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- #------------------------------------------------------------------------------
- # File: PanasonicRaw.pm
- #
- # Description: Read/write Panasonic/Leica RAW/RW2/RWL meta information
- #
- # Revisions: 2009/03/24 - P. Harvey Created
- # 2009/05/12 - PH Added RWL file type (same format as RW2)
- #
- # References: 1) CPAN forum post by 'hardloaf' (http://www.cpanforum.com/threads/2183)
- # 2) http://www.cybercom.net/~dcoffin/dcraw/
- # 3) http://syscall.eu/#pana
- # 4) Iliah Borg private communication (LibRaw)
- # JD) Jens Duttke private communication (TZ3,FZ30,FZ50)
- #------------------------------------------------------------------------------
- package Image::ExifTool::PanasonicRaw;
- use strict;
- use vars qw($VERSION);
- use Image::ExifTool qw(:DataAccess :Utils);
- use Image::ExifTool::Exif;
- $VERSION = '1.09';
- sub ProcessJpgFromRaw($$$);
- sub WriteJpgFromRaw($$$);
- sub WriteDistortionInfo($$$);
- sub ProcessDistortionInfo($$$);
- my %jpgFromRawMap = (
- IFD1 => 'IFD0',
- EXIF => 'IFD0', # to write EXIF as a block
- ExifIFD => 'IFD0',
- GPS => 'IFD0',
- SubIFD => 'IFD0',
- GlobParamIFD => 'IFD0',
- PrintIM => 'IFD0',
- InteropIFD => 'ExifIFD',
- MakerNotes => 'ExifIFD',
- IFD0 => 'APP1',
- MakerNotes => 'ExifIFD',
- Comment => 'COM',
- );
- my %wbTypeInfo = (
- PrintConv => \%Image::ExifTool::Exif::lightSource,
- SeparateTable => 'EXIF LightSource',
- );
- # Tags found in Panasonic RAW/RW2/RWL images (ref PH)
- %Image::ExifTool::PanasonicRaw::Main = (
- GROUPS => { 0 => 'EXIF', 1 => 'IFD0', 2 => 'Image'},
- WRITE_PROC => \&Image::ExifTool::Exif::WriteExif,
- CHECK_PROC => \&Image::ExifTool::Exif::CheckExif,
- WRITE_GROUP => 'IFD0', # default write group
- NOTES => 'These tags are found in IFD0 of Panasonic/Leica RAW, RW2 and RWL images.',
- 0x01 => {
- Name => 'PanasonicRawVersion',
- Writable => 'undef',
- },
- 0x02 => 'SensorWidth', #1/PH
- 0x03 => 'SensorHeight', #1/PH
- 0x04 => 'SensorTopBorder', #JD
- 0x05 => 'SensorLeftBorder', #JD
- 0x06 => 'SensorBottomBorder', #PH
- 0x07 => 'SensorRightBorder', #PH
- # observed values for unknown tags - PH
- # 0x08: 1
- # 0x09: 1,3,4
- # 0x0a: 12
- 0x08 => { #4
- Name => 'BlackLevel1',
- Writable => 'int16u',
- Notes => q{
- summing BlackLevel1+2+3 values gives the common bias that must be added to
- the BlackLevelRed/Green/Blue tags below
- },
- },
- 0x09 => { Name => 'BlackLevel2', Writable => 'int16u' }, #4
- 0x0a => { Name => 'BlackLevel3', Writable => 'int16u' }, #4
- # 0x0b: 0x860c,0x880a,0x880c
- # 0x0c: 2 (only Leica Digilux 2)
- # 0x0d: 0,1
- # 0x0e,0x0f,0x10: 4095
- 0x0e => { Name => 'LinearityLimitRed', Writable => 'int16u' }, #4
- 0x0f => { Name => 'LinearityLimitGreen', Writable => 'int16u' }, #4
- 0x10 => { Name => 'LinearityLimitBlue', Writable => 'int16u' }, #4
- 0x11 => { #JD
- Name => 'RedBalance',
- Writable => 'int16u',
- ValueConv => '$val / 256',
- ValueConvInv => 'int($val * 256 + 0.5)',
- Notes => 'found in Digilux 2 RAW images',
