#292 Preparing for Java 9 compatibility + general clean-up

This commit is contained in:
Harald Kuhr 2016-11-15 21:40:59 +01:00
parent 37e6d31ed9
commit ab13084f44
19 changed files with 89 additions and 154 deletions

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@ -39,6 +39,7 @@ import java.io.IOException;
import java.util.Locale;
import static com.twelvemonkeys.imageio.plugins.svg.SVGProviderInfo.SVG_READER_AVAILABLE;
import static com.twelvemonkeys.imageio.util.IIOUtil.*;
/**
* SVGImageReaderSpi
@ -175,7 +176,7 @@ public final class SVGImageReaderSpi extends ImageReaderSpiBase {
t.printStackTrace();
}
IIOUtil.deregisterProvider(registry, this, category);
deregisterProvider(registry, this, category);
}
}
}

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@ -55,7 +55,7 @@ import java.util.Iterator;
*/
// TODO: Probably possible to do less wrapping/unwrapping of data...
// TODO: Consider using temp file instead of in-memory stream
public class WMFImageReader extends ImageReaderBase {
public final class WMFImageReader extends ImageReaderBase {
private SVGImageReader reader = null;

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@ -29,6 +29,7 @@
package com.twelvemonkeys.imageio.plugins.bmp;
import com.twelvemonkeys.imageio.spi.ImageReaderSpiBase;
import com.twelvemonkeys.imageio.util.IIOUtil;
import javax.imageio.ImageReader;
import javax.imageio.spi.ImageReaderSpi;
@ -37,9 +38,10 @@ import javax.imageio.stream.ImageInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.Iterator;
import java.util.Locale;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
/**
* BMPImageReaderSpi
*
@ -51,24 +53,10 @@ public final class BMPImageReaderSpi extends ImageReaderSpiBase {
super(new BMPProviderInfo());
}
static ImageReaderSpi lookupDefaultProvider(final ServiceRegistry registry) {
Iterator<ImageReaderSpi> providers = registry.getServiceProviders(ImageReaderSpi.class, true);
while (providers.hasNext()) {
ImageReaderSpi provider = providers.next();
if (provider.getClass().getName().equals("com.sun.imageio.plugins.bmp.BMPImageReaderSpi")) {
return provider;
}
}
return null;
}
@SuppressWarnings("unchecked")
@Override
public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
ImageReaderSpi defaultProvider = lookupDefaultProvider(registry);
ImageReaderSpi defaultProvider = lookupProviderByName(registry, "com.sun.imageio.plugins.bmp.BMPImageReaderSpi");
if (defaultProvider != null) {
// Order before com.sun provider, to aid ImageIO in selecting our reader

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@ -28,7 +28,6 @@
package com.twelvemonkeys.imageio.util;
import com.twelvemonkeys.image.ImageUtil;
import com.twelvemonkeys.imageio.spi.ProviderInfo;
import javax.imageio.IIOParam;
import javax.imageio.ImageIO;
@ -155,28 +154,32 @@ public final class IIOUtil {
}
/**
* Creates a {@link ProviderInfo} instance for the given service provider.
* THIS METHOD WILL ME MOVED/RENAMED, DO NOT USE.
*
* @param pProviderClass the provider class to get info for.
* @return the newly created {@link ProviderInfo}.
* @param registry the registry to unregister from.
* @param provider the provider to unregister.
* @param category the category to unregister from.
*/
public static ProviderInfo getProviderInfo(final Class<? extends IIOServiceProvider> pProviderClass) {
return new ProviderInfo(pProviderClass.getPackage());
public static <T> void deregisterProvider(final ServiceRegistry registry, final IIOServiceProvider provider, final Class<T> category) {
// http://www.ibm.com/developerworks/java/library/j-jtp04298.html
registry.deregisterServiceProvider(category.cast(provider), category);
}
/**
* THIS METHOD WILL ME MOVED/RENAMED, DO NOT USE.
*
* @param pRegistry the registry to unregister from
* @param pProvider the provider to unregister
* @param pCategory the category to unregister from
* @param registry the registry to lookup from.
* @param providerClassName name of the provider class.
*
* @deprecated
* @return the provider instance, or {@code null}.
*/
public static <T> void deregisterProvider(final ServiceRegistry pRegistry, final IIOServiceProvider pProvider, final Class<T> pCategory) {
// http://www.ibm.com/developerworks/java/library/j-jtp04298.html
// TODO: Consider placing this method in a ImageReaderSpiBase class or similar
pRegistry.deregisterServiceProvider(pCategory.cast(pProvider), pCategory);
public static <T> T lookupProviderByName(final ServiceRegistry registry, final String providerClassName) {
try {
return (T) registry.getServiceProviderByClass(Class.forName(providerClassName));
}
catch (ClassNotFoundException ignore) {
return null;
}
}
/**
@ -202,7 +205,7 @@ public final class IIOUtil {
}
private static String[] normalizeNames(final String[] names) {
SortedSet<String> normalizedNames = new TreeSet<String>();
SortedSet<String> normalizedNames = new TreeSet<>();
for (String name : names) {
normalizedNames.add(name.toUpperCase());

