/*
* Copyright 2002-2013 Drew Noakes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* More information about this project is available at:
*
* http://drewnoakes.com/code/exif/
* http://code.google.com/p/metadata-extractor/
*/
package com.drew.metadata.exif.makernotes;
import com.drew.lang.Rational;
import com.drew.lang.annotations.NotNull;
import com.drew.lang.annotations.Nullable;
import com.drew.metadata.TagDescriptor;
import java.text.DecimalFormat;
import static com.drew.metadata.exif.makernotes.NikonType2MakernoteDirectory.*;
/**
* Provides human-readable string representations of tag values stored in a {@link NikonType2MakernoteDirectory}.
*
* Type-2 applies to the E990 and D-series cameras such as the D1, D70 and D100.
*
* @author Drew Noakes http://drewnoakes.com
*/
public class NikonType2MakernoteDescriptor extends TagDescriptor<NikonType2MakernoteDirectory>
{
public NikonType2MakernoteDescriptor(@NotNull NikonType2MakernoteDirectory directory)
{
super(directory);
}
@Nullable
public String getDescription(int tagType)
{
switch (tagType)
{
case TAG_PROGRAM_SHIFT:
return getProgramShiftDescription();
case TAG_EXPOSURE_DIFFERENCE:
return getExposureDifferenceDescription();
case TAG_LENS:
return getLensDescription();
case TAG_CAMERA_HUE_ADJUSTMENT:
return getHueAdjustmentDescription();
case TAG_CAMERA_COLOR_MODE:
return getColorModeDescription();
case TAG_AUTO_FLASH_COMPENSATION:
return getAutoFlashCompensationDescription();
case TAG_FLASH_EXPOSURE_COMPENSATION:
return getFlashExposureCompensationDescription();
case TAG_FLASH_BRACKET_COMPENSATION:
return getFlashBracketCompensationDescription();
case TAG_EXPOSURE_TUNING:
return getExposureTuningDescription();
case TAG_LENS_STOPS:
return getLensStopsDescription();
case TAG_COLOR_SPACE:
return getColorSpaceDescription();
case TAG_ACTIVE_D_LIGHTING:
return getActiveDLightingDescription();
case TAG_VIGNETTE_CONTROL:
return getVignetteControlDescription();
case TAG_ISO_1:
return getIsoSettingDescription();
case TAG_DIGITAL_ZOOM:
return getDigitalZoomDescription();
case TAG_FLASH_USED:
return getFlashUsedDescription();
case TAG_AF_FOCUS_POSITION:
return getAutoFocusPositionDescription();
case TAG_FIRMWARE_VERSION:
return getFirmwareVersionDescription();
case TAG_LENS_TYPE:
return getLensTypeDescription();
case TAG_SHOOTING_MODE:
return getShootingModeDescription();
case TAG_NEF_COMPRESSION:
return getNEFCompressionDescription();
case TAG_HIGH_ISO_NOISE_REDUCTION:
return getHighISONoiseReductionDescription();
case TAG_POWER_UP_TIME:
return getPowerUpTimeDescription();
default:
return super.getDescription(tagType);
}
}
@Nullable
public String getPowerUpTimeDescription()
{
return getEpochTimeDescription(TAG_POWER_UP_TIME);
}
@Nullable
public String getHighISONoiseReductionDescription()
{
return getIndexedDescription(TAG_HIGH_ISO_NOISE_REDUCTION,
"Off",
"Minimal",
"Low",
null,
"Normal",
null,
"High"
);
}
@Nullable
public String getFlashUsedDescription()
{
return getIndexedDescription(TAG_FLASH_USED,
"Flash Not Used",
"Manual Flash",
null,
"Flash Not Ready",
null,
null,
null,
"External Flash",
"Fired, Commander Mode",
"Fired, TTL Mode"
);
}
@Nullable
public String getNEFCompressionDescription()
{
return getIndexedDescription(TAG_NEF_COMPRESSION,
1,
"Lossy (Type 1)",
null,
"Uncompressed",
null,
null,
null,
"Lossless",
"Lossy (Type 2)"
);
}
@Nullable
public String getShootingModeDescription()
{
return getBitFlagDescription(TAG_SHOOTING_MODE,
// LSB [low label, high label]
new String[]{"Single Frame", "Continuous"},
"Delay",
null,
"PC Control",
"Exposure Bracketing",
"Auto ISO",
"White-Balance Bracketing",
"IR Control"
);
}
@Nullable
public String getLensTypeDescription()
{
return getBitFlagDescription(TAG_LENS_TYPE,
// LSB [low label, high label]
