ImageSource.java

// Copyright 2009 Google Inc.
//
// 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 com.google.android.stardroid.source;

import android.graphics.Bitmap;

/**
 * This source corresponds to an image to be drawn at a specific point on the
 * sky by the renderer.
 * 
 * @author Brent Bryan
 */
public interface ImageSource extends PositionSource {

  /**
   * Returns the image to be displayed at the specified point.
   */
  public Bitmap getImage();

  // TODO(brent): talk to James to determine what's really needed here.
  
  public float[] getVerticalCorner();
  
  public float[] getHorizontalCorner();
  
  public boolean requiresBlending();
}