/*
 * Copyright (c) 2014-2021 by Wen Yu
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License, v. 2.0 are satisfied: GNU General Public License, version 2
 * or any later version.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
 */

package pixy.io;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author Wen Yu, yuwen_66@yahoo.com
 * @version 1.0 12/27/2012
 */
public interface ReadStrategy {
	//
	public int readInt(byte[] buf, int start_idx);
	public int readInt(InputStream is) throws IOException;
	public long readLong(byte[] buf, int start_idx);
	public long readLong(InputStream is) throws IOException;
	public float readS15Fixed16Number(byte[] buf, int start_idx);
	public float readS15Fixed16Number(InputStream is) throws IOException;
	public short readShort(byte[] buf, int start_idx);
	public short readShort(InputStream is) throws IOException;
	public float readU16Fixed16Number(byte[] buf, int start_idx);
	public float readU16Fixed16Number(InputStream is) throws IOException;
    public float readU8Fixed8Number(byte[] buf, int start_idx);
	public float readU8Fixed8Number(InputStream is) throws IOException;
	public long readUnsignedInt(byte[] buf, int start_idx);
    public long readUnsignedInt(InputStream is) throws IOException;
    public int readUnsignedShort(byte[] buf, int start_idx);
    public int readUnsignedShort(InputStream is) throws IOException;
}