diff options
Diffstat (limited to 'includes/jpeg_metadata_tk/Makernotes/olympus.php')
| -rw-r--r-- | includes/jpeg_metadata_tk/Makernotes/olympus.php | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/includes/jpeg_metadata_tk/Makernotes/olympus.php b/includes/jpeg_metadata_tk/Makernotes/olympus.php new file mode 100644 index 0000000..a9717b0 --- /dev/null +++ b/includes/jpeg_metadata_tk/Makernotes/olympus.php @@ -0,0 +1,486 @@ +<?php + +/****************************************************************************** +* +* Filename: olympus.php +* +* Description: Olympus Makernote Parser +* Provides functions to decode an Olympus EXIF makernote and to interpret +* the resulting array into html. +* +* Olympus Makernote Format: +* +* Field Size Description +* ---------------------------------------------------------------- +* Header 7 Bytes "OLYMP\x00\x01" or "OLYMP\x00\x02" +* Unknown 1 Bytes Unknown +* IFD Data Variable Standard IFD Data using Olympus Tags +* ---------------------------------------------------------------- +* +* +* Author: Evan Hunter +* +* Date: 30/7/2004 +* +* Project: JPEG Metadata +* +* Revision: 1.11 +* +* Changes: 1.00 -> 1.11 : changed get_Olympus_Makernote_Html to allow thumbnail links to work when +* toolkit is portable across directories +* +* URL: http://electronics.ozhiker.com +* +* Copyright: Copyright Evan Hunter 2004 +* This file may be used freely for non-commercial purposes.For +* commercial uses please contact the author: evan@ozhiker.com +* +******************************************************************************/ + + + +// Add the parser and interpreter functions to the list of Makernote parsers and interpreters. + +$GLOBALS['Makernote_Function_Array']['Read_Makernote_Tag'][] = "get_Olympus_Makernote"; +$GLOBALS['Makernote_Function_Array']['get_Makernote_Text_Value'][] = "get_Olympus_Text_Value"; +$GLOBALS['Makernote_Function_Array']['Interpret_Makernote_to_HTML'][] = "get_Olympus_Makernote_Html"; + + + + +include_once dirname(__FILE__) .'/../pjmt_utils.php'; // Change: as of version 1.11 - added to allow directory portability + + + + +/****************************************************************************** +* +* Function: get_Olympus_Makernote +* +* Description: Decodes the Makernote tag and returns the new tag with the decoded +* information attached. Returns false if this is not a makernote +* that can be processed with this script +* +* Parameters: Makernote_Tag - the element of an EXIF array containing the +* makernote, as returned from get_EXIF_JPEG +* EXIF_Array - the entire EXIF array containing the +* makernote, as returned from get_EXIF_JPEG, in +* case more information is required for decoding +* filehnd - an open file handle for the file containing the +* makernote - does not have to be positioned at the +* start of the makernote +* Make_Field - The contents of the EXIF Make field, to aid +* determining whether this script can decode +* the makernote +* +* +* Returns: Makernote_Tag - the Makernote_Tag from the parameters, but +* modified to contain the decoded information +* FALSE - If this script could not decode the makernote, or if +* an error occured in decoding +* +******************************************************************************/ + +function get_Olympus_Makernote( $Makernote_Tag, $EXIF_Array, $filehnd, $Make_Field ) +{ + + // Check if the Make Field contains the word Olympus + if ( stristr( $Make_Field, "Olympus" ) === FALSE ) + { + return FALSE; + } + + // Check if the header exists at the start of the Makernote + if ( ( substr( $Makernote_Tag['Data'], 0, 7 ) != "OLYMP\x00\x01" ) && + ( substr( $Makernote_Tag['Data'], 0, 7 ) != "OLYMP\x00\x02" ) ) + { + // This