1: <?php
  2: /**
  3:  * @author   Michael J. Rubinsky <mrubinsk@horde.org>
  4:  * @author   Jan Schneider <jan@horde.org>
  5:  * @category Horde
  6:  * @package  Image
  7:  */
  8: 
  9: /**
 10:  * Exifer
 11:  * Extracts EXIF information from digital photos.
 12:  *
 13:  * Copyright © 2003 Jake Olefsky
 14:  * http://www.offsky.com/software/exif/index.php
 15:  * jake@olefsky.com
 16:  *
 17:  * ------------
 18:  *
 19:  * This program is free software; you can redistribute it and/or modify it
 20:  * under the terms of the GNU General Public License as published by the Free
 21:  * Software Foundation; either version 2 of the License, or (at your option)
 22:  * any later version.
 23:  *
 24:  * This program is distributed in the hope that it will be useful, but WITHOUT
 25:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 26:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 27:  * more details. http://www.horde.org/licenses/gpl
 28:  */
 29: class Horde_Image_Exif_Parser_Fujifilm extends Horde_Image_Exif_Parser_Base
 30: {
 31:     /**
 32:      * Looks up the name of the tag for the MakerNote (Depends on Manufacturer)
 33:      */
 34:     protected function _lookupTag($tag)
 35:     {
 36:         switch ($tag) {
 37:         case '0000': return 'Version';
 38:         case '1000': return 'Quality';
 39:         case '1001': return 'Sharpness';
 40:         case '1002': return 'WhiteBalance';
 41:         case '1003': return 'Color';
 42:         case '1004': return 'Tone';
 43:         case '1010': return 'FlashMode';
 44:         case '1011': return 'FlashStrength';
 45:         case '1020': return 'Macro';
 46:         case '1021': return 'FocusMode';
 47:         case '1030': return 'SlowSync';
 48:         case '1031': return 'PictureMode';
 49:         case '1032': return 'Unknown';
 50:         case '1100': return 'ContinuousTakingBracket';
 51:         case '1200': return 'Unknown';
 52:         case '1300': return 'BlurWarning';
 53:         case '1301': return 'FocusWarning';
 54:         case '1302': return 'AEWarning';
 55:         default:     return 'unknown:' . $tag;
 56:         }
 57:     }
 58: 
 59:     /**
 60:      *
 61:      * @param $type
 62:      * @param $tag
 63:      * @param $intel
 64:      * @param $data
 65:      * @return unknown_type
 66:      */
 67:     protected function _formatData($type, $tag, $intel, $data)
 68:     {
 69:         switch ($type) {
 70:         case 'ASCII':
 71:         case 'UNDEFINED':
 72:             break;
 73: 
 74:         case 'URATIONAL':
 75:         case 'SRATIONAL':
 76:             $data = bin2hex($data);
 77:             if ($intel) {
 78:                 $data = Horde_Image_Exif::intel2Moto($data);
 79:             }
 80:             $top = hexdec(substr($data, 8, 8));
 81:             $bottom = hexdec(substr($data, 0, 8));
 82:             if ($bottom) {
 83:                 $data = $top / $bottom;
 84:             } elseif (!$top) {
 85:                 $data = 0;
 86:             } else {
 87:                 $data = $top . '/' . $bottom;
 88:             }
 89: 
 90:             if ($tag == '1011') {
 91:                 //FlashStrength
 92:                 $data = $data . ' EV';
 93:             }
 94:             break;
 95: 
 96:         case 'USHORT':
 97:         case 'SSHORT':
 98:         case 'ULONG':
 99:         case 'SLONG':
100:         case 'FLOAT':
101:         case 'DOUBLE':
102:             $data = bin2hex($data);
103:             if ($intel) {
104:                 $data = Horde_Image_Exif::intel2Moto($data);
105:             }
106:             $data = hexdec($data);
107: 
108:             switch ($tag) {
109:             case '1001':
110:                 //Sharpness
111:                 switch ($data) {
112:                 case 1:  $data = Horde_Image_Translation::t("Soft"); break;
113:                 case 2:  $data = Horde_Image_Translation::t("Soft"); break;
114:                 case 3:  $data = Horde_Image_Translation::t("Normal"); break;
115:                 case 4:  $data = Horde_Image_Translation::t("Hard"); break;
116:                 case 5:  $data = Horde_Image_Translation::t("Hard"); break;
117:                 default: $data = Horde_Image_Translation::t("Unknown") . ': ' . $data; break;
118:                 }
119:                 break;
120: 
121:             case '1002':
122:                 //WhiteBalance
123:                 switch ($data) {
124:                 case 0:    $data = Horde_Image_Translation::t("Auto"); break;
