109
|
|
|
|
1110
|
|
|
/*************************************************************/ |
1111
|
|
|
|
1112
|
|
|
/** |
1113
|
|
|
* @param string $outputName |
1114
|
|
|
* |
1115
|
|
|
* @return bool |
1116
|
|
|
*/ |
1117
|
|
|
function _writeJPEG($outputName) { |
|
|
|
|
1118
|
|
|
$this->_parseAll(); |
1119
|
|
|
|
1120
|
|
|
$wroteEXIF = false; |
1121
|
|
|
$wroteAdobe = false; |
1122
|
|
|
|
1123
|
|
|
$this->_fp = @fopen($this->_fileName, 'r'); |
1124
|
|
|
if ($this->_fp) { |
1125
|
|
|
if (file_exists($this->_fileName)) { |
1126
|
|
|
$this->_type = 'file'; |
1127
|
|
|
} |
1128
|
|
|
else { |
1129
|
|
|
$this->_type = 'url'; |
1130
|
|
|
} |
1131
|
|
|
} else { |
1132
|
|
|
$this->_fp = null; |
1133
|
|
|
return false; // ERROR: Can't open file |
1134
|
|
|
} |
1135
|
|
|
|
1136
|
|
|
$this->_fpout = fopen($outputName, 'wb'); |
1137
|
|
|
if (!$this->_fpout) { |
1138
|
|
|
$this->_fpout = null; |
1139
|
|
|
fclose($this->_fp); |
1140
|
|
|
$this->_fp = null; |
1141
|
|
|
return false; // ERROR: Can't open output file |
1142
|
|
|
} |
1143
|
|
|
|
1144
|
|
|
// Check for the JPEG signature |
1145
|
|
|
$c1 = ord(fgetc($this->_fp)); |
1146
|
|
|
$c2 = ord(fgetc($this->_fp)); |
1147
|
|
|
|
1148
|
|
|
if ($c1 != 0xFF || $c2 != 0xD8) { // (0xFF + SOI) |
1149
|
|
|
return false; // ERROR: File is not a JPEG |
1150
|
|
|
} |
1151
|
|
|
|
1152
|
|
|
fputs($this->_fpout, chr(0xFF), 1); |
1153
|
|
|
fputs($this->_fpout, chr(0xD8), 1); // (0xFF + SOI) |
1154
|
|
|
|
1155
|
|
|
$count = 0; |
|
|
|
|
1156
|
|
|
|
1157
|
|
|
$done = false; |
1158
|
|
|
$ok = true; |
1159
|
|
|
|
1160
|
|
|
while (!$done) { |
1161
|
|
|
// First, skip any non 0xFF bytes |
1162
|
|
|
$discarded = 0; |
1163
|
|
|
$c = ord(fgetc($this->_fp)); |
1164
|
|
|
while (!feof($this->_fp) && ($c != 0xFF)) { |
1165
|
|
|
$discarded++; |
1166
|
|
|
$c = ord(fgetc($this->_fp)); |
1167
|
|
|
} |
1168
|
|
|
// Then skip all 0xFF until the marker byte |
1169
|
|
|
do { |
1170
|
|
|
$marker = ord(fgetc($this->_fp)); |
1171
|
|
|
} while (!feof($this->_fp) && ($marker == 0xFF)); |
1172
|
|
|
|
1173
|
|
|
if (feof($this->_fp)) { |
1174
|
|
|
$ok = false; |
1175
|
|
|
break; // ERROR: Unexpected EOF |
1176
|
|
|
} |
1177
|
|
|
if ($discarded != 0) { |
1178
|
|
|
$ok = false; |
1179
|
|
|
break; // ERROR: Extraneous data |
1180
|
|
|
} |
1181
|
|
|
|
1182
|
|
|
$length = ord(fgetc($this->_fp)) * 256 + ord(fgetc($this->_fp)); |
1183
|
|
|
if (feof($this->_fp)) { |
1184
|
|
|
$ok = false; |
1185
|
|
|
break; // ERROR: Unexpected EOF |
1186
|
|
|
} |
1187
|
|
|
if ($length < 2) { |
1188
|
|
|
$ok = false; |
1189
|
|
|
break; // ERROR: Extraneous data |
1190
|
|
|
} |
1191
|
|
|
$length = $length - 2; // The length we got counts itself |
1192
|
|
|
|
1193
|
|
|
unset($data); |
1194
|
|
|
if ($marker == 0xE1) { // APP1: EXIF data |
1195
|
|
|
$data =& $this->_createMarkerEXIF(); |
1196
|
|
|
$wroteEXIF = true; |
1197
|
|
|
} |
1198
|
|
|
elseif ($marker == 0xED) { // APP13: IPTC / Photoshop data |
1199
|
|
|
$data =& $this->_createMarkerAdobe(); |
1200
|
|
|
$wroteAdobe = true; |
1201
|
|
|
} |
1202
|
|
|
elseif ($marker == 0xDA) { // SOS: Start of scan... the image itself and the last block on the file |
1203
|
|
|
$done = true; |
1204
|
|
|
} |
1205
|
|
|
|
1206
|
|
|
if (!$wroteEXIF && (($marker < 0xE0) || ($marker > 0xEF))) { |
1207
|
|
|
if (isset($this->_info['exif']) && is_array($this->_info['exif'])) { |
1208
|
|
|
$exif =& $this->_createMarkerEXIF(); |
1209
|
|
|
$this->_writeJPEGMarker(0xE1, strlen($exif), $exif, 0); |
1210
|
|
|
unset($exif); |
1211
|
|
|
} |
1212
|
|
|
$wroteEXIF = true; |
1213
|
|
|
} |
1214
|
|
|
|
1215
|
|
|
if (!$wroteAdobe && (($marker < 0xE0) || ($marker > 0xEF))) { |
1216
|
|
|
if ((isset($this->_info['adobe']) && is_array($this->_info['adobe'])) |
1217
|
|
|
|| (isset($this->_info['iptc']) && is_array($this->_info['iptc']))) { |
1218
|
|
|
$adobe =& $this->_createMarkerAdobe(); |
1219
|
|
|
$this->_writeJPEGMarker(0xED, strlen($adobe), $adobe, 0); |
1220
|
|
|
unset($adobe); |
1221
|
|
|
} |
1222
|
|
|
$wroteAdobe = true; |
1223
|
|
|
} |
1224
|
|
|
|
1225
|
|
|
$origLength = $length; |
1226
|
|
|
if (isset($data)) { |
1227
|
|
|
$length = strlen($data); |
1228
|
|
|
} |
1229
|
|
|
|
1230
|
|
|
if ($marker != -1) { |
1231
|
|
|
$this->_writeJPEGMarker($marker, $length, $data, $origLength); |
1232
|
|
|
} |
1233
|
|
|
} |
1234
|
|
|
|
1235
|
|
|
if ($this->_fp) { |
1236
|
|
|
fclose($this->_fp); |
1237
|
|
|
$this->_fp = null; |
1238
|
|
|
} |
1239
|
|
|
|
1240
|
|
|
if ($this->_fpout) { |
1241
|
|
|
fclose($this->_fpout); |
1242
|
|
|
$this->_fpout = null; |
1243
|
|
|
} |
1244
|
|
|
|
1245
|
|
|
return $ok; |
1246
|
|
|
} |
1247
|
|
|
|
1248
|
|
|
/*************************************************************/ |
1249
|
|
|
|
1250
|
|
|
/** |
1251
|
|
|
* @param integer $marker |
1252
|
|
|
* @param integer $length |
1253
|
|
|
* @param string $data |
1254
|
|
|
* @param integer $origLength |
1255
|
|
|
* |
1256
|
|
|
* @return bool |
1257
|
|
|
*/ |
1258
|
|
|
function _writeJPEGMarker($marker, $length, &$data, $origLength) { |
|
|
|
|
1259
|
|
|
if ($length <= 0) { |
1260
|
|
|
return false; |
1261
|
|
|
} |
1262
|
|
|
|
1263
|
|
|
fputs($this->_fpout, chr(0xFF), 1); |
1264
|
|
|
fputs($this->_fpout, chr($marker), 1); |
1265
|
|
|
fputs($this->_fpout, chr((($length + 2) & 0x0000FF00) >> 8), 1); |
1266
|
|
|
fputs($this->_fpout, chr((($length + 2) & 0x000000FF) >> 0), 1); |
1267
|
|
|
|
1268
|
|
|
if (isset($data)) { |
1269
|
|
|
// Copy the generated data |
1270
|
|
|
fputs($this->_fpout, $data, $length); |
1271
|
|
|
|
1272
|
|
|
if ($origLength > 0) { // Skip the original data |
1273
|
|
|
$result = @fseek($this->_fp, $origLength, SEEK_CUR); |
1274
|
|
|
// fseek doesn't seem to like HTTP 'files', but fgetc has no problem |
1275
|
|
|
if ($result != 0) { |
1276
|
|
|
for ($i = 0; $i < $origLength; $i++) { |
1277
|
|
|
fgetc($this->_fp); |
1278
|
|
|
} |
1279
|
|
|
} |
1280
|
|
|
} |
1281
|
|
|
} else { |
1282
|
|
|
if ($marker == 0xDA) { // Copy until EOF |
1283
|
|
|
while (!feof($this->_fp)) { |
1284
|
|
|
$data = fread($this->_fp, 1024 * 16); |
1285
|
|
|
fputs($this->_fpout, $data, strlen($data)); |
1286
|
|
|
} |
1287
|
|
|
} else { // Copy only $length bytes |
1288
|
|
|
$data = @fread($this->_fp, $length); |
1289
|
|
|
fputs($this->_fpout, $data, $length); |
1290
|
|
|
} |
1291
|
|
|
} |
1292
|
|
|
|
1293
|
|
|
return true; |
1294
|
|
|
} |
1295
|
|
|
|
1296
|
|
|
/** |
1297
|
|
|
* Gets basic info from the file - should work with non-JPEGs |
1298
|
|
|
* |
1299
|
|
|
* @author Sebastian Delmont <[email protected]> |
1300
|
|
|
* @author Andreas Gohr <[email protected]> |
1301
|
|
|
*/ |
1302
|
|
|
function _parseFileInfo() { |
|
|
|
|
1303
|
|
|
if (file_exists($this->_fileName) && is_file($this->_fileName)) { |
1304
|
|
|
$this->_info['file'] = array(); |
1305
|
|
|
$this->_info['file']['Name'] = utf8_decodeFN(\dokuwiki\Utf8\PhpString::basename($this->_fileName)); |
1306
|
|
|
$this->_info['file']['Path'] = fullpath($this->_fileName); |
1307
|
|
|
$this->_info['file']['Size'] = filesize($this->_fileName); |
1308
|
|
|
if ($this->_info['file']['Size'] < 1024) { |
1309
|
|
|
$this->_info['file']['NiceSize'] = $this->_info['file']['Size'] . 'B'; |
1310
|
|
|
} elseif ($this->_info['file']['Size'] < (1024 * 1024)) { |
1311
|
|
|
$this->_info['file']['NiceSize'] = round($this->_info['file']['Size'] / 1024) . 'KB'; |
1312
|
|
|
} elseif ($this->_info['file']['Size'] < (1024 * 1024 * 1024)) { |
1313
|
|
|
$this->_info['file']['NiceSize'] = round($this->_info['file']['Size'] / (1024*1024)) . 'MB'; |
1314
|
|
|
} else { |
1315
|
|
|
$this->_info['file']['NiceSize'] = $this->_info['file']['Size'] . 'B'; |
1316
|
|
|
} |
1317
|
|
|
$this->_info['file']['UnixTime'] = filemtime($this->_fileName); |
1318
|
|
|
|
1319
|
|
|
// get image size directly from file |
1320
|
|
|
if ($size = getimagesize($this->_fileName)) { |
1321
|
|
|
$this->_info['file']['Width'] = $size[0]; |
1322
|
|
|
$this->_info['file']['Height'] = $size[1]; |
1323
|
|
|
|
1324
|
|
|
// set mime types and formats |
1325
|
|
|
// http://php.net/manual/en/function.getimagesize.php |
1326
|
|
|
// http://php.net/manual/en/function.image-type-to-mime-type.php |
1327
|
|
|
switch ($size[2]) { |
1328
|
|
|
case 1: |
1329
|
|
|
$this->_info['file']['Mime'] = 'image/gif'; |
1330
|
|
|
$this->_info['file']['Format'] = 'GIF'; |
1331
|
|
|
break; |
1332
|
|
|
case 2: |
1333
|
|
|
$this->_info['file']['Mime'] = 'image/jpeg'; |
1334
|
|
|
$this->_info['file']['Format'] = 'JPEG'; |
1335
|
|
|
break; |
1336
|
|
|
case 3: |
1337
|
|
|
$this->_info['file']['Mime'] = 'image/png'; |
1338
|
|
|
$this->_info['file']['Format'] = 'PNG'; |
1339
|
|
|
break; |
1340
|
|
|
case 4: |
1341
|
|
|
$this->_info['file']['Mime'] = 'application/x-shockwave-flash'; |
1342
|
|
|
$this->_info['file']['Format'] = 'SWF'; |
1343
|
|
|
break; |
1344
|
|
|
case 5: |
1345
|
|
|
$this->_info['file']['Mime'] = 'image/psd'; |
1346
|
|
|
$this->_info['file']['Format'] = 'PSD'; |
1347
|
|
|
break; |
1348
|
|
|
case 6: |
1349
|
|
|
$this->_info['file']['Mime'] = 'image/bmp'; |
1350
|
|
|
$this->_info['file']['Format'] = 'BMP'; |
1351
|
|
|
break; |
1352
|
|
|
case 7: |
1353
|
|
|
$this->_info['file']['Mime'] = 'image/tiff'; |
1354
|
|
|
$this->_info['file']['Format'] = 'TIFF (Intel)'; |
1355
|
|
|
break; |
1356
|
|
|
case 8: |
1357
|
|
|
$this->_info['file']['Mime'] = 'image/tiff'; |
1358
|
|
|
$this->_info['file']['Format'] = 'TIFF (Motorola)'; |
1359
|
|
|
break; |
1360
|
|
|
case 9: |
1361
|
|
|
$this->_info['file']['Mime'] = 'application/octet-stream'; |
1362
|
|
|
$this->_info['file']['Format'] = 'JPC'; |
1363
|
|
|
break; |
1364
|
|
|
case 10: |
1365
|
|
|
$this->_info['file']['Mime'] = 'image/jp2'; |
1366
|
|
|
$this->_info['file']['Format'] = 'JP2'; |
1367
|
|
|
break; |
1368
|
|
|
case 11: |
1369
|
|
|
$this->_info['file']['Mime'] = 'application/octet-stream'; |
1370
|
|
|
$this->_info['file']['Format'] = 'JPX'; |
1371
|
|
|
break; |
1372
|
|
|
case 12: |
1373
|
|
|
$this->_info['file']['Mime'] = 'application/octet-stream'; |
1374
|
|
|
$this->_info['file']['Format'] = 'JB2'; |
1375
|
|
|
break; |
1376
|
|
|
case 13: |
1377
|
|
|
$this->_info['file']['Mime'] = 'application/x-shockwave-flash'; |