isn't a Olympus Makernote, abort + return FALSE ; + } + + + + // Seek to the start of the IFD + fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 8 ); + + // Read the IFD(s) into an array + $Makernote_Tag['Decoded Data'] = read_Multiple_IFDs( $filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Olympus" ); + + // Save some information into the Tag element to aid interpretation + $Makernote_Tag['Decoded'] = TRUE; + $Makernote_Tag['Makernote Type'] = "Olympus"; + $Makernote_Tag['Makernote Tags'] = "Olympus"; + + + // Return the new tag + return $Makernote_Tag; +} + +/****************************************************************************** +* End of Function: get_Olympus_Makernote +******************************************************************************/ + + + + + + + +/****************************************************************************** +* +* Function: get_Olympus_Text_Value +* +* Description: Provides a text value for any tag marked as special for makernotes +* that this script can decode. Returns false if this is not a makernote +* that can be processed with this script +* +* Parameters: Exif_Tag - the element of an the Makernote array containing the +* tag in question, as returned from get_Olympus_Makernote +* Tag_Definitions_Name - The name of the Tag Definitions group +* within the global array IFD_Tag_Definitions +* +* +* Returns: output - the text value for the tag +* FALSE - If this script could not decode the makernote, or if +* an error occured in decoding +* +******************************************************************************/ + +function get_Olympus_Text_Value( $Exif_Tag, $Tag_Definitions_Name ) +{ + // Check that this tag uses the Olympus tags, otherwise it can't be decoded here + if ( $Tag_Definitions_Name !== "Olympus" ) + { + // Not an Olympus tag - can't decode it + return FALSE; + } + + + // Process the tag acording to it's tag number, to produce a text value + if ( $Exif_Tag['Tag Number'] == 0x200 ) + { + // Special Mode Tag + + // Add info from the first value to the output string + switch ( $Exif_Tag['Data'][0] ) + { + case 0: $outputstr = "Normal\n"; + break; + case 2: $outputstr = "Fast\n"; + break; + case 3: $outputstr = "Panorama\n"; + break; + default: $outputstr = "Unknown Mode ( " . $Exif_Tag['Data'][0] . " )\n"; + break; + } + + // Add info from the second value to the output string + $outputstr .= "Sequence Number: " . $Exif_Tag['Data'][1] . "\n"; + + // Add info from the third value to the output string + switch ( $Exif_Tag['Data'][2] ) + { + case 0: // Do nothing + break; + case 1: $outputstr .= "Panorama Direction: Left to Right\n"; + break; + case 2: $outputstr .= "Panorama Direction: Right to Left\n"; + break; + case 3: $outputstr .= "Panorama Direction: Bottom to Top\n"; + break; + case 4: $outputstr .= "Panorama Direction: Top to Bottom\n"; + break; + default: $outputstr .= "Unknown Panorama Direction\n"; + break; + } + + // Return the output string + return $outputstr; + } + else + { + // Unknown special tag - can't process it here + return FALSE; + } + + // Unknown special tag - can't process it here + return FALSE; + +} + +/****************************************************************************** +* End of Function: get_Olympus_Text_Value +******************************************************************************/ + + + + +/****************************************************************************** +* +* Function: get_Olympus_Makernote_Html +* +* Description: Attempts to interpret a makernote into html. Returns false if +* it is not a makernote that can be processed with this script +* +* Parameters: Makernote_Tag - the element of an EXIF array