125:                 case 256:  $data = Horde_Image_Translation::t("Daylight"); break;
126:                 case 512:  $data = Horde_Image_Translation::t("Cloudy"); break;
127:                 case 768:  $data = Horde_Image_Translation::t("DaylightColor-fluorescence"); break;
128:                 case 769:  $data = Horde_Image_Translation::t("DaywhiteColor-fluorescence"); break;
129:                 case 770:  $data = Horde_Image_Translation::t("White-fluorescence"); break;
130:                 case 1024: $data = Horde_Image_Translation::t("Incandescense"); break;
131:                 case 3840: $data = Horde_Image_Translation::t("Custom"); break;
132:                 default:   $data = Horde_Image_Translation::t("Unknown") . ': ' . $data; break;
133:                 }
134:                 break;
135: 
136:             case '1003':
137:                 //Color
138:                 switch ($data) {
139:                 case 0:   $data = Horde_Image_Translation::t("Chroma Saturation Normal(STD)"); break;
140:                 case 256: $data = Horde_Image_Translation::t("Chroma Saturation High"); break;
141:                 case 512: $data = Horde_Image_Translation::t("Chroma Saturation Low(ORG)"); break;
142:                 default:  $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
143:                 }
144:                 break;
145: 
146:             case '1004':
147:                 //Tone
148:                 switch ($data) {
149:                 case 0: $data = Horde_Image_Translation::t("Contrast Normal(STD)"); break;
150:                 case 256: $data = Horde_Image_Translation::t("Contrast High(HARD)"); break;
151:                 case 512: $data = Horde_Image_Translation::t("Contrast Low(ORG)"); break;
152:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
153:                 }
154:                 break;
155: 
156:             case '1010':
157:                 //FlashMode
158:                 switch ($data) {
159:                 case 0:  $data = Horde_Image_Translation::t("Auto"); break;
160:                 case 1:  $data = Horde_Image_Translation::t("On"); break;
161:                 case 2:  $data = Horde_Image_Translation::t("Off"); break;
162:                 case 3:  $data = Horde_Image_Translation::t("Red-Eye Reduction"); break;
163:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
164:                 }
165:                 break;
166: 
167:             case '1020':
168:                 //Macro
169:                 switch ($data) {
170:                 case 0:  $data = Horde_Image_Translation::t("Off"); break;
171:                 case 1:  $data = Horde_Image_Translation::t("On"); break;
172:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
173:                 }
174:                 break;
175: 
176:             case '1021':
177:                 //FocusMode
178:                 switch ($data) {
179:                 case 0:  $data = Horde_Image_Translation::t("Auto"); break;
180:                 case 1:  $data = Horde_Image_Translation::t("Manual"); break;
181:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
182:                 }
183:                 break;
184: 
185:             case '1030':
186:                 //SlowSync
187:                 switch ($data) {
188:                 case 0:  $data = Horde_Image_Translation::t("Off"); break;
189:                 case 1:  $data = Horde_Image_Translation::t("On"); break;
190:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
191:                 }
192:                 break;
193: 
194:             case '1031':
195:                 //PictureMode
196:                 switch ($data) {
197:                 case 0:  $data = Horde_Image_Translation::t("Auto"); break;
198:                 case 1:  $data = Horde_Image_Translation::t("Portrait"); break;
199:                 case 2:  $data = Horde_Image_Translation::t("Landscape"); break;
200:                 case 4:  $data = Horde_Image_Translation::t("Sports"); break;
201:                 case 5:  $data = Horde_Image_Translation::t("Night"); break;
202:                 case 6:  $data = Horde_Image_Translation::t("Program AE"); break;
203:                 case 256:  $data = Horde_Image_Translation::t("Aperture Prority AE"); break;
204:                 case 512:  $data = Horde_Image_Translation::t("Shutter Priority"); break;
205:                 case 768:  $data = Horde_Image_Translation::t("Manual Exposure"); break;
206:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
207:                 }
208:                 break;
209: 
210:             case '1100':