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@ -42,7 +42,7 @@ import java.util.Locale;
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @version $Id: IFFImageWriterSpi.java,v 1.0 28.feb.2006 19:21:05 haku Exp$
*/
public class IFFImageReaderSpi extends ImageReaderSpiBase {
public final class IFFImageReaderSpi extends ImageReaderSpiBase {
/**
* Creates an {@code IFFImageReaderSpi}.

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@ -98,7 +98,7 @@ import java.util.List;
* @author last modified by $Author: haraldk$
* @version $Id: JPEGImageReader.java,v 1.0 24.01.11 16.37 haraldk Exp$
*/
public class JPEGImageReader extends ImageReaderBase {
public final class JPEGImageReader extends ImageReaderBase {
// TODO: Allow automatic rotation based on EXIF rotation field?
// TODO: Create a simplified native metadata format that is closer to the actual JPEG stream AND supports EXIF in a sensible way
// TODO: As we already parse the SOF segments, maybe we should stop delegating getWidth/getHeight etc?

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@ -41,6 +41,8 @@ import java.io.IOException;
import java.util.Iterator;
import java.util.Locale;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
/**
* JPEGImageReaderSpi
*
@ -48,7 +50,7 @@ import java.util.Locale;
* @author last modified by $Author: haraldk$
* @version $Id: JPEGImageReaderSpi.java,v 1.0 24.01.11 22.12 haraldk Exp$
*/
public class JPEGImageReaderSpi extends ImageReaderSpiBase {
public final class JPEGImageReaderSpi extends ImageReaderSpiBase {
protected ImageReaderSpi delegateProvider;
/**
@ -64,41 +66,22 @@ public class JPEGImageReaderSpi extends ImageReaderSpiBase {
*
* @param delegateProvider a {@code ImageReaderSpi} that can read JPEG.
*/
protected JPEGImageReaderSpi(final ImageReaderSpi delegateProvider) {
JPEGImageReaderSpi(final ImageReaderSpi delegateProvider) {
this();
this.delegateProvider = Validate.notNull(delegateProvider);
}
/**
* Constructor for subclasses.
*
* @param info
*/
protected JPEGImageReaderSpi(final ReaderWriterProviderInfo info) {
private JPEGImageReaderSpi(final ReaderWriterProviderInfo info) {
super(info);
}
static ImageReaderSpi lookupDelegateProvider(final ServiceRegistry registry) {
Iterator<ImageReaderSpi> providers = registry.getServiceProviders(ImageReaderSpi.class, true);
while (providers.hasNext()) {
ImageReaderSpi provider = providers.next();
if (provider.getClass().getName().equals("com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi")) {
return provider;
}
}
return null;
}
@SuppressWarnings({"unchecked", "deprecation"})
@Override
public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
if (delegateProvider == null) {
// Install delegate now
delegateProvider = lookupDelegateProvider(registry);
delegateProvider = lookupProviderByName(registry, "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
}
if (delegateProvider != null) {

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@ -52,7 +52,7 @@ import java.util.Locale;
* @author last modified by $Author: haraldk$
* @version $Id: JPEGImageWriter.java,v 1.0 06.02.12 16:39 haraldk Exp$
*/
public class JPEGImageWriter extends ImageWriterBase {
public final class JPEGImageWriter extends ImageWriterBase {
// TODO: Extend with functionality to be able to write CMYK JPEGs as well?
/** Our JPEG writing delegate */

