#------------------------------------------------------------------------------
# File: NikonCapture.pm
#
# Description: Read/write Nikon Capture information
#
# Revisions: 11/08/2005 - P. Harvey Created
# 10/10/2008 - P. Harvey Updated for Capture NX 2
# 16/04/2011 - P. Harvey Decode NikonCaptureEditVersions
#
# References: 1) http://www.cybercom.net/~dcoffin/dcraw/
# 2) Iliah Borg private communication (LibRaw)
#------------------------------------------------------------------------------
package Image::ExifTool::NikonCapture;
use strict;
use vars qw($VERSION);
use Image::ExifTool qw(:DataAccess :Utils);
use Image::ExifTool::Exif;
$VERSION = '1.13';
sub ProcessNikonCapture($$$);
# common print conversions
my %offOn = ( 0 => 'Off', 1 => 'On' );
my %noYes = ( 0 => 'No', 1 => 'Yes' );
my %unsharpColor = (
0 => 'RGB',
1 => 'Red',
2 => 'Green',
3 => 'Blue',
4 => 'Yellow',
5 => 'Magenta',
6 => 'Cyan',
);
# Nikon Capture data (ref PH)
%Image::ExifTool::NikonCapture::Main = (
PROCESS_PROC => \&ProcessNikonCapture,
WRITE_PROC => \&WriteNikonCapture,
CHECK_PROC => \&Image::ExifTool::Exif::CheckExif,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
NOTES => q{
This information is written by the Nikon Capture software in tag 0x0e01 of
the maker notes of NEF images.
},
# 0x007ddc9d contains contrast information
0x008ae85e => {
Name => 'LCHEditor',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x0c89224b => {
Name => 'ColorAberrationControl',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x116fea21 => {
Name => 'HighlightData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::HighlightData',
},
},
0x2175eb78 => {
Name => 'D-LightingHQ',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x2fc08431 => {
Name => 'StraightenAngle',
Writable => 'double',
},
0x374233e0 => {
Name => 'CropData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::CropData',
},
},
0x39c456ac => {
Name => 'PictureCtrl',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::PictureCtrl',
},
},
0x3cfc73c6 => {
Name => 'RedEyeData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::RedEyeData',
},
},
0x3d136244 => {
Name => 'EditVersionName',
Writable => 'string', # (null terminated)
},
# 0x3e726567 added when I rotated by 90 degrees
0x416391c6 => {
Name => 'QuickFix',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x56a54260 => {
Name => 'Exposure',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::Exposure',
},
},
0x5f0e7d23 => {
Name => 'ColorBooster',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x6a6e36b6 => {
Name => 'D-LightingHQSelected',
Writable => 'int8u',
PrintConv => \%noYes,
},
0x753dcbc0 => {
Name => 'NoiseReduction',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43200 => {
Name => 'UnsharpMask',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43201 => {
Name => 'Curves',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43202 => {
Name => 'ColorBalanceAdj',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43203 => {
Name => 'AdvancedRaw',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43204 => {
Name => 'WhiteBalanceAdj',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43205 => {
Name => 'VignetteControl',
Writable => 'int8u',
PrintConv => \%offOn,
},
0x76a43206 => {
Name => 'FlipHorizontal',
Writable => 'int8u',
PrintConv => \%noYes,
},
0x76a43207 => { # rotation angle in degrees
Name => 'Rotation',
Writable => 'int16u',
},