1378
|
|
|
$this->_info['file']['Format'] = 'SWC'; |
1379
|
|
|
break; |
1380
|
|
|
case 14: |
1381
|
|
|
$this->_info['file']['Mime'] = 'image/iff'; |
1382
|
|
|
$this->_info['file']['Format'] = 'IFF'; |
1383
|
|
|
break; |
1384
|
|
|
case 15: |
1385
|
|
|
$this->_info['file']['Mime'] = 'image/vnd.wap.wbmp'; |
1386
|
|
|
$this->_info['file']['Format'] = 'WBMP'; |
1387
|
|
|
break; |
1388
|
|
|
case 16: |
1389
|
|
|
$this->_info['file']['Mime'] = 'image/xbm'; |
1390
|
|
|
$this->_info['file']['Format'] = 'XBM'; |
1391
|
|
|
break; |
1392
|
|
|
default: |
1393
|
|
|
$this->_info['file']['Mime'] = 'image/unknown'; |
1394
|
|
|
} |
1395
|
|
|
} |
1396
|
|
|
} else { |
1397
|
|
|
$this->_info['file'] = array(); |
1398
|
|
|
$this->_info['file']['Name'] = \dokuwiki\Utf8\PhpString::basename($this->_fileName); |
1399
|
|
|
$this->_info['file']['Url'] = $this->_fileName; |
1400
|
|
|
} |
1401
|
|
|
|
1402
|
|
|
return true; |
1403
|
|
|
} |
1404
|
|
|
|
1405
|
|
|
/*************************************************************/ |
1406
|
|
|
function _parseMarkerJFIF() { |
|
|
|
|
1407
|
|
|
if (!isset($this->_markers)) { |
1408
|
|
|
$this->_readJPEG(); |
1409
|
|
|
} |
1410
|
|
|
|
1411
|
|
|
if ($this->_markers == null) { |
1412
|
|
|
return false; |
1413
|
|
|
} |
1414
|
|
|
|
1415
|
|
|
$data = null; |
1416
|
|
|
$count = count($this->_markers); |
1417
|
|
|
for ($i = 0; $i < $count; $i++) { |
1418
|
|
|
if ($this->_markers[$i]['marker'] == 0xE0) { |
1419
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 4); |
1420
|
|
|
if ($signature == 'JFIF') { |
1421
|
|
|
$data =& $this->_markers[$i]['data']; |
1422
|
|
|
break; |
1423
|
|
|
} |
1424
|
|
|
} |
1425
|
|
|
} |
1426
|
|
|
|
1427
|
|
|
if ($data == null) { |
1428
|
|
|
$this->_info['jfif'] = false; |
1429
|
|
|
return false; |
1430
|
|
|
} |
1431
|
|
|
|
1432
|
|
|
$this->_info['jfif'] = array(); |
1433
|
|
|
|
1434
|
|
|
$vmaj = $this->_getByte($data, 5); |
1435
|
|
|
$vmin = $this->_getByte($data, 6); |
1436
|
|
|
|
1437
|
|
|
$this->_info['jfif']['Version'] = sprintf('%d.%02d', $vmaj, $vmin); |
1438
|
|
|
|
1439
|
|
|
$units = $this->_getByte($data, 7); |
1440
|
|
|
switch ($units) { |
1441
|
|
|
case 0: |
1442
|
|
|
$this->_info['jfif']['Units'] = 'pixels'; |
1443
|
|
|
break; |
1444
|
|
|
case 1: |
1445
|
|
|
$this->_info['jfif']['Units'] = 'dpi'; |
1446
|
|
|
break; |
1447
|
|
|
case 2: |
1448
|
|
|
$this->_info['jfif']['Units'] = 'dpcm'; |
1449
|
|
|
break; |
1450
|
|
|
default: |
1451
|
|
|
$this->_info['jfif']['Units'] = 'unknown'; |
1452
|
|
|
break; |
1453
|
|
|
} |
1454
|
|
|
|
1455
|
|
|
$xdens = $this->_getShort($data, 8); |
1456
|
|
|
$ydens = $this->_getShort($data, 10); |
1457
|
|
|
|
1458
|
|
|
$this->_info['jfif']['XDensity'] = $xdens; |
1459
|
|
|
$this->_info['jfif']['YDensity'] = $ydens; |
1460
|
|
|
|
1461
|
|
|
$thumbx = $this->_getByte($data, 12); |
1462
|
|
|
$thumby = $this->_getByte($data, 13); |
1463
|
|
|
|
1464
|
|
|
$this->_info['jfif']['ThumbnailWidth'] = $thumbx; |
1465
|
|
|
$this->_info['jfif']['ThumbnailHeight'] = $thumby; |
1466
|
|
|
|
1467
|
|
|
return true; |
1468
|
|
|
} |
1469
|
|
|
|
1470
|
|
|
/*************************************************************/ |
1471
|
|
|
function _parseMarkerSOF() { |
|
|
|
|
1472
|
|
|
if (!isset($this->_markers)) { |
1473
|
|
|
$this->_readJPEG(); |
1474
|
|
|
} |
1475
|
|
|
|
1476
|
|
|
if ($this->_markers == null) { |
1477
|
|
|
return false; |
1478
|
|
|
} |
1479
|
|
|
|
1480
|
|
|
$data = null; |
1481
|
|
|
$count = count($this->_markers); |
1482
|
|
|
for ($i = 0; $i < $count; $i++) { |
1483
|
|
|
switch ($this->_markers[$i]['marker']) { |
1484
|
|
|
case 0xC0: // SOF0 |
1485
|
|
|
case 0xC1: // SOF1 |
1486
|
|
|
case 0xC2: // SOF2 |
1487
|
|
|
case 0xC9: // SOF9 |
1488
|
|
|
$data =& $this->_markers[$i]['data']; |
1489
|
|
|
$marker = $this->_markers[$i]['marker']; |
1490
|
|
|
break; |
1491
|
|
|
} |
1492
|
|
|
} |
1493
|
|
|
|
1494
|
|
|
if ($data == null) { |
1495
|
|
|
$this->_info['sof'] = false; |
1496
|
|
|
return false; |
1497
|
|
|
} |
1498
|
|
|
|
1499
|
|
|
$pos = 0; |
1500
|
|
|
$this->_info['sof'] = array(); |
1501
|
|
|
|
1502
|
|
|
switch ($marker) { |
|
|
|
|
1503
|
|
|
case 0xC0: // SOF0 |
1504
|
|
|
$format = 'Baseline'; |
1505
|
|
|
break; |
1506
|
|
|
case 0xC1: // SOF1 |
1507
|
|
|
$format = 'Progessive'; |
1508
|
|
|
break; |
1509
|
|
|
case 0xC2: // SOF2 |
1510
|
|
|
$format = 'Non-baseline'; |
1511
|
|
|
break; |
1512
|
|
|
case 0xC9: // SOF9 |
1513
|
|
|
$format = 'Arithmetic'; |
1514
|
|
|
break; |
1515
|
|
|
default: |
1516
|
|
|
return false; |
1517
|
|
|
} |
1518
|
|
|
|
1519
|
|
|
$this->_info['sof']['Format'] = $format; |
1520
|
|
|
$this->_info['sof']['SamplePrecision'] = $this->_getByte($data, $pos + 0); |
1521
|
|
|
$this->_info['sof']['ImageHeight'] = $this->_getShort($data, $pos + 1); |
1522
|
|
|
$this->_info['sof']['ImageWidth'] = $this->_getShort($data, $pos + 3); |
1523
|
|
|
$this->_info['sof']['ColorChannels'] = $this->_getByte($data, $pos + 5); |
1524
|
|
|
|
1525
|
|
|
return true; |
1526
|
|
|
} |
1527
|
|
|
|
1528
|
|
|
/** |
1529
|
|
|
* Parses the XMP data |
1530
|
|
|
* |
1531
|
|
|
* @author Hakan Sandell <[email protected]> |
1532
|
|
|
*/ |
1533
|
|
|
function _parseMarkerXmp() { |
|
|
|
|
1534
|
|
|
if (!isset($this->_markers)) { |
1535
|
|
|
$this->_readJPEG(); |
1536
|
|
|
} |
1537
|
|
|
|
1538
|
|
|
if ($this->_markers == null) { |
1539
|
|
|
return false; |
1540
|
|
|
} |
1541
|
|
|
|
1542
|
|
|
$data = null; |
1543
|
|
|
$count = count($this->_markers); |
1544
|
|
|
for ($i = 0; $i < $count; $i++) { |
1545
|
|
|
if ($this->_markers[$i]['marker'] == 0xE1) { |
1546
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 29); |
1547
|
|
|
if ($signature == "http://ns.adobe.com/xap/1.0/\0") { |
1548
|
|
|
$data = substr($this->_markers[$i]['data'], 29); |
1549
|
|
|
break; |
1550
|
|
|
} |
1551
|
|
|
} |
1552
|
|
|
} |
1553
|
|
|
|
1554
|
|
|
if ($data == null) { |
|
|
|
|
1555
|
|
|
$this->_info['xmp'] = false; |
1556
|
|
|
return false; |
1557
|
|
|
} |
1558
|
|
|
|
1559
|
|
|
$parser = xml_parser_create(); |
1560
|
|
|
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0); |
1561
|
|
|
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); |
1562
|
|
|
$result = xml_parse_into_struct($parser, $data, $values, $tags); |
1563
|
|
|
xml_parser_free($parser); |
1564
|
|
|
|
1565
|
|
|
if ($result == 0) { |
1566
|
|
|
$this->_info['xmp'] = false; |
1567
|
|
|
return false; |
1568
|
|
|
} |
1569
|
|
|
|
1570
|
|
|
$this->_info['xmp'] = array(); |
1571
|
|
|
$count = count($values); |
1572
|
|
|
for ($i = 0; $i < $count; $i++) { |
1573
|
|
|
if ($values[$i]['tag'] == 'rdf:Description' && $values[$i]['type'] == 'open') { |
1574
|
|
|
|
1575
|
|
|
while ((++$i < $count) && ($values[$i]['tag'] != 'rdf:Description')) { |
1576
|
|
|
$this->_parseXmpNode($values, $i, $this->_info['xmp'][$values[$i]['tag']], $count); |
1577
|
|
|
} |
1578
|
|
|
} |
1579
|
|
|
} |
1580
|
|
|
return true; |
1581
|
|
|
} |
1582
|
|
|
|
1583
|
|
|
/** |
1584
|
|
|
* Parses XMP nodes by recursion |
1585
|
|
|
* |
1586
|
|
|
* @author Hakan Sandell <[email protected]> |
1587
|
|
|
* |
1588
|
|
|
* @param array $values |
1589
|
|
|
* @param int $i |
1590
|
|
|
* @param mixed $meta |
1591
|
|
|
* @param integer $count |
1592
|
|
|
*/ |
1593
|
|
|
function _parseXmpNode($values, &$i, &$meta, $count) { |
|
|
|
|
1594
|
|
|
if ($values[$i]['type'] == 'close') return; |
1595
|
|
|
|
1596
|
|
|
if ($values[$i]['type'] == 'complete') { |
1597
|
|
|
// Simple Type property |
1598
|
|
|
$meta = $values[$i]['value']; |
1599
|
|
|
return; |
1600
|
|
|
} |
1601
|
|
|
|
1602
|
|
|
$i++; |
1603
|
|
|
if ($i >= $count) return; |
1604
|
|
|
|
1605
|
|
|
if ($values[$i]['tag'] == 'rdf:Bag' || $values[$i]['tag'] == 'rdf:Seq') { |
1606
|
|
|
// Array property |
1607
|
|
|
$meta = array(); |
1608
|
|
|
while ($values[++$i]['tag'] == 'rdf:li') { |
1609
|
|
|
$this->_parseXmpNode($values, $i, $meta[], $count); |
1610
|
|
|
} |
1611
|
|
|
$i++; // skip closing Bag/Seq tag |
1612
|
|
|
|
1613
|
|
|
} elseif ($values[$i]['tag'] == 'rdf:Alt') { |
1614
|
|
|
// Language Alternative property, only the first (default) value is used |
1615
|
|
|
if ($values[$i]['type'] == 'open') { |
1616
|
|
|
$i++; |
1617
|
|
|
$this->_parseXmpNode($values, $i, $meta, $count); |
1618
|
|
|
while ((++$i < $count) && ($values[$i]['tag'] != 'rdf:Alt')); |
1619
|
|
|
$i++; // skip closing Alt tag |
1620
|
|
|
} |
1621
|
|
|
|
1622
|
|
|
} else { |
1623
|
|
|
// Structure property |
1624
|
|
|
$meta = array(); |
1625
|
|
|
$startTag = $values[$i-1]['tag']; |
1626
|
|
|
do { |
1627
|
|
|
$this->_parseXmpNode($values, $i, $meta[$values[$i]['tag']], $count); |
1628
|
|
|
} while ((++$i < $count) && ($values[$i]['tag'] != $startTag)); |
1629
|
|
|
} |
1630
|
|
|
} |
1631
|
|
|
|
1632
|
|
|
/*************************************************************/ |
1633
|
|
|
function _parseMarkerExif() { |
|
|
|
|
1634
|
|
|
if (!isset($this->_markers)) { |
1635
|
|
|
$this->_readJPEG(); |
1636
|
|
|
} |
1637
|
|
|
|
1638
|
|
|
if ($this->_markers == null) { |
1639
|
|
|
return false; |
1640
|
|
|
} |
1641
|
|
|
|
1642
|
|
|
$data = null; |
1643
|
|
|
$count = count($this->_markers); |
1644
|
|
|
for ($i = 0; $i < $count; $i++) { |
1645
|
|
|
if ($this->_markers[$i]['marker'] == 0xE1) { |
1646
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 6); |
1647
|
|
|
if ($signature == "Exif\0\0") { |
1648
|
|
|
$data =& $this->_markers[$i]['data']; |
1649
|
|
|
break; |
1650
|
|
|
} |
1651
|
|
|
} |
1652
|
|
|
} |
1653
|
|
|
|
1654
|
|
|
if ($data == null) { |
1655
|
|
|
$this->_info['exif'] = false; |
1656
|
|
|
return false; |
1657
|
|
|
} |
1658
|
|
|
$pos = 6; |
1659
|
|
|
$this->_info['exif'] = array(); |
1660
|
|
|
|
1661
|
|
|
// We don't increment $pos after this because Exif uses offsets relative to this point |
1662
|
|
|
|
1663
|
|
|
$byteAlign = $this->_getShort($data, $pos + 0); |
1664
|
|
|
|
1665
|
|
|
if ($byteAlign == 0x4949) { // "II" |
1666
|
|
|
$isBigEndian = false; |
1667
|
|
|
} elseif ($byteAlign == 0x4D4D) { // "MM" |
1668
|
|
|
$isBigEndian = true; |
1669
|
|
|
} else { |
1670
|
|
|
return false; // Unexpected data |
1671
|
|
|
} |
1672
|
|
|
|
1673
|
|
|