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@ -42,6 +42,8 @@ import java.io.IOException;
import java.util.Iterator;
import java.util.Locale;
import static com.twelvemonkeys.imageio.util.IIOUtil.*;
/**
* JPEGImageWriterSpi
*
@ -71,26 +73,12 @@ public class JPEGImageWriterSpi extends ImageWriterSpiBase {
this.delegateProvider = Validate.notNull(delegateProvider);
}
static ImageWriterSpi lookupDelegateProvider(final ServiceRegistry registry) {
Iterator<ImageWriterSpi> providers = registry.getServiceProviders(ImageWriterSpi.class, true);
while (providers.hasNext()) {
ImageWriterSpi provider = providers.next();
if (provider.getClass().getName().equals("com.sun.imageio.plugins.jpeg.JPEGImageWriterSpi")) {
return provider;
}
}
return null;
}
@SuppressWarnings({"unchecked"})
@Override
public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
if (delegateProvider == null) {
// Install delegate now
delegateProvider = lookupDelegateProvider(registry);
delegateProvider = lookupProviderByName(registry, "com.sun.imageio.plugins.jpeg.JPEGImageWriterSpi");
}
if (delegateProvider != null) {
@ -99,7 +87,7 @@ public class JPEGImageWriterSpi extends ImageWriterSpiBase {
}
else {
// Or, if no delegate is found, silently deregister from the registry
IIOUtil.deregisterProvider(registry, this, category);
deregisterProvider(registry, this, category);
}
}

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@ -15,6 +15,7 @@ import javax.imageio.stream.ImageInputStream;
import java.util.Arrays;
import java.util.List;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@ -32,10 +33,10 @@ public class JPEGImage10MetadataCleanerTest {
ImageIO.setUseCache(false);
}
protected static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
private static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
protected static ImageReaderSpi lookupDelegateProvider() {
return JPEGImageReaderSpi.lookupDelegateProvider(IIORegistry.getDefaultInstance());
private static ImageReaderSpi lookupDelegateProvider() {
return lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
}
// Unit/regression test for #276

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@ -58,6 +58,7 @@ import java.io.IOException;
import java.util.*;
import java.util.List;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
import static org.junit.Assert.*;
import static org.junit.Assume.assumeNoException;
import static org.junit.Assume.assumeNotNull;
@ -74,10 +75,10 @@ import static org.mockito.Mockito.*;
*/
public class JPEGImageReaderTest extends ImageReaderAbstractTest<JPEGImageReader> {
protected static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
private static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
protected static ImageReaderSpi lookupDelegateProvider() {
return JPEGImageReaderSpi.lookupDelegateProvider(IIORegistry.getDefaultInstance());
private static ImageReaderSpi lookupDelegateProvider() {
return lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
}
@Override

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@ -28,6 +28,7 @@
package com.twelvemonkeys.imageio.plugins.jpeg;
import com.twelvemonkeys.imageio.util.IIOUtil;
import com.twelvemonkeys.imageio.util.ImageWriterAbstractTestCase;
import javax.imageio.ImageWriter;
@ -51,7 +52,7 @@ public class JPEGImageWriterTest extends ImageWriterAbstractTestCase {
private static final JPEGImageWriterSpi SPI = new JPEGImageWriterSpi(lookupDelegateProvider());
private static ImageWriterSpi lookupDelegateProvider() {
return JPEGImageWriterSpi.lookupDelegateProvider(IIORegistry.getDefaultInstance());
return IIOUtil.lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageWriterSpi");
}
@Override

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@ -102,7 +102,7 @@ import java.util.List;
* @todo Some MAJOR clean up
* @todo As we now have Graphics2D with more options, support more of the format?
*/
public class PICTImageReader extends ImageReaderBase {
public final class PICTImageReader extends ImageReaderBase {
final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.plugins.pict.debug"));