0x083a1a25 => {
Name => 'HistogramXML',
Writable => 'undef',
Binary => 1,
AdjustSize => 4, # patch Nikon bug
},
0x84589434 => {
Name => 'BrightnessData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::Brightness',
},
},
# 0x88f55e48 - related to QuickFix
0x890ff591 => {
Name => 'D-LightingHQData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::DLightingHQ',
},
},
0x926f13e0 => {
Name => 'NoiseReductionData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::NoiseReduction',
},
},
0x9ef5f6e0 => {
Name => 'IPTCData',
SubDirectory => {
TagTable => 'Image::ExifTool::IPTC::Main',
},
},
# 0xa7264a72 - related to QuickFix
0xab5eca5e => {
Name => 'PhotoEffects',
Writable => 'int8u',
PrintConv => \%offOn,
},
0xac6bd5c0 => {
Name => 'VignetteControlIntensity',
Writable => 'int16s',
},
0xb0384e1e => {
Name => 'PhotoEffectsData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::PhotoEffects',
},
},
0xb999a36f => {
Name => 'ColorBoostData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::ColorBoost',
},
},
0xbf3c6c20 => {
Name => 'WBAdjData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::WBAdjData',
},
},
0xce5554aa => {
Name => 'D-LightingHS',
Writable => 'int8u',
PrintConv => \%offOn,
},
0xe2173c47 => {
Name => 'PictureControl',
Writable => 'int8u',
PrintConv => \%offOn,
},
0xe37b4337 => {
Name => 'D-LightingHSData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::DLightingHS',
},
},
0xe42b5161 => {
Name => 'UnsharpData',
SubDirectory => {
TagTable => 'Image::ExifTool::NikonCapture::UnsharpData',
},
},
0xe9651831 => {
Name => 'PhotoEffectHistoryXML',
Binary => 1,
Writable => 'undef',
},
0xfe28a44f => {
Name => 'AutoRedEye',
Writable => 'int8u',
PrintConv => \%offOn, # (have seen a value of 28 here for older software?)
},
0xfe443a45 => {
Name => 'ImageDustOff',
Writable => 'int8u',
PrintConv => \%offOn,
},
);
%Image::ExifTool::NikonCapture::UnsharpData = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => 'UnsharpCount',
19 => { Name => 'Unsharp1Color', Format => 'int16u', PrintConv => \%unsharpColor },
23 => { Name => 'Unsharp1Intensity', Format => 'int16u' },
25 => { Name => 'Unsharp1HaloWidth', Format => 'int16u' },
27 => 'Unsharp1Threshold',
46 => { Name => 'Unsharp2Color', Format => 'int16u', PrintConv => \%unsharpColor },
50 => { Name => 'Unsharp2Intensity', Format => 'int16u' },
52 => { Name => 'Unsharp2HaloWidth', Format => 'int16u' },
54 => 'Unsharp2Threshold',
73 => { Name => 'Unsharp3Color', Format => 'int16u', PrintConv => \%unsharpColor },
77 => { Name => 'Unsharp3Intensity', Format => 'int16u' },
79 => { Name => 'Unsharp3HaloWidth', Format => 'int16u' },
81 => 'Unsharp3Threshold',
100 => { Name => 'Unsharp4Color', Format => 'int16u', PrintConv => \%unsharpColor },
104 => { Name => 'Unsharp4Intensity', Format => 'int16u' },
106 => { Name => 'Unsharp4HaloWidth', Format => 'int16u' },
108 => 'Unsharp4Threshold',
# there could be more, but I grow bored of this... :P
);
%Image::ExifTool::NikonCapture::DLightingHS = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int32u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => 'D-LightingHSAdjustment',
1 => 'D-LightingHSColorBoost',
);
%Image::ExifTool::NikonCapture::DLightingHQ = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int32u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => 'D-LightingHQShadow',
1 => 'D-LightingHQHighlight',
2 => 'D-LightingHQColorBoost',
);