$alignCheck = $this->_getShort($data, $pos + 2, $isBigEndian); |
1674
|
|
|
if ($alignCheck != 0x002A) // That's the expected value |
1675
|
|
|
return false; // Unexpected data |
1676
|
|
|
|
1677
|
|
|
if ($isBigEndian) { |
1678
|
|
|
$this->_info['exif']['ByteAlign'] = "Big Endian"; |
1679
|
|
|
} else { |
1680
|
|
|
$this->_info['exif']['ByteAlign'] = "Little Endian"; |
1681
|
|
|
} |
1682
|
|
|
|
1683
|
|
|
$offsetIFD0 = $this->_getLong($data, $pos + 4, $isBigEndian); |
1684
|
|
|
if ($offsetIFD0 < 8) |
1685
|
|
|
return false; // Unexpected data |
1686
|
|
|
|
1687
|
|
|
$offsetIFD1 = $this->_readIFD($data, $pos, $offsetIFD0, $isBigEndian, 'ifd0'); |
1688
|
|
|
if ($offsetIFD1 != 0) |
1689
|
|
|
$this->_readIFD($data, $pos, $offsetIFD1, $isBigEndian, 'ifd1'); |
|
|
|
|
1690
|
|
|
|
1691
|
|
|
return true; |
1692
|
|
|
} |
1693
|
|
|
|
1694
|
|
|
/*************************************************************/ |
1695
|
|
|
|
1696
|
|
|
/** |
1697
|
|
|
* @param mixed $data |
1698
|
|
|
* @param integer $base |
1699
|
|
|
* @param integer $offset |
1700
|
|
|
* @param boolean $isBigEndian |
1701
|
|
|
* @param string $mode |
1702
|
|
|
* |
1703
|
|
|
* @return int |
1704
|
|
|
*/ |
1705
|
|
|
function _readIFD($data, $base, $offset, $isBigEndian, $mode) { |
|
|
|
|
1706
|
|
|
$EXIFTags = $this->_exifTagNames($mode); |
1707
|
|
|
|
1708
|
|
|
$numEntries = $this->_getShort($data, $base + $offset, $isBigEndian); |
1709
|
|
|
$offset += 2; |
1710
|
|
|
|
1711
|
|
|
$exifTIFFOffset = 0; |
1712
|
|
|
$exifTIFFLength = 0; |
1713
|
|
|
$exifThumbnailOffset = 0; |
1714
|
|
|
$exifThumbnailLength = 0; |
1715
|
|
|
|
1716
|
|
|
for ($i = 0; $i < $numEntries; $i++) { |
1717
|
|
|
$tag = $this->_getShort($data, $base + $offset, $isBigEndian); |
1718
|
|
|
$offset += 2; |
1719
|
|
|
$type = $this->_getShort($data, $base + $offset, $isBigEndian); |
1720
|
|
|
$offset += 2; |
1721
|
|
|
$count = $this->_getLong($data, $base + $offset, $isBigEndian); |
1722
|
|
|
$offset += 4; |
1723
|
|
|
|
1724
|
|
|
if (($type < 1) || ($type > 12)) |
1725
|
|
|
return false; // Unexpected Type |
1726
|
|
|
|
1727
|
|
|
$typeLengths = array( -1, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8 ); |
1728
|
|
|
|
1729
|
|
|
$dataLength = $typeLengths[$type] * $count; |
1730
|
|
|
if ($dataLength > 4) { |
1731
|
|
|
$dataOffset = $this->_getLong($data, $base + $offset, $isBigEndian); |
1732
|
|
|
$rawValue = $this->_getFixedString($data, $base + $dataOffset, $dataLength); |
1733
|
|
|
} else { |
1734
|
|
|
$rawValue = $this->_getFixedString($data, $base + $offset, $dataLength); |
1735
|
|
|
} |
1736
|
|
|
$offset += 4; |
1737
|
|
|
|
1738
|
|
|
switch ($type) { |
1739
|
|
|
case 1: // UBYTE |
1740
|
|
|
if ($count == 1) { |
1741
|
|
|
$value = $this->_getByte($rawValue, 0); |
1742
|
|
|
} else { |
1743
|
|
|
$value = array(); |
1744
|
|
|
for ($j = 0; $j < $count; $j++) |
1745
|
|
|
$value[$j] = $this->_getByte($rawValue, $j); |
1746
|
|
|
} |
1747
|
|
|
break; |
1748
|
|
|
case 2: // ASCII |
1749
|
|
|
$value = $rawValue; |
1750
|
|
|
break; |
1751
|
|
|
case 3: // USHORT |
1752
|
|
|
if ($count == 1) { |
1753
|
|
|
$value = $this->_getShort($rawValue, 0, $isBigEndian); |
1754
|
|
|
} else { |
1755
|
|
|
$value = array(); |
1756
|
|
|
for ($j = 0; $j < $count; $j++) |
1757
|
|
|
$value[$j] = $this->_getShort($rawValue, $j * 2, $isBigEndian); |
1758
|
|
|
} |
1759
|
|
|
break; |
1760
|
|
|
case 4: // ULONG |
1761
|
|
|
if ($count == 1) { |
1762
|
|
|
$value = $this->_getLong($rawValue, 0, $isBigEndian); |
1763
|
|
|
} else { |
1764
|
|
|
$value = array(); |
1765
|
|
|
for ($j = 0; $j < $count; $j++) |
1766
|
|
|
$value[$j] = $this->_getLong($rawValue, $j * 4, $isBigEndian); |
1767
|
|
|
} |
1768
|
|
|
break; |
1769
|
|
|
case 5: // URATIONAL |
1770
|
|
|
if ($count == 1) { |
1771
|
|
|
$a = $this->_getLong($rawValue, 0, $isBigEndian); |
1772
|
|
|
$b = $this->_getLong($rawValue, 4, $isBigEndian); |
1773
|
|
|
$value = array(); |
1774
|
|
|
$value['val'] = 0; |
1775
|
|
|
$value['num'] = $a; |
1776
|
|
|
$value['den'] = $b; |
1777
|
|
|
if (($a != 0) && ($b != 0)) { |
1778
|
|
|
$value['val'] = $a / $b; |
1779
|
|
|
} |
1780
|
|
|
} else { |
1781
|
|
|
$value = array(); |
1782
|
|
|
for ($j = 0; $j < $count; $j++) { |
1783
|
|
|
$a = $this->_getLong($rawValue, $j * 8, $isBigEndian); |
1784
|
|
|
$b = $this->_getLong($rawValue, ($j * 8) + 4, $isBigEndian); |
1785
|
|
|
$value = array(); |
1786
|
|
|
$value[$j]['val'] = 0; |
1787
|
|
|
$value[$j]['num'] = $a; |
1788
|
|
|
$value[$j]['den'] = $b; |
1789
|
|
|
if (($a != 0) && ($b != 0)) |
1790
|
|
|
$value[$j]['val'] = $a / $b; |
1791
|
|
|
} |
1792
|
|
|
} |
1793
|
|
|
break; |
1794
|
|
|
case 6: // SBYTE |
1795
|
|
|
if ($count == 1) { |
1796
|
|
|
$value = $this->_getByte($rawValue, 0); |
1797
|
|
|
} else { |
1798
|
|
|
$value = array(); |
1799
|
|
|
for ($j = 0; $j < $count; $j++) |
1800
|
|
|
$value[$j] = $this->_getByte($rawValue, $j); |
1801
|
|
|
} |
1802
|
|
|
break; |
1803
|
|
|
case 7: // UNDEFINED |
1804
|
|
|
$value = $rawValue; |
1805
|
|
|
break; |
1806
|
|
|
case 8: // SSHORT |
1807
|
|
|
if ($count == 1) { |
1808
|
|
|
$value = $this->_getShort($rawValue, 0, $isBigEndian); |
1809
|
|
|
} else { |
1810
|
|
|
$value = array(); |
1811
|
|
|
for ($j = 0; $j < $count; $j++) |
1812
|
|
|
$value[$j] = $this->_getShort($rawValue, $j * 2, $isBigEndian); |
1813
|
|
|
} |
1814
|
|
|
break; |
1815
|
|
|
case 9: // SLONG |
1816
|
|
|
if ($count == 1) { |
1817
|
|
|
$value = $this->_getLong($rawValue, 0, $isBigEndian); |
1818
|
|
|
} else { |
1819
|
|
|
$value = array(); |
1820
|
|
|
for ($j = 0; $j < $count; $j++) |
1821
|
|
|
$value[$j] = $this->_getLong($rawValue, $j * 4, $isBigEndian); |
1822
|
|
|
} |
1823
|
|
|
break; |
1824
|
|
|
case 10: // SRATIONAL |
1825
|
|
|
if ($count == 1) { |
1826
|
|
|
$a = $this->_getLong($rawValue, 0, $isBigEndian); |
1827
|
|
|
$b = $this->_getLong($rawValue, 4, $isBigEndian); |
1828
|
|
|
$value = array(); |
1829
|
|
|
$value['val'] = 0; |
1830
|
|
|
$value['num'] = $a; |
1831
|
|
|
$value['den'] = $b; |
1832
|
|
|
if (($a != 0) && ($b != 0)) |
1833
|
|
|
$value['val'] = $a / $b; |
1834
|
|
|
} else { |
1835
|
|
|
$value = array(); |
1836
|
|
|
for ($j = 0; $j < $count; $j++) { |
1837
|
|
|
$a = $this->_getLong($rawValue, $j * 8, $isBigEndian); |
1838
|
|
|
$b = $this->_getLong($rawValue, ($j * 8) + 4, $isBigEndian); |
1839
|
|
|
$value = array(); |
1840
|
|
|
$value[$j]['val'] = 0; |
1841
|
|
|
$value[$j]['num'] = $a; |
1842
|
|
|
$value[$j]['den'] = $b; |
1843
|
|
|
if (($a != 0) && ($b != 0)) |
1844
|
|
|
$value[$j]['val'] = $a / $b; |
1845
|
|
|
} |
1846
|
|
|
} |
1847
|
|
|
break; |
1848
|
|
|
case 11: // FLOAT |
1849
|
|
|
$value = $rawValue; |
1850
|
|
|
break; |
1851
|
|
|
|
1852
|
|
|
case 12: // DFLOAT |
1853
|
|
|
$value = $rawValue; |
1854
|
|
|
break; |
1855
|
|
|
default: |
1856
|
|
|
return false; // Unexpected Type |
1857
|
|
|
} |
1858
|
|
|
|
1859
|
|
|
$tagName = ''; |
|
|
|
|
1860
|
|
|
if (($mode == 'ifd0') && ($tag == 0x8769)) { // ExifIFDOffset |
1861
|
|
|
$this->_readIFD($data, $base, $value, $isBigEndian, 'exif'); |
1862
|
|
|
} elseif (($mode == 'ifd0') && ($tag == 0x8825)) { // GPSIFDOffset |
1863
|
|
|
$this->_readIFD($data, $base, $value, $isBigEndian, 'gps'); |
1864
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0111)) { // TIFFStripOffsets |
1865
|
|
|
$exifTIFFOffset = $value; |
1866
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0117)) { // TIFFStripByteCounts |
1867
|
|
|
$exifTIFFLength = $value; |
1868
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0201)) { // TIFFJFIFOffset |
1869
|
|
|
$exifThumbnailOffset = $value; |
1870
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0202)) { // TIFFJFIFLength |
1871
|
|
|
$exifThumbnailLength = $value; |
1872
|
|
|
} elseif (($mode == 'exif') && ($tag == 0xA005)) { // InteropIFDOffset |
1873
|
|
|
$this->_readIFD($data, $base, $value, $isBigEndian, 'interop'); |
1874
|
|
|
} |
1875
|
|
|
// elseif (($mode == 'exif') && ($tag == 0x927C)) { // MakerNote |
1876
|
|
|
// } |
1877
|
|
|
else { |
1878
|
|
|
if (isset($EXIFTags[$tag])) { |
1879
|
|
|
$tagName = $EXIFTags[$tag]; |
1880
|
|
|
if (isset($this->_info['exif'][$tagName])) { |
1881
|
|
|
if (!is_array($this->_info['exif'][$tagName])) { |
1882
|
|
|
$aux = array(); |
1883
|
|
|
$aux[0] = $this->_info['exif'][$tagName]; |
1884
|
|
|
$this->_info['exif'][$tagName] = $aux; |
1885
|
|
|
} |
1886
|
|
|
|
1887
|
|
|
$this->_info['exif'][$tagName][count($this->_info['exif'][$tagName])] = $value; |
1888
|
|
|
} else { |
1889
|
|
|
$this->_info['exif'][$tagName] = $value; |
1890
|
|
|
} |
1891
|
|
|
} |
1892
|
|
|
/* |
1893
|
|
|
else { |
1894
|
|
|
echo sprintf("<h1>Unknown tag %02x (t: %d l: %d) %s in %s</h1>", $tag, $type, $count, $mode, $this->_fileName); |
1895
|
|
|
// Unknown Tags will be ignored!!! |
1896
|
|
|
// That's because the tag might be a pointer (like the Exif tag) |
1897
|
|
|
// and saving it without saving the data it points to might |
1898
|
|
|
// create an invalid file. |
1899
|
|
|
} |
1900
|
|
|
*/ |
1901
|
|
|
} |
1902
|
|
|
} |
1903
|
|
|
|
1904
|
|
|
if (($exifThumbnailOffset > 0) && ($exifThumbnailLength > 0)) { |
1905
|
|
|
$this->_info['exif']['JFIFThumbnail'] = $this->_getFixedString($data, $base + $exifThumbnailOffset, $exifThumbnailLength); |
1906
|
|
|
} |
1907
|
|
|
|
1908
|
|
|
if (($exifTIFFOffset > 0) && ($exifTIFFLength > 0)) { |
1909
|
|
|
$this->_info['exif']['TIFFStrips'] = $this->_getFixedString($data, $base + $exifTIFFOffset, $exifTIFFLength); |
1910
|
|
|
} |
1911
|
|
|
|
1912
|
|
|
$nextOffset = $this->_getLong($data, $base + $offset, $isBigEndian); |
1913
|
|
|
return $nextOffset; |
1914
|
|
|
} |
1915
|
|
|
|
1916
|
|
|
/*************************************************************/ |
1917
|
|
|
function & _createMarkerExif() { |
1918
|
|
|
$data = null; |
1919
|
|
|
$count = count($this->_markers); |
1920
|
|
|
for ($i = 0; $i < $count; $i++) { |
1921
|
|
|
if ($this->_markers[$i]['marker'] == 0xE1) { |
1922
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 6); |
1923
|
|
|
if ($signature == "Exif\0\0") { |
1924
|
|
|
$data =& $this->_markers[$i]['data']; |
1925
|
|
|
break; |
1926
|
|
|
} |
1927
|
|
|
} |
1928
|
|
|
} |
1929
|
|
|
|
1930
|
|
|
