<?php
/**
- * Class for dealing with Exif data using a bundled PHP library based on Exifer.
- *
+ * Class for dealing with Exif data using a bundled PHP library based on
+ * Exifer.
*
* Copyright 2009-2010 The Horde Project (http://www.horde.org/)
*
{
public function getData($image)
{
- $raw = self::_exif_read_data($image);
+ $raw = $this->_readData($image);
$exif = array();
foreach ($raw as $key => $value) {
- if (($key == 'IFD0') || ($key == 'SubIFD')) {
+ if ($key == 'IFD0' || $key == 'SubIFD') {
foreach ($value as $subkey => $subvalue) {
$exif[$subkey] = $subvalue;
}
return $this->_processData($exif);
}
-
/**
*
* @param $path
- * @return unknown_type
+ *
+ * @return array
*/
- static protected function _exif_read_data($path)
+ protected function _readData($path)
{
- if ($path == '' || $path == 'none') {
- return;
- }
-
- // the b is for windows machines to open in binary mode
- $in = @fopen($path, 'rb');
-
// There may be an elegant way to do this with one file handle.
+ $in = @fopen($path, 'rb');
$seek = @fopen($path, 'rb');
$globalOffset = 0;
- $result['Errors'] = 0;
+ $result = array('Errors' => 0);
// if the path was invalid, this error will catch it
if (!$in || !$seek) {
$result['Errors'] = 1;
- $result['Error'][$result['Errors']] = _("The file could not be found.");
+ $result['Error'][$result['Errors']] = _("The file could not be opened.");
return $result;
}
$result['ValidAPP2Data'] = 0;
$result['ValidCOMData'] = 0;
- // Next 2 bytes are MARKER tag (0xFFE#)
+ // Next 2 bytes are marker tag (0xFFE#)
$data = bin2hex(fread($in, 2));
$size = bin2hex(fread($in, 2));
- // LOOP THROUGH MARKERS TILL YOU GET TO FFE1 (exif marker)
+ // Loop through markers till you get to FFE1 (Exif marker)
while(!feof($in) && $data != 'ffe1' && $data != 'ffc0' && $data != 'ffd9') {
- if ($data == 'ffe0') { // JFIF Marker
+ switch ($data) {
+ case 'ffe0':
+ // JFIF Marker
$result['ValidJFIFData'] = 1;
$result['JFIF']['Size'] = hexdec($size);
-
if (hexdec($size) - 2 > 0) {
$data = fread($in, hexdec($size) - 2);
$result['JFIF']['Data'] = $data;
}
+ $result['JFIF']['Identifier'] = substr($data, 0, 5);
+ $result['JFIF']['ExtensionCode'] = bin2hex(substr($data, 6, 1));
+ $globalOffset += hexdec($size) + 2;
+ break;
- $result['JFIF']['Identifier'] = substr($data, 0, 5);;
- $result['JFIF']['ExtensionCode'] = bin2hex(substr($data, 6, 1));
-
- $globalOffset+=hexdec($size) + 2;
-
- } elseif ($data == 'ffed') { // IPTC Marker
+ case 'ffed':
+ // IPTC Marker
$result['ValidIPTCData'] = 1;
$result['IPTC']['Size'] = hexdec($size);
-
if (hexdec($size) - 2 > 0) {
- $data = fread($in, hexdec($size)-2);
+ $data = fread($in, hexdec($size) - 2);
$result['IPTC']['Data'] = $data ;
}
$globalOffset += hexdec($size) + 2;
+ break;
- } elseif ($data == 'ffe2') { // EXIF extension Marker
+ case 'ffe2':
+ // EXIF extension Marker
$result['ValidAPP2Data'] = 1;
$result['APP2']['Size'] = hexdec($size);
-
- if (hexdec($size)-2 > 0) {
+ if (hexdec($size) - 2 > 0) {
$data = fread($in, hexdec($size) - 2);
$result['APP2']['Data'] = $data ;
}
- $globalOffset+=hexdec($size) + 2;
+ $globalOffset += hexdec($size) + 2;
+ break;
- } elseif ($data == 'fffe') { // COM extension Marker
+ case 'fffe':
+ // COM extension Marker
$result['ValidCOMData'] = 1;
$result['COM']['Size'] = hexdec($size);
-
- if (hexdec($size)-2 > 0) {
+ if (hexdec($size) - 2 > 0) {
$data = fread($in, hexdec($size) - 2);
$result['COM']['Data'] = $data ;
}
$globalOffset += hexdec($size) + 2;
+ break;
- } else if ($data == 'ffe1') {
+ case 'ffe1':
$result['ValidEXIFData'] = 1;
+ break;
}
$data = bin2hex(fread($in, 2));
$size = bin2hex(fread($in, 2));
}
- // END MARKER LOOP
- if ($data == 'ffe1') {
