575 lines
20 KiB
PHP
575 lines
20 KiB
PHP
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<?php
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/******************************************************************************
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*
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* Filename: casio.php
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*
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* Description: Casio Makernote Parser
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* Provides functions to decode an Casio EXIF makernote and to interpret
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* the resulting array into html.
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*
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* Casio Makernote Format:
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*
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* Type 1:
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*
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* Field Size Description
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* ----------------------------------------------------------------
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* IFD Data Variable Standard IFD Data using Casio Type 1 Tags and Motorola Byte Alignment
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* ----------------------------------------------------------------
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*
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* Type 2:
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*
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* Field Size Description
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* ----------------------------------------------------------------
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* Header 6 Bytes "QVC\x00\x00\x00"
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* IFD Data Variable Standard IFD Data using Casio Type 2 Tags and Motorola Byte Alignment
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* ----------------------------------------------------------------
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*
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*
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* Author: Evan Hunter
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*
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* Date: 30/7/2004
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*
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* Project: JPEG Metadata
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*
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* Revision: 1.11
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*
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* Changes: 1.00 -> 1.11 : changed get_Casio_Makernote_Html to allow thumbnail links to work when
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* toolkit is portable across directories
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*
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* URL: http://electronics.ozhiker.com
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*
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* Copyright: Copyright Evan Hunter 2004
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* This file may be used freely for non-commercial purposes.For
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* commercial uses please contact the author: evan@ozhiker.com
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*
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******************************************************************************/
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// Add the parser and interpreter functions to the list of Makernote parsers and interpreters.
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$GLOBALS['Makernote_Function_Array']['Read_Makernote_Tag'][] = "get_Casio_Makernote";
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$GLOBALS['Makernote_Function_Array']['get_Makernote_Text_Value'][] = "get_Casio_Text_Value";
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$GLOBALS['Makernote_Function_Array']['Interpret_Makernote_to_HTML'][] = "get_Casio_Makernote_Html";
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include_once dirname(__FILE__) .'/../pjmt_utils.php'; // Change: as of version 1.11 - added to allow directory portability
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/******************************************************************************
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*
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* Function: get_Casio_Makernote
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*
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* Description: Decodes the Makernote tag and returns the new tag with the decoded
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* information attached. Returns false if this is not a makernote
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* that can be processed with this script
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*
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* Parameters: Makernote_Tag - the element of an EXIF array containing the
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* makernote, as returned from get_EXIF_JPEG
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* EXIF_Array - the entire EXIF array containing the
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* makernote, as returned from get_EXIF_JPEG, in
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* case more information is required for decoding
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* filehnd - an open file handle for the file containing the
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* makernote - does not have to be positioned at the
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* start of the makernote
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* Make_Field - The contents of the EXIF Make field, to aid
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* determining whether this script can decode
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* the makernote
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*
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*
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* Returns: Makernote_Tag - the Makernote_Tag from the parameters, but
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* modified to contain the decoded information
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* FALSE - If this script could not decode the makernote, or if
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* an error occured in decoding
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*
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******************************************************************************/
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function get_Casio_Makernote( $Makernote_Tag, $EXIF_Array, $filehnd, $Make_Field )
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{
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// Check if the Make Field contains the word Casio
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if ( stristr( $Make_Field, "Casio" ) === FALSE )
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{
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return FALSE;
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}
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if ( substr( $Makernote_Tag['Data'],0 , 6 ) == "QVC\x00\x00\x00" )
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{
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// Seek to the start of the IFD
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fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 6 );
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$Makernote_Tag['ByteAlign'] = "MM";
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// Read the IFD(s) into an array
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$Makernote_Tag['Decoded Data'] = read_Multiple_IFDs( $filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Casio Type 2" );
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// Save some information into the Tag element to aid interpretation
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$Makernote_Tag['Decoded'] = TRUE;
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$Makernote_Tag['Makernote Type'] = "Casio Type 2";
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$Makernote_Tag['Makernote Tags'] = "Casio Type 2";
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// Return the new tag
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return $Makernote_Tag;
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}
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else
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{
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// Seek to the start of the IFD
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fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 0 );
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$Makernote_Tag['ByteAlign'] = "MM";
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// Read the IFD(s) into an array
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$Makernote_Tag['Decoded Data'] = read_Multiple_IFDs( $filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Casio Type 1" );
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// Save some information into the Tag element to aid interpretation
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$Makernote_Tag['Decoded'] = TRUE;
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$Makernote_Tag['Makernote Type'] = "Casio Type 1";
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$Makernote_Tag['Makernote Tags'] = "Casio Type 1";
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// Return the new tag
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return $Makernote_Tag;
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}
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}
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/******************************************************************************
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* End of Function: get_Casio_Makernote
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******************************************************************************/
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/******************************************************************************
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*
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* Function: get_Casio_Text_Value
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*
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* Description: Provides a text value for any tag marked as special for makernotes