if (!isset($this->_info['exif'])) { |
1931
|
|
|
return false; |
1932
|
|
|
} |
1933
|
|
|
|
1934
|
|
|
$data = "Exif\0\0"; |
1935
|
|
|
$pos = 6; |
1936
|
|
|
$offsetBase = 6; |
1937
|
|
|
|
1938
|
|
|
if (isset($this->_info['exif']['ByteAlign']) && ($this->_info['exif']['ByteAlign'] == "Big Endian")) { |
1939
|
|
|
$isBigEndian = true; |
1940
|
|
|
$aux = "MM"; |
1941
|
|
|
$pos = $this->_putString($data, $pos, $aux); |
1942
|
|
|
} else { |
1943
|
|
|
$isBigEndian = false; |
1944
|
|
|
$aux = "II"; |
1945
|
|
|
$pos = $this->_putString($data, $pos, $aux); |
1946
|
|
|
} |
1947
|
|
|
$pos = $this->_putShort($data, $pos, 0x002A, $isBigEndian); |
1948
|
|
|
$pos = $this->_putLong($data, $pos, 0x00000008, $isBigEndian); // IFD0 Offset is always 8 |
1949
|
|
|
|
1950
|
|
|
$ifd0 =& $this->_getIFDEntries($isBigEndian, 'ifd0'); |
1951
|
|
|
$ifd1 =& $this->_getIFDEntries($isBigEndian, 'ifd1'); |
1952
|
|
|
|
1953
|
|
|
$pos = $this->_writeIFD($data, $pos, $offsetBase, $ifd0, $isBigEndian, true); |
1954
|
|
|
$pos = $this->_writeIFD($data, $pos, $offsetBase, $ifd1, $isBigEndian, false); |
|
|
|
|
1955
|
|
|
|
1956
|
|
|
return $data; |
1957
|
|
|
} |
1958
|
|
|
|
1959
|
|
|
/*************************************************************/ |
1960
|
|
|
|
1961
|
|
|
/** |
1962
|
|
|
* @param mixed $data |
1963
|
|
|
* @param integer $pos |
1964
|
|
|
* @param integer $offsetBase |
1965
|
|
|
* @param array $entries |
1966
|
|
|
* @param boolean $isBigEndian |
1967
|
|
|
* @param boolean $hasNext |
1968
|
|
|
* |
1969
|
|
|
* @return mixed |
1970
|
|
|
*/ |
1971
|
|
|
function _writeIFD(&$data, $pos, $offsetBase, &$entries, $isBigEndian, $hasNext) { |
|
|
|
|
1972
|
|
|
$tiffData = null; |
1973
|
|
|
$tiffDataOffsetPos = -1; |
1974
|
|
|
|
1975
|
|
|
$entryCount = count($entries); |
1976
|
|
|
|
1977
|
|
|
$dataPos = $pos + 2 + ($entryCount * 12) + 4; |
1978
|
|
|
$pos = $this->_putShort($data, $pos, $entryCount, $isBigEndian); |
1979
|
|
|
|
1980
|
|
|
for ($i = 0; $i < $entryCount; $i++) { |
1981
|
|
|
$tag = $entries[$i]['tag']; |
1982
|
|
|
$type = $entries[$i]['type']; |
1983
|
|
|
|
1984
|
|
|
if ($type == -99) { // SubIFD |
1985
|
|
|
$pos = $this->_putShort($data, $pos, $tag, $isBigEndian); |
1986
|
|
|
$pos = $this->_putShort($data, $pos, 0x04, $isBigEndian); // LONG |
1987
|
|
|
$pos = $this->_putLong($data, $pos, 0x01, $isBigEndian); // Count = 1 |
1988
|
|
|
$pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian); |
1989
|
|
|
|
1990
|
|
|
$dataPos = $this->_writeIFD($data, $dataPos, $offsetBase, $entries[$i]['value'], $isBigEndian, false); |
1991
|
|
|
} elseif ($type == -98) { // TIFF Data |
1992
|
|
|
$pos = $this->_putShort($data, $pos, $tag, $isBigEndian); |
1993
|
|
|
$pos = $this->_putShort($data, $pos, 0x04, $isBigEndian); // LONG |
1994
|
|
|
$pos = $this->_putLong($data, $pos, 0x01, $isBigEndian); // Count = 1 |
1995
|
|
|
$tiffDataOffsetPos = $pos; |
1996
|
|
|
$pos = $this->_putLong($data, $pos, 0x00, $isBigEndian); // For Now |
1997
|
|
|
$tiffData =& $entries[$i]['value'] ; |
1998
|
|
|
} else { // Regular Entry |
1999
|
|
|
$pos = $this->_putShort($data, $pos, $tag, $isBigEndian); |
2000
|
|
|
$pos = $this->_putShort($data, $pos, $type, $isBigEndian); |
2001
|
|
|
$pos = $this->_putLong($data, $pos, $entries[$i]['count'], $isBigEndian); |
2002
|
|
|
if (strlen($entries[$i]['value']) > 4) { |
2003
|
|
|
$pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian); |
2004
|
|
|
$dataPos = $this->_putString($data, $dataPos, $entries[$i]['value']); |
2005
|
|
|
} else { |
2006
|
|
|
$val = str_pad($entries[$i]['value'], 4, "\0"); |
2007
|
|
|
$pos = $this->_putString($data, $pos, $val); |
2008
|
|
|
} |
2009
|
|
|
} |
2010
|
|
|
} |
2011
|
|
|
|
2012
|
|
|
if ($tiffData != null) { |
2013
|
|
|
$this->_putLong($data, $tiffDataOffsetPos, $dataPos - $offsetBase, $isBigEndian); |
2014
|
|
|
$dataPos = $this->_putString($data, $dataPos, $tiffData); |
2015
|
|
|
} |
2016
|
|
|
|
2017
|
|
|
if ($hasNext) { |
2018
|
|
|
$pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian); |
|
|
|
|
2019
|
|
|
} else { |
2020
|
|
|
$pos = $this->_putLong($data, $pos, 0, $isBigEndian); |
|
|
|
|
2021
|
|
|
} |
2022
|
|
|
|
2023
|
|
|
return $dataPos; |
2024
|
|
|
} |
2025
|
|
|
|
2026
|
|
|
/*************************************************************/ |
2027
|
|
|
|
2028
|
|
|
/** |
2029
|
|
|
* @param boolean $isBigEndian |
2030
|
|
|
* @param string $mode |
2031
|
|
|
* |
2032
|
|
|
* @return array |
2033
|
|
|
*/ |
2034
|
|
|
function & _getIFDEntries($isBigEndian, $mode) { |
2035
|
|
|
$EXIFNames = $this->_exifTagNames($mode); |
2036
|
|
|
$EXIFTags = $this->_exifNameTags($mode); |
|
|
|
|
2037
|
|
|
$EXIFTypeInfo = $this->_exifTagTypes($mode); |
2038
|
|
|
|
2039
|
|
|
$ifdEntries = array(); |
2040
|
|
|
$entryCount = 0; |
2041
|
|
|
|
2042
|
|
|
foreach($EXIFNames as $tag => $name) { |
2043
|
|
|
$type = $EXIFTypeInfo[$tag][0]; |
2044
|
|
|
$count = $EXIFTypeInfo[$tag][1]; |
2045
|
|
|
$value = null; |
2046
|
|
|
|
2047
|
|
|
if (($mode == 'ifd0') && ($tag == 0x8769)) { // ExifIFDOffset |
2048
|
|
|
if (isset($this->_info['exif']['EXIFVersion'])) { |
2049
|
|
|
$value =& $this->_getIFDEntries($isBigEndian, "exif"); |
2050
|
|
|
$type = -99; |
2051
|
|
|
} |
2052
|
|
|
else { |
2053
|
|
|
$value = null; |
2054
|
|
|
} |
2055
|
|
|
} elseif (($mode == 'ifd0') && ($tag == 0x8825)) { // GPSIFDOffset |
2056
|
|
|
if (isset($this->_info['exif']['GPSVersionID'])) { |
2057
|
|
|
$value =& $this->_getIFDEntries($isBigEndian, "gps"); |
2058
|
|
|
$type = -99; |
2059
|
|
|
} else { |
2060
|
|
|
$value = null; |
2061
|
|
|
} |
2062
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0111)) { // TIFFStripOffsets |
2063
|
|
|
if (isset($this->_info['exif']['TIFFStrips'])) { |
2064
|
|
|
$value =& $this->_info['exif']['TIFFStrips']; |
2065
|
|
|
$type = -98; |
2066
|
|
|
} else { |
2067
|
|
|
$value = null; |
2068
|
|
|
} |
2069
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0117)) { // TIFFStripByteCounts |
2070
|
|
|
if (isset($this->_info['exif']['TIFFStrips'])) { |
2071
|
|
|
$value = strlen($this->_info['exif']['TIFFStrips']); |
2072
|
|
|
} else { |
2073
|
|
|
$value = null; |
2074
|
|
|
} |
2075
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0201)) { // TIFFJFIFOffset |
2076
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
2077
|
|
|
$value =& $this->_info['exif']['JFIFThumbnail']; |
2078
|
|
|
$type = -98; |
2079
|
|
|
} else { |
2080
|
|
|
$value = null; |
2081
|
|
|
} |
2082
|
|
|
} elseif (($mode == 'ifd1') && ($tag == 0x0202)) { // TIFFJFIFLength |
2083
|
|
|
if (isset($this->_info['exif']['JFIFThumbnail'])) { |
2084
|
|
|
$value = strlen($this->_info['exif']['JFIFThumbnail']); |
2085
|
|
|
} else { |
2086
|
|
|
$value = null; |
2087
|
|
|
} |
2088
|
|
|
} elseif (($mode == 'exif') && ($tag == 0xA005)) { // InteropIFDOffset |
2089
|
|
|
if (isset($this->_info['exif']['InteroperabilityIndex'])) { |
2090
|
|
|
$value =& $this->_getIFDEntries($isBigEndian, "interop"); |
2091
|
|
|
$type = -99; |
2092
|
|
|
} else { |
2093
|
|
|
$value = null; |
2094
|
|
|
} |
2095
|
|
|
} elseif (isset($this->_info['exif'][$name])) { |
2096
|
|
|
$origValue =& $this->_info['exif'][$name]; |
2097
|
|
|
|
2098
|
|
|
// This makes it easier to process variable size elements |
2099
|
|
|
if (!is_array($origValue) || isset($origValue['val'])) { |
2100
|
|
|
unset($origValue); // Break the reference |
2101
|
|
|
$origValue = array($this->_info['exif'][$name]); |
2102
|
|
|
} |
2103
|
|
|
$origCount = count($origValue); |
2104
|
|
|
|
2105
|
|
|
if ($origCount == 0 ) { |
2106
|
|
|
$type = -1; // To ignore this field |
2107
|
|
|
} |
2108
|
|
|
|
2109
|
|
|
$value = " "; |
2110
|
|
|
|
2111
|
|
|
switch ($type) { |
2112
|
|
|
case 1: // UBYTE |
2113
|
|
|
if ($count == 0) { |
2114
|
|
|
$count = $origCount; |
2115
|
|
|
} |
2116
|
|
|
|
2117
|
|
|
$j = 0; |
2118
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2119
|
|
|
|
2120
|
|
|
$this->_putByte($value, $j, $origValue[$j]); |
2121
|
|
|
$j++; |
2122
|
|
|
} |
2123
|
|
|
|
2124
|
|
|
while ($j < $count) { |
2125
|
|
|
$this->_putByte($value, $j, 0); |
2126
|
|
|
$j++; |
2127
|
|
|
} |
2128
|
|
|
break; |
2129
|
|
|
case 2: // ASCII |
2130
|
|
|
$v = strval($origValue[0]); |
2131
|
|
|
if (($count != 0) && (strlen($v) > $count)) { |
2132
|
|
|
$v = substr($v, 0, $count); |
2133
|
|
|
} |
2134
|
|
|
elseif (($count > 0) && (strlen($v) < $count)) { |
2135
|
|
|
$v = str_pad($v, $count, "\0"); |
2136
|
|
|
} |
2137
|
|
|
|
2138
|
|
|
$count = strlen($v); |
2139
|
|
|
|
2140
|
|
|
$this->_putString($value, 0, $v); |
2141
|
|
|
break; |
2142
|
|
|
case 3: // USHORT |
2143
|
|
|
if ($count == 0) { |
2144
|
|
|
$count = $origCount; |
2145
|
|
|
} |
2146
|
|
|
|
2147
|
|
|
$j = 0; |
2148
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2149
|
|
|
$this->_putShort($value, $j * 2, $origValue[$j], $isBigEndian); |
2150
|
|
|
$j++; |
2151
|
|
|
} |
2152
|
|
|
|
2153
|
|
|
while ($j < $count) { |
2154
|
|
|
$this->_putShort($value, $j * 2, 0, $isBigEndian); |
2155
|
|
|
$j++; |
2156
|
|
|
} |
2157
|
|
|
break; |
2158
|
|
|
case 4: // ULONG |
2159
|
|
|
if ($count == 0) { |
2160
|
|
|
$count = $origCount; |
2161
|
|
|
} |
2162
|
|
|
|
2163
|
|
|
$j = 0; |
2164
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2165
|
|
|
$this->_putLong($value, $j * 4, $origValue[$j], $isBigEndian); |
2166
|
|
|
$j++; |
2167
|
|
|
} |
2168
|
|
|
|
2169
|
|
|
while ($j < $count) { |
2170
|
|
|
$this->_putLong($value, $j * 4, 0, $isBigEndian); |
2171
|
|
|
$j++; |
2172
|
|
|
} |
2173
|
|
|
break; |
2174
|
|
|
case 5: // URATIONAL |
2175
|
|
|
if ($count == 0) { |
2176
|
|
|
$count = $origCount; |
2177
|
|
|
} |
2178
|
|
|
|
2179
|
|
|
$j = 0; |
2180
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2181
|
|
|
$v = $origValue[$j]; |
2182
|
|
|
if (is_array($v)) { |
2183
|
|
|
$a = $v['num']; |
2184
|
|
|
$b = $v['den']; |
2185
|
|
|
} |
2186
|
|
|
else { |
2187
|
|
|
$a = 0; |
2188
|
|
|
$b = 0; |
2189
|
|
|
// TODO: Allow other types and convert them |
2190
|
|
|
} |
2191
|
|
|
$this->_putLong($value, $j * 8, $a, $isBigEndian); |
2192
|
|
|
$this->_putLong($value, ($j * 8) + 4, $b, $isBigEndian); |
2193
|
|
|
$j++; |
2194
|
|
|
} |
2195
|
|
|
|
2196
|
|
|
while ($j < $count) { |
2197
|
|
|