- $result['ValidEXIFData'] = 1;
- } else {
+ if ($data != 'ffe1') {
fclose($in);
fclose($seek);
return $result;
}
+ $result['ValidEXIFData'] = 1;
+
// Size of APP1
$result['APP1Size'] = hexdec($size);
// Then theres a TIFF header with 2 bytes of endieness (II or MM)
$header = fread($in, 2);
- if ($header==='II') {
+ switch ($header) {
+ case 'II':
$intel = 1;
$result['Endien'] = 'Intel';
- } elseif ($header==='MM') {
+ break;
+ case 'MM':
$intel = 0;
$result['Endien'] = 'Motorola';
- } else {
- $intel = 1; // not sure what the default should be, but this seems reasonable
+ break;
+ default:
+ // not sure what the default should be, but this seems reasonable
+ $intel = 1;
$result['Endien'] = 'Unknown';
+ break;
}
// 2 bytes of 0x002a
$tag = bin2hex(fread( $in, 2 ));
- // Then 4 bytes of offset to IFD0 (usually 8 which includes all 8 bytes of TIFF header)
+ // Then 4 bytes of offset to IFD0 (usually 8 which includes all 8 bytes
+ // of TIFF header)
$offset = bin2hex(fread($in, 4));
if ($intel == 1) {
$offset = Horde_Image_Exif::intel2Moto($offset);
// 1000 entries is too much and is probably an error.
if ($num < 1000) {
- for($i = 0; $i < $num; $i++) {
- self::_readEntry($result, $in, $seek, $intel, 'IFD0', $globalOffset);
+ for ($i = 0; $i < $num; $i++) {
+ $this->_readEntry($result, $in, $seek, $intel, 'IFD0', $globalOffset);
}
} else {
$result['Errors'] = $result['Errors'] + 1;
$result['IFD1Offset'] = hexdec($offset);
// Check for SubIFD
- if (!isset($result['IFD0']['ExifOffset']) || $result['IFD0']['ExifOffset'] == 0) {
+ if (!isset($result['IFD0']['ExifOffset']) ||
+ $result['IFD0']['ExifOffset'] == 0) {
fclose($in);
fclose($seek);
return $result;
// 1000 entries is too much and is probably an error.
if ($num < 1000) {
- for($i = 0; $i < $num; $i++) {
- self::_readEntry($result, $in, $seek, $intel, 'SubIFD', $globalOffset);
+ for ($i = 0; $i < $num; $i++) {
+ $this->_readEntry($result, $in, $seek, $intel, 'SubIFD', $globalOffset);
}
} else {
$result['Errors'] = $result['Errors'] + 1;
// 1000 entries is too much and is probably an error.
if ($num < 1000) {
- for($i = 0; $i < $num; $i++) {
- self::_readEntry($result, $in, $seek, $intel, 'IFD1', $globalOffset);
+ for ($i = 0; $i < $num; $i++) {
+ $this->_readEntry($result, $in, $seek, $intel, 'IFD1', $globalOffset);
}
} else {
$result['Errors'] = $result['Errors'] + 1;
$result['Error'][$result['Errors']] = _("Illegal size for IFD1");
}
+
// include the thumbnail raw data...
if ($result['IFD1']['JpegIFOffset'] > 0 &&
$result['IFD1']['JpegIFByteCount'] > 0) {
-
$v = fseek($seek, $globalOffset + $result['IFD1']['JpegIFOffset']);
if ($v == 0) {
$data = fread($seek, $result['IFD1']['JpegIFByteCount']);
// Check for Interoperability IFD
if (!isset($result['SubIFD']['ExifInteroperabilityOffset']) ||
$result['SubIFD']['ExifInteroperabilityOffset'] == 0) {
-
fclose($in);
fclose($seek);
return $result;
// 1000 entries is too much and is probably an error.
if ($num < 1000) {
- for($i = 0; $i < $num; $i++) {
- self::_readEntry($result, $in, $seek, $intel, 'InteroperabilityIFD', $globalOffset);
+ for ($i = 0; $i < $num; $i++) {
+ $this->_readEntry($result, $in, $seek, $intel, 'InteroperabilityIFD', $globalOffset);
}
} else {
$result['Errors'] = $result['Errors'] + 1;
$result['Error'][$result['Errors']] = _("Illegal size for InteroperabilityIFD");
}
+
fclose($in);
fclose($seek);
return $result;
* @param $globalOffset
* @return unknown_type
*/
- static protected function _readEntry(&$result, $in, $seek, $intel, $ifd_name, $globalOffset)
+ protected function _readEntry(&$result, $in, $seek, $intel, $ifd_name,
+ $globalOffset)
{
// Still ok to read?