new String[]{"AF", "MF"},
"D",
"G",
"VR"
);
}
@Nullable
public String getColorSpaceDescription()
{
return getIndexedDescription(TAG_COLOR_SPACE,
1,
"sRGB",
"Adobe RGB"
);
}
@Nullable
public String getActiveDLightingDescription()
{
Integer value = _directory.getInteger(TAG_ACTIVE_D_LIGHTING);
if (value==null)
return null;
switch (value) {
case 0: return "Off";
case 1: return "Light";
case 3: return "Normal";
case 5: return "High";
case 7: return "Extra High";
case 65535: return "Auto";
default: return "Unknown (" + value + ")";
}
}
@Nullable
public String getVignetteControlDescription()
{
Integer value = _directory.getInteger(TAG_VIGNETTE_CONTROL);
if (value==null)
return null;
switch (value) {
case 0: return "Off";
case 1: return "Low";
case 3: return "Normal";
case 5: return "High";
default: return "Unknown (" + value + ")";
}
}
@Nullable
public String getAutoFocusPositionDescription()
{
int[] values = _directory.getIntArray(TAG_AF_FOCUS_POSITION);
if (values==null)
return null;
if (values.length != 4 || values[0] != 0 || values[2] != 0 || values[3] != 0) {
return "Unknown (" + _directory.getString(TAG_AF_FOCUS_POSITION) + ")";
}
switch (values[1]) {
case 0:
return "Centre";
case 1:
return "Top";
case 2:
return "Bottom";
case 3:
return "Left";
case 4:
return "Right";
default:
return "Unknown (" + values[1] + ")";
}
}
@Nullable
public String getDigitalZoomDescription()
{
Rational value = _directory.getRational(TAG_DIGITAL_ZOOM);
if (value==null)
return null;
return value.intValue() == 1
? "No digital zoom"
: value.toSimpleString(true) + "x digital zoom";
}
@Nullable
public String getProgramShiftDescription()
{
return getEVDescription(TAG_PROGRAM_SHIFT);
}
@Nullable
public String getExposureDifferenceDescription()
{
return getEVDescription(TAG_EXPOSURE_DIFFERENCE);
}
@Nullable
public String getAutoFlashCompensationDescription()
{
return getEVDescription(TAG_AUTO_FLASH_COMPENSATION);
}
@Nullable
public String getFlashExposureCompensationDescription()
{
return getEVDescription(TAG_FLASH_EXPOSURE_COMPENSATION);
}
@Nullable
public String getFlashBracketCompensationDescription()
{
return getEVDescription(TAG_FLASH_BRACKET_COMPENSATION);
}
@Nullable
public String getExposureTuningDescription()
{
return getEVDescription(TAG_EXPOSURE_TUNING);
}
@Nullable
public String getLensStopsDescription()
{
return getEVDescription(TAG_LENS_STOPS);
}
@Nullable
private String getEVDescription(int tagType)
{
int[] values = _directory.getIntArray(tagType);
if (values == null)
return null;
if (values.length < 3 || values[2] == 0)
return null;
final DecimalFormat decimalFormat = new DecimalFormat("0.##");
double ev = values[0] * values[1] / (double)values[2];
return decimalFormat.format(ev) + " EV";
}
@Nullable
public String getIsoSettingDescription()
{
int[] values = _directory.getIntArray(TAG_ISO_1);
if (values == null)
return null;
if (values[0] != 0 || values[1] == 0)
return "Unknown (" + _directory.getString(TAG_ISO_1) + ")";
return "ISO " + values[1];
}
@Nullable
public String getLensDescription()
{
Rational[] values = _directory.getRationalArray(TAG_LENS);
return values == null
? null
: values.length < 4
? _directory.getString(TAG_LENS)
: String.format("%d-%dmm f/%.1f-%.1f", values[0].intValue(), values[1].intValue(), values[2].floatValue(), values[3].floatValue());
}
@Nullable
public String getHueAdjustmentDescription()
{
return getFormattedString(TAG_CAMERA_HUE_ADJUSTMENT, "%s degrees");
}
@Nullable
public String getColorModeDescription()
{
String value = _directory.getString(TAG_CAMERA_COLOR_MODE);
return value == null ? null : value.startsWith("MODE1") ? "Mode I (sRGB)" : value;
}
@Nullable
public String getFirmwareVersionDescription()
{
return getVersionBytesDescription(TAG_FIRMWARE_VERSION, 2);
}
}