%Image::ExifTool::NikonCapture::ColorBoost = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => {
Name => 'ColorBoostType',
PrintConv => {
0 => 'Nature',
1 => 'People',
},
},
1 => {
Name => 'ColorBoostLevel',
Format => 'int32u',
},
);
%Image::ExifTool::NikonCapture::WBAdjData = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0x00 => {
Name => 'WBAdjRedBalance',
Format => 'double',
},
0x08 => {
Name => 'WBAdjBlueBalance',
Format => 'double',
},
0x10 => {
Name => 'WBAdjMode',
PrintConv => {
1 => 'Use Gray Point',
2 => 'Recorded Value',
3 => 'Use Temperature',
4 => 'Calculate Automatically',
5 => 'Auto2', #2
6 => 'Underwater', #2
7 => 'Auto1',
},
},
0x14 => { #2
Name => 'WBAdjLighting',
Format => 'int16u',
PrintHex => 1,
PrintConv => {
0x000 => 'None',
0x100 => 'Incandescent',
0x200 => 'Daylight (direct sunlight)',
0x201 => 'Daylight (shade)',
0x202 => 'Daylight (cloudy)',
0x300 => 'Standard Fluorescent (warm white)',
0x301 => 'Standard Fluorescent (3700K)',
0x302 => 'Standard Fluorescent (cool white)',
0x303 => 'Standard Fluorescent (5000K)',
0x304 => 'Standard Fluorescent (daylight)',
0x305 => 'Standard Fluorescent (high temperature mercury vapor)',
0x400 => 'High Color Rendering Fluorescent (warm white)',
0x401 => 'High Color Rendering Fluorescent (3700K)',
0x402 => 'High Color Rendering Fluorescent (cool white)',
0x403 => 'High Color Rendering Fluorescent (5000K)',
0x404 => 'High Color Rendering Fluorescent (daylight)',
0x500 => 'Flash',
0x501 => 'Flash (FL-G1 filter)',
0x502 => 'Flash (FL-G2 filter)',
0x503 => 'Flash (TN-A1 filter)',
0x504 => 'Flash (TN-A2 filter)',
0x600 => 'Sodium Vapor Lamps',
# 0x1002 => seen for WBAdjMode modes of Underwater and Calculate Automatically
},
},
0x18 => {
Name => 'WBAdjTemperature',
Format => 'int16u',
},
0x25 => {
Name => 'WBAdjTint',
Format => 'int32s',
},
);
%Image::ExifTool::NikonCapture::PhotoEffects = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => {
Name => 'PhotoEffectsType',
PrintConv => {
0 => 'None',
1 => 'B&W',
2 => 'Sepia',
3 => 'Tinted',
},
},
4 => {
Name => 'PhotoEffectsRed',
Format => 'int16s',
},
6 => {
Name => 'PhotoEffectsGreen',
Format => 'int16s',
},
8 => {
Name => 'PhotoEffectsBlue',
Format => 'int16s',
},
);
%Image::ExifTool::NikonCapture::Brightness = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => {
Name => 'BrightnessAdj',
Format => 'double',
ValueConv => '$val * 50',
ValueConvInv => '$val / 50',
},
8 => {
Name => 'EnhanceDarkTones',
PrintConv => \%offOn,
},
);
%Image::ExifTool::NikonCapture::NoiseReduction = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0x04 => {
Name => 'EdgeNoiseReduction',
PrintConv => \%offOn,
},
0x05 => {
Name => 'ColorMoireReductionMode',
PrintConv => {
0 => 'Off',
1 => 'Low',
2 => 'Medium',
3 => 'High',
},
},
0x09 => {
Name => 'NoiseReductionIntensity',
Format => 'int32u',
},
0x0d => {
Name => 'NoiseReductionSharpness',
Format => 'int32u',
},
0x11 => {
Name => 'NoiseReductionMethod',
Format => 'int16u',
PrintConv => {
0 => 'Faster',
1 => 'Better Quality',
2 => 'Better Quality 2013',
},
},
0x15 => {
Name => 'ColorMoireReduction',
PrintConv => \%offOn,
},
0x17 => {
Name => 'NoiseReduction',
PrintConv => \%offOn,
},
0x18 => {
Name => 'ColorNoiseReductionIntensity',
Format => 'int32u',
},
0x1c => {
Name => 'ColorNoiseReductionSharpness',
Format => 'int32u',
},
);
%Image::ExifTool::NikonCapture::CropData = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0x1e => {