$this->_putLong($value, $j * 8, 0, $isBigEndian); |
2198
|
|
|
$this->_putLong($value, ($j * 8) + 4, 0, $isBigEndian); |
2199
|
|
|
$j++; |
2200
|
|
|
} |
2201
|
|
|
break; |
2202
|
|
|
case 6: // SBYTE |
2203
|
|
|
if ($count == 0) { |
2204
|
|
|
$count = $origCount; |
2205
|
|
|
} |
2206
|
|
|
|
2207
|
|
|
$j = 0; |
2208
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2209
|
|
|
$this->_putByte($value, $j, $origValue[$j]); |
2210
|
|
|
$j++; |
2211
|
|
|
} |
2212
|
|
|
|
2213
|
|
|
while ($j < $count) { |
2214
|
|
|
$this->_putByte($value, $j, 0); |
2215
|
|
|
$j++; |
2216
|
|
|
} |
2217
|
|
|
break; |
2218
|
|
|
case 7: // UNDEFINED |
2219
|
|
|
$v = strval($origValue[0]); |
2220
|
|
|
if (($count != 0) && (strlen($v) > $count)) { |
2221
|
|
|
$v = substr($v, 0, $count); |
2222
|
|
|
} |
2223
|
|
|
elseif (($count > 0) && (strlen($v) < $count)) { |
2224
|
|
|
$v = str_pad($v, $count, "\0"); |
2225
|
|
|
} |
2226
|
|
|
|
2227
|
|
|
$count = strlen($v); |
2228
|
|
|
|
2229
|
|
|
$this->_putString($value, 0, $v); |
2230
|
|
|
break; |
2231
|
|
|
case 8: // SSHORT |
2232
|
|
|
if ($count == 0) { |
2233
|
|
|
$count = $origCount; |
2234
|
|
|
} |
2235
|
|
|
|
2236
|
|
|
$j = 0; |
2237
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2238
|
|
|
$this->_putShort($value, $j * 2, $origValue[$j], $isBigEndian); |
2239
|
|
|
$j++; |
2240
|
|
|
} |
2241
|
|
|
|
2242
|
|
|
while ($j < $count) { |
2243
|
|
|
$this->_putShort($value, $j * 2, 0, $isBigEndian); |
2244
|
|
|
$j++; |
2245
|
|
|
} |
2246
|
|
|
break; |
2247
|
|
|
case 9: // SLONG |
2248
|
|
|
if ($count == 0) { |
2249
|
|
|
$count = $origCount; |
2250
|
|
|
} |
2251
|
|
|
|
2252
|
|
|
$j = 0; |
2253
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2254
|
|
|
$this->_putLong($value, $j * 4, $origValue[$j], $isBigEndian); |
2255
|
|
|
$j++; |
2256
|
|
|
} |
2257
|
|
|
|
2258
|
|
|
while ($j < $count) { |
2259
|
|
|
$this->_putLong($value, $j * 4, 0, $isBigEndian); |
2260
|
|
|
$j++; |
2261
|
|
|
} |
2262
|
|
|
break; |
2263
|
|
|
case 10: // SRATIONAL |
2264
|
|
|
if ($count == 0) { |
2265
|
|
|
$count = $origCount; |
2266
|
|
|
} |
2267
|
|
|
|
2268
|
|
|
$j = 0; |
2269
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2270
|
|
|
$v = $origValue[$j]; |
2271
|
|
|
if (is_array($v)) { |
2272
|
|
|
$a = $v['num']; |
2273
|
|
|
$b = $v['den']; |
2274
|
|
|
} |
2275
|
|
|
else { |
2276
|
|
|
$a = 0; |
2277
|
|
|
$b = 0; |
2278
|
|
|
// TODO: Allow other types and convert them |
2279
|
|
|
} |
2280
|
|
|
|
2281
|
|
|
$this->_putLong($value, $j * 8, $a, $isBigEndian); |
2282
|
|
|
$this->_putLong($value, ($j * 8) + 4, $b, $isBigEndian); |
2283
|
|
|
$j++; |
2284
|
|
|
} |
2285
|
|
|
|
2286
|
|
|
while ($j < $count) { |
2287
|
|
|
$this->_putLong($value, $j * 8, 0, $isBigEndian); |
2288
|
|
|
$this->_putLong($value, ($j * 8) + 4, 0, $isBigEndian); |
2289
|
|
|
$j++; |
2290
|
|
|
} |
2291
|
|
|
break; |
2292
|
|
|
case 11: // FLOAT |
2293
|
|
|
if ($count == 0) { |
2294
|
|
|
$count = $origCount; |
2295
|
|
|
} |
2296
|
|
|
|
2297
|
|
|
$j = 0; |
2298
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2299
|
|
|
$v = strval($origValue[$j]); |
2300
|
|
|
if (strlen($v) > 4) { |
2301
|
|
|
$v = substr($v, 0, 4); |
2302
|
|
|
} |
2303
|
|
|
elseif (strlen($v) < 4) { |
2304
|
|
|
$v = str_pad($v, 4, "\0"); |
2305
|
|
|
} |
2306
|
|
|
$this->_putString($value, $j * 4, $v); |
2307
|
|
|
$j++; |
2308
|
|
|
} |
2309
|
|
|
|
2310
|
|
|
while ($j < $count) { |
2311
|
|
|
$v = "\0\0\0\0"; |
2312
|
|
|
$this->_putString($value, $j * 4, $v); |
2313
|
|
|
$j++; |
2314
|
|
|
} |
2315
|
|
|
break; |
2316
|
|
|
case 12: // DFLOAT |
2317
|
|
|
if ($count == 0) { |
2318
|
|
|
$count = $origCount; |
2319
|
|
|
} |
2320
|
|
|
|
2321
|
|
|
$j = 0; |
2322
|
|
|
while (($j < $count) && ($j < $origCount)) { |
2323
|
|
|
$v = strval($origValue[$j]); |
2324
|
|
|
if (strlen($v) > 8) { |
2325
|
|
|
$v = substr($v, 0, 8); |
2326
|
|
|
} |
2327
|
|
|
elseif (strlen($v) < 8) { |
2328
|
|
|
$v = str_pad($v, 8, "\0"); |
2329
|
|
|
} |
2330
|
|
|
$this->_putString($value, $j * 8, $v); |
2331
|
|
|
$j++; |
2332
|
|
|
} |
2333
|
|
|
|
2334
|
|
|
while ($j < $count) { |
2335
|
|
|
$v = "\0\0\0\0\0\0\0\0"; |
2336
|
|
|
$this->_putString($value, $j * 8, $v); |
2337
|
|
|
$j++; |
2338
|
|
|
} |
2339
|
|
|
break; |
2340
|
|
|
default: |
2341
|
|
|
$value = null; |
2342
|
|
|
break; |
2343
|
|
|
} |
2344
|
|
|
} |
2345
|
|
|
|
2346
|
|
|
if ($value != null) { |
2347
|
|
|
$ifdEntries[$entryCount] = array(); |
2348
|
|
|
$ifdEntries[$entryCount]['tag'] = $tag; |
2349
|
|
|
$ifdEntries[$entryCount]['type'] = $type; |
2350
|
|
|
$ifdEntries[$entryCount]['count'] = $count; |
2351
|
|
|
$ifdEntries[$entryCount]['value'] = $value; |
2352
|
|
|
|
2353
|
|
|
$entryCount++; |
2354
|
|
|
} |
2355
|
|
|
} |
2356
|
|
|
|
2357
|
|
|
return $ifdEntries; |
2358
|
|
|
} |
2359
|
|
|
|
2360
|
|
|
/*************************************************************/ |
2361
|
|
|
function _parseMarkerAdobe() { |
|
|
|
|
2362
|
|
|
if (!isset($this->_markers)) { |
2363
|
|
|
$this->_readJPEG(); |
2364
|
|
|
} |
2365
|
|
|
|
2366
|
|
|
if ($this->_markers == null) { |
2367
|
|
|
return false; |
2368
|
|
|
} |
2369
|
|
|
|
2370
|
|
|
$data = null; |
2371
|
|
|
$count = count($this->_markers); |
2372
|
|
|
for ($i = 0; $i < $count; $i++) { |
2373
|
|
|
if ($this->_markers[$i]['marker'] == 0xED) { |
2374
|
|
|
$signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 14); |
2375
|
|
|
if ($signature == "Photoshop 3.0\0") { |
2376
|
|
|
$data =& $this->_markers[$i]['data']; |
2377
|
|
|
break; |
2378
|
|
|
} |
2379
|
|
|
} |
2380
|
|
|
} |
2381
|
|
|
|
2382
|
|
|
if ($data == null) { |
2383
|
|
|
$this->_info['adobe'] = false; |
2384
|
|
|
$this->_info['iptc'] = false; |
2385
|
|
|
return false; |
2386
|
|
|
} |
2387
|
|
|
$pos = 14; |
2388
|
|
|
$this->_info['adobe'] = array(); |
2389
|
|
|
$this->_info['adobe']['raw'] = array(); |
2390
|
|
|
$this->_info['iptc'] = array(); |
2391
|
|
|
|
2392
|
|
|
$datasize = strlen($data); |
2393
|
|
|
|
2394
|
|
|
while ($pos < $datasize) { |
2395
|
|
|
$signature = $this->_getFixedString($data, $pos, 4); |
2396
|
|
|
if ($signature != '8BIM') |
2397
|
|
|
return false; |
2398
|
|
|
$pos += 4; |
2399
|
|
|
|
2400
|
|
|
$type = $this->_getShort($data, $pos); |
2401
|
|
|
$pos += 2; |
2402
|
|
|
|
2403
|
|
|
$strlen = $this->_getByte($data, $pos); |
2404
|
|
|
$pos += 1; |
2405
|
|
|
$header = ''; |
2406
|
|
|
for ($i = 0; $i < $strlen; $i++) { |
2407
|
|
|
$header .= $data[$pos + $i]; |
2408
|
|
|
} |
2409
|
|
|
$pos += $strlen + 1 - ($strlen % 2); // The string is padded to even length, counting the length byte itself |
2410
|
|
|
|
2411
|
|
|
$length = $this->_getLong($data, $pos); |
2412
|
|
|
$pos += 4; |
2413
|
|
|
|
2414
|
|
|
$basePos = $pos; |
2415
|
|
|
|
2416
|
|
|
switch ($type) { |
2417
|
|
|
case 0x0404: // Caption (IPTC Data) |
2418
|
|
|
$pos = $this->_readIPTC($data, $pos); |
2419
|
|
|
if ($pos == false) |
|
|
|
|
2420
|
|
|
return false; |
2421
|
|
|
break; |
2422
|
|
|
case 0x040A: // CopyrightFlag |
2423
|
|
|
$this->_info['adobe']['CopyrightFlag'] = $this->_getByte($data, $pos); |
2424
|
|
|
$pos += $length; |
2425
|
|
|
break; |
2426
|
|
|
case 0x040B: // ImageURL |
2427
|
|
|
$this->_info['adobe']['ImageURL'] = $this->_getFixedString($data, $pos, $length); |
2428
|
|
|
$pos += $length; |
2429
|
|
|
break; |
2430
|
|
|
case 0x040C: // Thumbnail |
2431
|
|
|
$aux = $this->_getLong($data, $pos); |
2432
|
|
|
$pos += 4; |
2433
|
|
|
if ($aux == 1) { |
2434
|
|
|
$this->_info['adobe']['ThumbnailWidth'] = $this->_getLong($data, $pos); |
2435
|
|
|
$pos += 4; |
2436
|
|
|
$this->_info['adobe']['ThumbnailHeight'] = $this->_getLong($data, $pos); |
2437
|
|
|
$pos += 4; |
2438
|
|
|
|
2439
|
|
|
$pos += 16; // Skip some data |
2440
|
|
|
|
2441
|
|
|
$this->_info['adobe']['ThumbnailData'] = $this->_getFixedString($data, $pos, $length - 28); |
2442
|
|
|
$pos += $length - 28; |
2443
|
|
|
} |
2444
|
|
|
break; |
2445
|
|
|
default: |
2446
|
|
|
break; |
2447
|
|
|
} |
2448
|
|
|
|
2449
|
|
|
// We save all blocks, even those we recognized |
2450
|
|
|
$label = sprintf('8BIM_0x%04x', $type); |
2451
|
|
|
$this->_info['adobe']['raw'][$label] = array(); |
2452
|
|
|
$this->_info['adobe']['raw'][$label]['type'] = $type; |
2453
|
|
|
$this->_info['adobe']['raw'][$label]['header'] = $header; |
2454
|
|
|
$this->_info['adobe']['raw'][$label]['data'] =& $this->_getFixedString($data, $basePos, $length); |
2455
|
|
|
|
2456
|
|
|
$pos = $basePos + $length + ($length % 2); // Even padding |
2457
|
|
|
} |
2458
|
|
|
|
2459
|
|
|
} |
2460
|
|
|
|
2461
|
|
|
/*************************************************************/ |
2462
|
|
|
function _readIPTC(&$data, $pos = 0) { |
|
|
|
|
2463
|
|
|
$totalLength = strlen($data); |
2464
|
|
|
|
2465
|
|
|
$IPTCTags = $this->_iptcTagNames(); |
2466
|
|
|
|
2467
|
|
|
while ($pos < ($totalLength - 5)) { |
2468
|
|
|
$signature = $this->_getShort($data, $pos); |
2469
|
|
|
if ($signature != 0x1C02) |
2470
|
|
|
return $pos; |
2471
|
|
|
$pos += 2; |
2472
|
|
|
|
2473
|
|
|
$type = $this->_getByte($data, $pos); |
2474
|
|
|
$pos += 1; |
2475
|
|
|
$length = $this->_getShort($data, $pos); |
2476
|
|
|
$pos += 2; |
2477
|
|
|
|
2478
|
|
|
$basePos = $pos; |
2479
|
|
|
$label = ''; |
|
|
|
|
2480
|
|
|
|
2481
|
|
|
if (isset($IPTCTags[$type])) { |
2482
|
|
|
$label = $IPTCTags[$type]; |
2483
|
|
|
} else { |
2484
|
|
|
$label = sprintf('IPTC_0x%02x', $type); |
2485
|
|
|
} |
2486
|
|
|
|
2487
|
|
|
if ($label != '') { |
2488
|
|
|
if (isset($this->_info['iptc'][$label])) { |
2489
|
|
|
if (!is_array($this->_info['iptc'][$label])) { |
2490
|
|
|
$aux = array(); |
2491
|
|
|
$aux[0] = $this->_info['iptc'][$label]; |
2492
|
|
|
$this->_info['iptc'][$label] = $aux; |
2493
|
|
|
} |
2494
|
|
|
$this->_info['iptc'][$label][ count($this->_info['iptc'][$label]) ] = $this->_getFixedString($data, $pos, $length); |
2495
|
|
|
} else { |
2496
|
|
|
$this->_info['iptc'][$label] = $this->_getFixedString($data, $pos, $length); |
2497
|
|
|
} |
2498
|
|
|
} |
2499
|
|
|
|
2500
|
|
|
$pos = $basePos + $length; // No padding |
2501
|
|
|
} |
2502
|
|
|
return $pos; |
2503
|
|
|
} |
2504
|
|
|
|
2505
|
|
|
/*************************************************************/ |
2506
|
|
|
function & _createMarkerAdobe() { |
2507
|
|
|
if (isset($this->_info['iptc'])) { |
2508
|
|
|
if (!isset($this->_info['adobe'])) { |
2509
|
|
|
$this->_info['adobe'] = array(); |
2510
|
|
|
} |
2511
|
|
|
if (!isset($this->_info['adobe']['raw'])) { |
2512
|
|
|
$this->_info['adobe']['raw'] = array(); |
2513
|
|
|
} |
2514
|
|
|
if (!isset($this->_info['adobe']['raw']['8BIM_0x0404'])) { |
2515
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404'] = array(); |
2516
|
|
|
} |
2517
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404']['type'] = 0x0404; |
2518
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404']['header'] = "Caption"; |
2519
|
|
|
$this->_info['adobe']['raw']['8BIM_0x0404']['data'] =& $this->_writeIPTC(); |
2520
|
|
|
} |
2521
|
|
|
|
2522
|
|
|
if (isset($this->_info['adobe']['raw']) && (count($this->_info['adobe']['raw']) > 0)) { |
2523
|
|
|
$data = "Photoshop 3.0\0"; |
2524
|
|
|
$pos = 14; |
2525
|
|
|
|
2526
|
|
|
reset($this->_info['adobe']['raw']); |
2527
|
|
|
foreach ($this->_info['adobe']['raw'] as $value){ |
2528
|
|
|
$pos = $this->_write8BIM( |
2529
|
|
|
$data, |
2530
|
|
|
$pos, |
2531
|
|
|
$value['type'], |
2532
|
|
|
$value['header'], |
2533
|
|
|
$value['data'] ); |
2534
|
|
|
} |
2535
|
|
|
} |
2536
|
|
|
|
2537
|
|
|
return $data; |
|
|
|
|
2538
|
|
|
} |
2539
|
|
|
|
2540
|
|
|
/*************************************************************/ |
2541
|
|
|
|
2542
|
|
|
/** |
2543
|
|
|
* @param mixed $data |
2544
|
|
|
* @param integer $pos |
2545
|
|
|
* |
2546
|
|
|
* @param string $type |
2547
|
|
|
* @param string $header |
2548
|
|
|
* @param mixed $value |
2549
|
|
|
* |
2550
|
|
|
* @return int|mixed |
2551
|
|
|
*/ |
2552
|
|
|
function _write8BIM(&$data, $pos, $type, $header, &$value) { |
|
|
|
|
2553
|
|
|
$signature = "8BIM"; |
2554
|
|
|
|
2555
|
|
|
$pos = $this->_putString($data, $pos, $signature); |
2556
|
|
|
$pos = $this->_putShort($data, $pos, $type); |
2557
|
|
|
|
2558
|
|
|
$len = strlen($header); |
2559
|
|
|
|
2560
|
|
|
$pos = $this->_putByte($data, $pos, $len); |
2561
|
|
|
$pos = $this->_putString($data, $pos, $header); |
2562
|
|
|
if (($len % 2) == 0) { // Even padding, including the length byte |
2563
|
|
|
$pos = $this->_putByte($data, $pos, 0); |
2564
|
|
|
} |
2565
|
|
|
|
2566
|
|
|
$len = strlen($value); |
2567
|
|
|
$pos = $this->_putLong($data, $pos, $len); |
2568
|
|
|
$pos = $this->_putString($data, $pos, $value); |
2569
|
|
|
if (($len % 2) != 0) { // Even padding |
2570
|
|
|
$pos = $this->_putByte($data, $pos, 0); |
2571
|
|
|
} |
2572
|
|
|
return $pos; |
2573
|
|
|
} |
2574
|
|
|
|
2575
|
|
|
/*************************************************************/ |
2576
|
|
|
function & _writeIPTC() { |
2577
|
|
|
$data = " "; |
2578
|
|
|
$pos = 0; |
2579
|
|
|
|
2580
|
|
|
$IPTCNames =& $this->_iptcNameTags(); |
2581
|
|
|
|
2582
|
|
|
foreach($this->_info['iptc'] as $label => $value) { |
2583
|
|
|
$value =& $this->_info['iptc'][$label]; |
2584
|
|
|
$type = -1; |
2585
|
|
|
|
2586
|
|
|
if (isset($IPTCNames[$label])) { |
2587
|
|
|
$type = $IPTCNames[$label]; |
2588
|
|
|
} |
2589
|
|
|
elseif (substr($label, 0, 7) == "IPTC_0x") { |
2590
|
|
|
$type = hexdec(substr($label, 7, 2)); |
2591
|
|
|
} |
2592
|
|
|
|
2593
|
|
|
if ($type != -1) { |
2594
|
|
|
if (is_array($value)) { |
2595
|
|
|
$vcnt = count($value); |
2596
|
|
|
for ($i = 0; $i < $vcnt; $i++) { |
2597
|
|
|
$pos = $this->_writeIPTCEntry($data, $pos, $type, $value[$i]); |
2598
|
|
|
} |
2599
|
|
|
} |
2600
|
|
|
else { |
2601
|
|
|
$pos = $this->_writeIPTCEntry($data, $pos, $type, $value); |
2602
|
|
|
} |
2603
|
|
|
} |
2604
|
|
|
} |
2605
|
|
|
|
2606
|
|
|
return $data; |
2607
|
|
|
} |
2608
|
|
|
|
2609
|
|
|
/*************************************************************/ |
2610
|
|
|
|
2611
|
|
|
/** |
2612
|
|
|
* @param mixed $data |
2613
|
|
|
* @param integer $pos |
2614
|
|
|
* |
2615
|
|
|
* @param string $type |
2616
|
|
|
* @param mixed $value |
2617
|
|
|
* |
2618
|
|
|
* @return int|mixed |
2619
|
|
|
*/ |
2620
|
|
|
function _writeIPTCEntry(&$data, $pos, $type, &$value) { |
|
|
|
|
2621
|
|
|
$pos = $this->_putShort($data, $pos, 0x1C02); |
2622
|
|
|
$pos = $this->_putByte($data, $pos, $type); |
2623
|
|
|
$pos = $this->_putShort($data, $pos, strlen($value)); |
2624
|
|
|
$pos = $this->_putString($data, $pos, $value); |
2625
|
|
|
|
2626
|
|
|
return $pos; |
2627
|
|
|
} |
2628
|
|
|
|
2629
|
|
|
/*************************************************************/ |
2630
|
|
|
function _exifTagNames($mode) { |
|
|
|
|
2631
|
|
|
$tags = array(); |
2632
|
|
|
|
2633
|
|
|
if ($mode == 'ifd0') { |
2634
|
|
|
$tags[0x010E] = 'ImageDescription'; |
2635
|
|
|
$tags[0x010F] = 'Make'; |
2636
|
|
|
$tags[0x0110] = 'Model'; |
2637
|
|
|
$tags[0x0112] = 'Orientation'; |
2638
|
|
|
$tags[0x011A] = 'XResolution'; |
2639
|
|
|
$tags[0x011B] = 'YResolution'; |
2640
|
|
|
$tags[0x0128] = 'ResolutionUnit'; |
2641
|
|
|
$tags[0x0131] = 'Software'; |
2642
|
|
|
$tags[0x0132] = 'DateTime'; |
2643
|
|
|
$tags[0x013B] = 'Artist'; |
2644
|
|
|
$tags[0x013E] = 'WhitePoint'; |
2645
|
|
|
$tags[0x013F] = 'PrimaryChromaticities'; |
2646
|
|
|
$tags[0x0211] = 'YCbCrCoefficients'; |
2647
|
|
|
$tags[0x0212] = 'YCbCrSubSampling'; |
2648
|
|
|
$tags[0x0213] = 'YCbCrPositioning'; |
2649
|
|
|
$tags[0x0214] = 'ReferenceBlackWhite'; |
2650
|
|
|
$tags[0x8298] = 'Copyright'; |
2651
|
|
|
$tags[0x8769] = 'ExifIFDOffset'; |
2652
|
|
|
$tags[0x8825] = 'GPSIFDOffset'; |
2653
|
|
|
} |
2654
|
|
|
if ($mode == 'ifd1') { |
2655
|
|
|
$tags[0x00FE] = 'TIFFNewSubfileType'; |
2656
|
|
|
$tags[0x00FF] = 'TIFFSubfileType'; |
2657
|
|
|
$tags[0x0100] = 'TIFFImageWidth'; |
2658
|
|
|
$tags[0x0101] = 'TIFFImageHeight'; |
2659
|
|
|
$tags[0x0102] = 'TIFFBitsPerSample'; |
2660
|
|
|
$tags[0x0103] = 'TIFFCompression'; |
2661
|
|
|
$tags[0x0106] = 'TIFFPhotometricInterpretation'; |
2662
|
|
|
$tags[0x0107] = 'TIFFThreshholding'; |
2663
|
|
|
$tags[0x0108] = 'TIFFCellWidth'; |
2664
|
|
|
$tags[0x0109] = 'TIFFCellLength'; |
2665
|
|
|
$tags[0x010A] = 'TIFFFillOrder'; |
2666
|
|
|
$tags[0x010E] = 'TIFFImageDescription'; |
2667
|
|
|
$tags[0x010F] = 'TIFFMake'; |
2668
|
|
|
$tags[0x0110] = 'TIFFModel'; |
2669
|
|
|
$tags[0x0111] = 'TIFFStripOffsets'; |
2670
|
|
|
$tags[0x0112] = 'TIFFOrientation'; |
2671
|
|
|
$tags[0x0115] = 'TIFFSamplesPerPixel'; |
2672
|
|
|
$tags[0x0116] = 'TIFFRowsPerStrip'; |
2673
|
|
|
$tags[0x0117] = 'TIFFStripByteCounts'; |
2674
|
|
|
$tags[0x0118] = 'TIFFMinSampleValue'; |
2675
|
|
|
$tags[0x0119] = 'TIFFMaxSampleValue'; |
2676
|
|
|
$tags[0x011A] = 'TIFFXResolution'; |
2677
|
|
|
$tags[0x011B] = 'TIFFYResolution'; |
2678
|
|
|
$tags[0x011C] = 'TIFFPlanarConfiguration'; |
2679
|
|
|
$tags[0x0122] = 'TIFFGrayResponseUnit'; |
2680
|
|
|
$tags[0x0123] = 'TIFFGrayResponseCurve'; |
2681
|
|
|
$tags[0x0128] = 'TIFFResolutionUnit'; |
2682
|
|
|
$tags[0x0131] = 'TIFFSoftware'; |
2683
|
|
|
$tags[0x0132] = 'TIFFDateTime'; |
2684
|
|
|
$tags[0x013B] = 'TIFFArtist'; |
2685
|
|
|
$tags[0x013C] = 'TIFFHostComputer'; |
2686
|
|
|
$tags[0x0140] = 'TIFFColorMap'; |
2687
|
|
|
$tags[0x0152] = 'TIFFExtraSamples'; |
2688
|
|
|
$tags[0x0201] = 'TIFFJFIFOffset'; |
2689
|
|
|
$tags[0x0202] = 'TIFFJFIFLength'; |
2690
|
|
|
$tags[0x0211] = 'TIFFYCbCrCoefficients'; |
2691
|
|
|
$tags[0x0212] = 'TIFFYCbCrSubSampling'; |
2692
|
|
|
$tags[0x0213] = 'TIFFYCbCrPositioning'; |
2693
|
|
|
$tags[0x0214] = 'TIFFReferenceBlackWhite'; |
2694
|
|
|
$tags[0x8298] = 'TIFFCopyright'; |
2695
|
|
|
$tags[0x9286] = 'TIFFUserComment'; |
2696
|
|
|
} elseif ($mode == 'exif') { |
2697
|
|
|
$tags[0x829A] = 'ExposureTime'; |
2698
|
|
|
$tags[0x829D] = 'FNumber'; |
2699
|
|
|
$tags[0x8822] = 'ExposureProgram'; |
2700
|
|
|
$tags[0x8824] = 'SpectralSensitivity'; |
2701
|
|
|
$tags[0x8827] = 'ISOSpeedRatings'; |
2702
|
|
|
$tags[0x8828] = 'OECF'; |
2703
|
|
|
$tags[0x9000] = 'EXIFVersion'; |
2704
|
|
|
$tags[0x9003] = 'DateTimeOriginal'; |
2705
|
|
|
$tags[0x9004] = 'DateTimeDigitized'; |
2706
|
|
|
$tags[0x9101] = 'ComponentsConfiguration'; |
2707
|
|
|
$tags[0x9102] = 'CompressedBitsPerPixel'; |
2708
|
|
|
$tags[0x9201] = 'ShutterSpeedValue'; |
2709
|
|
|
$tags[0x9202] = 'ApertureValue'; |
2710
|
|
|
$tags[0x9203] = 'BrightnessValue'; |
2711
|
|
|
$tags[0x9204] = 'ExposureBiasValue'; |
2712
|
|
|
$tags[0x9205] = 'MaxApertureValue'; |
2713
|
|
|
$tags[0x9206] = 'SubjectDistance'; |
2714
|
|
|
$tags[0x9207] = 'MeteringMode'; |
2715
|
|
|
$tags[0x9208] = 'LightSource'; |
2716
|
|
|
$tags[0x9209] = 'Flash'; |
2717
|
|
|
$tags[0x920A] = 'FocalLength'; |
2718
|
|
|
$tags[0x927C] = 'MakerNote'; |
2719
|
|
|
$tags[0x9286] = 'UserComment'; |
2720
|
|
|
$tags[0x9290] = 'SubSecTime'; |
2721
|
|
|
$tags[0x9291] = 'SubSecTimeOriginal'; |
2722
|
|
|
$tags[0x9292] = 'SubSecTimeDigitized'; |
2723
|
|
|
$tags[0xA000] = 'FlashPixVersion'; |
2724
|
|
|
$tags[0xA001] = 'ColorSpace'; |
2725
|
|
|
$tags[0xA002] = 'PixelXDimension'; |
2726
|
|
|
$tags[0xA003] = 'PixelYDimension'; |
2727
|
|
|
$tags[0xA004] = 'RelatedSoundFile'; |
2728
|
|
|
$tags[0xA005] = 'InteropIFDOffset'; |
2729
|
|
|
$tags[0xA20B] = 'FlashEnergy'; |
2730
|
|
|
$tags[0xA20C] = 'SpatialFrequencyResponse'; |
2731
|
|
|
$tags[0xA20E] = 'FocalPlaneXResolution'; |
2732
|
|
|
$tags[0xA20F] = 'FocalPlaneYResolution'; |
2733
|
|
|
$tags[0xA210] = 'FocalPlaneResolutionUnit'; |
2734
|
|
|
$tags[0xA214] = 'SubjectLocation'; |
2735
|
|
|
$tags[0xA215] = 'ExposureIndex'; |
2736
|
|
|
$tags[0xA217] = 'SensingMethod'; |
2737
|
|
|
$tags[0xA300] = 'FileSource'; |
2738
|
|
|
$tags[0xA301] = 'SceneType'; |
2739
|
|
|
$tags[0xA302] = 'CFAPattern'; |
2740
|
|
|
} elseif ($mode == 'interop') { |
2741
|
|
|
$tags[0x0001] = 'InteroperabilityIndex'; |
2742
|
|
|
$tags[0x0002] = 'InteroperabilityVersion'; |
2743
|
|
|
$tags[0x1000] = 'RelatedImageFileFormat'; |
2744
|
|
|
$tags[0x1001] = 'RelatedImageWidth'; |
2745
|
|
|
$tags[0x1002] = 'RelatedImageLength'; |
2746
|
|
|
} elseif ($mode == 'gps') { |
2747
|
|
|
$tags[0x0000] = 'GPSVersionID'; |
2748
|
|
|
$tags[0x0001] = 'GPSLatitudeRef'; |
2749
|
|
|
$tags[0x0002] = 'GPSLatitude'; |
2750
|
|
|
$tags[0x0003] = 'GPSLongitudeRef'; |
2751
|
|
|
$tags[0x0004] = 'GPSLongitude'; |
2752
|
|
|
$tags[0x0005] = 'GPSAltitudeRef'; |
