1 | <?php
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2 | /**
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3 | * JPEG metadata reader/writer
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4 | *
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5 | * @license BSD <http://www.opensource.org/licenses/bsd-license.php>
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6 | * @link http://github.com/sd/jpeg-php
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7 | * @author Sebastian Delmont <[email protected]>
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8 | * @author Andreas Gohr <[email protected]>
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9 | * @author Hakan Sandell <[email protected]>
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10 | * @todo Add support for Maker Notes, Extend for GIF and PNG metadata
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11 | */
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12 |
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13 | // Original copyright notice:
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14 | //
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15 | // Copyright (c) 2003 Sebastian Delmont <[email protected]>
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16 | // All rights reserved.
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17 | //
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18 | // Redistribution and use in source and binary forms, with or without
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19 | // modification, are permitted provided that the following conditions
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20 | // are met:
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21 | // 1. Redistributions of source code must retain the above copyright
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22 | // notice, this list of conditions and the following disclaimer.
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23 | // 2. Redistributions in binary form must reproduce the above copyright
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24 | // notice, this list of conditions and the following disclaimer in the
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25 | // documentation and/or other materials provided with the distribution.
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26 | // 3. Neither the name of the author nor the names of its contributors
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27 | // may be used to endorse or promote products derived from this software
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28 | // without specific prior written permission.
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29 | //
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30 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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31 | // IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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32 | // TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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33 | // PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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34 | // HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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35 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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36 | // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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37 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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38 | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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39 | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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40 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
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41 |
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42 | class JpegMeta {
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43 | var $_fileName;
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44 | var $_fp = null;
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45 | var $_type = 'unknown';
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46 |
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47 | var $_markers;
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48 | var $_info;
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49 |
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50 |
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51 | /**
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52 | * Constructor
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53 | *
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54 | * @author Sebastian Delmont <[email protected]>
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55 | */
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56 | function JpegMeta($fileName) {
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57 |
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58 | $this->_fileName = $fileName;
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59 |
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60 | $this->_fp = null;
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61 | $this->_type = 'unknown';
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62 |
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63 | unset($this->_info);
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64 | unset($this->_markers);
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65 | }
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66 |
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67 | /**
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68 | * Returns all gathered info as multidim array
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69 | *
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70 | * @author Sebastian Delmont <[email protected]>
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71 | */
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72 | function & getRawInfo() {
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73 | $this->_parseAll();
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74 |
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75 | if ($this->_markers == null) {
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76 | return false;
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77 | }
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78 |
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79 | return $this->_info;
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80 | }
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81 |
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82 | /**
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83 | * Returns basic image info
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84 | *
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85 | * @author Sebastian Delmont <[email protected]>
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86 | */
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87 | function & getBasicInfo() {
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88 | $this->_parseAll();
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89 |
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90 | $info = array();
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91 |
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92 | if ($this->_markers == null) {
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93 | return false;
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94 | }
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95 |
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96 | $info['Name'] = $this->_info['file']['Name'];
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97 | if (isset($this->_info['file']['Url'])) {
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98 | $info['Url'] = $this->_info['file']['Url'];
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99 | $info['NiceSize'] = "???KB";
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100 | } else {
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101 | $info['Size'] = $this->_info['file']['Size'];
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102 | $info['NiceSize'] = $this->_info['file']['NiceSize'];
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103 | }
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104 |
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105 | if (@isset($this->_info['sof']['Format'])) {
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106 | $info['Format'] = $this->_info['sof']['Format'] . " JPEG";
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107 | } else {
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108 | $info['Format'] = $this->_info['sof']['Format'] . " JPEG";
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109 | }
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110 |
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111 | if (@isset($this->_info['sof']['ColorChannels'])) {
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112 | $info['ColorMode'] = ($this->_info['sof']['ColorChannels'] > 1) ? "Color" : "B&W";
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113 | }
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114 |
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115 | $info['Width'] = $this->getWidth();
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116 | $info['Height'] = $this->getHeight();
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117 | $info['DimStr'] = $this->getDimStr();
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118 |
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119 | $dates = $this->getDates();
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120 |
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121 | $info['DateTime'] = $dates['EarliestTime'];
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122 | $info['DateTimeStr'] = $dates['EarliestTimeStr'];
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123 |
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124 | $info['HasThumbnail'] = $this->hasThumbnail();
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125 |
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126 | return $info;
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127 | }
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128 |
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129 |
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130 | /**
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131 | * Convinience function to access nearly all available Data
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132 | * through one function
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133 | *
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134 | * @author Andreas Gohr <[email protected]>
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135 | */
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136 | function getField($fields) {
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137 | if(!is_array($fields)) $fields = array($fields);
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138 | $info = false;
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139 | foreach($fields as $field){
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140 | if(strtolower(substr($field,0,5)) == 'iptc.'){
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141 | $info = $this->getIPTCField(substr($field,5));
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142 | }elseif(strtolower(substr($field,0,5)) == 'exif.'){
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143 | $info = $this->getExifField(substr($field,5));
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144 | }elseif(strtolower(substr($field,0,4)) == 'xmp.'){
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145 | $info = $this->getXmpField(substr($field,4));
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146 | }elseif(strtolower(substr($field,0,5)) == 'file.'){
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147 | $info = $this->getFileField(substr($field,5));
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148 | }elseif(strtolower(substr($field,0,5)) == 'date.'){
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149 | $info = $this->getDateField(substr($field,5));
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150 | }elseif(strtolower($field) == 'simple.camera'){
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151 | $info = $this->getCamera();
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152 | }elseif(strtolower($field) == 'simple.raw'){
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153 | return $this->getRawInfo();
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154 | }elseif(strtolower($field) == 'simple.title'){
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155 | $info = $this->getTitle();
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156 | }elseif(strtolower($field) == 'simple.shutterspeed'){
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157 | $info = $this->getShutterSpeed();
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158 | }else{
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159 | $info = $this->getExifField($field);
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160 | }
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161 | if($info != false) break;
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162 | }
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163 |
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164 | if($info === false) $info = $alt;
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165 | if(is_array($info)){
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166 | if(isset($info['val'])){
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167 | $info = $info['val'];
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168 | }else{
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169 | $info = join(', ',$info);
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170 | }
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171 | }
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172 | return trim($info);
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173 | }
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174 |
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175 | /**
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176 | * Convinience function to set nearly all available Data
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177 | * through one function
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178 | *
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179 | * @author Andreas Gohr <[email protected]>
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180 | */
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181 | function setField($field, $value) {
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182 | if(strtolower(substr($field,0,5)) == 'iptc.'){
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183 | return $this->setIPTCField(substr($field,5),$value);
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184 | }elseif(strtolower(substr($field,0,5)) == 'exif.'){
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185 | return $this->setExifField(substr($field,5),$value);
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186 | }else{
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187 | return $this->setExifField($field,$value);
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188 | }
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189 | }
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190 |
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191 | /**
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192 | * Convinience function to delete nearly all available Data
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193 | * through one function
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194 | *
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195 | * @author Andreas Gohr <[email protected]>
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196 | */
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197 | function deleteField($field) {
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198 | if(strtolower(substr($field,0,5)) == 'iptc.'){
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199 | return $this->deleteIPTCField(substr($field,5));
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200 | }elseif(strtolower(substr($field,0,5)) == 'exif.'){
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201 | return $this->deleteExifField(substr($field,5));
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202 | }else{
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203 | return $this->deleteExifField($field);
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204 | }
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205 | }
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206 |
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207 | /**
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208 | * Return a date field
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209 | *
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210 | * @author Andreas Gohr <[email protected]>
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211 | */
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212 | function getDateField($field) {
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213 | if (!isset($this->_info['dates'])) {
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214 | $this->_info['dates'] = $this->getDates();
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215 | }
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216 |
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217 | if (isset($this->_info['dates'][$field])) {
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218 | return $this->_info['dates'][$field];
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219 | }
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220 |
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221 | return false;
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222 | }
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223 |
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224 | /**
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225 | * Return a file info field
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226 | *
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227 | * @author Andreas Gohr <[email protected]>
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228 | */
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229 | function getFileField($field) {
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230 | if (!isset($this->_info['file'])) {
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231 | $this->_parseFileInfo();
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232 | }
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233 |
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234 | if (isset($this->_info['file'][$field])) {
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235 | return $this->_info['file'][$field];
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236 | }
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237 |
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238 | return false;
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239 | }
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240 |
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241 | /**
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242 | * Return the camera info (Maker and Model)
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243 | *
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244 | * @author Andreas Gohr <[email protected]>
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245 | * @todo handle makernotes
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246 | */
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247 | function getCamera(){
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248 | $make = $this->getField(array('Exif.Make','Exif.TIFFMake'));
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249 | $model = $this->getField(array('Exif.Model','Exif.TIFFModel'));
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250 | $cam = trim("$make $model");
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251 | if(empty($cam)) return false;
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252 | return $cam;
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253 | }
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254 |
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255 | /**
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256 | * Return shutter speed as a ratio
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257 | *
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258 | * @author Joe Lapp <[email protected]>
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259 | */
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260 | function getShutterSpeed() {
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261 | if (!isset($this->_info['exif'])) {