if (feof($in)) {
// 2 byte tag
$tag = bin2hex(fread($in, 2));
- if ($intel == 1) $tag = Horde_Image_Exif::intel2Moto($tag);
- $tag_name = self::_lookupTag($tag);
+ if ($intel == 1) {
+ $tag = Horde_Image_Exif::intel2Moto($tag);
+ }
+ $tag_name = $this->_lookupTag($tag);
// 2 byte datatype
$type = bin2hex(fread($in, 2));
- if ($intel == 1) $type = Horde_Image_Exif::intel2Moto($type);
- self::_lookupType($type, $size);
+ if ($intel == 1) {
+ $type = Horde_Image_Exif::intel2Moto($type);
+ }
+ $this->_lookupType($type, $size);
// 4 byte number of elements
$count = bin2hex(fread($in, 4));
- if ($intel == 1) $count = Horde_Image_Exif::intel2Moto($count);
+ if ($intel == 1) {
+ $count = Horde_Image_Exif::intel2Moto($count);
+ }
$bytesofdata = $size * hexdec($count);
// 4 byte value or pointer to value if larger than 4 bytes
- $value = fread($in, 4 );
+ $value = fread($in, 4);
// if datatype is 4 bytes or less, its the value
if ($bytesofdata <= 4) {
}
// if its a maker tag, we need to parse this specially
- if ($tag_name == 'MakerNote') {
- $make = $result['IFD0']['Make'];
- if (strpos(strtolower($make), 'nikon') !== false) {
+ switch ($tag_name) {
+ case 'MakerNote':
+ $make = Horde_String::lower($result['IFD0']['Make']);
+ if (strpos($make, 'nikon') !== false) {
Horde_Image_Exif_Parser_Nikon::parse($data, $result);
$result[$ifd_name]['KnownMaker'] = 1;
- } elseif (strpos(strtolower($make), 'olympus') !== false) {
+ } elseif (strpos($make, 'olympus') !== false) {
Horde_Image_Exif_Parser_Olympus::parse($data, $result, $seek, $globalOffset);
$result[$ifd_name]['KnownMaker'] = 1;
- } elseif (strpos(strtolower($make), 'canon') !== false) {
+ } elseif (strpos($make, 'canon') !== false) {
Horde_Image_Exif_Parser_Canon::parse($data, $result, $seek, $globalOffset);
$result[$ifd_name]['KnownMaker'] = 1;
- } elseif (strpos(strtolower($make), 'fujifilm') !== false) {
+ } elseif (strpos($make, 'fujifilm') !== false) {
Horde_Image_Exif_Parser_Fujifilm::parse($data, $result);
$result[$ifd_name]['KnownMaker'] = 1;
- } elseif (strpos(strtolower($make), 'sanyo') !== false) {
+ } elseif (strpos($make, 'sanyo') !== false) {
Horde_Image_Exif_Parser_Sanyo::parse($data, $result, $seek, $globalOffset);
$result[$ifd_name]['KnownMaker'] = 1;
- } elseif (strpos(strtolower($make), 'panasonic') !== false) {
+ } elseif (strpos($make, 'panasonic') !== false) {
Horde_Image_Exif_Parser_Panasonic::parse($data, $result, $seek, $globalOffset);
$result[$ifd_name]['KnownMaker'] = 1;
} else {
$result[$ifd_name]['KnownMaker'] = 0;
}
- } elseif ($tag_name == 'GPSInfoOffset') {
- $formated_data = self::_formatData($type, $tag, $intel, $data);
+ break;
+
+ case 'GPSInfoOffset':
+ $formated_data = $this->_formatData($type, $tag, $intel, $data);
$result[$ifd_name]['GPSInfo'] = $formated_data;
Horde_Image_Exif_Parser_Gps::parse($data, $result, $formated_data, $seek, $globalOffset);
- } else {
+ break;
+
+ default:
// Format the data depending on the type and tag
- $formated_data = self::_formatData($type, $tag, $intel, $data);
+ $formated_data = $this->_formatData($type, $tag, $intel, $data);
$result[$ifd_name][$tag_name] = $formated_data;
}
}
* @param $tag
* @return unknown_type
*/
- static protected function _lookupTag($tag)
+ protected function _lookupTag($tag)
{
switch($tag)
{
// used by IFD0 'Camera Tags'
- case '000b': $tag = 'ACDComment'; break; // text string up to 999 bytes long
- case '00fe': $tag = 'ImageType'; break; // integer -2147483648 to 2147483647
- case '0106': $tag = 'PhotometricInterpret'; break; // ?? Please send sample image with this tag
- case '010e': $tag = 'ImageDescription'; break; // text string up to 999 bytes long