- },
- 0x12 => { #JD
- Name => 'BlueBalance',
- Writable => 'int16u',
- ValueConv => '$val / 256',
- ValueConvInv => 'int($val * 256 + 0.5)',
- },
- 0x13 => { #4
- Name => 'WBInfo',
- SubDirectory => { TagTable => 'Image::ExifTool::PanasonicRaw::WBInfo' },
- },
- 0x17 => { #1
- Name => 'ISO',
- Writable => 'int16u',
- },
- # 0x18,0x19,0x1a: 0
- 0x18 => { #4
- Name => 'HighISOMultiplierRed',
- Writable => 'int16u',
- ValueConv => '$val / 256',
- ValueConvInv => 'int($val * 256 + 0.5)',
- },
- 0x19 => { #4
- Name => 'HighISOMultiplierGreen',
- Writable => 'int16u',
- ValueConv => '$val / 256',
- ValueConvInv => 'int($val * 256 + 0.5)',
- },
- 0x1a => { #4
- Name => 'HighISOMultiplierBlue',
- Writable => 'int16u',
- ValueConv => '$val / 256',
- ValueConvInv => 'int($val * 256 + 0.5)',
- },
- # 0x1b: [binary data] (something to do with the camera ISO cababilities: int16u count N,
- # followed by table of N entries: int16u ISO, int16u[3] RGB gains - ref 4)
- 0x1c => { Name => 'BlackLevelRed', Writable => 'int16u' }, #4
- 0x1d => { Name => 'BlackLevelGreen', Writable => 'int16u' }, #4
- 0x1e => { Name => 'BlackLevelBlue', Writable => 'int16u' }, #4
- 0x24 => { #2
- Name => 'WBRedLevel',
- Writable => 'int16u',
- },
- 0x25 => { #2
- Name => 'WBGreenLevel',
- Writable => 'int16u',
- },
- 0x26 => { #2
- Name => 'WBBlueLevel',
- Writable => 'int16u',
- },
- 0x27 => { #4
- Name => 'WBInfo2',
- SubDirectory => { TagTable => 'Image::ExifTool::PanasonicRaw::WBInfo2' },
- },
- # 0x27,0x29,0x2a,0x2b,0x2c: [binary data]
- # 0x2d: 2,3
- 0x2e => { #JD
- Name => 'JpgFromRaw', # (writable directory!)
- Groups => { 2 => 'Preview' },
- Writable => 'undef',
- # protect this tag because it contains all the metadata
- Flags => [ 'Binary', 'Protected', 'NestedHtmlDump', 'BlockExtract' ],
- Notes => 'processed as an embedded document because it contains full EXIF',
- WriteCheck => '$val eq "none" ? undef : $self->CheckImage(\$val)',
- DataTag => 'JpgFromRaw',
- RawConv => '$self->ValidateImage(\$val,$tag)',
- SubDirectory => {
- # extract information from embedded image since it is metadata-rich,
- # unless HtmlDump option set (note that the offsets will be relative,
- # not absolute like they should be in verbose mode)
- TagTable => 'Image::ExifTool::JPEG::Main',
- WriteProc => \&WriteJpgFromRaw,
- ProcessProc => \&ProcessJpgFromRaw,
- },
- },
- 0x2f => { Name => 'CropTop', Writable => 'int16u' },
- 0x30 => { Name => 'CropLeft', Writable => 'int16u' },
- 0x31 => { Name => 'CropBottom', Writable => 'int16u' },
- 0x32 => { Name => 'CropRight', Writable => 'int16u' },
- 0x10f => {
- Name => 'Make',
- Groups => { 2 => 'Camera' },
- Writable => 'string',
- DataMember => 'Make',
- # save this value as an ExifTool member variable
- RawConv => '$self->{Make} = $val',
- },
- 0x110 => {
- Name => 'Model',
- Description => 'Camera Model Name',
- Groups => { 2 => 'Camera' },
- Writable => 'string',
- DataMember => 'Model',
- # save this value as an ExifTool member variable
- RawConv => '$self->{Model} = $val',