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262 | $this->_parseMarkerExif();
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263 | }
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264 | if(!isset($this->_info['exif']['ExposureTime'])){
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265 | return '';
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266 | }
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267 |
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268 | $field = $this->_info['exif']['ExposureTime'];
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269 | if($field['den'] == 1) return $field['num'];
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270 | return $field['num'].'/'.$field['den'];
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271 | }
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272 |
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273 | /**
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274 | * Return an EXIF field
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275 | *
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276 | * @author Sebastian Delmont <[email protected]>
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277 | */
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278 | function getExifField($field) {
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279 | if (!isset($this->_info['exif'])) {
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280 | $this->_parseMarkerExif();
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281 | }
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282 |
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283 | if ($this->_markers == null) {
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284 | return false;
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285 | }
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286 |
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287 | if (isset($this->_info['exif'][$field])) {
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288 | return $this->_info['exif'][$field];
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289 | }
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290 |
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291 | return false;
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292 | }
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293 |
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294 | /**
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295 | * Return an XMP field
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296 | *
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297 | * @author Hakan Sandell <[email protected]>
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298 | */
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299 | function getXmpField($field) {
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300 | if (!isset($this->_info['xmp'])) {
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301 | $this->_parseMarkerXmp();
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302 | }
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303 |
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304 | if ($this->_markers == null) {
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305 | return false;
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306 | }
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307 |
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308 | if (isset($this->_info['xmp'][$field])) {
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309 | return $this->_info['xmp'][$field];
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310 | }
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311 |
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312 | return false;
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313 | }
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314 |
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315 | /**
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316 | * Return an Adobe Field
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317 | *
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318 | * @author Sebastian Delmont <[email protected]>
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319 | */
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320 | function getAdobeField($field) {
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321 | if (!isset($this->_info['adobe'])) {
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322 | $this->_parseMarkerAdobe();
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323 | }
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324 |
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325 | if ($this->_markers == null) {
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326 | return false;
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327 | }
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328 |
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329 | if (isset($this->_info['adobe'][$field])) {
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330 | return $this->_info['adobe'][$field];
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331 | }
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332 |
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333 | return false;
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334 | }
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335 |
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336 | /**
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337 | * Return an IPTC field
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338 | *
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339 | * @author Sebastian Delmont <[email protected]>
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340 | */
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341 | function getIPTCField($field) {
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342 | if (!isset($this->_info['iptc'])) {
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343 | $this->_parseMarkerAdobe();
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344 | }
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345 |
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346 | if ($this->_markers == null) {
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347 | return false;
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348 | }
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349 |
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350 | if (isset($this->_info['iptc'][$field])) {
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351 | return $this->_info['iptc'][$field];
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352 | }
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353 |
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354 | return false;
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355 | }
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356 |
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357 | /**
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358 | * Set an EXIF field
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359 | *
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360 | * @author Sebastian Delmont <[email protected]>
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361 | * @author Joe Lapp <[email protected]>
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362 | */
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363 | function setExifField($field, $value) {
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364 | if (!isset($this->_info['exif'])) {
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365 | $this->_parseMarkerExif();
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366 | }
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367 |
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368 | if ($this->_markers == null) {
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369 | return false;
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370 | }
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371 |
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372 | if ($this->_info['exif'] == false) {
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373 | $this->_info['exif'] = array();
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374 | }
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375 |
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376 | // make sure datetimes are in correct format
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377 | if(strlen($field) >= 8 && strtolower(substr($field, 0, 8)) == 'datetime') {
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378 | if(strlen($value) < 8 || $value{4} != ':' || $value{7} != ':') {
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379 | $value = date('Y:m:d H:i:s', strtotime($value));
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380 | }
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381 | }
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382 |
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383 | $this->_info['exif'][$field] = $value;
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384 |
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385 | return true;
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386 | }
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387 |
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388 | /**
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389 | * Set an Adobe Field
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390 | *
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391 | * @author Sebastian Delmont <[email protected]>
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392 | */
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393 | function setAdobeField($field, $value) {
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394 | if (!isset($this->_info['adobe'])) {
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395 | $this->_parseMarkerAdobe();
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396 | }
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397 |
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398 | if ($this->_markers == null) {
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399 | return false;
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400 | }
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401 |
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402 | if ($this->_info['adobe'] == false) {
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403 | $this->_info['adobe'] = array();
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404 | }
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405 |
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406 | $this->_info['adobe'][$field] = $value;
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407 |
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408 | return true;
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409 | }
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410 |
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411 | /**
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412 | * Calculates the multiplier needed to resize the image to the given
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413 | * dimensions
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414 | *
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415 | * @author Andreas Gohr <[email protected]>
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416 | */
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417 | function getResizeRatio($maxwidth,$maxheight=0){
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418 | if(!$maxheight) $maxheight = $maxwidth;
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419 |
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420 | $w = $this->getField('File.Width');
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421 | $h = $this->getField('File.Height');
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422 |
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423 | $ratio = 1;
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424 | if($w >= $h){
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425 | if($w >= $maxwidth){
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426 | $ratio = $maxwidth/$w;
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427 | }elseif($h > $maxheight){
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428 | $ratio = $maxheight/$h;
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429 | }
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430 | }else{
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431 | if($h >= $maxheight){
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432 | $ratio = $maxheight/$h;
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433 | }elseif($w > $maxwidth){
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434 | $ratio = $maxwidth/$w;
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435 | }
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436 | }
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437 | return $ratio;
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438 | }
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439 |
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440 |
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441 | /**
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442 | * Set an IPTC field
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443 | *
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444 | * @author Sebastian Delmont <[email protected]>
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445 | */
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446 | function setIPTCField($field, $value) {
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447 | if (!isset($this->_info['iptc'])) {
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448 | $this->_parseMarkerAdobe();
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449 | }
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450 |
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451 | if ($this->_markers == null) {
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452 | return false;
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453 | }
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454 |
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455 | if ($this->_info['iptc'] == false) {
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456 | $this->_info['iptc'] = array();
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457 | }
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458 |
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459 | $this->_info['iptc'][$field] = $value;
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460 |
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461 | return true;
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462 | }
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463 |
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464 | /**
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465 | * Delete an EXIF field
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466 | *
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467 | * @author Sebastian Delmont <[email protected]>
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468 | */
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469 | function deleteExifField($field) {
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470 | if (!isset($this->_info['exif'])) {
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471 | $this->_parseMarkerAdobe();
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472 | }
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473 |
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474 | if ($this->_markers == null) {
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475 | return false;
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476 | }
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477 |
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478 | if ($this->_info['exif'] != false) {
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479 | unset($this->_info['exif'][$field]);
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480 | }
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481 |
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482 | return true;
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483 | }
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484 |
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485 | /**
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486 | * Delete an Adobe field
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487 | *
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488 | * @author Sebastian Delmont <[email protected]>
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489 | */
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490 | function deleteAdobeField($field) {
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491 | if (!isset($this->_info['adobe'])) {
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492 | $this->_parseMarkerAdobe();
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493 | }
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494 |
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495 | if ($this->_markers == null) {
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496 | return false;
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497 | }
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498 |
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499 | if ($this->_info['adobe'] != false) {
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500 | unset($this->_info['adobe'][$field]);
|
---|
501 | }
|
---|
502 |
|
---|
503 | return true;
|
---|
504 | }
|
---|
505 |
|
---|
506 | /**
|
---|
507 | * Delete an IPTC field
|
---|
508 | *
|
---|
509 | * @author Sebastian Delmont <[email protected]>
|
---|
510 | */
|
---|
511 | function deleteIPTCField($field) {
|
---|
512 | if (!isset($this->_info['iptc'])) {
|
---|
513 | $this->_parseMarkerAdobe();
|
---|
514 | }
|
---|
515 |
|
---|
516 | if ($this->_markers == null) {
|
---|
517 | return false;
|
---|
518 | }
|
---|
519 |
|
---|
520 | if ($this->_info['iptc'] != false) {
|
---|
521 | unset($this->_info['iptc'][$field]);
|
---|
522 | }
|
---|
523 |
|
---|
524 | return true;
|
---|
525 | }
|
---|
526 |
|
---|
527 | /**
|
---|
528 | * Get the image's title, tries various fields
|
---|
529 | *
|
---|
530 | * @param int $max maximum number chars (keeps words)
|
---|
531 | * @author Andreas Gohr <[email protected]>
|
---|
532 | */
|
---|
533 | function getTitle($max=80){
|
---|
534 | $cap = '';
|
---|
535 |
|
---|
536 | // try various fields
|
---|
537 | $cap = $this->getField(array('Iptc.Headline',
|
---|
538 | 'Iptc.Caption',
|
---|
539 | 'Xmp.dc:title',
|
---|
540 | 'Exif.UserComment',
|
---|
541 | 'Exif.TIFFUserComment',
|
---|
542 | 'Exif.TIFFImageDescription',
|
---|
543 | 'File.Name'));
|
---|
544 | if (empty($cap)) return false;
|
---|
545 |
|
---|
546 | if(!$max) return $cap;
|
---|
547 | // Shorten to 80 chars (keeping words)
|
---|
548 | $new = preg_replace('/\n.+$/','',wordwrap($cap, $max));
|
---|
549 | if($new != $cap) $new .= '...';
|
---|
550 |
|
---|
551 | return $new;
|
---|
552 | }
|
---|
553 |
|
---|
554 | /**
|
---|
555 | * Gather various date fields
|
---|
556 | *
|
---|
557 | * @author Sebastian Delmont <[email protected]>
|
---|
558 | */
|
---|
559 | function getDates() {
|
---|
560 | $this->_parseAll();
|
---|
561 | if ($this->_markers == null) {
|
---|
562 | if (@isset($this->_info['file']['UnixTime'])) {
|
---|
563 | $dates['FileModified'] = $this->_info['file']['UnixTime'];
|
---|
564 | $dates['Time'] = $this->_info['file']['UnixTime'];
|
---|
565 | $dates['TimeSource'] = 'FileModified';
|
---|
566 | $dates['TimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']);
|
---|
567 | $dates['EarliestTime'] = $this->_info['file']['UnixTime'];
|
---|
568 | $dates['EarliestTimeSource'] = 'FileModified';
|
---|
569 | $dates['EarliestTimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']);
|
---|
570 | $dates['LatestTime'] = $this->_info['file']['UnixTime'];
|
---|
571 | $dates['LatestTimeSource'] = 'FileModified';
|
---|
572 | $dates['LatestTimeStr'] = date("Y-m-d H:i:s", $this->_info['file']['UnixTime']);
|
---|
573 | return $dates;
|
---|
574 | }
|
---|
575 | return false;
|
---|
576 | }
|
---|
577 |
|
---|
578 | $dates = array();
|
---|
579 |
|
---|
580 | $latestTime = 0;
|
---|
581 | $latestTimeSource = "";
|
---|
582 | $earliestTime = time();
|
---|
583 | $earliestTimeSource = "";
|
---|
584 |
|
---|
585 | if (@isset($this->_info['exif']['DateTime'])) {
|
---|
586 | $dates['ExifDateTime'] = $this->_info['exif']['DateTime'];
|
---|
587 |
|
---|
588 | $aux = $this->_info['exif']['DateTime'];
|
---|
589 | $aux{4} = "-";
|
---|
590 | $aux{7} = "-";
|
---|
591 | $t = strtotime($aux);
|
---|
592 |
|
---|
593 | if ($t && $t > $latestTime) {
|
---|
594 | $latestTime = $t;
|
---|
595 | $latestTimeSource = "ExifDateTime";
|
---|
596 | }
|
---|
597 |
|
---|
598 | if ($t && $t < $earliestTime) {
|
---|
599 | $earliestTime = $t;
|
---|
600 | $earliestTimeSource = "ExifDateTime";
|
---|
601 | }
|
---|
602 | }
|
---|
603 |
|
---|
604 | if (@isset($this->_info['exif']['DateTimeOriginal'])) {
|
---|