- case '010f': $tag = 'Make'; break; // text string up to 999 bytes long
- case '0110': $tag = 'Model'; break; // text string up to 999 bytes long
- case '0112': $tag = 'Orientation'; break; // integer values 1-9
- case '0115': $tag = 'SamplePerPixel'; break; // integer 0-65535
- case '011a': $tag = 'xResolution'; break; // positive rational number
- case '011b': $tag = 'yResolution'; break; // positive rational number
- case '011c': $tag = 'PlanarConfig'; break; // integer values 1-2
- case '0128': $tag = 'ResolutionUnit'; break; // integer values 1-3
- case '0131': $tag = 'Software'; break; // text string up to 999 bytes long
- case '0132': $tag = 'DateTime'; break; // YYYY:MM:DD HH:MM:SS
- case '013b': $tag = 'Artist'; break; // text string up to 999 bytes long
- case '013c': $tag = 'HostComputer'; break; // text string
- case '013e': $tag = 'WhitePoint'; break; // two positive rational numbers
- case '013f': $tag = 'PrimaryChromaticities'; break; // six positive rational numbers
- case '0211': $tag = 'YCbCrCoefficients'; break; // three positive rational numbers
- case '0213': $tag = 'YCbCrPositioning'; break; // integer values 1-2
- case '0214': $tag = 'ReferenceBlackWhite'; break; // six positive rational numbers
- case '8298': $tag = 'Copyright'; break; // text string up to 999 bytes long
- case '8649': $tag = 'PhotoshopSettings'; break; // ??
+ // text string up to 999 bytes long
+ case '000b': $tag = 'ACDComment'; break;
+ // integer -2147483648 to 2147483647
+ case '00fe': $tag = 'ImageType'; break;
+ // ?? Please send sample image with this tag
+ case '0106': $tag = 'PhotometricInterpret'; break;
+ // text string up to 999 bytes long
+ case '010e': $tag = 'ImageDescription'; break;
+ // text string up to 999 bytes long
+ case '010f': $tag = 'Make'; break;
+ // text string up to 999 bytes long
+ case '0110': $tag = 'Model'; break;
+ // integer values 1-9
+ case '0112': $tag = 'Orientation'; break;
+ // integer 0-65535
+ case '0115': $tag = 'SamplePerPixel'; break;
+ // positive rational number
+ case '011a': $tag = 'xResolution'; break;
+ // positive rational number
+ case '011b': $tag = 'yResolution'; break;
+ // integer values 1-2
+ case '011c': $tag = 'PlanarConfig'; break;
+ // integer values 1-3
+ case '0128': $tag = 'ResolutionUnit'; break;
+ // text string up to 999 bytes long
+ case '0131': $tag = 'Software'; break;
+ // YYYY:MM:DD HH:MM:SS
+ case '0132': $tag = 'DateTime'; break;
+ // text string up to 999 bytes long
+ case '013b': $tag = 'Artist'; break;
+ // text string
+ case '013c': $tag = 'HostComputer'; break;
+ // two positive rational numbers
+ case '013e': $tag = 'WhitePoint'; break;
+ // six positive rational numbers
+ case '013f': $tag = 'PrimaryChromaticities'; break;
+ // three positive rational numbers
+ case '0211': $tag = 'YCbCrCoefficients'; break;
+ // integer values 1-2
+ case '0213': $tag = 'YCbCrPositioning'; break;
+ // six positive rational numbers
+ case '0214': $tag = 'ReferenceBlackWhite'; break;
+ // text string up to 999 bytes long
+ case '8298': $tag = 'Copyright'; break;
+ // ??
+ case '8649': $tag = 'PhotoshopSettings'; break;
case '8825': $tag = 'GPSInfoOffset'; break;
- case '8769': $tag = 'ExifOffset'; break; // positive integer
+ // positive integer
+ case '8769': $tag = 'ExifOffset'; break;
// used by Exif SubIFD 'Image Tags'
- case '829a': $tag = 'ExposureTime'; break; // seconds or fraction of seconds 1/x
- case '829d': $tag = 'FNumber'; break; // positive rational number
- case '8822': $tag = 'ExposureProgram'; break; // integer value 1-9
- case '8824': $tag = 'SpectralSensitivity'; break; // ??
