com.drew.metadata.exif.makernotes.OlympusImageProcessingMakernoteDescriptor Maven / Gradle / Ivy
/*
* Copyright 2002-2015 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:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.metadata.exif.makernotes;
import com.drew.lang.annotations.NotNull;
import com.drew.lang.annotations.Nullable;
import com.drew.metadata.TagDescriptor;
import static com.drew.metadata.exif.makernotes.OlympusImageProcessingMakernoteDirectory.*;
/**
* Provides human-readable String representations of tag values stored in a {@link OlympusImageProcessingMakernoteDirectory}.
*
* Some Description functions converted from Exiftool version 10.33 created by Phil Harvey
* http://www.sno.phy.queensu.ca/~phil/exiftool/
* lib\Image\ExifTool\Olympus.pm
*
* @author Kevin Mott https://github.com/kwhopper
* @author Drew Noakes https://drewnoakes.com
*/
@SuppressWarnings("WeakerAccess")
public class OlympusImageProcessingMakernoteDescriptor extends TagDescriptor
{
public OlympusImageProcessingMakernoteDescriptor(@NotNull OlympusImageProcessingMakernoteDirectory directory)
{
super(directory);
}
@Override
@Nullable
public String getDescription(int tagType)
{
switch (tagType) {
case TagImageProcessingVersion:
return getImageProcessingVersionDescription();
case TagColorMatrix:
return getColorMatrixDescription();
case TagNoiseReduction2:
return getNoiseReduction2Description();
case TagDistortionCorrection2:
return getDistortionCorrection2Description();
case TagShadingCompensation2:
return getShadingCompensation2Description();
case TagMultipleExposureMode:
return getMultipleExposureModeDescription();
case TagAspectRatio:
return getAspectRatioDescription();
case TagKeystoneCompensation:
return getKeystoneCompensationDescription();
case TagKeystoneDirection:
return getKeystoneDirectionDescription();
default:
return super.getDescription(tagType);
}
}
@Nullable
public String getImageProcessingVersionDescription()
{
return getVersionBytesDescription(TagImageProcessingVersion, 4);
}
@Nullable
public String getColorMatrixDescription()
{
int[] obj = _directory.getIntArray(TagColorMatrix);
if (obj == null)
return null;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < obj.length; i++) {
if (i != 0)
sb.append(" ");
sb.append((short)obj[i]);
}
return sb.toString();
}
@Nullable
public String getNoiseReduction2Description()
{
Integer value = _directory.getInteger(TagNoiseReduction2);
if (value == null)
return null;
if (value == 0)
return "(none)";
StringBuilder sb = new StringBuilder();
short v = value.shortValue();
if (( v & 1) != 0) sb.append("Noise Reduction, ");
if (((v >> 1) & 1) != 0) sb.append("Noise Filter, ");
if (((v >> 2) & 1) != 0) sb.append("Noise Filter (ISO Boost), ");
return sb.substring(0, sb.length() - 2);
}
@Nullable
public String getDistortionCorrection2Description()
{
return getIndexedDescription(TagDistortionCorrection2, "Off", "On");
}
@Nullable
public String getShadingCompensation2Description()
{
return getIndexedDescription(TagShadingCompensation2, "Off", "On");
}
@Nullable
public String getMultipleExposureModeDescription()
{
int[] values = _directory.getIntArray(TagMultipleExposureMode);
if (values == null)
{
// check if it's only one value long also
Integer value = _directory.getInteger(TagMultipleExposureMode);
if(value == null)
return null;
values = new int[1];
values[0] = value;
}
if (values.length == 0)
return null;
StringBuilder sb = new StringBuilder();
switch ((short)values[0])
{
case 0:
sb.append("Off");
break;
case 2:
sb.append("On (2 frames)");
break;
case 3:
sb.append("On (3 frames)");
break;
default:
sb.append("Unknown (").append((short)values[0]).append(")");
break;
}
if (values.length > 1)
sb.append("; ").append((short)values[1]);
return sb.toString();
}
@Nullable
public String getAspectRatioDescription()
{
byte[] values = _directory.getByteArray(TagAspectRatio);
if (values == null || values.length < 2)
return null;
String join = String.format("%d %d", values[0], values[1]);
String ret;
if(join.equals("1 1"))
ret = "4:3";
else if(join.equals("1 4"))
ret = "1:1";
else if(join.equals("2 1"))
ret = "3:2 (RAW)";
else if(join.equals("2 2"))
ret = "3:2";
else if(join.equals("3 1"))
ret = "16:9 (RAW)";
else if(join.equals("3 3"))
ret = "16:9";
else if(join.equals("4 1"))
ret = "1:1 (RAW)";
else if(join.equals("4 4"))
ret = "6:6";
else if(join.equals("5 5"))
ret = "5:4";
else if(join.equals("6 6"))
ret = "7:6";
else if(join.equals("7 7"))
ret = "6:5";
else if(join.equals("8 8"))
ret = "7:5";
else if(join.equals("9 1"))
ret = "3:4 (RAW)";
else if(join.equals("9 9"))
ret = "3:4";
else
ret = "Unknown (" + join + ")";
return ret;
}
@Nullable
public String getKeystoneCompensationDescription()
{
byte[] values = _directory.getByteArray(TagKeystoneCompensation);
if (values == null || values.length < 2)
return null;
String join = String.format("%d %d", values[0], values[1]);
String ret;
if(join.equals("0 0"))
ret = "Off";
else if(join.equals("0 1"))
ret = "On";
else
ret = "Unknown (" + join + ")";
return ret;
}
@Nullable
public String getKeystoneDirectionDescription()
{
return getIndexedDescription(TagKeystoneDirection, "Vertical", "Horizontal");
}
}