605 | $dates['ExifDateTimeOriginal'] = $this->_info['exif']['DateTime'];
|
---|
606 |
|
---|
607 | $aux = $this->_info['exif']['DateTimeOriginal'];
|
---|
608 | $aux{4} = "-";
|
---|
609 | $aux{7} = "-";
|
---|
610 | $t = strtotime($aux);
|
---|
611 |
|
---|
612 | if ($t && $t > $latestTime) {
|
---|
613 | $latestTime = $t;
|
---|
614 | $latestTimeSource = "ExifDateTimeOriginal";
|
---|
615 | }
|
---|
616 |
|
---|
617 | if ($t && $t < $earliestTime) {
|
---|
618 | $earliestTime = $t;
|
---|
619 | $earliestTimeSource = "ExifDateTimeOriginal";
|
---|
620 | }
|
---|
621 | }
|
---|
622 |
|
---|
623 | if (@isset($this->_info['exif']['DateTimeDigitized'])) {
|
---|
624 | $dates['ExifDateTimeDigitized'] = $this->_info['exif']['DateTime'];
|
---|
625 |
|
---|
626 | $aux = $this->_info['exif']['DateTimeDigitized'];
|
---|
627 | $aux{4} = "-";
|
---|
628 | $aux{7} = "-";
|
---|
629 | $t = strtotime($aux);
|
---|
630 |
|
---|
631 | if ($t && $t > $latestTime) {
|
---|
632 | $latestTime = $t;
|
---|
633 | $latestTimeSource = "ExifDateTimeDigitized";
|
---|
634 | }
|
---|
635 |
|
---|
636 | if ($t && $t < $earliestTime) {
|
---|
637 | $earliestTime = $t;
|
---|
638 | $earliestTimeSource = "ExifDateTimeDigitized";
|
---|
639 | }
|
---|
640 | }
|
---|
641 |
|
---|
642 | if (@isset($this->_info['iptc']['DateCreated'])) {
|
---|
643 | $dates['IPTCDateCreated'] = $this->_info['iptc']['DateCreated'];
|
---|
644 |
|
---|
645 | $aux = $this->_info['iptc']['DateCreated'];
|
---|
646 | $aux = substr($aux, 0, 4) . "-" . substr($aux, 4, 2) . "-" . substr($aux, 6, 2);
|
---|
647 | $t = strtotime($aux);
|
---|
648 |
|
---|
649 | if ($t && $t > $latestTime) {
|
---|
650 | $latestTime = $t;
|
---|
651 | $latestTimeSource = "IPTCDateCreated";
|
---|
652 | }
|
---|
653 |
|
---|
654 | if ($t && $t < $earliestTime) {
|
---|
655 | $earliestTime = $t;
|
---|
656 | $earliestTimeSource = "IPTCDateCreated";
|
---|
657 | }
|
---|
658 | }
|
---|
659 |
|
---|
660 | if (@isset($this->_info['file']['UnixTime'])) {
|
---|
661 | $dates['FileModified'] = $this->_info['file']['UnixTime'];
|
---|
662 |
|
---|
663 | $t = $this->_info['file']['UnixTime'];
|
---|
664 |
|
---|
665 | if ($t && $t > $latestTime) {
|
---|
666 | $latestTime = $t;
|
---|
667 | $latestTimeSource = "FileModified";
|
---|
668 | }
|
---|
669 |
|
---|
670 | if ($t && $t < $earliestTime) {
|
---|
671 | $earliestTime = $t;
|
---|
672 | $earliestTimeSource = "FileModified";
|
---|
673 | }
|
---|
674 | }
|
---|
675 |
|
---|
676 | $dates['Time'] = $earliestTime;
|
---|
677 | $dates['TimeSource'] = $earliestTimeSource;
|
---|
678 | $dates['TimeStr'] = date("Y-m-d H:i:s", $earliestTime);
|
---|
679 | $dates['EarliestTime'] = $earliestTime;
|
---|
680 | $dates['EarliestTimeSource'] = $earliestTimeSource;
|
---|
681 | $dates['EarliestTimeStr'] = date("Y-m-d H:i:s", $earliestTime);
|
---|
682 | $dates['LatestTime'] = $latestTime;
|
---|
683 | $dates['LatestTimeSource'] = $latestTimeSource;
|
---|
684 | $dates['LatestTimeStr'] = date("Y-m-d H:i:s", $latestTime);
|
---|
685 |
|
---|
686 | return $dates;
|
---|
687 | }
|
---|
688 |
|
---|
689 | /**
|
---|
690 | * Get the image width, tries various fields
|
---|
691 | *
|
---|
692 | * @author Sebastian Delmont <[email protected]>
|
---|
693 | */
|
---|
694 | function getWidth() {
|
---|
695 | if (!isset($this->_info['sof'])) {
|
---|
696 | $this->_parseMarkerSOF();
|
---|
697 | }
|
---|
698 |
|
---|
699 | if ($this->_markers == null) {
|
---|
700 | return false;
|
---|
701 | }
|
---|
702 |
|
---|
703 | if (isset($this->_info['sof']['ImageWidth'])) {
|
---|
704 | return $this->_info['sof']['ImageWidth'];
|
---|
705 | }
|
---|
706 |
|
---|
707 | if (!isset($this->_info['exif'])) {
|
---|
708 | $this->_parseMarkerExif();
|
---|
709 | }
|
---|
710 |
|
---|
711 | if (isset($this->_info['exif']['PixelXDimension'])) {
|
---|
712 | return $this->_info['exif']['PixelXDimension'];
|
---|
713 | }
|
---|
714 |
|
---|
715 | return false;
|
---|
716 | }
|
---|
717 |
|
---|
718 | /**
|
---|
719 | * Get the image height, tries various fields
|
---|
720 | *
|
---|
721 | * @author Sebastian Delmont <[email protected]>
|
---|
722 | */
|
---|
723 | function getHeight() {
|
---|
724 | if (!isset($this->_info['sof'])) {
|
---|
725 | $this->_parseMarkerSOF();
|
---|
726 | }
|
---|
727 |
|
---|
728 | if ($this->_markers == null) {
|
---|
729 | return false;
|
---|
730 | }
|
---|
731 |
|
---|
732 | if (isset($this->_info['sof']['ImageHeight'])) {
|
---|
733 | return $this->_info['sof']['ImageHeight'];
|
---|
734 | }
|
---|
735 |
|
---|
736 | if (!isset($this->_info['exif'])) {
|
---|
737 | $this->_parseMarkerExif();
|
---|
738 | }
|
---|
739 |
|
---|
740 | if (isset($this->_info['exif']['PixelYDimension'])) {
|
---|
741 | return $this->_info['exif']['PixelYDimension'];
|
---|
742 | }
|
---|
743 |
|
---|
744 | return false;
|
---|
745 | }
|
---|
746 |
|
---|
747 | /**
|
---|
748 | * Get an dimension string for use in img tag
|
---|
749 | *
|
---|
750 | * @author Sebastian Delmont <[email protected]>
|
---|
751 | */
|
---|
752 | function getDimStr() {
|
---|
753 | if ($this->_markers == null) {
|
---|
754 | return false;
|
---|
755 | }
|
---|
756 |
|
---|
757 | $w = $this->getWidth();
|
---|
758 | $h = $this->getHeight();
|
---|
759 |
|
---|
760 | return "width='" . $w . "' height='" . $h . "'";
|
---|
761 | }
|
---|
762 |
|
---|
763 | /**
|
---|
764 | * Checks for an embedded thumbnail
|
---|
765 | *
|
---|
766 | * @author Sebastian Delmont <[email protected]>
|
---|
767 | */
|
---|
768 | function hasThumbnail($which = 'any') {
|
---|
769 | if (($which == 'any') || ($which == 'exif')) {
|
---|
770 | if (!isset($this->_info['exif'])) {
|
---|
771 | $this->_parseMarkerExif();
|
---|
772 | }
|
---|
773 |
|
---|
774 | if ($this->_markers == null) {
|
---|
775 | return false;
|
---|
776 | }
|
---|
777 |
|
---|
778 | if (isset($this->_info['exif']) && is_array($this->_info['exif'])) {
|
---|
779 | if (isset($this->_info['exif']['JFIFThumbnail'])) {
|
---|
780 | return 'exif';
|
---|
781 | }
|
---|
782 | }
|
---|
783 | }
|
---|
784 |
|
---|
785 | if ($which == 'adobe') {
|
---|
786 | if (!isset($this->_info['adobe'])) {
|
---|
787 | $this->_parseMarkerAdobe();
|
---|
788 | }
|
---|
789 |
|
---|
790 | if ($this->_markers == null) {
|
---|
791 | return false;
|
---|
792 | }
|
---|
793 |
|
---|
794 | if (isset($this->_info['adobe']) && is_array($this->_info['adobe'])) {
|
---|
795 | if (isset($this->_info['adobe']['ThumbnailData'])) {
|
---|
796 | return 'exif';
|
---|
797 | }
|
---|
798 | }
|
---|
799 | }
|
---|
800 |
|
---|
801 | return false;
|
---|
802 | }
|
---|
803 |
|
---|
804 | /**
|
---|
805 | * Send embedded thumbnail to browser
|
---|
806 | *
|
---|
807 | * @author Sebastian Delmont <[email protected]>
|
---|
808 | */
|
---|
809 | function sendThumbnail($which = 'any') {
|
---|
810 | $data = null;
|
---|
811 |
|
---|
812 | if (($which == 'any') || ($which == 'exif')) {
|
---|
813 | if (!isset($this->_info['exif'])) {
|
---|
814 | $this->_parseMarkerExif();
|
---|
815 | }
|
---|
816 |
|
---|
817 | if ($this->_markers == null) {
|
---|
818 | return false;
|
---|
819 | }
|
---|
820 |
|
---|
821 | if (isset($this->_info['exif']) && is_array($this->_info['exif'])) {
|
---|
822 | if (isset($this->_info['exif']['JFIFThumbnail'])) {
|
---|
823 | $data =& $this->_info['exif']['JFIFThumbnail'];
|
---|
824 | }
|
---|
825 | }
|
---|
826 | }
|
---|
827 |
|
---|
828 | if (($which == 'adobe') || ($data == null)){
|
---|
829 | if (!isset($this->_info['adobe'])) {
|
---|
830 | $this->_parseMarkerAdobe();
|
---|
831 | }
|
---|
832 |
|
---|
833 | if ($this->_markers == null) {
|
---|
834 | return false;
|
---|
835 | }
|
---|
836 |
|
---|
837 | if (isset($this->_info['adobe']) && is_array($this->_info['adobe'])) {
|
---|
838 | if (isset($this->_info['adobe']['ThumbnailData'])) {
|
---|
839 | $data =& $this->_info['adobe']['ThumbnailData'];
|
---|
840 | }
|
---|
841 | }
|
---|
842 | }
|
---|
843 |
|
---|
844 | if ($data != null) {
|
---|
845 | header("Content-type: image/jpeg");
|
---|
846 | echo $data;
|
---|
847 | return true;
|
---|
848 | }
|
---|
849 |
|
---|
850 | return false;
|
---|
851 | }
|
---|
852 |
|
---|
853 | /**
|
---|
854 | * Save changed Metadata
|
---|
855 | *
|
---|
856 | * @author Sebastian Delmont <[email protected]>
|
---|
857 | * @author Andreas Gohr <[email protected]>
|
---|
858 | */
|
---|
859 | function save($fileName = "") {
|
---|
860 | if ($fileName == "") {
|
---|
861 | $tmpName = tempnam(dirname($this->_fileName),'_metatemp_');
|
---|
862 | $this->_writeJPEG($tmpName);
|
---|
863 | if (@file_exists($tmpName)) {
|
---|
864 | return io_rename($tmpName, $this->_fileName);
|
---|
865 | }
|
---|
866 | } else {
|
---|
867 | return $this->_writeJPEG($fileName);
|
---|
868 | }
|
---|
869 | return false;
|
---|
870 | }
|
---|
871 |
|
---|
872 | /*************************************************************/
|
---|
873 | /* PRIVATE FUNCTIONS (Internal Use Only!) */
|
---|
874 | /*************************************************************/
|
---|
875 |
|
---|
876 | /*************************************************************/
|
---|
877 | function _dispose() {
|
---|
878 | $this->_fileName = $fileName;
|
---|
879 |
|
---|
880 | $this->_fp = null;
|
---|
881 | $this->_type = 'unknown';
|
---|
882 |
|
---|
883 | unset($this->_markers);
|
---|
884 | unset($this->_info);
|
---|
885 | }
|
---|
886 |
|
---|
887 | /*************************************************************/
|
---|
888 | function _readJPEG() {
|
---|
889 | unset($this->_markers);
|
---|
890 | //unset($this->_info);
|
---|
891 | $this->_markers = array();
|
---|
892 | //$this->_info = array();
|
---|
893 |
|
---|
894 | $this->_fp = @fopen($this->_fileName, 'rb');
|
---|
895 | if ($this->_fp) {
|
---|
896 | if (file_exists($this->_fileName)) {
|
---|
897 | $this->_type = 'file';
|
---|
898 | }
|
---|
899 | else {
|
---|
900 | $this->_type = 'url';
|
---|
901 | }
|
---|
902 | } else {
|
---|
903 | $this->_fp = null;
|
---|
904 | return false; // ERROR: Can't open file
|
---|
905 | }
|
---|
906 |
|
---|
907 | // Check for the JPEG signature
|
---|
908 | $c1 = ord(fgetc($this->_fp));
|
---|
909 | $c2 = ord(fgetc($this->_fp));
|
---|
910 |
|
---|
911 | if ($c1 != 0xFF || $c2 != 0xD8) { // (0xFF + SOI)
|
---|
912 | $this->_markers = null;
|
---|
913 | return false; // ERROR: File is not a JPEG
|
---|
914 | }
|
---|
915 |
|
---|
916 | $count = 0;
|
---|
917 |
|
---|
918 | $done = false;
|
---|
919 | $ok = true;
|
---|
920 |
|
---|
921 | while (!$done) {
|
---|
922 | $capture = false;
|
---|
923 |
|
---|
924 | // First, skip any non 0xFF bytes
|
---|
925 | $discarded = 0;
|
---|
926 | $c = ord(fgetc($this->_fp));
|
---|
927 | while (!feof($this->_fp) && ($c != 0xFF)) {
|
---|
928 | $discarded++;
|
---|
929 | $c = ord(fgetc($this->_fp));
|
---|
930 | }
|
---|
931 | // Then skip all 0xFF until the marker byte
|
---|
932 | do {
|
---|
933 | $marker = ord(fgetc($this->_fp));
|
---|
934 | } while (!feof($this->_fp) && ($marker == 0xFF));
|
---|
935 |
|
---|
936 | if (feof($this->_fp)) {
|
---|
937 | return false; // ERROR: Unexpected EOF
|
---|
938 | }
|
---|
939 | if ($discarded != 0) {
|
---|
940 | return false; // ERROR: Extraneous data
|
---|
941 | }
|
---|
942 |
|
---|
943 | $length = ord(fgetc($this->_fp)) * 256 + ord(fgetc($this->_fp));
|
---|
944 | if (feof($this->_fp)) {
|
---|
945 | return false; // ERROR: Unexpected EOF
|
---|
946 | }
|
---|
947 | if ($length < 2) {
|
---|
948 | return false; // ERROR: Extraneous data
|
---|
949 | }
|
---|
950 | $length = $length - 2; // The length we got counts itself
|
---|
951 |
|
---|
952 | switch ($marker) {
|
---|
953 | case 0xC0: // SOF0
|
---|
954 | case 0xC1: // SOF1
|
---|
955 | case 0xC2: // SOF2
|
---|
956 | case 0xC9: // SOF9
|
---|
957 | case 0xE0: // APP0: JFIF data
|
---|
958 | case 0xE1: // APP1: EXIF or XMP data
|
---|
959 | case 0xED: // APP13: IPTC / Photoshop data
|
---|
960 | $capture = true;
|
---|
961 | break;
|
---|
962 | case 0xDA: // SOS: Start of scan... the image itself and the last block on the file
|
---|
963 | $capture = false;
|
---|
964 | $length = -1; // This field has no length... it includes all data until EOF
|
---|
965 | $done = true;
|
---|
966 | break;
|
---|
967 | default:
|
---|
968 | $capture = true;//false;
|
---|
969 | break;
|
---|
970 | }
|
---|
971 |
|
---|
972 | $this->_markers[$count] = array();
|
---|
973 | $this->_markers[$count]['marker'] = $marker;
|
---|
974 | $this->_markers[$count]['length'] = $length;
|
---|
975 |
|
---|
976 | if ($capture) {
|
---|
977 | if ($length)
|
---|
978 | $this->_markers[$count]['data'] =& fread($this->_fp, $length);
|
---|
979 | else
|
---|
980 | $this->_markers[$count]['data'] = "";
|
---|
981 | }
|
---|
982 | elseif (!$done) {
|
---|
983 | $result = @fseek($this->_fp, $length, SEEK_CUR);
|
---|
984 | // fseek doesn't seem to like HTTP 'files', but fgetc has no problem
|
---|
985 | if (!($result === 0)) {
|
---|
986 | for ($i = 0; $i < $length; $i++) {
|
---|
987 | fgetc($this->_fp);
|
---|
988 | }
|
---|
989 | }
|
---|
990 | }
|
---|
991 | $count++;
|
---|
992 | }
|
---|
993 |
|
---|
994 | if ($this->_fp) {
|
---|
995 | fclose($this->_fp);
|
---|
996 | $this->_fp = null;
|
---|
997 | }
|
---|
998 |
|
---|
999 | return $ok;
|
---|
1000 | }
|
---|
1001 |
|
---|
1002 | /*************************************************************/
|
---|
1003 | function _parseAll() {
|
---|
1004 | if (!isset($this->_info['file'])) {
|
---|
1005 | $this->_parseFileInfo();
|
---|
1006 | }
|
---|
1007 | if (!isset($this->_markers)) {
|
---|
1008 | $this->_readJPEG();
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 | if ($this->_markers == null) {
|
---|
1012 | return false;
|
---|
1013 | }
|
---|
1014 |
|
---|
1015 | if (!isset($this->_info['jfif'])) {
|
---|
1016 | $this->_parseMarkerJFIF();
|
---|
1017 | }
|
---|
1018 | if (!isset($this->_info['jpeg'])) {
|
---|
1019 | $this->_parseMarkerSOF();
|
---|
1020 | }
|
---|
1021 | if (!isset($this->_info['exif'])) {
|
---|
1022 | $this->_parseMarkerExif();
|
---|
1023 | }
|
---|
1024 | if (!isset($this->_info['xmp'])) {
|
---|
1025 | $this->_parseMarkerXmp();
|
---|
1026 | }
|
---|
1027 | if (!isset($this->_info['adobe'])) {
|
---|
1028 | $this->_parseMarkerAdobe();
|
---|
1029 | }
|
---|
1030 | }
|
---|
1031 |
|
---|
1032 | /*************************************************************/
|
---|
1033 | function _writeJPEG($outputName) {
|
---|
1034 | $this->_parseAll();
|
---|
1035 |
|
---|
1036 | $wroteEXIF = false;
|
---|
1037 | $wroteAdobe = false;
|
---|
1038 |
|
---|
1039 | $this->_fp = @fopen($this->_fileName, 'r');
|
---|
1040 | if ($this->_fp) {
|
---|
1041 | if (file_exists($this->_fileName)) {
|
---|
1042 | $this->_type = 'file';
|
---|
1043 | }
|
---|
1044 | else {
|
---|
1045 | $this->_type = 'url';
|
---|
1046 | }
|
---|
1047 | } else {
|
---|
1048 | $this->_fp = null;
|
---|
1049 | return false; // ERROR: Can't open file
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 | $this->_fpout = fopen($outputName, 'wb');
|
---|
1053 | if (!$this->_fpout) {
|
---|
1054 | $this->_fpout = null;
|
---|
1055 | fclose($this->_fp);
|
---|
1056 | $this->_fp = null;
|
---|
1057 | return false; // ERROR: Can't open output file
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | // Check for the JPEG signature
|
---|
1061 | $c1 = ord(fgetc($this->_fp));
|
---|
1062 | $c2 = ord(fgetc($this->_fp));
|
---|
1063 |
|
---|
1064 | if ($c1 != 0xFF || $c2 != 0xD8) { // (0xFF + SOI)
|
---|
1065 | return false; // ERROR: File is not a JPEG
|
---|
1066 | }
|
---|
1067 |
|
---|
1068 | fputs($this->_fpout, chr(0xFF), 1);
|
---|
1069 | fputs($this->_fpout, chr(0xD8), 1); // (0xFF + SOI)
|
---|
1070 |
|
---|
1071 | $count = 0;
|
---|
1072 |
|
---|
1073 | $done = false;
|
---|
1074 | $ok = true;
|
---|
1075 |
|
---|
1076 | while (!$done) {
|
---|
1077 | // First, skip any non 0xFF bytes
|
---|
1078 | $discarded = 0;
|
---|
1079 | $c = ord(fgetc($this->_fp));
|
---|
1080 | while (!feof($this->_fp) && ($c != 0xFF)) {
|
---|
1081 | $discarded++;
|
---|
1082 | $c = ord(fgetc($this->_fp));
|
---|
1083 | }
|
---|
1084 | // Then skip all 0xFF until the marker byte
|
---|
1085 | do {
|
---|
1086 | $marker = ord(fgetc($this->_fp));
|
---|
1087 | } while (!feof($this->_fp) && ($marker == 0xFF));
|
---|
1088 |
|
---|
1089 | if (feof($this->_fp)) {
|
---|
1090 | $ok = false;
|
---|
1091 | break; // ERROR: Unexpected EOF
|
---|
1092 | }
|
---|
1093 | if ($discarded != 0) {
|
---|
1094 | $ok = false;
|
---|
1095 | break; // ERROR: Extraneous data
|
---|
1096 | }
|
---|
1097 |
|
---|
1098 | $length = ord(fgetc($this->_fp)) * 256 + ord(fgetc($this->_fp));
|
---|
1099 | if (feof($this->_fp)) {
|
---|
1100 | $ok = false;
|
---|
1101 | break; // ERROR: Unexpected EOF
|
---|
1102 | }
|
---|
1103 | if ($length < 2) {
|
---|
1104 | $ok = false;
|
---|
1105 | break; // ERROR: Extraneous data
|
---|
1106 | }
|
---|
1107 | $length = $length - 2; // The length we got counts itself
|
---|
1108 |
|
---|
1109 | unset($data);
|
---|
1110 | if ($marker == 0xE1) { // APP1: EXIF data
|
---|
1111 | $data =& $this->_createMarkerEXIF();
|
---|
1112 | $wroteEXIF = true;
|
---|
1113 | }
|
---|
1114 | elseif ($marker == 0xED) { // APP13: IPTC / Photoshop data
|
---|
1115 | $data =& $this->_createMarkerAdobe();
|
---|
1116 | $wroteAdobe = true;
|
---|
1117 | }
|
---|
1118 | elseif ($marker == 0xDA) { // SOS: Start of scan... the image itself and the last block on the file
|
---|
1119 | $done = true;
|
---|
1120 | }
|
---|
1121 |
|
---|
1122 | if (!$wroteEXIF && (($marker < 0xE0) || ($marker > 0xEF))) {
|
---|
1123 | if (isset($this->_info['exif']) && is_array($this->_info['exif'])) {
|
---|
1124 | $exif =& $this->_createMarkerEXIF();
|
---|
1125 | $this->_writeJPEGMarker(0xE1, strlen($exif), $exif, 0);
|
---|
1126 | unset($exif);
|
---|
1127 | }
|
---|
1128 | $wroteEXIF = true;
|
---|
1129 | }
|
---|
1130 |
|
---|
1131 | if (!$wroteAdobe && (($marker < 0xE0) || ($marker > 0xEF))) {
|
---|
1132 | if ((isset($this->_info['adobe']) && is_array($this->_info['adobe']))
|
---|
1133 | || (isset($this->_info['iptc']) && is_array($this->_info['iptc']))) {
|
---|
1134 | $adobe =& $this->_createMarkerAdobe();
|
---|
1135 | $this->_writeJPEGMarker(0xED, strlen($adobe), $adobe, 0);
|
---|
1136 | unset($adobe);
|
---|
1137 | }
|
---|
1138 | $wroteAdobe = true;
|
---|
1139 | }
|
---|
1140 |
|
---|
1141 | $origLength = $length;
|
---|
1142 | if (isset($data)) {
|
---|
1143 | $length = strlen($data);
|
---|
1144 | }
|
---|
1145 |
|
---|
1146 | if ($marker != -1) {
|
---|
1147 | $this->_writeJPEGMarker($marker, $length, $data, $origLength);
|
---|
1148 | }
|
---|
1149 | }
|
---|
1150 |
|
---|
1151 | if ($this->_fp) {
|
---|
1152 | fclose($this->_fp);
|
---|
1153 | $this->_fp = null;
|
---|
1154 | }
|
---|
1155 |
|
---|
1156 | if ($this->_fpout) {
|
---|
1157 | fclose($this->_fpout);
|
---|
1158 | $this->_fpout = null;
|
---|
1159 | }
|
---|
1160 |
|
---|
1161 | return $ok;
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 | /*************************************************************/
|
---|
1165 | function _writeJPEGMarker($marker, $length, &$data, $origLength) {
|
---|
1166 | if ($length <= 0) {
|
---|
1167 | return false;
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 | fputs($this->_fpout, chr(0xFF), 1);
|
---|
1171 | fputs($this->_fpout, chr($marker), 1);
|
---|
1172 | fputs($this->_fpout, chr((($length + 2) & 0x0000FF00) >> 8), 1);
|
---|
1173 | fputs($this->_fpout, chr((($length + 2) & 0x000000FF) >> 0), 1);
|
---|
1174 |
|
---|
1175 | if (isset($data)) {
|
---|
1176 | // Copy the generated data
|
---|
1177 | fputs($this->_fpout, $data, $length);
|
---|
1178 |
|
---|
1179 | if ($origLength > 0) { // Skip the original data
|
---|
1180 | $result = @fseek($this->_fp, $origLength, SEEK_CUR);
|
---|
1181 | // fseek doesn't seem to like HTTP 'files', but fgetc has no problem
|
---|
1182 | if ($result != 0) {
|
---|
1183 | for ($i = 0; $i < $origLength; $i++) {
|
---|
1184 | fgetc($this->_fp);
|
---|
1185 | }
|
---|
1186 | }
|
---|
1187 | }
|
---|
1188 | } else {
|
---|
1189 | if ($marker == 0xDA) { // Copy until EOF
|
---|
1190 | while (!feof($this->_fp)) {
|
---|
1191 | $data = fread($this->_fp, 1024 * 16);
|
---|
1192 | fputs($this->_fpout, $data, strlen($data));
|
---|
1193 | }
|
---|
1194 | } else { // Copy only $length bytes
|
---|
1195 | $data = @fread($this->_fp, $length);
|
---|
1196 | fputs($this->_fpout, $data, $length);
|
---|
1197 | }
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | return true;
|
---|
1201 | }
|
---|
1202 |
|
---|
1203 | /**
|
---|
1204 | * Gets basic info from the file - should work with non-JPEGs
|
---|
1205 | *
|
---|
1206 | * @author Sebastian Delmont <[email protected]>
|
---|
1207 | * @author Andreas Gohr <[email protected]>
|
---|
1208 | */
|
---|
1209 | function _parseFileInfo() {
|
---|
1210 | if (file_exists($this->_fileName)) {
|
---|
1211 | $this->_info['file'] = array();
|
---|
1212 | $this->_info['file']['Name'] = basename($this->_fileName);
|
---|
1213 | $this->_info['file']['Path'] = fullpath($this->_fileName);
|
---|
1214 | $this->_info['file']['Size'] = filesize($this->_fileName);
|
---|
1215 | if ($this->_info['file']['Size'] < 1024) {
|
---|
1216 | $this->_info['file']['NiceSize'] = $this->_info['file']['Size'] . 'B';
|
---|
1217 | } elseif ($this->_info['file']['Size'] < (1024 * 1024)) {
|
---|
1218 | $this->_info['file']['NiceSize'] = round($this->_info['file']['Size'] / 1024) . 'KB';
|
---|
1219 | } elseif ($this->_info['file']['Size'] < (1024 * 1024 * 1024)) {
|
---|
1220 | $this->_info['file']['NiceSize'] = round($this->_info['file']['Size'] / (1024*1024)) . 'MB';
|
---|
1221 | } else {
|
---|
1222 | $this->_info['file']['NiceSize'] = $this->_info['file']['Size'] . 'B';