- case '8827': $tag = 'ISOSpeedRatings'; break; // integer 0-65535
- case '9000': $tag = 'ExifVersion'; break; // ??
- case '9003': $tag = 'DateTimeOriginal'; break; // YYYY:MM:DD HH:MM:SS
- case '9004': $tag = 'DateTimedigitized'; break; // YYYY:MM:DD HH:MM:SS
- case '9101': $tag = 'ComponentsConfiguration'; break; // ??
- case '9102': $tag = 'CompressedBitsPerPixel'; break; // positive rational number
- case '9201': $tag = 'ShutterSpeedValue'; break; // seconds or fraction of seconds 1/x
- case '9202': $tag = 'ApertureValue'; break; // positive rational number
- case '9203': $tag = 'BrightnessValue'; break; // positive rational number
- case '9204': $tag = 'ExposureBiasValue'; break; // positive rational number (EV)
- case '9205': $tag = 'MaxApertureValue'; break; // positive rational number
- case '9206': $tag = 'SubjectDistance'; break; // positive rational number (meters)
- case '9207': $tag = 'MeteringMode'; break; // integer 1-6 and 255
- case '9208': $tag = 'LightSource'; break; // integer 1-255
- case '9209': $tag = 'Flash'; break; // integer 1-255
- case '920a': $tag = 'FocalLength'; break; // positive rational number (mm)
- case '9213': $tag = 'ImageHistory'; break; // text string up to 999 bytes long
- case '927c': $tag = 'MakerNote'; break; // a bunch of data
- case '9286': $tag = 'UserComment'; break; // text string
- case '9290': $tag = 'SubsecTime'; break; // text string up to 999 bytes long
- case '9291': $tag = 'SubsecTimeOriginal'; break; // text string up to 999 bytes long
- case '9292': $tag = 'SubsecTimeDigitized'; break; // text string up to 999 bytes long
- case 'a000': $tag = 'FlashPixVersion'; break; // ??
- case 'a001': $tag = 'ColorSpace'; break; // values 1 or 65535
- case 'a002': $tag = 'ExifImageWidth'; break; // ingeter 1-65535
- case 'a003': $tag = 'ExifImageHeight'; break; // ingeter 1-65535
- case 'a004': $tag = 'RelatedSoundFile'; break; // text string 12 bytes long
- case 'a005': $tag = 'ExifInteroperabilityOffset'; break; // positive integer
- case 'a20c': $tag = 'SpacialFreqResponse'; break; // ??
- case 'a20b': $tag = 'FlashEnergy'; break; // positive rational number
- case 'a20e': $tag = 'FocalPlaneXResolution'; break; // positive rational number
- case 'a20f': $tag = 'FocalPlaneYResolution'; break; // positive rational number
- case 'a210': $tag = 'FocalPlaneResolutionUnit'; break; // values 1-3
- case 'a214': $tag = 'SubjectLocation'; break; // two integers 0-65535
- case 'a215': $tag = 'ExposureIndex'; break; // positive rational number
- case 'a217': $tag = 'SensingMethod'; break; // values 1-8
- case 'a300': $tag = 'FileSource'; break; // integer
- case 'a301': $tag = 'SceneType'; break; // integer
- case 'a302': $tag = 'CFAPattern'; break; // undefined data type
- case 'a401': $tag = 'CustomerRender'; break; // values 0 or 1
- case 'a402': $tag = 'ExposureMode'; break; // values 0-2
- case 'a403': $tag = 'WhiteBalance'; break; // values 0 or 1
- case 'a404': $tag = 'DigitalZoomRatio'; break; // positive rational number
+ // seconds or fraction of seconds 1/x
+ case '829a': $tag = 'ExposureTime'; break;
+ // positive rational number
+ case '829d': $tag = 'FNumber'; break;
+ // integer value 1-9
+ case '8822': $tag = 'ExposureProgram'; break;
+ // ??
+ case '8824': $tag = 'SpectralSensitivity'; break;
+ // integer 0-65535
+ case '8827': $tag = 'ISOSpeedRatings'; break;
+ // ??
+ case '9000': $tag = 'ExifVersion'; break;
+ // YYYY:MM:DD HH:MM:SS
+ case '9003': $tag = 'DateTimeOriginal'; break;
+ // YYYY:MM:DD HH:MM:SS
+ case '9004': $tag = 'DateTimedigitized'; break;
+ // ??