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@ -15,6 +15,7 @@ import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
import static org.junit.Assume.assumeNoException;
/**
@ -27,18 +28,7 @@ import static org.junit.Assume.assumeNoException;
public class JPEGImageReaderTest extends ImageReaderAbstractTest {
private static final boolean IS_JAVA_6_OR_LATER = SystemUtil.isClassAvailable("java.util.Deque");
protected final ImageReaderSpi provider = lookupSpi();
private ImageReaderSpi lookupSpi() {
try {
return (ImageReaderSpi) IIORegistry.getDefaultInstance().getServiceProviderByClass(Class.forName("com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi"));
}
catch (ClassNotFoundException e) {
assumeNoException(e);
}
return null;
}
private final ImageReaderSpi provider = lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
@Override
protected List<TestData> getTestData() {

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@ -1,5 +1,6 @@
package com.twelvemonkeys.imageio.reference;
import com.twelvemonkeys.imageio.util.IIOUtil;
import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;
import org.junit.Test;
@ -23,18 +24,7 @@ import static org.junit.Assume.assumeNoException;
* @version $Id: PNGImageReaderTest.java,v 1.0 Oct 9, 2009 3:37:25 PM haraldk Exp$
*/
public class PNGImageReaderTest extends ImageReaderAbstractTest {
protected final ImageReaderSpi provider = lookupSpi();
private ImageReaderSpi lookupSpi() {
try {
return (ImageReaderSpi) IIORegistry.getDefaultInstance().getServiceProviderByClass(Class.forName("com.sun.imageio.plugins.png.PNGImageReaderSpi"));
}
catch (ClassNotFoundException e) {
assumeNoException(e);
}
return null;
}
private final ImageReaderSpi provider = IIOUtil.lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.png.PNGImageReaderSpi");
@Override
protected List<TestData> getTestData() {

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@ -29,6 +29,7 @@
package com.twelvemonkeys.imageio.plugins.thumbsdb;
import com.twelvemonkeys.imageio.spi.ImageReaderSpiBase;
import com.twelvemonkeys.imageio.util.IIOUtil;
import com.twelvemonkeys.io.ole2.CompoundDocument;
import javax.imageio.ImageReader;
@ -40,6 +41,8 @@ import java.io.IOException;
import java.util.Iterator;
import java.util.Locale;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
/**
* ThumbsDBImageReaderSpi
* <p/>
@ -75,32 +78,21 @@ public final class ThumbsDBImageReaderSpi extends ImageReaderSpiBase {
private void maybeInitJPEGProvider() {
// NOTE: Can't do this from constructor, as ImageIO itself is not initialized yet,
// and the lookup below will produce a NPE..
// TODO: A better approach...
// - Could have a list with known working JPEG decoders?
// - System property?
// - Class path lookup of properties file with reader?
// This way we could deregister immediately
if (jpegProvider == null) {
ImageReaderSpi provider = null;
try {
Iterator<ImageReaderSpi> providers = getJPEGProviders();
// Prefer the one we know
ImageReaderSpi provider = lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
while (providers.hasNext()) {
provider = providers.next();
// Prefer the one we know
if ("Sun Microsystems, Inc.".equals(provider.getVendorName())) {
break;
}
if (provider == null) {
try {
provider = getJPEGProviders().next();
}
catch (Exception ignore) {
// It's pretty safe to assume there's always a JPEG reader out there
// In any case, we deregister the provider if there isn't one
IIORegistry.getDefaultInstance().deregisterServiceProvider(this, ImageReaderSpi.class);
}
}
catch (Exception ignore) {
// It's pretty safe to assume there's always a JPEG reader out there
// In any case, we deregister the provider if there isn't one
IIORegistry.getDefaultInstance().deregisterServiceProvider(this, ImageReaderSpi.class);
}
jpegProvider = provider;
}
}