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* that this script can decode. Returns false if this is not a makernote
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* that can be processed with this script
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*
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* Parameters: Exif_Tag - the element of an the Makernote array containing the
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* tag in question, as returned from get_Casio_Makernote
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* Tag_Definitions_Name - The name of the Tag Definitions group
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* within the global array IFD_Tag_Definitions
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*
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*
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* Returns: output - the text value for the tag
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* FALSE - If this script could not decode the makernote, or if
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* an error occured in decoding
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*
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******************************************************************************/
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function get_Casio_Text_Value( $Exif_Tag, $Tag_Definitions_Name )
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{
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// Check that this tag uses the Casio tag definitions, otherwise it can't be decoded here
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if ( $Tag_Definitions_Name == "Casio Type 2" )
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{
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// Tag Uses Casio Type 2 Tag definitions
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// Process the tag according to it's tag number
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if ( $Exif_Tag['Tag Number'] == 0x001D )
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{
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return $Exif_Tag['Data'][0]/10 . $Exif_Tag['Units'];
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}
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else
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{
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return FALSE;
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}
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}
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else if ( $Tag_Definitions_Name == "Casio Type 1" )
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{
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// Tag Uses Casio Type 1 Tags
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return FALSE;
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}
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else
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{
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// Tag does NOT use Casio Tag definitions
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return FALSE;
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}
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// Shouldn't get here
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return FALSE;
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}
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/******************************************************************************
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* End of Function: get_Casio_Text_Value
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******************************************************************************/
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/******************************************************************************
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*
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* Function: get_Casio_Makernote_Html
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*
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* Description: Attempts to interpret a makernote into html. Returns false if
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* it is not a makernote that can be processed with this script
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*
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* Parameters: Makernote_Tag - the element of an EXIF array containing the
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* makernote, as returned from get_EXIF_JPEG
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* filename - the name of the JPEG file being processed ( used
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* by scripts which display embedded thumbnails)
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*
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*
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* Returns: output - the html representing the makernote
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* FALSE - If this script could not interpret the makernote, or if
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* an error occured in decoding
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*
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******************************************************************************/
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function get_Casio_Makernote_Html( $Makernote_tag, $filename )
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{
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// Check that this tag uses the Casio tags, otherwise it can't be interpreted here
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if ( ( $Makernote_tag['Makernote Type'] != "Casio Type 1" ) &&
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( $Makernote_tag['Makernote Type'] != "Casio Type 2" ) )
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{
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// Not Casio tags - can't interpret with this function
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return FALSE;
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}
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// Casio Thumbnail (Tag 4)
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if ( ( array_key_exists( 4, $Makernote_tag['Decoded Data'][0] ) ) &&
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( $Makernote_tag['Makernote Tags'] == "Casio Type 2" ) )
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{
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// Change: as of version 1.11 - Changed to make thumbnail link portable across directories
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// Build the path of the thumbnail script and its filename parameter to put in a url
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$link_str = get_relative_path( dirname(__FILE__) . "/get_casio_thumb.php" , getcwd ( ) );
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$link_str .= "?filename=";
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$link_str .= get_relative_path( $filename, dirname(__FILE__) );
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// Add thumbnail link to html
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$Makernote_tag['Decoded Data'][0][4]['Text Value'] = "<a class=\"EXIF_Casio_Thumb_Link\" href=\"$link_str\"><img class=\"EXIF_Casio_Thumb\" src=\"$link_str\"></a></td></tr>\n";
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$Makernote_tag['Decoded Data'][0][4]['Type'] = "String";
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}
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// Casio Thumbnail (Tag 8192)
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if ( ( array_key_exists( 8192, $Makernote_tag['Decoded Data'][0] ) ) &&
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( $Makernote_tag['Makernote Tags'] == "Casio Type 2" ) )
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{
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// Change: as of version 1.11 - Changed to make thumbnail link portable across directories
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// Build the path of the thumbnail script and its filename parameter to put in a url
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$link_str = get_relative_path( dirname(__FILE__) . "/.." . "/get_casio_thumb.php" , getcwd ( ) );
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$link_str .= "?filename=";
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$link_str .= get_relative_path( $filename, dirname(__FILE__) . "/.." );
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// Add thumbnail link to html
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$Makernote_tag['Decoded Data'][0][8192]['Text Value'] = "<a class=\"EXIF_Casio_Thumb_Link\" href=\"$link_str\"><img class=\"EXIF_Casio_Thumb\" src=\"$link_str\"></a></td></tr>\n";
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$Makernote_tag['Decoded Data'][0][8192]['Type'] = "String";
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}
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// Check if there are two thumbnail offset tags
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if ( ( array_key_exists( 4, $Makernote_tag['Decoded Data'][0] ) ) &&
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( array_key_exists( 8192, $Makernote_tag['Decoded Data'][0] ) ) )
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{
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// There are two copies of the thumbnail offset - Remove one
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array_splice( $Makernote_tag['Decoded Data'][0], 4, 1);
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}
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// Interpret the IFD and return the html
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return interpret_IFD( $Makernote_tag['Decoded Data'][0], $filename );
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}
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/******************************************************************************
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* End of Function: get_Casio_Makernote_Html
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******************************************************************************/
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/******************************************************************************
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* Global Variable: IFD_Tag_Definitions, Casio Type 1
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*
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* Contents: This global variable provides definitions of the known Casio Type 1
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* Makernote tags, indexed by their tag number.
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*
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******************************************************************************/
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$GLOBALS[ "IFD_Tag_Definitions" ]["Casio Type 1"] = array(
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1 => array( 'Name' => "Recording Mode",
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'Type' => "Lookup",
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1 => "Single Shutter",
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2 => "Panorama",
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3 => "Night Scene",
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4 => "Portrait",
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5 => "Landscape" ),
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2 => array( 'Name' => "Quality",
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'Type' => "Lookup",
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1 => "Economy",
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2 => "Normal",
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3 => "Fine" ),
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3 => array( 'Name' => "Focusing Mode",
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'Type' => "Lookup",
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2 => "Macro",
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3 => "Auto Focus",
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4 => "Manual Focus",
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5 => "Infinity" ),
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4 => array( 'Name' => "Flash Mode",
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'Type' => "Lookup",
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1 => "Auto",
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2 => "On",
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3 => "Off",
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4 => "Off" ),
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5 => array( 'Name' => "Flash Intensity",
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'Type' => "Lookup",
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11 => "Weak",
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13 => "Normal",
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15 => "Strong" ),
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6 => array( 'Name' => "Object Distance",
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'Type' => "Numeric",
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'Units' => "mm" ),
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7 => array( 'Name' => "White Balance",
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'Type' => "Lookup",
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1 => "Auto",
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2 => "Tungsten",
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3 => "Daylight",
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4 => "Flourescent",
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5 => "Shade",
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129 => "Manual" ),
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10 => array( 'Name' => "Digital Zoom",
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'Type' => "Lookup",
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0x10000 => "Off",
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0x10001 => "2x Digital Zoom",
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0x20000 => "2x Digital Zoom",
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0x40000 => "4x Digital Zoom" ),
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11 => array( 'Name' => "Sharpness",
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'Type' => "Lookup",
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0 => "Normal",
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1 => "Soft",
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2 => "Hard" ),
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12 => array( 'Name' => "Contrast",
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'Type' => "Lookup",
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0 => "Normal",
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1 => "Low",
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2 => "High" ),
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13 => array( 'Name' => "Saturation",
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'Type' => "Lookup",
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0 => "Normal",
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1 => "Low",
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2 => "High" ),
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20 => array( 'Name' => "CCD Sensitivity",
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'Type' => "Lookup",
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64 => "Normal",
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125 => "+1.0",
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250 => "+2.0",
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244 => "+3.0",
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80 => "Normal (ISO 80 equivalent)",
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100 => "High" ),
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);
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/******************************************************************************
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* End of Global Variable: IFD_Tag_Definitions, Casio Type 1
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******************************************************************************/
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/******************************************************************************
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* Global Variable: IFD_Tag_Definitions, Casio Type 2
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*
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* Contents: This global variable provides definitions of the known Casio Type 2
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* Makernote tags, indexed by their tag number.
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*
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******************************************************************************/
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$GLOBALS[ "IFD_Tag_Definitions" ]["Casio Type 2"] = array(
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0x0002 => array( 'Name' => "Preview Thumbnail Dimensions",
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'Type' => "Numeric",
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'Units' => "(x,y pixels)" ),
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0x0003 => array( 'Name' => "Preview Thumbnail Size",
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'Type' => "Numeric",
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'Units' => "bytes" ),
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0x0004 => array( 'Name' => "Preview Thumbnail", // thumbnail offset
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'Type' => "Numeric" ),
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0x0008 => array( 'Name' => "Quality Mode",
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'Type' => "Lookup",
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1 => "Fine",
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2 => "Super Fine" ),
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0x0009 => array( 'Name' => "Image Size",
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'Type' => "Lookup",
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20 => "2288 x 1712 pixels",
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36 => "3008 x 2008 pixels",
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5 => "2048 x 1536 pixels",
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4 => "1600 x 1200 pixels",
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21 => "2592 x 1944 pixels",
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0 => "640 x 480 pixels",
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22 => "2304 x 1728 pixels" ),
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0x000D => array( 'Name' => "Focus Mode",
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'Type' => "Lookup",
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0 => "Normal",
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1 => "Macro" ),
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0x0014 => array( 'Name' => "Iso Sensitivity",
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'Type' => "Lookup",
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3 => "50",
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4 => "64",
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6 => "100",
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9 => "200" ),
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0x0019 => array( 'Name' => "White Balance",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "Auto",
|
||
|
1 => "Daylight",
|
||
|
2 => "Shade",
|
||
|
3 => "Tungsten",
|
||
|
4 => "Fluorescent",
|
||
|
5 => "Manual" ),
|
||
|
|
||
|
0x001D => array( 'Name' => "Focal Length",
|
||
|
'Type' => "Special",
|
||
|
'Units' => "mm" ),
|
||
|
|
||
|
0x001F => array( 'Name' => "Saturation",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "-1",
|
||
|
1 => "Normal",
|
||
|
2 => "+1", ),
|
||
|
|
||
|
0x0020 => array( 'Name' => "Contrast",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "-1",
|
||
|
1 => "Normal",
|
||
|
2 => "+1", ),
|
||
|
|
||
|
0x0021 => array( 'Name' => "Sharpness",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "-1",
|
||
|
1 => "Normal",
|
||
|
2 => "+1", ),
|
||
|
|
||
|
|
||
|
0x0e00 => array( 'Name' => "Print Image Matching Info",
|
||
|
'Type' => "PIM" ),
|
||
|
|
||
|
|
||
|
0x2000 => array( 'Name' => "Casio Preview Thumbnail", // thumbnail offset
|
||
|
'Type' => "String" ),
|
||
|
|
||
|
|
||
|
|
||
|
0x2011 => array( 'Name' => "White Balance Bias",
|
||
|
'Type' => "Numeric" ),
|
||
|
|
||
|
|
||
|
0x2012 => array( 'Name' => "White Balance",
|
||
|
'Type' => "Lookup",
|
||
|
12 => "Flash",
|
||
|
0 => "Manual",
|
||
|
1 => "Auto?",
|
||
|
4 => "Flash?", ),
|
||
|
|
||
|
0x2022 => array( 'Name' => "Object Distance",
|
||
|
'Type' => "Numeric",
|
||
|
'Units' => "mm" ),
|
||
|
|
||
|
|
||
|
0x2034 => array( 'Name' => "Flash Distance",
|
||
|
'Type' => "Numeric",
|
||
|
'Units' => " (0=Off)" ),
|
||
|
|
||
|
0x3000 => array( 'Name' => "Record Mode",
|
||
|
'Type' => "Lookup",
|
||
|
2 => "Normal Mode" ),
|
||
|
|
||
|
0x3001 => array( 'Name' => "Self Timer?",
|
||
|
'Type' => "Lookup",
|
||
|
1 => "Off?" ),
|
||
|
|
||
|
|
||
|
0x3002 => array( 'Name' => "Quality",
|
||
|
'Type' => "Lookup",
|
||
|
3 => "Fine" ),
|
||
|
|
||
|
0x3003 => array( 'Name' => "Focus Mode",
|
||
|
'Type' => "Lookup",
|
||
|
6 => "Multi-Area Auto Focus",
|
||
|
1 => "Fixation" ),
|
||
|
|
||
|
|
||
|
0x3006 => array( 'Name' => "Time Zone",
|
||
|
'Type' => "String" ),
|
||
|
|
||
|
|
||
|
0x3007 => array( 'Name' => "Bestshot Mode",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "Off",
|
||
|
1 => "On?" ),
|
||
|
|
||
|
|
||
|
0x3014 => array( 'Name' => "CCD ISO Sensitivity",
|
||
|
'Type' => "Numeric" ),
|
||
|
|
||
|
|
||
|
|
||
|
0x3015 => array( 'Name' => "Colour Mode",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "Off" ),
|
||
|
|
||
|
|
||
|
0x3016 => array( 'Name' => "Enhancement",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "Off" ),
|
||
|
|
||
|
0x3017 => array( 'Name' => "Filter",
|
||
|
'Type' => "Lookup",
|
||
|
0 => "Off" ),
|
||
|
|
||
|
|
||
|
);
|
||
|
|
||
|
/******************************************************************************
|
||
|
* End of Global Variable: IFD_Tag_Definitions, Casio Type 2
|
||
|
******************************************************************************/
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
|
||
|
?>
|