+ case '9101': $tag = 'ComponentsConfiguration'; break;
+ // positive rational number
+ case '9102': $tag = 'CompressedBitsPerPixel'; break;
+ // seconds or fraction of seconds 1/x
+ case '9201': $tag = 'ShutterSpeedValue'; break;
+ // positive rational number
+ case '9202': $tag = 'ApertureValue'; break;
+ // positive rational number
+ case '9203': $tag = 'BrightnessValue'; break;
+ // positive rational number (EV)
+ case '9204': $tag = 'ExposureBiasValue'; break;
+ // positive rational number
+ case '9205': $tag = 'MaxApertureValue'; break;
+ // positive rational number (meters)
+ case '9206': $tag = 'SubjectDistance'; break;
+ // integer 1-6 and 255
+ case '9207': $tag = 'MeteringMode'; break;
+ // integer 1-255
+ case '9208': $tag = 'LightSource'; break;
+ // integer 1-255
+ case '9209': $tag = 'Flash'; break;
+ // positive rational number (mm)
+ case '920a': $tag = 'FocalLength'; break;
+ // text string up to 999 bytes long
+ case '9213': $tag = 'ImageHistory'; break;
+ // a bunch of data
+ case '927c': $tag = 'MakerNote'; break;
+ // text string
+ case '9286': $tag = 'UserComment'; break;
+ // text string up to 999 bytes long
+ case '9290': $tag = 'SubsecTime'; break;
+ // text string up to 999 bytes long
+ case '9291': $tag = 'SubsecTimeOriginal'; break;
+ // text string up to 999 bytes long
+ case '9292': $tag = 'SubsecTimeDigitized'; break;
+ // ??
+ case 'a000': $tag = 'FlashPixVersion'; break;
+ // values 1 or 65535
+ case 'a001': $tag = 'ColorSpace'; break;
+ // ingeter 1-65535
+ case 'a002': $tag = 'ExifImageWidth'; break;
+ // ingeter 1-65535
+ case 'a003': $tag = 'ExifImageHeight'; break;
+ // text string 12 bytes long
+ case 'a004': $tag = 'RelatedSoundFile'; break;
+ // positive integer
+ case 'a005': $tag = 'ExifInteroperabilityOffset'; break;
+ // ??
+ case 'a20c': $tag = 'SpacialFreqResponse'; break;
+ // positive rational number
+ case 'a20b': $tag = 'FlashEnergy'; break;
+ // positive rational number
+ case 'a20e': $tag = 'FocalPlaneXResolution'; break;
+ // positive rational number
+ case 'a20f': $tag = 'FocalPlaneYResolution'; break;
+ // values 1-3
+ case 'a210': $tag = 'FocalPlaneResolutionUnit'; break;
+ // two integers 0-65535
+ case 'a214': $tag = 'SubjectLocation'; break;
+ // positive rational number
+ case 'a215': $tag = 'ExposureIndex'; break;
+ // values 1-8
+ case 'a217': $tag = 'SensingMethod'; break;
+ // integer
+ case 'a300': $tag = 'FileSource'; break;
+ // integer
+ case 'a301': $tag = 'SceneType'; break;
+ // undefined data type
+ case 'a302': $tag = 'CFAPattern'; break;
+ // values 0 or 1
+ case 'a401': $tag = 'CustomerRender'; break;
+ // values 0-2
+ case 'a402': $tag = 'ExposureMode'; break;
+ // values 0 or 1
+ case 'a403': $tag = 'WhiteBalance'; break;
+ // positive rational number
+ case 'a404': $tag = 'DigitalZoomRatio'; break;
case 'a405': $tag = 'FocalLengthIn35mmFilm';break;
- case 'a406': $tag = 'SceneCaptureMode'; break; // values 0-3
- case 'a407': $tag = 'GainControl'; break; // values 0-4
- case 'a408': $tag = 'Contrast'; break; // values 0-2
- case 'a409': $tag = 'Saturation'; break; // values 0-2
- case 'a40a': $tag = 'Sharpness'; break; // values 0-2
+ // values 0-3
+ case 'a406': $tag = 'SceneCaptureMode'; break;
+ // values 0-4
+ case 'a407': $tag = 'GainControl'; break;
+ // values 0-2
+ case 'a408': $tag = 'Contrast'; break;
+ // values 0-2
+ case 'a409': $tag = 'Saturation'; break;
+ // values 0-2
+ case 'a40a': $tag = 'Sharpness'; break;
// used by Interoperability IFD
- case '0001': $tag = 'InteroperabilityIndex'; break; // text string 3 bytes long
