FileDocCategorySizeDatePackage
SubImageInputStream.javaAPI DocJava SE 6 API1615Tue Jun 10 00:21:52 BST 2008com.sun.imageio.plugins.common

SubImageInputStream

public final class SubImageInputStream extends ImageInputStreamImpl
version
0.5

(Omit source code)

Fields Summary
ImageInputStream
stream
long
startingPos
int
startingLength
int
length
Constructors Summary
public SubImageInputStream(ImageInputStream stream, int length)

        this.stream = stream;
        this.startingPos = stream.getStreamPosition();
        this.startingLength = this.length = length;
Methods Summary
protected voidfinalize()

        // Empty finalizer (for improved performance; no need to call
        // super.finalize() in this case)
public longlength()

        return startingLength;
public intread()

        if (length == 0) { // Local EOF
            return -1;
        } else {
            --length;
            return stream.read();
        }
public intread(byte[] b, int off, int len)

        if (length == 0) { // Local EOF
            return -1;
        }

        len = Math.min(len, length);
        int bytes = stream.read(b, off, len);
        length -= bytes;
        return bytes;
public voidseek(long pos)

        stream.seek(pos - startingPos);
        streamPos = pos;