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454 lines
15 KiB
C++
454 lines
15 KiB
C++
// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2004-2012 Andreas Huggel <ahuggel@gmx.net>
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*
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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File: easyaccess.cpp
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Version: $Rev$
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Author(s): Carsten Pfeiffer <pfeiffer@kde.org>
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Andreas Huggel (ahu) <ahuggel@gmx.net>
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History: 28-Feb-09, gis: created
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*/
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// *****************************************************************************
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#include "rcsid_int.hpp"
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EXIV2_RCSID("@(#) $Id$")
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// *****************************************************************************
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// included header files
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#include "easyaccess.hpp"
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// *****************************************************************************
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namespace {
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using namespace Exiv2;
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/*!
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@brief Search \em ed for a Metadatum specified by the \em keys.
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The \em keys are searched in the order of their appearance, the
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first available Metadatum is returned.
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@param ed The %Exif metadata container to search
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@param keys Array of keys to look for
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@param count Number of elements in the array
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*/
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ExifData::const_iterator findMetadatum(const ExifData& ed,
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const char* keys[],
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int count)
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{
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for (int i = 0; i < count; ++i) {
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ExifData::const_iterator pos = ed.findKey(ExifKey(keys[i]));
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if (pos != ed.end()) return pos;
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}
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return ed.end();
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} // findMetadatum
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} // anonymous namespace
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// *****************************************************************************
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// class member definitions
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namespace Exiv2 {
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ExifData::const_iterator orientation(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Image.Orientation",
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"Exif.Panasonic.Rotation",
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"Exif.MinoltaCs5D.Rotation",
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"Exif.MinoltaCs5D.Rotation2",
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"Exif.MinoltaCs7D.Rotation",
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"Exif.Sony1MltCsA100.Rotation",
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"Exif.Sony1Cs.Rotation",
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"Exif.Sony2Cs.Rotation",
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"Exif.Sony1Cs2.Rotation",
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"Exif.Sony2Cs2.Rotation",
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"Exif.Sony1MltCsA100.Rotation"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator isoSpeed(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.ISOSpeedRatings",
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"Exif.Image.ISOSpeedRatings",
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"Exif.CanonSi.ISOSpeed",
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"Exif.CanonCs.ISOSpeed",
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"Exif.Nikon1.ISOSpeed",
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"Exif.Nikon2.ISOSpeed",
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"Exif.Nikon3.ISOSpeed",
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"Exif.NikonIi.ISO",
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"Exif.NikonIi.ISO2",
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"Exif.MinoltaCsNew.ISOSetting",
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"Exif.MinoltaCsOld.ISOSetting",
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"Exif.MinoltaCs5D.ISOSpeed",
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"Exif.MinoltaCs7D.ISOSpeed",
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"Exif.Sony1Cs.ISOSetting",
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"Exif.Sony2Cs.ISOSetting",
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"Exif.Sony1Cs2.ISOSetting",
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"Exif.Sony2Cs2.ISOSetting",
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"Exif.Sony1MltCsA100.ISOSetting",
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"Exif.Pentax.ISO",
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"Exif.Olympus.ISOSpeed",
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"Exif.Samsung2.ISO"
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};
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// Find the first ISO value which is not "0"
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const int cnt = EXV_COUNTOF(keys);
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ExifData::const_iterator md = ed.end();
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for (int idx = 0; idx < cnt; ) {
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md = findMetadatum(ed, keys + idx, cnt - idx);
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if (md == ed.end()) break;
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std::ostringstream os;
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md->write(os, &ed);
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bool ok = false;
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long v = parseLong(os.str(), ok);
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if (ok && v != 0) break;
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while (strcmp(keys[idx++], md->key().c_str()) != 0 && idx < cnt) {}
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md = ed.end();
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}
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return md;
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}
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ExifData::const_iterator flashBias(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonSi.FlashBias",
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"Exif.Panasonic.FlashBias",
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"Exif.Olympus.FlashBias",
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"Exif.OlympusCs.FlashExposureComp",
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"Exif.Minolta.FlashExposureComp",
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"Exif.SonyMinolta.FlashExposureComp",
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"Exif.Sony1.FlashExposureComp",
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"Exif.Sony2.FlashExposureComp"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator exposureMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.ExposureProgram",
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"Exif.Image.ExposureProgram",
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"Exif.CanonCs.ExposureProgram",
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"Exif.MinoltaCs7D.ExposureMode",
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"Exif.MinoltaCs5D.ExposureMode",
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"Exif.MinoltaCsNew.ExposureMode",
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"Exif.MinoltaCsOld.ExposureMode",
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"Exif.Sony1MltCsA100.ExposureMode",
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"Exif.Sony1Cs.ExposureProgram",
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"Exif.Sony2Cs.ExposureProgram",
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"Exif.Sigma.ExposureMode"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator sceneMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.EasyMode",
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"Exif.Fujifilm.PictureMode",
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"Exif.MinoltaCsNew.SubjectProgram",
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"Exif.MinoltaCsOld.SubjectProgram",
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"Exif.Minolta.SceneMode",
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"Exif.SonyMinolta.SceneMode",
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"Exif.Sony1.SceneMode",
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"Exif.Sony2.SceneMode",
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"Exif.OlympusCs.SceneMode",
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"Exif.Panasonic.ShootingMode",
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"Exif.Panasonic.SceneMode",
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"Exif.Pentax.PictureMode",
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"Exif.Photo.SceneCaptureType"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator macroMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.Macro",
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"Exif.Fujifilm.Macro",
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"Exif.Olympus.Macro",
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"Exif.OlympusCs.MacroMode",
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"Exif.Panasonic.Macro",
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"Exif.MinoltaCsNew.MacroMode",
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"Exif.MinoltaCsOld.MacroMode",
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"Exif.Sony1.Macro",
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"Exif.Sony2.Macro"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator imageQuality(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.Quality",
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"Exif.Fujifilm.Quality",
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"Exif.Sigma.Quality",
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"Exif.Nikon1.Quality",
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"Exif.Nikon2.Quality",
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"Exif.Nikon3.Quality",
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"Exif.Olympus.Quality",
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"Exif.OlympusCs.Quality",
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"Exif.Panasonic.Quality",
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"Exif.Minolta.Quality",
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"Exif.MinoltaCsNew.Quality",
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"Exif.MinoltaCsOld.Quality",
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"Exif.MinoltaCs5D.Quality",
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"Exif.MinoltaCs7D.Quality",
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"Exif.Sony1MltCsA100.Quality",
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"Exif.Sony1.JPEGQuality",
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"Exif.Sony1.Quality",
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"Exif.Sony1Cs.Quality",
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"Exif.Sony2.JPEGQuality",
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"Exif.Sony2.Quality",
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"Exif.Sony2Cs.Quality"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator whiteBalance(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonSi.WhiteBalance",
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"Exif.Fujifilm.WhiteBalance",
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"Exif.Sigma.WhiteBalance",
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"Exif.Nikon1.WhiteBalance",
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"Exif.Nikon2.WhiteBalance",
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"Exif.Nikon3.WhiteBalance",
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"Exif.Olympus.WhiteBalance",
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"Exif.OlympusCs.WhiteBalance",
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"Exif.Panasonic.WhiteBalance",
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"Exif.MinoltaCs5D.WhiteBalance",
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"Exif.MinoltaCs7D.WhiteBalance",
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"Exif.MinoltaCsNew.WhiteBalance",
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"Exif.MinoltaCsOld.WhiteBalance",
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"Exif.Minolta.WhiteBalance",
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"Exif.Sony1MltCsA100.WhiteBalance",
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"Exif.SonyMinolta.WhiteBalance",
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"Exif.Sony1.WhiteBalance",
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"Exif.Sony2.WhiteBalance",
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"Exif.Sony1.WhiteBalance2",
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"Exif.Sony2.WhiteBalance2",
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"Exif.Photo.WhiteBalance"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator lensName(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.LensType",
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"Exif.NikonLd1.LensIDNumber",
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"Exif.NikonLd2.LensIDNumber",
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"Exif.NikonLd3.LensIDNumber",
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"Exif.Pentax.LensType",
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"Exif.Minolta.LensID",
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"Exif.SonyMinolta.LensID",
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"Exif.Sony1.LensID",
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"Exif.Sony2.LensID",
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"Exif.OlympusEq.LensModel",
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"Exif.Panasonic.LensType",
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"Exif.Samsung2.LensType"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator saturation(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.Saturation",
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"Exif.CanonCs.Saturation",