- case '0002': $tag = 'InteroperabilityVersion'; break; // datatype undefined
- case '1000': $tag = 'RelatedImageFileFormat'; break; // text string up to 999 bytes long
- case '1001': $tag = 'RelatedImageWidth'; break; // integer in range 0-65535
- case '1002': $tag = 'RelatedImageLength'; break; // integer in range 0-65535
-
+ // text string 3 bytes long
+ case '0001': $tag = 'InteroperabilityIndex'; break;
+ // datatype undefined
+ case '0002': $tag = 'InteroperabilityVersion'; break;
+ // text string up to 999 bytes long
+ case '1000': $tag = 'RelatedImageFileFormat'; break;
+ // integer in range 0-65535
+ case '1001': $tag = 'RelatedImageWidth'; break;
+ // integer in range 0-65535
+
+ case '1002': $tag = 'RelatedImageLength'; break;
// used by IFD1 'Thumbnail'
- case '0100': $tag = 'ImageWidth'; break; // integer in range 0-65535
- case '0101': $tag = 'ImageLength'; break; // integer in range 0-65535
- case '0102': $tag = 'BitsPerSample'; break; // integers in range 0-65535
- case '0103': $tag = 'Compression'; break; // values 1 or 6
- case '0106': $tag = 'PhotometricInterpretation'; break;// values 0-4
- case '010e': $tag = 'ThumbnailDescription'; break; // text string up to 999 bytes long
- case '010f': $tag = 'ThumbnailMake'; break; // text string up to 999 bytes long
- case '0110': $tag = 'ThumbnailModel'; break; // text string up to 999 bytes long
- case '0111': $tag = 'StripOffsets'; break; // ??
- case '0112': $tag = 'ThumbnailOrientation'; break; // integer 1-9
- case '0115': $tag = 'SamplesPerPixel'; break; // ??
- case '0116': $tag = 'RowsPerStrip'; break; // ??
- case '0117': $tag = 'StripByteCounts'; break; // ??
- case '011a': $tag = 'ThumbnailXResolution'; break; // positive rational number
- case '011b': $tag = 'ThumbnailYResolution'; break; // positive rational number
- case '011c': $tag = 'PlanarConfiguration'; break; // values 1 or 2
- case '0128': $tag = 'ThumbnailResolutionUnit'; break; // values 1-3
+ // integer in range 0-65535
+ case '0100': $tag = 'ImageWidth'; break;
+ // integer in range 0-65535
+ case '0101': $tag = 'ImageLength'; break;
+ // integers in range 0-65535
+ case '0102': $tag = 'BitsPerSample'; break;
+ // values 1 or 6
+ case '0103': $tag = 'Compression'; break;
+ // values 0-4
+ case '0106': $tag = 'PhotometricInterpretation'; break;
+ // text string up to 999 bytes long
+ case '010e': $tag = 'ThumbnailDescription'; break;
+ // text string up to 999 bytes long
+ case '010f': $tag = 'ThumbnailMake'; break;
+ // text string up to 999 bytes long
+ case '0110': $tag = 'ThumbnailModel'; break;
+ // ??
+ case '0111': $tag = 'StripOffsets'; break;
+ // integer 1-9
+ case '0112': $tag = 'ThumbnailOrientation'; break;
+ // ??
+ case '0115': $tag = 'SamplesPerPixel'; break;
+ // ??
+ case '0116': $tag = 'RowsPerStrip'; break;
+ // ??
+ case '0117': $tag = 'StripByteCounts'; break;
+ // positive rational number
+ case '011a': $tag = 'ThumbnailXResolution'; break;
+ // positive rational number
+ case '011b': $tag = 'ThumbnailYResolution'; break;
+ // values 1 or 2
+ case '011c': $tag = 'PlanarConfiguration'; break;
+ // values 1-3
+ case '0128': $tag = 'ThumbnailResolutionUnit'; break;
case '0201': $tag = 'JpegIFOffset'; break;
case '0202': $tag = 'JpegIFByteCount'; break;
case '0212': $tag = 'YCbCrSubSampling'; break;
* @param $data
* @return unknown_type
*/
- static protected function _formatData($type, $tag, $intel, $data)
+ protected function _formatData($type, $tag, $intel, $data)
{
- if ($type == 'ASCII') {
+ switch ($type) {
+ case 'ASCII':
// Search for a null byte and stop there.