containing the +* makernote, as returned from get_EXIF_JPEG +* filename - the name of the JPEG file being processed ( used +* by scripts which display embedded thumbnails) +* +* +* Returns: output - the html representing the makernote +* FALSE - If this script could not interpret the makernote, or if +* an error occured in decoding +* +******************************************************************************/ + +function get_Olympus_Makernote_Html( $Makernote_tag, $filename ) +{ + + // Check that this tag uses the Olympus tags, otherwise it can't be interpreted here + if ( $Makernote_tag['Makernote Tags'] != "Olympus" ) + { + // Not Olympus tags - can't interpret with this function + return FALSE; + } + + // Check if the Decoded data is valid + if ( $Makernote_tag['Decoded Data'][0] === FALSE ) + { + // Decoded data is not valid - can't interpret with this function + return FALSE; + } + + // Minolta Thumbnail 1 + if ( ( array_key_exists( 0x0088, $Makernote_tag['Decoded Data'][0] ) ) && + ( $Makernote_tag['Makernote Tags'] == "Olympus" ) ) + { + // Change: as of version 1.11 - Changed to make thumbnail link portable across directories + // Build the path of the thumbnail script and its filename parameter to put in a url + $link_str = get_relative_path( dirname(__FILE__) . "/../get_minolta_thumb.php" , getcwd ( ) ); + $link_str .= "?filename="; + $link_str .= get_relative_path( $filename, dirname(__FILE__) ."/.." ); + + // Add thumbnail link to html + $Makernote_tag['Decoded Data'][0][0x0088]['Text Value'] = "<a class=\"EXIF_Minolta_Thumb_Link\" href=\"$link_str\" ><img class=\"EXIF_Minolta_Thumb\" src=\"$link_str\"></a>"; + + $Makernote_tag['Decoded Data'][0][0x0088]['Type'] = "String"; + } + // Minolta Thumbnail 2 + if ( ( array_key_exists( 0x0081, $Makernote_tag['Decoded Data'][0] ) ) && + ( $Makernote_tag['Makernote Tags'] == "Olympus" ) ) + { + // Change: as of version 1.11 - Changed to make thumbnail link portable across directories + // Build the path of the thumbnail script and its filename parameter to put in a url + $link_str = get_relative_path( dirname(__FILE__) . " /../get_minolta_thumb.php" , getcwd ( ) ); + $link_str .= "?filename="; + $link_str .= get_relative_path( $filename, dirname(__FILE__) ."/.." ); + + // Add thumbnail link to html + $Makernote_tag['Decoded Data'][0][0x0081]['Text Value'] = "<a class=\"EXIF_Minolta_Thumb_Link\" href=\"$link_str\" ><img class=\"EXIF_Minolta_Thumb\" src=\"$link_str\"></a>"; + $Makernote_tag['Decoded Data'][0][0x0081]['Type'] = "String"; + } + + // Interpret the IFD and return the HTML + return interpret_IFD( $Makernote_tag['Decoded Data'][0], $filename ); + +} + +/****************************************************************************** +* End of Function: get_Olympus_Makernote_Html +******************************************************************************/ + + + + + + + + + + + + +/****************************************************************************** +* Global Variable: IFD_Tag_Definitions, Olympus +* +* Contents: This global variable provides definitions of the known Olympus +* Makernote tags, indexed by their tag number. +* It also includes Minolta and Agfa tags, as they use many of the +* same tags +* +******************************************************************************/ + +$GLOBALS[ "IFD_Tag_Definitions" ]["Olympus"] = array( + +0x0000 => array( 'Name' => "Makernote Version", // Minolta + 'Type' => "String" ), + +0x0001 => array( 'Name' => "Camera Settings", // Minolta + 'Type' => "Special" ), + +0x0003 => array( 'Name' => "Camera Settings", // Minolta + 'Type' => "Special" ), + +0x0040 => array( 'Name' => "Compressed Image Size", // Minolta + 'Type' => "Numeric", + 