|
---|
1223 | }
|
---|
1224 | $this->_info['file']['UnixTime'] = filemtime($this->_fileName);
|
---|
1225 |
|
---|
1226 | // get image size directly from file
|
---|
1227 | $size = getimagesize($this->_fileName);
|
---|
1228 | $this->_info['file']['Width'] = $size[0];
|
---|
1229 | $this->_info['file']['Height'] = $size[1];
|
---|
1230 | // set mime types and formats
|
---|
1231 | // http://www.php.net/manual/en/function.getimagesize.php
|
---|
1232 | // http://www.php.net/manual/en/function.image-type-to-mime-type.php
|
---|
1233 | switch ($size[2]){
|
---|
1234 | case 1:
|
---|
1235 | $this->_info['file']['Mime'] = 'image/gif';
|
---|
1236 | $this->_info['file']['Format'] = 'GIF';
|
---|
1237 | break;
|
---|
1238 | case 2:
|
---|
1239 | $this->_info['file']['Mime'] = 'image/jpeg';
|
---|
1240 | $this->_info['file']['Format'] = 'JPEG';
|
---|
1241 | break;
|
---|
1242 | case 3:
|
---|
1243 | $this->_info['file']['Mime'] = 'image/png';
|
---|
1244 | $this->_info['file']['Format'] = 'PNG';
|
---|
1245 | break;
|
---|
1246 | case 4:
|
---|
1247 | $this->_info['file']['Mime'] = 'application/x-shockwave-flash';
|
---|
1248 | $this->_info['file']['Format'] = 'SWF';
|
---|
1249 | break;
|
---|
1250 | case 5:
|
---|
1251 | $this->_info['file']['Mime'] = 'image/psd';
|
---|
1252 | $this->_info['file']['Format'] = 'PSD';
|
---|
1253 | break;
|
---|
1254 | case 6:
|
---|
1255 | $this->_info['file']['Mime'] = 'image/bmp';
|
---|
1256 | $this->_info['file']['Format'] = 'BMP';
|
---|
1257 | break;
|
---|
1258 | case 7:
|
---|
1259 | $this->_info['file']['Mime'] = 'image/tiff';
|
---|
1260 | $this->_info['file']['Format'] = 'TIFF (Intel)';
|
---|
1261 | break;
|
---|
1262 | case 8:
|
---|
1263 | $this->_info['file']['Mime'] = 'image/tiff';
|
---|
1264 | $this->_info['file']['Format'] = 'TIFF (Motorola)';
|
---|
1265 | break;
|
---|
1266 | case 9:
|
---|
1267 | $this->_info['file']['Mime'] = 'application/octet-stream';
|
---|
1268 | $this->_info['file']['Format'] = 'JPC';
|
---|
1269 | break;
|
---|
1270 | case 10:
|
---|
1271 | $this->_info['file']['Mime'] = 'image/jp2';
|
---|
1272 | $this->_info['file']['Format'] = 'JP2';
|
---|
1273 | break;
|
---|
1274 | case 11:
|
---|
1275 | $this->_info['file']['Mime'] = 'application/octet-stream';
|
---|
1276 | $this->_info['file']['Format'] = 'JPX';
|
---|
1277 | break;
|
---|
1278 | case 12:
|
---|
1279 | $this->_info['file']['Mime'] = 'application/octet-stream';
|
---|
1280 | $this->_info['file']['Format'] = 'JB2';
|
---|
1281 | break;
|
---|
1282 | case 13:
|
---|
1283 | $this->_info['file']['Mime'] = 'application/x-shockwave-flash';
|
---|
1284 | $this->_info['file']['Format'] = 'SWC';
|
---|
1285 | break;
|
---|
1286 | case 14:
|
---|
1287 | $this->_info['file']['Mime'] = 'image/iff';
|
---|
1288 | $this->_info['file']['Format'] = 'IFF';
|
---|
1289 | break;
|
---|
1290 | case 15:
|
---|
1291 | $this->_info['file']['Mime'] = 'image/vnd.wap.wbmp';
|
---|
1292 | $this->_info['file']['Format'] = 'WBMP';
|
---|
1293 | break;
|
---|
1294 | case 16:
|
---|
1295 | $this->_info['file']['Mime'] = 'image/xbm';
|
---|
1296 | $this->_info['file']['Format'] = 'XBM';
|
---|
1297 | break;
|
---|
1298 | default:
|
---|
1299 | $this->_info['file']['Mime'] = 'image/unknown';
|
---|
1300 | }
|
---|
1301 | } else {
|
---|
1302 | $this->_info['file'] = array();
|
---|
1303 | $this->_info['file']['Name'] = basename($this->_fileName);
|
---|
1304 | $this->_info['file']['Url'] = $this->_fileName;
|
---|
1305 | }
|
---|
1306 |
|
---|
1307 | return true;
|
---|
1308 | }
|
---|
1309 |
|
---|
1310 | /*************************************************************/
|
---|
1311 | function _parseMarkerJFIF() {
|
---|
1312 | if (!isset($this->_markers)) {
|
---|
1313 | $this->_readJPEG();
|
---|
1314 | }
|
---|
1315 |
|
---|
1316 | if ($this->_markers == null) {
|
---|
1317 | return false;
|
---|
1318 | }
|
---|
1319 |
|
---|
1320 | $data = null;
|
---|
1321 | $count = count($this->_markers);
|
---|
1322 | for ($i = 0; $i < $count; $i++) {
|
---|
1323 | if ($this->_markers[$i]['marker'] == 0xE0) {
|
---|
1324 | $signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 4);
|
---|
1325 | if ($signature == 'JFIF') {
|
---|
1326 | $data =& $this->_markers[$i]['data'];
|
---|
1327 | break;
|
---|
1328 | }
|
---|
1329 | }
|
---|
1330 | }
|
---|
1331 |
|
---|
1332 | if ($data == null) {
|
---|
1333 | $this->_info['jfif'] = false;
|
---|
1334 | return false;
|
---|
1335 | }
|
---|
1336 |
|
---|
1337 | $pos = 0;
|
---|
1338 | $this->_info['jfif'] = array();
|
---|
1339 |
|
---|
1340 | $vmaj = $this->_getByte($data, 5);
|
---|
1341 | $vmin = $this->_getByte($data, 6);
|
---|
1342 |
|
---|
1343 | $this->_info['jfif']['Version'] = sprintf('%d.%02d', $vmaj, $vmin);
|
---|
1344 |
|
---|
1345 | $units = $this->_getByte($data, 7);
|
---|
1346 | switch ($units) {
|
---|
1347 | case 0:
|
---|
1348 | $this->_info['jfif']['Units'] = 'pixels';
|
---|
1349 | break;
|
---|
1350 | case 1:
|
---|
1351 | $this->_info['jfif']['Units'] = 'dpi';
|
---|
1352 | break;
|
---|
1353 | case 2:
|
---|
1354 | $this->_info['jfif']['Units'] = 'dpcm';
|
---|
1355 | break;
|
---|
1356 | default:
|
---|
1357 | $this->_info['jfif']['Units'] = 'unknown';
|
---|
1358 | break;
|
---|
1359 | }
|
---|
1360 |
|
---|
1361 | $xdens = $this->_getShort($data, 8);
|
---|
1362 | $ydens = $this->_getShort($data, 10);
|
---|
1363 |
|
---|
1364 | $this->_info['jfif']['XDensity'] = $xdens;
|
---|
1365 | $this->_info['jfif']['YDensity'] = $ydens;
|
---|
1366 |
|
---|
1367 | $thumbx = $this->_getByte($data, 12);
|
---|
1368 | $thumby = $this->_getByte($data, 13);
|
---|
1369 |
|
---|
1370 | $this->_info['jfif']['ThumbnailWidth'] = $thumbx;
|
---|
1371 | $this->_info['jfif']['ThumbnailHeight'] = $thumby;
|
---|
1372 |
|
---|
1373 | return true;
|
---|
1374 | }
|
---|
1375 |
|
---|
1376 | /*************************************************************/
|
---|
1377 | function _parseMarkerSOF() {
|
---|
1378 | if (!isset($this->_markers)) {
|
---|
1379 | $this->_readJPEG();
|
---|
1380 | }
|
---|
1381 |
|
---|
1382 | if ($this->_markers == null) {
|
---|
1383 | return false;
|
---|
1384 | }
|
---|
1385 |
|
---|
1386 | $data = null;
|
---|
1387 | $count = count($this->_markers);
|
---|
1388 | for ($i = 0; $i < $count; $i++) {
|
---|
1389 | switch ($this->_markers[$i]['marker']) {
|
---|
1390 | case 0xC0: // SOF0
|
---|
1391 | case 0xC1: // SOF1
|
---|
1392 | case 0xC2: // SOF2
|
---|
1393 | case 0xC9: // SOF9
|
---|
1394 | $data =& $this->_markers[$i]['data'];
|
---|
1395 | $marker = $this->_markers[$i]['marker'];
|
---|
1396 | break;
|
---|
1397 | }
|
---|
1398 | }
|
---|
1399 |
|
---|
1400 | if ($data == null) {
|
---|
1401 | $this->_info['sof'] = false;
|
---|
1402 | return false;
|
---|
1403 | }
|
---|
1404 |
|
---|
1405 | $pos = 0;
|
---|
1406 | $this->_info['sof'] = array();
|
---|
1407 |
|
---|
1408 | switch ($marker) {
|
---|
1409 | case 0xC0: // SOF0
|
---|
1410 | $format = 'Baseline';
|
---|
1411 | break;
|
---|
1412 | case 0xC1: // SOF1
|
---|
1413 | $format = 'Progessive';
|
---|
1414 | break;
|
---|
1415 | case 0xC2: // SOF2
|
---|
1416 | $format = 'Non-baseline';
|
---|
1417 | break;
|
---|
1418 | case 0xC9: // SOF9
|
---|
1419 | $format = 'Arithmetic';
|
---|
1420 | break;
|
---|
1421 | default:
|
---|
1422 | return false;
|
---|
1423 | break;
|
---|
1424 | }
|
---|
1425 |
|
---|
1426 | $this->_info['sof']['Format'] = $format;
|
---|
1427 | $this->_info['sof']['SamplePrecision'] = $this->_getByte($data, $pos + 0);
|
---|
1428 | $this->_info['sof']['ImageHeight'] = $this->_getShort($data, $pos + 1);
|
---|
1429 | $this->_info['sof']['ImageWidth'] = $this->_getShort($data, $pos + 3);
|
---|
1430 | $this->_info['sof']['ColorChannels'] = $this->_getByte($data, $pos + 5);
|
---|
1431 |
|
---|
1432 | return true;
|
---|
1433 | }
|
---|
1434 |
|
---|
1435 | /**
|
---|
1436 | * Parses the XMP data
|
---|
1437 | *
|
---|
1438 | * @author Hakan Sandell <[email protected]>
|
---|
1439 | */
|
---|
1440 | function _parseMarkerXmp() {
|
---|
1441 | if (!isset($this->_markers)) {
|
---|
1442 | $this->_readJPEG();
|
---|
1443 | }
|
---|
1444 |
|
---|
1445 | if ($this->_markers == null) {
|
---|
1446 | return false;
|
---|
1447 | }
|
---|
1448 |
|
---|
1449 | $data = null;
|
---|
1450 | $count = count($this->_markers);
|
---|
1451 | for ($i = 0; $i < $count; $i++) {
|
---|
1452 | if ($this->_markers[$i]['marker'] == 0xE1) {
|
---|
1453 | $signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 29);
|
---|
1454 | if ($signature == "http://ns.adobe.com/xap/1.0/\0") {
|
---|
1455 | $data =& substr($this->_markers[$i]['data'], 29);
|
---|
1456 | break;
|
---|
1457 | }
|
---|
1458 | }
|
---|
1459 | }
|
---|
1460 |
|
---|
1461 | if ($data == null) {
|
---|
1462 | $this->_info['xmp'] = false;
|
---|
1463 | return false;
|
---|
1464 | }
|
---|
1465 |
|
---|
1466 | $parser = xml_parser_create();
|
---|
1467 | xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
|
---|
1468 | xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
|
---|
1469 | $result = xml_parse_into_struct($parser, $data, $values, $tags);
|
---|
1470 | xml_parser_free($parser);
|
---|
1471 |
|
---|
1472 | if ($result == 0) {
|
---|
1473 | $this->_info['xmp'] = false;
|
---|
1474 | return false;
|
---|
1475 | }
|
---|
1476 |
|
---|
1477 | $this->_info['xmp'] = array();
|
---|
1478 | $count = count($values);
|
---|
1479 | for ($i = 0; $i < $count; $i++) {
|
---|
1480 | if ($values[$i]['tag'] == 'rdf:Description' && $values[$i]['type'] == 'open') {
|
---|
1481 |
|
---|
1482 | while ((++$i < $count) && ($values[$i]['tag'] != 'rdf:Description')) {
|
---|
1483 | $this->_parseXmpNode($values, $i, $this->_info['xmp'][$values[$i]['tag']], $count);
|
---|
1484 | }
|
---|
1485 | }
|
---|
1486 | }
|
---|
1487 | return true;
|
---|
1488 | }
|
---|
1489 |
|
---|
1490 | /**
|
---|
1491 | * Parses XMP nodes by recursion
|
---|
1492 | *
|
---|
1493 | * @author Hakan Sandell <[email protected]>
|
---|
1494 | */
|
---|
1495 | function _parseXmpNode($values, &$i, &$meta, $count) {
|
---|
1496 | if ($values[$i]['type'] == 'close') return;
|
---|
1497 |
|
---|
1498 | if ($values[$i]['type'] == 'complete') {
|
---|
1499 | // Simple Type property
|
---|
1500 | $meta = $values[$i]['value'];
|
---|
1501 | return;
|
---|
1502 | }
|
---|
1503 |
|
---|
1504 | $i++;
|
---|
1505 | if ($i >= $count) return;
|
---|
1506 |
|
---|
1507 | if ($values[$i]['tag'] == 'rdf:Bag' || $values[$i]['tag'] == 'rdf:Seq') {
|
---|
1508 | // Array property
|
---|
1509 | $meta = array();
|
---|
1510 | while ($values[++$i]['tag'] == 'rdf:li') {
|
---|
1511 | $this->_parseXmpNode($values, $i, $meta[], $count);
|
---|
1512 | }
|
---|
1513 | $i++; // skip closing Bag/Seq tag
|
---|
1514 |
|
---|
1515 | } elseif ($values[$i]['tag'] == 'rdf:Alt') {
|
---|
1516 | // Language Alternative property, only the first (default) value is used
|
---|
1517 | if ($values[$i]['type'] == 'open') {
|
---|
1518 | $i++;
|
---|
1519 | $this->_parseXmpNode($values, $i, $meta, $count);
|
---|
1520 | while ((++$i < $count) && ($values[$i]['tag'] != 'rdf:Alt'));
|
---|
1521 | $i++; // skip closing Alt tag
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 | } else {
|
---|
1525 | // Structure property
|
---|
1526 | $meta = array();
|
---|
1527 | $startTag = $values[$i-1]['tag'];
|
---|
1528 | do {
|
---|
1529 | $this->_parseXmpNode($values, $i, $meta[$values[$i]['tag']], $count);
|
---|
1530 | } while ((++$i < $count) && ($values[$i]['tag'] != $startTag));
|
---|
1531 | }
|
---|
1532 | }
|
---|
1533 |
|
---|
1534 | /*************************************************************/
|
---|
1535 | function _parseMarkerExif() {
|
---|
1536 | if (!isset($this->_markers)) {
|
---|
1537 | $this->_readJPEG();
|
---|
1538 | }
|
---|
1539 |
|
---|
1540 | if ($this->_markers == null) {
|
---|
1541 | return false;
|
---|
1542 | }
|
---|
1543 |
|
---|
1544 | $data = null;
|
---|
1545 | $count = count($this->_markers);
|
---|
1546 | for ($i = 0; $i < $count; $i++) {
|
---|
1547 | if ($this->_markers[$i]['marker'] == 0xE1) {
|
---|
1548 | $signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 6);
|
---|
1549 | if ($signature == "Exif\0\0") {
|
---|
1550 | $data =& $this->_markers[$i]['data'];
|
---|
1551 | break;
|
---|
1552 | }
|
---|
1553 | }
|
---|
1554 | }
|
---|
1555 |
|
---|
1556 | if ($data == null) {
|
---|
1557 | $this->_info['exif'] = false;
|
---|
1558 | return false;
|
---|
1559 | }
|
---|
1560 | $pos = 6;
|
---|
1561 | $this->_info['exif'] = array();
|
---|
1562 |
|
---|
1563 | // We don't increment $pos after this because Exif uses offsets relative to this point
|
---|
1564 |
|
---|
1565 | $byteAlign = $this->_getShort($data, $pos + 0);
|
---|
1566 |
|
---|
1567 | if ($byteAlign == 0x4949) { // "II"
|
---|
1568 | $isBigEndian = false;
|
---|
1569 | } elseif ($byteAlign == 0x4D4D) { // "MM"
|
---|
1570 | $isBigEndian = true;
|
---|
1571 | } else {
|
---|
1572 | return false; // Unexpected data
|
---|
1573 | }
|
---|
1574 |
|
---|
1575 | $alignCheck = $this->_getShort($data, $pos + 2, $isBigEndian);
|
---|
1576 | if ($alignCheck != 0x002A) // That's the expected value
|
---|
1577 | return false; // Unexpected data
|
---|
1578 |
|
---|
1579 | if ($isBigEndian) {
|
---|
1580 | $this->_info['exif']['ByteAlign'] = "Big Endian";
|
---|
1581 | } else {
|
---|
1582 | $this->_info['exif']['ByteAlign'] = "Little Endian";
|
---|
1583 | }
|
---|
1584 |
|
---|
1585 | $offsetIFD0 = $this->_getLong($data, $pos + 4, $isBigEndian);
|
---|
1586 | if ($offsetIFD0 < 8)
|
---|
1587 | return false; // Unexpected data
|
---|
1588 |
|
---|
1589 | $offsetIFD1 = $this->_readIFD($data, $pos, $offsetIFD0, $isBigEndian, 'ifd0');
|
---|
1590 | if ($offsetIFD1 != 0)
|
---|
1591 | $this->_readIFD($data, $pos, $offsetIFD1, $isBigEndian, 'ifd1');
|
---|
1592 |
|
---|
1593 | return true;
|
---|
1594 | }
|
---|
1595 |
|
---|
1596 | /*************************************************************/
|
---|
1597 | function _readIFD($data, $base, $offset, $isBigEndian, $mode) {
|
---|
1598 | $EXIFTags = $this->_exifTagNames($mode);
|
---|
1599 |
|
---|
1600 | $numEntries = $this->_getShort($data, $base + $offset, $isBigEndian);
|
---|
1601 | $offset += 2;
|
---|
1602 |
|
---|
1603 | $exifTIFFOffset = 0;
|
---|
1604 | $exifTIFFLength = 0;
|
---|
1605 | $exifThumbnailOffset = 0;
|
---|
1606 | $exifThumbnailLength = 0;
|
---|
1607 |
|
---|
1608 | for ($i = 0; $i < $numEntries; $i++) {
|
---|
1609 | $tag = $this->_getShort($data, $base + $offset, $isBigEndian);
|
---|
1610 | $offset += 2;
|
---|
1611 | $type = $this->_getShort($data, $base + $offset, $isBigEndian);
|
---|
1612 | $offset += 2;
|
---|
1613 | $count = $this->_getLong($data, $base + $offset, $isBigEndian);
|
---|
1614 | $offset += 4;
|
---|
1615 |
|
---|
1616 | if (($type < 1) || ($type > 12))
|
---|
1617 | return false; // Unexpected Type
|
---|
1618 |
|
---|
1619 | $typeLengths = array( -1, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8 );
|
---|
1620 |
|
---|
1621 | $dataLength = $typeLengths[$type] * $count;
|
---|
1622 | if ($dataLength > 4) {
|
---|
1623 | $dataOffset = $this->_getLong($data, $base + $offset, $isBigEndian);
|
---|
1624 | $rawValue = $this->_getFixedString($data, $base + $dataOffset, $dataLength);
|
---|
1625 | } else {
|
---|
1626 | $rawValue = $this->_getFixedString($data, $base + $offset, $dataLength);
|
---|
1627 | }
|
---|
1628 | $offset += 4;
|
---|
1629 |
|
---|
1630 | switch ($type) {
|
---|
1631 | case 1: // UBYTE
|
---|
1632 | if ($count == 1) {
|
---|
1633 | $value = $this->_getByte($rawValue, 0);
|
---|
1634 | } else {
|
---|
1635 | $value = array();
|
---|
1636 | for ($j = 0; $j < $count; $j++)
|
---|
1637 | $value[$j] = $this->_getByte($rawValue, $j);
|
---|
1638 | }
|
---|
1639 | break;
|
---|
1640 | case 2: // ASCII
|
---|
1641 | $value = $rawValue;
|
---|
1642 | break;
|
---|
1643 | case 3: // USHORT
|
---|
1644 | if ($count == 1) {
|
---|
1645 | $value = $this->_getShort($rawValue, 0, $isBigEndian);
|
---|
1646 | } else {
|
---|
1647 | $value = array();
|
---|
1648 | for ($j = 0; $j < $count; $j++)
|
---|
1649 | $value[$j] = $this->_getShort($rawValue, $j * 2, $isBigEndian);
|
---|
1650 | }
|
---|
1651 | break;
|
---|
1652 | case 4: // ULONG
|
---|
1653 | if ($count == 1) {
|
---|
1654 | $value = $this->_getLong($rawValue, 0, $isBigEndian);
|
---|
1655 | } else {
|
---|
1656 | $value = array();
|
---|
1657 | for ($j = 0; $j < $count; $j++)
|
---|
1658 | $value[$j] = $this->_getLong($rawValue, $j * 4, $isBigEndian);
|
---|
1659 | }
|
---|
1660 | break;
|
---|
1661 | case 5: // URATIONAL
|
---|
1662 | if ($count == 1) {
|
---|
1663 | $a = $this->_getLong($rawValue, 0, $isBigEndian);
|
---|
1664 | $b = $this->_getLong($rawValue, 4, $isBigEndian);
|
---|
1665 | $value = array();
|
---|
1666 | $value['val'] = 0;
|
---|
1667 | $value['num'] = $a;
|
---|
1668 | $value['den'] = $b;
|
---|
1669 | if (($a != 0) && ($b != 0)) {
|
---|
1670 | $value['val'] = $a / $b;
|
---|
1671 | }
|
---|
1672 | } else {
|
---|
1673 | $value = array();
|
---|
1674 | for ($j = 0; $j < $count; $j++) {
|
---|
1675 | $a = $this->_getLong($rawValue, $j * 8, $isBigEndian);
|
---|
1676 | $b = $this->_getLong($rawValue, ($j * 8) + 4, $isBigEndian);
|
---|
1677 | $value = array();
|
---|
1678 | $value[$j]['val'] = 0;
|
---|
1679 | $value[$j]['num'] = $a;
|
---|
1680 | $value[$j]['den'] = $b;
|
---|
1681 | if (($a != 0) && ($b != 0))
|
---|
1682 | $value[$j]['val'] = $a / $b;
|
---|
1683 | }
|
---|
1684 | }
|
---|
1685 | break;
|
---|
1686 | case 6: // SBYTE
|
---|
1687 | if ($count == 1) {
|
---|
1688 | $value = $this->_getByte($rawValue, 0);
|
---|
1689 | } else {
|
---|
1690 | $value = array();
|
---|
1691 | for ($j = 0; $j < $count; $j++)
|
---|
1692 | $value[$j] = $this->_getByte($rawValue, $j);
|
---|
1693 | }
|
---|
1694 | break;
|
---|
1695 | case 7: // UNDEFINED
|
---|
1696 | $value = $rawValue;
|
---|
1697 | break;
|
---|
1698 | case 8: // SSHORT
|
---|
1699 | if ($count == 1) {
|
---|
1700 | $value = $this->_getShort($rawValue, 0, $isBigEndian);
|
---|
1701 | } else {
|
---|
1702 | $value = array();
|
---|
1703 | for ($j = 0; $j < $count; $j++)
|
---|
1704 | $value[$j] = $this->_getShort($rawValue, $j * 2, $isBigEndian);
|
---|
1705 | }
|
---|
1706 | break;
|
---|
1707 | case 9: // SLONG
|
---|
1708 | if ($count == 1) {
|
---|
1709 | $value = $this->_getLong($rawValue, 0, $isBigEndian);
|
---|
1710 | } else {
|
---|
1711 | $value = array();
|
---|
1712 | for ($j = 0; $j < $count; $j++)
|
---|
1713 | $value[$j] = $this->_getLong($rawValue, $j * 4, $isBigEndian);
|
---|
1714 | }
|
---|
1715 | break;
|
---|
1716 | case 10: // SRATIONAL
|
---|
1717 | if ($count == 1) {
|
---|
1718 | $a = $this->_getLong($rawValue, 0, $isBigEndian);
|
---|
1719 | $b = $this->_getLong($rawValue, 4, $isBigEndian);
|
---|
1720 | $value = array();
|
---|
1721 | $value['val'] = 0;
|
---|
1722 | $value['num'] = $a;
|
---|
1723 | $value['den'] = $b;
|
---|
1724 | if (($a != 0) && ($b != 0))
|
---|
1725 | $value['val'] = $a / $b;
|
---|
1726 | } else {
|
---|
1727 | $value = array();
|
---|
1728 | for ($j = 0; $j < $count; $j++) {
|
---|
1729 | $a = $this->_getLong($rawValue, $j * 8, $isBigEndian);
|
---|
1730 | $b = $this->_getLong($rawValue, ($j * 8) + 4, $isBigEndian);
|
---|
1731 | $value = array();
|
---|
1732 | $value[$j]['val'] = 0;
|
---|
1733 | $value[$j]['num'] = $a;
|
---|
1734 | $value[$j]['den'] = $b;
|
---|
1735 | if (($a != 0) && ($b != 0))
|
---|
1736 | $value[$j]['val'] = $a / $b;
|
---|
1737 | }
|
---|
1738 | }
|
---|
1739 | break;
|
---|
1740 | case 11: // FLOAT
|
---|
1741 | $value = $rawValue;
|
---|
1742 | break;
|
---|
1743 |
|
---|
1744 | case 12: // DFLOAT
|
---|
1745 | $value = $rawValue;
|
---|
1746 | break;
|
---|
1747 | default:
|
---|
1748 | return false; // Unexpected Type
|
---|
1749 | }
|
---|
1750 |
|
---|
1751 | $tagName = '';
|
---|
1752 | if (($mode == 'ifd0') && ($tag == 0x8769)) { // ExifIFDOffset
|
---|
1753 | $this->_readIFD($data, $base, $value, $isBigEndian, 'exif');
|
---|
1754 | } elseif (($mode == 'ifd0') && ($tag == 0x8825)) { // GPSIFDOffset
|
---|
1755 | $this->_readIFD($data, $base, $value, $isBigEndian, 'gps');
|
---|
1756 | } elseif (($mode == 'ifd1') && ($tag == 0x0111)) { // TIFFStripOffsets
|
---|
1757 | $exifTIFFOffset = $value;
|
---|
1758 | } elseif (($mode == 'ifd1') && ($tag == 0x0117)) { // TIFFStripByteCounts
|
---|
1759 | $exifTIFFLength = $value;
|
---|
1760 | } elseif (($mode == 'ifd1') && ($tag == 0x0201)) { // TIFFJFIFOffset
|
---|
1761 | $exifThumbnailOffset = $value;
|
---|
1762 | } elseif (($mode == 'ifd1') && ($tag == 0x0202)) { // TIFFJFIFLength
|
---|
1763 | $exifThumbnailLength = $value;
|
---|
1764 | } elseif (($mode == 'exif') && ($tag == 0xA005)) { // InteropIFDOffset
|
---|
1765 | $this->_readIFD($data, $base, $value, $isBigEndian, 'interop');
|
---|
1766 | }
|
---|
1767 | // elseif (($mode == 'exif') && ($tag == 0x927C)) { // MakerNote
|
---|
1768 | // }
|
---|
1769 | else {
|
---|
1770 | if (isset($EXIFTags[$tag])) {
|
---|
1771 | $tagName = $EXIFTags[$tag];
|
---|
1772 | if (isset($this->_info['exif'][$tagName])) {
|
---|
1773 | if (!is_array($this->_info['exif'][$tagName])) {
|
---|
1774 | $aux = array();
|
---|
1775 | $aux[0] = $this->_info['exif'][$tagName];
|
---|
1776 | $this->_info['exif'][$tagName] = $aux;
|
---|
1777 | }
|
---|
1778 |
|
---|
1779 | $this->_info['exif'][$tagName][count($this->_info['exif'][$tagName])] = $value;
|
---|
1780 | } else {
|
---|
1781 | $this->_info['exif'][$tagName] = $value;
|
---|
1782 | }
|
---|
1783 | }
|
---|
1784 | /*
|
---|
1785 | else {
|
---|
1786 | echo sprintf("<h1>Unknown tag %02x (t: %d l: %d) %s in %s</h1>", $tag, $type, $count, $mode, $this->_fileName);
|
---|
1787 | // Unknown Tags will be ignored!!!