2753
|
|
|
$tags[0x0006] = 'GPSAltitude'; |
2754
|
|
|
$tags[0x0007] = 'GPSTimeStamp'; |
2755
|
|
|
$tags[0x0008] = 'GPSSatellites'; |
2756
|
|
|
$tags[0x0009] = 'GPSStatus'; |
2757
|
|
|
$tags[0x000A] = 'GPSMeasureMode'; |
2758
|
|
|
$tags[0x000B] = 'GPSDOP'; |
2759
|
|
|
$tags[0x000C] = 'GPSSpeedRef'; |
2760
|
|
|
$tags[0x000D] = 'GPSSpeed'; |
2761
|
|
|
$tags[0x000E] = 'GPSTrackRef'; |
2762
|
|
|
$tags[0x000F] = 'GPSTrack'; |
2763
|
|
|
$tags[0x0010] = 'GPSImgDirectionRef'; |
2764
|
|
|
$tags[0x0011] = 'GPSImgDirection'; |
2765
|
|
|
$tags[0x0012] = 'GPSMapDatum'; |
2766
|
|
|
$tags[0x0013] = 'GPSDestLatitudeRef'; |
2767
|
|
|
$tags[0x0014] = 'GPSDestLatitude'; |
2768
|
|
|
$tags[0x0015] = 'GPSDestLongitudeRef'; |
2769
|
|
|
$tags[0x0016] = 'GPSDestLongitude'; |
2770
|
|
|
$tags[0x0017] = 'GPSDestBearingRef'; |
2771
|
|
|
$tags[0x0018] = 'GPSDestBearing'; |
2772
|
|
|
$tags[0x0019] = 'GPSDestDistanceRef'; |
2773
|
|
|
$tags[0x001A] = 'GPSDestDistance'; |
2774
|
|
|
} |
2775
|
|
|
|
2776
|
|
|
return $tags; |
2777
|
|
|
} |
2778
|
|
|
|
2779
|
|
|
/*************************************************************/ |
2780
|
|
|
function _exifTagTypes($mode) { |
|
|
|
|
2781
|
|
|
$tags = array(); |
2782
|
|
|
|
2783
|
|
|
if ($mode == 'ifd0') { |
2784
|
|
|
$tags[0x010E] = array(2, 0); // ImageDescription -> ASCII, Any |
2785
|
|
|
$tags[0x010F] = array(2, 0); // Make -> ASCII, Any |
2786
|
|
|
$tags[0x0110] = array(2, 0); // Model -> ASCII, Any |
2787
|
|
|
$tags[0x0112] = array(3, 1); // Orientation -> SHORT, 1 |
2788
|
|
|
$tags[0x011A] = array(5, 1); // XResolution -> RATIONAL, 1 |
2789
|
|
|
$tags[0x011B] = array(5, 1); // YResolution -> RATIONAL, 1 |
2790
|
|
|
$tags[0x0128] = array(3, 1); // ResolutionUnit -> SHORT |
2791
|
|
|
$tags[0x0131] = array(2, 0); // Software -> ASCII, Any |
2792
|
|
|
$tags[0x0132] = array(2, 20); // DateTime -> ASCII, 20 |
2793
|
|
|
$tags[0x013B] = array(2, 0); // Artist -> ASCII, Any |
2794
|
|
|
$tags[0x013E] = array(5, 2); // WhitePoint -> RATIONAL, 2 |
2795
|
|
|
$tags[0x013F] = array(5, 6); // PrimaryChromaticities -> RATIONAL, 6 |
2796
|
|
|
$tags[0x0211] = array(5, 3); // YCbCrCoefficients -> RATIONAL, 3 |
2797
|
|
|
$tags[0x0212] = array(3, 2); // YCbCrSubSampling -> SHORT, 2 |
2798
|
|
|
$tags[0x0213] = array(3, 1); // YCbCrPositioning -> SHORT, 1 |
2799
|
|
|
$tags[0x0214] = array(5, 6); // ReferenceBlackWhite -> RATIONAL, 6 |
2800
|
|
|
$tags[0x8298] = array(2, 0); // Copyright -> ASCII, Any |
2801
|
|
|
$tags[0x8769] = array(4, 1); // ExifIFDOffset -> LONG, 1 |
2802
|
|
|
$tags[0x8825] = array(4, 1); // GPSIFDOffset -> LONG, 1 |
2803
|
|
|
} |
2804
|
|
|
if ($mode == 'ifd1') { |
2805
|
|
|
$tags[0x00FE] = array(4, 1); // TIFFNewSubfileType -> LONG, 1 |
2806
|
|
|
$tags[0x00FF] = array(3, 1); // TIFFSubfileType -> SHORT, 1 |
2807
|
|
|
$tags[0x0100] = array(4, 1); // TIFFImageWidth -> LONG (or SHORT), 1 |
2808
|
|
|
$tags[0x0101] = array(4, 1); // TIFFImageHeight -> LONG (or SHORT), 1 |
2809
|
|
|
$tags[0x0102] = array(3, 3); // TIFFBitsPerSample -> SHORT, 3 |
2810
|
|
|
$tags[0x0103] = array(3, 1); // TIFFCompression -> SHORT, 1 |
2811
|
|
|
$tags[0x0106] = array(3, 1); // TIFFPhotometricInterpretation -> SHORT, 1 |
2812
|
|
|
$tags[0x0107] = array(3, 1); // TIFFThreshholding -> SHORT, 1 |
2813
|
|
|
$tags[0x0108] = array(3, 1); // TIFFCellWidth -> SHORT, 1 |
2814
|
|
|
$tags[0x0109] = array(3, 1); // TIFFCellLength -> SHORT, 1 |
2815
|
|
|
$tags[0x010A] = array(3, 1); // TIFFFillOrder -> SHORT, 1 |
2816
|
|
|
$tags[0x010E] = array(2, 0); // TIFFImageDescription -> ASCII, Any |
2817
|
|
|
$tags[0x010F] = array(2, 0); // TIFFMake -> ASCII, Any |
2818
|
|
|
$tags[0x0110] = array(2, 0); // TIFFModel -> ASCII, Any |
2819
|
|
|
$tags[0x0111] = array(4, 0); // TIFFStripOffsets -> LONG (or SHORT), Any (one per strip) |
2820
|
|
|
$tags[0x0112] = array(3, 1); // TIFFOrientation -> SHORT, 1 |
2821
|
|
|
$tags[0x0115] = array(3, 1); // TIFFSamplesPerPixel -> SHORT, 1 |
2822
|
|
|
$tags[0x0116] = array(4, 1); // TIFFRowsPerStrip -> LONG (or SHORT), 1 |
2823
|
|
|
$tags[0x0117] = array(4, 0); // TIFFStripByteCounts -> LONG (or SHORT), Any (one per strip) |
2824
|
|
|
$tags[0x0118] = array(3, 0); // TIFFMinSampleValue -> SHORT, Any (SamplesPerPixel) |
2825
|
|
|
$tags[0x0119] = array(3, 0); // TIFFMaxSampleValue -> SHORT, Any (SamplesPerPixel) |
2826
|
|
|
$tags[0x011A] = array(5, 1); // TIFFXResolution -> RATIONAL, 1 |
2827
|
|
|
$tags[0x011B] = array(5, 1); // TIFFYResolution -> RATIONAL, 1 |
2828
|
|
|
$tags[0x011C] = array(3, 1); // TIFFPlanarConfiguration -> SHORT, 1 |
2829
|
|
|
$tags[0x0122] = array(3, 1); // TIFFGrayResponseUnit -> SHORT, 1 |
2830
|
|
|
$tags[0x0123] = array(3, 0); // TIFFGrayResponseCurve -> SHORT, Any (2^BitsPerSample) |
2831
|
|
|
$tags[0x0128] = array(3, 1); // TIFFResolutionUnit -> SHORT, 1 |
2832
|
|
|
$tags[0x0131] = array(2, 0); // TIFFSoftware -> ASCII, Any |
2833
|
|
|
$tags[0x0132] = array(2, 20); // TIFFDateTime -> ASCII, 20 |
2834
|
|
|
$tags[0x013B] = array(2, 0); // TIFFArtist -> ASCII, Any |
2835
|
|
|
$tags[0x013C] = array(2, 0); // TIFFHostComputer -> ASCII, Any |
2836
|
|
|
$tags[0x0140] = array(3, 0); // TIFFColorMap -> SHORT, Any (3 * 2^BitsPerSample) |
2837
|
|
|
$tags[0x0152] = array(3, 0); // TIFFExtraSamples -> SHORT, Any (SamplesPerPixel - 3) |
2838
|
|
|
$tags[0x0201] = array(4, 1); // TIFFJFIFOffset -> LONG, 1 |
2839
|
|
|
$tags[0x0202] = array(4, 1); // TIFFJFIFLength -> LONG, 1 |
2840
|
|
|
$tags[0x0211] = array(5, 3); // TIFFYCbCrCoefficients -> RATIONAL, 3 |
2841
|
|
|
$tags[0x0212] = array(3, 2); // TIFFYCbCrSubSampling -> SHORT, 2 |
2842
|
|
|
$tags[0x0213] = array(3, 1); // TIFFYCbCrPositioning -> SHORT, 1 |
2843
|
|
|
$tags[0x0214] = array(5, 6); // TIFFReferenceBlackWhite -> RATIONAL, 6 |
2844
|
|
|
$tags[0x8298] = array(2, 0); // TIFFCopyright -> ASCII, Any |
2845
|
|
|
$tags[0x9286] = array(2, 0); // TIFFUserComment -> ASCII, Any |
2846
|
|
|
} elseif ($mode == 'exif') { |
2847
|
|
|
$tags[0x829A] = array(5, 1); // ExposureTime -> RATIONAL, 1 |
2848
|
|
|
$tags[0x829D] = array(5, 1); // FNumber -> RATIONAL, 1 |
2849
|
|
|
$tags[0x8822] = array(3, 1); // ExposureProgram -> SHORT, 1 |
2850
|
|
|
$tags[0x8824] = array(2, 0); // SpectralSensitivity -> ASCII, Any |
2851
|
|
|
$tags[0x8827] = array(3, 0); // ISOSpeedRatings -> SHORT, Any |
2852
|
|
|
$tags[0x8828] = array(7, 0); // OECF -> UNDEFINED, Any |
2853
|
|
|
$tags[0x9000] = array(7, 4); // EXIFVersion -> UNDEFINED, 4 |
2854
|
|
|
$tags[0x9003] = array(2, 20); // DateTimeOriginal -> ASCII, 20 |
2855
|
|
|
$tags[0x9004] = array(2, 20); // DateTimeDigitized -> ASCII, 20 |
2856
|
|
|
$tags[0x9101] = array(7, 4); // ComponentsConfiguration -> UNDEFINED, 4 |
2857
|
|
|
$tags[0x9102] = array(5, 1); // CompressedBitsPerPixel -> RATIONAL, 1 |
2858
|
|
|
$tags[0x9201] = array(10, 1); // ShutterSpeedValue -> SRATIONAL, 1 |
2859
|
|
|
$tags[0x9202] = array(5, 1); // ApertureValue -> RATIONAL, 1 |
2860
|
|
|
$tags[0x9203] = array(10, 1); // BrightnessValue -> SRATIONAL, 1 |
2861
|
|
|
$tags[0x9204] = array(10, 1); // ExposureBiasValue -> SRATIONAL, 1 |
2862
|
|
|
$tags[0x9205] = array(5, 1); // MaxApertureValue -> RATIONAL, 1 |
2863
|
|
|
$tags[0x9206] = array(5, 1); // SubjectDistance -> RATIONAL, 1 |
2864
|
|
|
$tags[0x9207] = array(3, 1); // MeteringMode -> SHORT, 1 |
2865
|
|
|
$tags[0x9208] = array(3, 1); // LightSource -> SHORT, 1 |
2866
|
|
|
$tags[0x9209] = array(3, 1); // Flash -> SHORT, 1 |
2867
|
|
|
$tags[0x920A] = array(5, 1); // FocalLength -> RATIONAL, 1 |
2868
|
|
|
$tags[0x927C] = array(7, 0); // MakerNote -> UNDEFINED, Any |
2869
|
|
|
$tags[0x9286] = array(7, 0); // UserComment -> UNDEFINED, Any |
2870
|
|
|
$tags[0x9290] = array(2, 0); // SubSecTime -> ASCII, Any |
2871
|
|
|
$tags[0x9291] = array(2, 0); // SubSecTimeOriginal -> ASCII, Any |
2872
|
|
|
$tags[0x9292] = array(2, 0); // SubSecTimeDigitized -> ASCII, Any |
2873
|
|
|
$tags[0xA000] = array(7, 4); // FlashPixVersion -> UNDEFINED, 4 |
2874
|
|
|
$tags[0xA001] = array(3, 1); // ColorSpace -> SHORT, 1 |
2875
|
|
|
$tags[0xA002] = array(4, 1); // PixelXDimension -> LONG (or SHORT), 1 |
2876
|
|
|
$tags[0xA003] = array(4, 1); // PixelYDimension -> LONG (or SHORT), 1 |
2877
|
|
|
$tags[0xA004] = array(2, 13); // RelatedSoundFile -> ASCII, 13 |
2878
|
|
|
$tags[0xA005] = array(4, 1); // InteropIFDOffset -> LONG, 1 |
2879
|
|
|
$tags[0xA20B] = array(5, 1); // FlashEnergy -> RATIONAL, 1 |
2880
|
|
|
$tags[0xA20C] = array(7, 0); // SpatialFrequencyResponse -> UNDEFINED, Any |
2881
|
|
|
$tags[0xA20E] = array(5, 1); // FocalPlaneXResolution -> RATIONAL, 1 |
2882
|
|
|
$tags[0xA20F] = array(5, 1); // FocalPlaneYResolution -> RATIONAL, 1 |
2883
|
|
|
$tags[0xA210] = array(3, 1); // FocalPlaneResolutionUnit -> SHORT, 1 |
2884
|
|
|
$tags[0xA214] = array(3, 2); // SubjectLocation -> SHORT, 2 |
2885
|
|
|
$tags[0xA215] = array(5, 1); // ExposureIndex -> RATIONAL, 1 |
2886
|
|
|
$tags[0xA217] = array(3, 1); // SensingMethod -> SHORT, 1 |
2887
|
|
|
$tags[0xA300] = array(7, 1); // FileSource -> UNDEFINED, 1 |
2888
|
|
|
$tags[0xA301] = array(7, 1); // SceneType -> UNDEFINED, 1 |
2889
|
|
|
$tags[0xA302] = array(7, 0); // CFAPattern -> UNDEFINED, Any |
2890
|
|
|
} elseif ($mode == 'interop') { |
2891
|
|
|
$tags[0x0001] = array(2, 0); // InteroperabilityIndex -> ASCII, Any |
2892
|
|
|
$tags[0x0002] = array(7, 4); // InteroperabilityVersion -> UNKNOWN, 4 |
2893
|
|
|
$tags[0x1000] = array(2, 0); // RelatedImageFileFormat -> ASCII, Any |
2894
|
|
|
$tags[0x1001] = array(4, 1); // RelatedImageWidth -> LONG (or SHORT), 1 |
2895
|
|
|
$tags[0x1002] = array(4, 1); // RelatedImageLength -> LONG (or SHORT), 1 |
2896
|
|
|
} elseif ($mode == 'gps') { |
2897
|
|
|
$tags[0x0000] = array(1, 4); // GPSVersionID -> BYTE, 4 |
2898
|
|
|
$tags[0x0001] = array(2, 2); // GPSLatitudeRef -> ASCII, 2 |
2899
|
|
|
$tags[0x0002] = array(5, 3); // GPSLatitude -> RATIONAL, 3 |
2900
|
|
|
$tags[0x0003] = array(2, 2); // GPSLongitudeRef -> ASCII, 2 |
2901
|
|
|
$tags[0x0004] = array(5, 3); // GPSLongitude -> RATIONAL, 3 |
2902
|
|
|
$tags[0x0005] = array(2, 2); // GPSAltitudeRef -> ASCII, 2 |
2903
|
|
|
$tags[0x0006] = array(5, 1); // GPSAltitude -> RATIONAL, 1 |
2904
|
|
|
$tags[0x0007] = array(5, 3); // GPSTimeStamp -> RATIONAL, 3 |
