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#330 Minor improvements to avoid RuntimeExceptions.

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This commit is contained in:
Harald Kuhr 2020-11-17 22:11:31 +01:00
parent d995e7baa0
commit 31cb79d2b9
8 changed files with 91 additions and 61 deletions
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41
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BMPImageReader.java
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@ -30,22 +30,6 @@
package com.twelvemonkeys.imageio.plugins.bmp;
import com.twelvemonkeys.imageio.ImageReaderBase;
import com.twelvemonkeys.imageio.stream.SubImageInputStream;
import com.twelvemonkeys.imageio.util.IIOUtil;
import com.twelvemonkeys.imageio.util.ImageTypeSpecifiers;
import com.twelvemonkeys.imageio.util.ProgressListenerBase;
import com.twelvemonkeys.io.LittleEndianDataInputStream;
import com.twelvemonkeys.io.enc.DecoderStream;
import com.twelvemonkeys.xml.XMLSerializer;
import javax.imageio.*;
import javax.imageio.event.IIOReadUpdateListener;
import javax.imageio.event.IIOReadWarningListener;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import java.awt.*;
import java.awt.color.ColorSpace;
import java.awt.image.*;
@ -56,6 +40,27 @@ import java.nio.ByteOrder;
import java.util.Arrays;
import java.util.Iterator;
import javax.imageio.IIOException;
import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
import javax.imageio.ImageReader;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.event.IIOReadUpdateListener;
import javax.imageio.event.IIOReadWarningListener;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import com.twelvemonkeys.imageio.ImageReaderBase;
import com.twelvemonkeys.imageio.stream.SubImageInputStream;
import com.twelvemonkeys.imageio.util.IIOUtil;
import com.twelvemonkeys.imageio.util.ImageTypeSpecifiers;
import com.twelvemonkeys.imageio.util.ProgressListenerBase;
import com.twelvemonkeys.io.LittleEndianDataInputStream;
import com.twelvemonkeys.io.enc.DecoderStream;
import com.twelvemonkeys.xml.XMLSerializer;
/**
* ImageReader for Microsoft Windows Bitmap (BMP) format.
*
@ -125,6 +130,10 @@ public final class BMPImageReader extends ImageReaderBase {
// Read DIB header
header = DIBHeader.read(imageInput);
if (pixelOffset < header.size + DIB.BMP_FILE_HEADER_SIZE) {
throw new IIOException("Invalid pixel offset: " + pixelOffset);
}
}
}

12
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BitmapDescriptor.java
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@ -29,9 +29,10 @@
*/
package com.twelvemonkeys.imageio.plugins.bmp;
import com.twelvemonkeys.lang.Validate;
import static com.twelvemonkeys.lang.Validate.notNull;
import java.awt.image.BufferedImage;
import java.io.IOException;
/**
* Describes a bitmap structure.
@ -47,14 +48,11 @@ abstract class BitmapDescriptor {
protected BitmapMask mask;
public BitmapDescriptor(final DirectoryEntry pEntry, final DIBHeader pHeader) {
Validate.notNull(pEntry, "entry");
Validate.notNull(pHeader, "header");
entry = pEntry;
header = pHeader;
entry = notNull(pEntry, "entry");;
header = notNull(pHeader, "header");
}
abstract public BufferedImage getImage();
abstract public BufferedImage getImage() throws IOException;
public final int getWidth() {
return entry.getWidth();

1
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BitmapIndexed.java
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@ -163,6 +163,7 @@ class BitmapIndexed extends BitmapDescriptor {
return transparent;
}
@Override
public BufferedImage getImage() {
if (image == null) {
image = createImageIndexed();

1
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BitmapRGB.java
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@ -46,6 +46,7 @@ class BitmapRGB extends BitmapDescriptor {
super(pEntry, pHeader);
}
@Override
public BufferedImage getImage() {
// Test is mask != null rather than hasMask(), as 32 bit (w/alpha)
// might still have bitmask, but we don't read or use it.

12
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BitmapUnsupported.java
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@ -31,6 +31,9 @@
package com.twelvemonkeys.imageio.plugins.bmp;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.IIOException;
/**
* Represents bitmap structures we can't read.
@ -42,13 +45,14 @@ import java.awt.image.BufferedImage;
class BitmapUnsupported extends BitmapDescriptor {
private String message;
public BitmapUnsupported(final DirectoryEntry pEntry, final String pMessage) {
super(pEntry, null);
public BitmapUnsupported(final DirectoryEntry pEntry, DIBHeader header, final String pMessage) {
super(pEntry, header);
message = pMessage;
}
public BufferedImage getImage() {
throw new IllegalStateException(message);
@Override
public BufferedImage getImage() throws IOException {
throw new IIOException(message);
}
}

6
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/DIBHeader.java
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@ -30,11 +30,12 @@
package com.twelvemonkeys.imageio.plugins.bmp;
import javax.imageio.IIOException;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import javax.imageio.IIOException;
/**
* Represents the DIB (Device Independent Bitmap) Information header structure.
*
@ -213,7 +214,7 @@ abstract class DIBHeader {
// NOTE: Unlike all other headers, width and height are unsigned SHORT values (16 bit)!
width = pStream.readUnsignedShort();
height = pStream.readUnsignedShort();
height = pStream.readShort();
if (height < 0) {
height = -height;
@ -240,6 +241,7 @@ abstract class DIBHeader {
* @see <a href="http://www.fileformat.info/format/os2bmp/egff.htm">OS/2 Bitmap File Format Summary</a>
*/
static final class BitmapCoreHeaderV2 extends DIBHeader {
@SuppressWarnings("unused")
protected void read(final int pSize, final DataInput pStream) throws IOException {
if (pSize != DIB.OS2_V2_HEADER_SIZE && pSize != DIB.OS2_V2_HEADER_16_SIZE) {
throw new IIOException(String.format("Size: %s !=: %s", pSize, DIB.OS2_V2_HEADER_SIZE));

34
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/DIBImageReader.java
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@ -30,16 +30,6 @@
package com.twelvemonkeys.imageio.plugins.bmp;
import com.twelvemonkeys.image.ImageUtil;
import com.twelvemonkeys.imageio.ImageReaderBase;
import com.twelvemonkeys.imageio.stream.SubImageInputStream;
import com.twelvemonkeys.imageio.util.ImageTypeSpecifiers;
import com.twelvemonkeys.util.WeakWeakMap;
import javax.imageio.*;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import javax.swing.*;
import java.awt.*;
import java.awt.color.ColorSpace;
import java.awt.event.WindowAdapter;
@ -48,8 +38,26 @@ import java.awt.image.*;
import java.io.File;
import java.io.IOException;
import java.nio.ByteOrder;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.*;
import java.util.Map;
import java.util.WeakHashMap;
import javax.imageio.IIOException;
import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
import javax.imageio.ImageReader;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import javax.swing.*;
import com.twelvemonkeys.image.ImageUtil;
import com.twelvemonkeys.imageio.ImageReaderBase;
import com.twelvemonkeys.imageio.stream.SubImageInputStream;
import com.twelvemonkeys.imageio.util.ImageTypeSpecifiers;
import com.twelvemonkeys.util.WeakWeakMap;
/**
* ImageReader for Microsoft Windows ICO (icon) format.
@ -287,7 +295,7 @@ abstract class DIBImageReader extends ImageReaderBase {
// TODO: Support this, it's already in the BMP reader, spec allows RLE4 and RLE8
if (header.getCompression() != DIB.COMPRESSION_RGB) {
descriptor = new BitmapUnsupported(pEntry, String.format("Unsupported compression: %d", header.getCompression()));
descriptor = new BitmapUnsupported(pEntry, header, String.format("Unsupported compression: %d", header.getCompression()));
}
else {
int bitCount = header.getBitCount();
@ -315,7 +323,7 @@ abstract class DIBImageReader extends ImageReaderBase {
break;
default:
descriptor = new BitmapUnsupported(pEntry, String.format("Unsupported bit count %d", bitCount));
descriptor = new BitmapUnsupported(pEntry, header, String.format("Unsupported bit count %d", bitCount));
}
}

45
imageio/imageio-bmp/src/test/java/com/twelvemonkeys/imageio/plugins/bmp/BMPImageReaderTest.java
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@ -30,20 +30,14 @@
package com.twelvemonkeys.imageio.plugins.bmp;
import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;
import com.twelvemonkeys.xml.XMLSerializer;
import static org.junit.Assert.*;
import static org.junit.Assume.assumeNoException;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.InOrder;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.imageio.*;
import javax.imageio.event.IIOReadProgressListener;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.spi.ImageReaderSpi;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
@ -55,11 +49,24 @@ import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import static org.junit.Assert.*;
import static org.junit.Assume.assumeNoException;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.*;
import javax.imageio.IIOException;
import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
import javax.imageio.ImageReader;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.event.IIOReadProgressListener;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.spi.ImageReaderSpi;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.InOrder;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;
import com.twelvemonkeys.xml.XMLSerializer;
/**
* BMPImageReaderTest
@ -175,7 +182,7 @@ public class BMPImageReaderTest extends ImageReaderAbstractTest<BMPImageReader>
ImageTypeSpecifier rawType = reader.getRawImageType(0);
// As the JPEGImageReader we delegate to returns null for YCbCr, we'll have to do the same
// As the JPEGImageReader we delegate to may return null for YCbCr, we'll have to do the same
if (rawType == null && data.getInput().toString().contains("jpeg")) {
continue;
}