|
---|
1788 | // That's because the tag might be a pointer (like the Exif tag)
|
---|
1789 | // and saving it without saving the data it points to might
|
---|
1790 | // create an invalid file.
|
---|
1791 | }
|
---|
1792 | */
|
---|
1793 | }
|
---|
1794 | }
|
---|
1795 |
|
---|
1796 | if (($exifThumbnailOffset > 0) && ($exifThumbnailLength > 0)) {
|
---|
1797 | $this->_info['exif']['JFIFThumbnail'] = $this->_getFixedString($data, $base + $exifThumbnailOffset, $exifThumbnailLength);
|
---|
1798 | }
|
---|
1799 |
|
---|
1800 | if (($exifTIFFOffset > 0) && ($exifTIFFLength > 0)) {
|
---|
1801 | $this->_info['exif']['TIFFStrips'] = $this->_getFixedString($data, $base + $exifTIFFOffset, $exifTIFFLength);
|
---|
1802 | }
|
---|
1803 |
|
---|
1804 | $nextOffset = $this->_getLong($data, $base + $offset, $isBigEndian);
|
---|
1805 | return $nextOffset;
|
---|
1806 | }
|
---|
1807 |
|
---|
1808 | /*************************************************************/
|
---|
1809 | function & _createMarkerExif() {
|
---|
1810 | $data = null;
|
---|
1811 | $count = count($this->_markers);
|
---|
1812 | for ($i = 0; $i < $count; $i++) {
|
---|
1813 | if ($this->_markers[$i]['marker'] == 0xE1) {
|
---|
1814 | $signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 6);
|
---|
1815 | if ($signature == "Exif\0\0") {
|
---|
1816 | $data =& $this->_markers[$i]['data'];
|
---|
1817 | break;
|
---|
1818 | }
|
---|
1819 | }
|
---|
1820 | }
|
---|
1821 |
|
---|
1822 | if (!isset($this->_info['exif'])) {
|
---|
1823 | return false;
|
---|
1824 | }
|
---|
1825 |
|
---|
1826 | $data = "Exif\0\0";
|
---|
1827 | $pos = 6;
|
---|
1828 | $offsetBase = 6;
|
---|
1829 |
|
---|
1830 | if (isset($this->_info['exif']['ByteAlign']) && ($this->_info['exif']['ByteAlign'] == "Big Endian")) {
|
---|
1831 | $isBigEndian = true;
|
---|
1832 | $aux = "MM";
|
---|
1833 | $pos = $this->_putString($data, $pos, $aux);
|
---|
1834 | } else {
|
---|
1835 | $isBigEndian = false;
|
---|
1836 | $aux = "II";
|
---|
1837 | $pos = $this->_putString($data, $pos, $aux);
|
---|
1838 | }
|
---|
1839 | $pos = $this->_putShort($data, $pos, 0x002A, $isBigEndian);
|
---|
1840 | $pos = $this->_putLong($data, $pos, 0x00000008, $isBigEndian); // IFD0 Offset is always 8
|
---|
1841 |
|
---|
1842 | $ifd0 =& $this->_getIFDEntries($isBigEndian, 'ifd0');
|
---|
1843 | $ifd1 =& $this->_getIFDEntries($isBigEndian, 'ifd1');
|
---|
1844 |
|
---|
1845 | $pos = $this->_writeIFD($data, $pos, $offsetBase, $ifd0, $isBigEndian, true);
|
---|
1846 | $pos = $this->_writeIFD($data, $pos, $offsetBase, $ifd1, $isBigEndian, false);
|
---|
1847 |
|
---|
1848 | return $data;
|
---|
1849 | }
|
---|
1850 |
|
---|
1851 | /*************************************************************/
|
---|
1852 | function _writeIFD(&$data, $pos, $offsetBase, &$entries, $isBigEndian, $hasNext) {
|
---|
1853 | $tiffData = null;
|
---|
1854 | $tiffDataOffsetPos = -1;
|
---|
1855 |
|
---|
1856 | $entryCount = count($entries);
|
---|
1857 |
|
---|
1858 | $dataPos = $pos + 2 + ($entryCount * 12) + 4;
|
---|
1859 | $pos = $this->_putShort($data, $pos, $entryCount, $isBigEndian);
|
---|
1860 |
|
---|
1861 | for ($i = 0; $i < $entryCount; $i++) {
|
---|
1862 | $tag = $entries[$i]['tag'];
|
---|
1863 | $type = $entries[$i]['type'];
|
---|
1864 |
|
---|
1865 | if ($type == -99) { // SubIFD
|
---|
1866 | $pos = $this->_putShort($data, $pos, $tag, $isBigEndian);
|
---|
1867 | $pos = $this->_putShort($data, $pos, 0x04, $isBigEndian); // LONG
|
---|
1868 | $pos = $this->_putLong($data, $pos, 0x01, $isBigEndian); // Count = 1
|
---|
1869 | $pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian);
|
---|
1870 |
|
---|
1871 | $dataPos = $this->_writeIFD($data, $dataPos, $offsetBase, $entries[$i]['value'], $isBigEndian, false);
|
---|
1872 | } elseif ($type == -98) { // TIFF Data
|
---|
1873 | $pos = $this->_putShort($data, $pos, $tag, $isBigEndian);
|
---|
1874 | $pos = $this->_putShort($data, $pos, 0x04, $isBigEndian); // LONG
|
---|
1875 | $pos = $this->_putLong($data, $pos, 0x01, $isBigEndian); // Count = 1
|
---|
1876 | $tiffDataOffsetPos = $pos;
|
---|
1877 | $pos = $this->_putLong($data, $pos, 0x00, $isBigEndian); // For Now
|
---|
1878 | $tiffData =& $entries[$i]['value'] ;
|
---|
1879 | } else { // Regular Entry
|
---|
1880 | $pos = $this->_putShort($data, $pos, $tag, $isBigEndian);
|
---|
1881 | $pos = $this->_putShort($data, $pos, $type, $isBigEndian);
|
---|
1882 | $pos = $this->_putLong($data, $pos, $entries[$i]['count'], $isBigEndian);
|
---|
1883 | if (strlen($entries[$i]['value']) > 4) {
|
---|
1884 | $pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian);
|
---|
1885 | $dataPos = $this->_putString($data, $dataPos, $entries[$i]['value']);
|
---|
1886 | } else {
|
---|
1887 | $val = str_pad($entries[$i]['value'], 4, "\0");
|
---|
1888 | $pos = $this->_putString($data, $pos, $val);
|
---|
1889 | }
|
---|
1890 | }
|
---|
1891 | }
|
---|
1892 |
|
---|
1893 | if ($tiffData != null) {
|
---|
1894 | $this->_putLong($data, $tiffDataOffsetPos, $dataPos - $offsetBase, $isBigEndian);
|
---|
1895 | $dataPos = $this->_putString($data, $dataPos, $tiffData);
|
---|
1896 | }
|
---|
1897 |
|
---|
1898 | if ($hasNext) {
|
---|
1899 | $pos = $this->_putLong($data, $pos, $dataPos - $offsetBase, $isBigEndian);
|
---|
1900 | } else {
|
---|
1901 | $pos = $this->_putLong($data, $pos, 0, $isBigEndian);
|
---|
1902 | }
|
---|
1903 |
|
---|
1904 | return $dataPos;
|
---|
1905 | }
|
---|
1906 |
|
---|
1907 | /*************************************************************/
|
---|
1908 | function & _getIFDEntries($isBigEndian, $mode) {
|
---|
1909 | $EXIFNames = $this->_exifTagNames($mode);
|
---|
1910 | $EXIFTags = $this->_exifNameTags($mode);
|
---|
1911 | $EXIFTypeInfo = $this->_exifTagTypes($mode);
|
---|
1912 |
|
---|
1913 | $ifdEntries = array();
|
---|
1914 | $entryCount = 0;
|
---|
1915 |
|
---|
1916 | reset($EXIFNames);
|
---|
1917 | while (list($tag, $name) = each($EXIFNames)) {
|
---|
1918 | $type = $EXIFTypeInfo[$tag][0];
|
---|
1919 | $count = $EXIFTypeInfo[$tag][1];
|
---|
1920 | $value = null;
|
---|
1921 |
|
---|
1922 | if (($mode == 'ifd0') && ($tag == 0x8769)) { // ExifIFDOffset
|
---|
1923 | if (isset($this->_info['exif']['EXIFVersion'])) {
|
---|
1924 | $value =& $this->_getIFDEntries($isBigEndian, "exif");
|
---|
1925 | $type = -99;
|
---|
1926 | }
|
---|
1927 | else {
|
---|
1928 | $value = null;
|
---|
1929 | }
|
---|
1930 | } elseif (($mode == 'ifd0') && ($tag == 0x8825)) { // GPSIFDOffset
|
---|
1931 | if (isset($this->_info['exif']['GPSVersionID'])) {
|
---|
1932 | $value =& $this->_getIFDEntries($isBigEndian, "gps");
|
---|
1933 | $type = -99;
|
---|
1934 | } else {
|
---|
1935 | $value = null;
|
---|
1936 | }
|
---|
1937 | } elseif (($mode == 'ifd1') && ($tag == 0x0111)) { // TIFFStripOffsets
|
---|
1938 | if (isset($this->_info['exif']['TIFFStrips'])) {
|
---|
1939 | $value =& $this->_info['exif']['TIFFStrips'];
|
---|
1940 | $type = -98;
|
---|
1941 | } else {
|
---|
1942 | $value = null;
|
---|
1943 | }
|
---|
1944 | } elseif (($mode == 'ifd1') && ($tag == 0x0117)) { // TIFFStripByteCounts
|
---|
1945 | if (isset($this->_info['exif']['TIFFStrips'])) {
|
---|
1946 | $value = strlen($this->_info['exif']['TIFFStrips']);
|
---|
1947 | } else {
|
---|
1948 | $value = null;
|
---|
1949 | }
|
---|
1950 | } elseif (($mode == 'ifd1') && ($tag == 0x0201)) { // TIFFJFIFOffset
|
---|
1951 | if (isset($this->_info['exif']['JFIFThumbnail'])) {
|
---|
1952 | $value =& $this->_info['exif']['JFIFThumbnail'];
|
---|
1953 | $type = -98;
|
---|
1954 | } else {
|
---|
1955 | $value = null;
|
---|
1956 | }
|
---|
1957 | } elseif (($mode == 'ifd1') && ($tag == 0x0202)) { // TIFFJFIFLength
|
---|
1958 | if (isset($this->_info['exif']['JFIFThumbnail'])) {
|
---|
1959 | $value = strlen($this->_info['exif']['JFIFThumbnail']);
|
---|
1960 | } else {
|
---|
1961 | $value = null;
|
---|
1962 | }
|
---|
1963 | } elseif (($mode == 'exif') && ($tag == 0xA005)) { // InteropIFDOffset
|
---|
1964 | if (isset($this->_info['exif']['InteroperabilityIndex'])) {
|
---|
1965 | $value =& $this->_getIFDEntries($isBigEndian, "interop");
|
---|
1966 | $type = -99;
|
---|
1967 | } else {
|
---|
1968 | $value = null;
|
---|
1969 | }
|
---|
1970 | } elseif (isset($this->_info['exif'][$name])) {
|
---|
1971 | $origValue =& $this->_info['exif'][$name];
|
---|
1972 |
|
---|
1973 | // This makes it easier to process variable size elements
|
---|
1974 | if (!is_array($origValue) || isset($origValue['val'])) {
|
---|
1975 | unset($origValue); // Break the reference
|
---|
1976 | $origValue = array($this->_info['exif'][$name]);
|
---|
1977 | }
|
---|
1978 | $origCount = count($origValue);
|
---|
1979 |
|
---|
1980 | if ($origCount == 0 ) {
|
---|
1981 | $type = -1; // To ignore this field
|
---|
1982 | }
|
---|
1983 |
|
---|
1984 | $value = " ";
|
---|
1985 |
|
---|
1986 | switch ($type) {
|
---|
1987 | case 1: // UBYTE
|
---|
1988 | if ($count == 0) {
|
---|
1989 | $count = $origCount;
|
---|
1990 | }
|
---|
1991 |
|
---|
1992 | $j = 0;
|
---|
1993 | while (($j < $count) && ($j < $origCount)) {
|
---|
1994 |
|
---|
1995 | $this->_putByte($value, $j, $origValue[$j]);
|
---|
1996 | $j++;
|
---|
1997 | }
|
---|
1998 |
|
---|
1999 | while ($j < $count) {
|
---|
2000 | $this->_putByte($value, $j, 0);
|
---|
2001 | $j++;
|
---|
2002 | }
|
---|
2003 | break;
|
---|
2004 | case 2: // ASCII
|
---|
2005 | $v = strval($origValue[0]);
|
---|
2006 | if (($count != 0) && (strlen($v) > $count)) {
|
---|
2007 | $v = substr($v, 0, $count);
|
---|
2008 | }
|
---|
2009 | elseif (($count > 0) && (strlen($v) < $count)) {
|
---|
2010 | $v = str_pad($v, $count, "\0");
|
---|
2011 | }
|
---|
2012 |
|
---|
2013 | $count = strlen($v);
|
---|
2014 |
|
---|
2015 | $this->_putString($value, 0, $v);
|
---|
2016 | break;
|
---|
2017 | case 3: // USHORT
|
---|
2018 | if ($count == 0) {
|
---|
2019 | $count = $origCount;
|
---|
2020 | }
|
---|
2021 |
|
---|
2022 | $j = 0;
|
---|
2023 | while (($j < $count) && ($j < $origCount)) {
|
---|
2024 | $this->_putShort($value, $j * 2, $origValue[$j], $isBigEndian);
|
---|
2025 | $j++;
|
---|
2026 | }
|
---|
2027 |
|
---|
2028 | while ($j < $count) {
|
---|
2029 | $this->_putShort($value, $j * 2, 0, $isBigEndian);
|
---|
2030 | $j++;
|
---|
2031 | }
|
---|
2032 | break;
|
---|
2033 | case 4: // ULONG
|
---|
2034 | if ($count == 0) {
|
---|
2035 | $count = $origCount;
|
---|
2036 | }
|
---|
2037 |
|
---|
2038 | $j = 0;
|
---|
2039 | while (($j < $count) && ($j < $origCount)) {
|
---|
2040 | $this->_putLong($value, $j * 4, $origValue[$j], $isBigEndian);
|
---|
2041 | $j++;
|
---|
2042 | }
|
---|
2043 |
|
---|
2044 | while ($j < $count) {
|
---|
2045 | $this->_putLong($value, $j * 4, 0, $isBigEndian);
|
---|
2046 | $j++;
|
---|
2047 | }
|
---|
2048 | break;
|
---|
2049 | case 5: // URATIONAL
|
---|
2050 | if ($count == 0) {
|
---|
2051 | $count = $origCount;
|
---|
2052 | }
|
---|
2053 |
|
---|
2054 | $j = 0;
|
---|
2055 | while (($j < $count) && ($j < $origCount)) {
|
---|
2056 | $v = $origValue[$j];
|
---|
2057 | if (is_array($v)) {
|
---|
2058 | $a = $v['num'];
|
---|
2059 | $b = $v['den'];
|
---|
2060 | }
|
---|
2061 | else {
|
---|
2062 | $a = 0;
|
---|
2063 | $b = 0;
|
---|
2064 | // TODO: Allow other types and convert them
|
---|
2065 | }
|
---|
2066 | $this->_putLong($value, $j * 8, $a, $isBigEndian);
|
---|
2067 | $this->_putLong($value, ($j * 8) + 4, $b, $isBigEndian);
|
---|
2068 | $j++;
|
---|
2069 | }
|
---|
2070 |
|
---|
2071 | while ($j < $count) {
|
---|
2072 | $this->_putLong($value, $j * 8, 0, $isBigEndian);
|
---|
2073 | $this->_putLong($value, ($j * 8) + 4, 0, $isBigEndian);
|
---|
2074 | $j++;
|
---|
2075 | }
|
---|
2076 | break;
|
---|
2077 | case 6: // SBYTE
|
---|
2078 | if ($count == 0) {
|
---|
2079 | $count = $origCount;
|
---|
2080 | }
|
---|
2081 |
|
---|
2082 | $j = 0;
|
---|
2083 | while (($j < $count) && ($j < $origCount)) {
|
---|
2084 | $this->_putByte($value, $j, $origValue[$j]);
|
---|
2085 | $j++;
|
---|
2086 | }
|
---|
2087 |
|
---|
2088 | while ($j < $count) {
|
---|
2089 | $this->_putByte($value, $j, 0);
|
---|
2090 | $j++;
|
---|
2091 | }
|
---|
2092 | break;
|
---|
2093 | case 7: // UNDEFINED
|
---|
2094 | $v = strval($origValue[0]);
|
---|
2095 | if (($count != 0) && (strlen($v) > $count)) {
|
---|
2096 | $v = substr($v, 0, $count);
|
---|
2097 | }
|
---|
2098 | elseif (($count > 0) && (strlen($v) < $count)) {
|
---|
2099 | $v = str_pad($v, $count, "\0");
|
---|
2100 | }
|
---|
2101 |
|
---|
2102 | $count = strlen($v);
|
---|
2103 |
|
---|
2104 | $this->_putString($value, 0, $v);
|
---|
2105 | break;
|
---|
2106 | case 8: // SSHORT
|
---|
2107 | if ($count == 0) {
|
---|
2108 | $count = $origCount;
|
---|
2109 | }
|
---|
2110 |
|
---|
2111 | $j = 0;
|
---|
2112 | while (($j < $count) && ($j < $origCount)) {
|
---|
2113 | $this->_putShort($value, $j * 2, $origValue[$j], $isBigEndian);
|
---|
2114 | $j++;
|
---|
2115 | }
|
---|
2116 |
|
---|
2117 | while ($j < $count) {
|
---|
2118 | $this->_putShort($value, $j * 2, 0, $isBigEndian);