2905
|
|
|
$tags[0x0008] = array(2, 0); // GPSSatellites -> ASCII, Any |
2906
|
|
|
$tags[0x0009] = array(2, 2); // GPSStatus -> ASCII, 2 |
2907
|
|
|
$tags[0x000A] = array(2, 2); // GPSMeasureMode -> ASCII, 2 |
2908
|
|
|
$tags[0x000B] = array(5, 1); // GPSDOP -> RATIONAL, 1 |
2909
|
|
|
$tags[0x000C] = array(2, 2); // GPSSpeedRef -> ASCII, 2 |
2910
|
|
|
$tags[0x000D] = array(5, 1); // GPSSpeed -> RATIONAL, 1 |
2911
|
|
|
$tags[0x000E] = array(2, 2); // GPSTrackRef -> ASCII, 2 |
2912
|
|
|
$tags[0x000F] = array(5, 1); // GPSTrack -> RATIONAL, 1 |
2913
|
|
|
$tags[0x0010] = array(2, 2); // GPSImgDirectionRef -> ASCII, 2 |
2914
|
|
|
$tags[0x0011] = array(5, 1); // GPSImgDirection -> RATIONAL, 1 |
2915
|
|
|
$tags[0x0012] = array(2, 0); // GPSMapDatum -> ASCII, Any |
2916
|
|
|
$tags[0x0013] = array(2, 2); // GPSDestLatitudeRef -> ASCII, 2 |
2917
|
|
|
$tags[0x0014] = array(5, 3); // GPSDestLatitude -> RATIONAL, 3 |
2918
|
|
|
$tags[0x0015] = array(2, 2); // GPSDestLongitudeRef -> ASCII, 2 |
2919
|
|
|
$tags[0x0016] = array(5, 3); // GPSDestLongitude -> RATIONAL, 3 |
2920
|
|
|
$tags[0x0017] = array(2, 2); // GPSDestBearingRef -> ASCII, 2 |
2921
|
|
|
$tags[0x0018] = array(5, 1); // GPSDestBearing -> RATIONAL, 1 |
2922
|
|
|
$tags[0x0019] = array(2, 2); // GPSDestDistanceRef -> ASCII, 2 |
2923
|
|
|
$tags[0x001A] = array(5, 1); // GPSDestDistance -> RATIONAL, 1 |
2924
|
|
|
} |
2925
|
|
|
|
2926
|
|
|
return $tags; |
2927
|
|
|
} |
2928
|
|
|
|
2929
|
|
|
/*************************************************************/ |
2930
|
|
|
function _exifNameTags($mode) { |
|
|
|
|
2931
|
|
|
$tags = $this->_exifTagNames($mode); |
2932
|
|
|
return $this->_names2Tags($tags); |
2933
|
|
|
} |
2934
|
|
|
|
2935
|
|
|
/*************************************************************/ |
2936
|
|
|
function _iptcTagNames() { |
|
|
|
|
2937
|
|
|
$tags = array(); |
2938
|
|
|
$tags[0x14] = 'SuplementalCategories'; |
2939
|
|
|
$tags[0x19] = 'Keywords'; |
2940
|
|
|
$tags[0x78] = 'Caption'; |
2941
|
|
|
$tags[0x7A] = 'CaptionWriter'; |
2942
|
|
|
$tags[0x69] = 'Headline'; |
2943
|
|
|
$tags[0x28] = 'SpecialInstructions'; |
2944
|
|
|
$tags[0x0F] = 'Category'; |
2945
|
|
|
$tags[0x50] = 'Byline'; |
2946
|
|
|
$tags[0x55] = 'BylineTitle'; |
2947
|
|
|
$tags[0x6E] = 'Credit'; |
2948
|
|
|
$tags[0x73] = 'Source'; |
2949
|
|
|
$tags[0x74] = 'CopyrightNotice'; |
2950
|
|
|
$tags[0x05] = 'ObjectName'; |
2951
|
|
|
$tags[0x5A] = 'City'; |
2952
|
|
|
$tags[0x5C] = 'Sublocation'; |
2953
|
|
|
$tags[0x5F] = 'ProvinceState'; |
2954
|
|
|
$tags[0x65] = 'CountryName'; |
2955
|
|
|
$tags[0x67] = 'OriginalTransmissionReference'; |
2956
|
|
|
$tags[0x37] = 'DateCreated'; |
2957
|
|
|
$tags[0x0A] = 'CopyrightFlag'; |
2958
|
|
|
|
2959
|
|
|
return $tags; |
2960
|
|
|
} |
2961
|
|
|
|
2962
|
|
|
/*************************************************************/ |
2963
|
|
|
function & _iptcNameTags() { |
2964
|
|
|
$tags = $this->_iptcTagNames(); |
2965
|
|
|
return $this->_names2Tags($tags); |
2966
|
|
|
} |
2967
|
|
|
|
2968
|
|
|
/*************************************************************/ |
2969
|
|
|
function _names2Tags($tags2Names) { |
|
|
|
|
2970
|
|
|
$names2Tags = array(); |
2971
|
|
|
|
2972
|
|
|
foreach($tags2Names as $tag => $name) { |
2973
|
|
|
$names2Tags[$name] = $tag; |
2974
|
|
|
} |
2975
|
|
|
|
2976
|
|
|
return $names2Tags; |
2977
|
|
|
} |
2978
|
|
|
|
2979
|
|
|
/*************************************************************/ |
2980
|
|
|
|
2981
|
|
|
/** |
2982
|
|
|
* @param $data |
2983
|
|
|
* @param integer $pos |
2984
|
|
|
* |
2985
|
|
|
* @return int |
2986
|
|
|
*/ |
2987
|
|
|
function _getByte(&$data, $pos) { |
|
|
|
|
2988
|
|
|
return ord($data[$pos]); |
2989
|
|
|
} |
2990
|
|
|
|
2991
|
|
|
/*************************************************************/ |
2992
|
|
|
|
2993
|
|
|
/** |
2994
|
|
|
* @param mixed $data |
2995
|
|
|
* @param integer $pos |
2996
|
|
|
* |
2997
|
|
|
* @param mixed $val |
2998
|
|
|
* |
2999
|
|
|
* @return int |
3000
|
|
|
*/ |
3001
|
|
|
function _putByte(&$data, $pos, $val) { |
|
|
|
|
3002
|
|
|
$val = intval($val); |
3003
|
|
|
|
3004
|
|
|
$data[$pos] = chr($val); |
3005
|
|
|
|
3006
|
|
|
return $pos + 1; |
3007
|
|
|
} |
3008
|
|
|
|
3009
|
|
|
/*************************************************************/ |
3010
|
|
|
function _getShort(&$data, $pos, $bigEndian = true) { |
|
|
|
|
3011
|
|
|
if ($bigEndian) { |
3012
|
|
|
return (ord($data[$pos]) << 8) |
3013
|
|
|
+ ord($data[$pos + 1]); |
3014
|
|
|
} else { |
3015
|
|
|
return ord($data[$pos]) |
3016
|
|
|
+ (ord($data[$pos + 1]) << 8); |
3017
|
|
|
} |
3018
|
|
|
} |
3019
|
|
|
|
3020
|
|
|
/*************************************************************/ |
3021
|
|
|
function _putShort(&$data, $pos = 0, $val = 0, $bigEndian = true) { |
|
|
|
|
3022
|
|
|
$val = intval($val); |
3023
|
|
|
|
3024
|
|
|
if ($bigEndian) { |
3025
|
|
|
$data[$pos + 0] = chr(($val & 0x0000FF00) >> 8); |
3026
|
|
|
$data[$pos + 1] = chr(($val & 0x000000FF) >> 0); |
3027
|
|
|
} else { |
3028
|
|
|
$data[$pos + 0] = chr(($val & 0x00FF) >> 0); |
3029
|
|
|
$data[$pos + 1] = chr(($val & 0xFF00) >> 8); |
3030
|
|
|
} |
3031
|
|
|
|
3032
|
|
|
return $pos + 2; |
3033
|
|
|
} |
3034
|
|
|
|
3035
|
|
|
/*************************************************************/ |
3036
|
|
|
|
3037
|
|
|
/** |
3038
|
|
|
* @param mixed $data |
3039
|
|
|
* @param integer $pos |
3040
|
|
|
* |
3041
|
|
|
* @param bool $bigEndian |
3042
|
|
|
* |
3043
|
|
|
* @return int |
3044
|
|
|
*/ |
3045
|
|
|
function _getLong(&$data, $pos, $bigEndian = true) { |
|
|
|
|
3046
|
|
|
if ($bigEndian) { |
3047
|
|
|
return (ord($data[$pos]) << 24) |
3048
|
|
|
+ (ord($data[$pos + 1]) << 16) |
3049
|
|
|
+ (ord($data[$pos + 2]) << 8) |
3050
|
|
|
+ ord($data[$pos + 3]); |
3051
|
|
|
} else { |
3052
|
|
|
return ord($data[$pos]) |
3053
|
|
|
+ (ord($data[$pos + 1]) << 8) |
3054
|
|
|
+ (ord($data[$pos + 2]) << 16) |
3055
|
|
|
+ (ord($data[$pos + 3]) << 24); |
3056
|
|
|
} |
3057
|
|
|
} |
3058
|
|
|
|
3059
|
|
|
/*************************************************************/ |
3060
|
|
|
|
3061
|
|
|
/** |
3062
|
|
|
* @param mixed $data |
3063
|
|
|
* @param integer $pos |
3064
|
|
|
* |
3065
|
|
|
* @param mixed $val |
3066
|
|
|
* @param bool $bigEndian |
3067
|
|
|
* |
3068
|
|
|
* @return int |
3069
|
|
|
*/ |
3070
|
|
|
function _putLong(&$data, $pos, $val, $bigEndian = true) { |
|
|
|
|
3071
|
|
|
$val = intval($val); |
3072
|
|
|
|
3073
|
|
|
if ($bigEndian) { |
3074
|
|
|
$data[$pos + 0] = chr(($val & 0xFF000000) >> 24); |
3075
|
|
|
$data[$pos + 1] = chr(($val & 0x00FF0000) >> 16); |
3076
|
|
|
$data[$pos + 2] = chr(($val & 0x0000FF00) >> 8); |
3077
|
|
|
$data[$pos + 3] = chr(($val & 0x000000FF) >> 0); |
3078
|
|
|
} else { |
3079
|
|
|
$data[$pos + 0] = chr(($val & 0x000000FF) >> 0); |
3080
|
|
|
$data[$pos + 1] = chr(($val & 0x0000FF00) >> 8); |
3081
|
|
|
$data[$pos + 2] = chr(($val & 0x00FF0000) >> 16); |
3082
|
|
|
$data[$pos + 3] = chr(($val & 0xFF000000) >> 24); |
3083
|
|
|
} |
3084
|
|
|
|
3085
|
|
|
return $pos + 4; |
3086
|
|
|
} |
3087
|
|
|
|
3088
|
|
|
/*************************************************************/ |
3089
|
|
|
function & _getNullString(&$data, $pos) { |
3090
|
|
|
$str = ''; |
3091
|
|
|
$max = strlen($data); |
3092
|
|
|
|
3093
|
|
|
while ($pos < $max) { |
3094
|
|
|
if (ord($data[$pos]) == 0) { |
3095
|
|
|
return $str; |
3096
|
|
|
} else { |
3097
|
|
|
$str .= $data[$pos]; |
3098
|
|
|
} |
3099
|
|
|
$pos++; |
3100
|
|
|
} |
3101
|
|
|
|
3102
|
|
|
return $str; |
3103
|
|
|
} |
3104
|
|
|
|
3105
|
|
|
/*************************************************************/ |
3106
|
|
|
function & _getFixedString(&$data, $pos, $length = -1) { |
3107
|
|
|
if ($length == -1) { |
3108
|
|
|
$length = strlen($data) - $pos; |
3109
|
|
|
} |
3110
|
|
|
|
3111
|
|
|
$rv = substr($data, $pos, $length); |
3112
|
|
|
return $rv; |
3113
|
|
|
} |
3114
|
|
|
|
3115
|
|
|
/*************************************************************/ |
3116
|
|
|
function _putString(&$data, $pos, &$str) { |
|
|
|
|
3117
|
|
|
$len = strlen($str); |
3118
|
|
|
for ($i = 0; $i < $len; $i++) { |
3119
|
|
|
$data[$pos + $i] = $str[$i]; |
3120
|
|
|
} |
3121
|
|
|
|
3122
|
|
|
return $pos + $len; |
3123
|
|
|
} |
3124
|
|
|
|
3125
|
|
|
/*************************************************************/ |
3126
|
|
|
function _hexDump(&$data, $start = 0, $length = -1) { |
|
|
|
|
3127
|
|
|
if (($length == -1) || (($length + $start) > strlen($data))) { |
3128
|
|
|
$end = strlen($data); |
3129
|
|
|
} else { |
3130
|
|
|
$end = $start + $length; |
3131
|
|
|
} |
3132
|
|
|
|
3133
|
|
|
$ascii = ''; |
3134
|
|
|
$count = 0; |
3135
|
|
|
|
3136
|
|
|
echo "<tt>\n"; |
3137
|
|
|
|
3138
|
|
|
while ($start < $end) { |
3139
|
|
|
if (($count % 16) == 0) { |
3140
|
|
|
echo sprintf('%04d', $count) . ': '; |
3141
|
|
|
} |
3142
|
|
|
|
3143
|
|
|
$c = ord($data[$start]); |
3144
|
|
|
$count++; |
3145
|
|
|
$start++; |
3146
|
|
|
|
3147
|
|
|
$aux = dechex($c); |
3148
|
|
|
if (strlen($aux) == 1) |
3149
|
|
|
echo '0'; |
3150
|
|
|
echo $aux . ' '; |
3151
|
|
|
|
3152
|
|
|
if ($c == 60) |
3153
|
|
|
$ascii .= '<'; |
3154
|
|
|
elseif ($c == 62) |
3155
|
|
|
$ascii .= '>'; |
3156
|
|
|
elseif ($c == 32) |
3157
|
|
|
$ascii .= ' '; |
3158
|
|
|
elseif ($c > 32) |
3159
|
|
|
$ascii .= chr($c); |
3160
|
|
|
else |
3161
|
|
|
$ascii .= '.'; |
3162
|
|
|
|
3163
|
|
|
if (($count % 4) == 0) { |
3164
|
|
|
echo ' - '; |
3165
|
|
|
} |
3166
|
|
|
|
3167
|
|
|
if (($count % 16) == 0) { |
3168
|
|
|
echo ': ' . $ascii . "<br>\n"; |
3169
|
|
|
$ascii = ''; |
3170
|
|
|
} |
3171
|
|
|
} |
3172
|
|
|
|
3173
|
|
|
if ($ascii != '') { |
3174
|
|
|
while (($count % 16) != 0) { |
3175
|
|
|
echo '-- '; |
3176
|
|
|
$count++; |
3177
|
|
|
if (($count % 4) == 0) { |
3178
|
|
|
echo ' - '; |
3179
|
|
|
} |
3180
|
|
|
} |
3181
|
|
|
echo ': ' . $ascii . "<br>\n"; |
3182
|
|
|
} |
3183
|
|
|
|
3184
|
|
|
echo "</tt>\n"; |
3185
|
|
|
} |
3186
|
|
|
|
3187
|
|
|
/*****************************************************************/ |
3188
|
|
|
} |
3189
|
|
|
|
3190
|
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4: */ |
3191
|
|
|
|
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.