HasArrayBufferView.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file of playn-html.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package playn.html;

import com.google.gwt.typedarrays.shared.ArrayBufferView;



/** 
 * This class allows us to get direct access to the typed array used by the 
 * nio buffer emulation in GWT. All nio buffer types implement this
 * interfaces in GWT mode. This can be used only in HTML-platform 
 * specific code.
 */
public interface HasArrayBufferView {
    /**
     * Returns the underlying typed array buffer view.
     */
    public ArrayBufferView getTypedArray ();

    /**
     * Returns the element size in bytes (e.g. 4 for a FloatBuffer and
     * 1 for a ByteBuffer).
     */
    int getElementSize ();
    
    /** 
     * Returns the open GL element type constant corresponding to the buffer
     * contents.
     */
    int getElementType();
}