|
---|
2119 | $j++;
|
---|
2120 | }
|
---|
2121 | break;
|
---|
2122 | case 9: // SLONG
|
---|
2123 | if ($count == 0) {
|
---|
2124 | $count = $origCount;
|
---|
2125 | }
|
---|
2126 |
|
---|
2127 | $j = 0;
|
---|
2128 | while (($j < $count) && ($j < $origCount)) {
|
---|
2129 | $this->_putLong($value, $j * 4, $origValue[$j], $isBigEndian);
|
---|
2130 | $j++;
|
---|
2131 | }
|
---|
2132 |
|
---|
2133 | while ($j < $count) {
|
---|
2134 | $this->_putLong($value, $j * 4, 0, $isBigEndian);
|
---|
2135 | $j++;
|
---|
2136 | }
|
---|
2137 | break;
|
---|
2138 | case 10: // SRATIONAL
|
---|
2139 | if ($count == 0) {
|
---|
2140 | $count = $origCount;
|
---|
2141 | }
|
---|
2142 |
|
---|
2143 | $j = 0;
|
---|
2144 | while (($j < $count) && ($j < $origCount)) {
|
---|
2145 | $v = $origValue[$j];
|
---|
2146 | if (is_array($v)) {
|
---|
2147 | $a = $v['num'];
|
---|
2148 | $b = $v['den'];
|
---|
2149 | }
|
---|
2150 | else {
|
---|
2151 | $a = 0;
|
---|
2152 | $b = 0;
|
---|
2153 | // TODO: Allow other types and convert them
|
---|
2154 | }
|
---|
2155 |
|
---|
2156 | $this->_putLong($value, $j * 8, $a, $isBigEndian);
|
---|
2157 | $this->_putLong($value, ($j * 8) + 4, $b, $isBigEndian);
|
---|
2158 | $j++;
|
---|
2159 | }
|
---|
2160 |
|
---|
2161 | while ($j < $count) {
|
---|
2162 | $this->_putLong($value, $j * 8, 0, $isBigEndian);
|
---|
2163 | $this->_putLong($value, ($j * 8) + 4, 0, $isBigEndian);
|
---|
2164 | $j++;
|
---|
2165 | }
|
---|
2166 | break;
|
---|
2167 | case 11: // FLOAT
|
---|
2168 | if ($count == 0) {
|
---|
2169 | $count = $origCount;
|
---|
2170 | }
|
---|
2171 |
|
---|
2172 | $j = 0;
|
---|
2173 | while (($j < $count) && ($j < $origCount)) {
|
---|
2174 | $v = strval($origValue[$j]);
|
---|
2175 | if (strlen($v) > 4) {
|
---|
2176 | $v = substr($v, 0, 4);
|
---|
2177 | }
|
---|
2178 | elseif (strlen($v) < 4) {
|
---|
2179 | $v = str_pad($v, 4, "\0");
|
---|
2180 | }
|
---|
2181 | $this->_putString($value, $j * 4, $v);
|
---|
2182 | $j++;
|
---|
2183 | }
|
---|
2184 |
|
---|
2185 | while ($j < $count) {
|
---|
2186 | $this->_putString($value, $j * 4, "\0\0\0\0");
|
---|
2187 | $j++;
|
---|
2188 | }
|
---|
2189 | break;
|
---|
2190 | case 12: // DFLOAT
|
---|
2191 | if ($count == 0) {
|
---|
2192 | $count = $origCount;
|
---|
2193 | }
|
---|
2194 |
|
---|
2195 | $j = 0;
|
---|
2196 | while (($j < $count) && ($j < $origCount)) {
|
---|
2197 | $v = strval($origValue[$j]);
|
---|
2198 | if (strlen($v) > 8) {
|
---|
2199 | $v = substr($v, 0, 8);
|
---|
2200 | }
|
---|
2201 | elseif (strlen($v) < 8) {
|
---|
2202 | $v = str_pad($v, 8, "\0");
|
---|
2203 | }
|
---|
2204 | $this->_putString($value, $j * 8, $v);
|
---|
2205 | $j++;
|
---|
2206 | }
|
---|
2207 |
|
---|
2208 | while ($j < $count) {
|
---|
2209 | $this->_putString($value, $j * 8, "\0\0\0\0\0\0\0\0");
|
---|
2210 | $j++;
|
---|
2211 | }
|
---|
2212 | break;
|
---|
2213 | default:
|
---|
2214 | $value = null;
|
---|
2215 | break;
|
---|
2216 | }
|
---|
2217 | }
|
---|
2218 |
|
---|
2219 | if ($value != null) {
|
---|
2220 | $ifdEntries[$entryCount] = array();
|
---|
2221 | $ifdEntries[$entryCount]['tag'] = $tag;
|
---|
2222 | $ifdEntries[$entryCount]['type'] = $type;
|
---|
2223 | $ifdEntries[$entryCount]['count'] = $count;
|
---|
2224 | $ifdEntries[$entryCount]['value'] = $value;
|
---|
2225 |
|
---|
2226 | $entryCount++;
|
---|
2227 | }
|
---|
2228 | }
|
---|
2229 |
|
---|
2230 | return $ifdEntries;
|
---|
2231 | }
|
---|
2232 |
|
---|
2233 | /*************************************************************/
|
---|
2234 | function _parseMarkerAdobe() {
|
---|
2235 | if (!isset($this->_markers)) {
|
---|
2236 | $this->_readJPEG();
|
---|
2237 | }
|
---|
2238 |
|
---|
2239 | if ($this->_markers == null) {
|
---|
2240 | return false;
|
---|
2241 | }
|
---|
2242 |
|
---|
2243 | $data = null;
|
---|
2244 | $count = count($this->_markers);
|
---|
2245 | for ($i = 0; $i < $count; $i++) {
|
---|
2246 | if ($this->_markers[$i]['marker'] == 0xED) {
|
---|
2247 | $signature = $this->_getFixedString($this->_markers[$i]['data'], 0, 14);
|
---|
2248 | if ($signature == "Photoshop 3.0\0") {
|
---|
2249 | $data =& $this->_markers[$i]['data'];
|
---|
2250 | break;
|
---|
2251 | }
|
---|
2252 | }
|
---|
2253 | }
|
---|
2254 |
|
---|
2255 | if ($data == null) {
|
---|
2256 | $this->_info['adobe'] = false;
|
---|
2257 | $this->_info['iptc'] = false;
|
---|
2258 | return false;
|
---|
2259 | }
|
---|
2260 | $pos = 14;
|
---|
2261 | $this->_info['adobe'] = array();
|
---|
2262 | $this->_info['adobe']['raw'] = array();
|
---|
2263 | $this->_info['iptc'] = array();
|
---|
2264 |
|
---|
2265 | $datasize = strlen($data);
|
---|
2266 |
|
---|
2267 | while ($pos < $datasize) {
|
---|
2268 | $signature = $this->_getFixedString($data, $pos, 4);
|
---|
2269 | if ($signature != '8BIM')
|
---|
2270 | return false;
|
---|
2271 | $pos += 4;
|
---|
2272 |
|
---|
2273 | $type = $this->_getShort($data, $pos);
|
---|
2274 | $pos += 2;
|
---|
2275 |
|
---|
2276 | $strlen = $this->_getByte($data, $pos);
|
---|
2277 | $pos += 1;
|
---|
2278 | $header = '';
|
---|
2279 | for ($i = 0; $i < $strlen; $i++) {
|
---|
2280 | $header .= $data{$pos + $i};
|
---|
2281 | }
|
---|
2282 | $pos += $strlen + 1 - ($strlen % 2); // The string is padded to even length, counting the length byte itself
|
---|
2283 |
|
---|
2284 | $length = $this->_getLong($data, $pos);
|
---|
2285 | $pos += 4;
|
---|
2286 |
|
---|
2287 | $basePos = $pos;
|
---|
2288 |
|
---|
2289 | switch ($type) {
|
---|
2290 | case 0x0404: // Caption (IPTC Data)
|
---|
2291 | $pos = $this->_readIPTC($data, $pos);
|
---|
2292 | if ($pos == false)
|
---|
2293 | return false;
|
---|
2294 | break;
|
---|
2295 | case 0x040A: // CopyrightFlag
|
---|
2296 | $this->_info['adobe']['CopyrightFlag'] = $this->_getByte($data, $pos);
|
---|
2297 | $pos += $length;
|
---|
2298 | break;
|
---|
2299 | case 0x040B: // ImageURL
|
---|
2300 | $this->_info['adobe']['ImageURL'] = $this->_getFixedString($data, $pos, $length);
|
---|
2301 | $pos += $length;
|
---|
2302 | break;
|
---|
2303 | case 0x040C: // Thumbnail
|
---|
2304 | $aux = $this->_getLong($data, $pos);
|
---|
2305 | $pos += 4;
|
---|
2306 | if ($aux == 1) {
|
---|
2307 | $this->_info['adobe']['ThumbnailWidth'] = $this->_getLong($data, $pos);
|
---|
2308 | $pos += 4;
|
---|
2309 | $this->_info['adobe']['ThumbnailHeight'] = $this->_getLong($data, $pos);
|
---|
2310 | $pos += 4;
|
---|
2311 |
|
---|
2312 | $pos += 16; // Skip some data
|
---|
2313 |
|
---|
2314 | $this->_info['adobe']['ThumbnailData'] = $this->_getFixedString($data, $pos, $length - 28);
|
---|
2315 | $pos += $length - 28;
|
---|
2316 | }
|
---|
2317 | break;
|
---|
2318 | default:
|
---|
2319 | break;
|
---|
2320 | }
|
---|
2321 |
|
---|
2322 | // We save all blocks, even those we recognized
|
---|
2323 | $label = sprintf('8BIM_0x%04x', $type);
|
---|
2324 | $this->_info['adobe']['raw'][$label] = array();
|
---|
2325 | $this->_info['adobe']['raw'][$label]['type'] = $type;
|
---|
2326 | $this->_info['adobe']['raw'][$label]['header'] = $header;
|
---|
2327 | $this->_info['adobe']['raw'][$label]['data'] =& $this->_getFixedString($data, $basePos, $length);
|
---|
2328 |
|
---|
2329 | $pos = $basePos + $length + ($length % 2); // Even padding
|
---|
2330 | }
|
---|
2331 |
|
---|
2332 | }
|
---|
2333 |
|
---|
2334 | /*************************************************************/
|
---|
2335 | function _readIPTC(&$data, $pos = 0) {
|
---|
2336 | $totalLength = strlen($data);
|
---|
2337 |
|
---|
2338 | $IPTCTags =& $this->_iptcTagNames();
|
---|
2339 |
|
---|
2340 | while ($pos < ($totalLength - 5)) {
|
---|
2341 | $signature = $this->_getShort($data, $pos);
|
---|
2342 | if ($signature != 0x1C02)
|
---|
2343 | return $pos;
|
---|
2344 | $pos += 2;
|
---|
2345 |
|
---|
2346 | $type = $this->_getByte($data, $pos);
|
---|
2347 | $pos += 1;
|
---|
2348 | $length = $this->_getShort($data, $pos);
|
---|
2349 | $pos += 2;
|
---|
2350 |
|
---|
2351 | $basePos = $pos;
|
---|
2352 | $label = '';
|
---|
2353 |
|
---|
2354 | if (isset($IPTCTags[$type])) {
|
---|
2355 | $label = $IPTCTags[$type];
|
---|
2356 | } else {
|
---|
2357 | $label = sprintf('IPTC_0x%02x', $type);
|
---|
2358 | }
|
---|
2359 |
|
---|
2360 | if ($label != '') {
|
---|
2361 | if (isset($this->_info['iptc'][$label])) {
|
---|
2362 | if (!is_array($this->_info['iptc'][$label])) {
|
---|
2363 | $aux = array();
|
---|
2364 | $aux[0] = $this->_info['iptc'][$label];
|
---|
2365 | $this->_info['iptc'][$label] = $aux;
|
---|
2366 | }
|
---|
2367 | $this->_info['iptc'][$label][ count($this->_info['iptc'][$label]) ] = $this->_getFixedString($data, $pos, $length);
|
---|
2368 | } else {
|
---|
2369 | $this->_info['iptc'][$label] = $this->_getFixedString($data, $pos, $length);
|
---|
2370 | }
|
---|
2371 | }
|
---|
2372 |
|
---|
2373 | $pos = $basePos + $length; // No padding
|
---|
2374 | }
|
---|
2375 | return $pos;
|
---|
2376 | }
|
---|
2377 |
|
---|
2378 | /*************************************************************/
|
---|
2379 | function & _createMarkerAdobe() {
|
---|
2380 | if (isset($this->_info['iptc'])) {
|
---|
2381 | if (!isset($this->_info['adobe'])) {
|
---|
2382 | $this->_info['adobe'] = array();
|
---|
2383 | }
|
---|
2384 | if (!isset($this->_info['adobe']['raw'])) {
|
---|
2385 | $this->_info['adobe']['raw'] = array();
|
---|
2386 | }
|
---|
2387 | if (!isset($this->_info['adobe']['raw']['8BIM_0x0404'])) {
|
---|
2388 | $this->_info['adobe']['raw']['8BIM_0x0404'] = array();
|
---|
2389 | }
|
---|
2390 | $this->_info['adobe']['raw']['8BIM_0x0404']['type'] = 0x0404;
|
---|
2391 | $this->_info['adobe']['raw']['8BIM_0x0404']['header'] = "Caption";
|
---|
2392 | $this->_info['adobe']['raw']['8BIM_0x0404']['data'] =& $this->_writeIPTC();
|
---|
2393 | }
|
---|
2394 |
|
---|
2395 | if (isset($this->_info['adobe']['raw']) && (count($this->_info['adobe']['raw']) > 0)) {
|
---|
2396 | $data = "Photoshop 3.0\0";
|
---|
2397 | $pos = 14;
|
---|
2398 |
|
---|
2399 | reset($this->_info['adobe']['raw']);
|
---|
2400 | while (list($key) = each($this->_info['adobe']['raw'])) {
|
---|
2401 | $pos = $this->_write8BIM(
|
---|
2402 | $data,
|
---|
2403 | $pos,
|
---|
2404 | $this->_info['adobe']['raw'][$key]['type'],
|
---|
2405 | $this->_info['adobe']['raw'][$key]['header'],
|
---|
2406 | $this->_info['adobe']['raw'][$key]['data'] );
|
---|
2407 | }
|
---|
2408 | }
|
---|
2409 |
|
---|
2410 | return $data;
|
---|
2411 | }
|
---|
2412 |
|
---|
2413 | /*************************************************************/
|
---|
2414 | function _write8BIM(&$data, $pos, $type, $header, &$value) {
|
---|
2415 | $signature = "8BIM";
|
---|
2416 |
|
---|
2417 | $pos = $this->_putString($data, $pos, $signature);
|
---|
2418 | $pos = $this->_putShort($data, $pos, $type);
|
---|
2419 |
|
---|
2420 | $len = strlen($header);
|
---|
2421 |
|
---|
2422 | $pos = $this->_putByte($data, $pos, $len);
|
---|
2423 | $pos = $this->_putString($data, $pos, $header);
|
---|
2424 | if (($len % 2) == 0) { // Even padding, including the length byte
|
---|
2425 | $pos = $this->_putByte($data, $pos, 0);
|
---|
2426 | }
|
---|
2427 |
|
---|
2428 | $len = strlen($value);
|
---|
2429 | $pos = $this->_putLong($data, $pos, $len);
|
---|
2430 | $pos = $this->_putString($data, $pos, $value);
|
---|
2431 | if (($len % 2) != 0) { // Even padding
|
---|
2432 | $pos = $this->_putByte($data, $pos, 0);
|
---|
2433 | }
|
---|
2434 | return $pos;
|
---|
2435 | }
|
---|
2436 |
|
---|
2437 | /*************************************************************/
|
---|
2438 | function & _writeIPTC() {
|
---|
2439 | $data = " ";
|
---|
2440 | $pos = 0;
|
---|
2441 |
|
---|
2442 | $IPTCNames =& $this->_iptcNameTags();
|
---|
2443 |
|
---|
2444 | reset($this->_info['iptc']);
|
---|
2445 |
|
---|
2446 | while (list($label) = each($this->_info['iptc'])) {
|
---|
2447 | $value =& $this->_info['iptc'][$label];
|
---|
2448 | $type = -1;
|
---|
2449 |
|
---|
2450 | if (isset($IPTCNames[$label])) {
|
---|
2451 | $type = $IPTCNames[$label];
|
---|
2452 | }
|
---|
2453 | elseif (substr($label, 0, 7) == "IPTC_0x") {
|
---|
2454 | $type = hexdec(substr($label, 7, 2));
|
---|
2455 | }
|
---|
2456 |
|
---|
2457 | if ($type != -1) {
|
---|
2458 | if (is_array($value)) {
|
---|
2459 | $vcnt = count($value);
|
---|
2460 | for ($i = 0; $i < $vcnt; $i++) {
|
---|
2461 | $pos = $this->_writeIPTCEntry($data, $pos, $type, $value[$i]);
|
---|
2462 | }
|
---|
2463 | }
|
---|
2464 | else {
|
---|
2465 | $pos = $this->_writeIPTCEntry($data, $pos, $type, $value);
|
---|
2466 | }
|
---|
2467 | }
|
---|
2468 | }
|
---|
2469 |
|
---|
2470 | return $data;
|
---|
2471 | }
|
---|
2472 |
|
---|
2473 | /*************************************************************/
|
---|
2474 | function _writeIPTCEntry(&$data, $pos, $type, &$value) {
|
---|
2475 | $pos = $this->_putShort($data, $pos, 0x1C02);
|
---|
2476 | $pos = $this->_putByte($data, $pos, $type);
|
---|
2477 | $pos = $this->_putShort($data, $pos, strlen($value));
|
---|
2478 | $pos = $this->_putString($data, $pos, $value);
|
---|
2479 |
|
---|
2480 | return $pos;
|
---|
2481 | }
|
---|
2482 |
|
---|
2483 | /*************************************************************/
|
---|
2484 | function _exifTagNames($mode) {
|
---|
2485 | $tags = array();
|
---|
2486 |
|
---|
2487 | if ($mode == 'ifd0') {
|
---|
2488 | $tags[0x010E] = 'ImageDescription';
|
---|
2489 | $tags[0x010F] = 'Make';
|
---|
2490 | $tags[0x0110] = 'Model';
|
---|
2491 | $tags[0x0112] = 'Orientation';
|
---|
2492 | $tags[0x011A] = 'XResolution';
|
---|
2493 | $tags[0x011B] = 'YResolution';
|
---|
2494 | $tags[0x0128] = 'ResolutionUnit';
|
---|
2495 | $tags[0x0131] = 'Software';
|
---|
2496 | $tags[0x0132] = 'DateTime';
|
---|
2497 | $tags[0x013B] = 'Artist';
|
---|
2498 | $tags[0x013E] = 'WhitePoint';
|
---|
2499 | $tags[0x013F] = 'PrimaryChromaticities';
|
---|
2500 | $tags[0x0211] = 'YCbCrCoefficients';
|
---|
2501 | $tags[0x0212] = 'YCbCrSubSampling';
|
---|
2502 | $tags[0x0213] = 'YCbCrPositioning';
|
---|
2503 | $tags[0x0214] = 'ReferenceBlackWhite';
|
---|
2504 | $tags[0x8298] = 'Copyright';
|
---|
2505 | $tags[0x8769] = 'ExifIFDOffset';
|
---|
2506 | $tags[0x8825] = 'GPSIFDOffset';
|
---|
2507 | }
|
---|
2508 | if ($mode == 'ifd1') {
|
---|
2509 | $tags[0x00FE] = 'TIFFNewSubfileType';
|
---|
2510 | $tags[0x00FF] = 'TIFFSubfileType';
|
---|
2511 | $tags[0x0100] = 'TIFFImageWidth';
|
---|
2512 | $tags[0x0101] = 'TIFFImageHeight';
|
---|
2513 | $tags[0x0102] = 'TIFFBitsPerSample';
|
---|
2514 | $tags[0x0103] = 'TIFFCompression';
|
---|
2515 | $tags[0x0106] = 'TIFFPhotometricInterpretation';
|
---|
2516 | $tags[0x0107] = 'TIFFThreshholding';
|
---|
2517 | $tags[0x0108] = 'TIFFCellWidth';
|
---|
2518 | $tags[0x0109] = 'TIFFCellLength';
|
---|
2519 | $tags[0x010A] = 'TIFFFillOrder';
|
---|
2520 | $tags[0x010E] = 'TIFFImageDescription';
|
---|
2521 | $tags[0x010F] = 'TIFFMake';
|
---|
2522 | $tags[0x0110] = 'TIFFModel';
|
---|
2523 | $tags[0x0111] = 'TIFFStripOffsets';
|
---|
2524 | $tags[0x0112] = 'TIFFOrientation';
|
---|
2525 | $tags[0x0115] = 'TIFFSamplesPerPixel';
|
---|
2526 | $tags[0x0116] = 'TIFFRowsPerStrip';
|
---|
2527 | $tags[0x0117] = 'TIFFStripByteCounts';
|
---|
2528 | $tags[0x0118] = 'TIFFMinSampleValue';
|
---|
2529 | $tags[0x0119] = 'TIFFMaxSampleValue';
|
---|
2530 | $tags[0x011A] = 'TIFFXResolution';
|
---|
2531 | $tags[0x011B] = 'TIFFYResolution';
|
---|
2532 | $tags[0x011C] = 'TIFFPlanarConfiguration';
|
---|
2533 | $tags[0x0122] = 'TIFFGrayResponseUnit';
|
---|
2534 | $tags[0x0123] = 'TIFFGrayResponseCurve';
|
---|
2535 | $tags[0x0128] = 'TIFFResolutionUnit';
|
---|
2536 | $tags[0x0131] = 'TIFFSoftware';
|
---|
2537 | $tags[0x0132] = 'TIFFDateTime';
|
---|
2538 | $tags[0x013B] = 'TIFFArtist';
|
---|
2539 | $tags[0x013C] = 'TIFFHostComputer';
|
---|
2540 | $tags[0x0140] = 'TIFFColorMap';
|
---|
2541 | $tags[0x0152] = 'TIFFExtraSamples';
|
---|
2542 | $tags[0x0201] = 'TIFFJFIFOffset';
|
---|
2543 | $tags[0x0202] = 'TIFFJFIFLength';
|
---|
2544 | $tags[0x0211] = 'TIFFYCbCrCoefficients';
|
---|
2545 | $tags[0x0212] = 'TIFFYCbCrSubSampling';
|
---|
2546 | $tags[0x0213] = 'TIFFYCbCrPositioning';
|
---|
2547 | $tags[0x0214] = 'TIFFReferenceBlackWhite';
|
---|
2548 | $tags[0x8298] = 'TIFFCopyright';
|
---|
2549 | $tags[0x9286] = 'TIFFUserComment';
|
---|
2550 | } elseif ($mode == 'exif') {
|
---|
2551 | $tags[0x829A] = 'ExposureTime';
|
---|
2552 | $tags[0x829D] = 'FNumber';
|
---|
2553 | $tags[0x8822] = 'ExposureProgram';
|
---|
2554 | $tags[0x8824] = 'SpectralSensitivity';
|
---|
2555 | $tags[0x8827] = 'ISOSpeedRatings';
|
---|
2556 | $tags[0x8828] = 'OECF';
|
---|
2557 | $tags[0x9000] = 'EXIFVersion';
|
---|
2558 | $tags[0x9003] = 'DatetimeOriginal';
|
---|
2559 | $tags[0x9004] = 'DatetimeDigitized';
|
---|
2560 | $tags[0x9101] = 'ComponentsConfiguration';
|
---|
2561 | $tags[0x9102] = 'CompressedBitsPerPixel';
|
---|
2562 | $tags[0x9201] = 'ShutterSpeedValue';
|
---|
2563 | $tags[0x9202] = 'ApertureValue';
|
---|
2564 | $tags[0x9203] = 'BrightnessValue';
|
---|
2565 | $tags[0x9204] = 'ExposureBiasValue';
|
---|
2566 | $tags[0x9205] = 'MaxApertureValue';
|
---|
2567 | $tags[0x9206] = 'SubjectDistance';
|
---|
2568 | $tags[0x9207] = 'MeteringMode';
|
---|
2569 | $tags[0x9208] = 'LightSource';
|
---|
2570 | $tags[0x9209] = 'Flash';
|
---|
2571 | $tags[0x920A] = 'FocalLength';
|
---|
2572 | $tags[0x927C] = 'MakerNote';
|
---|
2573 | $tags[0x9286] = 'UserComment';
|
---|
2574 | $tags[0x9290] = 'SubSecTime';
|
---|
2575 | $tags[0x9291] = 'SubSecTimeOriginal';
|
---|
2576 | $tags[0x9292] = 'SubSecTimeDigitized';
|
---|
2577 | $tags[0xA000] = 'FlashPixVersion';
|
---|
2578 | $tags[0xA001] = 'ColorSpace';
|
---|
2579 | $tags[0xA002] = 'PixelXDimension';
|
---|
2580 | $tags[0xA003] = 'PixelYDimension';
|
---|
2581 | $tags[0xA004] = 'RelatedSoundFile';
|
---|
2582 | $tags[0xA005] = 'InteropIFDOffset';
|
---|
2583 | $tags[0xA20B] = 'FlashEnergy';
|
---|
2584 | $tags[0xA20C] = 'SpatialFrequencyResponse';
|
---|
2585 | $tags[0xA20E] = 'FocalPlaneXResolution';
|
---|
2586 | $tags[0xA20F] = 'FocalPlaneYResolution';
|
---|
2587 | $tags[0xA210] = 'FocalPlaneResolutionUnit';
|
---|
2588 | $tags[0xA214] = 'SubjectLocation';
|
---|
2589 | $tags[0xA215] = 'ExposureIndex';
|
---|
2590 | $tags[0xA217] = 'SensingMethod';
|
---|
2591 | $tags[0xA300] = 'FileSource';
|
---|
2592 | $tags[0xA301] = 'SceneType';
|
---|
2593 | $tags[0xA302] = 'CFAPattern';
|
---|
2594 | } elseif ($mode == 'interop') {
|
---|
2595 | $tags[0x0001] = 'InteroperabilityIndex';
|
---|
2596 | $tags[0x0002] = 'InteroperabilityVersion';
|
---|
2597 | $tags[0x1000] = 'RelatedImageFileFormat';
|
---|
2598 | $tags[0x1001] = 'RelatedImageWidth';
|
---|
2599 | $tags[0x1002] = 'RelatedImageLength';
|
---|
2600 | } elseif ($mode == 'gps') {
|
---|
2601 | $tags[0x0000] = 'GPSVersionID';
|
---|
2602 | $tags[0x0001] = 'GPSLatitudeRef';
|
---|
2603 | $tags[0x0002] = 'GPSLatitude';
|
---|
2604 | $tags[0x0003] = 'GPSLongitudeRef';
|
---|
2605 | $tags[0x0004] = 'GPSLongitude';
|
---|
2606 | $tags[0x0005] = 'GPSAltitudeRef';
|
---|
2607 | $tags[0x0006] = 'GPSAltitude';
|
---|
2608 | $tags[0x0007] = 'GPSTimeStamp';
|
---|
2609 | $tags[0x0008] = 'GPSSatellites';
|
---|
2610 | $tags[0x0009] = 'GPSStatus';
|
---|
2611 | $tags[0x000A] = 'GPSMeasureMode';
|
---|
2612 | $tags[0x000B] = 'GPSDOP';
|
---|
2613 | $tags[0x000C] = 'GPSSpeedRef';
|
---|
2614 | $tags[0x000D] = 'GPSSpeed';
|
---|
2615 | $tags[0x000E] = 'GPSTrackRef';
|
---|
2616 | $tags[0x000F] = 'GPSTrack';
|
---|
2617 | $tags[0x0010] = 'GPSImgDirectionRef';
|
---|
2618 | $tags[0x0011] = 'GPSImgDirection';
|
---|
2619 | $tags[0x0012] = 'GPSMapDatum';
|
---|
2620 | $tags[0x0013] = 'GPSDestLatitudeRef';
|
---|
2621 | $tags[0x0014] = 'GPSDestLatitude';
|
---|
2622 | $tags[0x0015] = 'GPSDestLongitudeRef';
|
---|
2623 | $tags[0x0016] = 'GPSDestLongitude';
|
---|
2624 | $tags[0x0017] = 'GPSDestBearingRef';
|
---|
2625 | $tags[0x0018] = 'GPSDestBearing';
|
---|
2626 | $tags[0x0019] = 'GPSDestDistanceRef';
|
---|
2627 | $tags[0x001A] = 'GPSDestDistance';
|
---|
2628 | }
|
---|
2629 |
|
---|
2630 | return $tags;
|
---|
2631 | }
|
---|
2632 |
|
---|
2633 | /*************************************************************/
|
---|
2634 | function _exifTagTypes($mode) {
|
---|
2635 | $tags = array();
|
---|
2636 |
|
---|
2637 | if ($mode == 'ifd0') {
|
---|
2638 | $tags[0x010E] = array(2, 0); // ImageDescription -> ASCII, Any
|
---|
2639 | $tags[0x010F] = array(2, 0); // Make -> ASCII, Any
|
---|
2640 | $tags[0x0110] = array(2, 0); // Model -> ASCII, Any
|
---|
2641 | $tags[0x0112] = array(3, 1); // Orientation -> SHORT, 1
|
---|
2642 | $tags[0x011A] = array(5, 1); // XResolution -> RATIONAL, 1
|
---|
2643 | $tags[0x011B] = array(5, 1); // YResolution -> RATIONAL, 1
|
---|
2644 | $tags[0x0128] = array(3, 1); // ResolutionUnit -> SHORT
|
---|
2645 | $tags[0x0131] = array(2, 0); // Software -> ASCII, Any
|
---|
2646 | $tags[0x0132] = array(2, 20); // DateTime -> ASCII, 20
|
---|
2647 | $tags[0x013B] = array(2, 0); // Artist -> ASCII, Any
|
---|
2648 | $tags[0x013E] = array(5, 2); // WhitePoint -> RATIONAL, 2
|
---|
2649 | $tags[0x013F] = array(5, 6); // PrimaryChromaticities -> RATIONAL, 6
|
---|
2650 | $tags[0x0211] = array(5, 3); // YCbCrCoefficients -> RATIONAL, 3
|
---|
2651 | $tags[0x0212] = array(3, 2); // YCbCrSubSampling -> SHORT, 2
|
---|
2652 | $tags[0x0213] = array(3, 1); // YCbCrPositioning -> SHORT, 1
|
---|
2653 | $tags[0x0214] = array(5, 6); // ReferenceBlackWhite -> RATIONAL, 6
|
---|
2654 | $tags[0x8298] = array(2, 0); // Copyright -> ASCII, Any
|
---|
2655 | $tags[0x8769] = array(4, 1); // ExifIFDOffset -> LONG, 1
|
---|
2656 | $tags[0x8825] = array(4, 1); // GPSIFDOffset -> LONG, 1
|
---|
2657 | }
|
---|
2658 | if ($mode == 'ifd1') {
|
---|
2659 | $tags[0x00FE] = array(4, 1); // TIFFNewSubfileType -> LONG, 1
|
---|
2660 | $tags[0x00FF] = array(3, 1); // TIFFSubfileType -> SHORT, 1
|
---|
2661 | $tags[0x0100] = array(4, 1); // TIFFImageWidth -> LONG (or SHORT), 1
|
---|
2662 | $tags[0x0101] = array(4, 1); // TIFFImageHeight -> LONG (or SHORT), 1
|
---|
2663 | $tags[0x0102] = array(3, 3); // TIFFBitsPerSample -> SHORT, 3
|
---|
2664 | $tags[0x0103] = array(3, 1); // TIFFCompression -> SHORT, 1
|
---|
2665 | $tags[0x0106] = array(3, 1); // TIFFPhotometricInterpretation -> SHORT, 1
|
---|
2666 | $tags[0x0107] = array(3, 1); // TIFFThreshholding -> SHORT, 1
|
---|
2667 | $tags[0x0108] = array(3, 1); // TIFFCellWidth -> SHORT, 1
|
---|
2668 | $tags[0x0109] = array(3, 1); // TIFFCellLength -> SHORT, 1
|
---|
2669 | $tags[0x010A] = array(3, 1); // TIFFFillOrder -> SHORT, 1
|
---|
2670 | $tags[0x010E] = array(2, 0); // TIFFImageDescription -> ASCII, Any
|
---|
2671 | $tags[0x010F] = array(2, 0); // TIFFMake -> ASCII, Any
|
---|
2672 | $tags[0x0110] = array(2, 0); // TIFFModel -> ASCII, Any
|
---|
2673 | $tags[0x0111] = array(4, 0); // TIFFStripOffsets -> LONG (or SHORT), Any (one per strip)
|
---|
2674 | $tags[0x0112] = array(3, 1); // TIFFOrientation -> SHORT, 1
|
---|
2675 | $tags[0x0115] = array(3, 1); // TIFFSamplesPerPixel -> SHORT, 1
|
---|
2676 | $tags[0x0116] = array(4, 1); // TIFFRowsPerStrip -> LONG (or SHORT), 1
|
---|
2677 | $tags[0x0117] = array(4, 0); // TIFFStripByteCounts -> LONG (or SHORT), Any (one per strip)
|
---|
2678 | $tags[0x0118] = array(3, 0); // TIFFMinSampleValue -> SHORT, Any (SamplesPerPixel)
|
---|
2679 | $tags[0x0119] = array(3, 0); // TIFFMaxSampleValue -> SHORT, Any (SamplesPerPixel)
|
---|
2680 | $tags[0x011A] = array(5, 1); // TIFFXResolution -> RATIONAL, 1
|
---|
2681 | $tags[0x011B] = array(5, 1); // TIFFYResolution -> RATIONAL, 1
|
---|
2682 | $tags[0x011C] = array(3, 1); // TIFFPlanarConfiguration -> SHORT, 1
|
---|
2683 | $tags[0x0122] = array(3, 1); // TIFFGrayResponseUnit -> SHORT, 1
|
---|
2684 | $tags[0x0123] = array(3, 0); // TIFFGrayResponseCurve -> SHORT, Any (2^BitsPerSample)
|
---|
2685 | $tags[0x0128] = array(3, 1); // TIFFResolutionUnit -> SHORT, 1
|
---|
2686 | $tags[0x0131] = array(2, 0); // TIFFSoftware -> ASCII, Any
|
---|
2687 | $tags[0x0132] = array(2, 20); // TIFFDateTime -> ASCII, 20
|
---|
2688 | $tags[0x013B] = array(2, 0); // TIFFArtist -> ASCII, Any
|
---|
2689 | $tags[0x013C] = array(2, 0); // TIFFHostComputer -> ASCII, Any
|
---|
2690 | $tags[0x0140] = array(3, 0); // TIFFColorMap -> SHORT, Any (3 * 2^BitsPerSample)
|
---|
2691 | $tags[0x0152] = array(3, 0); // TIFFExtraSamples -> SHORT, Any (SamplesPerPixel - 3)
|
---|
2692 | $tags[0x0201] = array(4, 1); // TIFFJFIFOffset -> LONG, 1
|
---|
2693 | $tags[0x0202] = array(4, 1); // TIFFJFIFLength -> LONG, 1
|
---|
2694 | $tags[0x0211] = array(5, 3); // TIFFYCbCrCoefficients -> RATIONAL, 3
|
---|
2695 | $tags[0x0212] = array(3, 2); // TIFFYCbCrSubSampling -> SHORT, 2
|
---|
2696 | $tags[0x0213] = array(3, 1); // TIFFYCbCrPositioning -> SHORT, 1
|
---|
2697 | $tags[0x0214] = array(5, 6); // TIFFReferenceBlackWhite -> RATIONAL, 6
|
---|
2698 | $tags[0x8298] = array(2, 0); // TIFFCopyright -> ASCII, Any
|
---|
2699 | $tags[0x9286] = array(2, 0); // TIFFUserComment -> ASCII, Any
|
---|
2700 | } elseif ($mode == 'exif') {
|
---|
2701 | $tags[0x829A] = array(5, 1); // ExposureTime -> RATIONAL, 1
|
---|
2702 | $tags[0x829D] = array(5, 1); // FNumber -> RATIONAL, 1
|
---|
2703 | $tags[0x8822] = array(3, 1); // ExposureProgram -> SHORT, 1
|
---|
2704 | $tags[0x8824] = array(2, 0); // SpectralSensitivity -> ASCII, Any
|
---|
2705 | $tags[0x8827] = array(3, 0); // ISOSpeedRatings -> SHORT, Any
|
---|
2706 | $tags[0x8828] = array(7, 0); // OECF -> UNDEFINED, Any
|
---|
2707 | $tags[0x9000] = array(7, 4); // EXIFVersion -> UNDEFINED, 4
|
---|
2708 | $tags[0x9003] = array(2, 20); // DatetimeOriginal -> ASCII, 20
|
---|
2709 | $tags[0x9004] = array(2, 20); // DatetimeDigitized -> ASCII, 20
|
---|
2710 | $tags[0x9101] = array(7, 4); // ComponentsConfiguration -> UNDEFINED, 4
|
---|
2711 | $tags[0x9102] = array(5, 1); // CompressedBitsPerPixel -> RATIONAL, 1
|
---|
2712 | $tags[0x9201] = array(10, 1); // ShutterSpeedValue -> SRATIONAL, 1