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@ -79,6 +79,9 @@ import java.util.*;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
import static com.twelvemonkeys.imageio.util.IIOUtil.*;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
/**
* ImageReader implementation for Aldus/Adobe Tagged Image File Format (TIFF).
* <p/>
@ -116,7 +119,7 @@ import java.util.zip.InflaterInputStream;
* @author last modified by $Author: haraldk$
* @version $Id: TIFFImageReader.java,v 1.0 08.05.12 15:14 haraldk Exp$
*/
public class TIFFImageReader extends ImageReaderBase {
public final class TIFFImageReader extends ImageReaderBase {
// TODOs ImageIO basic functionality:
// TODO: Thumbnail support
@ -909,8 +912,8 @@ public class TIFFImageReader extends ImageReaderBase {
}
else {
InputStream adapter = stripTileByteCounts != null
? IIOUtil.createStreamAdapter(imageInput, stripTileByteCounts[i])
: IIOUtil.createStreamAdapter(imageInput);
? createStreamAdapter(imageInput, stripTileByteCounts[i])
: createStreamAdapter(imageInput);
adapter = createDecompressorStream(compression, stripTileWidth, numBands, adapter);
adapter = createUnpredictorStream(predictor, stripTileWidth, numBands, getBitsPerSample(), adapter, imageInput.getByteOrder());
@ -1247,7 +1250,7 @@ public class TIFFImageReader extends ImageReaderBase {
try (ImageInputStream stream = ImageIO.createImageInputStream(new SequenceInputStream(Collections.enumeration(
Arrays.asList(
createJFIFStream(destRaster.getNumBands(), stripTileWidth, stripTileHeight, qTables, dcTables, acTables),
IIOUtil.createStreamAdapter(imageInput, stripTileByteCounts != null
createStreamAdapter(imageInput, stripTileByteCounts != null
? (int) stripTileByteCounts[i]
: Short.MAX_VALUE),
new ByteArrayInputStream(new byte[] {(byte) 0xff, (byte) 0xd9}) // EOI
@ -1361,19 +1364,18 @@ public class TIFFImageReader extends ImageReaderBase {
return false;
}
private ImageReader createJPEGDelegate() throws IIOException {
private ImageReader createJPEGDelegate() throws IOException {
// TIFF is strictly ISO JPEG, so we should probably stick to the standard reader
try {
@SuppressWarnings("unchecked")
Class<ImageReader> readerClass = (Class<ImageReader>) Class.forName("com.sun.imageio.plugins.jpeg.JPEGImageReader");
Constructor<ImageReader> constructor = readerClass.getConstructor(ImageReaderSpi.class);
return constructor.newInstance(getOriginatingProvider());
ImageReaderSpi jpegProvider = lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
if (jpegProvider != null) {
return jpegProvider.createReaderInstance();
}
catch (ClassNotFoundException | NoSuchMethodException | InvocationTargetException | InstantiationException | IllegalAccessException ignore) {
if (DEBUG) {
ignore.printStackTrace();
}
// Fall back to default reader below
// Fall back to default reader below
if (DEBUG) {
System.err.println("Could not create " + "com.sun.imageio.plugins.jpeg.JPEGImageReader"
+ ", falling back to default JPEG capable ImageReader");
}
// If we can't get the standard reader, fall back to the default (first) reader
@ -2286,15 +2288,10 @@ public class TIFFImageReader extends ImageReaderBase {
private static void deregisterOSXTIFFImageReaderSpi() {
IIORegistry registry = IIORegistry.getDefaultInstance();
Iterator<ImageReaderSpi> providers = registry.getServiceProviders(ImageReaderSpi.class, new ServiceRegistry.Filter() {
public boolean filter(Object provider) {
return provider.getClass().getName().equals("com.sun.imageio.plugins.tiff.TIFFImageReaderSpi");
}
}, false);
ImageReaderSpi provider = lookupProviderByName(registry, "com.sun.imageio.plugins.tiff.TIFFImageReaderSpi");
while (providers.hasNext()) {
ImageReaderSpi next = providers.next();
registry.deregisterServiceProvider(next);
if (provider != null) {
registry.deregisterServiceProvider(provider);
}
}
}

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@ -45,7 +45,7 @@ import java.util.Locale;
* @author last modified by $Author: haraldk$
* @version $Id: TIFFImageReaderSpi.java,v 1.0 08.05.12 15:14 haraldk Exp$
*/
public class TIFFImageReaderSpi extends ImageReaderSpiBase {
public final class TIFFImageReaderSpi extends ImageReaderSpiBase {
/**
* Creates a {@code TIFFImageReaderSpi}.
*/

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@ -99,7 +99,7 @@ public final class TIFFImageWriter extends ImageWriterBase {
// Use sensible defaults for compression based on input? None is sensible... :-)
// Support resolution, resolution unit and software tags from ImageIO metadata
public static final Rational STANDARD_DPI = new Rational(72);
private static final Rational STANDARD_DPI = new Rational(72);
/**
* Flag for active sequence writing