- },
- 0x111 => {
- Name => 'StripOffsets',
- # (this value is 0xffffffff for some models, and RawDataOffset must be used)
- Flags => [ 'IsOffset', 'PanasonicHack' ],
- OffsetPair => 0x117, # point to associated byte counts
- ValueConv => 'length($val) > 32 ? \$val : $val',
- },
- 0x112 => {
- Name => 'Orientation',
- Writable => 'int16u',
- PrintConv => \%Image::ExifTool::Exif::orientation,
- Priority => 0, # so IFD1 doesn't take precedence
- },
- 0x116 => {
- Name => 'RowsPerStrip',
- Priority => 0,
- },
- 0x117 => {
- Name => 'StripByteCounts',
- # (note that this value may represent something like uncompressed byte count
- # for RAW/RW2/RWL images from some models, and is zero for some other models)
- OffsetPair => 0x111, # point to associated offset
- ValueConv => 'length($val) > 32 ? \$val : $val',
- },
- 0x118 => {
- Name => 'RawDataOffset', #PH (RW2/RWL)
- IsOffset => '$$et{TIFF_TYPE} =~ /^(RW2|RWL)$/', # (invalid in DNG-converted files)
- PanasonicHack => 1,
- OffsetPair => 0x117, # (use StripByteCounts as the offset pair)
- },
- 0x119 => {
- Name => 'DistortionInfo',
- SubDirectory => { TagTable => 'Image::ExifTool::PanasonicRaw::DistortionInfo' },
- },
- # 0x11b - chromatic aberration correction (ref 3)
- 0x2bc => { # PH Extension!!
- Name => 'ApplicationNotes', # (writable directory!)
- Writable => 'int8u',
- Format => 'undef',
- Flags => [ 'Binary', 'Protected' ],
- SubDirectory => {
- DirName => 'XMP',
- TagTable => 'Image::ExifTool::XMP::Main',
- },
- },
- 0x83bb => { # PH Extension!!
- Name => 'IPTC-NAA', # (writable directory!)
- Format => 'undef', # convert binary values as undef
- Writable => 'int32u', # but write int32u format code in IFD
- WriteGroup => 'IFD0',
- Flags => [ 'Binary', 'Protected' ],
- SubDirectory => {
- DirName => 'IPTC',
- TagTable => 'Image::ExifTool::IPTC::Main',
- },
- },
- 0x8769 => {
- Name => 'ExifOffset',
- Groups => { 1 => 'ExifIFD' },
- Flags => 'SubIFD',
- SubDirectory => {
- TagTable => 'Image::ExifTool::Exif::Main',
- DirName => 'ExifIFD',
- Start => '$val',
- },
- },
- 0x8825 => {
- Name => 'GPSInfo',
- Groups => { 1 => 'GPS' },
- Flags => 'SubIFD',
- SubDirectory => {
- DirName => 'GPS',
- TagTable => 'Image::ExifTool::GPS::Main',
- Start => '$val',
- },
- },
- # 0xffff => 'DCSHueShiftValues', #exifprobe (NC)
- );
- # white balance information (ref 4)
- # (PanasonicRawVersion<200: Digilux 2)
- %Image::ExifTool::PanasonicRaw::WBInfo = (
- PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
- WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
- CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
- WRITABLE => 1,
- FORMAT => 'int16u',
- FIRST_ENTRY => 0,
- 0 => 'NumWBEntries',
- 1 => { Name => 'WBType1', %wbTypeInfo },
- 2 => { Name => 'WB_RBLevels1', Format => 'int16u[2]' },
- 4 => { Name => 'WBType2', %wbTypeInfo },
- 5 => { Name => 'WB_RBLevels2', Format => 'int16u[2]' },
- 7 => { Name => 'WBType3', %wbTypeInfo },
- 8 => { Name => 'WB_RBLevels3', Format => 'int16u[2]' },