'Units' => "Bytes" ), + +0x0081 => array( 'Name' => "Minolta Thumbnail", // Minolta + 'Type' => "Special" ), + +0x0088 => array( 'Name' => "Minolta Thumbnail", // Minolta + 'Type' => "Special" ), + +0x0089 => array( 'Name' => "Minolta Thumbnail Length", // Minolta + 'Type' => "Numeric", + 'Units' => "bytes" ), + +0x0101 => array( 'Name' => "Colour Mode", // Minolta + 'Type' => "Lookup", + 0 => "Natural Colour", + 1 => "Black & White", + 2 => "Vivid colour", + 3 => "Solarization", + 4 => "AdobeRGB" ), + +0x0102 => array( 'Name' => "Image Quality", // Minolta + 'Type' => "Lookup", + 0 => "Raw", + 1 => "Super Fine", + 2 => "Fine", + 3 => "Standard", + 4 => "Extra Fine" ), + +0x0103 => array( 'Name' => "Image Quality?", // Minolta + 'Type' => "Lookup", + 0 => "Raw", + 1 => "Super Fine", + 2 => "Fine", + 3 => "Standard", + 4 => "Extra Fine" ), + + + +0x0200 => array( 'Name' => "Special Mode", + 'Type' => "Special" ), + + +0x0201 => array( 'Name' => "JPEG Quality", + 'Type' => "Lookup", + 1 => "Standard Quality", + 2 => "High Quality", + 3 => "Super High Quality" ), + +0x0202 => array( 'Name' => "Macro", + 'Type' => "Lookup", + 0 => "Normal (Not Macro)", + 1 => "Macro" ), + +0x0204 => array( 'Name' => "Digital Zoom", + 'Type' => "Numeric", + 'Units' => " x Digital Zoom, (0 or 1 = normal)" ), + +0x0207 => array( 'Name' => "Firmware Version", + 'Type' => "String" ), + + +0x0208 => array( 'Name' => "Picture Info Data", + 'Type' => "String" ), + +0x0209 => array( 'Name' => "Camera ID", + 'Type' => "String" ), + + +0x020B => array( 'Name' => "Image Width", // Epson Tag + 'Type' => "Pixels" ), + +0x020C => array( 'Name' => "Image Height", // Epson Tag + 'Type' => "Pixels" ), + +0x020D => array( 'Name' => "Original Manufacturer Model?", // Epson Tag + 'Type' => "String" ), + +0x0E00 => array( 'Name'=> "Print Image Matching Info", // Minolta Tag + 'Type' => "PIM" ), + +0x1004 => array( 'Name' => "Flash Mode", + 'Type' => "Numeric" ), + +0x1006 => array( 'Name' => "Bracket", + 'Type' => "Numeric" ), + +0x100B => array( 'Name' => "Focus Mode", + 'Type' => "Numeric" ), + +0x100C => array( 'Name' => "Focus Distance", + 'Type' => "Numeric" ), + +0x100D => array( 'Name' => "Zoom", + 'Type' => "Numeric" ), + +0x100E => array( 'Name' => "Macro Focus", + 'Type' => "Numeric" ), + +0x100F => array( 'Name' => "Sharpness", + 'Type' => "Numeric" ), + +0x1011 => array( 'Name' => "Colour Matrix", + 'Type' => "Numeric" ), + +0x1012 => array( 'Name' => "Black Level", + 'Type' => "Numeric" ), + +0x1015 => array( 'Name' => "White Balance", + 'Type' => "Numeric" ), + +0x1017 => array( 'Name' => "Red Bias", + 'Type' => "Numeric" ), + +0x1018 => array( 'Name' => "Blue Bias", + 'Type' => "Numeric" ), + +0x101A => array( 'Name' => "Serial Number", + 'Type' => "Numeric" ), + +0x1023 => array( 'Name' => "Flash Bias", + 'Type' => "Numeric" ), + +0x1029 => array( 'Name' => "Contrast", + 'Type' => "Numeric" ), + +0x102A => array( 'Name' => "Sharpness Factor", + 'Type' => "Numeric" ), + +0x102B => array( 'Name' => "Colour Control", + 'Type' => "Numeric" ), + +0x102C => array( 'Name' => "Valid Bits", + 'Type' => "Numeric" ), + +0x102D => array( 'Name' => "Coring Filter", + 'Type' => "Numeric" ), + +0x102E => array( 'Name' => "Final Width", + 'Type' => "Numeric" ), + +0x102F => array( 'Name' => "Final Height", + 'Type' => "Numeric" ), + +0x1034 => array( 'Name' => "Compression Ratio", + 'Type' => "Numeric" ), + + + +); + + +/****************************************************************************** +* End of Global Variable: IFD_Tag_Definitions, Olympus +******************************************************************************/ + + + + + +?>
\ No newline at end of file |