Name => 'CropLeft',
Format => 'double',
ValueConv => '$val / 2',
ValueConvInv => '$val * 2',
},
0x26 => {
Name => 'CropTop',
Format => 'double',
ValueConv => '$val / 2',
ValueConvInv => '$val * 2',
},
0x2e => {
Name => 'CropRight',
Format => 'double',
ValueConv => '$val / 2',
ValueConvInv => '$val * 2',
},
0x36 => {
Name => 'CropBottom',
Format => 'double',
ValueConv => '$val / 2',
ValueConvInv => '$val * 2',
},
0x8e => {
Name => 'CropOutputWidthInches',
Format => 'double',
},
0x96 => {
Name => 'CropOutputHeightInches',
Format => 'double',
},
0x9e => {
Name => 'CropScaledResolution',
Format => 'double',
},
0xae => {
Name => 'CropSourceResolution',
Format => 'double',
ValueConv => '$val / 2',
ValueConvInv => '$val * 2',
},
0xb6 => {
Name => 'CropOutputResolution',
Format => 'double',
},
0xbe => {
Name => 'CropOutputScale',
Format => 'double',
},
0xc6 => {
Name => 'CropOutputWidth',
Format => 'double',
},
0xce => {
Name => 'CropOutputHeight',
Format => 'double',
},
0xd6 => {
Name => 'CropOutputPixels',
Format => 'double',
},
);
%Image::ExifTool::NikonCapture::PictureCtrl = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0x00 => {
Name => 'PictureControlActive',
PrintConv => \%offOn,
},
0x13 => {
Name => 'PictureControlMode',
Format => 'string[16]',
},
# 0x29 changes with Hue and Sharpening
0x2a => {
Name => 'QuickAdjust',
ValueConv => '$val - 128',
ValueConvInv => '$val + 128',
},
0x2b => {
Name => 'SharpeningAdj',
ValueConv => '$val ? $val - 128 : "Auto"',
ValueConvInv => '$val=~/\d/ ? $val + 128 : 0',
},
0x2c => {
Name => 'ContrastAdj',
ValueConv => '$val ? $val - 128 : "Auto"',
ValueConvInv => '$val=~/\d/ ? $val + 128 : 0',
},
0x2d => {
Name => 'BrightnessAdj',
ValueConv => '$val ? $val - 128 : "Auto"', # no "Auto" mode (yet) for this setting
ValueConvInv => '$val=~/\d/ ? $val + 128 : 0',
},
0x2e => {
Name => 'SaturationAdj',
ValueConv => '$val ? $val - 128 : "Auto"',
ValueConvInv => '$val=~/\d/ ? $val + 128 : 0',
},
0x2f => {
Name => 'HueAdj',
ValueConv => '$val - 128',
ValueConvInv => '$val + 128',
},
# 0x37 changed from 0 to 2 when Picture Control is enabled (and no active DLighting)
);
%Image::ExifTool::NikonCapture::RedEyeData = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => {
Name => 'RedEyeCorrection',
PrintConv => {
0 => 'Off',
1 => 'Automatic',
2 => 'Click on Eyes',
},
},
);
%Image::ExifTool::NikonCapture::Exposure = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8u',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0x00 => {
Name => 'ExposureAdj',
Format => 'int16s',
ValueConv => '$val / 100',
ValueConvInv => '$val * 100',
},
0x12 => {
Name => 'ExposureAdj2',
Format => 'double',
PrintConv => 'sprintf("%.4f", $val)',
PrintConvInv => '$val',
},
0x24 => {
Name => 'ActiveD-Lighting',
PrintConv => \%offOn,
},
0x25 => {
Name => 'ActiveD-LightingMode',
PrintConv => {
0 => 'Unchanged',
1 => 'Off',
2 => 'Low',
3 => 'Normal',
4 => 'High',
6 => 'Extra High',
7 => 'Extra High 1',
8 => 'Extra High 2',
},
},
);
%Image::ExifTool::NikonCapture::HighlightData = (
PROCESS_PROC => \&Image::ExifTool::ProcessBinaryData,
WRITE_PROC => \&Image::ExifTool::WriteBinaryData,
CHECK_PROC => \&Image::ExifTool::CheckBinaryData,
WRITABLE => 1,
FORMAT => 'int8s',
FIRST_ENTRY => 0,
GROUPS => { 0 => 'MakerNotes', 2 => 'Image' },
0 => 'ShadowProtection',
1 => 'SaturationAdj',
6 => 'HighlightProtection',
);
#------------------------------------------------------------------------------