- 10 => { Name => 'WBType4', %wbTypeInfo },
- 11 => { Name => 'WB_RBLevels4', Format => 'int16u[2]' },
- 13 => { Name => 'WBType5', %wbTypeInfo },
- 14 => { Name => 'WB_RBLevels5', Format => 'int16u[2]' },
- 16 => { Name => 'WBType6', %wbTypeInfo },
- 17 => { Name => 'WB_RBLevels6', Format => 'int16u[2]' },
- 19 => { Name => 'WBType7', %wbTypeInfo },
- 20 => { Name => 'WB_RBLevels7', Format => 'int16u[2]' },
- );
- # white balance information (ref 4)
- # (PanasonicRawVersion>=200: D-Lux2, D-Lux3, DMC-FZ18/FZ30/LX1/L10)
- %Image::ExifTool::PanasonicRaw::WBInfo2 = (
- PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
- WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
- CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
- WRITABLE => 1,
- FORMAT => 'int16u',
- FIRST_ENTRY => 0,
- 0 => 'NumWBEntries',
- 1 => { Name => 'WBType1', %wbTypeInfo },
- 2 => { Name => 'WB_RGBLevels1', Format => 'int16u[3]' },
- 5 => { Name => 'WBType2', %wbTypeInfo },
- 6 => { Name => 'WB_RGBLevels2', Format => 'int16u[3]' },
- 9 => { Name => 'WBType3', %wbTypeInfo },
- 10 => { Name => 'WB_RGBLevels3', Format => 'int16u[3]' },
- 13 => { Name => 'WBType4', %wbTypeInfo },
- 14 => { Name => 'WB_RGBLevels4', Format => 'int16u[3]' },
- 17 => { Name => 'WBType5', %wbTypeInfo },
- 18 => { Name => 'WB_RGBLevels5', Format => 'int16u[3]' },
- 21 => { Name => 'WBType6', %wbTypeInfo },
- 22 => { Name => 'WB_RGBLevels6', Format => 'int16u[3]' },
- 25 => { Name => 'WBType7', %wbTypeInfo },
- 26 => { Name => 'WB_RGBLevels7', Format => 'int16u[3]' },
- );
- # lens distortion information (ref 3)
- # (distortion correction equation: Ru = scale*(Rd + a*Rd^3 + b*Rd^5 + c*Rd^7), ref 3)
- %Image::ExifTool::PanasonicRaw::DistortionInfo = (
- PROCESS_PROC => \&ProcessDistortionInfo,
- WRITE_PROC => \&WriteDistortionInfo,
- CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
- # (don't make this family 0 MakerNotes because we don't want it to be a deletable group)
- GROUPS => { 0 => 'PanasonicRaw', 1 => 'PanasonicRaw', 2 => 'Image'},
- WRITABLE => 1,
- FORMAT => 'int16s',
- FIRST_ENTRY => 0,
- NOTES => 'Lens distortion correction information.',
- # 0,1 - checksums
- 2 => {
- Name => 'DistortionParam02',
- ValueConv => '$val / 32768',
- ValueConvInv => '$val * 32768',
- },
- # 3 - usually 0, but seen 0x026b when value 5 is non-zero
- 4 => {
- Name => 'DistortionParam04',
- ValueConv => '$val / 32768',
- ValueConvInv => '$val * 32768',
- },
- 5 => {
- Name => 'DistortionScale',
- ValueConv => '1 / (1 + $val/32768)',
- ValueConvInv => '(1/$val - 1) * 32768',
- },
- # 6 - seen 0x0000-0x027f
- 7.1 => {
- Name => 'DistortionCorrection',
- Mask => 0x0f,
- # (have seen the upper 4 bits set for GF5 and GX1, giving a value of -4095 - PH)
- PrintConv => { 0 => 'Off', 1 => 'On' },
- },
- 8 => {
- Name => 'DistortionParam08',
- ValueConv => '$val / 32768',
- ValueConvInv => '$val * 32768',
- },
- 9 => {
- Name => 'DistortionParam09',
- ValueConv => '$val / 32768',
- ValueConvInv => '$val * 32768',
- },