if (($pos = strpos($data, chr(0))) !== false) {
$data = substr($data, 0, $pos);
if ($tag == '010f') {
$data = ucwords(strtolower(trim($data)));
}
+ break;
- } elseif ($type == 'URATIONAL' || $type == 'SRATIONAL') {
+ case 'URATIONAL':
+ case 'SRATIONAL':
$data = bin2hex($data);
if ($intel == 1) {
$data = Horde_Image_Exif::intel2Moto($data);
}
if ($intel == 1) {
- $top = hexdec(substr($data,8,8)); // intel stores them bottom-top
+ // intel stores them bottom-top
+ $top = hexdec(substr($data, 8, 8));
} else {
- $top = hexdec(substr($data,0,8)); // motorola stores them top-bottom
+ // motorola stores them top-bottom
+ $top = hexdec(substr($data, 0, 8));
}
if ($intel == 1) {
- $bottom = hexdec(substr($data,0,8)); // intel stores them bottom-top
+ // intel stores them bottom-top
+ $bottom = hexdec(substr($data, 0, 8));
} else {
- $bottom = hexdec(substr($data,8,8)); // motorola stores them top-bottom
+ // motorola stores them top-bottom
+ $bottom = hexdec(substr($data, 8, 8));
}
if ($type == 'SRATIONAL' && $top > 2147483647) {
$data = 0;
}
}
-
- } elseif ($type == 'USHORT' || $type == 'SSHORT' || $type == 'ULONG' ||
- $type == 'SLONG' || $type == 'FLOAT' || $type == 'DOUBLE') {
-
+ break;
+
+ case 'USHORT':
+ case 'SSHORT':
+ case 'ULONG':
+ case 'SLONG':
+ case 'FLOAT':
+ case 'DOUBLE':
$data = bin2hex($data);
if ($intel == 1) {
$data = Horde_Image_Exif::intel2Moto($data);
// this makes the number signed instead of unsigned
$data = $data - 4294967296;
}
- } elseif ($type == 'UNDEFINED') {
+ break;
+
+ case 'UNDEFINED':
// ExifVersion,FlashPixVersion,InteroperabilityVersion
if ($tag == '9000' || $tag == 'a000' || $tag == '0002') {
$data = sprintf(_("version %d"), $data / 100);
}
+ break;
- } else {
+ default:
$data = bin2hex($data);
- if ($intel == 1) $data = Horde_Image_Exif::intel2Moto($data);
+ if ($intel == 1) {
+ $data = Horde_Image_Exif::intel2Moto($data);
+ }
+ break;
}
return $data;
* @param $size
* @return unknown_type
*/
- static protected function _lookupType(&$type, &$size) {
+ protected function _lookupType(&$type, &$size)
+ {
switch ($type) {
- case '0001': $type = 'UBYTE'; $size=1; break;
- case '0002': $type = 'ASCII'; $size=1; break;
- case '0003': $type = 'USHORT'; $size=2; break;
- case '0004': $type = 'ULONG'; $size=4; break;
- case '0005': $type = 'URATIONAL'; $size=8; break;
- case '0006': $type = 'SBYTE'; $size=1; break;
- case '0007': $type = 'UNDEFINED'; $size=1; break;
- case '0008': $type = 'SSHORT'; $size=2; break;
- case '0009': $type = 'SLONG'; $size=4; break;
- case '000a': $type = 'SRATIONAL'; $size=8; break;
- case '000b': $type = 'FLOAT'; $size=4; break;
- case '000c': $type = 'DOUBLE'; $size=8; break;
- default: $type = 'error:'.$type; $size=0; break;
+ case '0001': $type = 'UBYTE'; $size = 1; break;
+ case '0002': $type = 'ASCII'; $size = 1; break;
+ case '0003': $type = 'USHORT'; $size = 2; break;
+ case '0004': $type = 'ULONG'; $size = 4; break;
+ case '0005': $type = 'URATIONAL'; $size = 8; break;
+ case '0006': $type = 'SBYTE'; $size = 1; break;
+ case '0007': $type = 'UNDEFINED'; $size = 1; break;
+ case '0008': $type = 'SSHORT'; $size = 2; break;
+ case '0009': $type = 'SLONG'; $size = 4; break;
+ case '000a': $type = 'SRATIONAL'; $size = 8; break;
+ case '000b': $type = 'FLOAT'; $size = 4; break;
+ case '000c': $type = 'DOUBLE'; $size = 8; break;
+ default: $type = 'error:'.$type; $size = 0; break;
}
return $type;
projects / horde.git / commitdiff