# write Nikon Capture data (ref 1)
# Inputs: 0) ExifTool object reference, 1) reference to directory information
# 2) pointer to tag table
# Returns: 1 on success
sub WriteNikonCapture($$$)
{
my ($et, $dirInfo, $tagTablePtr) = @_;
$et or return 1; # allow dummy access to autoload this package
# no need to edit this information unless necessary
unless ($$et{EDIT_DIRS}{MakerNotes} or $$et{EDIT_DIRS}{IPTC}) {
return undef;
}
my $dataPt = $$dirInfo{DataPt};
my $dirStart = $$dirInfo{DirStart};
my $dirLen = $$dirInfo{DirLen};
if ($dirLen < 22) {
$et->Warn('Short Nikon Capture Data',1);
return undef;
}
# make sure the capture data is properly contained
SetByteOrder('II');
my $tagID = Get32u($dataPt, $dirStart);
# sometimes size includes 18 header bytes, and other times it doesn't (eg. ViewNX 2.1.1)
my $size = Get32u($dataPt, $dirStart + 18);
my $pad = $dirLen - $size - 18;
unless ($tagID == 0x7a86a940 and ($pad >= 0 or $pad == -18)) {
$et->Warn('Unrecognized Nikon Capture Data header');
return undef;
}
# determine if there is any data after this block
if ($pad > 0) {
$pad = substr($$dataPt, $dirStart + 18 + $size, $pad);
$dirLen = $size + 18;
} else {
$pad = '';
}
my $outBuff = '';
my $pos;
my $newTags = $et->GetNewTagInfoHash($tagTablePtr);
my $dirEnd = $dirStart + $dirLen;
# loop through all entries in the Nikon Capture data
for ($pos=$dirStart+22; $pos+22<$dirEnd; $pos+=22+$size) {
$tagID = Get32u($dataPt, $pos);
$size = Get32u($dataPt, $pos + 18) - 4;
last if $size < 0 or $pos + 22 + $size > $dirEnd;
my $tagInfo = $et->GetTagInfo($tagTablePtr, $tagID);
if ($tagInfo) {
my $newVal;
if ($$tagInfo{SubDirectory}) {
# rewrite the subdirectory
my %subdirInfo = (
DataPt => $dataPt,
DirStart => $pos + 22,
DirLen => $size,
);
my $subTable = GetTagTable($tagInfo->{SubDirectory}->{TagTable});
# ignore minor errors in IPTC since there is typically trailing garbage
my $oldSetting = $et->Options('IgnoreMinorErrors');
$$tagInfo{Name} =~ /IPTC/ and $et->Options(IgnoreMinorErrors => 1);
# rewrite the directory
$newVal = $et->WriteDirectory(\%subdirInfo, $subTable);
# restore our original options
$et->Options(IgnoreMinorErrors => $oldSetting);
} elsif ($$newTags{$tagID}) {
# get new value for this tag if we are writing it
my $format = $$tagInfo{Format} || $$tagInfo{Writable};
my $oldVal = ReadValue($dataPt,$pos+22,$format,1,$size);
my $nvHash = $et->GetNewValueHash($tagInfo);
if ($et->IsOverwriting($nvHash, $oldVal)) {
my $val = $et->GetNewValues($tagInfo);
$newVal = WriteValue($val, $$tagInfo{Writable}) if defined $val;
if (defined $newVal and length $newVal) {
++$$et{CHANGED};
} else {
undef $newVal;
$et->Warn("Can't delete $$tagInfo{Name}");
}
}
}
if (defined $newVal) {
next unless length $newVal; # don't write zero length information
# write the new value
$outBuff .= substr($$dataPt, $pos, 18);
$outBuff .= Set32u(length($newVal) + 4);
$outBuff .= $newVal;
next;
}
}
# rewrite the existing information
$outBuff .= substr($$dataPt, $pos, 22 + $size);
}
unless ($pos == $dirEnd) {
if ($pos == $dirEnd - 4) {
# it seems that sometimes (NX2) the main block size is wrong by 4 bytes
# (did they forget to include the size word?)
$outBuff .= substr($$dataPt, $pos, 4);
} else {
$et->Warn('Nikon Capture Data improperly terminated',1);
return undef;
}
}
# add the header and return the new directory
return substr($$dataPt, $dirStart, 18) .
Set32u(length($outBuff) + 4) .