- # 10 - seen 0xfc,0x0101,0x01f4,0x021d,0x0256
- 11 => {
- Name => 'DistortionParam11',
- ValueConv => '$val / 32768',
- ValueConvInv => '$val * 32768',
- },
- 12 => {
- Name => 'DistortionN',
- Unknown => 1,
- },
- # 13 - seen 0x0000,0x01f9-0x02b2
- # 14,15 - checksums
- );
- # PanasonicRaw composite tags
- %Image::ExifTool::PanasonicRaw::Composite = (
- ImageWidth => {
- Require => {
- 0 => 'IFD0:SensorLeftBorder',
- 1 => 'IFD0:SensorRightBorder',
- },
- ValueConv => '$val[1] - $val[0]',
- },
- ImageHeight => {
- Require => {
- 0 => 'IFD0:SensorTopBorder',
- 1 => 'IFD0:SensorBottomBorder',
- },
- ValueConv => '$val[1] - $val[0]',
- },
- );
- # add our composite tags
- Image::ExifTool::AddCompositeTags('Image::ExifTool::PanasonicRaw');
- #------------------------------------------------------------------------------
- # checksum algorithm for lens distortion correction information (ref 3)
- # Inputs: 0) data ref, 1) start position, 2) number of bytes, 3) incement
- # Returns: checksum value
- sub Checksum($$$$)
- {
- my ($dataPt, $start, $num, $inc) = @_;
- my $csum = 0;
- my $i;
- for ($i=0; $i<$num; ++$i) {
- $csum = (73 * $csum + Get8u($dataPt, $start + $i * $inc)) % 0xffef;
- }
- return $csum;
- }
- #------------------------------------------------------------------------------
- # Read lens distortion information
- # Inputs: 0) ExifTool ref, 1) dirInfo ref, 2) tag table ref
- # Returns: 1 on success
- sub ProcessDistortionInfo($$$)
- {
- my ($et, $dirInfo, $tagTablePtr) = @_;
- my $dataPt = $$dirInfo{DataPt};
- my $start = $$dirInfo{DirStart} || 0;
- my $size = $$dirInfo{DataLen} || (length($$dataPt) - $start);
- if ($size == 32) {
- # verify the checksums (ref 3)
- my $csum1 = Checksum($dataPt, $start + 4, 12, 1);
- my $csum2 = Checksum($dataPt, $start + 16, 12, 1);
- my $csum3 = Checksum($dataPt, $start + 2, 14, 2);
- my $csum4 = Checksum($dataPt, $start + 3, 14, 2);
- my $res = $csum1 ^ Get16u($dataPt, $start + 2) ^
- $csum2 ^ Get16u($dataPt, $start + 28) ^
- $csum3 ^ Get16u($dataPt, $start + 0) ^
- $csum4 ^ Get16u($dataPt, $start + 30);
- $et->Warn('Invalid DistortionInfo checksum',1) if $res;
- } else {
- $et->Warn('Invalid DistortionInfo',1);
- }
- return $et->ProcessBinaryData($dirInfo, $tagTablePtr);
- }
- #------------------------------------------------------------------------------
- # Write lens distortion information
- # Inputs: 0) ExifTool ref, 1) dirInfo ref, 2) tag table ref
- # Returns: updated distortion information or undef on error
- sub WriteDistortionInfo($$$)
- {
- my ($et, $dirInfo, $tagTablePtr) = @_;
- $et or return 1; # (allow dummy access)
- my $dat = $et->WriteBinaryData($dirInfo, $tagTablePtr);
- if (defined $dat and length($dat) == 32) {
- # fix checksums (ref 3)
- Set16u(Checksum(\$dat, 4, 12, 1), \$dat, 2);
- Set16u(Checksum(\$dat, 16, 12, 1), \$dat, 28);
- Set16u(Checksum(\$dat, 2, 14, 2), \$dat, 0);
- Set16u(Checksum(\$dat, 3, 14, 2), \$dat, 30);
- } else {
- $et->Warn('Error wriing DistortionInfo',1);
- }
- return $dat;
- }
