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#204 TIFF metadata refactor

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Harald Kuhr
2016-12-12 22:28:22 +01:00
parent 7a0660c4d7
commit a86b76256b
37 changed files with 2471 additions and 1695 deletions
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97
contrib/src/main/java/com/twelvemonkeys/contrib/tiff/TIFFUtilities.java
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@@ -29,11 +29,14 @@
package com.twelvemonkeys.contrib.tiff;
import com.twelvemonkeys.image.AffineTransformOp;
import com.twelvemonkeys.imageio.metadata.*;
import com.twelvemonkeys.imageio.metadata.exif.EXIFReader;
import com.twelvemonkeys.imageio.metadata.exif.EXIFWriter;
import com.twelvemonkeys.imageio.metadata.exif.Rational;
import com.twelvemonkeys.imageio.metadata.exif.TIFF;
import com.twelvemonkeys.imageio.metadata.AbstractDirectory;
import com.twelvemonkeys.imageio.metadata.CompoundDirectory;
import com.twelvemonkeys.imageio.metadata.Directory;
import com.twelvemonkeys.imageio.metadata.Entry;
import com.twelvemonkeys.imageio.metadata.tiff.TIFF;
import com.twelvemonkeys.imageio.metadata.tiff.TIFFEntry;
import com.twelvemonkeys.imageio.metadata.tiff.TIFFReader;
import com.twelvemonkeys.imageio.metadata.tiff.TIFFWriter;
import com.twelvemonkeys.lang.Validate;
import javax.imageio.IIOException;
@@ -44,7 +47,6 @@ import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
@@ -57,7 +59,7 @@ import java.util.List;
* @author last modified by $Author$
* @version $Id$
*/
public class TIFFUtilities {
public final class TIFFUtilities {
private TIFFUtilities() {
}
@@ -201,7 +203,7 @@ public class TIFFUtilities {
public static List<TIFFPage> getPages(ImageInputStream imageInput) throws IOException {
ArrayList<TIFFPage> pages = new ArrayList<TIFFPage>();
CompoundDirectory IFDs = (CompoundDirectory) new EXIFReader().read(imageInput);
CompoundDirectory IFDs = (CompoundDirectory) new TIFFReader().read(imageInput);
int pageCount = IFDs.directoryCount();
for (int pageIndex = 0; pageIndex < pageCount; pageIndex++) {
@@ -212,7 +214,7 @@ public class TIFFUtilities {
}
public static void writePages(ImageOutputStream imageOutput, List<TIFFPage> pages) throws IOException {
EXIFWriter exif = new EXIFWriter();
TIFFWriter exif = new TIFFWriter();
long nextPagePos = imageOutput.getStreamPosition();
if (nextPagePos == 0) {
exif.writeTIFFHeader(imageOutput);
@@ -316,9 +318,9 @@ public class TIFFUtilities {
this.stream = stream;
}
private long write(ImageOutputStream outputStream, EXIFWriter exifWriter) throws IOException {
private long write(ImageOutputStream outputStream, TIFFWriter tiffWriter) throws IOException {
List<Entry> newIFD = writeDirectoryData(IFD, outputStream);
return exifWriter.writeIFD(newIFD, outputStream);
return tiffWriter.writeIFD(newIFD, outputStream);
}
private List<Entry> writeDirectoryData(Directory IFD, ImageOutputStream outputStream) throws IOException {
@@ -506,78 +508,9 @@ public class TIFFUtilities {
break;
}
}
newIDFData.add(new TIFFEntry(TIFF.TAG_ORIENTATION, (short) orientation));
IFD = new AbstractDirectory(newIDFData) {
};
}
}
/**
* TODO: Temporary clone, to be removed after TMI204 has been closed
*/
public static final class TIFFEntry extends AbstractEntry {
// TODO: Expose a merge of this and the EXIFEntry class...
private final short type;
private static short guessType(final Object val) {
// TODO: This code is duplicated in EXIFWriter.getType, needs refactor!
Object value = Validate.notNull(val);
boolean array = value.getClass().isArray();
if (array) {
value = Array.get(value, 0);
}
// Note: This "narrowing" is to keep data consistent between read/write.
// TODO: Check for negative values and use signed types?
if (value instanceof Byte) {
return TIFF.TYPE_BYTE;
}
if (value instanceof Short) {
if (!array && (Short) value < Byte.MAX_VALUE) {
return TIFF.TYPE_BYTE;
}
return TIFF.TYPE_SHORT;
}
if (value instanceof Integer) {
if (!array && (Integer) value < Short.MAX_VALUE) {
return TIFF.TYPE_SHORT;
}
return TIFF.TYPE_LONG;
}
if (value instanceof Long) {
if (!array && (Long) value < Integer.MAX_VALUE) {
return TIFF.TYPE_LONG;
}
}
if (value instanceof Rational) {
return TIFF.TYPE_RATIONAL;
}
if (value instanceof String) {
return TIFF.TYPE_ASCII;
}
// TODO: More types
throw new UnsupportedOperationException(String.format("Method guessType not implemented for value of type %s", value.getClass()));
}
public TIFFEntry(final int identifier, final Object value) {
this(identifier, guessType(value), value);
}
TIFFEntry(int identifier, short type, Object value) {
super(identifier, value);
this.type = type;
}
@Override
public String getTypeName() {
return TIFF.TYPE_NAMES[type];
IFD = new AbstractDirectory(newIDFData) {};
}
}