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Various Java 9 and beyond fixes:

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- ExtraSamplesColorModel now overrides getComponentSize for correct size
 - TIFFImageReader/WriterSpi now recognizes the JEP 262 TIFF plugin
 - CCITTFaxEncoderStreamTest now directly creates writer (not JDK one)
This commit is contained in:
Harald Kuhr 2018-10-26 19:43:58 +02:00
parent de34d4642e
commit 7e0de14783
3 changed files with 34 additions and 27 deletions
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22
imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/ExtraSamplesColorModel.java
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@ -54,22 +54,13 @@ final class ExtraSamplesColorModel extends ComponentColorModel {
// still thinks it has numComponents == cs.getNumComponents() + 1 for most operations
private final int numComponents;
private final int componentSize;
ExtraSamplesColorModel(ColorSpace cs, boolean hasAlpha, boolean isAlphaPremultiplied, int dataType, int extraComponents) {
super(cs, bitsArrayHelper(cs, dataType, extraComponents + (hasAlpha ? 1 : 0)), hasAlpha, isAlphaPremultiplied, Transparency.TRANSLUCENT, dataType);
super(cs, hasAlpha, isAlphaPremultiplied, Transparency.TRANSLUCENT, dataType);
Validate.isTrue(extraComponents > 0, "Extra components must be > 0");
this.numComponents = cs.getNumComponents() + (hasAlpha ? 1 : 0) + extraComponents;
}
private static int[] bitsArrayHelper(ColorSpace cs, int dataType, int extraComponents) {
int numBits = getDataTypeSize(dataType);
int numComponents = cs.getNumComponents() + extraComponents;
int[] bits = new int[numComponents];
for (int i = 0; i < numComponents; i++) {
bits[i] = numBits;
}
return bits;
this.componentSize = getDataTypeSize(dataType);
}
@Override
@ -77,6 +68,11 @@ final class ExtraSamplesColorModel extends ComponentColorModel {
return numComponents;
}
@Override
public int getComponentSize(int componentIdx) {
return componentSize;
}
@Override
public boolean isCompatibleSampleModel(SampleModel sm) {
if (!(sm instanceof ComponentSampleModel)) {

19
imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderSpi.java
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@ -40,6 +40,8 @@ import java.io.IOException;
import java.nio.ByteOrder;
import java.util.Locale;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
/**
* TIFFImageReaderSpi
*
@ -51,6 +53,7 @@ public final class TIFFImageReaderSpi extends ImageReaderSpiBase {
/**
* Creates a {@code TIFFImageReaderSpi}.
*/
@SuppressWarnings("WeakerAccess")
public TIFFImageReaderSpi() {
super(new TIFFProviderInfo());
}
@ -58,17 +61,13 @@ public final class TIFFImageReaderSpi extends ImageReaderSpiBase {
@SuppressWarnings("unchecked")
@Override
public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
// Make sure we're ordered before the Apple-provided TIFF reader on OS X
try {
Class<ImageReaderSpi> providerClass = (Class<ImageReaderSpi>) Class.forName("com.sun.imageio.plugins.tiff.TIFFImageReaderSpi");
ImageReaderSpi appleSpi = registry.getServiceProviderByClass(providerClass);
// Make sure we're ordered before the new JEP 262 JRE bundled TIFF plugin
// or the Apple-provided TIFF plugin on OS X (which both happen to have the same class name)...
ImageReaderSpi sunSpi = lookupProviderByName(registry, "com.sun.imageio.plugins.tiff.TIFFImageReaderSpi", ImageReaderSpi.class);
if (appleSpi != null && appleSpi.getVendorName() != null && appleSpi.getVendorName().startsWith("Apple")) {
registry.setOrdering((Class<ImageReaderSpi>) category, this, appleSpi);
}
}
catch (ClassNotFoundException ignore) {
// This is actually OK, now we don't have to do anything
if (sunSpi != null && sunSpi.getVendorName() != null
&& (sunSpi.getVendorName().startsWith("Apple") || sunSpi.getVendorName().startsWith("Oracle"))) {
registry.setOrdering((Class<ImageReaderSpi>) category, this, sunSpi);
}
}

20
imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageWriterSpi.java
View File

@ -33,10 +33,12 @@ package com.twelvemonkeys.imageio.plugins.tiff;
import com.twelvemonkeys.imageio.spi.ImageWriterSpiBase;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.ImageWriter;
import java.io.IOException;
import javax.imageio.spi.ImageWriterSpi;
import javax.imageio.spi.ServiceRegistry;
import java.util.Locale;
import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
/**
* TIFFImageWriterSpi
*
@ -51,15 +53,25 @@ public final class TIFFImageWriterSpi extends ImageWriterSpiBase {
super(new TIFFProviderInfo());
}
@SuppressWarnings("unchecked")
@Override
public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
// Make sure we're ordered before the new JEP 262 JRE bundled TIFF plugin
ImageWriterSpi sunSpi = lookupProviderByName(registry, "com.sun.imageio.plugins.tiff.TIFFImageWriterSpi", ImageWriterSpi.class);
if (sunSpi != null && sunSpi.getVendorName() != null && sunSpi.getVendorName().startsWith("Oracle")) {
registry.setOrdering((Class<ImageWriterSpi>) category, this, sunSpi);
}
}
@Override
public boolean canEncodeImage(final ImageTypeSpecifier type) {
// TODO: Test bit depths compatibility
return true;
}
@Override
public ImageWriter createWriterInstance(final Object extension) throws IOException {
public TIFFImageWriter createWriterInstance(final Object extension) {
return new TIFFImageWriter(this);
}