- #------------------------------------------------------------------------------
- # Patch for writing non-standard Panasonic RAW/RW2/RWL raw data
- # Inputs: 0) offset info ref, 1) raf ref, 2) IFD number
- # Returns: error string, or undef on success
- # OffsetInfo is a hash by tag ID of lists with the following elements:
- # 0 - tag info ref
- # 1 - pointer to int32u offset in IFD or value data
- # 2 - value count
- # 3 - reference to list of original offset values
- # 4 - IFD format number
- sub PatchRawDataOffset($$$)
- {
- my ($offsetInfo, $raf, $ifd) = @_;
- my $stripOffsets = $$offsetInfo{0x111};
- my $stripByteCounts = $$offsetInfo{0x117};
- my $rawDataOffset = $$offsetInfo{0x118};
- my $err;
- $err = 1 unless $ifd == 0;
- $err = 1 unless $stripOffsets and $stripByteCounts and $$stripOffsets[2] == 1;
- if ($rawDataOffset) {
- $err = 1 unless $$rawDataOffset[2] == 1;
- $err = 1 unless $$stripOffsets[3][0] == 0xffffffff or $$stripByteCounts[3][0] == 0;
- }
- $err and return 'Unsupported Panasonic/Leica RAW variant';
- if ($rawDataOffset) {
- # update StripOffsets along with this tag if it contains a reasonable value
- unless ($$stripOffsets[3][0] == 0xffffffff) {
- # save pointer to StripOffsets value for updating later
- push @$rawDataOffset, $$stripOffsets[1];
- }
- # handle via RawDataOffset instead of StripOffsets
- $stripOffsets = $$offsetInfo{0x111} = $rawDataOffset;
- delete $$offsetInfo{0x118};
- }
- # determine the length of the raw data
- my $pos = $raf->Tell();
- $raf->Seek(0, 2) or $err = 1; # seek to end of file
- my $len = $raf->Tell() - $$stripOffsets[3][0];
- $raf->Seek($pos, 0);
- # quick check to be sure the raw data length isn't unreasonable
- # (the 22-byte length is for '<Dummy raw image data>' in our tests)
- $err = 1 if ($len < 1000 and $len != 22) or $len & 0x80000000;
- $err and return 'Error reading Panasonic raw data';
- # update StripByteCounts info with raw data length
- # (note that the original value is maintained in the file)
- $$stripByteCounts[3][0] = $len;
- return undef;
- }
- #------------------------------------------------------------------------------
- # Write meta information to Panasonic JpgFromRaw in RAW/RW2/RWL image
- # Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) tag table ref
- # Returns: updated image data, or undef if nothing changed
- sub WriteJpgFromRaw($$$)
- {
- my ($et, $dirInfo, $tagTablePtr) = @_;
- my $dataPt = $$dirInfo{DataPt};
- my $byteOrder = GetByteOrder();
- my $fileType = $$et{FILE_TYPE}; # RAW, RW2 or RWL
- my $dirStart = $$dirInfo{DirStart};
- if ($dirStart) { # DirStart is non-zero in DNG-converted RW2/RWL
- my $dirLen = $$dirInfo{DirLen} | length($$dataPt) - $dirStart;
- my $buff = substr($$dataPt, $dirStart, $dirLen);
- $dataPt = \$buff;
- }
- my $raf = new File::RandomAccess($dataPt);
- my $outbuff;
- my %dirInfo = (
- RAF => $raf,
- OutFile => \$outbuff,
- );
- $$et{BASE} = $$dirInfo{DataPos};
- $$et{FILE_TYPE} = $$et{TIFF_TYPE} = 'JPEG';
- # use a specialized map so we don't write XMP or IPTC (or other junk) into the JPEG
- my $editDirs = $$et{EDIT_DIRS};
- my $addDirs = $$et{ADD_DIRS};
- $et->InitWriteDirs(\%jpgFromRawMap);
- # don't add XMP segment (IPTC won't get added because it is in Photoshop record)
- delete $$et{ADD_DIRS}{XMP};
- my $result = $et->WriteJPEG(\%dirInfo);
- # restore variables we changed
- $$et{BASE} = 0;
- $$et{FILE_TYPE} = 'TIFF';
- $$et{TIFF_TYPE} = $fileType;
- $$et{EDIT_DIRS} = $editDirs;
- $$et{ADD_DIRS} = $addDirs;
- SetByteOrder($byteOrder);
- return $result > 0 ? $outbuff : $$dataPt;
- }
- #------------------------------------------------------------------------------
- # Extract meta information from an Panasonic JpgFromRaw
- # Inputs: 0) ExifTool object reference, 1) dirInfo reference
- # Returns: 1 on success, 0 if this wasn't a valid JpgFromRaw image
- sub ProcessJpgFromRaw($$$)
- {
- my ($et, $dirInfo, $tagTablePtr) = @_;
- my $dataPt = $$dirInfo{DataPt};
- my $byteOrder = GetByteOrder();
- my $fileType = $$et{FILE_TYPE}; # RAW, RW2 or RWL
- my $tagInfo = $$dirInfo{TagInfo};
- my $verbose = $et->Options('Verbose');
- my ($indent, $out);
- $tagInfo or $et->Warn('No tag info for Panasonic JpgFromRaw'), return 0;
- my $dirStart = $$dirInfo{DirStart};
- if ($dirStart) { # DirStart is non-zero in DNG-converted RW2/RWL
- my $dirLen = $$dirInfo{DirLen} | length($$dataPt) - $dirStart;
- my $buff = substr($$dataPt, $dirStart, $dirLen);
- $dataPt = \$buff;
- }
- $$et{BASE} = $$dirInfo{DataPos} + ($dirStart || 0);
- $$et{FILE_TYPE} = $$et{TIFF_TYPE} = 'JPEG';
- $$et{DOC_NUM} = 1;
- # extract information from embedded JPEG
- my %dirInfo = (
- Parent => 'RAF',
- RAF => new File::RandomAccess($dataPt),
- );
- if ($verbose) {
- my $indent = $$et{INDENT};
- $$et{INDENT} = ' ';
- $out = $et->Options('TextOut');
- print $out '--- DOC1:JpgFromRaw ',('-'x56),"\n";
- }
- my $rtnVal = $et->ProcessJPEG(\%dirInfo);
- # restore necessary variables for continued RW2/RWL processing
- $$et{BASE} = 0;
- $$et{FILE_TYPE} = 'TIFF';
- $$et{TIFF_TYPE} = $fileType;
- delete $$et{DOC_NUM};
- SetByteOrder($byteOrder);
- if ($verbose) {
- $$et{INDENT} = $indent;
- print $out ('-'x76),"\n";
- }
- return $rtnVal;
- }
- 1; # end
- __END__
- =head1 NAME
- Image::ExifTool::PanasonicRaw - Read/write Panasonic/Leica RAW/RW2/RWL meta information
- =head1 SYNOPSIS
- This module is loaded automatically by Image::ExifTool when required.
- =head1 DESCRIPTION
- This module contains definitions required by Image::ExifTool to read and
- write meta information in Panasonic/Leica RAW, RW2 and RWL images.
- =head1 AUTHOR
- Copyright 2003-2016, Phil Harvey (phil at owl.phy.queensu.ca)
- This library is free software; you can redistribute it and/or modify it
- under the same terms as Perl itself.
- =head1 REFERENCES
- =over 4
- =item L<http://www.cybercom.net/~dcoffin/dcraw/>
- =back
- =head1 SEE ALSO
- L<Image::ExifTool::TagNames/PanasonicRaw Tags>,
- L<Image::ExifTool(3pm)|Image::ExifTool>
- =cut
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