$outBuff . $pad;
}
#------------------------------------------------------------------------------
# process Nikon Capture data (ref 1)
# Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) tag table ref
# Returns: 1 on success
sub ProcessNikonCaptureEditVersions($$$)
{
my ($et, $dirInfo, $tagTablePtr) = @_;
my $dataPt = $$dirInfo{DataPt};
my $dirStart = $$dirInfo{DirStart};
my $dirLen = $$dirInfo{DirLen};
my $dirEnd = $dirStart + $dirLen;
my $verbose = $et->Options('Verbose');
SetByteOrder('II');
return 0 unless $dirLen > 4;
my $num = Get32u($dataPt, $dirStart);
my $pos = $dirStart + 4;
$verbose and $et->VerboseDir('NikonCaptureEditVersions', $num);
while ($num) {
last if $pos + 4 > $dirEnd;
my $len = Get32u($dataPt, $pos);
last if $pos + $len + 4 > $dirEnd;
my %dirInfo = (
DirName => 'NikonCapture',
Parent => 'NikonCaptureEditVersions',
DataPt => $dataPt,
DirStart => $pos + 4,
DirLen => $len,
);
$$et{DOC_NUM} = ++$$et{DOC_COUNT};
$et->ProcessDirectory(\%dirInfo, $tagTablePtr);
--$num;
$pos += $len + 4;
}
delete $$et{DOC_NUM};
return 1;
}
#------------------------------------------------------------------------------
# process Nikon Capture data (ref 1)
# Inputs: 0) ExifTool object ref, 1) dirInfo ref, 2) tag table ref
# Returns: 1 on success
sub ProcessNikonCapture($$$)
{
my ($et, $dirInfo, $tagTablePtr) = @_;
my $dataPt = $$dirInfo{DataPt};
my $dirStart = $$dirInfo{DirStart};
my $dirLen = $$dirInfo{DirLen};
my $dirEnd = $dirStart + $dirLen;
my $verbose = $et->Options('Verbose');
my $success = 0;
SetByteOrder('II');
$verbose and $et->VerboseDir('NikonCapture', 0, $dirLen);
my $pos;
for ($pos=$dirStart+22; $pos+22<$dirEnd; ) {
my $tagID = Get32u($dataPt, $pos);
my $size = Get32u($dataPt, $pos + 18) - 4;
$pos += 22;
last if $size < 0 or $pos + $size > $dirEnd;
my $tagInfo = $et->GetTagInfo($tagTablePtr, $tagID);
if ($tagInfo or $verbose) {
my ($format, $value);
# (note that Writable will be 0 for Unknown tags)
$tagInfo and $format = ($$tagInfo{Format} || $$tagInfo{Writable});
# generate a reasonable default format type for short values
if (not $format and ($size == 1 or $size == 2 or $size == 4)) {
$format = 'int' . ($size * 8) . 'u';
}
if ($format) {
my $count = 1;
if ($format eq 'string' or $format eq 'undef') {
# patch Nikon bug in size of some values (HistogramXML)
$size += $$tagInfo{AdjustSize} if $tagInfo and $$tagInfo{AdjustSize};
$count = $size;
}
$value = ReadValue($dataPt,$pos,$format,$count,$size);
} elsif ($size == 1) {
$value = substr($$dataPt, $pos, $size);
}
$et->HandleTag($tagTablePtr, $tagID, $value,
DataPt => $dataPt,
DataPos => $$dirInfo{DataPos},
Base => $$dirInfo{Base},
Start => $pos,
Size => $size,
) and $success = 1;
}
$pos += $size;
}
return $success;
}
1; # end
__END__
=head1 NAME
Image::ExifTool::NikonCapture - Read/write Nikon Capture information
=head1 SYNOPSIS
This module is loaded automatically by Image::ExifTool when required.
=head1 DESCRIPTION
This module contains routines to read and write Nikon Capture information in
the maker notes of NEF images.
=head1 AUTHOR
Copyright 2003-2015, 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/NikonCapture Tags>,
L<Image::ExifTool::TagNames/Nikon Tags>,
L<Image::ExifTool(3pm)|Image::ExifTool>
=cut