211:                 //ContinuousTakingBracket
212:                 switch ($data) {
213:                 case 0:  $data = Horde_Image_Translation::t("Off"); break;
214:                 case 1:  $data = Horde_Image_Translation::t("On"); break;
215:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
216:                 }
217:                 break;
218: 
219:             case '1300':
220:                 //BlurWarning
221:                 switch ($data) {
222:                 case 0:  $data = Horde_Image_Translation::t("No Warning"); break;
223:                 case 1:  $data = Horde_Image_Translation::t("Warning"); break;
224:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
225:                 }
226:                 break;
227: 
228:             case '1301':
229:                 //FocusWarning
230:                 switch ($data) {
231:                 case 0:  $data = Horde_Image_Translation::t("Auto Focus Good"); break;
232:                 case 1:  $data = Horde_Image_Translation::t("Out of Focus"); break;
233:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
234:                 }
235:                 break;
236: 
237:             case '1302':
238:                 //AEWarning
239:                 switch ($data) {
240:                 case 0:  $data = Horde_Image_Translation::t("AE Good"); break;
241:                 case 1:  $data = Horde_Image_Translation::t("Over Exposure"); break;
242:                 default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
243:                 }
244:                 break;
245:             }
246:             break;
247: 
248:         default:
249:             $data = bin2hex($data);
250:             if ($intel) {
251:                 $data = Horde_Image_Exif::intel2Moto($data);
252:             }
253:             break;
254:         }
255: 
256:         return $data;
257:     }
258: 
259:     /**
260:      *
261:      * @param $block
262:      * @param $result
263:      * @return unknown_type
264:      */
265:     public function parse($block, &$result)
266:     {
267:         $intel = true;
268:         $model = $result['IFD0']['Model'];
269: 
270:         //current place
271:         $place = 8;
272:         $offset = 8;
273: 
274:         $num = bin2hex(substr($block, $place, 4));
275:         $place += 4;
276:         if ($intel) {
277:             $num = Horde_Image_Exif::intel2Moto($num);
278:         }
279:         $result['SubIFD']['MakerNote']['Offset'] = hexdec($num);
280: 
281:         //Get number of tags (2 bytes)
282:         $num = bin2hex(substr($block, $place, 2));
283:         $place += 2;
284:         if ($intel) {
285:             $num = Horde_Image_Exif::intel2Moto($num);
286:         }
287:         $result['SubIFD']['MakerNote']['MakerNoteNumTags'] = hexdec($num);
288: 
289:         //loop thru all tags  Each field is 12 bytes
290:         for ($i = 0; $i < hexdec($num); $i++) {
291:             //2 byte tag
292:             $tag = bin2hex(substr($block, $place, 2));
293:             $place += 2;
294:             if ($intel) {
295:                 $tag = Horde_Image_Exif::intel2Moto($tag);
296:             }
297:             $tag_name = $this->_lookupTag($tag);
298: 
299:             //2 byte type
300:             $type = bin2hex(substr($block, $place, 2));
301:             $place += 2;
302:             if ($intel) {
303:                 $type = Horde_Image_Exif::intel2Moto($type);
304:             }
305:             $this->_lookupType($type, $size);
306: 
307:             //4 byte count of number of data units
308:             $count = bin2hex(substr($block, $place, 4));
309:             $place += 4;
310:             if ($intel) {
311:                 $count = Horde_Image_Exif::intel2Moto($count);
312:             }
313:             $bytesofdata = $size * hexdec($count);
314: 
315:             //4 byte value of data or pointer to data
316:             $value = substr($block, $place, 4);
317:             $place += 4;
318: 
319:             if ($bytesofdata <= 4) {
320:                 $data = $value;
321:             } else {
322:                 $value = bin2hex($value);
323:                 if ($intel) {
324:                     $value = Horde_Image_Exif::intel2Moto($value);
325:                 }
326:                 $data = substr($block, hexdec($value) - $offset, $bytesofdata * 2);
327:             }
328:             $formated_data = $this->_formatData($type, $tag, $intel, $data);
329:             $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;
330:         }
331:     }
332: }
333: