1.11 : changed get_Casio_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_Casio_Makernote";
$GLOBALS['Makernote_Function_Array']['get_Makernote_Text_Value'][] = "get_Casio_Text_Value";
$GLOBALS['Makernote_Function_Array']['Interpret_Makernote_to_HTML'][] = "get_Casio_Makernote_Html";
include_once dirname(__FILE__) .'/../pjmt_utils.php'; // Change: as of version 1.11 - added to allow directory portability
/******************************************************************************
*
* Function: get_Casio_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_Casio_Makernote( $Makernote_Tag, $EXIF_Array, $filehnd, $Make_Field )
{
// Check if the Make Field contains the word Casio
if ( stristr( $Make_Field, "Casio" ) === FALSE )
{
return FALSE;
}
if ( substr( $Makernote_Tag['Data'],0 , 6 ) == "QVC\x00\x00\x00" )
{
// Seek to the start of the IFD
fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 6 );
$Makernote_Tag['ByteAlign'] = "MM";
// Read the IFD(s) into an array
$Makernote_Tag['Decoded Data'] = read_Multiple_IFDs( $filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Casio Type 2" );
// Save some information into the Tag element to aid interpretation
$Makernote_Tag['Decoded'] = TRUE;
$Makernote_Tag['Makernote Type'] = "Casio Type 2";
$Makernote_Tag['Makernote Tags'] = "Casio Type 2";
// Return the new tag
return $Makernote_Tag;
}
else
{
// Seek to the start of the IFD
fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 0 );
$Makernote_Tag['ByteAlign'] = "MM";
// Read the IFD(s) into an array
$Makernote_Tag['Decoded Data'] = read_Multiple_IFDs( $filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Casio Type 1" );
// Save some information into the Tag element to aid interpretation
$Makernote_Tag['Decoded'] = TRUE;
$Makernote_Tag['Makernote Type'] = "Casio Type 1";
$Makernote_Tag['Makernote Tags'] = "Casio Type 1";
// Return the new tag
return $Makernote_Tag;
}
}
/******************************************************************************
* End of Function: get_Casio_Makernote
******************************************************************************/
/******************************************************************************
*
* Function: get_Casio_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_Casio_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_Casio_Text_Value( $Exif_Tag, $Tag_Definitions_Name )
{
// Check that this tag uses the Casio tag definitions, otherwise it can't be decoded here
if ( $Tag_Definitions_Name == "Casio Type 2" )
{
// Tag Uses Casio Type 2 Tag definitions
// Process the tag according to it's tag number
if ( $Exif_Tag['Tag Number'] == 0x001D )
{
return $Exif_Tag['Data'][0]/10 . $Exif_Tag['Units'];
}
else
{
return FALSE;
}
}
else if ( $Tag_Definitions_Name == "Casio Type 1" )
{
// Tag Uses Casio Type 1 Tags
return FALSE;
}
else
{
// Tag does NOT use Casio Tag definitions
return FALSE;
}
// Shouldn't get here
return FALSE;
}
/******************************************************************************
* End of Function: get_Casio_Text_Value
******************************************************************************/
/******************************************************************************
*
* Function: get_Casio_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_Casio_Makernote_Html( $Makernote_tag, $filename )
{
// Check that this tag uses the Casio tags, otherwise it can't be interpreted here
if ( ( $Makernote_tag['Makernote Type'] != "Casio Type 1" ) &&
( $Makernote_tag['Makernote Type'] != "Casio Type 2" ) )
{
// Not Casio tags - can't interpret with this function
return FALSE;
}
// Casio Thumbnail (Tag 4)
if ( ( array_key_exists( 4, $Makernote_tag['Decoded Data'][0] ) ) &&
( $Makernote_tag['Makernote Tags'] == "Casio Type 2" ) )
{
// 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_casio_thumb.php" , getcwd ( ) );
$link_str .= "?filename=";
$link_str .= get_relative_path( $filename, dirname(__FILE__) );
// Add thumbnail link to html
$Makernote_tag['Decoded Data'][0][4]['Text Value'] = "
\n";
$Makernote_tag['Decoded Data'][0][4]['Type'] = "String";
}
// Casio Thumbnail (Tag 8192)
if ( ( array_key_exists( 8192, $Makernote_tag['Decoded Data'][0] ) ) &&
( $Makernote_tag['Makernote Tags'] == "Casio Type 2" ) )
{
// 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_casio_thumb.php" , getcwd ( ) );
$link_str .= "?filename=";
$link_str .= get_relative_path( $filename, dirname(__FILE__) . "/.." );
// Add thumbnail link to html
$Makernote_tag['Decoded Data'][0][8192]['Text Value'] = "
\n";
$Makernote_tag['Decoded Data'][0][8192]['Type'] = "String";
}
// Check if there are two thumbnail offset tags
if ( ( array_key_exists( 4, $Makernote_tag['Decoded Data'][0] ) ) &&
( array_key_exists( 8192, $Makernote_tag['Decoded Data'][0] ) ) )
{
// There are two copies of the thumbnail offset - Remove one
array_splice( $Makernote_tag['Decoded Data'][0], 4, 1);
}
// Interpret the IFD and return the html
return interpret_IFD( $Makernote_tag['Decoded Data'][0], $filename );
}
/******************************************************************************
* End of Function: get_Casio_Makernote_Html
******************************************************************************/
/******************************************************************************
* Global Variable: IFD_Tag_Definitions, Casio Type 1
*
* Contents: This global variable provides definitions of the known Casio Type 1
* Makernote tags, indexed by their tag number.