|
---|
2713 | $tags[0x9202] = array(5, 1); // ApertureValue -> RATIONAL, 1
|
---|
2714 | $tags[0x9203] = array(10, 1); // BrightnessValue -> SRATIONAL, 1
|
---|
2715 | $tags[0x9204] = array(10, 1); // ExposureBiasValue -> SRATIONAL, 1
|
---|
2716 | $tags[0x9205] = array(5, 1); // MaxApertureValue -> RATIONAL, 1
|
---|
2717 | $tags[0x9206] = array(5, 1); // SubjectDistance -> RATIONAL, 1
|
---|
2718 | $tags[0x9207] = array(3, 1); // MeteringMode -> SHORT, 1
|
---|
2719 | $tags[0x9208] = array(3, 1); // LightSource -> SHORT, 1
|
---|
2720 | $tags[0x9209] = array(3, 1); // Flash -> SHORT, 1
|
---|
2721 | $tags[0x920A] = array(5, 1); // FocalLength -> RATIONAL, 1
|
---|
2722 | $tags[0x927C] = array(7, 0); // MakerNote -> UNDEFINED, Any
|
---|
2723 | $tags[0x9286] = array(7, 0); // UserComment -> UNDEFINED, Any
|
---|
2724 | $tags[0x9290] = array(2, 0); // SubSecTime -> ASCII, Any
|
---|
2725 | $tags[0x9291] = array(2, 0); // SubSecTimeOriginal -> ASCII, Any
|
---|
2726 | $tags[0x9292] = array(2, 0); // SubSecTimeDigitized -> ASCII, Any
|
---|
2727 | $tags[0xA000] = array(7, 4); // FlashPixVersion -> UNDEFINED, 4
|
---|
2728 | $tags[0xA001] = array(3, 1); // ColorSpace -> SHORT, 1
|
---|
2729 | $tags[0xA002] = array(4, 1); // PixelXDimension -> LONG (or SHORT), 1
|
---|
2730 | $tags[0xA003] = array(4, 1); // PixelYDimension -> LONG (or SHORT), 1
|
---|
2731 | $tags[0xA004] = array(2, 13); // RelatedSoundFile -> ASCII, 13
|
---|
2732 | $tags[0xA005] = array(4, 1); // InteropIFDOffset -> LONG, 1
|
---|
2733 | $tags[0xA20B] = array(5, 1); // FlashEnergy -> RATIONAL, 1
|
---|
2734 | $tags[0xA20C] = array(7, 0); // SpatialFrequencyResponse -> UNDEFINED, Any
|
---|
2735 | $tags[0xA20E] = array(5, 1); // FocalPlaneXResolution -> RATIONAL, 1
|
---|
2736 | $tags[0xA20F] = array(5, 1); // FocalPlaneYResolution -> RATIONAL, 1
|
---|
2737 | $tags[0xA210] = array(3, 1); // FocalPlaneResolutionUnit -> SHORT, 1
|
---|
2738 | $tags[0xA214] = array(3, 2); // SubjectLocation -> SHORT, 2
|
---|
2739 | $tags[0xA215] = array(5, 1); // ExposureIndex -> RATIONAL, 1
|
---|
2740 | $tags[0xA217] = array(3, 1); // SensingMethod -> SHORT, 1
|
---|
2741 | $tags[0xA300] = array(7, 1); // FileSource -> UNDEFINED, 1
|
---|
2742 | $tags[0xA301] = array(7, 1); // SceneType -> UNDEFINED, 1
|
---|
2743 | $tags[0xA302] = array(7, 0); // CFAPattern -> UNDEFINED, Any
|
---|
2744 | } elseif ($mode == 'interop') {
|
---|
2745 | $tags[0x0001] = array(2, 0); // InteroperabilityIndex -> ASCII, Any
|
---|
2746 | $tags[0x0002] = array(7, 4); // InteroperabilityVersion -> UNKNOWN, 4
|
---|
2747 | $tags[0x1000] = array(2, 0); // RelatedImageFileFormat -> ASCII, Any
|
---|
2748 | $tags[0x1001] = array(4, 1); // RelatedImageWidth -> LONG (or SHORT), 1
|
---|
2749 | $tags[0x1002] = array(4, 1); // RelatedImageLength -> LONG (or SHORT), 1
|
---|
2750 | } elseif ($mode == 'gps') {
|
---|
2751 | $tags[0x0000] = array(1, 4); // GPSVersionID -> BYTE, 4
|
---|
2752 | $tags[0x0001] = array(2, 2); // GPSLatitudeRef -> ASCII, 2
|
---|
2753 | $tags[0x0002] = array(5, 3); // GPSLatitude -> RATIONAL, 3
|
---|
2754 | $tags[0x0003] = array(2, 2); // GPSLongitudeRef -> ASCII, 2
|
---|
2755 | $tags[0x0004] = array(5, 3); // GPSLongitude -> RATIONAL, 3
|
---|
2756 | $tags[0x0005] = array(2, 2); // GPSAltitudeRef -> ASCII, 2
|
---|
2757 | $tags[0x0006] = array(5, 1); // GPSAltitude -> RATIONAL, 1
|
---|
2758 | $tags[0x0007] = array(5, 3); // GPSTimeStamp -> RATIONAL, 3
|
---|
2759 | $tags[0x0008] = array(2, 0); // GPSSatellites -> ASCII, Any
|
---|
2760 | $tags[0x0009] = array(2, 2); // GPSStatus -> ASCII, 2
|
---|
2761 | $tags[0x000A] = array(2, 2); // GPSMeasureMode -> ASCII, 2
|
---|
2762 | $tags[0x000B] = array(5, 1); // GPSDOP -> RATIONAL, 1
|
---|
2763 | $tags[0x000C] = array(2, 2); // GPSSpeedRef -> ASCII, 2
|
---|
2764 | $tags[0x000D] = array(5, 1); // GPSSpeed -> RATIONAL, 1
|
---|
2765 | $tags[0x000E] = array(2, 2); // GPSTrackRef -> ASCII, 2
|
---|
2766 | $tags[0x000F] = array(5, 1); // GPSTrack -> RATIONAL, 1
|
---|
2767 | $tags[0x0010] = array(2, 2); // GPSImgDirectionRef -> ASCII, 2
|
---|
2768 | $tags[0x0011] = array(5, 1); // GPSImgDirection -> RATIONAL, 1
|
---|
2769 | $tags[0x0012] = array(2, 0); // GPSMapDatum -> ASCII, Any
|
---|
2770 | $tags[0x0013] = array(2, 2); // GPSDestLatitudeRef -> ASCII, 2
|
---|
2771 | $tags[0x0014] = array(5, 3); // GPSDestLatitude -> RATIONAL, 3
|
---|
2772 | $tags[0x0015] = array(2, 2); // GPSDestLongitudeRef -> ASCII, 2
|
---|
2773 | $tags[0x0016] = array(5, 3); // GPSDestLongitude -> RATIONAL, 3
|
---|
2774 | $tags[0x0017] = array(2, 2); // GPSDestBearingRef -> ASCII, 2
|
---|
2775 | $tags[0x0018] = array(5, 1); // GPSDestBearing -> RATIONAL, 1
|
---|
2776 | $tags[0x0019] = array(2, 2); // GPSDestDistanceRef -> ASCII, 2
|
---|
2777 | $tags[0x001A] = array(5, 1); // GPSDestDistance -> RATIONAL, 1
|
---|
2778 | }
|
---|
2779 |
|
---|
2780 | return $tags;
|
---|
2781 | }
|
---|
2782 |
|
---|
2783 | /*************************************************************/
|
---|
2784 | function _exifNameTags($mode) {
|
---|
2785 | $tags = $this->_exifTagNames($mode);
|
---|
2786 | return $this->_names2Tags($tags);
|
---|
2787 | }
|
---|
2788 |
|
---|
2789 | /*************************************************************/
|
---|
2790 | function _iptcTagNames() {
|
---|
2791 | $tags = array();
|
---|
2792 | $tags[0x14] = 'SuplementalCategories';
|
---|
2793 | $tags[0x19] = 'Keywords';
|
---|
2794 | $tags[0x78] = 'Caption';
|
---|
2795 | $tags[0x7A] = 'CaptionWriter';
|
---|
2796 | $tags[0x69] = 'Headline';
|
---|
2797 | $tags[0x28] = 'SpecialInstructions';
|
---|
2798 | $tags[0x0F] = 'Category';
|
---|
2799 | $tags[0x50] = 'Byline';
|
---|
2800 | $tags[0x55] = 'BylineTitle';
|
---|
2801 | $tags[0x6E] = 'Credit';
|
---|
2802 | $tags[0x73] = 'Source';
|
---|
2803 | $tags[0x74] = 'CopyrightNotice';
|
---|
2804 | $tags[0x05] = 'ObjectName';
|
---|
2805 | $tags[0x5A] = 'City';
|
---|
2806 | $tags[0x5C] = 'Sublocation';
|
---|
2807 | $tags[0x5F] = 'ProvinceState';
|
---|
2808 | $tags[0x65] = 'CountryName';
|
---|
2809 | $tags[0x67] = 'OriginalTransmissionReference';
|
---|
2810 | $tags[0x37] = 'DateCreated';
|
---|
2811 | $tags[0x0A] = 'CopyrightFlag';
|
---|
2812 |
|
---|
2813 | return $tags;
|
---|
2814 | }
|
---|
2815 |
|
---|
2816 | /*************************************************************/
|
---|
2817 | function & _iptcNameTags() {
|
---|
2818 | $tags = $this->_iptcTagNames();
|
---|
2819 | return $this->_names2Tags($tags);
|
---|
2820 | }
|
---|
2821 |
|
---|
2822 | /*************************************************************/
|
---|
2823 | function _names2Tags($tags2Names) {
|
---|
2824 | $names2Tags = array();
|
---|
2825 | reset($tags2Names);
|
---|
2826 | while (list($tag, $name) = each($tags2Names)) {
|
---|
2827 | $names2Tags[$name] = $tag;
|
---|
2828 | }
|
---|
2829 |
|
---|
2830 | return $names2Tags;
|
---|
2831 | }
|
---|
2832 |
|
---|
2833 | /*************************************************************/
|
---|
2834 | function _getByte(&$data, $pos) {
|
---|
2835 | return ord($data{$pos});
|
---|
2836 | }
|
---|
2837 |
|
---|
2838 | /*************************************************************/
|
---|
2839 | function _putByte(&$data, $pos, $val) {
|
---|
2840 | $val = intval($val);
|
---|
2841 |
|
---|
2842 | $data{$pos} = chr($val);
|
---|
2843 |
|
---|
2844 | return $pos + 1;
|
---|
2845 | }
|
---|
2846 |
|
---|
2847 | /*************************************************************/
|
---|
2848 | function _getShort(&$data, $pos, $bigEndian = true) {
|
---|
2849 | if ($bigEndian) {
|
---|
2850 | return (ord($data{$pos}) << 8)
|
---|
2851 | + ord($data{$pos + 1});
|
---|
2852 | } else {
|
---|
2853 | return ord($data{$pos})
|
---|
2854 | + (ord($data{$pos + 1}) << 8);
|
---|
2855 | }
|
---|
2856 | }
|
---|
2857 |
|
---|
2858 | /*************************************************************/
|
---|
2859 | function _putShort(&$data, $pos = 0, $val = 0, $bigEndian = true) {
|
---|
2860 | $val = intval($val);
|
---|
2861 |
|
---|
2862 | if ($bigEndian) {
|
---|
2863 | $data{$pos + 0} = chr(($val & 0x0000FF00) >> 8);
|
---|
2864 | $data{$pos + 1} = chr(($val & 0x000000FF) >> 0);
|
---|
2865 | } else {
|
---|
2866 | $data{$pos + 0} = chr(($val & 0x00FF) >> 0);
|
---|
2867 | $data{$pos + 1} = chr(($val & 0xFF00) >> 8);
|
---|
2868 | }
|
---|
2869 |
|
---|
2870 | return $pos + 2;
|
---|
2871 | }
|
---|
2872 |
|
---|
2873 | /*************************************************************/
|
---|
2874 | function _getLong(&$data, $pos, $bigEndian = true) {
|
---|
2875 | if ($bigEndian) {
|
---|
2876 | return (ord($data{$pos}) << 24)
|
---|
2877 | + (ord($data{$pos + 1}) << 16)
|
---|
2878 | + (ord($data{$pos + 2}) << 8)
|
---|
2879 | + ord($data{$pos + 3});
|
---|
2880 | } else {
|
---|
2881 | return ord($data{$pos})
|
---|
2882 | + (ord($data{$pos + 1}) << 8)
|
---|
2883 | + (ord($data{$pos + 2}) << 16)
|
---|
2884 | + (ord($data{$pos + 3}) << 24);
|
---|
2885 | }
|
---|
2886 | }
|
---|
2887 |
|
---|
2888 | /*************************************************************/
|
---|
2889 | function _putLong(&$data, $pos, $val, $bigEndian = true) {
|
---|
2890 | $val = intval($val);
|
---|
2891 |
|
---|
2892 | if ($bigEndian) {
|
---|
2893 | $data{$pos + 0} = chr(($val & 0xFF000000) >> 24);
|
---|
2894 | $data{$pos + 1} = chr(($val & 0x00FF0000) >> 16);
|
---|
2895 | $data{$pos + 2} = chr(($val & 0x0000FF00) >> 8);
|
---|
2896 | $data{$pos + 3} = chr(($val & 0x000000FF) >> 0);
|
---|
2897 | } else {
|
---|
2898 | $data{$pos + 0} = chr(($val & 0x000000FF) >> 0);
|
---|
2899 | $data{$pos + 1} = chr(($val & 0x0000FF00) >> 8);
|
---|
2900 | $data{$pos + 2} = chr(($val & 0x00FF0000) >> 16);
|
---|
2901 | $data{$pos + 3} = chr(($val & 0xFF000000) >> 24);
|
---|
2902 | }
|
---|
2903 |
|
---|
2904 | return $pos + 4;
|
---|
2905 | }
|
---|
2906 |
|
---|
2907 | /*************************************************************/
|
---|
2908 | function & _getNullString(&$data, $pos) {
|
---|
2909 | $str = '';
|
---|
2910 | $max = strlen($data);
|
---|
2911 |
|
---|
2912 | while ($pos < $max) {
|
---|
2913 | if (ord($data{$pos}) == 0) {
|
---|
2914 | return $str;
|
---|
2915 | } else {
|
---|
2916 | $str .= $data{$pos};
|
---|
2917 | }
|
---|
2918 | $pos++;
|
---|
2919 | }
|
---|
2920 |
|
---|
2921 | return $str;
|
---|
2922 | }
|
---|
2923 |
|
---|
2924 | /*************************************************************/
|
---|
2925 | function & _getFixedString(&$data, $pos, $length = -1) {
|
---|
2926 | if ($length == -1) {
|
---|
2927 | $length = strlen($data) - $pos;
|
---|
2928 | }
|
---|
2929 |
|
---|
2930 | return substr($data, $pos, $length);
|
---|
2931 | }
|
---|
2932 |
|
---|
2933 | /*************************************************************/
|
---|
2934 | function _putString(&$data, $pos, &$str) {
|
---|
2935 | $len = strlen($str);
|
---|
2936 | for ($i = 0; $i < $len; $i++) {
|
---|
2937 | $data{$pos + $i} = $str{$i};
|
---|
2938 | }
|
---|
2939 |
|
---|
2940 | return $pos + $len;
|
---|
2941 | }
|
---|
2942 |
|
---|
2943 | /*************************************************************/
|
---|
2944 | function _hexDump(&$data, $start = 0, $length = -1) {
|
---|
2945 | if (($length == -1) || (($length + $start) > strlen($data))) {
|
---|
2946 | $end = strlen($data);
|
---|
2947 | } else {
|
---|
2948 | $end = $start + $length;
|
---|
2949 | }
|
---|
2950 |
|
---|
2951 | $ascii = '';
|
---|
2952 | $count = 0;
|
---|
2953 |
|
---|
2954 | echo "<tt>\n";
|
---|
2955 |
|
---|
2956 | while ($start < $end) {
|
---|
2957 | if (($count % 16) == 0) {
|
---|
2958 | echo sprintf('%04d', $count) . ': ';
|
---|
2959 | }
|
---|
2960 |
|
---|
2961 | $c = ord($data{$start});
|
---|
2962 | $count++;
|
---|
2963 | $start++;
|
---|
2964 |
|
---|
2965 | $aux = dechex($c);
|
---|
2966 | if (strlen($aux) == 1)
|
---|
2967 | echo '0';
|
---|
2968 | echo $aux . ' ';
|
---|
2969 |
|
---|
2970 | if ($c == 60)
|
---|
2971 | $ascii .= '<';
|
---|
2972 | elseif ($c == 62)
|
---|
2973 | $ascii .= '>';
|
---|
2974 | elseif ($c == 32)
|
---|
2975 | $ascii .= ' ';
|
---|
2976 | elseif ($c > 32)
|
---|
2977 | $ascii .= chr($c);
|
---|
2978 | else
|
---|
2979 | $ascii .= '.';
|
---|
2980 |
|
---|
2981 | if (($count % 4) == 0) {
|
---|
2982 | echo ' - ';
|
---|
2983 | }
|
---|
2984 |
|
---|
2985 | if (($count % 16) == 0) {
|
---|
2986 | echo ': ' . $ascii . "<br>\n";
|
---|
2987 | $ascii = '';
|
---|
2988 | }
|
---|
2989 | }
|
---|
2990 |
|
---|
2991 | if ($ascii != '') {
|
---|
2992 | while (($count % 16) != 0) {
|
---|
2993 | echo '-- ';
|
---|
2994 | $count++;
|
---|
2995 | if (($count % 4) == 0) {
|
---|
2996 | echo ' - ';
|
---|
2997 | }
|
---|
2998 | }
|
---|
2999 | echo ': ' . $ascii . "<br>\n";
|
---|
3000 | }
|
---|
3001 |
|
---|
3002 | echo "</tt>\n";
|
---|
3003 | }
|
---|
3004 |
|
---|
3005 | /*****************************************************************/
|
---|
3006 | }
|
---|
3007 |
|
---|
3008 | /* vim: set expandtab tabstop=4 shiftwidth=4: */
|
---|