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-rw-r--r--libjava/classpath/gnu/java/awt/image/ImageDecoder.java32
1 files changed, 32 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/awt/image/ImageDecoder.java b/libjava/classpath/gnu/java/awt/image/ImageDecoder.java
index 141c8541794..8e8eecb2599 100644
--- a/libjava/classpath/gnu/java/awt/image/ImageDecoder.java
+++ b/libjava/classpath/gnu/java/awt/image/ImageDecoder.java
@@ -40,6 +40,8 @@ package gnu.java.awt.image;
import java.awt.image.ImageConsumer;
import java.awt.image.ImageProducer;
import java.io.ByteArrayInputStream;
+import java.io.DataInput;
+import java.io.EOFException;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
@@ -55,6 +57,7 @@ public abstract class ImageDecoder implements ImageProducer
int offset;
int length;
InputStream input;
+ DataInput datainput;
static
{
@@ -79,6 +82,11 @@ public abstract class ImageDecoder implements ImageProducer
this.input = is;
}
+ public ImageDecoder (DataInput datainput)
+ {
+ this.datainput = datainput;
+ }
+
public ImageDecoder (byte[] imagedata, int imageoffset, int imagelength)
{
data = imagedata;
@@ -119,6 +127,8 @@ public abstract class ImageDecoder implements ImageProducer
{
if (url != null)
input = url.openStream();
+ else if (datainput != null)
+ input = new DataInputStreamWrapper(datainput);
else
{
if (filename != null)
@@ -153,4 +163,26 @@ public abstract class ImageDecoder implements ImageProducer
}
public abstract void produce (Vector v, InputStream is) throws IOException;
+
+ private static class DataInputStreamWrapper extends InputStream
+ {
+ private final DataInput datainput;
+
+ DataInputStreamWrapper(DataInput datainput)
+ {
+ this.datainput = datainput;
+ }
+
+ public int read() throws IOException
+ {
+ try
+ {
+ return datainput.readByte() & 0xFF;
+ }
+ catch (EOFException eofe)
+ {
+ return -1;
+ }
+ }
+ }
}
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