*
******************************************************************************/
$GLOBALS[ "IFD_Tag_Definitions" ]["Casio Type 1"] = array(
1 => array( 'Name' => "Recording Mode",
'Type' => "Lookup",
1 => "Single Shutter",
2 => "Panorama",
3 => "Night Scene",
4 => "Portrait",
5 => "Landscape" ),
2 => array( 'Name' => "Quality",
'Type' => "Lookup",
1 => "Economy",
2 => "Normal",
3 => "Fine" ),
3 => array( 'Name' => "Focusing Mode",
'Type' => "Lookup",
2 => "Macro",
3 => "Auto Focus",
4 => "Manual Focus",
5 => "Infinity" ),
4 => array( 'Name' => "Flash Mode",
'Type' => "Lookup",
1 => "Auto",
2 => "On",
3 => "Off",
4 => "Off" ),
5 => array( 'Name' => "Flash Intensity",
'Type' => "Lookup",
11 => "Weak",
13 => "Normal",
15 => "Strong" ),
6 => array( 'Name' => "Object Distance",
'Type' => "Numeric",
'Units' => "mm" ),
7 => array( 'Name' => "White Balance",
'Type' => "Lookup",
1 => "Auto",
2 => "Tungsten",
3 => "Daylight",
4 => "Flourescent",
5 => "Shade",
129 => "Manual" ),
10 => array( 'Name' => "Digital Zoom",
'Type' => "Lookup",
0x10000 => "Off",
0x10001 => "2x Digital Zoom",
0x20000 => "2x Digital Zoom",
0x40000 => "4x Digital Zoom" ),
11 => array( 'Name' => "Sharpness",
'Type' => "Lookup",
0 => "Normal",
1 => "Soft",
2 => "Hard" ),
12 => array( 'Name' => "Contrast",
'Type' => "Lookup",
0 => "Normal",
1 => "Low",
2 => "High" ),
13 => array( 'Name' => "Saturation",
'Type' => "Lookup",
0 => "Normal",
1 => "Low",
2 => "High" ),
20 => array( 'Name' => "CCD Sensitivity",
'Type' => "Lookup",
64 => "Normal",
125 => "+1.0",
250 => "+2.0",
244 => "+3.0",
80 => "Normal (ISO 80 equivalent)",
100 => "High" ),
);
/******************************************************************************
* End of Global Variable: IFD_Tag_Definitions, Casio Type 1
******************************************************************************/
/******************************************************************************
* Global Variable: IFD_Tag_Definitions, Casio Type 2
*
* Contents: This global variable provides definitions of the known Casio Type 2
* Makernote tags, indexed by their tag number.
*
******************************************************************************/
$GLOBALS[ "IFD_Tag_Definitions" ]["Casio Type 2"] = array(
0x0002 => array( 'Name' => "Preview Thumbnail Dimensions",
'Type' => "Numeric",
'Units' => "(x,y pixels)" ),
0x0003 => array( 'Name' => "Preview Thumbnail Size",
'Type' => "Numeric",
'Units' => "bytes" ),
0x0004 => array( 'Name' => "Preview Thumbnail", // thumbnail offset
'Type' => "Numeric" ),
0x0008 => array( 'Name' => "Quality Mode",
'Type' => "Lookup",
1 => "Fine",
2 => "Super Fine" ),
0x0009 => array( 'Name' => "Image Size",
'Type' => "Lookup",
20 => "2288 x 1712 pixels",
36 => "3008 x 2008 pixels",
5 => "2048 x 1536 pixels",
4 => "1600 x 1200 pixels",
21 => "2592 x 1944 pixels",
0 => "640 x 480 pixels",
22 => "2304 x 1728 pixels" ),
0x000D => array( 'Name' => "Focus Mode",
'Type' => "Lookup",
0 => "Normal",
1 => "Macro" ),
0x0014 => array( 'Name' => "Iso Sensitivity",
'Type' => "Lookup",
3 => "50",
4 => "64",
6 => "100",
9 => "200" ),
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
******************************************************************************/
?>