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"Exif.MinoltaCsNew.Saturation",
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"Exif.MinoltaCsOld.Saturation",
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"Exif.MinoltaCs7D.Saturation",
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"Exif.MinoltaCs5D.Saturation",
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"Exif.Fujifilm.Color",
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"Exif.Nikon3.Saturation",
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"Exif.Panasonic.Saturation",
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"Exif.Pentax.Saturation",
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"Exif.Sigma.Saturation"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator sharpness(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.Sharpness",
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"Exif.CanonCs.Sharpness",
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"Exif.Fujifilm.Sharpness",
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"Exif.MinoltaCsNew.Sharpness",
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"Exif.MinoltaCsOld.Sharpness",
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"Exif.MinoltaCs7D.Sharpness",
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"Exif.MinoltaCs5D.Sharpness",
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"Exif.Olympus.SharpnessFactor",
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"Exif.Panasonic.Sharpness",
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"Exif.Pentax.Sharpness",
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"Exif.Sigma.Sharpness"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator contrast(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.Contrast",
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"Exif.CanonCs.Contrast",
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"Exif.Fujifilm.Tone",
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"Exif.MinoltaCsNew.Contrast",
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"Exif.MinoltaCsOld.Contrast",
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"Exif.MinoltaCs7D.Contrast",
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"Exif.MinoltaCs5D.Contrast",
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"Exif.Olympus.Contrast",
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"Exif.Panasonic.Contrast",
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"Exif.Pentax.Contrast",
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"Exif.Sigma.Contrast"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator sceneCaptureType(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.SceneCaptureType",
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"Exif.Olympus.SpecialMode"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator meteringMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.MeteringMode",
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"Exif.Image.MeteringMode",
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"Exif.CanonCs.MeteringMode",
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"Exif.Sony1MltCsA100.MeteringMode"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator make(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Image.Make"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator model(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Image.Model"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator exposureTime(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.ExposureTime",
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"Exif.Image.ExposureTime",
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"Exif.Samsung2.ExposureTime"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator fNumber(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.FNumber",
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"Exif.Image.FNumber",
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"Exif.Samsung2.FNumber"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator subjectDistance(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.SubjectDistance",
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"Exif.Image.SubjectDistance",
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"Exif.CanonSi.SubjectDistance",
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"Exif.MinoltaCsNew.FocusDistance",
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"Exif.Nikon1.FocusDistance",
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"Exif.Nikon3.FocusDistance",
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"Exif.NikonLd2.FocusDistance",
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"Exif.NikonLd3.FocusDistance",
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"Exif.Olympus.FocusDistance",
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"Exif.OlympusFi.FocusDistance"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator serialNumber(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Image.CameraSerialNumber",
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"Exif.Canon.SerialNumber",
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"Exif.Nikon3.SerialNumber",
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"Exif.Nikon3.SerialNO",
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"Exif.Fujifilm.SerialNumber",
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"Exif.Olympus.SerialNumber2",
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"Exif.Sigma.SerialNumber"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator focalLength(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.FocalLength",
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"Exif.Image.FocalLength",
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"Exif.Canon.FocalLength",
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"Exif.NikonLd2.FocalLength",
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"Exif.NikonLd3.FocalLength",
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"Exif.MinoltaCsNew.FocalLength",
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"Exif.Pentax.FocalLength"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator afPoint(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonPi.AFPointsUsed",
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"Exif.CanonPi.AFPointsUsed20D",
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"Exif.CanonSi.AFPointUsed",
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"Exif.CanonCs.AFPoint",
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"Exif.MinoltaCs7D.AFPoints",
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"Exif.Nikon1.AFFocusPos",
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"Exif.NikonAf.AFPoint",
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"Exif.NikonAf.AFPointsInFocus",
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"Exif.NikonAf2.AFPointsUsed",
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"Exif.NikonAf2.PrimaryAFPoint",
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"Exif.OlympusFi.AFPoint",
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"Exif.Pentax.AFPoint",
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"Exif.Pentax.AFPointInFocus",
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"Exif.Sony1Cs.LocalAFAreaPoint",
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"Exif.Sony2Cs.LocalAFAreaPoint",
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"Exif.Sony1Cs2.LocalAFAreaPoint",
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"Exif.Sony2Cs2.LocalAFAreaPoint",
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"Exif.Sony1MltCsA100.LocalAFAreaPoint"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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} // namespace Exiv2
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